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HomeMy WebLinkAbout15-64W, 19-56W Evergreen Walk Unit 12 IWA .F TOWN OF SOUTH WINDSOR $O"�r'� DSAGEY c04 o INLAND WETLANDS, WATERCOURSES AND CONSERVATION APPLICATION Application#T� � Date Received ' �Lq G� INSTRUCTIONS 1. Fifteen applications (15) with map and plans (2 copies) shall be submitted together with the fee set forth in the Inland Wetlands, Watercourses and Conservation Regulations, Town of South Windsor. (See Regulations, Section VII—X) 2. The South Windsor Inland Wetlands, Watercourses and Conservation Regulations should be reviewed with respect to the standards and criteria for application Evaluation. (See Regulations, Sections VII—X) 3. The applicant understands that this application is to be considered complete only when all information and documents required by the Agency have been submitted. The applicant shall also complete the state filing form. A. Applicant's Name: Evergreen Walk, LLC Address: Attn. John Finguerra, 1109 Rose Lane, Virginia Beach, VA 23451 Phone: (home) (work) 7 5 7-4 2 2-5 5 6 6 (fax) B. Legal owner's name: Evergreen Walk, LLC Address Attn. John Finguerra, 1109 Rose Lane, Virginia Beach, VA 23451 Phone(home) (work) 7 5 7-4 2 2-5 5 6 6 (fax) (List additional owners, addresses, and phone numbers on back of application) C. If the applicant is not the owner of the subject property; a letter by the owner(s) authorizing the proposed regulated activity set forth in the application must accompany this form and will be part of the application. D. Project Name and Location Evergreen Walk Unit 12, Buckland Road, South Windsor, CT 1. Contact Person(if further information is needed) Robert Sonnichsen, PE (work) 203-453-4386 (fax) 203-453-2764 rsonnichsen@gmail .com E. The geographical location of the property which is to be affected by the proposed regulated activities including a description of the land in sufficient detail to allow identification of the property on the Inland Wetland and Watercourse Map. Assessor's map# 15 3 Parcel# 00151 Zone GD 151 Buckland Road 7 4 F. Names of all abutting property owners from records in Town Clerk's office. (use separate sheet if necessary) G. Have you notified all abutting property owners (from records in Town Clerk's office) by certified letter that an application is pending before the Agency? ** (you are required to supply a copy of the letter with the list of the names of the abutters).** H. Purpose and description of all proposed regulated activity(s) including amount of disturbance in square feet and types of fill and the time element involved: The applicant proposes to fill 6, 255 sf of wetland and impact +/-98, 000 sf of upland review area to provide parking, driveways, retaining walls, and related infrastructure including stormwater measures, and other utilities to support a proposed +/-150, 000 sf retail building as shown on the plans and described in reports that accompany this ap iication. elean gravel f ill will be used in all cases . Mitigation of +/- 150 if of scoured watercourse channel downstream of the wetland fill and +/- 100 if of scoured watercourse channel down gradient of a proposed roadway crossing near the southern limit of the project are proposed. Construction work in wetland and watercourse areas will be conducted over I. A class A-2 map of the property drawn to F'=40', showing the area to be developed, extent of the wetlands and watercourses affected, topography, existing and proposed activities and names and locations of adjacent property owners must be submitted. a 2 - 3 week period during non-winter months. J. Amount of regulated area disturbance and types of fill (including wetlands and 80 foot Upland Review Area).0 .14 ac. of wetland and 2 .24 ac. of 80 foot upland review area. Clean gravel fill will be used in all cases. K. Acreage of wetlands and watercourses in regulated areas to be altered: wetland: o .14 ac. L. Acreage of wetlands and watercourses to be created: 0 (Mitigation is proposed. ) M. Lineal feet of proposed stream alteration:+/- 110 if of alteration; +/- 250 if (150 + 100) of mitigation N. Total land area of project and percentage,which is wetlands: The total project is approximately 500, 000 square feet in area. The percentage of wetlands is 1.2 o The overall project will require between 6 and 12 months for construction. O. Identify all other permits or approvals that have been issued, applied for, or required with respect to the proposed activity set forth in this application. (These may include but not be limited to, local Planning & Zoning, Zoning Board of Appeals, D.E.P., F.E.M.A., D.O.T., The Army Corps of Engineers, and any other State,Local or Federal Permits.) Army Corps of Engineers Permit Number 2003-01538 P. The applicant (or designated representative) hereby attests that a sign will be posted at the following location(s) Frontage on Buckland Road and at Deming Street. By Name John Finguerra on or before the following date 8 haw Signature: x �u These signs must be displayed continuously for at least ten (10) days prior to scheduled meeting (see Regulations, Section 7.3a) The undersigned hereby applies i-or the regulated activities listed in paragraph H above, for an Inland Wetlands, Watercourses and Conservation permit for the property described herein and confirms that: 1. She/he is familiar with the currently effective Inland Wetlands, Watercourses and Conservation Regulations of the Town of South Windsor. 2. She/he understands that at any time during the review- period, the Agency may require the applicant to provide more information about the wetlands and/or watercourses in question and/or any proposed activity. 3, All information submitted in the application for review shall be considered factual, or in the case of anticipated activity,binding. A knowing failure of the applicant or any of her/his agents to provide correct information, or performance exceeding the levels of activity anticipated, shall be sufficient grounds for revocation of any permit under these regulations. 4. By making this application, the applicant gives permission to the Inland Wetlands, Watercourses and Conservation Commission members and/or its representative to enter the portions of the premises which are subject of the application for the purpose of inspection and investigation and otherwise evaluating the merits of the applicatio b h before and after a final decision has been issued. x Signature of ow r Alr �' Date x 12/11/15 x Signature of Applicant Date 1 / t 1 J!2/q a 5 /a I 9 T C USGS Topographic Map Detail, Manchester CT, 2015 , R pprox Location 4foVYI Proposed Activity Q : , Mrs r' I Y N r I , i S chi B � fi MITH ST DH 44 S DR I /17 Connecticut Department of GIS CODE#: For DEEP Use Only ENERGY & ENVIRONMENTAL PROTECTION 79 Elm Street• Hartford,CT 06106-5127 www.ct.gov/deep Affirmative Action/Equal Opportunity Employer Statewide Inland Wetlands & Watercourses Activity Reporting Form Please complete and mail this form in accordance with the instructions on pages 2 and 3 to: Wetlands Management Section, Inland Water Resources Division, CT DEEP, 79 Elm Street—P Floor, Hartford, CT 06106 PART I: To Be completed By the Municipal Inland Wetlands Agency Only 1. DATE ACTION WAS TAKEN: Year Click Here for Year Month Click Here for Month 2. ACTION TAKEN: Click Here to Choose a Code 3. WAS A PUBLIC HEARING HELD(check one)? Yes ❑ No ❑ 4. _ NAME OF AGENCY OFFICIAL VERIFYING AND COMPLETING THIS FORM: (type name) (signature) PART 11: To Be Completed By'the Municipal Inland Wetlands Agency or the Applicant 5. TOWN IN WHICH THE ACTION IS OCCURRING(type name): South Windsor Does this project cross municipal'boundaries(check one)? Yes ❑ No If Yes, list the other town(s)in which the action is occurring (type name(s)); , 6. LOCATION (click on hyperlinks for information): USGS Quad Map Name: Manchester, CT 2015 or Quad Number: 38 Subregional Drainage Basin Number: 400401 7. ..;NAME OF APPLICANT,VIOLATOR OR PETITIONER(type name): Evergreen Walk,LLC 8. NAME&ADDRESS/LOCATION OF PROJECT SITE(type information): 151 Buckland Road Briefly describe the action/projectlactivity(check and type information): Temporary ❑ Permanent 0 Description: filling wetland 9. ACTIVITY PURPOSE CODE: D 10. ACTIVITY TYPECODE(S): 1, 2, 9, 10 11. WETLAND[WATERCOURSE AREA ALTERED(type in acres or linear feet as indicated): Wetlands: 0.14 acres Open Water Body: 000 acres Stream: 110.00 ,linear feet 12. UP::LAND AREA ALTERED(type in acres as indicated): 214 acres 13. AREA OF WETLANDS]WATERCOURSES RESTORED, ENHANCED,OR CREATED(type in acres as indicated): 1.00+ acres Lw DATE RECEIVED: PART Ill: To Be completed By the DEEP DATE RETURNED TO DEEP: FORM COMPLETED: YES N0 FORM CORRECTED/COMPLETED: YES NO 4 RFV 3/9013 lateral Drainagei Basins, south Windsor, CT Detail May 2011 , CT DEEP , P et7 PQf1Cl ,tJi?1tor1_r,",9r;1paild' � Farm 8 ok r� - 4004-02 y Tular Hill Plum Gulley .r ., Btok ,r,,. 4004 01 Y l� wet x 500;r 1 0 Vlfrapl es.8t ok 4 044 / UfNOt,P6i1 � r ,, 4 � ,/ 1 t, Wetland Report Evergreen Walk South Windsor CT Prepared for:Evergreen Walk L.L.C. Prepared by: CIA Engineers CLA 317 Main Street Norwich,CT,06360 860-886-1966 December 15, 2015 i Introduction CLA has investigated the inland wetlands and watercourse (delineated by others) shown on plans prepared by BL Companies titled "Proposed Development, Evergreen Walk, South Windsor, CT" submitted to the Inland Wetlands Agency on December 15, 2015. This report documents the wetland and soil types found at the site. This report also describes the existing site conditions and wetland resource values present and provides a context for evaluating the impacts from the retail development plans at the site prepared by BL Companies. This report specifically examines two areas of direct wetland/watercourse impact that are proposed. The first is more northerly and includes filling a narrow intermittent watercourse/wetland that receives piped storm water drainage. The second,which is near the southern limits of the project,is a roadway crossing of an intermittent watercourse. Both of the proposed areas of impact were previously approved by the USACOE and CTDEEP under Category 11 PGP number: 2003-01538 during the planning process for the Evergreen Walk development. ExistinLy Conditions As shown on the plan coversheet,the site is located in the north central section of Evergreen Walk,in South Windsor, CT. It is currently predominantly inactive agricultural land within an established retail shopping and office/commercial development. The site has open fields that have been mowed annually, tobacco barns, and a manmade storm water basin. The lands surrounding north, east, and south sides of the site have been developed for retail and commercial use while the westem side has both wooded upland and wooded wetland. The topography generally slopes downward gently to the west and surface water flow follows this pattern. The topography around the two watercourses slopes down steeply into the watercourse in the form of gullies that are typically over six feet deep. Past erosion was noted around each watercourse. The northern watercourse has a dense border of vegetation including multiflora rose(Rosa multi flora), sumacs (Rhus spp.) and weed species such as golden rod (Solidago spp.) and Queen Anne's lace 0 Page 2 i (Daucus carota). Within the watercourse, Red maples (aver rubrum) are the dominant tree while multiflora rose is mixed with spice bush(Lindera benzoin)in the shrub layer. This is a limited subset of the typical vegetation of the large down gradient wetland system which is included in Appendix A. The southern watercourse is surrounded by upland forest consisting predominantly of oaks (Quercus spp.) beeches (Fergus graandifolia) and maples(Ater spp). Within the watercourse, red maples are the dominant tree while multiflora rose is mixed with spice bush in the shrub layer. Sections of the channel have been stabilized through past installation of stone gabions. As part of previous local, federal and state permitting processes, conservation areas and areas for development have been designated. During that process,both a narrow finger of wetland and a portion of a water course, shown on the project plans,were identified as being acceptable to impact for site development. The northern finger of regulated area that CTDEEP and USACOE indicated could be impacted is a watercourse that is formed from the discharge of a reinforced concrete pipe(RCP). This watercourse has been incised by erosion and has been used for dumping of bulky waste. Its functions are very limited and it serves mostly to conduct water to the larger wetland system down gradient. The water discharged at this location apparently originates to the east, from LA Fitness and Buckland Road. This functional assessment describes the limited functions served by that wetland as a context for developing a mitigation plan of measures to be taken to benefit remaining down gradient wetlands. Wetland and Soil Types Robert Russo, C.S.S. and Rob Sonnichsen P.E. Of Waldo and Associates LLC investigated the . wetlands on four separate occasions in 2014 and 2015 to obtain an understanding of the vegetation hydrology and soils at the site and gather information for this assessment. The table below provides information regarding the soils mapped byNRCS and described in further detail in Appendix B,Soils. 0 Page 3 f l Table 1—Wetland Soil Types and Wetland Cover Types Location Soils Wetland Type Northerly Watercourse Haven and Enfield Eroded watercourse Southerly Watercourse Haven and Enfield Eroded watercourse As shown on the project plans,both eroded watercourses flow into larger wetland systems located on the west side of the site and associated with Plum Gully Brook. The upland soils, into which the ma refer to Appendix B from the NRCS incised as shown on the attached sorts ) channels are ui P ( PP Websoil site. These soils are mapped as a combination of Haven and Enfield soils. These soils are typically of silt loam texture in the surface horizons,and sandy and gravelly below.Field investigation with a hand held auger revealed that the soils on site are consistent with those mapped by the NRCS. The wetland soils found in the larger wetland down gradient of the watercourse is Saco silt loam. This soil is formed in deep very poorly drained alluvium alongside the stream These soils occupy wide, flat areas that flank Plum Gully Brook. These soils are not found in the areas of proposed impact.. Functions of the Areas to be Impacted and ma resources the on-site watercourse to be impacted are a portion of Based on field observationsp i a larger wetland system that continues off site to the west. Observations relevant to wetland functions and values include_ 1. The watercourses are narrow, incised channels that projecs into and in upland soils formed in glacial outwash. 2. The channels have mineral soils. 3. The channels hydrologies are supported in part by water discharge from pipes. 4. The watercourses are bordered by past disturbance for agricultural use. 0 Page 4 f 5. The watercourse channels do not provide significant floodwater storage. 6. The watercourse channels serve as a conduit to move water into the large down gradient wetland. 7. The watercourse channels have one cover type,wooded. 8. The watercourses do not flow year round and support fish. 9 Wild life use occurs within the watercourses but in the northern watercourse, it typically limited to disturbance and pollution tolerant facultative species. lure P P 10. Recreational use is not evident in and along the channels. The channels were not observed to settle sediments or provide dense plants to take up 11 nutrients. 12. The watercourses have very limited aesthetic value. Based September 2015 CTDEEP NDDB maps,there are no know populations of protected 13. Bas on p P � P P species on the site. 14. The northerly channel has been subject to dumping of refuse. 15. Sections of southerly channel have been stabilized through use of stone gabions. Based on these data,the northerly watercourse supports a single primary wetland function: that of conducting water to downstream wetlands. The southerly system has primary functions of conducting water downstream and providing some wildlife habitat values. • Page 5 Potential Impacts CLA has examined the potential for wetland impacts both construction related and post-construction. The main concern during construction is for water quality. In order to protect the aquatic life within the larger wetland, the construction at the proposed crossing will occur during low flow conditions. BL Companies has provided a site-wide erosion and sedimentation control plan This plan includes measures consistent with the CTDEEP 2002 Manual such as construction entrances,perimeter erosion barriers, temporary sediment basins, catch basin protection, and regular inspections. If properly implemented,this will properly protect the regulated resources during construction. BL Companies has also provided the design of a treatment system for post construction storm water runoff. This system includes best management practices such as catch basins, use of the previously constructed storm water basin and use of proprietary swirl technology pollutant removal units. The system has been designed to meet the standards of the CTDEEP 2004 Water Quality Manual and thus will be protective of down gradient water quality. The plans call for filling a total of approximately 6255 square feet wetland and 110 linear feet of watercourse. The project has been designed to accommodate the proposed development with minimal fill (Limited to that previously approved by CTDEEP and USACOE) and will result in minimal loss of wetland function. The primary function to be altered is that of conducting water to downstream wetlands.This function will continue to be served as the proposed culverts will carry the similar flows into the downstream wetland,but with the benefit of erosion protection and erosion repairs as outlined in the mitigation plan. CLA believes that the proposed filing will not detract from the existing wetland functions and will not constitute a significant impact. Mitigation CLA and Waldo and Associates LLC have worked together to provide a mitigation plan to compensate for lost functions. In studying the site for suitable mitigation,the project team identified ongoing erosion in location within each intermittent watercourse (Refer to photographs in Appendix 0 Page 6 Q. These eroded areas contribute to the sediment load of the larger downstream wetland and also limit the habitat values of the eroded locations. As shown on the plan submitted to the Inland Wetland Agency,the proposal consists of:stream bank stabilization using a "soft" engineering approach. The proposed stabilization will be accomplished using coconut fiber(coir) logs,jute mat and plantings. The plantings will be tubelings, as shown on the plan, and they will be species such as locally raised willow and dogwood that are readily grown and transplanted. These species grow rapidly and generate a significant root mat that quickly stabilizes a stream bank. These species also provide wildlife habitat and cover. The coir logs and jute mats will provide temporary stability while the shrub plantings grow. Beyond approximately 5 years the coir and jute will bio-degrade,leaving natural vegetation to stabilize the watercourses. The applicants will also work with Town staff to develop a plan for control and selective eradication of invasive species such as common reed (Phragmites communis). This plan will first identify presence of invasives at locations within Evergreen Walk, then identify location where management/eradication is feasible and desirable, and finally develop a program specific to that site. Based on the type of opportunities present, the site specific plan could include cutting and applying herbicide,hand removal,replanting, ongoing monitoring or a number of other options. Summary CLA has evaluated the wetlands on the Evergreen Walk site. The previously provided delineation is shown on the project plans. The on-site wetlands include two incised channels and a wooded swamp system. The surrounding ecological communities show alteration, and the incised channels continue to provide very limited wetland functions. The proposed development calls for filling previously approved locations and when taken with the proposed mitigation,will not result in significant loss of wetland functions. 0 Page 7 Appendix A Wetland Vegetation • Page 8 J Plant Species found on the Evergreen Walk Me Trees American Beech(Fagus grandifolia) Red oak(Quercus rubrum) Pin oak(Quercus palustris) White oak(Quercus alba) Swamp white oak(Quercus bicolor) Red maple(Ater rubrum)* Black cherry(Prunus serotina) Ironwood(Carpinus carolinana) Shrubs Southern arrowwood(Viburnum recognitum)* Spicebush(Lindera benzoin)* Winterberry(Ilex verticillata)* High bush blue berry(Vaccinium corymbosum)* Alder(Alnus rugosa)* Multiflora rose(Rosa multi flora) Swamp azalea(Rhododendron viscosum)* Steeplebush(Spiraea tomentosa)* Willow(Salix spp.) Flowering dogwood(Cornus forida) Silky dogwood(Cornus amomum)* Shadbush(Amelanchier sp.)* Honeysuckle(Lonicera sp) Poison ivy(Rhus radicans) Barberry(Berberis thubgergii) 0 Page 9 J Herbaceous Plants Trout lily(Erythronium americanum)* Canada.mayflower(Maianthenzum canadense) Cinnamon fern(Osmunda cinnamonzea)* Sensitive fern(Onoclea sensibilis)* Royal fern(Osmunda regalis)* Skunk cabbage(Symplocarpus foetidus)* Jack-in the-pulpit(Arisaema atrorubens) False Hellebore(Veratruna viride)* Garlic mustard(Alliaria ojficinalis) Sphagnum moss(Sphagnum spp) Soft rush(Juncos effusus) Sedges (Carex spp) Nettle(Boehermeria cylindrica) Lianas Japanese honeysuckle(Lonicera japonica) Poison ivy(Rhus radicans) Green briar(Smilax rontundifolia) 0 Page 10 l } Appendix B Soils • Page 11 a 3 Soil Map—State of Connecticut 3 (Evergreen Walk) 702400 702500 702600 702700 702800 702900 703000 703100 703200 703300 703400 41'49'15'N $ 41'4S 1.4 N m N m N Mp i V O Q 8 N M O N C'I V O O Mp V N O V N M O O M N (h Q (rI N O O N N �Mp V $ N N J 41'48'W'N 41'48'54"N 702500 702600 702700 702800 702900 703000 703100 703200 703300 703400 3 3 Map Scale:1:4,710 if printed on Ala pe(11"x 8.5')sheet Meters � N 0 50 100 200 300 /V 0 200 400 800 1200 Map projection:Web Merohx Corner mordrates:WGS84 Edge ems:UFM Zane 18N WGS84 usDA Natural Resources Web Soil Survey 12/4/2015 211111111111 Conservation Service National Cooperative Soil Survey Page 1 of 3 Soil Map—State of Connecticut (Evergreen Walk) MAP LEGEND MAP INFORMATION Area of Interest(AOI) Spoil Area The soil surveys that comprise your AOI were mapped at 1:12,000. Q Area of Interest(AOI) Stony Spot Warning:Soil Map may not be valid at this scale. Y Soils 0 Soil Map Unit Polygons very Stony Spot Enlargement of maps beyond the scale of mapping can cause b Wet Spot misunderstanding of the detail of mapping and accuracy of soil line Soil Map Unit Lines placement.The maps do not show the small areas of contrasting Soil Map Unit Points Other soils that could have been shown at a more detailed scale. � .� Special Line Features Special Point Features Please rely on the bar scale on each map sheet for map (J. Blowout Water Features measurements. Streams and Canals 19 Borrow Pit Source of Map: Natural Resources Conservation Service Transportation Web Soil Survey URL: http://websoilsurvey.nres.usda.gov Clay Spot +-1-4 Rails Coordinate System: Web Mercator(EPSG:3857) Closed Depression Interstate Highways Maps from the Web Soil Survey are based on the Web Mercator Gravel Pit US Routes projection,which preserves direction and shape but distorts distance and area.A projection that preserves area,such as the Gravelly Spot Major Roads Albers equal-area conic projection,should be used if more accurate Landfill Local Roads calculations of distance or area are required. Lava Flow Background This product is generated from the USDA-NRCS certified data as of the version date(s)listed below. Marsh or swamp . Aerial Photography Soil Survey Area: State of Connecticut Mine or Quarry Survey Area Data: Version 14,Sep 22,2015 0 Miscellaneous Water Soil map units are labeled(as space allows)for map scales 1:50,000 Perennial Water or larger. Rock outcrop Date(s)aerial images were photographed: Mar28,2011—Apr 18, Saline Spot 2011 The orthophoto or other base map on which the soil lines were o d Sandy Spot compiled and digitized probably differs from the background 4g, Severely Eroded Spot imagery displayed on these maps.As a result,some minor shifting Sinkhole of map unit boundaries may be evident. Jp Slide or Slip jV Sodic Spot USDA Natural Resources Web Soil Survey 12/4/2015 210-111111 Conservation Service National Cooperative Soil Survey Page 2 of 3 Soil Map—State of Connecticut Evergreen Walk i Map Unit Legend State of Connecticut(CT600) Map Unit Symbol Map Unit Name` Acres in AOI Percent of AOI 9 Scitico,Shaker,and Maybid 2.1 2.2% soils 12 Raypol silt loam 2.6 2.8% 21A Ninigret and Tisbury soils,0 to 5 10.6 11.3% percent slopes 28A Elmridge fine sandy loam,0 to 3 6.8 7.3% percent slopes 28B Elmridge fine sandy loam,3 to 8 10.7 11.3% percent slopes 29B Agawam fine sandy loam,3 to 8 0.4 0.4% percent slopes 32A Haven and Enfield soils,0 to 3 10.2 10.9% percent slopes 32B Haven and Enfield soils,3 to 8 33.9 36.0% percent slopes 108 Saco silt loam 16.8 17.8% Totals for Area of Interest 94.1 100.0% LjsDA Natural Resources Web Soil Survey 12/4/2015 Conservation Service National Cooperative Soil Survey Page 3 of 3 Appendix C Photographs • Page 12 impact • ' . , r � i f Photograph 2 Example of eroded watercourse to be stabilized within northernwetland .. 14 - .• c.{ mil.' L(S�tl �-'�7 �' .t' 'r': �` n ............ -9,•• .Rdr., �!'�' iIIIIIM- s' Photograph 3 Southern watercourse near lower end of proposed pa 1 � � HOL FlW OF � • �: •�� \ ' \\ �� \\ �_ (.'�._. .1._ 11J r( J, 1 vsov: i `' ��WETL N A � ► j ��� RIP-RAP * sroRM MANHOLE RETAHVING WALL. 3 .4EEP CUT 4VCEEPCUf 2P 6CUT I;/ \ \` \ // CS j PLAN VIEW r U MRtgatlon Ano, w Z Z 52 O m <` co B B o a � — — a 02 xccw 0 a o Emma � Egs>wccam gg � � — _ W �•� 19HICN.ggILSN1MU.(H i gp VMWWAPROXMH + Eawmff Z G�2 W 0 Og EanlscHrE �- m w H .> __.—_—_.__ w ....-- 0 A MW ^P , ,. i WAGE R I U Cn O SECTION A-A SECTION B-B LOCATION PLAT zQ N SCALE 1"-800' a O o ------------------- --------------------- z ---- a o M o q Q Y Qg " COMPACT SOIL ON DRIVE STAKE UNTIL 2'-3' TYPICAL TUBELIN4� •a _-_ _ f �j (7 Q ,d UPSLOPE SIDE REMNNS EXPOSED X x X X X X X X X X k`• - tz p 12` DAMETER COIR FlBER LOG - `,. _`�°-el#X X X X X X X X X X � Z ` ; �► U) w w �.• o w 0 STAKED 12' DIAMETER _> -+•.r '.." NSTALL WITH IS' OR 24' COIR FIBER LOG L y w i Q Of 3. 1"xt•WOODEN STAKES _ y '. TUBELING INSTALLATION DETAILLLJ N.T.S. NOTES: , L--- --------------tL ----------- 1. HALL PLANT THE DESIGNATED AREA WITH 6-INCH TO 24 INCH TUBELINGS. -- TUBELINGS SHALL BE PLANTED IN NATIVE SOIL ABOVE THE ROW OF COIR FIBER LOGS AT JUTE NETTING DETAIL COIR FIBER LOG INSTALLATION DETAIL A SPACING OF APPROX.MATELY EVERY ONE FOOT ON CENTER. AMEND EXISTING SOIL, IF pgT.S o vy N.T.S. REQUIRED, TO SUSTAIN TUBELINGS. c a 3. CONTRACTOR SHALL PLANT TUBELINGS USING MANUAL METHODS, SUCH AS A TROWEL. NOTES: PLANT TUBELINGS SO THAT THE ROOT MATERIAL IS MINIMUM OF 5 INCHES BELOW GRADE. MAmrrG TAMP SOIL BACK INTO PLACE. JUTE 1. CONTRACTOR SHALL INSTALL 12-INCH DIAMETER COIR FIBER LOGS AT TOE OF SLOPE DESIGNATED TO BE STABILIZED. RAKE EXISTING NATIVE SOIL, IF REQUIRED, FOR 4. TUBELINGS SPECIES TO BE PLANTED INCLUDE: PUSSY WILLOW (SALIX DISCOLOR AND SALIX COIR FIBER LOG. SPP.), BLACK WILLOW (SALIX NIGRA) AND DOGWOOD SPP. (CORNUS AMMQMUM) AND SHALL BE IN ALTERNATING PATTERN. i o 2. SET COIR FIBER LOGS THREE INCHES DEEP INTO SHALLOW TRENCH AND STAKE II�� �I if o REMAINS EXPOSED. STAKES SHALL BE PLACED A MAXIMUM OF FIVE FEET APART. TUBELING LIST: T L �� ` I 2 5 i.a` i J1 3. INSTALL STAKES PERPENDICULAR TO FACE THE SLOPE. PUSSY WILLOW (SAUX DISCOLOR AND SALIX SPP.), w BLACK WILLOW (SALIX NIGRA) DOGWOOD SPP. (CORNUS AMMOMUM) g a is Ti x PROPOSED CHANNEL DETAIL \\ROB\Our SharedFiles on Rob's Computer\SOUTH INDSOR\SOUTH WINDSOR 12-10-15.dwg, 12/15/2015 1:04: 5 PKA SCALE: i'-2.0' 0' } a. —J. 7 9 qt 0 A, / PLAN VIEW r` F U CL A— L J z z 0 ao o a a z Id z as affix as wp el U = r, o A F�+�1" NYdIS/A'OpCNH ---�— 6PIDE W s u,�•, a _ Ll.l I 1 v O Qi LOCATION PLAT U) 0-4 z po ID SCALE t"=800' d c O LOCATION PLAT ~ � SECTION A A q rnv r- ------------------------------------- SCALE 1"=800� F- q t Q J QI U I j Q Fb u I z DRIVE STAKE UNTIL 2'-3" TYPICAL TUSEUNG •O� I _ z COMPACT SOIL ON W UPSLOPE SIDE REMAINS EXPOSED ( X X X X X X X X X X t e 'raPt' - Q 0 � 12' DIAMETER COIR FIBER LOG �, X X X X X X X X X X - .' - `may •.. 1 I w Ld 1 1.0 WW� 4 K I LLI W ' ✓ l O STAKED 12' DIAMETER NSTALL WITH 18' OR 24' CONt FIBER LOG i h - F '`x _ I 04 to 3. 1"xt WOODEN STAKES .,. . '^. TUBELING INSTALLATION DETAIL L 1 � .- ------------------------------J N.T.S. JUTE NETTING DETAIL 8 NOTES: N.r.S 2 1. CONTRACTOR SHALL PLANT THE DESIGNATED AREA WITH 6-INCH TO 24 INCH TUBELINGS.BELT L) TU 2. TUBELINGS OCAS AT NGS SHALL BE PLANTED IN NATIVE SOIL ABOVE THE ROW OF COIR L JUTEMATTW COIR FIBER LOG INSTALLATION DETAIL A SPACING OF APPROX.MATELY EVERY ONE FOOT ON CENTER. AMEND EXISTING SOIL, IF N.T.S. REQUIRED, TO SUSTAIN TUBELINGS. �� 'f�"'� 3 3. CONTRACTOR SHALL PLANT TUBELINGS USING MANUAL METHODS, SUCH AS A TROWEL. �� 0 NOTES: PLANT TUBELINGS SO THAT THE ROOT MATERIAL IS MINIMUM OF 5 INCHES BELOW GRADE. ti` TAMP SOIL BACK INTO PLACE. � �� 2.5, i-JI t. CONTRACTOR SHALL INSTALL 12-INCH DIAMETER COIR FIBER LOGS AT TOE OF 2 4•01 2 SLOPE DESIGNATED TO BE STABILIZED. RAKE EXISTING NATIVE SOIL, IF REQUIRED, FOR 4. TUBELINGS SPECIES TO BE PLANTED INCLUDE: PUSSY WILLOW (SALIX DISCOLOR AND SAUX pa COIR FIBER LOG. SPP.), BLACK WILLOW (SALIX NIGRA) AND DOGWOOD SPP. (CORNUS AMMONIUM) AND SHALL o BE IN ALTERNATING PATTERN. ��� if w L 2. SET COIR FIBER LOGS THREE INCHES DEEP INTO SHALLOW TRENCH AND STAKE B z REMAINS EXPOSED. STAKES SHALL BE PLACED A MAXIMUM OF FIVE FEET APART. TUBEUNG UST: 3. INSTALL STAKES PERPENDICULAR TO FACE THE SLOPE. PUSSY WILLOW (SALIX DISCOLOR AND SALIX SPP.), a BLACK WILLOW (SALIX NIGRA) DOGWOOD SPP. (CORNUS AMMONIUM) PROPOSED CHANNEL DETAIL N ° \\ROB\Our Shared Files on Rob's Computer\SOUTH INDSOR\SOUTH WINDSOR 12-10-15.dwg, 12/15/2015 1:31: 4 PM SCALE: 1'-2.0' o [_ C- SHIPMAN &GOODWINLLP® � EIVED COUNSELORS AT LAW t t TOWN MANAGERS Gf'rICE TOWN OF SOUTH IVINDSOR Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 251-5318 cjsmith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Elizabeth Warren, Chairperson, and South Windsor Inland Wetlands Agency/Conservation Commission South Windsor Town Hall 1540 Sullivan Avenue South Windsor, CT 06074 Re: Notices required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W Dear Chairperson Warren and Members of the Commission: Enclosed please find copies of notice letters sent to the Metropolitan District Commission, Connecticut Water, and the Department of Public Health pursuant to Section 22a-42f of the Connecticut General Statutes regarding the above-referenced application for permission to conduct regulated activities. 4472455v1 ONE CONSTITUTION PLAZA HARTFORD,CONNECTICUT 06103-1919 860-251-5000 WWW.SHIPMANGOODWIN.COM Please do not hesitate to contact me if you have any questions. Ver my your , ristop er J. Smith, Esquire Attorney and Agent for Petitioner/Applicant Evergreen Walk, LLC Enclosures cc: Evergreen Walk, LLC 4472455v1 AN SHIPMAN &GOODWINLLP® COUNSELORS AT LAW Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 251-5318 cjsmith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Metropolitan District Commission C/O District Clerk 555 Main Street Hartford, CT 06106 Re: Notice required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W To Whom It May Concern: Pursuant to Section 22a-42f of the Connecticut General Statutes, I am writing to inform you of the filing of an application for permission to conduct regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, South Windsor, Connecticut. Approval of the regulated activities may affect properties located within a designated watershed of the Metropolitan District Commission, or aquifer protection area, as provided by Section 22a-42f of the Connecticut General Statutes. A copy of the application form is enclosed for your convenience. 4472455v1 ONE CONSTITUTION PLAZA HARTFORD,CONNECTICUT 06103-1919 1 860-251-5000 1 WWW.SHIPMANGOODWIN.COM If you have any questions or would like additional information, please do not hesitate to contact me at 860.251.5606. A urs, Smith, Esquire yAgent for Petitioner/Applicant Evergreen Walk, LLC CJS:enc Enclosure cc: Town of South Windsor Inland Wetlands Agency/Conservation Commission Evergreen Walk, LLC 4472455vl SHIPMAN &GOODWINLLPO COUNSELORS AT LAW Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 151-5318 cismith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Connecticut Water 25 North Road East Windsor, CT 06088 Re: Notice required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W To Whom It May Concern: Pursuant to Section 22a-42f of the Connecticut General Statutes, I am writing to inform you of the filing of an application for permission to conduct regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, South Windsor, Connecticut. Approval of the regulated activities may affect properties located within a designated watershed of Connecticut Water, or aquifer protection area, as provided by Section 22a-42f of the Connecticut General Statutes. A copy of the application form is enclosed for your convenience. 4472455v1 ONE CONSTITUTION PLAZA HARTFORD,CONNECTICUT 06103-1919 1 860-251-5000 1 WWW.SHIPMANGOODWIN.COM r If you have any questions or would like additional information, please do not hesitate to contact me at 860.251.5606. Very y yours, hristopher . S ith, Esquire Attorney an Agent for Petitioner/Applicant Evergreen Walk, LLC CJS:enc Enclosure cc: Town of South Windsor Inland Wetlands Agency/Conservation Commission Evergreen Walk, LLC 4472455v1 SHIPMAN &GOODWINLLP® COUNSELORS AT LAW Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 251-5318 cismith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Ms. Lori Mathieu, Supervising Environmental Analyst Connecticut Department of Public Health - Drinking Water Section 410 Capitol Avenue, MS #51 WAT P. O. Box 340308 Hartford, CT 06134-0308 Re: Notice required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W Dear Ms. Mathieu: Pursuant to Section 22a-42f of the Connecticut General Statutes, I am writing to inform you of the filing of an application for permission to conduct regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, South Windsor, Connecticut. Approval of the regulated activities may affect properties located within a designated watershed, or aquifer protection area, as provided by Section 22a- 42f of the Connecticut General Statutes. A copy of the application form is enclosed for your convenience. 4472455v1 ONE CONSTITUTION PLAZA HARTFORD,CONNECTICUT 06103-1919 I 860-251-5000 WWW.SHIPMANGOODWIN.COM 1 If you have any questions or would like additional information, please do not hesitate to contact me at 860.251.5606. Ver y yours, hristophe J. Smith, squire Attorney an Agent for Petitioner/Applicant Evergreen Walk, LLC CJS:enc Enclosure cc: Town of South Windsor Inland Wetlands Agency/Conservation Commission Evergreen Walk, LLC 4472455v1 CLA Engineers, Inc. Civil • Structural Survey 317 MAIN STREET NORWICH, CT 06360 (860) 886-1966 • (860) 886-9165 FAX February 2, 2016 Mr. Jeffrey Folger Senior Environmental Planner �3 Town Hall 1540 Sullivan Ave sOUTHWINDSORPL,ANN K.is i " South Windsor, CT 06074 RE: Evergreen Walk Inland Wetlands Application CLA-5223 Dear Mr. Folger: CLA Engineers has previously prepared a report and worked with the project team on the referenced application for retail development at Evergreen Walk. This letter is meant to add information to that application. On review of the project plans and mitigation plans presented as part of the application, CLA feels that the submission is consistent with Section 11 of the Town o:'South Windsor lnland Wetland and Watercourses Regulations and that the proposed wetland r-nitigation will compensate for the wetland impacts that are necessary for the subject project. Please call me with any questions I Very truly yours, Robert C. P sso; CSr . ' Architecture An Employee-Owned Company Engineering Environmental .� Land Surveying Companies February 11,2016 Mr. Jeffrey H. Folger Saute VVarIasor INLAND WETLANDS AGENCY Senior Environmental Planner CONSERVATION COMMISSION Town of South Windsor 1540 Sullivan Avenue South Windsor,CT 06074 Re: Appl. 15-64W,Evergreen Walk,LLC-Commercial Development Unit#12 Fueling Station Operation Dear Mr. Folger: At the February 3, 2016 Inland Wetlands Agency/Conservation Commission meeting, several questions were asked about the fueling station operations. I have talked to one of the prospective tenants and below further describes the fueling station operations. A gasoline trained employee is on site during all hours of operation. The employees attend a training program which includes an interactive test that they must pass before working at the station. Employees are trained to identify maintenance requirements and physically inspect the fuel islands regularly. Their training includes the proper spill clean-up and emergency response procedures. Employees check for leaking hoses,malfunctioning nozzles, fuel spills and physical damage to the dispensers multiple times throughout the day. The following safeguards that are noted below will provide key safety measures and assurances to prevent spills and leaks: • The entire fueling station is designed to the State of California standards for gas stations which are the strictest in the U.S. and include earthquake design standards. • The tanks and piping system is certified to meet the Federal UST leak detection standards. The underground storage tanks(USTs)and all containment sumps,including the dispenser sumps at the fill ports of each tank are double walled fiberglass. Fiberglass is used for its corrosion resistance. The double walled UST system includes a sensor that monitors the primary and secondary tank walls. If a tank wall is compromised,the sensor will immediately shut down the system and activate a visual/audible alarm. • The USTs and containment sumps are secured in place with anchoring straps connected to concrete deadmen. The entire tank excavation hole is backfilled with pea gravel and capped with an 8-inch reinforced concrete slab. The tie downs and the overburden overcome buoyancy factors and resist buckling under hydrostatic pressure. • All product piping is monitored with a pressure line leak detection. All piping is double wall to provide secondary containment. All product piping is sloped back to the UST. If a leak is detected and alarm will sound and the system will automatically shut down. 355 Research Parkway • Meriden,CT 06450 • T(203)630-1406 • F(203)630-2615• www.blcompanies.com Companies • The UST monitoring system incorporates automatic shutoffs. If gasoline is detected in the sump at the fuel dispenser,the dispenser shuts down automatically and an alarm is sounded. If a problem is detected with at tank,the tank is automatically shut down and an alarm is sounded. • Each gas dispenser is equipped with an automatic shutoff valve to protect against vehicle impact. Each fuel hose includes a breakaway device that will stop the flow of fuel at both ends of the hose in event of an accidental drive off. All dispensers include leak detection sensors that are connected to the alarm system. • A petroleum resistant sealant is installed in the concrete slab control joints to prevent petroleum products from entering the underlying soils at the concrete joints. • During the filling of the USTs,the fill hose is connected to the tank with a locking mechanism. The fuel truck cannot dispense fuel if the hose is not locked in place. In event of an accident where the fill hose from the tank dispenses fuel on the ground,a shut off switch located on the truck is immediately turned off by an attendant that is at the truck during the tank filling process. The maximum tank fill rate is 400 gallons per minute. Based on this fill rate,even if the hose dispensed to the ground for 5 minutes,2000 gallons of fuel would be collected in the catch basin system and contained in the underground oil water separator. It is recommended that a 3,000 gallon oil water separator be installed to ensure containment of any catastrophic spills. • In the event of any spills,leaks or alarms,a local environmental company will be on call to respond and clean up. Absorbent pads,booms and chemical that renders gasoline inert is kept at the station to clean up small spills and assist to contain larger spills until the local company arrives on site. • Emergency shutoff switches are installed in locations near the dispensers and controller enclosure. • During non-operating hours,the power to the dispensers is turned off and each nozzle pad is locked. • Emergency shutoff switches are installed in locations near the dispensers and controller enclosure. Please do not hesitate to contact me if you have any questions or need additional information. Sincerely, Michelle Carlson,P.E. Senior Project Manager/Principal REVIEW OF PROJECT ALTERNATIVES Evergreen Walk Unit 12 South Windsor, Connecticut Report Date: February 10, 2016 RECE,VED WALDO & ASSOCIATES LLC 89 State Street FE6 Guilford, CT 06437 INLAidp W rh Win�goT OO ERVqriON co MA lE C N FEASIBLE AND PRUDENT ALTERNATIVES During the design of the Evergreen Walk Unit 12 commercial development plan several alternatives to the project design were considered. This is a review of the project alternatives that were considered in the process of selecting the plan that became the basis of design for the project. Modifications that have been made to the design during 9 p J 9 g the regulatory review process to date are also reviewed. Evergreen Walk Unit 12 proposes the commercial development of Unit 12 with a 150,000 square foot retail facility with a fueling station and associated parking, driveways, roadways, retaining walls and other supporting infrastructure. In preparing the pending application, Evergreen Walk, LLC investigated feasible and prudent alternate development plans. To be "feasible" an alternative must be capable of being implemented. To be "prudent' an alternative must be economically reasonable, wise and judicious. If an alternative is not both feasible and prudent, it is not an acceptable alternative. Project Plan Impacts The inland wetland impacts related to the construction of the Evergreen Walk Unit 12 project include: • Clearing, grading, and building parking areas, driveways, roadways, retaining walls and other associated infrastructure resulting in filling approximately 6,250 square feet of inland wetlands and approximately 110 linear feet of watercourse and impacting approximately 95,000 square feet of the upland review area adjacent to the wetlands. Alternatives Consideration Initially, various building orientations on the site were schematically designed and evaluated. The best orientation from a retail development and constructability perspective was determined to be an orientation with the building located at the western edge of the site facing Buckland Road. Unfortunately this design would have required filling approximately 25,000 square feet of wetland in the area of the currently proposed 6,250 square foot fill, with greater impacts to wetlands and watercourses than the proposal submitted. This alternative is shown on drawing SK-1 (attached). Layouts with the building facing south and west were also attempted but those layouts similarly required substantially more direct wetland fill in the area of the proposed project design. The alternative shown on drawing SK-9 (attached) shows the building facing south. The final layout that was the basis of the current Inland Wetland permit application was selected as the least impacting, feasible and prudent alternative that allowed the project to attain its development goal. Most importantly, the submitted development proposal, when combined with the wetlands mitigation and invasive species management plan proposed, does not result in unmitigated adverse impact to the wetlands or watercourses. During the course of the review of the inland wetland regulated activity application staff raised questions regarding stormwater runoff in the project's western parking area and a triangular section of parking at the extreme southern limit of the parking area. The applicant reevaluated the project design based on these comments and redesigned the site to greatly reduce upland review impact in the triangular parking area and to include grading adjustments and add landscaping features that will provide supplemental water quality benefits. These revisions are less impacting, feasible and prudent alternatives to the original application's project design. A "no action" alternative was also considered. No action would leave the wetlands and watercourses in their existing condition. This alternative is, however, considered neither feasible nor prudent because the applicant's development goal could not be realized by exercising a no action alternative in this location. In addition the applicant does not have an alternate location either on the Evergreen Walk property or elsewhere that would allow the retail development that is being proposed. In summary, based on the applicant's review it is our position that there is no less impacting feasible and prudent alternative to the currently proposed project at Evergreen Walk Unit 12 that will meet the applicant's basic development goal. In the applicant's opinion, the improvement of the inland wetlands on the site by construction of a wetlands mitigation project, with an extensive plan will balance and compensate for any negative impacts to the inland wetlands that will result from the project. f. Evergreen Walk project alternatives 2102016 ,c.., .Yf-t/J 1 246 WC�s I �.tlydRAL NOTES L OFFICE00SP I 30,000 SF nIC.T 1111 .1 ILI—xu vxsco �AiM. 4 ., ! - 1-d t/ f ... //I /// �,rew,+ NS e a M.onm"o.wo o*xa��,. _�. L. , �•�' rr' C C � 4.'�'" l, XF`S � r/•�' \ o� J/ / I r' 7 �s' _._.-.._.___ C. 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HIKINGIRU,vNING TRAILSpa IT a 1 Id I n 7 RETAINING WALI R` , P.�`� 1 •T / a, /� J� _ ) �Q ! •�, ® �••+`� .� y/ y+l, „rJ I4FFIC 91 AL O� VARIES I TG 27'NIGN 4 -_, l /f✓i� .. r� SKETCH PLAN C aG e o _ All znAsfiA�ES OFFICESOUiHI�\/ uENERALNOTES. r� 30,000 Sf s ca:c o oaco a m o / /"J. �j.,,ilY'y'/,f� ��\....J// y'�; I f•���/I f/, '�!'. �t�ory�V � 1 __ , \ f,r�'� _�• I y` I i i �/C/illy f/.!?' L•' r� ��� ` ', ��... pFOpOSEb REtiA1L _---- i I' •'.d - 1, n'• \ 1 /I W U , f / 1 I --'�-� - �' ` O Q Z ]\` ,g .� ,' r i �rV J.�N ' t/�'7�y I ' i - i I !(ff ,: LJ o L,A,FITNESSuj "�. .<41/�" - _' �'-�/ ��' p Y Iy- �i �Y�i t '� �r f;d•i•.,h a'.,P,c.,l I/�! � � d r- gfTE�IDACEAftE�: ° 741 ( FOR ` _ACTI aPnssne aecq ATw•v ' f5 w C. '\ `.: y•.., i ..r' !d ? t ;: �J / � I ¢1 !r f I d roNiECL G To 90-Asa 6 EXINc `�, •gATU E PRESERVE WITH PROPOSED HIKINGIRU.NNING TRAILS \." • 11 ,1 `III I '1 ,L'\_ 1f `'1 'h Lp,-_ / i / '� � CP\ -xO iF.AFFICSI.AL P t CJ •j -` `� j 's SKETCH PLAN S K-9 WETLANDS MITIGATION AND INVASIVE SPECIES MANAGEMENT AREA OPERATIONS AND MAINTENANCE PROCEDURES Evergreen Walk South Windsor, Connecticut REPORT DATE: February 10, 2016 R�C�,v�� WALDO & ASSOCIATES LLC W�jAN S D 10N � NCD 89 State Street co��RupZiO Guilford, CT 06437 INTRODUCTION During the Inland Wetlands Regulated Activity Public Hearing on the Evergreen Walk Unit 12 commercial development questions were raised regarding the operation and maintenance of both the project's wetlands mitigation and invasive species management areas. This report describes the operation and maintenance procedures to be employed for both. During construction installation and maintenance of all sedimentation and erosion controls will be the responsibility of the project construction contractor and will be inspected by the project design engineer and environmental consultant. After completion of project construction all management, repairs and operation of the systems will be the responsibility of a professional landscaping or property management company that will be employed by the project owner. A qualified professional will complete all inspections, and all repairs that may be required will be completed as directed by the qualified professional. WETLANDS MITIGATION and INVASIVE SPECIES MANAGEMENT AREA INSPECTION AND MAINTENANCE PROCEDURES The following are the inspection and maintenance practices that will be used to maintain the wetlands mitigation areas and the invasive species management areas. • After project completion the areas will be regularly inspected at least once every two months. • An inspection report will be made after each inspection. All reports shall be kept on file in the office of the professional who prepares the report. • An environmental specialist will conduct an annual inspection and inventory of the mitigation and invasive species management area vegetation once a year following the completion of construction. The annual inspection will include both photographic documentation, a detailed inventory of the plants growing in the areas, and recommendations for improvements or modifications if required. At the time of the annual inspection should less than 80% of the areas be vegetated with species contained in the original mitigation area or invasive species management area plan reseeding and replanting of the area will be required. Additional tubelings will be planted to replace any dead plants. • One co of the annual environmental inspector's re ort will be submitted to the copyp town of South Windsor and one copy will be kept on file in the office of the professional who completes the inspection. The wetlands mitigation and invasive species management areas will be maintained in good condition. If a repair or modification to the mitigation area design is necessary, it will be initiated in a timely manner. • Replacement of vegetation that may be required as a result of the annual environmental consultant's report will be initiated within one month of the report or as soon as possible contingent upon the appropriate planting season. • Built up sediment will be removed from areas throughout the mitigation area where excessive accumulation of sediment may occur. • Temporary and permanent seeding and planting will be inspected for bare spots, washouts, and healthy growth of vegetation. • Trash and debris will be cleared from the site; no evidence of dumping of trash or other inappropriate material will be present. • There should be no evidence of poisonous or invasive vegetation that constitutes a hazard to maintenance personnel or the public. • If there is any evidence of rodent holes that cause damage to the mitigation areas, the rodents should be removed and any damage repaired. • When insects such as wasps or hornets interfere with maintenance activities, the insects should be eliminated. • Care should be taken to ensure that trees do not hinder maintenance activities or maintenance access. If trees are not interfering with access, periodic pruning of dead branches and removal of nuisance brush is acceptable. • Any erosion of channel slopes should be stabilized with appropriate erosion control practices, seeded, and mulched as appropriate. • Replace rocks missing from splash pads or channel if there is any exposed soil or if there is only one layer of rock above native soil. Annual Stormwater Evaluation and Inspection Once a year, a qualified professional will conduct a comprehensive annual evaluation and inspection of all aspects and provisions of the mitigation and invasive species management areas. The purpose of the evaluation and inspection is to assess the overall management practices for effectiveness and to identify shortcomings of the practices and implement changes and improvements. A written report of the evaluation and inspection will be prepared and a copy will be maintained in the files of the professional who prepared the report. The report will include a summary of findings of the evaluations, and procedural changes which will be made to improve management practices. A copy of the annual inspection report will also be submitted to the Town of South Windsor for review. Construction Methods Wetlands Mitigation Conventional construction equipment will be utilized, including an excavator to remove and stockpile excavated channel slope material from the wetlands mitigation area. The excavator will be used to remove surplus material which will be stockpiled outside of the wetlands area and utilized for fill elsewhere. The majority of the work in the wetlands mitigation and invasive species management areas will be conducted by hand using hand tools and equipment. Construction Sequence The following construction sequence will be followed. Additional details of individual sequence elements can be found on the relevant mitigation area drawings. A project environmental consultant will be on-site at all times to monitor all work within the wetland mitigation areas and invasive species management areas to ensure compliance with the approved plan. 1. A pre-construction meeting will be held prior to any earth moving activities or vegetative clearing. The pre-construction meeting will be attended by the project environmental consultant, the contractor, and all other parties involved with the wetlands mitigation areas and the invasive species management program. 2. The project surveyor will mark the proposed mitigation and invasive species management areas in the field. Boundaries will be clearly marked by wooden stakes, plastic flagging, orange construction fencing, or other highly visible means. 3. Sediment filter fencing or other appropriate sediment barrier will be established along the limits of the mitigation areas. 4. The final extent of the mitigation areas and invasive species management areas will be determined in the field by the environmental consultant. 5. The environmental consultant will approve all final grades established within the mitigation areas before any re-vegetation work begins. The environmental consultant will notify town staff of the completion of excavation activities. 6. Proposed plantings /tubelings will proceed to completion under the direction of the environmental consultant, who will inspect all plant materials and mark the location for planting prior to placement in the ground. 7. The environmental consultant will prepare a written report to be submitted to all required land use agencies at the time of project completion. 8. All sediment filter fencing will be removed from the wetlands mitigation and invasive species management areas after ground cover vegetation is established. Maintenance Plan Upon completion of all vegetation work in the wetlands mitigation and invasive species management areas, the environmental consultant will inspect all plants to determine plant survival and vigor. A minimum survival threshold of 80 percent has been established. for all plantings and .ground cover vegetation. Beginning with the first annual inspection the 80 percent threshold must be met or additional plants and seedings will be required. An annual inspection will take place each year for a five-year period. An important part of the success of the wetlands mitigation areas will be proper maintenance of the stormwater measures to prevent siltation of the mitigation area Monitoring Requirements Inspections shall be conducted on a schedule of 60 days for 6 months, and annually for years 1 to 5 from the date of the completion of all plantings. Inspection dates will be seasonally adjusted to conform to a growing season of April 15th through October 15tn The environmental consultant will prepare and provide a written report annually to document the monitoring inspections. Copies of the written inspection report along with photographs of the mitigation and invasive species management areas will be forwarded to the Town of South Windsor. The report will include: (1) the percent establishment of ground cover or herbaceous vegetation; (2) the types and numbers of any dead or failing plants as well as document their replacement to maintain the minimum 80% survival threshold and (3) an evaluation of the overall condition and effectiveness of the wetlands mitigation and invasive species management areas. Long Term Management Plan The performance standard of 80% survival of plantings has been noted above. If monitoring of other information indicates that the wetlands mitigation and invasive species management projects are not progressing towards this performance standard or if the wetlands mitigation area design is not effective in preventing streambank erosion, the previously specified reporting by the environmental consultant to the Town of South Windsor will disclose that fact. The determination of the environmental consultant and the Town will be used to identify corrective actions to cause the wetlands mitigation and invasive species management projects to achieve the functions targeted by the projects. SOW N SE A C O FT_ov� O-P S_a� V&U&ot a w� 1540 SULLIVAN AVENUE • SOUTH WINDSOR, CT 06074 SOR-CO TELEPHONE (860) 644-2511 To: Rob Sonnichson January 27, 2016 Waldo and Assoc. LLC 49 State St Guilford, CT 06437 From: Jeffrey H. Folger Environmental Planner Town of South Windsor Re: Appl #15-64W Review of the Evergreen Walk retail project, - Unit 12, 151 Buckland Road,plans dated 10/04/13. I have reviewed the site plans for the proposed Evergreen Walk office project with the following initial comments: o The re-located northern stone-lined drainage channel should be extended farther down slope to prevent erosive scour o The mitigation plan should show,precisely on the plans,the location of the soft armoring activities. The plan should also quantify the amount of area involved in the mitigation. o The mitigation plan lacks detail on the types, amounts,and precise locations of proposed plantings. o Areas proposed to be involved in the invasive species management should be located on the plan. o Currently,the entire area of the northwest parking lot drains to the perimeter catchbasins located along the western side. Structures located within the parking lot to further compartmentalize the drainage shed should be considered. o The triangular parking area along the southern end of the rear parking lot has several parking places that, in the estimation of the Town Engineer, are questionable. The presence or absence of these parking spaces will affect the amount of disturbance within the URA. Town Engineer Inland Wetland/Conservation Commission Director of Planning FLB Architecture and Planning Inc. . Architecture RECEIVED Engineering ' Environmental . Land Surveying DECII 15 1: a SQU. .'vv;-_.a.,, Companies INIANDVUETLANU AMGJEt4CY CONSERVATION COMMISSION II Stormwater Management and Utilities Report ' Evergreen Walk— Unit 12 BL Project No.: 13C4718 Prepared for Town of South Windsor Inland Wetlands, Watercourses and Conservation Commission Prepared by rBL Companies, Inc. 355 Research Parkway ' Meriden, CT 06450 December 14, 2015 i 1 OF CgA1 .` F9 �• 62g7 LIEN Table of Contents Topic Page Executive Summary 3 ' 1. Existing Site Conditions and Master Plan 4 2. Developed Site Conditions 4 3. Summary of Utilities 5 ' 4. Storm Water Management 6 A. Master Plan Drainage Patterns 6 ' B. Proposed Drainage Patterns 6 C. Pipe Sizing Calculations 7 D. Water Quality 7 ' Conclusions 7 LIST OF APPENDICES ' Appendix A: Figures Figure 1: USGS Site Location Map Figure 2: Flood Insurance Rate Map Figure 3: Soil Map and Report Appendix B: Drainage Maps Existing Master Plan Drainage Areas ' Proposed Development Drainage Areas Proposed Sub-catchment Drainage Areas Appendix C: Post-development Hydraulics Hydraulic Reports (StormCAD): 10-year storm Appendix D: Water Quality Calculations ' Water Quality Calculations Flow Splitter Calculations HDS Sizing Treatment Train Appendix E: Reports Site Operations and Maintenance Plan r ' 2 ' Executive Summary The proposed project is to develop Unit 12 at Evergreen Walk with a retail building and associated driveways and parking. The building pad site consists of approximately 15.1 acres of the entire development parcel with a total area of approximately 240 acres. Unit 12 is part of the Evergreen Walk Master Plan Area. The site to be developed currently consists of predominantly grassed area. The ground generally slopes from east to west. Stormwater currently flows either to the existing stormwater management basin (Detention Basin #7) or the existing wetlands system west of the site. The existing developments to the east (LA Fitness) and northeast (ECHN ll) both have existing stormwater conveyance pipes that transverse the site although they do not collect stormwater runoff from the proposed development area. They will continue to function in their current capacity with some minor relocation due to the proposed site layout. ' As a master planned development, the existing stormwater management system has been designed to convey the stormwater discharge from the previous approved developed site conditions. The current proposed site development will not increase the amount of impervious ground cover on-site in an effort to ensure that the existing stormwater management system will be adequate in the fully developed condition subsequent to the master plan approval. The proposed 150,217 SF building will have public water, sanitary sewer, natural gas, electric, and telecommunications services connections. Domestic and fire protection water shall be connected from an existing 8" service main installed beneath Evergreen Way at the intersection with Cedar Road as part of the master plan construction activities. This service will also loop to an existing 8" stub to the site installed as part of the master plan construction activities. ' Sanitary sewer laterals shall be connected to the existing 6" sanitary sewer stub installed to the site during the master plan construction. A natural gas connection is to be connected to an ' existing service line to the east, beneath Evergreen Way, the size and exact location of the proposed service lateral are to be coordinated with the local service provider. Electrical and telecommunications services shall be connected at an existing electrical and telephone service located within Evergreen Way. Two new transformers will be located on site. This report has been prepared to complement the submitted project plans as well as to represent the technical basis for the stormwater management system designs presented herein. In consideration of the overall project, we conclude that all technical drainage requirements and design parameters set forth by the Town of South Windsor under the master plan approval and the State and ACOE have been met. Water Quality Best Management Practices (BMP's) have also been incorporated in this design and include catch basins with deep sumps, hooded catch basin outlets and hydrodynamic separators which will connect to the existing closed drainage system previously sized and installed under the master plan. r 3 ' 1. Existing Site Conditions and Master Plan ' The project site is located in South Windsor, Connecticut. The coordinates for the approximate center of the project are Latitude 41.817912 N and Longitude 72.555691 W. I This project consists of one building pad site, Unit 12, of the master planned retail development "Shops at Evergreen Walk". The building pad site consists of approximately 15.1 acres of the entire development parcel with a total area of approximately 240 acres. i ' Aerial Image of existing site conditions ' As part of the master planned development for the entire 240 acre property, the area within the proposed development area that is part of this application was to accommodate two 145 room hotels and three office buildings totaling 172,500 s.f. with associated parking lots and two parking garages. The proposed development site area is located within three sub-watershed ' areas. The current proposed site development will not increase the amount of impervious ground cover within these sub-watershed areas (master plan total impervious coverage = 24.26 acres, proposed development impervious coverage = 20.84 acres). 2. Developed Site Conditions ' The proposed project is to develop a 150,217 square foot retail building, a fueling facility, and associated bituminous concrete parking area. The existing internal roadway system to the north 4 (Tamarack Avenue) and east (Evergreen Way)will remain essentially unchanged with only minor modifications in the vicinity of the proposed fueling facility. In an effort to meet the design I f h goals o the original master Ian, the effective impervious 9P P coverage currently proposed is less than that outlined in the original master plan. This will ensure that stormwater volumes and flow leaving the site from the newly developed area will not have any adverse downstream impacts. Some modifications to existing on-site facilities will be required to accommodate the new ' development. An existing stormwater pipe originating from the ECHN II development north of the proposed development will be rerouted around the new fueling facility. The existing gravel maintenance access road to detention basin #7 will be relocated north of the proposed fueling facility. The existing stormwater pipe originating from Buckland Road and traversing the proposed site will be realigned and extended beyond the new proposed parking lot and will discharge to the same wetlands channel west of the site as it does under existing conditions. ' 3. Summary of Utilities Water Distribution — Domestic and fire protection water shall be connected from an existing 8" service main installed beneath Evergreen Way at the intersection with Cedar Road as part of the master plan construction activities. This service will also loop to an existing 8" stub to the site installed as part of the master plan construction activities. ' Sanitary Sewer System —Sanitary sewer lateral shall be connected to the existing 6" PVC sanitary sewer stub installed to the site during the master plan construction. A duplex pump chamber will be constructed on site. Storm Sewer System — No formal stormwater collection system exists in the proposed site development area. A new stormwater collection system with water quality structures will be installed on site and will be directed to discharge in a manor consistent with that of the master plan. The storm sewer system shall be designed in accordance with the Connecticut Department of ' Energy & Environmental Protection (CTDEEP) "2002 Connecticut Guidelines for Soil Erosion and Sediment Control" and the CTDEEP "2004 The Connecticut Stormwater Quality Manual". ' Natural Gas System — A natural gas connection is to be connected to an existing service line to the east, beneath Evergreen Way, the size and exact location of the proposed service lateral are to be coordinated with the local service provider. Electric/Communication/Cable TV— Electrical and telecommunications services shall be connected at an existing electrical and telephone service located within Evergreen Way. Two new transformers will be located on site. 5 ' 4. Storm Water Management A. Master Plan Drainage Patterns Under the master planned conditions, stormwater runoff flows in a southwesterly direction across the site. The proposed site area is part of three sub-watershed areas. The northernmost sub-drainage areas (depicted as area EDA-1 on Map ED-1 included in appendix B)were designed to convey stormwater to Stormwater Management Basin #7 (already constructed). This area included the two ECNH II office buildings and parking lots (already constructed as well as three office buildings and a hotel n - I'�, � ( y ) g (not constructed). This sub drainage area totals 17.82 acres and has an impervious coverage of 12.25 acres (68.7%) based on the master plan. The southern two sub-drainage area (depicted as area EDA-2 and EDA-3 on Map ED-1 ' included in appendix B) was designed to convey stormwater un-detained to the stream channel just south of the proposed site area. This area included the LA Fitness building and parking lot (already constructed) as well as two office buildings, a hotel and four retail buildings (not constructed). These sub-drainage areas total 18.25 acres and have an impervious coverage of 12.01 acres (65.8%) on the master plan. The soils in the area of the site are classified by United States Department of Agriculture Natural Resources Conservation Service and consist primarily of type "B" and "C" rated soils. Refer to soils map and report located in Appendix A. B. Proposed Drainage Patterns The proposed site construction and study still encompass the approximately same tributary drainage areas of the three sub-watershed areas mentioned in the previous master plan conditions section. ' The northernmost sub-drainage area (depicted as area PDA-1 on Map PD-1 included in appendix B)will convey stormwater to Stormwater Management Basin #7. The two ECNH II office buildings and parking lots already constructed will continue to convey stormwater to the ' existing detention pond with only minor modifications to the existing piping network. The portions of the new proposed development, mostly consisting of the parking areas to the north and west of the proposed building, will connect into the existing storm piping system just east of the existing outlet into stormwater management basin V. Two new water quality structures will be installed prior to discharge to the basin. This sub-drainage area totals 18.68 acres and has an impervious coverage of 10.89 acres (58.3%). ' For purposes of this analysis, the two southern sub-drainage area depicted as area EDA-2 and EDA-3 on Map ED-1 have been combined into area PDA-2/3 on Map PD-1. This area conveys stormwater un-detained to the stream channel just south of the proposed site area. This area ' includs the LA Fitness building and parking lot as well as the proposed 150,217 SF retail building and the parking areas just west of the building and pavement areas south of the building. This sub-drainage area totals 17.75 acres and has an impervious coverage of 9.95 acres (56.1%). The proposed stormwater drainage system was designed to mimic the master plan conditions. ' Areas designed to drain the stormwater management basin in the master plan condition will 6 r ' continue to do so with no increase in the originally designed impervious coverage (12.25 acres pre vs. 10.89 acres post). The same is true for the areas designed to be released un-detained (12.01 acres pre vs. 9.95 acres post). The proposed stormwater drainage system was modeled and analyzed using the 10-year storm event in accordance with the regulations. Refer to Appendix C for StormCAD hydraulic reports. C. Pipe Sizing Calculations The proposed drainage systems have been sized to convey the 10-year storm event to their respective discharge points without ponding or surcharging above the catch basin / manhole grates. Connecticut Rainfall Intensity-Duration (Table B-2.1)was utilized. The site drainage system improvements have been designed to comply with the Town regulations and the requirements set forth in the State of Connecticut Department of Transportation Drainage Manual, dated 2000, as amended. Drainage areas contributing to each catch basin and are ' found in Appendix B. Tailwater elevations for the stormwater management areas and flared end sections are based on ' the 10-year design storm. The intermittent stream channel crossing to the south of the proposed building has been sized to convey the 25-year storm and checked for the 50-year storm event. StormCAD version 8i by Haestad Methods, utilizing the Rational Method, was used to model the proposed drainage system. Calculation data can be found in Appendix C. rThe minimum pipe size maintained onsite is 15" under pavement and lawn areas. ' D. Water Quality Three separate hydrodynamic water quality structures will be located onsite. Two of these units ' will be installed prior to connection to the existing pipe outlet into stormwater management basin #7. The third unit will be located south of the proposed building prior to discharging onsite stormwater to the existing stream channel. The site will also incorporate other best management practices such as catch basins with deep sumps and hooded outlets as well as regular parking lot and street sweeping. These combined measures will allow an overall treatment efficiency of 83%. These measures have been designed to meet CT DEEP's 2004 Stormwater Quality Manual. Refer to appendix D for water quality and proposed treatment train calculations. rWith the implementation of the proposed drainage system designed for this project, there will be no negative impacts on downstream properties or off-site storm drainage systems from the ' proposed development. Existing runoff discharge points will be maintained in the proposed design and appropriate ' measures are included to ensure that drainage will continue to flow to existing locations. 7 r ' The on-site drainage collection system is sized for the 10-year storm to operate without ponding or surcharging and numerous measures have been implemented to improve stormwater quality including catch basin sumps and hooded outlets and hydrodynamic water quality structures. Conclusions This report, as noted above, has been prepared to compliment the submitted project plans as well as to represent the technical basis for the designs presented herein. In consideration of the overall project we conclude that all technical concerns and design parameters set forth by the Town and State, as presently identified, have been fully met. 8 r r r 1 ' Appendix A: Figures & Reports Figure 1: USGS Site Location Map ' Report 1: Flood Insurance Rate map Report 2: Soil Map and Report r 1 1 r 1 1 r r r 9 1 � 1 �„i:.,> � ,j'r . 1,t� I'r � ,•r�.;"• •fit --�.. le 100 rl)) _ yet et i # ,t_•... g `i' am so g. .�,,,� - -� .�.-�(-._ p� ,.r,,.: .\ / ,�. � , � ,,I� it �j _� �, • �••'� tt. 't� Zr•'�`2�'I'JF. '!I',-`'i1,�,,,7 � ' 4 ,✓' � � � `�r � >,.v � ��• T fy'�t:f>.'�✓fi"� Z��� f�Lrt fr i � ' _ 'r �~ `�CZiff aZ Y/ 'lit", ''�fryt rl%-'�1� �' Y •' 1 ��. USGS SITE LOCATION MAP Drawn De3igned M.A.A. Checked PROPOSED RETAIL DEVELOPMENT-EVERGREEN WALK Approved BUCKLAND ROAD Project 1 =1000' FIGURE 1 Proect No. 13C4718 Om(�Un�S SOUTH WINDSOR, CONNECTICUT 06074 DAD File LO2/10 2015 Xref (s): ; ALTA ; 00481STPOOlPlO ; XC13C471801 011111111 � � S= am r r � r nal Flood Insurance Program at(800)638-6620. t �u a 86 2+N MAP SCALE 1" = 500' P 50 0 500 1000 FEET m PANEL 0393F 7] FIRM y FLOOD INSURANCE RATE MAP o HARTFORD COUNTY, ' CONNECTICUT W llli (ALL JURISDICTIONS) � SON �jw PANEL 383 OF 675 (SEE MAP INDEX FOR FIRM PANEL LAYOUT) ay CONTAINS. JI LLL ..CS mullRy_ -WMBEB- PANEL .SUFFIX. 7 MIWCNE6tFA,TOWN OF Ogpg21 03l3 F y� BOUINYNNUBtxi TOWti6 OBOOeE g9l3 F �LL lJj� .ir IIII+ ' rill IQ1 Nolloe to User:The Mep Netebw shown below should be used 141 I. when Plaeing map orders; he Cemrnueb, Nue , shown .0 LLL. above"uld be used on h uran a eppllartbns(or Me subleo[ cemmungv. .i!iII epARTd, MAP NUMBER 09003CO383F I x EFFECTIVE DATE: c� SEPTEMBER 26,2008 �6 N X -TMM, �'1ND SB a 2 7rirrm Federal Emergency Management Agency Y This is an official copy of a portion of the above referenced flood map. It was extracted using F-MIT On-Line. This map does not reflect changes o.amendments which may have been made subsequent to the date on the title block. For the latest product information about National Flood Insurance Program flood maps check the FEMA Flood Map Store at www.msc.fema.gov 3 Soil Map—State of Connecticut 3 M (Retail Development) ry�M ryM M n 702780 702840 702900 702960 703020 703080 703140 41°49'12"N 41°49'1Z'N o o N �Mp P tV N N p N 7 O frl �ry N 41°49 57 N �� _ 41°49 SS'N 702780 702840 702900 702960 703020 703080 703140 3 3 M Map Scale:1:2,450 if printed on A portrait(8.5"x 11")sheet. Meters NN 0 35 70 140 210 /V 0 100 200 400 600 Map projection:Web Mercator Corner coordinates:WGS84 Edge tics:UfM Zone 18N WGS84 USDA Natural Resources Web Soil Survey 12/9/2015 Conservation Service National Cooperative Soil Survey Page 1 of 3 Soil Map—State of Connecticut (Retail Development) MAP LEGEND MAP INFORMATION Area of Interest(Aol) Spoil Area The soil surveys that comprise your AOI were mapped at 1:12,000. Area of Interest(AOI) Stony Spot Warning:Soil Map may not be valid at this scale. Soils Very Stony Spot F] Soil Map Unit Polygons Enlargement of maps beyond the scale of mapping can cause ^'t Wet Spot misunderstanding of the detail of mapping and accuracy of soil line ►w Soil Map Unit Lines placement.The maps do not show the small areas of contrasting Soil Map Unit Points Other soils that could have been shown at a more detailed scale. � .� Special Line Features Special Point Features Please rely on the bar scale on each map sheet for map U Blowout Water Features measurements. Streams and Canals 19 Borrow Pit Source of Map: Natural Resources Conservation Service Clay Spot Transportation Web Soil Survey URL: http://websoilsurvey.nres.usda.gov +-f+ Rails Coordinate System: Web Mercator(EPSG:3857) Closed Depression .�I Interstate Highways Maps from the Web Soil Survey are based on the Web Mercator Gravel Pit projection,which preserves direction and shape but distorts US Routes distance and area.A projection that preserves area,such as the a Gravelly Spot Major Roads Albers equal-area conic projection,should be used if more accurate Landfill Local Roads calculations of distance or area are required. Lava Flow Background This product is generated from the USDA-NRCS certified data as of the version date(s)listed below. Marsh or swamp . Aerial Photography Soil Survey Area: State of Connecticut Mine or Quarry Survey Area Data: Version 14,Sep 22,2015 (� Miscellaneous Water Soil map units are labeled(as space allows)for map scales 1:50,000 0 Perennial Water or larger. Rock Outcrop Date(s)aerial images were photographed: Mar 28,2011—Apr 18, + Saline Spot 2011 Sandy Spot The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background 4�,. Severely Eroded Spot imagery displayed on these maps.As a result,some minor shifting of map unit boundaries may be evident. Sinkhole Slide or Slip 0o Sodic Spot USDA Natural Resources Web Soil Survey 12/9/2015 2" Conservation Service National Cooperative Soil Survey Page 2 of 3 Soil Map—State of Connecticut Retail Development Map Unit Legend State of Connecticut(CT600) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 28B Elmridge fine sandy loam,3 to 8 1.1 5.4% percent slopes 32B Haven and Enfield soils,3 to 8 17.1 88.2% percent slopes 108 Saco silt loam 1.2! 6.3% Totals for Area of Interest -- - —— 19.41-- — —100.0% r r r r r r r rUSDA Natural Resources Web Soil Survey 12/9/2015 s Conservation Service National Cooperative Soil Survey Page 3 of 3 r Soil Features---State of Connecticut Retail Development Soil Features This table gives estimates of various soil features. The estimates are used in land use planning that involves engineering considerations. A restrictive layer is a nearly continuous layer that has one or more physical, chemical, or thermal properties that significantly impede the movement of water and air through the soil or that restrict roots or otherwise provide an unfavorable root environment. Examples are bedrock, cemented layers, dense layers, and frozen layers.The table indicates the hardness and thickness of the restrictive layer, both of which significantly affect the ease of excavation.Depth to top is the vertical distance from the soil surface to the upper boundary of the restrictive layer. Subsidence is the settlement of organic soils or of saturated mineral soils of very low density. Subsidence generally results from either desiccation and shrinkage, or oxidation of organic material,or both,following drainage.Subsidence takes place gradually, usually over a period of several years. The table shows the expected initial subsidence,which usually is a result of drainage,and total subsidence,which results from a combination of factors. Potential for frost action is the likelihood of upward or lateral expansion of the soil caused by the formation of segregated ice lenses(frost heave)and the subsequent collapse of the soil and loss of strength on thawing. Frost action occurs when moisture moves into the freezing zone of the soil. Temperature, texture, density, saturated hydraulic conductivity(Ksat),content of organic matter, and depth to the water table are the most important factors considered in evaluating the potential for frost action. It is assumed that the soil is not insulated by vegetation or snow and is not artificially drained. Silty and highly structured, clayey soils that have a high water table in winter are the most susceptible to frost action. Well drained, very gravelly, or very sandy soils are the least susceptible. Frost heave and low soil strength during thawing cause damage to pavements and other rigid structures. Risk of corrosion pertains to potential soil-induced electrochemical or chemical action that corrodes or weakens uncoated steel or concrete. The rate of corrosion of uncoated steel is related to such factors as soil moisture, particle-size distribution, acidity, and electrical conductivity of the soil. The rate of corrosion of concrete is based mainly on the sulfate and sodium content, texture, moisture content,and acidity of the soil.Special site examination and design may be needed if the combination of factors results in a severe hazard of corrosion. The steel or concrete in installations that intersect soil boundaries or soil layers is more susceptible to corrosion than the steel or concrete in installations that are entirely within one kind of soil or within one soil layer. For uncoated steel, the risk of corrosion, expressed as low, moderate, or high, is based on soil drainage class, total acidity, electrical resistivity near field capacity, and electrical conductivity of the saturation extract. For concrete,the risk of corrosion also is expressed as low, moderate, or high. It is based on soil texture, acidity, and amount of sulfates in the saturation extract. USDA Natural Resources Web Soil Survey 12/9/2015 i Conservation Service National Cooperative Soil Survey Page 1 of 2 M � am Ml M i M � M � M M M f an No M M Soil Features---State of Connecticut Retail Development Report—Soil Features Soil Features-State of Connecticut Map symbol and Restrictive Layer Subsidence Potential for frost Risk of corrosion soil name action Kind Depth to Thickness Hardness Initial Total Uncoated steel Concrete top Low-RV- Range Low- Low- High High High ------------------------------ ............ ................. -------- -------- In In In In 2813—Elmridge fine sandy loam,3 to 8 percent slopes -------------- ------------- Elmridge 0 0 Moderate High Moderate 3213—Haven and Enfield soils,3 to 8 percent slopes Haven 0 0 Moderate High High -------------------I-------------- -------------- -------------------- -------- -------- Enfield --- 0 0 High High Moderate ------------------------------------ ------- ..........- 108—Saco,silt loam Saco 0 0 High Moderate Low ---- ------- Data Source Information Soil Survey Area: State of Connecticut Survey Area Data: Version 14, Sep 22, 2015 USDA Natural Resources Web Soil Survey 12/9/2015 Conservation Service National Cooperative Soil Survey Page 2 of 2 Appendix B: Draina-ge Maps Existing Master Plan Drainage Areas Proposed Development Drainage Areas Proposed Sub-catchment Drainage Areas r r 1 r 10 i Appendix C: Post-development Hydraulics Hydraulic Reports (StormCAD): 10-year storm 1 11 Scenario: Base 1 1 - 1 1 1 1 1 1 1 1 1 ----------- Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] 12114/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 FlexTable: Conduit:DOT Hydraulic Grade Line Computations Label Start Node Stop Node Diameter Material Size Length System Total Capacity Velocity Slope Invert Invert(Stop) Energy Grade Energy Grade Hydraulic Hydraulic Elevation Elevation ' (in) (ft) Rational System (Full Flow) (ft/s) (Calculated) (Start) (ft) Line(In) Line(Out) Grade Line Grade Line Ground Ground Flow Flow (cfs) (ft/ft) (ft) (ft) (ft) (In) (Out) (Start) (Stop) (cfs) (cfs) (ft) (ft) (ft) (ft) Corrugated ' CO-2 CB-101 MH-101 24.0 HDPE 24 inch 206.1 3.22 3.22 28.97 6.08 0.010 117.00 115.00 118.15 118.12 118.10 118.11 126.50 126.40 (Smooth Interior) Corrugated ' CO-3 MH-101 MH-102 24.0 HDPE 24 inch 174.0 21.13 21.13 31.53 10.76 0.011 115.00 113.00 117.55 115.95 116.65 115.24 126.40 119.00 (Smooth Interior) Corrugated 1 CO-4 MH-102 CB-103 24.0 HDPE 24 inch 76.0 20.83 20.83 33.76 11.30 0.013 113.00 112.00 115.53 115.13 114.64 114.45 119.00 117.50 (Smooth Interior) Corrugated ' CO-6 CB-103 CB-102 24.0 HDPE 24 inch 25.7 21.17 21.17 29.01 10.08 0.010 112.00 111.75 114.57 114.45 113.74 113.74 117.50 117.50 (Smooth Interior) ' Corrugated CO-9 MH-100 MH-101 24.0 HDPE 24 inch 34.1 18.46 18.46 29.82 9.99 0.010 116.35 116.00 118.68 118.46 117.90 117.27 128.00 126.40 (Smooth Interior) Corrugated CO-10 RD-107 MH-100 24.0 HDPE 24 inch 293.8 18.77 18.77 29.71 10.00 0.010 119.35 116.35 121.70 118.95 120.91 118.39 129.00 128.00 (Smooth Interior) Corrugated CO-11 CB-201 CB-202 15.0 HDPE 15 inch 20.3 0.36 0.36 5.36 2.49 0,005 115.00 114.90 115.48 115.48 115.47 115.47 126.00 127.50 (Smooth Interior) Corrugated CO-12 CB-202 CB-203 15.0 HDPE 15 inch 93.5 0.94 0.94 5.30 3.26 0.005 114.90 114.45 115.46 115.41 115.39 115.40 127.50 128.00 (Smooth Interior) 1 Corrugated CO-13 CB-203 CB-204 18.0 HDPE 18 inch 222.6 3.02 3.02 9.64 4.82 0.005 114.45 113.34 115.36 114.85 115.11 114.80 128.00 125.25 (Smooth Interior) Corrugated CO-14 CB-204 CB-205 24.0 HDPE 24 inch 103.6 6.83 6.83 20.43 5.85 0.005 113.34 112.84 114.80 114.73 114.64 114.65 125.25 123.75 (Smooth Interior) Corrugated CO-15 CB-205 CB-206 24.0 HDPE 24 inch 120.3 11.54 11.54 20.77 6.79 0.005 112.84 112.24 114.57 114.32 114.06 114.10 123.75 123.65 (Smooth Interior) ' Corrugated CO-16 CB-206 CB-207 30.0 HDPE 30 inch 243.7 16.58 16.58 73.03 12.04 0.019 112.24 107.67 114.17 110.73 113.62 108.48 123.65 112.85 (Smooth ' Interior) Corrugated CO-17 CB-207 MH-4 30.0 HDPE 30 inch 47.6 27.13 27.13 38.69 5.53 0.005 104.69 104.44 108.37 108.25 107.90 107.77 112.85 116.10 (Smooth Interior) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] ' 12/1412115 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 3 FlexTable: Conduit:DOT Hydraulic Grade Line Computations Label Start Node Stop Node Diameter Material Size Length System Total Capacity Velocity Slope Invert Invert(Stop) Energy Grade Energy Grade Hydraulic Hydraulic Elevation Elevation ' (in) (ft) Rational System (Full Flow) (ft/s) (Calculated) (Start) (ft) Line(In) Line(Out) Grade Line Grade Line Ground Ground Flow Flow (cfs) (ft/ft) (ft) (ft) (ft) (In) (Out) (Start) (Stop) (cfs) (cfs) (ft) (ft) (ft) (ft) Corrugated CO-18 MH-4 MH-5 30.0 HDPE 30 inch 9.3 26.96 26.96 55.38 5.49 0.011 104.44 104.34 108.20 108.18 107.73 107.71 116.10 116.30 (Smooth Interior) Corrugated ' CO-19 MH-5 MH-6 30.0 HDPE 30 inch 17.6 26.93 26.93 38.10 5.49 0.005 104.34 104.25 108.13 108.09 107.67 107.62 116.30 116.80 (Smooth Interior) Corrugated CO-20 MH-6 MH-7 36.0 HDPE 36 inch 56.1 23.72 48.22 53.23 8.53 0.005 104.25 104.00 107.62 107.37 106.51 106.24 116.80 115.80 (Smooth Interior) Corrugated CO-21 MH-7 0-2 36.0 HDPE 36 inch 54.2 26.56 51.06 74.50 11.35 0.007 92.40 92.00 95.90 95.62 94.72 93.99 115.80 100.00 (Smooth Interior) Corrugated CO-22 CB-208 CB-205 24.0 HDPE 24 inch 62.5 3.26 3.26 20.71 4.81 0.005 113.15 112.84 114.65 114.65 114.63 114.63 123.75 123.75 (Smooth Interior) ' Corrugated CO-23 CB-209 CB-208 24.0 HDPE 24 inch 63.4 0.94 0.94 20.22 3.28 0.005 113.45 113.15 114.66 114.66 114.66 114.66 123.65 123.75 (Smooth Interior) ' Corrugated CO-24 CB-210 CB-211 24.0 HDPE 24 inch 20.0 0.51 0.51 20.77 2.79 0,005 113.20 113.10 114.31 114.31 114.31 114.31 118.50 118.50 (Smooth Interior) ' Corrugated CO-25 CB-211 CB-212 24.0 HDPE 24 inch 31.6 1.18 1.18 20.27 3.52 0.005 113.10 112.95 114.31 114.30 114.30 114.30 118.50 120.30 (Smooth Interior) Corrugated CO-26 CB-212 CB-206 24.0 HDPE 24 inch 142.3 4.22 4.22 20.78 5.19 0.005 112.95 112.24 114.27 114.23 114.20 114.21 120.30 123.65 (Smooth Interior) Corrugated CO-27 CB-213 CB-214 24.0 HDPE 24 inch 35.5 0.47 0.47 20.94 2.72 0.005 110.50 110.32 110.82 110.79 110.75 110.78 115.50 115.50 (Smooth Interior) Corrugated CO-28 CB-214 CB-215 24.0 HDPE 24 inch 115.5 0.93 0.93 43.96 5.64 0.022 110.32 107.74 110.77 108.71 110.65 108.70 115.50 113.35 (Smooth Interior) Corrugated CO-29 CB-215 CB-216 24.0 HDPE 24 inch 54.7 1.29 1.29 24.19 4.09 0.007 107.74 107.37 108.71 108.70 108.69 108.70 113.35 111.60 (Smooth ' Interior) Corrugated CO-30 CB-216 CB-217 24.0 HDPE 24 inch 179.2 4.15 4.15 29.47 6.62 0.010 107.37 105.57 108.66 108.63 108.60 108.60 111.60 113.00 (Smooth ' Interior) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 2 of 3 i r rFlexTable: Conduit:DOT Hydraulic Grade Line Computations Label Start Node Stop Node Diameter Material Size Length System Total Capacity Velocity Slope Invert Invert(Stop) Energy Grade Energy Grade Hydraulic Hydraulic Elevation Elevation ' (in) (ft) Rational System (Full Flow) (ft/s) (Calculated) (Start) (ft) Line(In) Line(Out) Grade Line Grade Line Ground Ground Flow Flow (cfs) (ft/ft) (ft) (ft) (ft) (In) (Out) (Start) (Stop) (cfs) (cfs) (ft) (ft) (ft) (ft) Corrugated CO-31 CB-217 CB-218 24.0 HDPE 24 inch 94.8 7.59 7.59 21.36 2.41 0.005 105.57 105.07 108.58 108.51 108.49 108.42 113.00 113.60 (Smooth Interior) Corrugated CO-32 CB-218 CB-207 30.0 HDPE 30 inch 76.4 9.43 9.43 37.60 1.92 0.005 105.07 104.69 108.50 108.47 108.44 108.41 113.60 112.85 (Smooth Interior) Corrugated CO-33 CB-220 CB-207 15.0 HDPE 15 inch 32.6 1.09 1.09 5.51 0.89 0.005 106.86 106.69 108.78 108.77 108.77 108.76 111.85 112.85 (Smooth Interior) Corrugated CO-34 CB-219 CB-217 24.0 HDPE 24 inch 63.1 2.28 2.28 21.26 0.72 0.005 105.90 105.57 108.63 108.62 108.62 108.62 110.80 113.00 (Smooth Interior) r Corrugated CO-35 CB-104 CB-105 24.0 HDPE 24 inch 19.8 0.51 0.51 29.53 3.56 0.010 117.90 117.70 118.58 118.58 118.57 118.57 124.50 124.50 (Smooth Interior) Corrugated CO-36 CB-100 CB-105 15.0 HDPE 15 inch 87.6 0.61 0.61 7.52 3.69 0.010 118.55 117.70 118.96 118.62 118.86 118.62 126.50 124.50 (Smooth Interior) ' Corrugated CO-37 CB-105 CB-101 15.0 HDPE 15 inch 69.7 2.35 2.35 7.65 5.49 0.010 117.70 117.00 118.55 118.16 118.31 118.09 124.50 126.50 (Smooth Interior) ' Corrugated CO-39 CB-221 MH-7 24.0 HDPE 24 inch 101.4 4.50 4.50 20.71 5.27 0.005 107.00 106.50 108.02 107.56 107.75 107.13 114.20 115.80 (Smooth Interior) ' Corrugated CO-40 CB-102 MH-10 30.0 HDPE 30 inch 10.5 21.75 21.75 53.60 10.35 0.010 111.75 111.65 114.18 114.17 113.78 113.80 117.50 117.60 (Smooth Interior) Corrugated CO-42 MH-10 MH-11 30.0 HDPE 30 inch 10.8 21.74 21.74 51.19 10.00 0.009 111.65 111.55 114.14 114.12 113.76 113.77 117.60 117.80 (Smooth Interior) Corrugated CO-43 MH-11 0-1 30.0 HDPE 30 inch 25.5 21.73 21.73 55.58 10.63 0.011 111.55 111.30 113.82 113.71 113.14 112.60 117.80 117.00 (Smooth Interior) Corrugated CO-44 MH-12 MH-6 30.0 HDPE 30 inch 154.6 0.00 24.50 55.92 11.01 0.011 107.20 105.50 109.64 108.24 108.89 107.83 119.20 116.80 (Smooth ' Interior) Corrugated CO-45 MH-EX MH-12 30.0 HDPE 30 inch 76.9 0.00 24.50 54.38 10.79 0.010 108.00 107.20 110.44 109.95 109.69 108.47 118.00 119.20 (Smooth ' Interior) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 3 of 3 r r rFlexTable: Conduit: DOT Storm Drain Computations Start Node Stop Node Length Upstream Inlet Area Upstream Inlet C System CA System Flow System Intensity Flow Capacity(Full Diameter Velocity Invert(Start) Invert(Stop) Slope r (ft) (ft2) (ft2) Time (in/h) (cfs) Flow) (in) (ft/s) (ft) (ft) (Calculated) (min) (cfs) (ft/ft) CB-101 MH-101 206.1 7,190 0.900 23,639 5.607 5.879 3.22 28.97 24.0 6.08 117.00 115.00 0.010 MH-101 MH-102 174.0 (N/A) (N/A) 158,835 6.172 5,748 21.13 31.53 24.0 10.76 115.00 113.00 0.011 MH-102 CB-103 76.0 (N/A) (N/A) 158,835 6.442 5.667 20.83 33.76 24.0 11.30 113.00 112.00 0.013 CB-103 CB-102 25.7 43,481 0.730 190,576 10.000 4.800 21.17 29.01 24.0 10.08 112.00 111.75 0.010 MH-100 MH-101 34.1 (N/A) (N/A) 135,195 5.490 5.902 18.46 29.82 24.0 9.99 116.35 116.00 0.010 RD-107 MH-100 293.8 150,217 0.900 135,195 5.000 6.000 18.77 29.71 24.0 10.00 119.35 116.35 0.010 CB-201 CB-202 20.3 10,894 0.300 3,268 10.000 4.800 0.36 5.36 15.0 2.49 115.00 114.90 0.005 CB-202 CB-203 93.5 5,756 0.900 8,449 10.136 4.786 0.94 5.30 15.0 3.26 114.90 114.45 0.005 CB-203 CB-204 222.6 24,792 0.770 27,538 10.614 4.739 3.02 9.64 18.0 4.82 114.45 113.34 0.005 r CB-204 CB-205 103.6 41,694 0.870 63,812 11.383 4.623 6.83 20.43 24.0 5.85 113.34 112.84 0.005 CB-205 CB-206 120.3 25,165 0.860 109,222 11.678 4.564 11.54 20.77 24.0 6.79 112.84 112.24 0.005 CB-206 CB-207 243.7 13,300 0.880 159,033 11.973 4.505 16.58 73.03 30.0 12.04 112.24 107.67 0.019 r CB-207 MH-4 47.6 27,316 0.840 264,227 12.311 4.438 27.13 38.69 30.0 5.53 104.69 104.44 0.005 MH-4 MH-5 9.3 (N/A) (N/A) 264,227 12.454 4.409 26.96 55.38 30.0 5.49 104.44 104.34 0.011 MH-5 MH-6 17.6 (N/A) (N/A) 264,227 12.482 4.404 26.93 38.10 30.0 5.49 104.34 104.25 0.005 MH-6 MH-7 56.1 (N/A) (N/A) 264,233 16.203 3.880 48.22 53.23 36.0 8.53 104.25 104.00 0.005 ' MH-7 0-2 54.2 (N/A) (N/A) 296,631 16.310 3.869 51.06 74.50 36.0 11.35 92.40 92.00 0.007 CB-208 CB-205 62.5 20,001 0.850 23,768 5.322 5.936 3.26 20.71 24.0 4.81 113.15 112.84 0.005 CB-209 CB-208 63.4 9,023 0.750 6,767 5.000 6.000 0.94 20.22 24.0 3.28 113.45 113.15 0.005 CB-210 CB-211 20.0 4,115 0.900 3,704 5.000 6.000 0.51 20.77 24.0 2.79 113.20 113.10 0.005 CB-211 CB-212 31.6 11,339 0.610 10,620 10.000 4.800 1.18 20.27 24.0 3.52 113.10 112.95 0.005 CB-212 CB-206 142.3 31,961 0.860 38,107 10.150 4.785 4.22 20.78 24.0 5.19 112.95 112.24 0,005 CB-213 CB-214 35.5 3,945 0,850 3,353 5,000 6,000 0,47 20,94 24.0 2,72 110,50 110,32 0,005 r CB-214 CB-215 115.5 4,071 0.840 6,773 5.217 5.957 0.93 43.96 24.0 5.64 110.32 107.74 0.022 CB-215 CB-216 54.7 4,199 0.640 9,460 5.558 5.888 1.29 24.19 24.0 4.09 107.74 107.37 0.007 CB-216 CB-217 179.2 24,950 0.850 30,668 5.781 5.844 4.15 29.47 24.0 6.62 107.37 105.57 0.010 r CB-217 CB-218 94.8 12,571 0.860 57,879 6.452 5.664 7.59 21.36 24.0 2.41 105.57 105.07 0.005 CB-218 CB-207 76.4 18,791 0.880 74,415 7.106 5.479 9.43 37.60 30.0 1.92 105.07 104.69 0.005 CB-220 CB-207 32.6 10,042 0.780 7,833 5.000 6.000 1.09 5.51 15.0 0.89 106.86 106.69 0.005 CB-219 CB-217 63.1 18,637 0,880 16,401 5.000 6,000 2,28 21,26 24.0 0.72 105.90 105.57 0.005 r CB-104 CB-105 19.8 4,079 0.900 3,671 5.000 6.000 0.51 29.53 24.0 3.56 117.90 117.70 0.010 CB-100 CB-105 87.6 4,893 0.900 4,404 5.000 6.000 0.61 7.52 15.0 3.69 118.55 117.70 0.010 CB-105 CB-101 69.7 11,511 0.790 17,168 5.396 5,921 2.35 7.65 15.0 5.49 117.70 117.00 0.010 r CB-221 MH-7 101.4 40,498 0.800 32,398 5.000 6.000 4.50 20.71 24.0 5.27 107.00 106.50 0.005 CB-102 MH-10 10.5 6,009 0.900 195,984 10.042 4.796 21.75 53.60 30.0 10.35 111.75 111.65 0.010 MH-10 MH-11 10.8 (N/A) (N/A) 195,984 10.058 4.794 21.74 51.19 30.0 10.00 111.65 111.55 0.009 MH-11 0-1 25.5 (N/A) (N/A) 195,984 10.076 4.792 21.73 55.58 30.0 10.63 111.55 111.30 0.011 r MH-12 MH-6 154.6 (N/A) (N/A) 6 15.969 3.903 24.50 55.92 30.0 11.01 107.20 105.50 0.011 MH-EX I MH-12 76.9 (N/A) I (N/A) 1 61 15.8501 3.9151 24.501 54.381 30.01 10.791 108.00 1 107.201 0.010 r r r Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 r 1 ' FlexTable: Conduit:DOT Hydraulic Grade Line Computations Label Start Node Stop Node Diameter Material Size Length System Total Capacity velocity Slope Invert Invert(Stop) Energy Grade Energy Grade Hydraulic Hydraulic Elevation Elevation ' (in) (ft) Rational System (Full Flow) (ft/s) (Calculated) (Start) (ft) Line(In) Line(Out) Grade Line Grade Line Ground Ground Flow Flow (cfs) (ft/ft) (ft) (ft) (ft) (In) (Out) (Start) (Stop) (cfs) (cfs) (ft) (ft) (ft) (ft) CO-47 H-400 MH-400 36.0 <None> <None> (N/A) 1 0.00 1 191.02 257.46 19.94 0.022 105.50 104.00 111.29 110.47 108.38 106.31 120.00 118.00 CO-48 MH-400 10-400 36.0 <None> <None> 33.5 0.00 191.02 245.62 19.20 0.020 95.30 95.00 101.09 1 100.93 98.18 97.61 118.00 100.00 r Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471802 CULVERT.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 r ' FlexTable: Conduit: DOT Storm Drain Computations Start Node Stop Node Length Upstream Inlet Area Upstream Inlet C System CA System Flow System Intensity Flow Capacity(Full Diameter Velocity Invert(Start) Invert(Stop) Slope ' (ft) (ftz) (ftz) Time (in/h) (cfs) Flow) (in) (ft/s) (ft) (ft) (Calculated) (min) (cfs) (ft/ft) H-400 MH-400 (N/A) (N/A) (N/A) 0 0.000 8.000 191.02 257.46 36.0 19.94 105.50 104.00 0.022 MH-400 0-400 33.5 (N/A) (N/A) 0 0.057 8.000 191.02 245.62 36.0 19.20 95.30 95.00 0.020 r Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471802 CULVERT.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 ' 12/14/2115 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 r ' Profile Report Engineering Profile - CB-220 to MH-7 (C-DAT-13C471801 PROPOSED PIPES.stsw) 120.00 MH-7 TF:115.80It - HGL In: 4 it CB-221 HGL Out't:94.72 ft TF:114.20It Invert In(1):104.00'ft;(2)106.50 It HGL In:107.75 ft Invert Out:92.40 ft HGL Out:107.75It 115.00 _.... _..- -Invert-In"1 _(NIA).ft. ' ut 107.00 It ' 110.00 _ CO-39:100.8It @ 0.00 ' Circle-24.0 in Corruget i HDPE Ism th Interior) 105.00 __........ _..... _. _.. _.... ___..... . w O-2 Rim:100.00It Invert:90.00 It ' 100.00 @ 0.007 Wit Circle-36:0 n Corrugated HDPE(Smooth Interior) 90.00 -0+50 0+00 0+50 1+00 1+50 2+00 ' Station(ft) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 ' Profile Report Engineering Profile - CB-220 to CB-207 (C-DAT-13C471801 PROPOSED PIPES.stsw) ' MH-0 CB-220 TF: In:.10 fl TF:111.85 itHGHGL In:10077 ft HGL In:108.77 ft HGL On(1):1.73 ft HGL Out:108.77 ft Invert O t:)1 104.44 N(2)(N/A)fl Invert In 11).(N/A)ft;121(N/A)ft Invert Out:104.44 ft ' Invert Out:106.86ft MH-5 TF:116.30 it CB-207 HGL In:107.71 it TF:112.85 ft HGL Out:107.67 ft HGL In:108.30 it Invert In(1):104.34 ft;(2)(N/A)it HGL Out.107.1 ft Invert Out:104.34 ft Invert in(1):107.61 ft;(2 104 9ft Invert Col. 104.69ft MH-6 120.00 "'HGL 16.807.td ft --- HGLOu:10651ft- Invert ln(1):10425 it;(2)105.50ft Invert Out:104.25 it MH-7 TF:115.80it HGL In:95 42 ft HGL Out:94.72 it Invert In(1):104.00 ft;(2)106.50 ft 115.00 --- --- Invert Out 92.40it CO-2( A .005 110.00 - _.. ___ Circle- .O in @ rugate/ft rugaled HDPE ISrnoahlnterwr) 105.00 Lu CO-19:17.6 it @ 0.005 Wit Circle-30.0 in Corrugated H E(Smooth Interior) 0.2 Rim:100.0011 CO-18;9.3 it @ 0.011 ft/ft Invert:90.Wft ' Circle-30.0 in Corrugated HDPE[Srth Intenor) 100.00 ---CO-17 47.5 It @ 0.0115 fiM------ Circle-300 in Corrugated HDPE(Smooth Interior) Circle-15.0 in Corrugated HDPE(Smooth Interior) @ 0.007 Nit Circle-36.0 n Corrugated HDPE(Smooth Interior) 1 90.00 _ -0+50 0+00 0+50 1+00 1+50 2+00 2+50 1 Station(ft) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 ' Profile Report Engineering Profile - CB-219 to CB-217 (C-DAT-13C471801 PROPOSED PIPES.stsw) ' CB-218 CB-217 TF: 113.60 ft CB-207 115.00 TF: 113.00 ft HGL In: 108.42 ft TF: 112.85 ft HGL In: 108.53 ft HGL Out: 108.44 ft' HGL Out: 108.49 ft Invert In(1): 105.07 ft;(2)(N/A)ft HGL In: 108.30 ftHGL Out: 107.90 ft CB-219 Invert In(1): 105.57 ft;(2) 105.57 Invert Out: 105.67 ft Invert In(1): 107.67 ft;(2) 104.69 ft TF: 110.80 ft Invert Out: 104.69 ft ' HGL In: 108.62 ft HGL Out: 2 ft In n(1):(N/A)ft;(2)( / )ft nvert Out: 105.90 ft ' 110.00 16 0 CO-34:63.1 ft 0.005 ft/ Circle-24.0 in rrugated HDPE(Sm @Pr&i .8 ft @ 0.00 ft w Circle-24.0 in Corn t d HDPE(Smoot CO-32:76.4 ft @ 05 ft/ft ' r 30.0 in Cor gated HDPE(Smooth Interior) 105.00 Li 100.00 -0+50 0+00 0+50 1+00 1+50 2+00 2+50 ' Station(ft) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 ' Profile Report Engineering Profile - CB-213 to 0-2 (C-DAT-13C471801 PROPOSED PIPES.stsw) ' MH4 TF:116.10 ft HGL In:107.77 ft HGL Out 107.73 ft Invert In(1).104.44 ft;(2)(N/A)ft Invert Out 104.44 ft TF:1 TF:116.30 R HGL In:107.71 ft CB-213 HGL Out:107.67 ft TF:115.50 ft Invert In(1):104.34 it;(2)(N/A)It HGL In:110.75 It Invert Out:104.34 R ' HGL Out:110.75ft _ Invert In(1):(N/A)ft;(2)(N/A)it TMF:616 80 ft Invert Out:110.50 R HGL In:107.14 R 120.00 - HGL Out:106.51 ft -CB-207 -- Invert In(1):104.25 ft,(2)105.50it TF:112.85R Inven Out:104.25it CB-214 CB-216 CB 218 HGL In:10630ft - TF115.SOft TF 11160fl TF:11360R HGL Out 107.90 ft. MH7 HGL In.110.68fl TF 11580fl ' HGLI 108.64R (2) 04.69R HGLI 95.42fl HGL Out:110.65fl CB:-217 HGL In.108.42R Invert In 10767 HGL Oul.108.60ft TF:.113.00It HGL Out,108.44it Invert Out.104.69ft Invert In(1):110.32 ft;(2)(N/A)ft HGLO t:94.72R Invert Out 11032ft invert v rtl (1);107.37 ft;(2)IN/A)fl HGL In:10653ft Invert In(1p105.07 ft;(2)(N/A)ft I v rtl (1):104.00 ft;(2)106.SOR CB215 Invert Out:107.37 ft HGL Out.108.49It Invert Out.10507 R In rtOut::104.92.40 ft TF:113.35 ft Invert In(1):105.57 ft;(2)105.57 ft 115.00 . ..HGL.In:108.70ft Invert Out.-105.57R. _.. _. HGL Out 108.69ft -- - \0.005 Invert In(1):107.74 ft;(2)N/A)it ' Invert Out 107.74 ft CO-31:94.8It .005 R/fl 110.00 _ _.. _ .. ._.._.. _..... _._... _.. _ _...... -Circle.-24.0.in. tea HDPE.(Smooth Interior) _.... Ci :35.0m Co fgated GWnt 175 In Comj02: Nit Cir -24.0 in Comgatetl HDPE(Smo6fmAete0Ar9 in Comga HDPE(Smoo pp--29 7 ft @ miga ed c IFLI$r�4 0 in Conugaletl HDPE(Smooth Interior) ' $ 105.00 ___.. ... _....._ _...... - C030:7792f1@0.010XM(.._. _oth Interior) 0-2 Rim:100.00ft ft/ Invert:90.00 ft i ed D E(Smooth Interior) 100.0000-19:176ft@0:Circle-30.0 m Co Inten r) CO-18:9.3 it @ 0.011 Rift Cucle 30.0 in Corrugated PE(Smooth Interior) 1 fLft CO 32:76.4 R @ 0.00511/fl C 3001n 0.005ted HDPE(Smooth i ador). 95.00 Circle 300 in Crimpted HOPE(Smooth Interior) 90.00 _... _.... fq2l:54.2ft@0.007 ftRt e-36.Oln Corrugated HDPE(Smoothlnterior) -0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+01) 4+50 5+00 5+50 6+00 6+50 7+00 7+50 1 Station(ft) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 ' Profile Report Engineering Profile - CB-210 to CB-206 (C-DAT-13C471801 PROPOSED PIPES.stsw) ' CB-210 TF:118.50 ft HGL In:114.31 ft CB-206 HGL Out:114.31 ft TF:123.65 ft Invert In(1):(N/A)ft;(2)(N/A)ft HGL In:113.68 ft 125.00 - Invert Out:113.20 ft HGL Out:11162 ft ' Invert In(1):112.24 ft;(2)112.24 ft CB-211 Invert Out:112.24 ft TF:118.50 ft HGL In:114.30 ft HGL Out:11430 ft Invert In(1):113.10 ft;(2)(N/A)ft Invert Out:113 111.10 ft 120.00 CB-212 TF:120.30 ft ' HGL In:114.24 ft HGL Out:114.20 ft Invert In(1):112.95 ft;(2)(N/A)ft nvert Out:112.95 ft CB-207 115.00 TF:112.85 ft HGL In:108.30 ft HGL 0ut:107.90 ft x Circle-24.0 in Corrugated HDPE(N th Interior) overt In(1):107.67 ft;(2)104.69 ft o Invert Out:104.69 ft W Ciirrcle-30.0 in Corrugated ooth;interior) 110.00 - R0-,2 31.6'ft @ 0.005 Wit _. ' irca-24.0 in Corrugated HDPE(Smooth Interior) Li CO-24:26.0 ft @ 0.005 Wit Circle-24.0 in Corrugated HDPE(Smooth Interior) 105.00 100.00 -0+50 0+00 0+50 1+00 1+50 + -- + 2 00 2 50 3+00 3+50 4+00 4+50 Station ft Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 Profile Report Engineering Profile - CB-209 to CB-205 (C-DAT-13C471801 PROPOSED PIPES.stsw) CB-209 CB-208 CB-205 CB-206 TF:123.65 ft TF:123.75 ft TF:123.75 ft TF:123.65 It HGL In:114.66 ft HGL In:114.64 ft HGL In:114.13 ft HGL In:113.68 ft 125.00 HGL Out._t14.66 ft HGL Out:114.63It - HGL Out:114.06 R HGL Out:113.62 ft Invert In(1):(N/A)ft;(2)(N/ )ft Invert In(1):113.15 ft;(2)( /A)fhvert In(1):112.84 ft;(2)112.84 ft Invert In(1):112.24 ftj(2)112.24 ft 112.84 ft Invert Out:112.24 ft 120.00 CO-1 5:120.3 ft @ 0 5 ft/ft Circle-24.0 in Corr ted HDPE(Smooth Interior) CB-207 ' 115.00 _ TF:112.85 ft HGL In:108.30 ft HGL Out:107.90 It Invert In(1):107.67 ft;(2)104.69 ft o 'Invert Out:104.69 ft W CO-22:6 . ft @ 0.005 II: Circle-2 . in Corrugated HDPE(Smooth Interior) 110.00 CO-23:63. @ 0.005 ft/ft Circle-24. i Corrugated HDPE(Smooth l t nor) CO-16:243.6 ft @ 0.019 ft/ft Circle-30.6 in Corrugated HDPE(Smooth Interior) 105.00 100.00 -0+50 0+00 0+50 _ 1+00 1+50 2+00 2+50 3+00 3+50 _ 4+00 4+50 5 00 Station(ft) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 Profile Report Engineering Profile - CB-201 to CB-207 (C-DAT-13C471801 PROPOSED PIPES.stsw) 1 HG In 01 TF:126.00 ft HGL ut 5.15. fl O HGL Out:115.4]fi Invert In(1):(N/A)fl;(2)(WA)4 Invert Out:115.00 It C6.202 TF.127.50it C&03 130.00 -.. - HGLO.:115.39 -..... - TF 12800fl -.-. -....-... -.-..-.. _- -.. -.-...... TF 07 112.8511 12 .... .. -....-- IiGLOut 1141It it HGLI 00It ----TF 11285fl- Inert 1.(1):114.90 fl;(2)(WA)ItHGLO C11511ft HGLI 108.30fl Invert Our 114.90 It I ertl(1):114.45 fl;(2)(WA)It HGLO CI07.9Dfl Invert Out:114.45 ft CB-204 Invert In(1):107.67 fl.(2)10069It TF:125.25fl Invert Out:104.6911 HGLIn:114.69ft MH4 HGLOut.114.64fl 'C&205 TF:116.10fl TF:123.75 fl CB 206 _HGL In 107.77 fl I-nftl(1):113.34ft;(2)(N/A)fi TF 123.65fl HGLO L107.73R -.-... -.. _..... Invert Out 113.34fl .HGLI HaOut 4..06 HGLI 113.68ft J.rn In. _.. 125.00 - 1..nIn 1):116ft- - --IHOL-In():112.fl Invert Oul')10444flR,(2)(WA)fl _ Invertl (1)1112.84 fl;12)112.84fl Imertl (1):11224 ft.(2)11224fl t 112.84 fij Invert Out 11224 fl TF:116.W ft HGL In:107.71 R HGL OUL 107.6711 Inverl In(1):104.34 ft;(2)(NIA)ft -. -.-... -.. Irrvert Out 104.34fl - 120.00 - -- - TF 116.80fl -CO-1 1:20.3It@0.005M HGL In 107.14fl Circle-15.01n Corrugatetl HOPE(Smooth 1 MH-7 error) HGL Out:106.51 ft Invertln(1):104.25ft;(2)l05.50ft TF:11580It Invert Out 104.25ft HGL In:95.42fl HGL Out 94.72 it 115.00 Out 9240ft CO-12:93.5ft .005fi/fl -.....-. _..... CrGe 15.0 in.... gated HOPE(Smooth Interior)... -.. _... -. -.. jl z CO-13 2226ft@0.005ftM c Crde 18.0 nConugatetl HDPE(Smooth Interior) CO.15:120.3ft@0005 .4 11000 Circle.-24.0m Comrya DPE(Smooth interior) & CO-14:-103.6it@ 5RIR (mooN Interior): Cncle-24.Oin Co IetlHDPE S ' Ci.6- .OinCrru-0.0191 CacIe'243.n CogatedHDPE(Smooth lnte or) 105.00 C0 20 8 fl @.0,005 fl(ft Po0:m2:100.00 fl tj Cgde O m Corrugated HOP 81i@W!90)00 ft CO-19:17.6 ft @ 0.005 PoR 100.00 .... _ -. _. -. -...... - - -. -..-..... _._... - _. Circle-30.0 in Crn-upletl PE(5-M Interior_) 89 3 fl @ 0.0111Vft -30.OinConugatedHDP Smooth Interior)00511/fl Circle 30.0 in Corrugated HDPE(Smooth Int ) CO-21: .2 ft @ 0.007 M Circle- .0 in Corrugated HDPE(Smooth Imene,) 90.00 -0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 5+00 5+50 6+OD 6+50 7+00 7+50 8+00 8+50 9+00 9+50 10+00 SlaBon(R) i r Bentley StormCAD V8i(SELECTseries 5 C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 ' Profile Report Engineering Profile - CB-107 to MH-101 (C-DAT-13C471801 PROPOSED PIPES.stsw) ' RD-107 TF:129.00 ft HGL In:120.91 ft MH-100 130.00 HGL Out:120.91 ft _ TF:128.00 ft HGL In 118.17 ft Invert In(1):(N/A)ft;(2)(N/A)ft �IH 1p1 Invert Out:119.35 ft HGL Out:117.90 Invert In(1):116.3Ffl:1 440 A)ft Invert Out:116 SiGL In:117.22 ft HGL Out:116.65 ft ' Invertlin(1):115.00 ft;(2)116.00 ft Invert Out:115.00 ft 125.00 _ c 120.00 w orrugated HDPE(Smoo CO- ' Circ e- .0 in Corrugated HDPE(Smooth Interior) 115.00 x 110.00 -0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 ' Station(ft) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 Profile Report Engineering Profile - CB-104 to CB-105 (C-DAT-13C471801 PROPOSED PIPES.stsw) CB-104 CB-105 TF: 124.50Tff: 124.50 ft HGL In: 1111WI1: 118.34 ft HGL t: M81..5O& 118.31 ft 125.00 Inve .n(1K"-#j X2)jR/7Q ft;(2)117.70 ft OutItURM411 117.70 ft ( I 120.00 CO3 : 19.8ft@0.Q10ft/ft Cir I -24.0 in Corrugated HDPE(Smooth Interior) c 0 io W 115.00 I I I110.00 -0+50 0+00 0+50 I IStation(ft) I Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 I ' Profile Report Engineering Profile - CB-100 to 0-1 (C-DAT-13C471801 PROPOSED PIPES.stsw) CB-103 TF:117.50 It HGL In:114.30 It HGL Out:113.74 It 130.00 - _...._. _. _.. _... _ __. Invert In(1):112.00 ft;(2)(N/A)ft ' CB-100 CB-105 _ .. -- _. __..._ _ - ___._ - __._ _. . __._.. _. _. TF:124.50 ft CB-101 MH-101 Tnvert112.00 k TF:126 50 ft HGL In:118.34 ft TF:126.50 ft TF:10140 ft CB-102 HGL In:118.16 ft HGL Out:118.31 It HGL In:118.01 It HGL 126.40 ft TF:117.50 ft HGL Out:118.86 ft - HGL Out:118.10 ft Invert In(1):117.70 ft;(2)117.70 HGL Out:117 16.65 ft HGL In:113.74It Invert In(1):(N/A)ft(2)(N/A)ft Invert Out:117.70 ft Invert In(1):117.00 ft;(2)(N/A)ft Invert In(1):115.00 ft;(2)116.00 It HGL Out:113.78 It Invert Out:118.55 ft JP Invert Out:115.00 It : Invert In(1):111.75 ft;(2)(N/A)ft Invert Out:111.75 It 125.00 _.... .. _... MH-10 TF:'117-60 It HGL In:113.79 ft HGL Out:113.76 ft Invert In(1):111.65 ft;(2)(N/A)ft ' - MH-102 Invert Out:111.65 ft TF:119.00It MH.11 HGL In:115.06 ft TF:i:117.80 ft 120.00 _._.. _...._ .-.__. _._.. _._.. _..- . ..... _..... HGL Out:114.64 ft HGL In:113.44 ft ... Invert In(1):113.00 ft;(2)(N/A)k_... ...... _...... - �L Out:113.14 ft Invert Out:113.00 It I 0 ll11.55.55 It ft;(2)(N/A)It c 115.00 _. 7C.3 .76flo __.-.. -'11n 010R/fCugated HDPE(Smooth Interior) CO-2:206.1 ft @ 0.010 ft/ftw 10 ft/it Circle-24.0 in Corrugated HDPE(Smooth Interior) Circle-15.0 m Corrugated HDPE(Smoot _ ' CO-3:174.0 It 0.011 eRt C Circle-24.0 in Corrugated HDPE(Smooth Interior) CO-43:23.0 It @ 0.011 ft/ft 110.00 '_... _..__ _.-_. _... __.._._ __. _ _. .. _._. _.. _... _. __. __.-- __. .. _.. _... Circle-30.0 in Corrugated HDPE(Smooth Interior) CO-02:10.8 It @ 0.009 Mtt ' Citcle-30.0 in Corrugated HDPE(Smooth Interior)C6-40:9.9 It @ 0.010 ftKt Circle-30.0 in Corrugated HDPE(Smooth Interior) CO-6:25.7 ft @ 0.010 ft/ft - - Circle-24.0 in Corrugated HDPE(Smooth Interior) 105.00 -- - ' ..._... _.... _.. ._.._. 4 __... _.._.. _ _.. _._ _ _..._ _ _... - _. _._ ... _ CO-4:75.9ft@0.013 ft/ft Circle-24.0 in Corrugated HDPE(Smooth Interior) 100.00 -0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 _.....4+50 5+00 _...... 5+50... 6+00. ._. _. 6+50 7+00 ' Station(ft) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471801 PROPOSED PIPES.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.581 ' 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA +1-203-755-1666 Page 1 of 1 Profile Report Engineering Profile - CB-31 to 0-3 (C-DAT-13C471802 CULVERT.stsw) MH.400 120.00 TF 118.0On HGL In:98.h8 fl HGL OM 9B.18 n mefl In(1%104.00 fl:(2)(NIA)fl 115.00 llom ' Imes Out:95.30fl w CO4J Clrpy.36.0m 0..p o-ngo Rim:loom 95600 '. Invert: .DOk 100.00 ... _ .. C q 36.0'rn®0.020 NR 95.00 _ A+50 0— 0-50 1.00 S29 (i) Bentley StormCAD V8i(SELECTseries 5) C-DAT-13C471802 CULVERT.stsw Bentley Systems,Inc. Haestad Methods Solution Center [08.11.05.58] 12/14/2015 27 Siemon Company Drive Suite 200 W Watertown,CT 06795 USA Page 1 of 1 +1-203-755-1666 Appendix D: Water Quality Calculations ' Water Quality Calculations Flow Splitter Calculations HDS Sizing Treatment Train t 12 ' WQF Printed 12/14,2015 6:27 PM ' Water Quality Calculations Determine Water Quality Flow From CT 2004 Sformwat.r Quality Manual: CN— 1000 CN=Runoff Curve Number l P=design preciptation,inches,(1"for water quality stone) 110+5P+1 OQ—10(Q2+1.25QPY2 J Q=runoff depth(in watershed inches) ' T,=time of concentration Ia=Initial abstraction,inches,from Table 4-1,Chapter 4,TR-55 [WQV(acre—feet)x[12(inches l foot)A q=unit peak discharge, Q= DrainageArea(acres) WQF=water quality flow lots) ' WQF=(9„XAXQ) Hydrodynamic Facility Total Area Imp Area Imp Cover R WQV Q P CN T� I, k4O „' WQF Area Separator ID ft� ac mI, ft' ac % i acre-feet in in mans hourstinmilri. ds PDA-1A HDS-1 337,974 7.7591 0.0121 279,296 _ 6Al2 82.64 0.794 0513 0.79 1.00 98 800.13 50 6.23 PDA-2 HDS-2 296,206 '.6.800 0.0106 218,236 5.010 73.88 0.713 0.404 0.71 1.00 97 5.0 0.08 4.83PDA-111 HDS-3 40,99li 0.941 0,0015 36,078 0.828 117.99 0.842 0.088 0.84 1.00 99 5.0 0.08 0.79 1 From Exhibil4-1II:Unit peak discharge(q„)for SCS type III rainfall distribution,Urban Hydrology for Small Watersheds(TR-55),USDS<SCS,June 1986. r G:IJOBS14114C51151ENG\C-DAT-14C5115-CTDEEP WQV Calculations.xls Page 1 of 1 ' PROJECT Retail Development-Evergreen Walk,South Windsor CT PREPARED BY M.Anderson DATE 12/7/2015 CHECKED BY E.Pierides SUBJECT Splitter Manhole Calculation ' MH-4 To HDS-1: WQF= 7.07 cfs Low Flow Orifice Overflow Weir e Orifice A Orifice"C" ' Dia. In. Inv.Elev. Bottom El. Height Ft. Length Ft. (s.f.) 18 104.44 104.44 1.50 4.00 1.767 0.6 W.S. Elev. H(Orifice) Q(Orifice) H(Weir) Q(Weir) Q(Total) ft. ft. cfs ft. cfs cfs 105.94 0.75 7.37 0.00 0.00 7.37 106.04 0.85 7.84 0.10 0.42 8.27 106.14 0.95 8.29 0.20 1.19 9.48 106.24 1.05 8.72 0.30 2.19 10.91 ' 106.34 1.15 9.12 0.40 3.37 12.49 106.44 1.25 9.51 0.50 4.71 14.22 106.54 1.35 9.89 0.60 6.19 16.08 106.64 1.45 10.25 0.70 7.80 18.05 106.74 1.55 10.59 0.80 9.53 20.12 106.84 1.65 10.93 0.90 11.37 22.30 106.94 1.75 11.26 1.00 13.32 24.58 107.04 1.85 11.57 1.10 15.37 26.94 107.14 1.95 11.88 1.20 17.51 29.39 107.24 2.05 12.18 1.30 19.74 31.93 107.34 2.15 12.48 1.40 22.06 34.54 107.44 2.25 12.76 1.50 24.47 37.23 ' 107.54 2.35 13.04 1.60 26.96 40.00 107.64 2.45 13.32 1.70 29.52 42.84 107.74 2.55 13.59 1.80 32.17 45.75 ' 107.84 2.65 13.85 1.90 34.88 48.74 107.94 2.75 14.11 2.00 37.67 51.78 108.04 2.85 14.36 2.10 40.54 54.90 108.14 2.95 14.61 2.20 43.46 58.08 108.24 3.05 14.86 2.30 46.46 61.32 ' 108.34 3.15 15.10 2.40 49.52 64.63 108.44 3.25 15.34 2.50 52.65 67.99 108.54 3.35 15.57 2.60 55.84 71.42 108.64 3.45 15.80 2.70 59.09 74.90 108.74 3.55 16.03 2.80 62.41 78.44 108.84 3.65 16.26 2.90 65.78 82.04 108.94 3.75 16.48 3.00 69.21 85.69 109.04 3.85 16.69 3.10 72.70 89.40 109.14 3.95 16.91 3.20 76.25 93.16 109.24 4.05 17.12 3.30 79.85 96.97 109.34 4.15 17.33 3.40 83.51 100.84 109.39 4.20 17.44 3.45 85.36 102.79 109.44 4.25 17.54 3.50 87.22 104.76 109.54 4.35 17.75 3.60 90.98 108.73 ' PROJECT Retail Development-Evergreen Walk, South Windsor CT PREPARED BY M.Anderson DATE 12/7/2015 CHECKED BY E.Pierides SUBJECT Splitter Manhole Calculation MH-10 To HDS-2: WQF= 4.83 cfs Low Flow Orifice Overflow Weir Orifice A Orifice"C" Dia. In. Inv. Elev. Bottom E1.777Hei ht Ft. Length Ft. (s.f.) 15 111.65 1111.65 1.40 4.00 1.227 0.6 W.S. Elev. H(Orifice) Q(Orifice) H(Weir) Q(Weir) Q(Total) ft. ft. cfs ft. cfs cfs ' 113.05 0.78 5.20 0.00 0.00 5.20 113.15 0.88 5.53 0.10 0.42 5.95 113.25 0.97 5.83 0.20 1.19 7.03 113.35 1.07 6.13 0.30 2.19 8.31 ' 113.45 1.17 6.40 0.40 3.37 9.77 113.55 1.27 6.67 0.50 4.71 11.38 113.65 1.37 6.93 0.60 6.19 13.12 113.75 1.47 7.18 0.70 7.80 14.98 ' 113.85 1.57 7.42 0.80 9.53 16.95 113.95 1.67 7.65 0.90 11.37 19.02 114.05 1.77 7.87 1.00 13.32 21.19 114.15 1.87 8.09 1.10 15.37 23.46 ' 114.25 1.97 8.30 1.20 17.51 25.81 114.35 2.07 8.51 1.30 19.74 28.25 114.45 2.17 8.71 1.40 22.06 30.78 ' 114.55 2.27 8.91 1.50 24.47 33.38 114.65 2.37 9.11 1.60 26.96 36.06 114.75 2.47 9.30 1.70 29.52 38.82 114.85 2.57 9.48 1.80 32.17 41.65 114.95 2.67 9.66 1.90 34.88 44.55 115.05 2.77 9.84 2.00 37.67 47.52 115.15 2.87 10.02 2.10 40.54 50.55 115.25 2.97 10.19 2.20 43.46 53.66 115.35 1 3.07 10.36 2.30 46.46 56.82 115.45 3.17 10.53 2.40 49.52 60.05 115.55 3.27 10.69 2.50 52.65 63.34 115.65 3.37 10.85 2.60 55.84 66.70 115.75 3.47 11.01 2.70 59.09 70.11 115.85 3.57 11.17 2.80 62.41 73.58 115.95 3.67 11.33 2.90 65.78 77.11 116.05 3.77 11.48 3.00 69.21 80.69 116.15 3.87 11.63 3.10 72.70 84.33 116.25 3.97 11.78 3.20 76.25 88.03 116.35 4.07 11.93 3.30 79.85 91.78 116.45 4.17 12.07 3.40 83.51 95.58 116.50 4.22 12.15 3.45 85.36 97.50 116.55 4.27 12.22 3.50 87.22 99.43 116.65 4.37 12.36 3.60 90.98 103.34 r Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 2-PERFORMANCE MATRIX FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS Product Model Maaum�tunQF�( $� Do�unsteam Flogard High E .CDS HydroguT.: ,Stormceptor. 'Stormceptor .;Yortechs „ Yortsentry' V2Bl. Defenaier. QSR STC v . 0 . . 4-ft DVS-36 2015-4G;2015-4 HG 4 065 450 1000 VS30 2 0 4-ft DVS-36 2015-4G;2015-4 HG 4 065 900 1000 VS30 2 0.� 4-ft DVS-36 2015-4G;2015-4 HG 4 065 900 1000 VS40 2 0 9 " 4-ft DVS-48 2015-4G;2015-4 HG 4 140 900 1000 VS40 2 0. 4-ft DVS-48 2015-4G;2015-4 HG 4 140 900 1000 VS40 2 4-ft DVS-48 2015-4G;2015-4 HG 4 140 1200 1000 VS40 3 4-ft DVS-48 2015-4G;2015-4 HG 4 140 1800 1000 VS40 3 1.1 4-ft DVS-48 2015-4G;2015-4 HG 4 140 1800 1000 VS40 4 1, 6-ft DVS-48 2015 HG 5 140 2400 1000 VS50 4 1,3 6-ft DVS-60 2015 HG 5 140 2400 1000 VS50 4 6-ft DVS-60 2015 HG 5 140 2400 2000 VS50 4 1. 6-ft DVS-60 2020 HG 5 140 2400 2000 VS50 6 1. 6-ft DVS-60 2020 HG 5 140 2400 2000 VS50 6 1: 6-ft DVS-60 2020 HG 5 250 2400 2000 VS50 6 1 ,>; 6-ft DVS-60 2020 HG 6 250 2400 2000 VS50 7 6-ft DVS-60 2020 HG 6 250 3600 2000 VS60 7 �. 6-ft DVS-60 2020 HG 6 250 3600 2000 VS60 7 6-ft DVS-60 2020 HG 6 250 3600 2000 VS60 9 2 2 6-ft DVS-72 2025 HG 6 250 3600 2000 VS60 8 2.3 6-ft DVS-72 3020,3020-D HG 6 250 3600 2000 VS60 8 2: 6-ft DVS-72 3035;3035-D HG 6 250 4800 2000 VS60 8 2. 6-ft DVS-72 3035;3035-D HG 6 250 4800 3000 VS60 10 2 6 6-ft DVS-72 3035;3035-D HG 6 250 4800 3000 VS60 11 2 6-ft DVS-72 3035;3035-D HG 7 250 4800 3000 VS60 11 2.8 6-ft DVS-72 3035;3035-D HG 7 250 4800 3000 VS70 11 6-ft DVS-72 3035;3035-D HG 7 250 1 4800 3000 VS70 12 3.q 6-ft DVS-72 3035;3035-D HG 7 390 4800 3000 VS70 12 Hydraulics&Drainage Section April 2010 B-1 Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 2-PERFORMANCE MATRIX FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS(continued) Produci Model Max�m�u7m cfs�tr SDowzrstremn. Flogard " High Eff,CDS" - Hydroguard Stor wiVor Stormceptor,' Yortechs vortseritry Y2B1 < ,Defender.:.r.> OSR S . 3: ' 8-ft DVS-72 3035;3035-D HG 7 390 4800 3000 VS70 12 3. 8-ft DVS-72 3035;3035-D HG 7 390 4800 3000 VS70 12 8-ft DVS-72 3035;3035-D HG 7 390 4800 3000 VS70 14 3 8-ft DVS-72 3035;3035-D HG 7 390 6000 3000 VS70 14 3030;3030-DV,3030-D• 5 8-ft DVS-72 4030-D HG 7 390 6000 3000 VS70 14 G ' 3 8-ft DVS-72 4030 HG 7 390 6000 3000 VS70 14 3. 8-ft DVS-84 4030 HG 8 390 6000 3000 VS70 14 '$ 8-ft DVS-84 4030 HG 8 390 6000 4000 1 VS70 13 -77 8-ft DVS-84 4030 HG 8 390 7200 4000 VS70 15 4, 8-ft DVS-84 4030 HG 8 390 7200 4000 VS80 15 4 I 8-ft DVS-84 4030 HG 8 390 7200 4000 VS80 15 8-ft DVS-84 4030 HG 8 390 7200 4000 VS80 16 8-ft DVS-84 4030 HG 8 390 7200 4000 VS80 16 8-ft DVS-84 4030 HG 8 390 7200 4000 VS80 16 4. 8-ft DVS-84 4030 HG 8 390 7200 4000 VS80 16 8-ft DVS-84 5640-D HG 8 390 7200 4000 VS80 17 4: 8-ft DVS-84 5640-D HG 8 390 7200 4000 VS80 17 4 k 8-ft DVS-84 5640-D HG 8 390 7200 4000 VS80 17 8-ft DVS-84 5640-D HG 8 390 11000s 4000 VS80 17 5. 8-ft DVS-84 5640-D HG 9 390 11000s 4000 VS80 19 5 8-ft DVS-84 4040-D HG 9 390 11000s 4000 VS80 20 >' S 8-ft DVS-96 4040-D HG 9 390 11000s 4000 VS100 20 8-ft DVS-96 4045-D HG 9 390 11000s 5000 VS100 18 56 8-ft DVS-96 4045-D HG 9 560 11000s 5000 VS100 18 G.b 8-ft DVS-96 4040 HG 9 560 11000s 5000 VS100 18 6.1 8-ft DVS-96 4040 HG 9 560 11000s 5000 1 VS100 21 Hydraulics&Drainage Section April 2010 B-2 Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 2-PERFORMANCE MATRIX FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS(continued) Pr-oduct Model 1VIaximum QF(cfs� Downstream Stormceptor' ';Stormceptor . Flvgard Hagh Eff CDS Hydroguard Yortechs_ fr sentry Defender '" OSIt STC _. . 6 x 8-ft DVS-96 4040 HG 9 560 11000s 5000 VS100 25 10-ft DVS-96 4040 HG 9 560 11000s 5000 VS100 25 10-ft DVS-96 4040 HG 10 560 11000s 5000 VS100 25 6.� 10-ft DVS-96 4040 HG 10 560 11000s 5000 VS100 25 7:0 10-ft DVS-96 4040 HG 10 560 11000s 5000 VS100 22 7.1 7 10-ft DVS-96 5042-D HG 10 560 11000s 5000 VS100 22 7.2 10-ft DVS-96 5042-D HG 10 560 13000s 5000 VS100 22 7. 10-ft DVS-96 4045 HG 10 560 13000s 5000 VS100 22 7. 10-ft DVS-96 5653-D HG 10 560 13000s 7000 VS100 22 7. 10-ft DVS-120 5653-D HG 10 560 13000s 7000 VS100 22 7: 10-ft DVS-120 5653-D HG 10 560 13000s 7000 VS100 50 10-ft DVS-120 5653-D HG 10 780 13000s 7000 VS100 50 $b , 10-ft DVS-120 5658-D HG 10 780 13000s 7000 VS100 50 8. , 10-ft DVS-120 5658-D HG 10 780 16000s 7000 VS100 50 8 10-ft DVS-120 5658-D HG 12 780 16000s 7000 VS100 50 8 10-ft DVS-120 5658-D HG 12 780 16000s 7000 VS100 50 8 10-ft DVS-120 5678-D HG 12 780 16000s 7000 VS100 50 9.Q , 10-ft DVS-120 5678-D HG 12 780 16000s 7000 VS120 50 9.� 10-ft DVS-120 5678-D HG 12 780 16000s 7000 VS120 50 9.� 10-ft DVS-120 5050-DV HG 12 780 16000s 7000 VS120 50 9. 10-ft DVS-120 5050-DV HG 12 780 16000s 7000 VS120 50 10 10-ft DVS-120 5050-DV HG 12 780 16000s 9000 VS120 50 � �701 10-ft DVS-120 5050-DV HG 12 780 16000s 9000 VS120 50 10 10-ft DVS-120 5050-DV HG 12 780 9000 VS120 50 ,10: 10-ft DVS-120 5050-DV HG 12 780 9000 VS120 50 ',1,1. 10-ft DVS-120 7070-DV HG 12 780 9000 VS120 50 10-Wft DVS-120 7070-DV HG 12 1125 9000 VS120 50 11. Hydraulics&Drainage Section April 2010 B-3 Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 2-PERFORMANCE MATRIX FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS(continued) Product Model ximnnp � '( �) b1oDwefnesndeear,m ' torU»ScR tor Sormetor senS Vo.Ma H 'Ps C d rty 2B1r.0 VY ST DVS-120 7070-DV HG 12 1125 9000 VS120 50 I18 DVS-120 -DV HG 12 1125 9000 VS120 50 11�9 DVS-120 7070-DV HG 12 1125 9000 VS120 60 •�]ZO.,,;:. DVS-120 -DV HG 12 1125 9000 VS120 60 72 i DVS-120 7070-DV HG 12 1125 9000 VS120 60 =125 DVS-120 7070-DV HG 12 1125 11000 VS120 60 13�0 DVS-120 7070-DV 1125 11000 VS120 60 ;135 DVS-120 7070-DV 1125 11000 VS120 60 13,6 DVS-120 7070-DV 1125 11000 VS120 60 14�0 DVS-144 7070-DV 1125 11000 VS120 60 DVS-144 7070-DV 1125 11000 60 X49 DVS-144 7070-DV 1125 11000 60 15,0, DVS-144 7070-DV 1125 16000 60 1 DVS-144 7070-DV 1125 16000 60 15 7 , DVS-144 7070-DV 1125 16000 60 DVS-144 7070-DV 16000 60 16 5 DVS-144 7070-DV 16000 60 370�° DVS-144 7070-DV 16000 1.-715 DVS-144 7070-DV 16000 180 - DVS-144 7070-DV 16000 DVS-144 7070-DV 16000 .19f0 DVS-144 7070-DV 16000 DVS-144 7070-DV 16000 20 0 DVS-144 10060-DV 16000 215 DVS 10060-DV 16000 �3" DVS-144 10060-DV 1319 LL�S 0. 10060-DV 1319 2512 10060-DV 1319 Hydraulics&Drainage Section April 2010 B-4 Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 2-PERFORMANCE MATRIX FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS(continued) Product Model Masimum�' QF(cfs) Downstreap:r '"Stor�nceptor: .Stormceptor Flogard H:gh:Eff GDS` Hydroguard= vortechs Yortsentry V2B7 Defender. QSR STC 27`6 10060-DV 1421 29 10080-DV 1421 30 10080-DV 1522 10080-DV 1522 53. 100100-DV 1522 3� 100100-DV 1624 38.�2 100100-DV 1624 40 100100-DV 1726 43;2 100100-DV 1726 49. 100100-DV Hydraulics&Drainage Section April 2010 B-5 Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 3-STANDARD SEDIMENT STORAGE CAPACITY FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS Sediment Product-lVIodel - Stormceptor StormcepEor Cub1C; s r*Dowsx�tream 3�efender Flogard 1�gh E} •GDS .4ydrogt�ard "1?ortechs �prtsentry .",�. V2Bl OSR STC 03 DVS-36 1000 0.5 4-ft 0. 2000 0 7: DVS-48 HG 4 065 450 VS30 2;3 0;9- 2015-4G;2015-4 mmimum 3000 140 900 12 HG 5 1 DVS-60 14 _ 4000 V S40 15 n 2015;2020;2025 4 1:7 HG 6 1;8 6-ft 1200 19,- 5000 . 2A 2.1 , 22 DVS-72 VS50 2.3 HG 7 24 6;7 2:5 7000 3020,3020-1);3030, 2;6 r 3030-DV,3030-1);3035, 3035-D :2.9 250 2400 Hydraulics&Drainage Section April 2010 B-6 �■s � as �s � a� �r � s � � s ,s air sr s a� s �■r Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 3-STANDARD SEDIMENT STORAGE CAPACITY FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS(continued) Sedimen Product Model.` Storage Stormce 'ior Stormceptor (culrzc., ar osutaslrea�rcDe E�o'ard:," Hi hE .CDS FI dro and Yortechs TYortse Y2B1 ; Y b' OS : STC ' " 3Q HG 8 9000 V S60 3.2. 8;9 33: 1800 DVS-84 3.7 8-ft 5640-D 3.8 HG 9 39 11000 40 4.2 ' 10; 11; 12 4.3 4030-13;4040-13;4045-D VS70 4.5, 46 4.7. 13 5.0. HG 10 .. 5.1" 5:3 j DVS-96 5042-DV;5050-DV 5.6 , 4030;4040;4045; 5653-D; 16000 VS80 5658-D; 5678-D 6.0 3600 65 , Hydraulics&Drainage Section April 2010 B-7 r M M s s m m min i s a m m m Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 3-STANDARD SEDIMENT STORAGE CAPACITY FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS(continued) dim ' Product Model , Storage Stonmce for Stormc for cubic"ar s Downstream Def ilex; 02 l ogdrd. High E CDS ° Hydraguard T'ortechs " Y'ortsentry E2BI STC 6.b 1319 r 69' 70 I� 711 7.3 14; 15; 16; 17; 18 7.5 HG 12 76_ 1421 7.7 80 -8.3 84 7070-DV 8.6 4800 8.7 ' 10-ft 390 1522 VS100 90 `9.5 96 99 1624 100 10: DVS-120 10.5. 19;20 11.2 1726 6000 i 1.T5. 21;22 .. 118 Hydraulics&Drainage Section April 2010 B-8 Mm M M W M M � M M M w � M M M mm Guidelines for the Use of Hydrodynamic Separators on ConnDOT Projects Attachment B TABLE 3-STANDARD SEDIMENT STORAGE CAPACITY FOR CONNDOT APPROVED HYDRODYNAMIC SEPARATORS(continued) Sedimen Product Model Storaget,Sioj�maepioe Stormceptor cubic. downstream Defender Flogard High Eff>CDS HydrogugrdVortechs Vartsentry V2B1 .s�;' OSR.' STC ` 120 VS120 25 560 13,=4 7200 150 175" 780 10060-DV;10080-DV; 17$ DVS-144 100100-DV 22.3 50 25 0, 258 . 1125 11000s -26.2. 341 13000s -34..9 60 350 3& 40.0 40.7 16000s Hydraulics&Drainage Section April 2010 B-9 Nam = m m m m m- m in i m " m m m m m m Best Manaaement Practice(BMP)Treatment Train Efficiency Worksheet Prepared for: Retail Development Evergreen Walk South Windsor,CT Prepared by: BL Companies 355 Research Parkway Meriden,CT Date prepared: December 7,2015 Overall Site Treatment Train Efficiency OF-1 Efficiency TSS Removal Startino TSS Armsumt Remaining BMP BMP Description Type of Treatment Rate% BMP Type of Treatment Rate Load Remove Load Et=[1-(1-Ei)(1-E2)(1-E3)(1-E4)(1-E?)]"100 E1 Impervious Surface Sweeping'"' secondary(conventional) 10 Impervious Surface Sweeping"` secondary(conventional) 0.1 1 0.1 0.9 E2 catch basin(hoods&deep sumps)'"" secondary(conventional) 25 catch basin(hoods&deep sumps)"'" secondary(conventional) 0.25 0.9 0.225 0.675 E3 Hydrodynamic Separator"" Secondary 75 Hydrodynamic Separator"" Secondary 0.75 0.675 0.50625 0.16875 E4 Micropool Extended Detention Pond Primary 0 Micropool Extended Detention Pond Primary 0 0.16875 0 0.16875 Overall Treatment Traln Efficiency(% 83.125 Overall Treatment Train Efficiency(Et)= 83.125%Total Suspended Solids(TSS)Remove 80%require per CT DEP Manufacturers claim 80%TSS removal Schueler 1996&EPA 1993 "'University of New Hampshire TSS Removal Rates(ado ted from Schueler,1996,&EPA,1993) BMP List Design Range of Brief Design Requirements Rate Average TSS Removal Rates Extended Detention Pond 70% 60-80'/o Sediment forebay Wet Pond(a) 70% 60-80% Sediment forebay Constructed Wetland(b) 80% 65-80% Designed W infiltrate or retain Water Quality Swale 70% 60-80% Designed to infiltrete or retain Infiltration Trench 80% 75-80% Pretreatment critical Infiltration Basin 80% 75-80% Pretreatment critical (predicted) Dry Well 80% 80%(predicted)Rooftop ronoff (uncontaminated only) Sand Filter c 80% 80% Pretreatment Organic Filter d 80% 80%+ Pretreatment Water Quality Inlet 25% I5-35%w/ Off-line only;0.1"minimum Water Quality Volume(WQV)storage elcanout Sediment Trap(Forebay) 25% 25%w/ Storm Bows for 2-year event must not cause erosion;0.1"minimum WQV storage cleanom Drainage Channel 25% 25% Check dams;non-erosive for 2-yr. Deep Sump and Hooded Catc 25% 25%w/ Deep sump general role=4 x pipe diameter or 4,0'for pipes 18"or less Basin cleanoul Street Sweeping 1 10% 1 10% Discretionary non-stmctuml credit,must be part of approved plan G:D06S13113C13C47MENMC-DAT-13C4718-TRFATMENT.4—atment in OF-1 .rf M r r ,s ar art r M M Best Management Practice(BMP)Treatment Train Efficiency Worksheet Prepared for: Retail Development Evergreen Walk South Windsor,CT Prepared by: BL Companies 355 Research Parkway Meriden,CT Date prepared: December 7,2015 Overall Site Treatment Train Efficiency OF-2 Efficiency TSS Removal Startina TSS Amount Remaining BMP BMP Description Type of Treatment Rate% BMP Tyne or Treatment Rate Load Removed Load Et=[1-(1-E1)(1-E2)(1-E3)(1-E4)(1-E?))`100 E1 Impervious Surface Sweeping— secondary(conventional) 10 Impervious Surface Sweeping— secondary(conventional) 0.1 1 0.1 0.9 E2 catch basin(hoods&deep sumps)"` secondary(conventional) 25 catch basin(hoods&deep sumps)"` secondary(conventional) 0.25 0.9 0.225 0.675 E3 Hydrodynamic Separator" Secondary 75 Hydrodynamic Separator" Secondary 0.75 0.675 0.50625 0.16875 Overall Treatment Train Efficiency(% 83.125 Overall Treatment Train Efficiency(EQ- 83.125%Total Suspended Solids(TSS)Remove `80%require per CT DEP Manufacturers claim 80%TSS removal Schuster 1996&EPA 1993 "`Universi of New Ham shire TSS Removal Rates(ad a bed from Schueler,1996,&EPA,1993) BMP List Design Range of Brief Design Requirements Raze Avemge TSS Extended Detention Pond 70% 60-80%a Sediment forebay Wet Pond(a) 70% 60-80% Sediment forebay Constructed Wetland(b) 80% 65-80% Designed to infiltrate or retain Water Quality Swale 70% 60-80% Designed to infiltrate or retain Infiltration Trench 80% 75-80% Pretreatment critical Infiltration Basin 80% 75-80% Pretreatment critical (predicted) Dry Well 80% 80%(predicted)RooRop runoff (uncontaminated only) Sand Filter c 80% 80% pretreatment Organic Filter d 80% 80%+ Pretreatment Water Quality Inlet 25% 15-35%w/ Off-line mly;0.1-minimum Water Quality Volume(WQV)storage cleanout Sediment Trap(Forebay) 25% 25%w/ Storm flows for 2-year event must not cause erosion;0.1"minimum WQV storage cleanout Drainage Channel 25% 25% Check dams;non-erosive for 2-yr. Deep Sump and Hooded Catc 25% 25%w/ Deep sump general rule=4 x pipe diameter or 4.0'for pipes I8"or less Basin cleanout Street Sweeping 1 11% 1 10% Discretionary non-swctuml credit,must be part of approved plan G:VOBS1311=13C 71E\ENG\ AT-13CA71&TREAWENT.tlsMatment rain OF-2 r r r r r Appendix E: Reports Site Operations and Maintenance plan r r r 13 Site Operations and Maintenance Plan For the Proposed: Retail Development at Evergreen Walk, Unit 12 Located at: 151 Buckland Road South Windsor, CT Prepared for Submission to: Town of South Windsor III Land Use Agencies December 14, 2015 r Prepared by: BL Companies 355 Research Parkway Meriden, Connecticut 06450 Phone: (203) 630-1406 Fax (203) 630-2615 Operations &Maintenance Plan December 14, 2015 Retail Development at Evergreen Walk, Unit 12 South Windsor, Connecticut Table of Contents GeneralOverview........................................................................................................................................1 Purpose &Goals.......................................................................................................................................1 ResponsibleParties..................................................................................................................................1 List of Permits&Special Conditions.........................................................................................................1 Maintenance Logs and Checklists............................................................................................................2 Forms........................................................................................................................................................2 EmployeeTraining....................................................................................................................................2 SpillControl...............................................................................................................................................2 StormWater Management..........................................................................................................................2 SystemComponents ................................................................................................................................2 CatchBasins and Manholes.....................................................................................................................3 SiteMaintenance.........................................................................................................................................3 ParkingLots..............................................................................................................................................3 Landscaping .............................................................................................................................................3 TrashCollection........................................................................................................................................4 OutdoorStorage.......................................................................................................................................4 SnowRemoval &Storage.........................................................................................................................4 Utilities.........................................................................................................................................................4 SanitarySewer System ............................................................................................................................4 WaterSystem ...........................................................................................................................................4 Gas\Electric\Telephone\Cable TV System...............................................................................................4 SiteLighting..............................................................................................................................................5 r r ' Operations&Maintenance Plan December 14, 2015 Retail Development at Evergreen Walk, Unit 12 South Windsor, Connecticut General Overview This project consists of developing Unit 12 of the master planned retail development at Evergreen Walk". The building pad site consists of approximately 15.1 acres of the entire development parcel with a total area of approximately 240 acres. This project is a new development of an undeveloped area in the master plan layout. As a master planned development, the existing stormwater management system has been designed to convey the stormwater discharge from the previous approved developed site conditions. The current proposed site development will not increase the amount of impervious ground cover on-site in an effort to ensure that the existing stormwater management system will be adequate in the fully developed condition subsequent to the master plan approval. ' The following Operations and Maintenance Plan was prepared specifically for this site development in South Windsor, Connecticut. The Plan was developed to satisfy the South Windsor Inland Wetland and Watercourse and Zoning Commissions. Purpose & Goals The purpose of this Manual is ensuring that the site is operated in accordance with all approvals and permits. The primary goal is to inform all the property managers about how the system operates and what maintenance items are necessary to protect downstream wetlands and III watercourses. The secondary goal is to provide a practical, efficient means of maintenance planning and record keeping to verify permit compliance. Responsible Parties The property owner will be responsible for implementing the Plan on the property. The party may retain a management company to oversee the maintenance of the site. Some utilities located on the site will be owned and maintained by the various utility companies in accordance with their standards. The property owner may maintain the service connections. List of Permits & Special Conditions The site will receive a number of permits, which may contain special conditions that require compliance by the owners and maintenance contractors. These permits may include the following: Town of South Windsor: Planning and Zoning Commission: Site Plan Approval. Inland Wetlands and Water Course Commission: Inland Wetlands Approval State of Connecticut: There are no anticipated State of Connecticut permits necessary. Page 1 ' Operations &Maintenance Plan December 14, 2015 Retail Development at Evergreen Walk, Unit 12 ' South Windsor, Connecticut Maintenance Logs and Checklists The property owner will keep a record of all maintenance procedures performed, date of inspection/ cleanings, etc. Copies of inspection reports and maintenance records shall be kept on site in the facility manager's office once it is established. Forms The following forms will be developed for annual maintenance. Copies of the forms will be kept on-site as part of the Storm Water Management Plan. • Annual Checklist • Quarterly Checklist • Monthly Checklist Employee Training The site will have an employee-training program, with annual up-dates, to ensure that the employees charged with maintaining the site do so in accordance with the approved permit conditions. All sub-contractors (Vactor, landscaping, snowplowing, etc.) will be informed of requirements and responsibilities. Spill Control The tenant will have a spill control program. That program will be updated annually and incorporated into the employee-training program. Storm Water Management System Components The storm water management system has several components that are shown on the Grading and Drainage drawing (GD-1), and they perform various functions in treating storm water runoff: Catch Basins are inlets, which trap road sand and floatable debris prior to draining through the storm sewer system. The proposed catch basins (CBs) are equipped with deep sumps with sump depths 4' below the outlet pipe, and hoods over the outlet pipes. ' Catch Basins and Manholes The property owner is responsible for cleaning the catch basins and manholes on the property. A Connecticut Licensed hauler shall clean the sumps, and dispose of removed sand legally. The road sand may be reused for winter sanding, but may not be stored on-site. As part of the hauling contract, the hauler shall notify the property owner in writing where the material is being ' disposed. Page 2 Operations &Maintenance Plan December 14, 2015 Retail Development at Evergreen Walk, Unit 12 South Windsor, Connecticut Each catch basin shall be inspected every four months, with one inspection occurring during the ' month of April. Any debris occurring within one foot from the bottom of each sump shall be removed by Vacuum "Vactor" type of maintenance equipment. During the inspection of each of the catch basin sumps, the hoods (where provided) on each of the outlet pipes shall also be observed. In the event that a hood is damaged or off the hanger, it shall be reset or repaired. Hydrodynamic Separators ' The hydrodynamic separator manholes will be cleaned periodically during construction, and at the end of construction once the landscaped areas are fully stabilized. For the first year of operation following construction, inspect each manhole once each month for the months of January, February, March and April, and once every four months thereafter. A graduated measuring device (stadia rod) shall be inserted into each grit chamber and ' measurements of any accumulations shall be recorded. Any debris, which has accumulated to within one foot of the water surface inside the grit chamber portion of each tank, shall be removed by vacuum "Vactor"type of equipment. After the first year of operation, each manhole shall be inspected at a minimum, three times yearly with one inspection occurring in the month of April in the same manner as described above for the first season of operation. Any accumulations found to be occurring within one foot of the water surface shall be removed from the manhole and properly disposed off-site. Also, any floating material discovered during inspections shall be removed from the tank. A detailed maintenance logbook shall be kept for each manhole. Information is to include, but not be limited to, the date of inspection, record of grit depth, condition of baffles, observation of any floatable, and date of cleaning performed. Site Maintenance Parking Lots ' Parking lots, driveways and sidewalks shall be swept regularly by the property owner to clean trash and other debris. The property owner will sweep parking lots on its property in the spring to remove winter accumulations of road sand. Landscaping The property owner will maintain landscaped areas. Normally the landscaping maintenance will consist of pruning, mulching, planting, mowing lawns, raking leaves, etc. Use of fertilizers and pesticides will be controlled and limited to minimal amounts necessary for healthy landscape maintenance. Soil tests, possibly by the Connecticut Cooperative Extension Service, will be performed prior to fertilization. Trees, shrub and lawn fertilization will be done according to the recommendations Page 3 Operations &Maintenance Plan December 14, 2015 Retail Development at Evergreen Walk, Unit 12 ' South Windsor, Connecticut of the soil test report. Liming of lawn areas to control pH will be done in the spring if testing indicates that it is necessary. The detention basin, drainage channels, and low-maintenance slopes will not be fertilized following initial planting and stabilization. The lawn areas, once established, will be maintained at a typical height of 2'/2%3". This will allow the grass to be maintained with minimal impact from weeds and/or pests. The low- maintenance slope areas will be maintained as a meadow or allowed to revert back to natural conditions. ' Pesticides will only be used as a control method when a problem has been clearly identified and other natural control methods are not successful. All pesticide applications shall be by licensed applicators, where necessary. ' Topsoil, brush, leaves, clippings, woodchips, mulch, and other material shall be stored off site. Trash Collection All trash will be contained in a self-contained trash container on site with access to an exterior door. The self-contained trash container will be enclosed. All trash will be collected on a ' regular basis and disposed of legally off-site. Outdoor Storage There will be no outdoor storage of hazardous chemicals, fertilizer, pesticides, or herbicides anywhere in the site. Clean wooden pallets and baled cardboard may be stored outside periodically. These items will be removed from the site on a regular schedule. Snow Removal & Storage Snow shall be shoveled and plowed from sidewalks, driveways and parking areas as soon as ' practical during and after winter storms and stormed in snow storage areas on site where practical. Utilities Sanitary Sewer System III On-Site Collection Sewer: The property owner will annual) inspect the manholes within the on- site Y Y P site sewer system on the property, and check for debris and blockage. Any low-flow lines with accumulations will be cleaned with water-jetting. Water System ' The on-site mains, fire hydrants, and off-site mains will be owned and maintained b others. Y Y The property owner will be responsible for maintaining the domestic and fire service lines to the buildings. Page 4 ' Operations&Maintenance Plan December 14, 2015 Retail Development at Evergreen Walk, Unit 12 South Windsor, Connecticut Gas\Electric\Tele hone\Cable TV System p V ' The electric system will be owned and maintained up to the switches and transformers by Eversource (aka CL&P). The gas system on site will be owned and maintained by the property owner and gas will be provided by Eversource (aka Yankee Gas). The property owner will maintain the secondary lines from the transformers to the buildings. The telephone system will be owned and maintained by Frontier (aka AT&T) up to the buildings. The cable TV system will be owned and maintained by Comcast of Connecticut. Site Lighting The property owner is responsible for maintaining the parking lot, driveway and building- mounted lights on the property. 1 ' Page 5 SHIPMAN &GOODWINLLP® COUNSELORS AT LAW Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 251-5318 cismith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Elizabeth Warren, Chairperson, and South Windsor Inland Wetlands Agency/Conservation Commission South Windsor Town Hall 1540 Sullivan Avenue South Windsor, CT 06074 Re: Notices required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W Dear Chairperson Warren and Members of the Commission: Enclosed please find copies of notice letters sent to the Metropolitan District Commission, Connecticut Water, and the Department of Public Health pursuant to Section 22a-42f of the Connecticut General Statutes regarding the above-referenced application for permission to conduct regulated activities. 4472455v1 ONE CONSTITUTION PLAZA HARTFORD,CONNECTICUT 061 03-1 91 9 1 860-251-5000 WWW.SHIPMANGOODWIN.COM 0 Please do not hesitate to contact me if you have any questions. Ver my your , ristop er J. Smith, Esquire Attorney and Agent for Petitioner/Applicant Evergreen Walk, LLC Enclosures cc: Evergreen Walk, LLC 4472455v1 ' y AN SHIPMAN &GOODWINLLP® COUNSELORS AT LAW Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 251-5318 cismith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Metropolitan District Commission C/O District Clerk 555 Main Street Hartford, CT 06106 Re: Notice required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W To Whom It May Concern: Pursuant to Section 22a-42f of the Connecticut General Statutes, I am writing to inform you of the filing of an application for permission to conduct regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, South Windsor, Connecticut. Approval of the regulated activities may affect properties located within a designated watershed of the Metropolitan District Commission, or aquifer protection area, as provided by Section 22a-42f of the Connecticut General Statutes. A copy of the application form is enclosed for your convenience. 4472455v1 ONE CONSTITUTION PLAZA I HARTFORD,CONNECTICUT 06103-1919 860-251.5000 WWW.SHIPMANGOODWIN.COM If you have any questions or would like additional information, please do not hesitate to contact me at 860.251.5606. Very u yours, ristopher 7,Smith, Esquire Attorney and Agent for Petitioner/Applicant Evergreen Walk, LLC CJS:enc Enclosure cc: Town of South Windsor Inland Wetlands Agency/Conservation Commission Evergreen Walk, LLC 4472455v1 t 1, S'I"IIPMAN &GOODWINLLP® COUNSELORS AT LAW Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 251-5318 cismith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Connecticut Water 25 North Road East Windsor, CT 06088 Re: Notice required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #I5-64W To Whom It May Concern: Pursuant to Section 22a-42f of the Connecticut General Statutes, I am writing to inform you of the filing of an application for permission to conduct regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, South Windsor, Connecticut. Approval of the regulated activities may affect properties located within a designated watershed of Connecticut Water, or aquifer protection area, as provided by Section 22a-42f of the Connecticut General Statutes. A copy of the application form is enclosed for your convenience. 4472455v1 ONE CONSTITUTION PLAZA I HARTFORD,CONNECTICUT 06103.1919 1 860-251-5000 1 WWW.SHIPMANGOODWIN.COM If you have any questions or would like additional information, please do not hesitate to contact me at 860.251.5606. Very y yours, hristopher . S ith, Esquire Attorney an Agent for Petitioner/Applicant Evergreen Walk, LLC CJS:enc Enclosure cc: Town of South Windsor Inland Wetlands Agency/Conservation Commission Evergreen Walk, LLC 4472455v1 y AN SHIPMAN &GOODWINLLP® COUNSELORS AT LAW Christopher J. Smith Phone: (860) 251-5606 Fax: (860) 251-5318 cismith@goodwin.com December 21, 2015 Certified Mailing / Return Receipt Requested Ms. Lori Mathieu, Supervising Environmental Analyst Connecticut Department of Public Health - Drinking Water Section 410 Capitol Avenue, MS #51 WAT P. O. Box 340308 Hartford, CT 06134-0308 Re: Notice required pursuant to Section 22a-42f of the Connecticut General Statutes regarding application for approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel #00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W Dear Ms. Mathieu: Pursuant to Section 22a-42f of the Connecticut General Statutes, I am writing to inform you of the filing of an application for permission to conduct regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, South Windsor, Connecticut. Approval of the regulated activities may affect properties located within a designated watershed, or aquifer protection area, as provided by Section 22a- 42f of the Connecticut General Statutes. A copy of the application form is enclosed for your convenience. 4472455v1 ONE CONSTITUTION PLAZA I HARTFORD,CONNECTICUT 06103-1919 I 860.251.5000 I WWW.SHIPMANGOODWIN.COM If you have any questions or would like additional information, please do not hesitate to contact me at 860.251.5606. Ver y yours, hristophe J. Smith, squire Attorney an Agent for Petitioner/Applicant Evergreen Walk, LLC CJS:enc Enclosure cc: Town of South Windsor Inland Wetlands Agency/Conservation Commission Evergreen Walk, LLC 4472455v1 Certified Mail Return Receipt Requested December 18, 2015 Re: Notification regarding the filing of an application with the South Windsor Inland Wetlands Agency/Conservation Commission seeking approval of regulated activities associated with a proposed commercial development of Unit 12, which is located on a portion of 151 Buckland Road, which is within Evergreen Walk Planned Community and designated as Assessor's Map #153, Parcel#00151, by the Town of South Windsor, Connecticut. Applicant and owner: Evergreen Walk, LLC Application: #15-64W Dear Property Owner: In accordance with Section 7.3(B) of the "Town of South Windsor Inland Wetland/ Watercourse and Conservation Regulations", we are required to notify you that the above- referenced application has been filed concerning the above-referenced property, which abuts property owned by you, and will be subject to a hearing by the Inland Wetlands Agency/Conservation Commission of the Town of South Windsor, Connecticut ("Commission"). The application and plans are on file at the South Windsor Planning Department, in the Town Hall of South Windsor, Connecticut, and may be reviewed during normal business hours. As an abutting property owner, you are invited to the hearing to ask questions and/or give comments. However, you are not required to attend. You may also submit written comments regarding the application prior to or during the hearing if you so desire. For further information regarding the specific date that this hearing will be entertained by the Commission, please contact Jeff Folger, Environmental Planner/Conservation Officer, Planning Department, at 860-644-2511, Ext. 329. Thank you. Ve tr y your istoph r J. Smith, Esquire Attorney r Owner/Applicant Evergreen Walk, LL CJS:Ias cc: Evergreen Walk, LLC Inland Wetlands Agency/Conservation Commission 4464930v1 t ABUTTERS LIST- EVERGREEN WALK(11/11/15) Str# Street Last Name First Name Mailini;Address(if different) Ma Lot Land Use Str# Street City _ ST Z, i 35 Tamarack Avenue Buckland Road Retail LLC 2650 Thousand Oaks Blvd. Memphis TN 38118 0000 Evergreen Way Evergreen Walk Lifestyle Center LLC 2650 Thousand Oaks Blvd. Unit#3150 Memphis TN 38118 151 Buckland Road, Unit 3 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 4 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 5 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 6 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 7 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 8 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 9 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 10 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 100 Cedar Avenue Realty Income Properties 21, LLC PM Dept. CCC#4793, 11995 El Camino Real San Diego - CA 92130 151 Buckland Road, Unit 11 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 11A EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 12 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 12A EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 151 Buckland Road, Unit 13 EWLLC c/o Laurence P. Rubinow 555 Main Street Manchester CT 06040 151 Buckland Road, Unit 14 EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 2400 Tamarack Avenue Evergreen Medical Associates II LLC 36 Welles St., Suite 220 Glastonbury CT 06033 2701 Tamarack Avenue AGM Properties LLC 23 Pease Farm Road Ellington CT 06029 2800 Tamarack Avenue c/o Grove Property fund 36 Welles St.,Suite 220 Glastonbury CT 06033 31 Buckland Hills Drive Lowes Home Centers, Inc. P.O. Box 1111 No.Wilkesboro NC 28656 1 Buckland Road Scott Leonard 110 Lavender Lane Rocky Hill CT 06067 9 Buckland Road Scott Leonard 110 Lavender Lane Rocky Hill CT 06067 15 Buckland Road Scott Leonard 110 Lavender Lane Rocky Hill CT 06067 79 Buckland Road Town of South Windsor 1540 Sullivan Avenue South Windsor CT 06074 95 Buckland Road Town of South Windsor 1540 Sullivan Avenue South Windsor CT 06074 103 Buckland Road Town of South Windsor 1540 Sullivan Avenue South Windsor CT 06074 70/90 Buckland Road 95CTLLC 225 CPN LLC 374 McLean Avenue Yonkers NY 10705 116 Buckland Road Buckland Road Associates LLC P.O. Box 684 South Windsor CT 06074 130 Buckland Road William Krawski 130 Buckland Road South Windsor CT 06074 6 4.: 179 Buckland Road EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 190 Buckland Road Earl & Barbara Reichle 247 Abby Road South Windsor CT 06074 206 Buckland Road Marion & Roy Rounseville,Trustees 206 Buckland Road South Windsor CT 06074 Rounseville Irrevocable Trust 200 Hemlock Avenue Vision Salon &Spa LLC 216 Hemlock Avenue South Windsor CT 06074 218 Buckland Road Lexmar Realty LLC 158 Cherry Street Milford CT 06460 235 Buckland Road EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartfore CT 06103 240 Buckland Road Robin C. Bond et al &John J. Halvorsen et al 94 West Road South Windsor CT 06074 251 Buckland Road EWLLC c/o Laurence P. Rubinow 185 Asylum St., City Place Hartford CT 06103 252 Buckland Road Wolf&Guerra, LLC 989 Ellington Road South Windsor CT 06074 274 Buckland Road Wolf&Guerra, LLC 989 Ellington Road South Windsor CT 06074 296 Buckland Road Messiah Evan. Lutheran Church 296 Buckland Road South Windsor CT 06074 300 Buckland Road Messiah Evan. Lutheran Church 296 Buckland Road South Windsor CT 06074 325 Buckland Road Town of South Windsor 1540 Sullivan Avenue South Windsor CT 06074 326 Buckland Road Steven Schiavone & Kawa Lucia 44 Highwood Simsbury CT 06070 350 Buckland Road Buckland Commons LLC. 1744 Ellington Road South Windsor CT 06074 395 Buckland Road John J. III &Carla C.Woodcock P.O. Box 684 South Windsor CT 06074 419 Buckland Road Carmon &Co. LLC 807 Bloomfield Avenue Windsor CT 06095 432 Buckland Road Four Hundred Thirty Two Buckland CT c/o Benchmark Sr. Living 432 Buckland Road South Windsor CT 06074 435 Buckland Road South Windsor Realty CO LLC c/o Peretz Resnick&CO LLP 303 South Broadway Tarrytown NY 10591 469G Buckland Road Mitigo LLC 469 Buckland Road#G-1 South Windsor CT 06074 R002 Smith Street Downeast Associates Ltd. Ptnrs. c/o RE Tax Dept., P.O. Box 7019 Indianapolis IN 46207-7019 R007 Smith Street Downeast Associates Ltd. Ptnrs. c/o RE Tax Dept., P.O. Box 7019 Indianapolis IN 46207-7019 140 Smith Street Jean Marc Jacques 658 Ellington Road South Windsor CT 06074 178 Smith Street Richard & Lisa Hamilton 178 Smith Street South Windsor CT 06074 180 Smith Street Walter P. &Andrea S. Kebalo 175 Wheeler Road South Windsor CT 06074 182 Smith Street Roseann Williams 182 Smith Street South Windsor CT 06074 198 Smith Street KF Realty LLC 175 Wheeler Road South Windsor CT 06074 216 Smith Street Scott& Beverly Antosik 216 Smith Street South Windsor CT 06074 236 Smith Street Aaron & Karen Johnson 236 Smith Street South Windsor CT 06074 244 Smith Street Peter J. &Jennifer J. Brin 244 Smith Street South Windsor CT 06074 250 Smith Street Frank M. &Christina Parisi 250 Smith Street South Windsor CT 06074 260 Smith Street EWLLC c/o Laurence Rubinow 185 Asylum St., City Place Hartford CT 06103 a 267 Smith Street Downeast Associates Ltd. Ptnrs. c/o RE Tax Dept., P.O. Box 7019 Indianapolis IN 46207-7019 274 Smith Street Robert& Ewa Rozwadowski 274 Smith Street South Windsor CT 06074 291 Smith Street Wayne& Norene Kilburn 291 Smith Street South Windsor CT 06074 302 Smith Street Lorraine White 302 Smith Street South Windsor CT 06074 307 Smith Street Beth & Robert Pulford 307 Smith Street South Windsor CT 06074 314 Smith Street 314 Smith Street Assic. 332 Smith Street South Windsor CT 06074 319 Smith Street Theodore & Betty Gill 319 Smith Street South Windsor CT 06074 331 Smith Street Vincent& Diane Colavecchio 331 Smith Street South Windsor CT 06074 332 Smith Street Robert& Beverly Hayes 332 Smith Street South Windsor CT 06074 340 Smith Street Brenda & Bruce D. Frazer 340 Smith Street South Windsor CT 06074 345 Smith Street Gene N. Beaupre 345 Smith Street South Windsor CT 06074 357 Smith Street Emil J. & Lucille Boutin 357 Smith Street South Windsor CT 06074 367 Smith Street Downeast Associates Limited PRT c/o RE Tax Dept., P.O. Box 7019 Indianapolis IN 46207-7019 377 Smith Street Willard &Claire DuFour 377 Smith Street South Windsor CT 06074 383 Smith Street Richard & Irene Gancarz 383 Smith Street South Windsor CT 06074 395 Smith Street Scott Leonard 110 Lavender Lane Rocky Hill CT 06067 22 Wheeler Road Downeast Associates Ltd. Prtns c/o RE Tax Dept., P.O. Box 7019 Indianapolis IN 46207-7019 175 Wheeler Road KF Properties LLC 175 Wheeler Road South Windsor CT 06074 188 Wheeler Road Matthew Chesson &Marcela Gomez 188 Wheeler Road South Windsor CT 06074 R003 Deming St. Muhammad & Humera Jamil 17 Deming Street South Windsor CT 06074 17 Deming St. Muhammad & Humera Jamil 17 Deming Street South Windsor CT 06074 25 Deming St. Esther Cotton 25 Deming Street South Windsor CT 06074 33 Deming St. Arthur L. & Kate Soucy 43 Deming Street South Windsor CT 06074 43 Deming St. Arthur L. & Kate Soucy 43 Deming Street South Windsor CT 06074 47 Deming St. Andrian &Cheryl Kebalo 47 Deming Street South Windsor CT 06074 50 Deming St. Elizabeth Molloy& Mary Ellen Molloy 50 Deming Street South Windsor CT 06074 60 Deming St. AJSW, Inc. 1451 47th Street Brooklyn NY 11219 67 Deming St. Michelle &Jason Gaines 67 Deming Street South Windsor CT 06074 68 Deming St. Deming Properties LLC 1451 47th Street Brooklyn NY 11219 75 Deming St. David & Nathalie Wisneski 75 Deming Street South Windsor CT 06074 76 Deming St. Robert& Phyliss T.Jones 76 Deming Street South Windsor CT 06074 83 Deming St. Stephanie Lauren Tos ostarelli & 83 Deming Street South Windsor CT 06074 Joshua W. Parker 112A Deming St. Steven Hershcopf 112 Deming Street, Unit A South Windsor CT 06074 112E Deming St. Wayne Gerlt P.O. Box 1132 South Windsor CT 06074 112C Deming St. Wayne Gerlt P.O. Box 1132 South Windsor CT 06074 130 Deming St. Gary&Jean Grilli 435 Bucklarid Road South Windsor CT 06074 152 Deming St. South Windsor Realty CO LLC c/o Peretz Resnick&CO LLP 303 South Broadway, STE. 105 Tarrytown NY 10591 240 Deming Street Calvary Church of the Assemblies 240 Deming Street South Windsor CT 06074 R009 Clark Street Clark Tree Farm LLC 500 Clark Street South Windsor CT 06074 R017 Clark Street Stanley Waldron 859 Clark Street South Windsor CT 06074 R016 Clark Street Freddie Gray 119 Columbia Road Windsor CT 06095 R014 Clark Street Stanley Waldron 859 Clark Street South Windsor CT 06074 490 Clark Street Leon &Sophie Szymczyk 490 Clark Street South Windsor CT 06074 500 Clark Street Clark Tree Farm LLC 500 Clark Street South Windsor CT 06074 580 Clark Street Shirley W.Smith 580 Clark Street South Windsor CT 06074 610 Clark Street Amy Lynn Dupre 610 Clark Street South Windsor CT 06074 716 Clark Street 859 Clark Street. LLC c/o Susan Mikkelson 676 Clark Street South Windsor CT 06074 748 Clark St. Cynthia Kaufman& Patrick Clark 748 Clark Street South Windsor CT 06074 760 Clark St. John & Patricia Karzar 760 Clark Street South Windsor CT 06074 Clark St./Map 25, Block 30 Jean Marc Jacques 658 Ellington Road South Windsor CT 06074 50 Andrew Way South Windsor Developers LLC .26 Main Street,Suite 100A Chatham NJ 07928 1000 Town Square RHD South Windsor LLC 452 Everhard Road,Suite 147 Canton OH 44718 101 Kebalo Lane Burton L&Joan Larson 101 Kebalo Lane South Windsor CT 06074 102 Kebalo Lane Theresa A. & Michael T. Breaux 102 Kebalo Lane South Windsor CT 06074 103 Kebalo Lane Ronald A. &Jean A.Archambault 103 Kebalo Lane South Windsor CT 06074 104 Kebalo Lane Donald R. & Elizabeth A.Tuleja 104 Kebalo Lane South Windsor CT 06074 201 Kebalo Lane Danne M. Pineo 201 Kebalo Lane South Windsor CT 06074 202 Kebalo Lane Ann Marie Hurley 202 Kebalo Lane South Windsor CT 06074 203 Kebalo Lane Holly K. Hunt 203 Kebalo Lane South Windsor CT 06074 204 Kebalo Lane Celeste Arcell 204 Kebalo Lane South Windsor CT 06074 301 Kebalo Lane Margaret M. Moynihan 301 Kebalo Lane South Windsor CT 06074 302 Kebalo Lane Richard C. & Mary E. Brunnell 302 Kebalo Lane South Windsor CT 06074 303 Kebalo Lane Clara A. Guastamachio 303 Kebalo Lane South Windsor CT 06074 304 Kebalo Lane Nancy Allison 304 Kebalo Lane South Windsor CT 06074 400 Kebalo Lane Wheeler Estates Condo Assoc. 400 Kebalo Lane South Windsor CT 06074 501 Kebalo Lane Vera Rudyk 501 Kebalo Lane South Windsor CT 06074 502 Kebalo Lane William C. & Mary A Peck 502 Kebalo Lane South Windsor CT 06074 503 Kebalo Lane Morgan J.,Jr& Marie Bradley L.Trustees 503 Kebalo Lane South Windsor CT 06074 601 Kebalo Lane Roberta J. Gowing 601 Kebalo Lane South Windsor CT 06074 602 Kebalo Lane Rita Graicerstein 602 Kebalo Lane South Windsor CT 06074 603 Kebalo Lane Irene G. Dirrigl 603 Kebalo Lane South Windsor CT 06074 604 Kebalo Lane Karin W.Tamarkin 604 Kebalo Lane South Windsor CT 06074 701 Kebalo Lane Pamela D. Pelczar 701 Kebalo Lane South Windsor CT 06074 702 Kebalo Lane Jane F.Perrin 702 Kebalo Lane South Windsor CT 06074 703 Kebalo Lane Richard Ryan, Irrevocable Trust L/U c/o Patrick J. Ryan,Trustee 703 Kebalo Lane South Windsor CT 06074 704 Kebalo Lane Ann W.Sinclair 704 Kebalo Lane South Windsor CT 06074 705 Kebalo Lane Alexander G. &Joanne Sibicky 705 Kebalo Lane South Windsor CT 06074 706 Kebalo Lane Donald R. & Linda M. Simmons 706 Kebalo Lane South Windsor CT 06074 q 0*N Sf4 F Tim 0119 So� ?d&U&Ot G � a 9 � 1540 SULLIVAN AVENUE • SOUTH WINDSOR, CT 06074 J�OSOR-CO TELEPHONE (860) 644-2511 Certified #70142120000332142651 February 23, 2016 Mr. John Finguerra Evergreen Walk, LLC 1109 Rose Lane Virginia Beach, VA 23451 RE: Appl. #15-64W— Evergreen Walk Unit 12 Dear Mr. Finguerra: At the February 17, 2016 regular meeting, the Inland Wetlands Agency/Conservation Commission approved Appl. #15-64W, Evergreen Walk LLC -Commercial Development Unit#12, - IWA/CC application for a site plan for the construction of a retail building, parking, stormwater control structures and associated utilities on a portion of 151 Buckland Road [within "Evergreen Walk"], and being located approximately 400 feet west of Buckland Road and 800 feet south of Deming Street(behind LA Fitness), Buckland Road Gateway Development Zone, with the following conditions: 1. The final approved copy of the entire set of plans and this letter reproduced thereon must be submitted to the Planning Department. This must be completed within 65 days of approval prior to any construction activity on the site. Plans submitted to Planning & Zoning Commission shall be considered having met this requirement. 2. The applicant shall indemnify and hold harmless the Town of South Windsor against any liability, which might result from the proposed operation or use. 3. The permit is valid for five years and shall expire on February 17, 2021. It is the Iandowner(s)/applicant(s) responsibility to track expiration dates and notify the Commission of a renewal request at least 65 days prior to expiration. 4. Bonds shall be collected in the amount of$30,000 for installation and maintenance of erosion and sediment controls; $20,000 for installation and maintenance of stormwater structures; $30,000 to insure proper installation, follow-up inspection and maintenance of mitigation measures. 5. Mitigation shall be monitored for not less than five years and reported to Town staff. 6. Installation of a valve or other device capable of closing the outlet of the detention basin for spill control. 7. The maintenance of the spill control device on the detention basin outlet shall be included in the operation and maintenance plan. 8. Spill event training shall be included in the stormwater pollution prevention plan. 9. All approvals required must be obtained and submitted prior to any activity on the site. 10. A contact person shall be identified on the plans. Very truly yours, INLAND WETLANDS AGENCY/CONSERVATION COMMISSION Elizabeth A. Warren, Chairperson cc: Director of Planning Chief Building Official