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02-70P ECHN Site Plan - IWACC
RECEIVE[ TOWN OF SOUTH WINDSOR NOV 15 2002 INLAND WETLANDS, WATERCOURSES AND CONSERVATIGNv�kftg&JJON CONSERVATION COMMISSION Application # ' 70 Date Received l a f y 0 e`L 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: -Tge tqSLE do&%mgtl i Address: 'ZOO +-ISM Dglyr- , i4ybm . (21T- 0 6001!3 Z Phone: (home) (work)%0,G 74`?&:p(fax) R1k0 —47` B. Legal owner's name: —Eymr&F-E f Address i/Q? ASE IAJE , YIIF-/AOIA B 464 , VA 2345'1 Phone (home) (work)767" 4ZZ-SS14(fax) 757- 4ZZ - S ig (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 of the application. D. Project Name (if any) E-SMAJ C96WF.�"T d4n7 . �/� AMWAC--- 1. Contact Person (if further information is needed) � s/L E. (work) 940 �T. -2449(fax) 74 "43f.3 ASS d &44 , Z-4id 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 # :? / Parcel # Zone G� F. Names of all abutting property owners from records .in Town Clerk's office. (use separate sheet if necessary) SEE sF,p M mac. r- 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? YES W i.t UAJ 7)4F- 4MgU/AVb 7 DAYS 7 J ❑ (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: Z T"A) Rhlf� L D ooa �� w�7- ,�lDs � ����a�..�G_7V el Syr, .4,--,ce- cot- .-Sr' Suit 5 5ytWeL .`TI"M= 2co3 s'r. SIN. I. A class A-2 map of the property drawn to 1" = 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. J. Amount of regulated area disturbance and types of fill (including wetlands and regulated buffers). 5CA, 14. OJOOVL, K. Acreage of wetlands,a d watercours s in regulated areas to be altered: so*zoo SF OF: vE.wAt, Rxs L. Acreage of wetlands and watercourses to be created: AND Z.S'AC&E GdV6L� IT7L1N PEA aftsN&A%r M. Lineal feet of proposed stream alteration: AIOAJE N. Total land area of project and percentage which is wetlands: Aft# � S' -- = .26 ' ° WrrXMb6 = (o 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.'I' ; The Army Corps of Engineers, and any other State, Local or Federal Permits.) ..C- P 8 P. The applicant (or designated representative) hereby Atesttss that a sign will be posted at the following location(s) -� (1Z By &ZAM Name �1�Y Z• C�_XE on or before the following date lD domt;_> �Jvtz_5a" Signature: These signs must be isphiyed continuously for at least ten (10) days prior to scheduled meeting (see Regulations, Section 7.3a) The undersigned hereby applies for the regulated activities listed in paragraph H above, for a 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 applic ion,both efore and after a final decision has been issued. EV GEE 'W , LLC- Bv 5& .vL S1 tyre o e7 o Property ohn n r Mem er Date /toZ... my ut i d Signat re o Applicant Date � 111 (ol- 9 J� FUSS&O'Neill Inc. Consulting Engineers 146 Hartford Road,Manchester,CT 06040-5992 TEL 86o 646-2469 FAX 86o 643-6313 INTERNET:www.fussandoneill.com Other Offices: West Springfield,Massachusetts Trumbull,Connecticut Providence,Rhode Island November 15, 2002 Mr. Jeff Folger RECEIVED Wetlands Enforcement Officer Town of South Windsor NOV 15 1540 Sullivan Ave 2002 South Windsor, CT 06074 SOuth Windsor INLAND WETLANDS AGENCY CONSERVATION COMMISSION RE: IWA/CC Application The Casle Corporation Eastern Connecticut Healthcare Network Dear Mr. Folger: Enclosed are :15 copies of the application,.3 copies of the plans and 3 copies of the drainage report for the above referenced project. The project includes the construction of a 39,820 square foot medical office building with 213 parking spaces on 4.26 acres of land at the intersection of Buckland Road and Deming Street. The proposed site has been used for agricultural purposes for many years. Pumpkins were grown on the parcel this past season. The on-site wetlands have been disturbed time and time again for many years and purportedly underdrained by farmers in past years. In order to mitigate the disturbance of approximately 2.11 acres of currently disturbed wetlands, the applicant proposed to create two (2) vernal pools on the west side of Plum Gulley Brook and to dedicate 2.5 acres of land surrounding the pools as a permanent conservation area easement. Sincerely, Ja . Gile , E. Senior Vice President GAP2000\481\C10\App1ication letterJJG 11-15-02.doc Corres.(HQ) Fuss&O'Neill Inc. Consulting Engineers 146 Hartford Road,Manchester,CT 06040-5992 TEL 86o 646-2469 FAX 86o 643-6313 INTERNET:www.fussandoneill.com Other Offices: West Springfield,Massachusetts Trumbull,Connecticut Providence,Rhode Island RECEIVED December 18, 2002 DEC 18 2002 Mr. Jeff Folger uouth Windsor INLAND WETLANDS AGENCY Wetlands Enforcement Officer CONSERVATION COMMISS ON Town of South Windsor 1540 Sullivan Avenue South Windsor, CT 06074 RE: The Casle Corporation/Eastern Connecticut Health Network Application#02-70P Dear Mr. Folger: On behalf of The Casle Corporation, we hereby withdraw our IWA/CC application for the above referenced project. This application and the requisite plans and reports were originally submitted on November 15, 2002. We are withdrawing the application at this time in order to provide additional information. We plan to resubmit in approximately one month. Sincerely, Jay J. Giles, E. Senior Vice President /dmp GA\P2000\481\C10\Withdrawal Letter JJG 12-18-02.doc Corres.(HQ) South • • Planning Department Memo To: Barry Guliano,Town Attorney From: Marcia A. Banach, Director of Planning Date: 01/08/03 Re: FOI Requests from Updike,Kelly&Spellacy dated Dec 30,2002 Following is the status of all FOI requests within the purview of the Planning Dept. 1. Planning and Zoning Commission. Thomas Fote of UK&S visited our department on Wednesday, January 8, and reviewed the files for Expo Design Center and ECHN.We will be making copies of some documents from those two files for Mr. Fote. He agreed that he is now current (through January 7)and, once we forward the copies from the ECHN files,will have copies of all Evergreen Walk files with respect to the Planning and Zoning Commission. 2. Architecture & Design Review Board. ADRC does not maintain separate files. All information received at ADRC meetings is incorporated within PZC files, as ADRC is a function of PZC. - Therefore there are no ADRC documents to provide. (Official copies of agendas and minutes reside in the Town Clerk's office.) 3. Inland Wetlands Agency/Conservation Commission. Mr. Fote reviewed the IWA/CC files for Expo Design Center and ECHN on this date also. We provided copies of requested documents from those files on the spot, as they relate to an IWA/CC meeting being held tonight(Jan. 8). Mr. Fote agreed that he is now current(through January 7)and has copies of all Evergreen Walk files with respect to the Inland Wetlands Agency/Conservation Commission. 4. Zoning Board of Appeals.There are no records relating to Evergreen Walk filed with ZBA. 1540 Sullivan Avenue,South Windsor,CT 06074 PH 860-644-2511,ext.253 Fax 860-644-7280 e-mail banach southwindsor.org 0 Page 1 EVERGREEN I, LLC� November 13, 2002 Town of South Windsor Inland Wetlands Agency/Conservation Commission 1540 Sullivan Avenue South Windsor, Connecticut 06074 Ladies and Gentlemen: The Casle Corporation is hereby authorized to undertake the proposed regulated activity as set forth in the application for the Eastern Connecticut Health Network facility at the intersection of Deming Street and Buckland Road. Very truly yours, EVERGREEN WALK, LLC f i t By /"John i guerr Member / Duly ut ed 1109 Rose Lane--Virginia Beach,Virginia 23451 •Phone: (757)422-5566 •Fax (757)422-5569 ABUTTING PROPERTY OWNERS-ECHN PROJECT MAP/BLOCK/LOT T' NAME SITE ADDRESS MAILING ADDRESS 38/1 WOODCOCK,JOHN J III 395 BUCKLAND RD 395 BUCKLAND RD. S.WINDSOR,CT 06074 S.WINDSOR, CT 06074 38/2 CALVARY CHURCH OF 240 DEMING ST 400 BUCKLAND RD. OF THE ASSEMBLIES S.WINDSOR,CT 06074 S.WINDSOR, CT 06074 38/5 ASTICOU INVESTMENT LTD 350 BUCKLAND RD 1744 ELLINGTON RD. S.WINDSOR,CT 06074 S.WINDSOR,CT 06074 51/34/2 CARMON&COMPANY 419 BUCKLAND RD. 419 BUCKLAND RD. S.WINDSOR,CT 06074 S.WINDSOR,CT 06074 51/36/3 SAMSEL PROPERTIES 152 DEMING ST. 10 NORTH MAIN ST. PARTNERSHIP S.WINDSOR,CT 06074 W.HARTFORD,CT 06107 51/37/3 GRILLI,GARY L& 130 DEMING ST. 80 BERLE RD. JEAN M(SURV) S.WINDSOR,CT 06074 S.WINDSOR,CT 06074 27/15 EVERGREEN WALK,LLC 151 BUCKLAND RD. 231 CENTRAL AVE. S.WINDSOR,CT 06074 WHITE PLAINS,NY 10606 G:1P2000\4811CIO\Aii T-rERS.doc Comes.(HQ) NEW ENGLAND BLACKLEDGE ENVIRONMENTAL RIVER SERVICES NURSERY VERNAL POOL CONSTRUCTION DETAILS ECHN/CASLE, SOUTH WINDSOR, CT 1. Richard Snarski (Soil Scientist)will supervise the construction of the vernal pools. 2. The groundwater hydrology will be monitored in the area of created vernal pools. The depth of excavation shown on the plans is approximate. The groundwater monitoring data will be evaluated to determine the correct depth of excavation. The goal is to create 2 vernal pools which will have a long hydroperiod so that the pools will be successful for amphibians most every year. 3. The limits of clearing will be staked by a surveyor. 4. The trees and shrubs will be removed from the site. 5. .An excavator will be used to construct the vernal pool. The excavated soil will be placed directly into a truck and hauled off site. 6. The side slopes of the pools will be no greater than 3:1. 7. The topsoil in the area of the'created vernal will be placed in the vernal pool. The leaves, sticks and branches will be mixed with the topsoil. Twelve.inches of topsoil will be placed on the bottom_and side slopes of the vernal pool. The topsoil will be placed loose and not compacted. No machines will travel on the topsoil. 8. Wood leaves will be raked from the surrounding uplands and placed on the bottom and side slopes of the pool. The depth of leaves will be 2"-3"deep. - 9. Branches and logs from the surrounding woods will be collected by hand and placed in,the pool to provide structure for the amphibians. 10. Several samplings will cut and the branches placed in the.pool for egg mass attachment. 11. The following herbaceous plants will be planted in the pools. Botanical Name Common Name Quanti Carex Lupulina Hop Sedge _100 - Carex Crinita ;k'ringed Sedge 200 Scirpus Cyperinus Wool Grass 200 G.T20004MC10\VERNAL POOL CONSTRUCTION DETAILS.doc 1 cones.(ItQJSS:JERRYDANIELS ROAD, MARLBOROUGH, CT 06447(860)295-1022 12. The temporary construction access strip to the vernal pools will be restored by grading the site smooth. Wood leaves will be spread over the disturbed access strip. Branches and logs will also be placed on the strip. 13.7he created vernal pools will be monitored for 3 breeding seasons. A monitoring report will be sent to the South Windsor Inland Wetland Agency/Conservation Commission. The monitoring report will be sent in the fall of each year. The egg mass will be counted and the amphibian larvae will.be monitored. The pools will be monitored 4 times during the season. The report will address any necessary remedial measures. G.W2000\48MIO\VERNAL POOL CONSTRUCTION DETAILS,.doe 2 Comes:(HQ) CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION GIS CODE#:_ 79 Elm Street For DEPtheOrly — — Hartford,CT 06106-5127 Arthur J.Roque,Jr.,Commissioner _ Statewide Inland Wetlands & Watercourses Activity Reporting Form Please complete this form in accordance with the instructions. Please print or type. PART 1: To Be Completed By The Inland Wetlands Agency Only 1. DATE ACTION WAS TAKEN: Year Month 2. ACTION TAKEN: 3. WAS A PUBLIC HEARING HELD? Yes No 4. NAME OF AGENCY OFFICIAL VERIFYING AND COMPLETING THIS FORM: (print) (signature) PART II: To Be Completed By The Inland Wetlands Agency Or The Applicant 5. TOWN IN WHICH THE ACTION IS OCCURRING: Soulp Inlln10509- Does this project cross municipal boundaries?.Yes No If Yes,list the other town(s)in which the action is occurring: . 6..' LOCATION: USGS Quad Map Name: __ IN a.CN���(�fC : AND Quad Number. .Subregional Drainage Basin Number. q0 J 7. ,.NAME OF APPLICANT,VIOLATOR OR PETITIONER: ��mw C7 Al eAL RG4I e " 1J 8 NAME&ADDRESS/LOCATION OF PROJECT SITE:.��c i< L'kr�J 1z�A�" • "D m rN '' S 1>t�€7 - - Briefly describe the action/project/achvity: til cf W ,3�1tfI,rJ �,4(Lk�a(r 9 ACTIVITY PURPOSE CODE: " 10 ACTIVITY,_TYPE CODE(S). r xs ; 11 WETLAND/WATERCOURSE AREA ALTERED[must be provided in acres or Il atr feet as In r > ry Wetlands l I acres Open Water Body. O acres Stream �_Unearfeet r . y 12. UPLAND AREA ALTERED]must be provided in acres es indcated] 5 acres S -Y - 13 AREA OF-WETLANDS AND/OR WATERCOURSES RESTORED,ENHANCED OR CREATED O acres - [must be provided in acres as tndicatedj 5; s �y � f k �_ � 1 � _ ,„n'�'" tr'`'nty „{%r, r�_Y-t"^. .y.- :�; F''_ t- :. +.v :�• �n41t-�- `Y"'�.t '} ?a e .•:i �`�•� .: .-t a 'T1� s 'Y 'i E.--.:t... "'' It. ..a.i ''6";lafki�a r s t a'r lat „ t vet �;�� .• �♦ _� '�---"=.Qom.-., °��r,oPa --� � � >>t �l ��1' `` ��(a •�J '�``•�-' �%t .` :�� � .�tx - E, ems, � 4 \ ��' � f--� r l ` ` • ♦ �:w.._ l.i.•J J�` .r ♦• �s (' �� ' SITE LOCATION u vL •�, •O 260 10 • �� ro0 � n � o LL. GP _ � 1 •t - Pts vel. t • l it�' :. _ _..-.-... • :- .. /. ._.. - ,., SCALE=1:24000 0 w 1 MILE 0 2000 4000 SCALE:1'=2000' FIGURE 1 MAP REFERENCE: -rlO Fuss&O'Neill Inc. Consulting Engineers THIS MAP WAS PREPARED FROM THE FOLLOWING 1a6 HARTFORD ROAD,MANCHESTER,CONNECTICUT 06NO 7.5 MINUTE SERIES TOPOGRAPHIC MAPS: (sso)sas-ease MANCHESTER,CONN.1963 PHOTOREVISED 1984 SITE LOCATION MAP �u. EASTERN CONNECITCUT HEALTHCARE NETWORK SOUTH WINDSOR BUCKLAND ROAD CONNECTICUT Quadrangle Location PROJ.NO.2000481A10 DATED:JUNE 2001 SCALE:1'=2000' DEC. 4.2002 12:04PM FUSS & O'NEILL N0.510 P.2 t . � F1153&QrNClll rI1C. Consulting irngineers 146 Hartford Read,Manchester,CT 06040-5992 TEL aw 646.2469 PAX 8e0 643-6313 INTMEP.www.fussandoneill.com Other Offiew. • West Springfield,Massachusetts November 18,2002 Trumbull,Connecticut Providence,Rhode Island Calvary Church of the Assemblies 400 Bueldand Road South Windsor, CT 06074 CERTIMD MAIEL Dear Property Owner: RE: Eastern Connecticut Healthcare Network 151 Buckland Road(Corner Deming) Evergreen Walk,LLC In accordance with Section 7.3b of the "Town of South Windsor Wand Wetlands, Watercourses, and Conservation Regulations", we are required to notify you that an -application has been filed on the property abutting yours and is subject to a hearing by the Inland Wetlands Agency/Conservation Commission, The application and plans are on file with the South Windsor Planning Department. The proposed project is the construction of a 39,820 square food medical office . building with 213 parking spaces for the Eastern Connecticut Healthcare Network 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 the hearing if you so desire. 1~dr further information regarding the specific date this will be heard,please contact Jeff Folger, the Zoning/Wetlands Enforcement Officer at the Planning Department, 644- 2511,ext.253. Sincerely, JayJ. Senior Vice President a, Fuss&O'Neill,Inc. Agent for the Applicant ' G1Y200014$1XCt0\CerdfiedLe=.doc Coffee.(HQ) 4ow" 8T_0� 0-le slo� ?d&U&Ot E� ci •+ u 1540 SULLIVAN AVENUE • SOUTH WINDSOR, CT 06074 OR.c° TELEPHONE (860) 644-2511 To: Jay Giles November 21, 2002 Fuss & O'Neill Inc. 146 Hartford Road Manchester, CT 06040 From: Jeffrey H. Folger Environmental Planner Town of South Windsor Re: Appi #02-70P Review of the EHCN office project, Evergreen Walk- Buckland Road,plans dated 11/15/02. I have reviewed the si te to plans for the proposed Northern Hills retail project with the following initial comments: 1. The plans must be certified A-2 by a licensed land surveyor. 2. Details of the proposed detention basin must be provided. The current plans do not show any outlet protection of pipes entering the basin. Microtopography should be shown. Internal diversions should be incorporated to extend the travel time within the basin. 3. It is recommended that the topsoil within the detention basins be at least 12"thick comprised of at least 30% compost by volume. This can substantially increase survivability and vigor of proposed plantings, and adsorb dissolved metals. 4. Landscape planting associated with the basin should be provided. The plant selection should be made up of native plants having a high wildlife habitat value. 5. An anti-tracking pad should be shown on the site plan. 6. How will extended peak runoff volumes effect the stream channel geometry of the receiving watercourse. A detailed report from a soil scientist, engineer, and a biologist is needed to evaluate the long and short-term effects of the proposed development. How will the timing of the peak flows from this project coincide with anticipated peak flows from other portions of the site. 7. Locations of soil stockpiles should be shown with appropriate erosion controls. 8. Energy dissipaters should be installed at the inlets to the swale and basin. Sump areas should also be provided to trap sediment. 9. Additional rain gardens could be placed east and west of the building to collect runoff from paved surfaces in those areas. 10. A rip-rap swale is shown in the detail sheet. Where is it proposed to be located on the site? 11. Several different grass seed mixed are shown on the detail sheet. Where are the different mixes to be placed? 12. A long-term inspection and maintenance schedule for the stormwater structures should be developed and placed on the plan. 13. A construction sequence should be shown on the plans. This sequence should give priority to the construction and stabilization of the stormwater structures. 14. Construction details of the proposed vernal pools should be shown on the plans. �N 15. The mitigation plan proposes to create 5200 sqft while eliminating 91,900 sqft of wetlands. Please be aware that the compensatory mitigation policy adopted by the Inland Wetland/Conservation Commission is "no net loss of wetlands within a sub-watershed area". cc. Town Engineer Inland Wetland/Conservation Commission Director of Planning FLB Architecture and Planning Inc. FUSS&O'Neill Inc. Consulting Engineers 146 Hartford Road,Manchester,CT 06040-5992 TEL 86o 646-2469 FAX 86o 643-6313 INTERNET:www.fussandoneill.com Other Offices: West Springfield,Massachusetts Trumbull,Connecticut Providence,Rhode Island RECEIVED November 15, 2002 NOV 15 2002 South Windsor Mr. Jeff Folger INLAND WETLANDS AGENCY CONSERVATION COMMISSION Wetlands Enforcement Officer Town of South Windsor 1540 Sullivan Ave South Windsor, CT 06074 RE: IWA/CC Application The Casle Corporation Eastern Connecticut Healthcare Network Dear Mr. Folger: On behalf of the applicant, I certify that: • No portion of the property on which the regulated activity is proposed is located within five hundred (500) feet of the boundary of an adjoining municipality; • No traffic attributable to the completed project on the site will use streets within the adjoining municipality to enter or exit the site; • No sewer or water drainage from the project site will flow through and impact the sewage or drainage system within the adjoining municipality; • No water run off from the improved site will impact streets or other municipal or private property within the adjoining municipality. Sincerely, Ja ile , E. Senior Vice President G:\P2000\481\C10\Application letter2 JJG 11-15-02.doc Corres.(HQ) i ' RECEIVED ' NOV 15 2002 Rau h�AV nIISor INIANO XTI-ANOSAOENC ' CONSERVATION COWNSSI0 r 1 DRAINAGE REPORT EASTERN CONNECTICUT HEALTHCARE NETWORK BUCKLAND ROAD SOUTH WINDSOR, CONNECTICUT ' November 15,2002 NO. 893 a �o� �+ai�rreg eaa,3� fQ0FUSS&O'Neill Inc. Consulting Engineers 146 Hartford Road,Manchester,CT 06040-5921 ' TEL 86o 646-2469 FAX 86o 643-6313 78 Interstate Drive,West Springfield,MA 01089 TEL 413 452-0445 FAX 413 846-0497 ' 56 Quarry Road,Trumbull,CT 06611 TEL 203 374-3748 FAX 203 374-4391 The Foundry Corporate Office Center ' 275 Promenade Street,Suite 350,Providence,RI 02908 TEL 401 861-3070 FAX 401 861-3076 Fuss&O'Neill Inc. Executive Summary ' This report summarizes the changes in drainage that will occur as a result of construction of a proposed facility for Eastern Connecticut Healthcare Network (ECHN) southwest of the intersection of Buckland Road and Deming Street. Runoff from the proposed ECHN building, parking lots, and access roadway will drain to a ' detention basin to the west of the property which will attenuate the runoff to below pre- development flows. The pre and post development flows for the site(including the access road) will be as follows: ng o Ghn : 2 2.32 1.11 -1.21 10 7.51 5.92 -1.59 25 10.89 8.72 -2.17 100 17.36 11.75 -5.61 ' The proposed parking area storm drainage system was designed to convey the 25 year design storm. Storm runoff will be treated through a variety of methods,including catch basins with ' four foot sumps and trap hoods,and by vegetative contact while traveling through over 250 feet of grassed swale. Sediments will further be filtered out by settling action in the proposed detention basin. r GAP2000\481\C I Wrainrep.doc Corres. Fuss&O'Neill Inc. Existing Conditions ' The subject property is part of large tract of farmland located west of Buckland Road,north of Smith Street and south of Deming Street in South Windsor. The proposed ECHN building will ' be located on an 4.26 acre parcel to be subdivided from the larger property. Soils are Wilbraham silty loams and Tisbury silt loams,which are Soil Conservation Service soil types C and B,respectively. Proposed Conditions ' The proposed building will cover approximately 0.6 acres. The adjacent parking areas will create approximately 1.7 more acres of impervious area. The proposed additional impervious areas will increase the amount of runoff discharging from the site, if undetained. However, a detention basin is proposed 500 feet to the west of the parcel which will attenuate the increase in runoff to below pre-development rates. The detention basin will have a total storage volume of approximately 1.0 acre-feet. The pond will have a 18 inch diameter low-level outlet and a second stage emergency outlet double catch basin outlet. The bottom of the pond will be at an approximate elevation of 79 feet and the highest elevation of the basin's berm will be approximately 84.5 feet. During the 100 year storm,there will be over 1 foot of freeboard within the basin. ' Storm sewer systems were designed to convey the 25 year storm. Minimum pipe cover is 3 feet and minimum pipe slope is 1%. Runoff from the east half of the building roof will discharge to a raingarden to be located to the southwest of the proposed parking area. The raingarden will store the roofwater and allow it to infiltrate. Overflow from the raingarden will re-enter the storm sewer system. Method U.S.D.A.Natural Resources Conservation Service(SCS)TR-55 methods were used to develop input information which was input into the Pondpack hydrologic computer model, which is based on SCS TR-20 methods. Please see Appendix B for the Pondpack calculations and rdrainage map. For Pondpack analysis, the drainage area(please refer to maps included in Appendix B)was delineated to a point of interest at the outlet of the proposed detention basin. The proposed drainage area is approximately the same as the existing drainage area to this point of interest. ' The storm sewer system was sized using the StormCAD computer model. Input information for the model was derived using Rational Formula methods based on the drainage areas depicted in ' the drainage area map in Appendix A. Times of concentration for all areas were assumed to be the minimum allowable time of 5=minutes. The StormCAD output indicates that all of the proposed pipes will have adequate capacity. GAP2000\481\C 10\drainrep.doc Comes. Fuss&O'Neill Inc. Summary With the use of the proposed detention basin,proposed peak discharges from the site will be less than existing flows through the 100 year storm, as required by Town regulations. The ' proposed storm sewer system meets town regulations of adequately conveying the 25 year storm. I r ' GAP2000\481\C10\drainrep.doc Comes. APPENDIX A _ . STORM SEWER SIZING �R ` .t IT / f / / \ �O C — 1 `, DEK4ING S TREET\ \ GCS � //' / 1__-- � Q ^ /' �� � ~ ^ / 1 t �• ��� � 0 s CB 5 t � E ROOF AREA ,/ ROO�,, AREA= — ° 1 1�9 i I /DRAINING TO GB-4 1 ` 6 , A= 0�30 Ac. \! 7yp o t } ` t l.i 4 O f 2 r I JCa C 1.1/ t QP 110710 PROD.MANAGER SEAL SEAL SCALE: - PROJ.No.:00i CHIEF DESIGNER HORZ: I•W - ECHN DATE:11/07/02 REVIEWED BY: DATE 50 VERT.:25 0 50 BUSS & O'NEILL INC.Consulting Engineers CATCH BASIN AREAS 5AS HARTFORD ROAD. MANCHESTER. CONNECTICUT 06040 1• 860.646.2469 1 a No. DATE DESCRIPTION BY GRAPHIC SCALE www.FandO.COm SOUTH WINDSOR CONNECTICUT j REVISIONS Scenario: Base F&O Inlet Report Label Ground Time System System Local Area Inlet Inlet Total Interceptec Total Inlet ongitudina Road Gutter Gutter Bypassed Intercepted Bypass Elevation of Flow TimE Intensity Intensity(acres) C CA Flow Rational Bypassed Location Slope Cross Ditch Ditch CA CA Target (ft) Concentration (min) (in/hr) (in/hr) (acres)To Inlet Flow Flow (ft/ft) Sloe Depth Spread (min) (cfs) (cfs p p (acres) (acres) (cfs) (ft/ft) (ft) (ft) CB-1 97.50 5.00 5.00 7.10 7.10 0.36 0.90 0.32 2.32 2.32 0.00 In Sag 0.020 0.15 7.56 0.00 0.32 CB-2 103.50 5.00 8.55 6.25 7.10 0.28 0.53 0.15 1.06 1.06 0.00 In Sag 0.020 0.06 2.99 0.00 0.15 CB-3 111.80 5.00 8.42 6.28 7.10 0.23 0.32 0.07 0.53 0.53 0.00 In Sag 0.020 0.01 1.74 0.00 0.07 CB-4 107.25 5.00 6.61 6.71 7.10 0.76 0.45 0.34 2.45 2.45 0.00 In Sag 0.020 0.16 7.96 0.00 0.34 CB-5 108.75 5.00 5.45 6.99 7.10 0.18 0.35 0.06 0.45 0.45 0.00 In Sag 0.020 1.16e-3 1.59 0.00 0.06 CB-6 109.45 5.00 5.31 7.02 7.10 0.24 0.28 0.07 0.48 0.39 0.09 On Grad 0.040000 0.020 0.08 3.79 0.01 0.05 <Automatic CB-7 115.50 5.00 5.78 6.91 7.10 0.18 0.29 0.05 0.37 0.37 0.00 In Sag 0.020 -0.01 1.41 0.00 0.05 cb-8 120.45 5.00 5.00 7.10 7.10 0.48 0.52 0.25 1.79 1.79 0.00 In Sag 0.020 0.12 5.79 0.00 0.25 CB-9 117.45 5.00 8.08 6.36 7.10 0.23 0.56 0.13 0.92 0.92 0.00 In Sag 0.020 0.05 2.48 0.00 0.13 CB-10 120.25 5.00 7.22 6.57 7.10 0.52 0.43 0.22 1.60 1.60 0.00 In Sag 0.020 0.10 5.13 0.00 0.22 ROOF 230.00 5.00 5.00 7.10 7.10 0.30 0.90 0.27 1.93 1.93 0.00 In Sag 0.020 0.00 0.00 0.00 0.27 ROOF 130.00:` 5.00 5.00 7.10 7.10 0.30 0.90 0.27 1.93 1.93 0.00 In Sag 0.020 0.00 0.00 0.00 0.27 YD-11 123.50 5.00 5.44 7.00 7.10 0.03 0.25 0.01 0.05 0.05 0.00 In Sag 0.020 -0.06 0.39 0.00 0.01 YD-12 123.501 5.001 5.001 7.101 7.101 0.0610.251 0.021 0.11 0.11 0.00 1 In Sag 1 10.0201 -0.051 0.611 0.001 0.02 Title:EHCN Project Engineer:AWP g:\p2000\481\c10\drainage\00481c10.stm Fuss&O'Neill Inc. StormCAD v4.1.1 [4.2014] 11/15/02 10:26:02 AM ©Haestad Methods,Inc. 37 Brookside Road Waterbury,CT 06708 USA +1-203-755-1666 Page 1 of 1 irr irr in r r iir irr r r r irr irr r irr r r >r r rr Scenario: Base F&O Pipe Report Label pstrearr)ownstrearrUpstrearn)ownstrearr Pipe System System System Total Full Section Length onstructe Manning Average Upstrearr)ownstrearrHydraulic Hydraulic Node Node Invert Invert Flow Flow TimE CA Intensity System Capacity Size (ft) Slope n Velocity Cover Cover Grade Grade Elevation Elevation Time (min) (acres) (in/hr) Flow (cfs) (ft/ft) (ft/s) (ft) (ft) Line In Line Out (ft) (ft) (min) (cfs) (ft) (ft) P-14 C13-1 0-3 93.25 92.25 0.37 5.00 0.32 7.10 2.32 7.00 15 inch 100.00 0.010000 0.012 4.51 3.00 6.50 93.86 92.75 P-13 C13-2 0-2 98.55 96.12 0.24 8.55 1.90 6.25 11.95 16.06 18 inch 122.00 0.019918 0.012 8.62 3.45 2.38 99.86 97.09 P-5 C13-3 CB-2 101.38 98.65 0.13 8.42 1.75 6.28 11.08 21.71 18 inch 75.00 0.036400 0.012 9.36 8.92, 3.35 102.65 99.44 P-10 CB-4 C13-3 102.90 101.48 0.39 6.61 1.30 6.71 8.81 11.38 18 inch 142.00 0.010000 0.012 6.00 2.85 8.82 104.05 102.65 P-12 CB-5 CB-4 104.74 103.00 0.39 5.45 0.39 6.99 2.73 10.45 15 inch 78.00 0.022308 0.012 3.31 2.76 3.00 105.40 104.05 P-11 CB-6 CB-5 105.20 104.84 0.13 5.31 0.32 7.02 2.30 7.00 15 inch 36.00 0.010000 0.012 4.48 3.00 2.66 105.81 105.34 P-9 C13-7 CB-4 111.15 103.00 0.83 5.78 0.30 6.91 2.10 16.76 15 inch 142.00 0.057394 0.012 2.85 3.10 3.00 111.73 104.05 P-8 cb-8 CB-7 116.20 111.25 0.78 5.00 0.25 7.10 1.79 10.27 15 inch 230.00 0.021522 0.012 4.94 3.00 3.00 116.73 111.60 P-4 CB-9 CB-3 112.25 106.50 0.34 8.08 0.37 6.36 2.40 14.72 15 inch 130.00 0.044231 0.012 6.40 3.95 4.05 112.87 106.84 P-3 CB-10 C13-9 115.90 112.35 0.85 7.22 0.25 6.57 1.63 9.94 15 inch 176.00 0.020170 0.012 3.43 3.10 3.85 116.41 112.87 P-16 ROOF E C13-6 111.00 105.20 0.31 5.00 0.27 7.10 1.93 10.81 12 inch 74.00 0.078378 0.012 3.93 118.00 3.25 111.59 105.81 P-15 ROOF CB-4 104.00 103.00 0.52 5.00 0.27 7.10 1.93 3.86 12 inch 100.00 0.010000 0.012 3.22 25.00 3.25 104.59 104.05 P-2 YD-11 CB-10 120.10 116.00 1.79 5.44 0.02 7.00 0.16 12.78 15 inch 123.00 0.033333 0.012 1.15 2.15 3.00 120.25 116.41 P-1 YD-12 YD-11 1 120.501 120.1010.441 5.001 0.021 7.101 0.111 7.18115 inch 38.001 0.0105261 0.0121 1.451 1.751 2.151 120.631 120.25 Title:EHCN Project Engineer:AWP g:\p2000\481\c10\drainage\00481c10.stm Fuss&O'Neill Inc. StormCAD v4.1.1 [4.2014] 11/15/02 10:26:09 AM ©Haestad Methods,Inc. 37 Brookside Road Waterbury,CT 06708 USA +1-203-755-1666 Page 1 of 1 EHCN "c" COEFFICIENTS GRASS= 1 0.25 PAVEMENT= 0.90 CB-1. 15779 15779 0.36 0.90 CB-2 12053 6951 0.28 0.62 CB-3 10041 8786 0.23 0.82 CB-4 32971 22903 0.76 0.70 CB-5 7855 7075 0.18 0.84 CB-6 10603 9815 0.24 0.85 ' CB-7 7706 7540 0.18 0.89 CB-8 20816 12286 0.48 0.63 CB-9 9813 5136 0.23 0.59 ' CB-10 22641 16424 0.52 0.72 YD-11 1304 0 0.03 0.25 YD-12 2448 0 0.06 0.25 ROOF E 13068 13068 0.30 0.90 ' ROOF 13068 13068 0.30 0.90 G:\p2000\481\X10\DRAINAGE\C_coeff.xls Worksheet Worksheet for Trapezoidal Channel Project Description Worksheet Grass swale Flow Element Trapezoidal Cha Method Manning's Forma Solve For Discharge Input Data Mannings Coeffic 0.030 Slope 010000 ft/ft Depth 3.00 ft Left Side Slope 2.00 H:V Right Side Slope 2.00 H:V Bottom Width 6.00 ft Results Discharge 269.11 cfs Flow Area 36.0 ft2 ' Wetted Perimi 19.42 ft Top Width 18.00 ft Critical Depth 2.89 ft ' Critical Slope 0.011620 ft/ft Velocity 7.48 ft/s Velocity Head 0.87 ft Specific Enerc 3.87 ft Froude Numb. 0.93 Flow Type 3ubcritical 1 Project Engineer.Jim LeClair g:\p2000\481\c10\drainage\swale.fm2 Fuss&O'Neill Inc. FlowMaster v6.1 [614kj 11/15/02 12:10:49 PM 0 Haestad Methods,Inc. 37 Brookside Road Waterbury,CT 06708 USA (203)755-1666 Page 1 of 1 APPENDIX B _ . PONDPACK MODEL PROPOSED & EXISTING CONDITIONS �4 t is ONWJCI F DEWING STREET F Ei ING 0 J i DRAINAGE' AREA=3.Z2 ,fires/ m t P c p �a�A N A G E AREA=4.2j A c re'§., Tc TH �A 0/ t % V 00 T N f r Ll 'PROJ.MANAGER: SEAL SEAL SCALE: CHIEF DESIGNER: HORZ: iw ECHN PRQJ.No.:00481.CIO REVIEWED BY: 1 DATE ao VERT.:40 0 ao-- FUSS & ONEILL INC.Consulting Engineers EXISTING DRAINAGE AREAS DATE: 1107M 146 HARTFORD ROAD, MANCHESTER, CONNECTICUT 06040 No. DATE DESCRIPTION —3y— 00 - 860.646.2469 RIEVISIONS GRAPHIC SCALE www.FandO.com SOUTH WINDSOR CONNECTICUT �:4 1 S ONIW110 \ • • _ DEMIN W EET lk , DEMING STREET, 09 DRAINAGE AREA=3.2,'2 Acres/It DRAINAGE AREA=4.2j Acre. lb p5' d o• 'o�SJ Q if j PROD.MANAGER SEAL SEAL SCALE: PROJ.No.:00481.C10 CHIEF DESIGNER - HORZ: 1'80' ECHN DATE:11107102 REVIEWED BV: DATE VERT.: O w o 80 FUSS & OTiEILL INC.consulting Engineers- PROPOSED DRAINAGE AREAS 146 HARTFORD ROAD, MANCHESTER, CONNECTICUT 06040 1' ' _ 860.646.2469 a No. DATE DESCRIPTION By GRAPHIC SCALE WWW.Fand0.com REVISIONS SOUTH WINDSOR CONNECTICUT / 9V`r" r l�' -�:'��- r�.�'t.,••/ !. ry � 1 i�!// Qom Gs� ' S .'•Y'ti� '� .�� ^r ��v.%� 2��1 .r �zy{,�' _ l Lht-"�.i.W M, �1�M/t/ ,'r �4 �"r0. m \ Otis/ Ual• sJ 1� GSG'�" •'. wV•• .� ar f +f i }•. 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PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Table of Contents i Table of Contents ********************** MASTER SUMMARY ********************** Watershed. . . . . . . Master Network Summary . . . . . . . . . . . . . 1.01 ****************** DESIGN STORMS SUMMARY ******************* Hartford County Design Storms . . . . . . . . . . . . . . . . . . . . . . 2.01 ********************** TC CALCULATIONS ********************* EXISTING. . . . . . . . Tc Calcs . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.01 PROPOSED. . . . . . . . Tc Calcs . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.03 SOUTH OF EHCN. . . Tc Calcs . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.05 ********************** CN CALCULATIONS ********************* EXISTING. . . . . . . . Runoff CN-Area . . . . . . . . . . . . . . . . . . . . . 4.01 -PROPOSED. . . . . . . . Runoff CN-Area . . . . . . . . . . . . . . . . . . . . . 4.02 SOUTH OF EHCN. . . Runoff CN-Area . . . . . . . . . . . . . . . . . . . . . 4.03 SOUTH OF EHCN P Runoff CN-Area . . . . . . . . . . . . . . . . . . . . . 4.04 *********************** POND VOLUMES *********************** DETENTION ALT. . . Vol: Elev=Area . . . . . . . . . . . . . . . . . . . . . 5.01 SIN: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Table of Contents Table of Contents (continued) ******************** OUTLET STRUCTURES ********************* ALT OUTLET. . . . . . Outlet Input Data . . . . . . . . . . . . . . . . . . 6.01 Composite Rating Curve . . . . . . . . . . . . . 6.03 S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Master Network Summary Page 1.01 Name. . . . Watershed File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW MASTER DESIGN STORM SUMMARY Default Network Design Storm File, ID CTSTORMS.RNQ Hartford County Total Depth Rainfall Return Event in -----Type------- RNF-File -----RNF ID ---------- ------ -------- 2yr 3.2000 Synthetic Curve SCSTYPES TypeIII 24hr 10yr 4.7000 Synthetic Curve SCSTYPES TypeIII 24hr 25yr 5.5000 Synthetic Curve SCSTYPES TypeIII 24hr 100yr 6.9000 Synthetic Curve SCSTYPES TypeIII 24hr MASTER NETWORK SUMMARY SCS Unit Hydrograph Method (*Node=Outfall; +Node=Diversion; ) (Trun= HYG Truncation: Blank=None; L=Left; R=Rt; LR=Left&Rt) Max Return HYG Vol Qpeak Qpeak Max WSEL Pond Storage Node ID--------- Type Event ---ac_ft-- Trun hrs --cfs- ---ft--- ---ac_ft--- -------- ------ -- --------- -- DETENTION IN POND 2 .712 12.1500 7.06 DETENTION IN POND 10 1.377 12.1500 13.76 DETENTION IN POND 25 1.766 12.1100 17.61 DETENTION IN POND 100 2.485 12.1500 24.59 DETENTION OUT POND 2 ' .474 13.0000 1.11 81.53 .350 DETENTION OUT POND 10 1.138 12.5000 5.92 82.31 .537 DETENTION OUT POND 25 1.528 12.4500 8.72 82.68 .632 DETENTION OUT POND 100 2.246 12.4500 11.75 83.43 .846 *EXISTING JCT 2 .342 12.3000 2.32 *EXISTING JCT 10 .879 12.2500 7.51 *EXISTING JCT 25 1.223 12.2500 10.89 *EXISTING JCT 100 1.892 12.2500 17.36 EXISTING AREA 2 .251 12.2500 1.92 EXISTING AREA 10 .608 12.2500 5.52 EXISTING AREA 25 .833 12.2000 7.75 EXISTING AREA 100 1.263 12.2000 12.10 PROPOSED AREA 2 .593 12.1500 6.70 PROPOSED AREA 10 1.057 12.1500 11.81 S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Master Network Summary Page 1.02 Name. . . . Watershed File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW MASTER NETWORK SUMMARY SCS Unit Hydrograph Method (*Node=Outfall; +Node=Diversion; ) (Trun= HYG Truncation: Blank=None; L=Left; R=Rt; LR=Left&Rt) Max Return HYG Vol Qpeak Qpeak Max WSEL Pond Storage Node ID Type Event ac-ft Trun hrs cfs ft ac-ft ----------------- ---- ------ ---------- -- --------- -------- -------- ----------- PROPOSED AREA 25 1.315 12.1500 14.57 PROPOSED AREA 100 1.778 11*1500 19.43 *PROPOSED OUT JCT 2 .474 13.0000 1.11 *PROPOSED OUT JCT 10 1.138 12.5000 5.92 *PROPOSED OUT JCT 25 1.528 12.4500 8.72 *PROPOSED OUT JCT 100 2.246 12.4500 11.75 SOUTH OF EHCN AREA 2 .092 12,4000 .47 SOUTH OF EHCN AREA 10 .270 12.3000 2.07 SOUTH OF EHCN AREA 25 .390 12.3000 3.20 SOUTH OF EHCN AREA 100 .628 12.2500 5.41 SOUTH OF EHCN P AREA 2 .119 12.3500 .73 SOUTH OF EHCN P AREA 10 .321 12.3000 2.60 SOUTH OF EHCN P AREA 25 .451 12.3000 3.82 SOUTH OF EHCN P AREA 100 .707 12.2500 6.22 S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Design Storms Page 2.01 Name. . . . Hartford County File. . . . C:\HAESTAD\PPKW\RAINFALL\CTSTORMS.RNQ Title. . . EHCN site- South Windsor, CT Existing and proposed conditions DESIGN STORMS SUMMARY Design Storm File, ID = CTSTORMS.RNQ Hartford County Storm Tag Name = 2yr Description:-2-year Data Type, File, ID = Synthetic Storm SCSTYPES.RNF TypeIII 24hr Storm Frequency = 2 yr Total Rainfall Depth= 3.2000 in Duration Multiplier = 1 Resulting Duration = 24.0000 hrs Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs Storm Tag Name = 10yr Description: 10 year ---------------------------------------------------------------------- Data Type, File, ID = Synthetic Storm SCSTYPES.RNF TypeIII 24hr Storm Frequency = 10 yr Total Rainfall Depth= 4.7000 in Duration Multiplier = 1 Resulting Duration = 24.0000 hrs Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs Storm Tag Name = 25yr Description: 25 year ---------------------------------------------------------------------- Data Type, File, ID = Synthetic Storm SCSTYPES.RNF TypeIII 24hr Storm Frequency = 25 yr Total Rainfall Depth= 5.5000 in Duration Multiplier = 1 Resulting Duration = 24.0000 hrs Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs Storm Tag Name = 100yr Description: 100year- -- Data Type, File, ID = Synthetic Storm SCSTYPES.RNF TypeIII 24hr Storm Frequency = 100 yr Total Rainfall Depth= 6.9000 in Duration Multiplier = 1 Resulting Duration = 24.0000 hrs Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs SIN: D211010OIA82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 i, Type. . . . Tc Calcs Page 3.01 Name. . . . EXISTING File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TIME OF CONCENTRATION CALCULATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ------------------------------------------------------------------------ Segment #1: Tc: TR-55 Shallow Hydraulic Length 510.00 ft Slope .039000 ft/ft Unpaved Avg.Velocity 3.19 ft/sec Segment #1 Time: 0445 hrs ------------------------------------------- ---------------------------- Segment #2: Tc: TR-55 Sheet Mannings n .2400 Hydraulic Length 200.00 ft 2yr, 24hr P 3.2000 in Slope .075000 ft/ft Avg.Vetocity .23 ft/sec _ Segment #2 Time: .2441 hrs ------------------------------------------------------------------------ Total Tc 2885 hrs ------------------------- ------------------------- S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Tc Calcs Page 3.02 Name. . . . EXISTING File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW ------------------------------------------------------------------------ Tc Equations used. . . ------------------------------------------------------------------------- SCS TR-55 Sheet Flow Tc = ( .007 * ((n * Lf)**0.8)) / ((P**.5) * (Sf**.4)) Where: Tc = Time of concentration, hrs n = Mannings n Lf = Flow length, ft P = 2yr , 24hr Rain depth, inches Sf = Slope, % SCS TR-55 Shallow Concentrated Flow Unpaved surface: V = 16.1345 * (Sf**0.5) ' Paved surface: V = 20.3282 * (Sf**0.5) Tc = (Lf / V) / (3600sec/hr) Where: V = Velocity, ft/sec Sf = Slope, ft/ft Tc = Time of concentration, hrs Lf = Flow length, ft 1 S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Tc Calcs Page 3.03 Name. . . . PROPOSED File. . . . G: \P2000\481\C10\DRAINAGE\00481C10.PPW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . TIME OF CONCENTRATION CALCULATOR ------------------------------------------------------------------------ Segment #1: Tc: User Defined Description: Sheet flow to parking lot pipes Segment #1 Time: 1611 hrs ------------------------------------------------------------------------ ------------------------- ------------------------- -Total—Tc: -----_1667—hrs— 1 S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Tc Calcs Page 3.04 Name. . . . PROPOSED 1 File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW ------------------------------------------------------------------------ Tc Equations used. . . ------------------------------------------------------------------------ User Defined --------------------------------- Tc = Value entered by user Where: Tc = Time of concentration S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Tc Calcs Page 3.05 Name. . . . SOUTH OF EHCN iFile. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TIME OF CONCENTRATION CALCULATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ------------------------------------------------------------------------ Segment #1: Tc: TR-55 Shallow Hydraulic Length 200.00 ft Slope .040000 ft/ft Unpaved Avg.Velocity 3.23 ft/sec -----------------------------------------Segment #1 Time: ---- hrs ------------------ ---- - Segment #2: Tc: TR-55 Sheet Mannings n .2400 Hydraulic Length 200.00 ft 2yr, 24hr P 3.2000 in Slope .035000 ft/ft Avg.Velocity .17 ft/sec Segment #2 Time: .3310 hrs ------------------------------------------------------------------------ Total Tc 3483 hrs ------------------------- ------------------------- S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type Tc Calcs Page 3.06 Yp g Name. . . . SOUTH OF EHCN File. . . . G: \P2000\481\C10\DRAINAGE\00481C10.PPW ------------------------------------------------------------------------ Tc Equations used. . . ------------------------------------------------------------------------ ___= SCS TR-55 Sheet Flow Tc = ( .007 * ((n * Lf)**0.8)) / ((P**.5) * (Sf**.4)) Where: Tc = Time of concentration, hrs n = Mannings n Lf = Flow length, ft P = 2yr, 24hr Rain depth, inches . Sf = Slope, % SCS TR-55 Shallow Concentrated Flow Unpaved surface: V = 16.1345 * (Sf**0.5) Paved surface: V = 20.3282 * (Sf**0.5) Tc = (Lf / V) / (3600sec/hr) Where: V = Velocity, ft/sec Sf = Slope, ft/ft Tc = Time of concentration, hrs Lf = Flow length, ft w S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 - Type. . . . Runoff CN Area Page 4.01 Name.. . . EXISTING File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW RUNOFF CURVE NUMBER•DATA. . . . . . . . • . . . . . . . . . . • . . . . . : : : : : : : : • . . . . . • : : : . . . : • • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -------------------------------------------------------------------------- Impervious Area Adjustment Adjusted Soil/Surface Description CN acres %C %UC CN ------- -- -- -- -- Meadow, B 58 2.505 58.00 Meadow, C 71 2.505 71.00 COMPOSITE AREA & WEIGHTED CN ---> 5.010 64.50 (65) SIN: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Runoff CN-Area Page g 4.02 Name. . . . PROPOSED File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW RUNOFF CURVE NUMBER DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ---------- Impervious Area Adjustment Adjusted Soil/Surface Description ------- CN acres %C %UC CN Impervious 98 2.640 98.00 Open area, lawn, B 61 1.590 61.00 COMPOSITE AREA & WEIGHTED CN ---> 4.230 84.09 (84) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Runoff CN-Area Page 4.03 Name. . . , SOUTH OF EHCN File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW RUNOFF CURVE NUMBER DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ----------------------------------------------------------- Impervious Area Adjustment Adjusted Soil/Surface Description ------- CN --acres-- %C %UC CN Meadow, B 58 3.220 1 58.00 COMPOSITE AREA & WEIGHTED CN ---> 3.220 58.00 (58) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . �i 1 S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 1 Appendix A A-1 1 Index of Starting Page Numbers for ID Names ----- A ----- ALT OUTLET. . . 6.01, 6.03 --___ D ----- DETENTION'ALT. . . 5.01 ----- E ----- EXISTING. . . 3.01, 4.01 ----- H ----- Hartford County. . . 2.01 ----- P ----- PROPOSED. . . 3.03, 4.02 ----- S ----- SOUTH OF EHCN. . . 3.05, 4.03 SOUTH OF EHCN P. . . 4.04 ----- W ----- Watershed. . . 1.01 L 1 1 SIN: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.S (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Runoff CN-Area Page 4.04 Name. . . . SOUTH OF EHCN P File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW RUNOFF CURVE NUMBER DATA -------------------------------------------------------------------------- Impervious Area Adjustment Adjusted Soil/Surface Description CN acres %C %UC --CN ------- -- Impervious (basin) 98 .214 98.00 Meadow, B 58 3.010 58.00 COMPOSITE AREA & WEIGHTED CN ---> 3.224 60.66 (61) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . �I S/N: D21601006A82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Vol: Elev-Area Page 5.01 Name. . . . DETENTION ALT File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW Elevation Planimeter Area Al+A2+sgr(A1*A2) Volume Volume Sum (ft) (sq. in) (acres) (acres) (ac-ft) (ac-ft) ------------------------------------------------------------------------ 79.00 =_=__ .0000 .0000 .000 .000 80.00 .1650 .1650 .055 .055 82.00 .2420 .6068 .405 .460 84.00 ----- .3240 .8460 .564 1.024 POND VOLUME EQUATIONS * Incremental volume computed by the Conic Method for Reservoir Volumes. Volume = (1/3) * (EL2-EL1) * (Areal + Area2 + sq.rt. (Area1*Area2)) where: ELL EL2 = Lower and upper elevations of the increment Areal,Area2 = Areas computed for EL1, EL2, respectively Volume = Incremental volume between EL1 and EL2 S/N: D21601006A82 Fuss & O'Neill Inc. ' PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Outlet Input Data Page 6.01 Name. . . . ALT OUTLET File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW REQUESTED POND WS ELEVATIONS: Min. Elev.= 79.00 ft Increment = .25 ft Max. Elev.= 84.00 ft ********************************************** OUTLET CONNECTIVITY ********************************************** --> Forward Flow Only (Upstream to DnStream) <--- Reverse Flow Only (DnStream to UpStream) <---> Forward and Reverse Both Allowed ----Structure -No_ Outfall El, ft E2, ft ---------- ------- --------- --------- Stand Pipe ---> TW 83.750 84.000 Orifice-Circular ---> TW 81.000 84.000 TW SETUP, DS Channel S/N: D21601006A82 Fuss & O'Neill Inc. ' PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Outlet Input Data Page 6.02 Name. . . . ALT OUTLET File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW OUTLET STRUCTURE INPUT DATA ' Structure ID = Structure Type = Stand Pipe ------------------------------------ # of Openings 1 Invert Elev. 83.75 ft Diameter = 2.8200 ft Orifice Area = 6.2458 sq.ft Orifice Coeff. _ .640 Weir Length 8.86 ft Weir Coeff. = 3.000 K, Submerged = .000 K, Reverse = 1.000 Kb,Barrel = .000000 (per ft of full flow) Barrel Length = .00 ft Mannings n = .0000 Structure ID = Structure Type = Orifice-Circular ------------------------------------ # of Openings = 1 Invert Elev. 81.00 ft Diameter 1.5000 ft Orifice Coeff. _ .640 Structure ID = TW Structure Type = TW SETUP, DS Channel ------------------------------------ FREE OUTFALL CONDITIONS SPECIFIED CONVERGENCE TOLERANCES. . . Maximum Iterations= 30 Min. TW tolerance = .01 ft Max. TW tolerance = .01 ft Min. HW tolerance = .01 ft Max. HW tolerance = .01 ft Min. Q tolerance = .10 cfs Max. Q tolerance = .10 cfs SIN: D1160100IA82 Fuss & O'Neill Inc. PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 Type. . . . Composite Rating Curve Page 6.03 Name. . . . ALT OUTLET File. . . . G:\P2000\481\C10\DRAINAGE\00481C10.PPW COMPOSITE OUTFLOW SUMMARY **** WS Elev, Total Q Notes ---------------- ---- --- Converge ------------------------- ' Elev. Q TW Elev Error ft cfs ft +/-ft Contributing Structures 79.00 .00 Free Outfall None contributing 79.25 .00 Free Outfall None contributing 79.50 .00 Free Outfall None contributing 79.75 .00 Free Outfall None contributing 80.00 .00 Free Outfall None contributing 80.25 .00 Free Outfall None contributing 80.50 .00 Free Outfall None contributing 80.75 .00 Free Outfall None contributing 81.00 .00 Free Outfall None contributing 81.25 .26 Free Outfall 81.50 .98 Free Outfall 81.75 2.10 Free Outfall 82.00 3.56 Free Outfall 82.25 5.26 Free Outfall 82.50 7.86 Free Outfall 82.75 9.07 Free Outfall 83.00 10.14 Free Outfall 83.25 11.11 Free Outfall 83.50 12.00 Free Outfall 83.75 12.83 Free Outfall 84.00 16.93 Free Outfall 1 �■1 SIN: D21601006A82 Fuss & O'Neill Inc. 1 PondPack Ver. 7.5 (767) Compute Time: 08:52:03 Date: 11/07/2002 ' J , Fuss 4JiG 0Tielll Inc. Consuking Engineers 146 Hanford Road,Mancheste►,CT 08040.5*2 1A m 04H400 FAX ON 643.6313 w'reraueT ww�fusaandoneill.com on,W ORMw West Springfield,Massachusetts Trumbull,Connecticut Providence,2110de Island �:�iu.•J�.i �L L6 December 18,2002 DEC 18 2002 Mr.Jeff Folger douth Winasor `'__ NLAND WETLANDS AGENCY Wetlands Enforcement Officer :ONSERVATION C01,1MISSION Town of South'Windsor 1540 Sullivan Avenue South Windsor,CT 06074 RE: The Caste CorporatiowEastern Connecticut Health Network Application#02-70P Dear Aft.Folger: On behalf of The Casle Corporation, we hereby withdraw our IWA/CC application for the above referenced project. This application and the requisite plans and reports were originally submitted on November 15,2002. We are withdrawing the application at this time in order to provide additional information. We plan to resubmit in approximately one month. Sincerely, Jay J.Giles, .E. Senior Vice President /dmp 0-020001481\001widWrawai Leave JIG 12.18-02Aw Cones.(HQ) DEC.18.2002 3:22PM FUSS & O'NEILL N0. 190 P.2 fQ0 Fuss&O'Neill Inc. Considring Engineers 146 Hartford Road,Manchester,CT 06040-6992 T&eao 046-2469 FAx 66o 64MS13 INTERNET:WWW.fussandoneill.com Olher Offlaw! West Springfield,Massachusetts Trumbull,Connecticut Providence,Rhode Island DEC 18 2002 December 18 2002 South W dsor INLAND WETLANDS AGENCV CONSERVATION COMMISSIOry b&.JeffFolger Wetlands Enforcement Officer Town of South Windsor 1540 Sullivan Avenue South Windsor, CT 06074 RE: The Caste Corporatioa/East=Connecticut Health Network Application#02-70P Dear Mr.Folger: On behalf of The Casle Corporation, we hereby withdraw our IWA/CC application for the above referenced project. This application and the requisite plans and reports were originally submitted on November 15,2002. We are withdrawing the application at this time in order to provide additional information. We plan to resubmit in approximately one month, Sincerely, Jay J. Giles, .E. Senior Vice President /dmp GAP200014811001withdrawal Letter JJG 12.18-02.doe, Corns.(HQ) ' RECEIVE NOV 15 200 ildSOr INLAND WETLANDS AGEf,CY CONSERVATION C0114M1S ION DRAINAGE REPORT ' EASTERN CONNECTICUT HEALTHCARE NETWORK ' BUCKLAND ROAD SOUTH WINDSOR, CONNECTICUT ' November 15,2002 ►rrroep�. 939 e �a p YY fDo FUSS&O'Neill Inc. Consulting Engineers 146 Hartford Road,Manchester,CT 06040-5921 TEL 86o 646-2469 FAX 86o 643-6313 78 Interstate Drive,West Springfield,MA 01089 TEL 413 452-0445 FAX 413 846-0497 ' 56 Quarry Road,Trumbull,CT 06611 TEL 203 374-3748 FAX 203 374-4391 ' The Foundry Corporate Office Center 275 Promenade Street,Suite 350,Providence,RI 02908 TEL 401 861-3070 FAX 401 861-3076 tpW N 8F� -o� o-ie Siaa� ?d&zd4at 1540 SULLIVAN AVENUE • SOUTH WINDSOR, CT 06074 Soe co�'` TELEPHONE (860) 644-2511 To: Jay Giles December 5, 2002 Fuss & O'Neill Inc. 146 Hartford Road Manchester, CT 06040 From: Jeffrey H. Folger Zoning/Wetlands Enforcement Officer Town of South Windsor Re: Appl#02-59P Review of the Expo Center retail project, Evergreen Walk- Buckland Road, plans dated 12/02/02. I have reviewed the site plans for the proposed Northern Hills retail project with the following additional comments: 1. Potential stormwater volume impacts to the Jacques pond need to be evaluated. 2. Evaluate the effectiveness of grass cover in the proposed swale. Sod or stone in the bottom may be required. Where grass seed is applied, the seeding rates for the swale should be included in the details. A seed application rate of not less than six pounds per 1000 sqft should be listed to insure a thick turf establishment. 3. More detail is needed on the outfall from the detention basin. The detail shown does not show required grading or specific treatment to insure that erosive scour will not occur between the outlet and the stream channel. 4. A de-watering structure for the detention basin should be shown. The de-watering procedure should include a provision for treatment of the turbid water by chemical flocculents to settle out suspended fines. 5. The operation and maintenance schedule for the detention basin should include plans for the treatment of the basin with a mosquito larvicide. This should be drafted utilizing DEP and Dept. of Health recommendations. - 6. The construction sequence should include a note that the detention basin and drainage swale must be completed with vegetation fully established prior to paving the site. 7. Please list the seed formula for the eastern slopes on the plan. The slope detail on page CG5.1 shows 4"of topsoil. The topsoil detail on page LP5.1 calls for 6" of topsoil to be applied. Please change the slope detail to reflect the 6"topsoil depth. 8. Landscaping along the proposed swale and basin should provide shade to minimize thermal impacts of stromwater. cc. Town Engineer Inland Wetland/Conservation Commission Director of Planning IWA/CC DEC. 4.2002 12:04PM FUSS & O'NEILL N0.510 P.1 fQ0 Fuss&O Weill Inc. consuiringEngineers 146 Hartford Road,Manchester,CT 06040-5921 mL wo 646-2469 FAX em 643-6313 76 Interstate Drive,West Springfield, MA 01089 TEL 41s 452-0445 FAX 413 84U497 56 Quarry Road,Trumbull,CT 06611 TEL 2D3 374-3748 rAx zbs 374-4391 The Foundry Corporate Office Center,275 Promenade Street,Suite 350,Providence,RI 02908 TEL 4ol 861.3070 FAx 4ot 861-3076 FAX TRANSMITTAL MEMO To Date p . ..... ....... .. ...... ... ... ... . ... . . .., 1 ,� . Q..off.. ...... ...... . .. Compan From ,..... . . ... .. ... .. ... . .,.. ... . . ......X. . ....... . ., Fax# Job No. Telephone# Subject .... ... ............. ... ... .. .. ... ... ... .. .... ... ..... .. .. ... .... . ......„ , ,.. ........ .. .. .. ... ...... .. .. ... .. ... .... . 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NOTE; This facsimile and the information it contains is intended to be a confidential communication only to the person or entity to whom it is addressed. If you have received this facsimile in error,please notify us by telephone and return the original fax to this office by mail. • • , l , ,I Complete Items 1,2,and 3.Also complete A.Signet ; : ■ Complete lterrls 1,2,and 3.Also complete 777, Item 4 tf Restricted Delivery Is desired. ❑Aoenl ; - item 4 if Restricted D®lively Is desired: fitPrint your name and address on the reverse ❑ eeiPrint your name and address on the reversedso that we can retlan the cart[to yav, B. by(Printed C•D � S ; so that we can nature the card to you. ,� 1 Attach this rand to the back of the mailpiece, t , ■ Attach this card to the back of the meilpieee, or on the front if space permits i"j or on the front If space permits. D.Is dellmyadxkess craerant tram Itan 17 E3 Yes t= D.Isdellmyadds differentwn lam 1? w 0 Yes :A Article Addressed la If YES,enter delivery address below. No : 1. Artfge Addressed�: rs if YES,enter delivery address below: E3 No m n PjA�� `- 3. Service B I '_ / n �7 3. Service e , a�(Jt f��A�l�P � Q�.0 11Cr L 40�d/a / � 3 � Ceriitied Mall E3 Express Mail � vv I$'CaAilied Mail O Express Mall ❑ Registered ❑Return Receipt for Merchandise ' � 0 Registered E]Rehm Receipt for Marchand ❑ Insured Mail ❑.C.O.D, l I 13 Insued Mail ❑C.O.D. -1 4. Restricted Delivery?(Extra Fee) ❑Yes 4. Raalrieted Delivery!Prtrs Feebl E3 Yes C in !. Article Number 2. Article Number (Tram Mrftmservics,Mbe))) 7, zW`�S 'OV -/•IRIS- o'�'J (T r> 7 t7L?D —1S 30- !? O/ Il�,�f'-mil 1��� Q° v (ran servlce 'S Form 3811,August 2001 Domestic Rebmi Recut tnzass a1•f.1 zsae. PS Farm 3811,August 2001 Domestic Return Reoo3pt toz5ffs of z • - H t rY r • • t • • Complete[terns i,2,and 3.Also complete A. u ■ Complete items 1,2,and 3.Also complete A. ftnatwe item 4 0 Restricted Deliveryis desired Q Addressee ; item 4 if Restricted Delivery Is desired. �/ 13 Agent Print your name and address on the reverse X O Agent ItPdnt your name and address on the reverse X Kt 0 Addressee so that we can return the card to u. so that vie can rearm the card to you. � B. Received by( fume) G. Data of DelNay+ 6 ec ved by{Prioxed ifarrre} C.Date of Delivery ■ Attach this card to the back of the mail leas, Attach this card to the back of the rnailpiece, P or on the front if space permits. Z or on the front if space permits. 2- Article Addressed to- D.Is dPliveryaddress dirfemnl hom hem]? ❑Yes 1. Article Addressed to: D. Is delveryaddiew different from item 12 13 Yes If YES enter delivery addlress below: E]No It YES,enter delivery address below: ❑No 71 - / JL CL Service �; R���� 3. Type 1�Certified Mail 13 Express Mai !i Z ��� f l4Cerlined Mali E]Express Mail 13 Registered 13 Return Receipt for Merchandise i3 Registered ❑ReturnReoelpt for Merchandise ❑Insured Mail 13 C.O.D. ;; E]Insured Mall O C.O.D. 4. Restricted Delivery?F Am Fee) 13 Yes li 4. Restricted Delivers?Para Fee} []Yes 0 Articbe Number ZOOM 1530— /^ AP5'._ l tr 2. Article Number �j gT�— 1A f_3^ A (Rawer from servke label) ! 7 3�i �5 (Aansfsr frown sendds f&W /dam/s 0 t J / m Form 3811,August 2001 Domestic Return Receipt ,asses ot•rn z9os .PS Form 3811.August 2001 Domestic natum Receipt :to¢s95 Dt.M 2r W • ■ Complete Items 1,2,and 3.Also complete A. ,�/ ; item 4 if Restricted Delivery is desired. J"'Age M ■ Print yow name and address on the reverse X Addressee ` 'a re ■ n so that we can return the card to you. B. R.%Wed by(Printed Name) G.Yate Del we b o y ■ Attach this cans to the back of the mailplece, or on the front if space permits. 1 m ' 9 53— A 3 E ry D. Isdeltmyaddraeadilf werown UM 4? Yes [u z �Ss � m I. AruclsAddresaed to., �,y K �'' m 3 a O ® p m B YES,enter address below: No —. N � 3 CD rr7,,,�, ( ©rF7' t o v CL3, Service TVPe ZE. 3 u f. Id Certified Mall ❑ Express Mail p y Si ❑Registered ❑ Return tieoeipt for Mercharrdtse a �o a TI ❑Insured Mail ❑G.O.D. C m C 4. Resglcted Delivery?0&*ff Feel ❑Yes #- Q d 2. Article Number s� � (Traruterframsa�vlraIraaelJ /d�� Coo/ —11A1 5A P ll��1 Z n' PS Form 3$11,August 2001 Domestic Realm Reoaipt ID oa - , - _ I - s , CO ■ Complete items 1,2,and 3.Also complete A *nature 1= F '�. %. Item 4 if Restricted Delivery is desired. ❑Aq'- ■ Print your name and address on the reverse X ' i3 �rl ❑❑❑ so that we can return the card to you. B. Reoei eed by(Prir+te' 7`3; Data of Dolivdry • ' O , a Attach this card to the back of the w0p'tece, (} -t di•LClfL or on the front if space permits. 1 o or -3 ! D. is delimyaddress different from Item 17 E2 Yee i � � o � ! 1. Article Addressed to: If YES,enter delhwy address iecw: ❑No _ i r P i ❑�� ❑❑ rho❑z � a �C 1 t _ �� r'U 3. senrke type I z owtMed MWI ❑Express Mail Z ❑ Registered ❑Return Receipt for Merchandise I O ❑Insured Mall ❑C.O.D. 4. Restricted Deliveryft P&3 Fe4 Cl yes ; ,- - _ _ CD 2. Astlda Number 'Jil77jt.•f J`'.30 , O/r�raZ�—; 8� :;s ; t - - t (Transfer from service ilabefJ'', `�"�I t• . : 7 � - ._ - - - _ - - _= Ps Form 3811,August 2001 DomesW Return Reoelpt 9o-zsasol- sh -. _ �_4 t w J� FUSS&O'Neill Inc. Consulting Engineers 146 Hartford Road,Manchester,CT 06040-5992 TEL 86o 646-2469 FAX 86o 643-6313 INTERNET:www.fussandoneill.com Other Offices: West Springfield,Massachusetts Trumbull,Connecticut Providence,Rhode Island November 15, 2002 Mr. Jeff Folger RECEIVED Wetlands Enforcement Officer Town of South Windsor N 0 V 15 2002 1540 Sullivan Ave South Windsor South Windsor, CT 06074 INLAND WETLANDS AGENCY CONSERVATION COMN41SSION RE: IWA/CC Application The Casle Corporation Eastern Connecticut Healthcare Network Dear Mr. Folger: Enclosed are 15 copies of the application, 3 copies of the plans and 3 copies of the drainage report for the above referenced project. The project includes the construction of a 39,820 square foot medical office building with 213 parking spaces on 4.26 acres of land at the intersection of Buckland Road and Deming Street. The proposed site has been used for agricultural purposes for many years. Pumpkins were grown on the parcel this past season. The on-site wetlands have been disturbed time and time again for many years and purportedly underdrained by farmers in past years. In order to mitigate the disturbance of approximately 2.11 acres of currently disturbed wetlands, the applicant proposed to create two (2) vernal pools on the west side of Plum Gulley Brook and to dedicate 2.5 acres of land surrounding the pools as a permanent conservation area easement. Sincerely, Ja . Gile , E. Senior Vice President Post-it®Fax Note 7671 Date(( �.L pa9es� To �N From Co./Dept. J Co. GAP2000\481\C10\App1ication letter JJG 11-15-02.doc Phone# Phone# Corres.(HQ) IF # � 5. C Fax# TOWN OF S6UTH WINDSOR STAFFSITE CHANGE FOR SITE & SUBDIVISION GENERAL: x CHANGE-ORDER CONTACT PERSOW_bz.iA-a aArt=oV-:> Phone No. $c.©• 4"�4 Scac�c� Address Zvo Asa `.mot AvQ^a Site Name '.} P&Z No. -onOwri�r ", Phone No. et o-6.vs -Sc ab Contractor Zr Signature of owner Dater Signature of Design r: Dates CHANGE.- (Describe location and nature of change. Include Four (4) copies of plan/profile of Change. ) =' ;3�,;,q..:t was��►7•,T3ti`.1+� ,�s `�u8"'�'�;a.�, `+�a,.►y `v , . •c, rtic:� ArK.ffi1€it ►�.oc. asss ,4+isrr�.: 3 $� « Y' A Reason for. Change: (Why is change required) All APPROVALS: (As Required) y. _. Dir. -Of Planning Date: Town Engineer Date: Dir. of Public Works ` Date; .' Other: Dates 7 UT_ ;M STAFF C6WFTS: y, 4 White - Town Engineer Yellow Applicant Pink - Director of Planning Goldenrod - Engineering Department NEW ENGLAND BLACKLEDGE ENVIRONMENTAL RIVER SERVICES NURSERY March 5, 2007 Mr. Jeff Folger Planning Department South Windsor Town Hall 1540 Sullivan Avenue South Windsor, CT 06074 RE: ECHN Created Wetland South Windsor, Connecticut Dear Mr. Folger: The ECHN created wetland was monitored on June 6, 2006, August 2, 2006 and August 23, 2006. June 6, 2006 was the first day of planting the created wetland. Approximately 1,500 Broad-leaved Cattail seedlings were pulled from the wetland. The cattails had germinated in the wetland as a result of wind blown seeds. The water level in the wetland was full and surface water was exiting the wetland. The following wetland plants were installed in the created wetland on June 8 &9, 2006: 3,000 Scirpus pungens 3,000 Sparganium americanum 3,000 Sparganium eurycarpum 400 4corus americanus 100 Carex comosa 350 Carex lupulina 200 Carex lurida 500 Carex stipata 400 Carex stricta 200 Carex vulpinoidea 150 Juncus canadensis 200 Juncus effusus 200 Leersia oryz&des 200 Scirpus cyperinus 200 4sciepias incarnata 200 Iris versicolor 1,000 Scirpus validus 5 lbs. Sagittaria latifolia seeds On August 7, 2006 approximately 1,200 Broad-leaved Cattail were eradiated by spraying the plants with the herbicide "Rodeo". The majority of the emergent plant species (Scirpus Pungens, Sparganium americanum, Sparganium eurycarpum, Scirpus validus, Sagittaria latifolia) had germinated and the plants were above the water surface. The survival rate of the Scirpus pungens was low. The Sagittaria latifolia germination was excellent. 41isma subcordum colonized the wetland and was abundant. The survival rate of the sedges and rushes, which were installed in the wet meadow, was excellent. The wildlife observed in the wetland on August 7, 2006 includes Great Blue Heron, three wood ducks, six mallards and green frogs. Fish swirls were observed in the wetland. The fish species could not be identified. On August 23, 2006 approximately 300 cattails were eradicated by spraying the plants with the herbicide "Rodeo". The majority of the wetland plants began to "brown-up" into dormancy for the winter. Overall, most plant species were doing well. Competition for light had began among some of the plant species. I expect to see the population of some species to decline as the more aggressive plant species 155 JERRY DANIELS ROAD, MARLBOROUGH, CT 06447(860)295-1022 Mr. Jeff Folger Planning Department RE: ECHN Created Wetland South Windsor, Connecticut March 5, 2007 Page 2 over take the less aggressive plant species. This is a natural process and is expected to happen in a created wetland. All of the plants were not installed in 2006. The following plant species need to be planted in 2007: 1. Pontederia cordata 5,000 2. Carex lacustris 600 The Pontederia cordata will be planted in the deep central portion of the wetland which has not been planted with any species to date. Tim Hara, of Greenscape, informed me on February 27, 2007 that the plants are ordered and will be planted in April or May 2007. The following items need to be accomplished in 2007: 1. Plant the remaining plants. 2. Eradicate the Phragmites patch growing in the wetland south of the wetland creation area. Eradiate the Multiflora Rose growing on the edge of clearing around the created wetland. The eradication of the Phragmites patch south of the created wetland and Multiflora Rose is being conducted by Greenscape. The eradication of any Phragmites and cattails in the wetland is being conducted by New England Environmental Services. The hydrology in the created wetland is correct for the three types of wetlands designed in the created wetland which includes: 1. Wet Meadow 2. Shallow Water Marsh 3. Deep Water Marsh The side slopes of the created wetland has been stabilized with a healthy stand of grass species. The created wetland will be monitored in 2007 and 2008. If you have any questions,please do not hesitate to contact me. Sincerely yours, R. Richard Snarski Certified Professional Soil Scientist#1975 Professional Wetlands Scientist Certified Sediment&Erosion Control Specialist#200 RRS:srh c: Brian Larson F y� n� Wetland creation area before excavation October 3,2005 k Wetland creation area during excavation November 1,2005 Wetland creation area during excavation November 1, 2005 i / --.--ter„� s�4"4 £�`,• _ yv 1 Created wetland being planted June 8,2006 Created wetland August 2,2006 'ry Created wetland August 23,2006 6 SUMMARY OF MITIGATION MEASURES 6.1 CONSTRUCTION PHASE Traffic, Parking and Circulation. Construction traffic would follow all posted speed limits and pedestrian crossing rules for maximum safety of pedestrians. Construction traffic would use Ellington Road and the western portion of Chapel Road,both of which have limited residential usage and direct access to Route 5 and I-291. Responsible Parry: Site developer Review Agencies: STC, South Windsor PZC Air Quality. Temporary impacts to air quality would be mitigated through the use of - BMPs such as minimization of exposed erodible earth area, stabilization of exposed 5 earth, work areas, haul roads and stockpiled material,use of covered haul trucks, and minimizing the transport of soil by construction equipment from unpaved to paved Lv✓� surfaces. Increased emissions from construction related traffic would be mitigated through implementation of appropriate traffic controls, such as limiting idle time of heavy equipment to 3 minutes, as required by Section 22a-174-18(b)(3)(C)of the RCSA, and using construction equipment with air pollution control devices. , The potential for fugitive dust would be mitigated by the use of watering trucks and, if necessary, fencing to minimize dust transport to offsite properties. Responsible Party: Site developer, construction contractor Review Agencies: South Windsor PZC and IWWAC Noise. Noise impacts to the surrounding area would be minimized by limiting construction activities to weekday, daytime work hours. The noise mitigation measures used during construction would be subject to the continuing approval of the site engineer. Responsible Party: Construction contractor Review Agencies: South Windsor PZC Water Quality. Erosion and sedimentation control would be applied through the use of erosion and sediment control measures, and BMPs,to prevent polluted stormwater from running off and entering surface waters. If the project involves disturbance of one or more acres of land, a SWPCP would be developed and maintained onsite at all times to ensure that construction would satisfy conditions under the General Permit for the Discharge of Stormwater and Dewatering Wastewaters Associated with Construction Activities, administered by the DEP. Responsible Party: Site Developer, construction contractor Review Agencies: DEP Inland Water Resources Division(IWRD), South Windsor IWWAC I-291 Gateway EIE South Windsor, Connecticut 6-1 Wetlands. Erosion and Sedimentation Control Plans, as required by Town regulations, would be implemented for each construction project so that wetland resources are protected. Responsible Party: Site developer, construction contractor Review Agencies: South Windsor IWWAC Rare Species. Erosion and sedimentation controls would be properly placed during construction to protect tiger beetle habitat and grasshopper sparrow habitat during construction. Construction vehicles would not be allowed in either habitat area. Responsible Party: Site developer, construction contractor Review Agencies: DEP IWRD and Wildlife Division Toxic and Hazardous Waste. If development were pursued in the far northwest corner of Area A, a subsurface investigation would determine if the area was impacted by offsite historic release(s) of chlorinated solvents. If the investigation determined that the area was impacted by the chlorinated solvent release(s), construction workers would be provided with appropriate PPE. Any chlorinated solvent-impacted soils would be disposed as hazardous waste. The exisiting buildings onsite would be evaluated for the presence of asbestos, lead paint tanks. If asbestos and/or lead were present in the buildings,the demolition debris would be disposed as hazardous waste in compliance with applicable state and federal regulations. Any tanks would also be properly disposed in compliance with applicable regulations. If any soil and/or groundwater contamination were discovered and/or caused during construction activities, it would be reported and remediated in accordance with applicable regulations. Responsible Party: Site developer, construction contractor and/or previous land owner Review Agencies: DEP Remediation Division Cultural Resources No construction will begin in areas identified as having moderate or high archaeological sensitivity potential until a Phase 1 B Archaeological Survey is conducted and the State Historic Preservation Office(SHPO)has determined that there would be no significant impact to archaeological/historical resources and/or the impacts to such resources have been adequately mitigated. The archaeological investigations and subsequent approval obtainment is the responsibility of the developer and/or landowner. Responsible Party: Site developer, construction contractor Review Agencies: Connecticut Commission on Culture and Tourism(a.k.a. State Historic Preservation Office) I-291 Gateway EIE South Windsor, Connecticut 6-2 6.2 OPERATION PHASE Traffic. Parking and Circulation. Site development associated with the Proposed Action would generate traffic to the local roadway network. All intersections studied,however, would operate at acceptable levels of service(LOS D or better) in the year 2010. The traffic analysis in this EIE indicates that no roadway improvements are required. However, if the forecasted trip distribution changes to include a higher number/percentage of vehicles coming to the site from the west on I-291,then an additional through lane at the I-291 Eastbound Off Ramp at Route 5/Ellington Road may be needed. An additional through lane on the I-291 EB off ramp running through to Ellington Road could be constructed with no impact to natural resources or properties. Responsible Parry: Site developer Review Agencies: STC, South Windsor PZC Air Quality. Stationary sources of air pollution including,potentially, emergency generators that are part of ongoing industrial operations for facilities in the project area may require registrations or permits from DEP. Such requirements will depend on the size and type of equipment used. Responsible Parry: Site businesses Review Agencies: DEP Air Management Bureau Noise. Although the operation of the site is not anticipated to be a significant noise generator,noise emanating from businesses would be requlated by the Town's zoning ordinance. Responsible Party: Site businesses Review Agencies: South Windsor PZC Water Resources and Quality. The project would comply with stormwater management standards specified in section 25-68d of the CGS and section 25-68h-3 of the RCSA and the Town of South Windsor zoning and wetlands regulations. The site development would be required to maintain a Zero Increase in Runoff(ZIRO) ZIRO condition as required by the Town. This would require onsite detention of generated flows from impervious surfaces to control the rate of runoff offsite. A combination of both temporary stormwater detention onsite and direct discharge to the Podunk River may be required to mitigate potential impacts caused by the additional stormwater runoff volume which would be generated by the creation of new impervious surfaces, as well as the site's location near the Podunk River Subregional Drainage Basin outlet. If feasible, the new system could connect to existing discharge points to the Podunk River. I-291 Gateway EIE South Windsor, Connecticut 6-3 The 2002 Connecticut Guidelines for Soil Erosion and Sediment Control(CT Council on Soil and Water Conservation, 2002)the 2004 Connecticut Stormwater Quality Manual (DEP, 2004a)would be consulted in design of stormwater management systems. Responsible Party: Site developer Review Agencies: South Windsor PZC and DEP IWRD Wetlands. Wetland in the eastern portion of the project area would be permanently protected through a conservation easement that includes the wetlands themselves and a significant upland buffer(Figure 6-1). The creation of such an easement would be facilitated by the Town in conjunction with the pertinent land owners. The easement would be granted either to the Town or to a local conservation organization. - - - - Responsible Party: Site developer - -- - - - - - - - Review Agencies: South Windsor IWWAC and Planning Department Rare Species. The tiger beetle habitat would be protected in perpetuity through a conservation easement that would prohibit development or construction in this area. Work within the grasshopper sparrow habitat would only be allowed when suitable offsite mitigation has been established or, if subsequent annual surveys indicate that the grasshopper sparrows do not consistently use this grassland patch from year to year. This would be subject to review and approval by DEP. The creation of conservation easements for the tiger beetle habitat will be initiated by the Town in conjunction with the pertinent property owners. The easement would be granted either to the Town or to a local conservation organization. Responsible Party: Site developer Review Agencies: DEP Wildlife Division Toxic and Hazardous Materials. If a subsurface investigation determined that the northwest corner of Development Area A was impacted by offsite historic release(s) of chlorinated solvents and structures are constructed over the contamination plume, subslab vapor removal systems and/or vapor barriers would be integrated beneath the foundation. Any minor oil spill captured by stormwater in parking areas would be treated prior to discharge as described in Section 3.1.3.3. Any hazardous materials and/or wastes stored onsite in future developments would be managed in accordance with state and federal regulations and BMPs for chemical storage,handling and disposal. Any significant releases of oil and/or hazardous materials would be reported and remediated in accordance with applicable regulations. Responsible Party: Site developer,businesses Review Agencies: DEP Remediation Division, EPA I-291 Gateway HE South Windsor, Connecticut 6-4 REPORTTX •: 'NO. 3030 i SEND DOCUMENT i • r • • .•. 14135258348 F: NEW ME MEN EVMI .w-✓'�'� L ice`^ a � � <�" ��'F'�'�,'�,.,-�' v•: .,�..��� �:T�g� -s, ,.,�r� 1. ��ems,- �_�"" .�-yam--� `�--c�'-.��x.� "�^' ✓✓n �'�� � W � x�._.2,�.._z•�"�.�-r-ass � . ��.�.... -,...-__�- r• .er- �aa^ 4�."rtz. ,.;�., yr _F- .-.;Qmg3� �d'�"`"��' �-•- ..max ...:.Ib`c 6.m. ,�f � '°.-�.�x3 NO Potential Conservation Easement Areas. Tiger Beetle Conservation Easement(9 acres) a ED WetlandNernal Pool Complex •. Conservation Easement(41 acres) .e z �Az •ssar:' , R4 � �� s,Y' � c.Y J� x ��e !£ x•a' 3a Cs' nar 0 250 500 1,000e Figure 6-1: Potential Conservation Easement Areas >, SOUTH WINDSOR Q Project boundary wmanacomples rownlxeemaadw.timaumlt I-291 GATEWAY Tiger Beetle Habitat Gtbar—I..dArea. ENVIRONMENTAL IMPACT EVALUATION d n, J ••.. Grasssoppar Sparrow Habitat Potential Vemal Pools Baystate Environmental Consultants,Inc. East Hartford,CT&East Longmeadow,MA �, .,,� � #,� � & : '�a b•'� F as�t•� a°«� w ? •�a" �°«C'�`hz�.. ..� �r u""w�q wn�a .a"a a5... � !, eFy � R t „ 4 � ,x t! �w! zMoll � s �!•� r^ a,� a� w w e •�! �1 y ew:..e.1.-v�: ", �i y�a .a ,a t a a �,.. "� y Jt i''„�.k �° •� '"' " -� '«e �:.,. 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'`�'w ' d .� a � '�„'�"x ti iu ,^„w!,rw w � 5 a w L •a'� n r 0.`yr•,:' #»a'� k {'n,„. 3 d '*nu;m ^w F. � ���sh �,•���raaa,�"�' � �aa � w ,, w. e a �� �� "'_ r ?, u^a a 3w � p x a s k ii w a u a ;;,� Ti�'� vw '�.a a��a�� � w"'. ri��� � a b�:,a ,s �a• t .w !tw Y r„ w'`"9 �`^« �a' F i � k i i•N'Y ?a� k! F" ✓'6 1 S n � G w:���* „r«u � ,.^t"� `n tiw'' E �»�!`"* +vf�'� � .� 1r:. � ""1 �.•a : v gw ;"�� F�a�` � a'�ae� � x ayF�"'!^. ? �x'^^i".'«"�a ��,a.'t3�>�� & \y� w. ,. it„e� ;" 'a"i'`� •�"a �^a• Y u�av �t a a& � a a a as � s•a^a, �!a r `f3 k µ.:°qM nand s �.- r' V �aa a�k, «st n, an3 •a eS ,� ,aw"fi, laa'€ a i aY"§ "a a nnr w, �` "� Feet Created by South Windsor Planning Department ft.-thW111CiSOi p h AA 010000 400 600 800 Mapping provided by SBCged under conhact.Data managed by theInformation Technobgy Department. ptyllJNu�. Li 12 SaS 83H Created Wetland June 25, 2008 Created Wetland July 24, 2008 Sd ,. Created Wetland August 12, 2008 NEW ENGLAND BLACKLEDGE ENVIRONMENTAL RIVER SERVICES NURSERY RECEIVED February 2, 2009 Mr. Jeff Folger SOUTH MOOR PLANING DEPT. Environmental Planner Town of South Windsor 1540 Sullivan Avenue South Windsor, CT 06071 RE: Evergreen Walk South Windsor, Connecticut Dear Mr. Folger: The three detention basins and restored wetlands along the trunk sewer were monitored on June 25, 2008, July 24, 2008 and August 13, 2008. The three detention basins are numbered as follows: Detention Basin 1 - Formerly Expo Biofilter Detention Basin 3 - Central Basin Detention Basin 4 - Wetland Biofilter adjacent to ECHN created Detention Basin 1 This basin is formerly known as the Expo Biofilter. The dominant plant species present in the Biofilter are Pickerel Plant, Soft-stem Bulrush, Giant Burreed and Arrow Arum. Other plant species present include Soft Rush, Duck Weed and Wool Sedge. The percentage of vegetative cover is approximately 75%. Eight cattails were eradicated from the Biofilter by digging the plants. The wildlife observed in the Biofilter includes Great Blue Heron, Black Duck, Commerant, Mallard Duck, Canada Geese, Green Frogs, Bull Frogs and Dragon Flies. Muskrat and deer tracks were observed in the mud. The herbaceous wetland plants are established. No remedial measures are needed. Detention Basin 3 Detention Basin 3 was not required to be planted. Arrowhead seeds were seeded on the edge of the basin in 2006. The plant species growing on the edge of the basin include Soft-stem Bulrush, Arrowhead, Giant Burreed, Bottle Sedge, Soft Rush, Narrowleaf Goldenrod, Fox Sedge, Lurid Sedge, Spike Rush Rice Cut Grass and Fringe Sedge. A diverse plant species Marsh Fringe g P g g A P g developed on the edge of the basin. The wildlife observed in the basin includes Green Heron, Canada Geese, Green Frogs and Bull Frogs. No exotic invasive plants or cattails occur in the basin. No remedial measures are needed. 155 JERKY DANIELS ROAD, MARLBOROUGH, CT 06447(860)295-1022 Mr. Jeff Folger Environmental Planner Town of South Windsor RE: Evergreen Walk South Windsor, Connecticut February 2, 2009 Page 2 Detention Basin 4 The dominant plant species in the basin include Giant Burreed, Soft-stem Bulrush, Arrowhead and Pickerel Plant. Other plant species include Three Square Rush, Arrow Arum, Spike Rush, Narrowleaf Goldenrod, Wool Sedge and Soft Rush. Willow shrubs are growing on the edge of the wetland and central birm. The vegetative cover is 75 - 80%. Fifteen cattail plants were eradicated with an herbicide. The wildlife observed in the wetland includes Great Blue Heron, Canada Geese, Mallard Ducks, Eastern Water Snake, Green Frogs and Bull Frogs. No exotic invasive plants occurred in the wetland in 2008. The herbaceous vegetation is established. No remedial measures are needed. Three Restored Wetlands along Trunk Sewer Wetland Crossing 1 is next to Clark Street. The dominant species in the wetland is Narrowleaf Goldenrod, Sensitive Fern, Skunk Cabbage, Lurid Sedge, Jewelweed, Soft Rush, Rice Cut Grass, Arrowleaf Tearthumb, Umbrella Sedge and Red Clover. The wetland is fully vegetated with herbaceous plants. The wetland had been mowed at the time of the July 24, 2008 monitoring period. The width of the mowing was approximately 30 feet. All the planted trees and shrubs were cut. The wetland was mowed and the shrubs were cut on all three wetland crossings. The mowing did not effect the survival of the herbaceous wetland plants. No exotic invasive plants occur in the wetland. Wetland Crossing 2 is a small wetland crossing. The plant species growing in the wetland include Rice Cut Grass, Jewelweed, Soft Rush, Lurid Sedge, Narrowleaf Goldenrod, Arrowleaf Tearthumb and Red Fescue. The wetland is fully vegetated. No exotic invasive plants occur in the wetland. No remedial measures are needed. Wetland Crossing 3 occurs over Plum Gulley Brook. The vegetation growing in the restored wetland includes Rice Cut Grass, Jewelweed, Skunk Cabbage, Green Bulrush, Lurid Sedge, Red Clover, Soft Rush, Boneset, Narrowleaf Goldenrod, Beggar's Tick, Joe-Pye-Weed, Creeping Red Fescue, Arrowleaf Tearthumb, Wool Grass, Arrowhead and Soft-stem Bulrush. No exotic invasive plants occur in the wetland. The ATVs traveling through the wetland still occur, but did not created deep ruts in the soil which occurred in 2006 and 2007. The Silky and Red-osier shrubs, which were planted on the bank of Plum Gulley Brook, were cut during the mowing of the sewer line. The planted shrubs which were cut in the sewer line may resprout in the spring of 2009. Mr. Jeff Folger Environmental Planner Town of South Windsor RE: Evergreen Walk South Windsor, Connecticut February 2, 2009 Page 3 This is the third and last year for monitoring the wetlands as specified in the site plans. If you have nay questions concerning this monitoring report,please call me. Sincerely yours, R. Richard Snarski Certified Professional Soil Scientist#1975 Professional Wetlands Scientist Certified Sediment &Erosion Control Specialist#200 RRS:srh (Y Wetland Basin 4 June 25,2008 a ; Wetland Basin 4 July 24,20008 Wetland Basin 4 August 13,2008 Wetland Basin 4 June 25,2008 Wetland Basin 4 July 24,20008 Wetland Basin 4 August 13,2008 Basin I June II ; Basin I m y 2008 i G Basin iu r: Basin 3 June 25,2008 AIL -01 " Basin 3 June 25,2008 Basin 3 June 25,2008 Trunk Sewer Wetland Restoration Wetland Crossing 1 June 25,2008 Trunk Sewer Wetland Restoration Wetland Crossing 1 July 24,2008 Trunk Sewer Wetland Restoration Wetland Crossing 1 August 13,2008 Trunk Sewer Wetland Restoration Wetland Crossing 2 June 25,2008 Trunk Sewer Wetland Restoration Wetland Crossing 2 July 24,2008 Trunk Sewer Wetland Restoration Wetland Crossing 2 August 13,2008 Trunk Sewer Wetland Restoration Wetland Crossing 3 June 25,2008 Trunk Sewer Wetland Restoration Wetland Crossing 3 July 24,2008 Trunk Sewer Wetland Restoration Wetland Crossing 3 August 13,2008 NEW ENGLAND BLACKLEDGE ENVIRONMENTAL RIVER SERVICES NURSERY OCT ej E February 27, 2009 sou NwA..- Mr. Jeff Folger ,Vx t%114 loN Environmental Planner Town of South Windsor 1540 Sullivan Avenue South Windsor, CT 06071 RE: ECHN Wetland South Windsor, Connecticut Dear Mr. Folger: The ECHN created wetland was monitored on June 25, 2008, July 24, 2008 and August 13, 2008. On June 25, 2008 approximately 30 cattail plants were eradicated from the wetland and 12 Phragmites plants were eradicated. On August 12, 2008, 21 Cattail plants, 8 Purple Loosestrife and 13 Phragmites were eradicated by spraying the plants with the herbicide "Rodeo". The large Phragmites patch south of the created wetland has not been totally eradicated. I was inforMed by Paul Duran of the Casle Corporation that the Phragmites patch was sprayed by their landscaper in July of 2008. Many Phragmites plants�vore alive in the patch on August 12, 2008. The plant species growing in the marsh section of the wetland are Giant Burreed, Pickerel Plant, Arrowhead, Water Plantain, Spike Rush and Three Square Rush. The plant species growing in the wet meadow sections of the wetland include Soft Rush, Blue Flag Iris, Swamp Milkweed, Lurid Sedge, Hop Sedge, Narrow-leaf Goldenrod, Broom Sedge, Fox Sedge, Green Bulrush Bottle Sedge, Rice Cut Grass and Blue Vervain. The wetland has a high plant diversity. The hydrology in the wetland is correct for a wet meadow, a shallow water marsh and a deep water marsh. The vegetative cover in the shallow and deep water marsh is approximately 90%. The wildlife, or wildlife tracks, observed in the wetland include Great Blue Heron, Green Heron, Snowy Egret, Wood Ducks, Mallard Ducks, Canada Geese, Eastern Water Snake, Green Frog, Bull Frog, Muskrat, Deer, Red-wing Blackbird. Fish swirls were noticed in the deep water marsh. The wetland is established with a diversity population of native herbaceous wetland plants. No additional planting is necessary. Recommendation: The large Phragmites patch south of the marsh needs to be totally eradicated as required by the wetland permit. The Phragmites patch produces seeds which blow into the created wetland. The threat of Phragmites establishing in the created wetland is high as long as the Phragmites patch exists. 155 JERKY DANIELS ROAD, MARLBOROUGH, CT 06447(860)295-1022 Mr. Jeff Folger Environmental Planner Town of South Windsor RE: ECHN Wetland South Windsor, Connecticut February 27, 2009 Page 2 This is the third and last year of monitoring the created wetland. If you have nay questions concerning this monitoring report, please call me. Sincerely yours, R. Richard Snarski Certified Professional Soil Scientist#1975 Professional Wetlands Scientist Certified Sediment &Erosion Control Specialist#200 RRS:srh cc: Paul Duran