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HomeMy WebLinkAbout08-22W Graham Road Culvert Replacement 04/1r4/2008 MON 12:13 FAI 860 644 7280 South 'Windsor Town Ha l zooss'olo J 4 _ RFcFi� ry M FD TOWN OF SOUTH WINDSOR Sour �r n6j _ 8wINDSORp1A1V 1V / NG j DFp 7 INLAND WETLANDS, WATERCOURSES AND CONSERVATION APPLICATT "T T ' Application# �0 Uy Date Received INSTRUCTIONS 1. Fifteen applications (I5)with map and playas (2 copies) shall be submitted together with the fee set forth in the Inland Wetlands, Watercourses and Conservation Regulations, Torn �of South Windsor. (See Regulations, Section VU- 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 V II.-X) 3. The applicant understands that this application is to be considered complete only when all i.nforrriation and documents required by the Agency have been submitted. The applicant shall. also complete the state filing form. A.4Appheant'sName; Mr . Jeffrey B. Doolittle , Town Engineer Address', -Town of South Windsor _ Phone; (home) (work) 860-644-2511 (fax) 860-644-7280 B.,Legal.owner's name: Town of South Windsor 06074 Address 1540 Sullivan Road , En ineering Dept 06074_�_._�_! Phone(botne) (work)same as above (fad) Same as above (List additional owners, addresses, and phone nun beis on back of application) . ..... -C. If the applicant is not the owner of the subject pzoperty 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 andL=itiori Graham Road culvert replacement project _ 1. Contact Person(if further information is needed) Mr . Doolittle + (work) same as above(Pax) same as above E. The geographical location of the property which is to be affected by the proposed regulated activities 1. 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#- 2 farce! Zone. 0 tic pp t:,� A3 - —e J)el,T�'ex-4 a de,cc �� 7 04114A 008 MOO 12: 1.4 FAk 860 644 7280 South win(Is or•.Twvn I1a11 zoo9]0l0 F, blames of, all abutting property owners from records in Town Clerk's office. (use separate sheet if necessary) See attached 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 © .** (you are required to suool a copy of the letter with t ** (Y �l .� y .} r he 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: See attachmdnt (A) for H—N below — 1. A class A-2 map of the property dravrn to 1" =40', showing the area to be developc,d, extent of the wetlands and watercourses affiec-ted, topography, existing and proposed activities and narn.es and locations of adjacent property owners must be submitted- J. Amount of regulated area disturbance and types of fill (including wetlands and 80 foot Upland. Review Area)". K. Acreage of wetlands and watercourses in regulated areas to be altered: . _ L. Acreage of wetlands and watercourses to be created: M. hineal.feet of proposed stream alteration. N. Total land area of project and percentage,which is wetlands: 0, identify all other permits or approvals that have been issued, applied for, or rmuired. with respcct to the proposed activity set forth in this application. (These may include but not be.limited to, local Planning L Zoning) Zoning Board of Appeals, .D.E.P., F.E.M.A., D.O.T., "I nc Army Corps of Ezrgineers, and any other State,Local or Federal Permits.) TBD P. The applicant (or designated representative) hereby attests that a sign will be postecl at the following locations) Graham Road project site . Dy_ Name Mr . Doolittle onorbeforethefollowinrdate Ten days Prior to date s OV11/2008 MON 12:14 FAX 860 644 7280 South Windsor Town Ball 11010/o10 t Signature: j"J n C,- 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 for 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 r 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 otlienvise evaluating the malts of the application both before and after a final decision has been issued. Signature of Owner of Property Date Signature o Applicant Date�T�6 9 May 15, 2008 Mr. Jeffrey Folger, Environmental Planner Town of South Windsor 1540 Sullivan Avenue South Windsor, CT 06074 Re: Replacement of the Graham Road Culverts South Windsor, Connecticut Dear Mr. Folger: Please be advised that I authorize the Town of South Windsor on behalf of the Pinewoods Association,to submit applications to the Inland Wetlands Agency/Conservation Commission, and any other land use agency for improvements associated with the replacement of the Graham Road Culverts on the property owned by the Pinewoods Association adjacent to Graham Road. Very truly yours, a"iJ, Angela Nason, President,Pinewoods Association 24 Wapping Avenue South Windsor, CT 06074 (Representing the Pinewoods Association) film +ve i t\00- 11ooc P�sSoc May 15,2008 Mr. Jeffrey Folger, Environmental Planner Town of South Windsor 1540 Sullivan Avenue South Windsor, CT 06074 Re: Replacement of the Graham Road Culverts South Windsor, Connecticut Dear Mr. Folger: Please be advised that I authorize the Town of South Windsor to submit applications to the Inland Wetlands Agency/Conservation Commission, and any other land use agency for improvements associated with the replacement of the Graham Road Culverts, on the private property located at 110 Graham Road. s Bruce Crisp Kimberly Crisp 110 Gr amr a South Windsor, CT 06074 i ATT ACHMENT A Graham Road Culvert Replacement Project MMI#2186-04 May 5, 2008 This attachment details information required as part of the Inland Wetlands Application, Sections H through N. As part of a townwide road and drainage improvement program, the existing culvert at Graham Road is being replaced due mainly to the deterioration of the existing culvert and headwalls. Twin 48-inch reinforced concrete pipe culverts presently extend under Graham Road north of the intersection with Ayers Road. The culverts convey an unnamed brook which collects stormwater runoff from areas to the east and from Graham Road. The Natural Resources Conservation Service soil survey mapping does not identify any wetland soils within the project area. An unnamed perennial watercourse is conveyed through a defined channel and under Graham Road. Duringour field investigations, Milone&MacBroo Inc. g m, flagged the watercourse and its vegetated banks. The watercourse and wetland limits are represented on the site plans by wetland flag sequences W-1 through W-9 and W-101 through W-109. ATTACHMENT A GRAHAM ROAD CULVERT REPLACEMENT PROJECT I MAY 2008 PAGE 1 - ��MILONE&MACBROOM® s I - r. Upstream of the culverts, the watercourse has densely vegetated banks and a riprap/boulder lined channel. The vegetated banks consist of sensitive fern, grasses, and sedges. The banks are devoid of woody vegetation and are mowed periodically by abutting property owners. Downstream of the culverts, the watercourse is densely forested and has significantly eroding banks. Sediment deposition and anthropogenic debris (e.g., garbage) are present within the watercourse. The streambed consists of stones, gravel, and coarse sand. The overstory is dominated by mulberry, Norway maple, Eastern hemlock, and slippery elm. The understory consists primarily of invasive species including multiflora rose, poison ivy, oriental bittersweet, and European privet. The work will not commence prior to receipt of regulatory approvals. The work will be conducted during the low-flow summer months when traffic demands are reduced due to school summer vacation. Graham Road will be temporarily closed to traffic (expected to be 30 days), and the duration of the project is expected to be 60 days. A temporary bypass channel will convey the watercourse while the new culverts are installed. A minor amount of dewatering is 1 expected. The discharge location is indicated on the site plans. Erosion controls and temporary sediment basins will be installed in compliance with state and local guidelines. These details are included on the site plans and are described within the submitted Water Handling Plana Only clean fill and bank-run gravel will be used to install the culvert. The work area will then be repaved upon completion of the work. Much of the disturbance will be temporary in duration and will be repaired upon completion of the work. TTA A CH1YlENT A GRAHAM ROAD CULVERT REPLACEMENT PROJECT /I\ MAY 2008 PAGE 2 ��� MILONE&MACBROOM® r r • Disturbance to the regulated area including wetlands watercourses and the 80'u 1 d � g pan review area will be 0.247 acres (10,766 SF). • Area of wetlands and watercourses to be altered will be 0.023 acres (1,006 SF). r • Area of wetlands to be created will be: None. • Lineal feet of stream alteration will be 92 feet. • Total land area of project and percentage which is wetlands is 0.254 acres (11,041 SF), 9.1 % wetlands. 1 2186-04-m508-rpt.doc .r r r r r r r . r r ' ATTACHMENT A GRAHAM ROAD CULVERT REPLACEMENT PROJECT I MAY 2008 PAGE MILONE&MACBROOM® 1 04/Z@*/2008 TUE 12:14 FAX 860 644 7280 South Windsor Toren Ball ! !n02%0n2 Impression antibou rrage eta sechage rapide www.avery.com Utilisez le gabarit 51600 1-800-GO-AVERY AVERY`O 51601`tl DOS'LE IA JEAN C B R TH M IE CRISP BRUCE E JR&KIMBERI.Y N MONDOU D'�VID A DOYI.E DIAIv'I�TE C&BARTH MARIE i]0 GRAHAM ROAD 141 GRAkiAM RD DR SOUTH V��INDSOR,CT 06074 GRAHAM ROAD SOUTH WINDSOR,CT 06074 SOUTH NA'INDSOR,C"i'1111" SO STRONG WILLIAM H&DEBORAH SCHYNS ROGER&KAREN PUIIA STACEY 142 GRAHAM ROAD 135 GRAHAJvt ROAD 138 GRAHAM Pj) SOUTH WINDSOR,CT 06074 SOUTH WINDSOR,CT 06074 SOUTH WINDSOR,CT 06074 PUILA STACEY G&W MANAGEMENT 130 GRAHAM ROAD 102 PITKiN ST SOUTH WINDSOR,CT 06074 P.O.BOX 280928 EAST HARTFORD, C"I. 06108 Q9`8 AHAV-00-008-4 @09LS 31t/1dVJ310,4—v asn O ua0:)fJ@Ae•ANMM 6uituiad aaa3 96pnwS pue user 04/14%2008 11t)N 12:13 FAX 860 644 7280 SoLift Windsor `Covui I1a11 Q1007r010 TO THE APPLICANT: Section 22a-39-14 of the Regulations of Connecticut State Agencies requires standardized reporting of local wetland agency decisions to the Commission of the Department of Environmental Protection. In keeping with this requirement the Inland Wetlands Agency/Conservation Commission must submit the form to the State after a decision is made. Therefore, at the time the application is submitted the application form must be filled out excluding items 9, 10, 11, and 12. You are also responsible for the photocopy of the USGA Quad map location (scale 1"to 20001)as per the instructions (item #2) on the back of the form. The USGA (Manchester Quad) map is available at. the Planning Department and photocopies can be made in the Town Clerk's office. . rIf you have further questions, .feel free to contact Jeffrey H. Folger, Environmental Planner/Conservation Officer,Planning Department,644-2511, ext. 253. i 1 i 6 ' CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION CIS CODE#: 1 .F 79 Elm Street For DEP use Dory Hartford,CT 06106-5127 Gina McCarthy,Commissioner Statewide Inland Wetlands & Watercourses Activity Reporting Re ortin Form Please complete and mail this form in accordance with the instructions. Please print or type. 4 PART is To Be Completed By The'Inland Wetlands Agency Only 1. DATE ACTION WAS TAKEN: Year Month 2. ACTION TAKEN(circle one): A B C D E F G H 3. WAS A PUBLIC HEARING HELD? Yes No 4. NAME OF AGENCY OFFICIAL VERIFYING AND COMPLETING THIS FORM: (print) (signature) PART li: To Be Completed By The Inland Wetlands Agency Or The Applicant 5. TOWN IN WHICH THE ACTION IS OCCURRING: vS o u-T k W i ti ctf 6 a, 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: A o�C��l f'� I �r AND Quad Number: Subregional Drainage Basin Number: 7. NAME OF APPLICANT,VIOLATOR OR PETITIONER: J L 4_(re sA D U O L i lJ 4 !6--'N �N l N ee.2 8. NAME&ADDRESS/LOCATION OF PROJECT SITE: A-/Yx ( 0A Briefly describe the action/project/activity: c w J r c,p/—A c e,• C c 0 r-r- cL4 L VCR 9. ACTIVITY PURPOSE CODE: 10. ACTIVITY TYPE CODE(S): , 11. WETLAND/WATERCOURSE AREA ALTERED[must be provided in acres or linear feet as indicated]: Wetlands: acres Open Water Body: acres Stream: "linear feet 12. UPLAND AREA ALTERED[must be provided in acres as indicated]: acres 13. AREA OF WETLANDS AND/OR WATERCOURSES RESTORED, ENHANCED OR CREATED: acres [must be provided in acres as indicated] DATE RECEIVED: PART fell.To d Completed By The DEP DATE RETURNED TO DEP: to—RM COMPLETED: YES NO FORM CORRECTED/COMPLETED: YES NO REV.5/2007 F/ f i�.:.-�I� � J •'�%� / !/ J 1 �R -:J. � ia- t ltt I 5 ( Cnk ,�ti � , fit, .,r` ♦ £a ?9 }} t -+s• `tX•Mw` - 4 46 �rY3L:. ,lt R`p t kf1j tyP!' ,� ' f aL )� a t �• _ �� : S, tJ.fk t ,+ �� , t,l�� � ca '•rat�r `'�: P ��� �� li •` � try f ! �}� s t,: ( ,:• � s, ti t �_' �* _ .•:�! � �rg -i- � 16 Aix ,t.• j + a . ` 4 '• ' t� t � � � � � r s~ * 1 4 f ti�y,4 vs� �r ,c r 1 �'{ t.; � _11 3 r •�"� � � ( � � � „az�� ,tom•-.»- r. ' ;t+t + tv #t, � `, �t �•r�r ProjectAki is Ev, 1'�� 1• ti f ..,1- • %4 ' �'� ` t: ■• • ; �-' '' r✓+J �! btu� �E?� PV �L I f ' e o h 1� a Milone & MacBroom Inc. N � Graham Road Culvert Location Map Civil,Water Resource and Transportation South Windsor, CTA Engineering-Landscape Architecture MMj#2186-04 Surveying-Planning USGS Quad 99 Realty Drive,Cheshire,Connecticut 06410 - - - - Figure: 1 (203)271-1773 Fax(203)272-9733 Date:May 2008 Scale:i r 24,000 Manchester,#38 04/1.,412008 MON 12:11 FAX 860 611 7110 S011111 �Y.indsr1r Toticn Hall 004'01it TO THE APPTITCANT: The attached one-sided IWA/CC APPLICATION REVIEW is being provided to you; as an applicant,to help assure that your submitted application and plans are complete, It may also serve as a guide for your engineer in processing your project. The checklist has been compiled from Section Vl1I'of the Inland Wetlands* Regulations and if followed in detail will help us to expedite your application to the Commission for consideration. You, as the applicant, are still responsible for the overall familiarization with the Inland Wetlands, ' Watercourses, and Conservation Regulations. Presentation should be limited to wetlands and conservation concerns: Jeffrey H.Folger Environmental Plaziner/Conservation Officer r 3 04:,4a 2008 MON 12: 13 FAX 860 644 7280 South Windsor "Iowii 11ail1 Z005!010 TWA/CC A:PPLICA.TION REVIEW: Name 6rroAiam Ror,,�_ C-Alvec+ Qeplucemenf Pra,iecl- Application# I. ' ❑ Fifteen copies of application ❑ PIMS filed in duplicate. ❑ Application fec(s)paid in full Il. ' ❑ The applicant's name,home and business-address, telephone and fax numbers. ❑ The owner's name (if applicant is not the owner of the property), home and business addresses, telephonic ' anti fax numbers, and written consent to the proposed activity set forth in the application. ❑ If applicant is not the owner,state interest in the land. ❑ The geographical location of the property which is to be affected by the proposed activity, including a description of the land in sufficient detail to allow identification of the property on the Inland Wetlands and Water Courses Map included the Map#and Parcel #as shown on the Tax Assessor's Map. ❑ Names of current adjacent property owners from records in the Town Clerk's office, ' ❑ Proof that all abutting property owners have been notified by certified mail that an application is pending before the Agency. Purpose and description.of all proposed regulated activity and the.time' element involved.❑ Amount and kind of proposed to be removed,or deposited and/or type of use. ❑ Acreage of regulated area to be altered(wetlands, watercourses, or regulated buffer) ' ❑ Acreage of wetlands and watercourses to be created. ❑ Lineal feet of proposed stream alteration. ❑ Total land area of project and percentage, which are wetlands. ❑ Alternatives considered by the applicant and why the proposal to alto the. wetlands set lorth in the application was chosen. ❑ Class A-2 map of the area to be developed, 1"=40', showing the following: 0 Designate regulated activities; ❑ Existing structures and property lines; Locations of existing watercourses and wetlands, as defined in section 2.lbb and 2.1cc and boundaries of regulated areas defined in section 2.1t. Identify the reference for watercourses andlor wetlands . boundaries as shown on the map. The identifying numbers or other reference systems used in field delineation shall verify the limits as shown on the plaro and shall submit a written report:desa7bing the findings. If the property does not contain any watercourses or wetlands this shall be noted on the plans. Location of 100 year flood lines; ❑ Elevations by 2 ft contours; Natural landscape features, woodland and vegetation;; q 11/,14/2008 110N 11:13 PAX 860 694 7211 Soulh.`Yir dsor Town Ilal.l Z006 010 r ❑ Utilities existing and proposed; r ❑ Layout of existing and proposed drainage systems; 0 Layout of existing and proposed sanitary sewers or septic systems; ' ❑ Proposed open spaces; 0 Proposed areas of change where material is intended to be deposited or removed; ❑ Proposed grading or any earth movement anticipated; ❑ Percentage of impervious coverage; ❑ Disposition of stumps; ❑ Test pits on site; r ❑ Buildable area as defined in section 2.1 c; (see waiver provision in section 8.4); ❑ Proposed detention basin, if required, sized for 100 year stone; ' ❑ Proposed soil erosion prevention, sediment control and other soil conservation treatments to be taken showing any proposed sediment basin, diversion dikes, indicating the turning of stripping of topsoil, when topsoil shalt be stripped, where topsoil shall be stored and for how long, and what method stabilization shall be used, and be in complete compliance with the guidelines expressly set forth in r Public Act 83-388, as amended,"An Act Concerning Soil Erosion and Sediment Control"which amends sections 8-2, 8-13d,and 8-25 of the General Statutes of Connecticut. r ❑ Projected changes in velocity,volume or course of water flow or in the water table and their effects. IV. 0 Additional Comments: 1 r r 1 i 1 r . . 1 1 • i SOWN Sfq r Town O-P Soadt ?d&u--&� c w� 1540 SULLIVAN AVENUE• SOUTH WINDSOR, CT 06074 SOR-CO TELEPHONE(860) 644-2511 HAND DELIVERED May 27,2008 Mr.Matt Galligan Town of South Windsor 1540 Sullivan Avenue South Windsor, CT 06074 RE: Appl. #08-22P-Town of South Windsor, Graham Road, South Windsor Dear Mr. Galligan, At the May 21, 2008 regular meeting, the Inland Wetlands Agency/Conservation Commission approved appl. #08-22W—Town of South Windsor—Graham Road— Inland Wetland/Conservation Commission application to replace an existing road culvert and associated improvements on property located on Graham Road northerly of Ayers Road and southerly Mark Drive. Rural Residential(RR)Zone. This approval is subject to 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 application 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 May 21, 2013. It is the landowners)/applicant(s) responsibility to track expiration dates and notify the Commission of a renewal request at least 65 days prior to expiration. 4. All approvals required must be obtained and submitted prior to any activity on the site. i - 5. A contact person shall be identified on the plans. Very truly yours, 01 1 )j WNWA, I gL�' ElizWeth A. Warren, Chairperson INLAND WETLANDS AGENCY/ CONSERVATION COMMISSION CC: Chief Building Official •�{ ao 3�v�a� y�' S � A `t � d Z, tt �N 1 ,�7 G 9NI�sOZp 4 44 �•� i sa3�r (No a v b 0 NOt@� 3WI , 1 3Awa b0 as 0►oy ,� an i as y ti A 133a1s �g N3YAN ° x Y 000M c o� or3tsYlave ��3F1 c ,,FAA& soolc 9 .106 oollla � r f RECEIVED MAY U 6 Ruud mow,�d���sa INLAND WETLANDS AGENCY CONSERVATION COMMISSION INLAND WETLAND DELINEATION REP0RT GRAHAM ROAD CULVERTS GRAHAM ROAD SOUTH WINDSOR, CONNECTICUT L August 2, 2007 n/MI #2186--04 Prepared.for. 'own of South Windsor Engineering Department 1540 ,Sullivan Avenue South Windsor, Connecticut 06074 1 Prepared by. MiLoNE&MAcBROOM INC. 9 99 Realty Drive ' Cheshire, Connecticut 06410 (203) 271-1773 www.miloneandmacbroorn.coim i ' Inland wetlands and watercourses on the site were delineated in accordance with the regulations of the Town of South Windsor, Connecticut and the State of Connecticut Inland Wetlands and Watercourses Act., CGS 22a-36 through 45. Regulated wetland areas consist of any of the soil types designated by the National Cooperative Soils Survey as poorly drained, very poorly ' drained; alluvial, or floodplain. Regulated watercourses consist of rivers; streams;brooks; waterways; lakes; ponds; marshes; swamps; bogs and all other bodies of water, natural or artificial, vernal or intermittent, public or private, not regulated pursuant to sections 22a-28 to 22a-35 inclusive (tidal wetlands). Wetland and watercourse boundaries were marked with sequentially numbered, colored flagging affixed to sturdy vegetation and/or stakes as needed to "acilitate survey work. A certified soil scientist delineated the wetland soils at the site during July 2007. Wetland flags were located by field survey and are shown on the site plans. Published USDA—NRCS mapping for the site is in agreement with the report. Current USDA—NRCS mapping for the site is available over the internet via http://websoilsurvey.arcs.usdaegov. The appended Figure 1 ' illustrates the soils mapped by the NRCS. It identifies the following soil types at the site: Upland Stills The upland soils are glaciofluvial stratified sand and gravel with a parent material of acidic red sandstone, shale, and conglomerate. The dominant upland soils on this site include. Maven and Enfield Complex (well drained) IJdorthents/l.lrban band Complex (variably drained) The Haven and Enfield complex consists of very deep, well drained loamy soils formed in a silty mantle overlying glacial outwash. They are newly level to sloping soils on outwash plains and terraces. Slope ranges from 0 to 15 percent. Permeability is moderate or moderately rapid in the surface layer and subsoil and rapid or very rapid in the substratum. Most areas are used for cultivated crops, hay, or pasture. Common crops are silage corn, vegetables, tobacco, and nursery stock. Some areas are wooded or used for community development. Common trees are INLAND WETLAND DELINEATION REPORT GRAHAIM ROAD CULVERTS AUGUST2007 PACE� �,�� !�1 1 L()IV F.& !V1 AGI�xz 1O N1 Y _Ak �r Ji M"inchester gravelly sandy loam, 15 to 45 percent slopes x s g, 4, F Haven Raul Enfield soils,0 to 3 percent slopes o a +- q H �T-ven-Urban land com lex 0 to 8 percent slopes ... 9 dIR kG":.:= 5 S -� Unnamed Perennial Watercourse $; �x { p °1 sT, � P £ Graham Road Culverts a x r A U(Jorthents,smoothed *414 s. Graham Road Culvert L13ca1®N; f \ Replacement Project Smith Windsor 0 99 Really Drive iV1Y1l# 2135-04-i � _ Dr17'Ee StIE;C`9': heshare,Conn,ecticut06643a Y N�C� SoiIS AaiarsA20f37 �� iYiXD i-!:FiUudc i in;cd }, SCALE: �i�'e 203)271.2773 Fax (203)27.2-9733 Locations Map ww� v,ms�o>ae�ie3tl�n cbroomeenm SOURCE.DE Eulle�int1aS0 1:1200 red, 9 white and Mack oak-; y9 hickor _e 9 white ash; red and sugar maple.- black birch; beech, hemlock and white pine. The Udortherit/Urban Land complex consists of soils that have been either filled or excavated by at least two feet of material and that lack natural sail horizons because of historic disturbance. I o Wetland Satin The NRCS soil survey Wrapping does not identify any wetland soils within the project area. An unnamed perennial watercourse is conveyed through a defined channel and under Graham Road. During -field investigations, Milone & NlacBroorn, Inc. flagged the watercourse and its vegetated banks. The watercourse and wetland limits are represented on the site plans by wetland flag sequences W.-t through W-9 and W-l 01 through W-109. Wetland System � Upstream of the culverts, the watercourse has densely vegetated banks and a,riprap- and boulder- lined channel. The vegetated banks consist of sensitive fern, grasses, and sedges. The banks are devoid of woody vegetation and are mowed periodically by abutting property owners. 1Mv Downstream of the culverts, the watercourse is denser, ' forested and has significantly eroding banks. Sediment ' deposition and anthropogenic debris(e.g.,garbage) are present within the watercourse. The strearnbed consists of stories, gravel, and coarse sand. The overstory is dominated by mulberry, Norway maple, eastern "0 , INLAND WETLAND DELINEATION REPORT GRAHAM ROAD CULVERTS AUGUST2007 PAOEa � l�ltt.ciNF & JOIAc;KKc>ri,tit I ' in hemlock, and slippery el���. The ui�derstory consisted primarily of invasive species including multi-flora rose, poison ivy, oriental bittersweet, and European privets ' If there are any questions regarding this report or the wetlands on the site, please contact me:. ' Very truly yours, MILONE& MACBROOM, INC. Matthew Sanford Professional Wetland Scientist P1667 INLAND WETLAND DELINEATION REPORT GRAHAYd ROAD CULVERTS AUGUST 2907 AGE 3 N"I 11.()N F & Ni tc B►M()Nt DRAINAGE REPORT GRAHAM ROAD CULVERT REPLACEMENT GRAHAM ROAD SOUTH WINDSOR, CONNECTICUT February 1, 2008 MMI#2186-04 4 Prepared for: Town of South Windsor Engineering Department 1540 Sullivan Avenue South Windsor, CT 06074 ` Prepared by: MU-0NE&MACBROOM,INC. 99 Realty Drive Cheshire, CT 06410 (203) 271-1773 www.miloneandmacbroom.com ���MILONE&MACBROOM® Introduction As part of a townwide road and drainage improvement program, the existing culvert at Graham Road is being replaced. A memorandum dated December 3, 2007, which was previously submitted.and reviewed by the town, documented alternative treatments for replacement of the existing culvert. This report documents revised hydrologic and hydraulic computations supporting the design of twin 42-inch reinforced concrete pipes as the preferred culvert replacement. Existing and Proposed Conditions The existing culvert at Graham Road consists of twin 48-inch reinforced concrete pipes. The southernmost pipe is currently filled up with approximately six to seven inches and 10 to 12 inches of sediment on the upstream and downstream sides, respectively (see Figure 1). The drainage area of the watershed to the culvert was estimated to be 83.74 acres (0.13 square miles) (see Figure 2). The Rational Method was used to estimate the flows to the culvert. This method is especially applicable to urban areas and incorporates rainfall intensity, drainage area, and runoff coefficients based on land use, Intensity-Duration-Frequency (IDF) curves are used to in-put the rainfall intensity. Rainfall intensity is obtained based on the time of concentration for the watershed. Runoff coefficients of 0.9, 0.3, and 0.2 were used for impervious, grass, and forested landuse types, respectively. The Rational Method resulted in a flow of 64.0 cfs and 75.0 cfs during the 50- and 100-year storm events, respectively. Discharge computations are included in the Appendix. HY8, a culvert analysis program, was used to evaluate the hydraulics of the culvert crossing. 1 This program estimates the hydraulic parameters such as water surface elevation on the upstream �t and downstream sides and the outlet velocities._The model input parameters consist of culvert +�f data, roadway data, discharge data, and tailwater data. DRAINAGE REPORT GRAHAM ROAD CULVERT REPLACEMENT MILONE&MACBROOM® FEBRUARY 2008 PAGE i y � z r asi��3f 1 y�1 'Z>"r fl— lip { let— /j!I I J/1 1 n 1\ \\ \ ) 11\ 1i N 1 /1/\ r / I I 1 I I / \ t 1 \ r �V sr,��;)\a�C� i 1\ : �' t�J � / 1 i i l i i I 1 I l ^, i i J I J 1 � I t \ I j E / \ , , \ , 7\t1,(t !/ \�\` !j!l 1 \t Jl / / Imo\ J Ji� 1111 t♦ `\ ri I /Jf '( /! \ >1 \ \\ j%%fl%�JI/ii 1 � 1 ) � l J � 11 / �_ 1 ♦r'!/ /fr✓/ i/ /1 �\4 I I ♦ I r/�\ ( / J 1 \ �-�\ �� l \ / \. v � \ � /( l ( / I 1 I I�^\ ..--f( �t > > ( < <„ '.%,� lJ(, i i !S J J / /i!%✓ III I1/J /,/j!/1J�1�11111\���7 \ J \\ \1 I(I o \ a fr 1 ItI I / r!1 Il��—� _ c\\ 1 F 1 1 I\ ♦ � I l\\ IllW- 1 \ \ \ ^ C>_ _" i\i \ I JJ)1 1 �i / /J/�1 —_� � ��—� � I \y (4t t t / \�Ir(� \^� --,_ ( 1 —\ /i I \ Q� ( f I (IiN111 i i \"/ \ \ \;tee / //! l � fff / Jil NQ/ ll 1 1 IIN 1111jllllgli111/1/! / ( IJl1,111 \ \ I J\� n 1 I+✓/ !I) l i ( t( 1 J /I/fll II I \�� / !dl I / (\����, 11/ / (/� / 1 J\ \^ �—r � ^\'� / \ // ♦ I III IIN11�J1 ( { 1 \\\ \ I l(1/ 8^ (/ ' 1 1\( \ Il \ l JJ J \ ) \ \ \\\\ N \ o ��—.--- \_ /I 1� .. ice\ \ / � �. lG�� c l ♦ \ \ t\ \ \,\t�ii'\ I ( /�_;�j t \\11 7 \� // i^� — \\ ( i i I jll r ��-- \� J� ♦ 1 / cJ, \/ �, \. \—�, � Sif _ !!<���\ \ S�1 } I1\\I } I.\ S"7 (!(� 1 \�IJ, !' I • �=`rJ/j( � 1 f �st�!� f \� _� 1 \ Q`\ \\ 8 Landreape Ambitecture �' and aniimnmenw Science GRAHAM ROAD CULVERT REPLACEMENT TOWN ROAD & DRAINAGE PROJECTS ��MILONE &.MACBROOM® TOWN OF SOUTH WINDSOR, CT 99 Realty Drive Cheshire,Connecticut06410 ON:--- DATE. 01-29-09 SHEET: u (203)271-1773 Fax(203)272-9733 AT: --- EVISED WATERSHED DRAINAGE AREA 3 www.miloneandmacbroomcom ___ SCALE: P . 500• The existingconditions model assumes a 48-inch diameter for the north pipe and a 40-inch pp diameter for the south pipe to account for the sediment in the south pipe. The slope of the existing pipes is 3.5% and 3.8% for the north and south pipes, respectively. The proposed conditions analysis consists of evaluating a twin 42-inch reinforced concrete pipe. The slope of the proposed crossing is set to 1.25% and 2.14% for the north and south pipes, respectively. The difference in the pipe slope is due to providing a low flow condition by lowering the northernmost pipe invert by six inches. The depth f flow p o ow and outlet velocities for the existing conditions and proposed alternatives during a 50-year storm event are as shown in Table 1. Results of the HY8 analyses are included in the Appendix. HY8 results also indicate no overtopping of Graham Road in the existing and proposed conditions during a 100-year storm event. t Table 1: Results of Existing and Proposed Conditions During a 50-Year Storm Event Crossing Type Upstream Depth Downstream Outlet Velocity (feet) Depth(feet) (feettsecond) Existing Twin 48"Reinforced Concrete Pipe 2.87 1.33 12.10 Proposed Twin 42"Reinforced Concrete Pipe 2.80 1.45 9.83 (North) Proposed Twin 42"Reinforced Concrete Pipe 2.30 1.09 10.70 ! (South) There is significant evidence of undermining of the existing culverts and downstream erosion due to the steep grades and outlet velocities. In general, outlet velocities greater than 6.0 feet/second require outlet protection measures to the channel and the banks on the downstream side of the culvert. Appropriate protection will be provided for the proposed crossing as required. The proposed alternative conveys a 50-year storm flow without flowing full and does not overtop during a 100-year storm. Some sedimentation can be expected to occur in the southernmost pipe of the proposed twin 42-inch pipes due to the channel bend on the upstream side entering the culvert. 2186-04-j3108-rpt.doc DRAINAGE REPORT GRAHAM ROAD CULVERT REPLACEMENT MILONE&MACBROOM® FEBRUARY 2008 PAGE 2 APPENDIX s ���MILONE&MACBROOM° Engineering, JOB k A 14A M An Ab C-u Z-,,IF Q T RE N 9E{i F' 'T Landscape Architecture and Environmental Science SHEET NO. 1 OF MILONE &MACBROOM® CALCULATED BY--K.A:TV NJ DATE C)( D k_t'j 99 Realty Drive i Cheshire,Connecticut 06410 CHECKED BY ���`�V DATE ���` ✓C� j (203)271-1773 Fax(203)272-9733 SCALE __ •ca1�. , = ;fie _ vt r .�fe ,er pen v - Se.c,ra - __ . L�restcs � mza ._ I�¢-.. ttcltta _._i _3 v ceGxs�3 ___. - it-1 �.. • A f-f Ca zl IAA CI t.�. r�_. .49 O. f Worksheet 3: Time of Concentration ( Tc) or Travel Time ( Tt) Project: Graham Road Culvert (2186-04) By: RV Date: 01/28/08 Location: South Windsor,CT Checked: Date: Circle one: Present Developed Watershed: Circle one: Tc Tt Subwatershed:Twin 48"Culvert Sheet flow(applicable to T.only) Segment ID A-B 1. Surface description (Table 3-1) GRSS 2. Manning's roughness coeff.for sheet flow, n (Table 3-1) 0.300 3. Flow Length, L (<300ft) ft. 300.0 4. Two-year 24-hr rainfall, P2 in. 3.20 5. Land slope, s ft./ft. 0.016 0.007(nL f" 6. T, = P2.5(S0.4) hr. 0.756 7 0.756 �J Shallow concentrated flow(assume hyd.radius=depth of flow) Segment ID B-C C-D D-E 7. Surface description FRST GRSS IMP 8. Manning's roughness coeff., n 0.100 0.080 0.011 9. Paved or unpaved UNPVD UNPVD PVD 10. Depth of flow, d (default values:d=.4 unpaved,d=.2 paved) ft. 0.40 0.40 0.20 11. Flow Length, L ft. 1015.0 360.0 1195.0 12. Watercourse slope, s ft./ft. 0.0219 0.0027 0.0200 13. Average velocity, V=1.49(dy)(sy) fps. 1.20 0.53 6.55 n L 14. Tt - 3600*V hr. 0.236 + 0.190 + 0.051 + 0.000 0.477 Channel flow Segment ID E-F 15. Channel Bottom width, b ft. 15" RCP 16. Horizontal side slope component, z(z horiz:1 vert) ft. --- 17. Depth of flow, d ft. FULL 18. Cross sectional flow area,A(assume trapazoidal) ft.2 1.23 19. Wetted perimeter, P, ft. 3.93 20.- Hydraulic Radius, R = A P w ft. 0.31 21. Channel slope, s ft./ft. 0.0600 22. Manning's roughness coeff., n 0.012 23. = 1.49 I '2 V (R )(s )n fps. 14.01 24. Flow length, L ft. 60.0 \. L - 25. TL = 3600*V hr. 0.001 + 0.000 + 0.000 + 0.000 - 0.001 26. Watershed or subarea T,or Tt(add Tt in steps 6, 14&25) hr. 1.234 Milone&MacBroom Inc. Figure 9_5 - Rainfall Frequency-Intensity-Duration Chart HARTFORD,. CONNECTICUT - 1905-1951 20.0 15.0 FREQUENCY ANALYSIS BY METHOD OF 10-0 EXTREME VALUES, AFTER CUMBEL 6.o t I 1 0 4 .0 L O .o a� co N � � a� 0.8 � 06 A .N 0,4 al c 0 2 o` 0.06 0.04 0.oz 5 10 15 20. .0 405060 2 3 4 5 6 B 1012 16 2 4- Minutes Duration Hours Source: Connecticut Department of Transportation, Wethersfield, Connecticut. 9-7 HY-8 Culvert Analysis Report EXISTING TWIN 48 REINFORCED CONCRETE PIPE t " ) Table 1 - Summary of Culvert Flows at Crossing: Graham Road, South Windsor Headwater Total Discharge Existing 48"RCP Existing 48" RCP Roadway ( ) (cfs) Discharge(cfs) Elevation ft (North)Discharge (South) Iterations (cfs) Discharge(cfs) 155.20 5.00 5.00 0.00 0.00 4 155.53 12.00 11.05 0.94 0.00 6 155.83 19.00 16.40 2.59 0.00 5 156.07 26.00 21.33 4.65 0.00 4 156.28 33.00 25.90 7.09 0.00 4 156.49 40.00 30.11 9.88 0.00 4 156.68 47.00 34.19 12.81 0.00 4 156.85 54.00 38.17 15.81 0.00 3 157.03 61.00 42.45 18.54 0.00 4 157.11 64.00 44.26 19.72 0.00 3 157.37 75.00 50.87 1 24.10 0.00 3 Rating Curve Plot for Crossing: Graham Road, South Windsor Total Rathka Curve Crossi ig: Graham Road, South Vti�uic�sor 1 1 1 1 i 1 1 1 0 -- --- - - ---- ------- -- --- --------- -- -- ----- ----,-- ----- 1 ---- ----;-- ; I I 1 I 1 I ry I Q j156.5 ------ --1--------- -------------------' � 1 I 1 ; 1 1 1 OU1 1 L � � 1 156.0 - 1 ; 1 1 1 1 1 1 155.5 -- ------I- ------ ---- -- ---•---------- ----- ----;-- ------,----- ---- ------- 1 I 1 1 ; 10 20 30 40 50 60 70 Total Discharge (cfs) Table 2- Culvert Summary Table: Existing 48" RCP (North) Total Culvert Headwater Outlet Outlet Taiiwater Inlet Control Flow Normal Critical Outlet Tailwater Discharge Discharge Elevation Control Velocity Velocity (cfs) (cfs) (ft) Depth(ft) Depth(ft) Type Depth(ft) Depth(ft) Depth(ft) Depth(ft) (ft/s) (ftfs) 5.00 5.00 155.20 0.844 0.844 1-S2n 0.330 0.617 0.330 0.749 7.888 3.564 12.00 11.05 155.53 1.286 1.286 1-S2n 0.503 0.951 0.581 1.040 9.456 4.436 19.00 16.40 155.83 1.591 1.591 1-S2n 0.613 1.186 0.737 1.236 10.193 4.976 26.00 21.33 156.07 1.827 1.827 1S2n 0.715 1.348 0.863 1.390 10.627 5.382 33.00 25.90 156.28 2.035 2.035 1-S2n 0.806 1.495 0.962 1.520 11.022 5.712 40.00 30.11 156.49 2.245 2.245 1-S2n 0.859 1.625 1.053 1.634 11.311 5.994 47.00 34.19 156.68 2.436 2.436 1-S2n 0.911 1.730 1.139 1.736 11.554 6.240 54.00 38.17 156.85 2.612 2.612 1-S2n 0.962 1.832 1.220 1.828 11.779 6.461 61.00 42.45 157.03 2.792 2.792 1-S2n 1.016 1.942 1.295 1.914 12.011 6.661 64.00 44.26 157.11 2.866 2.866 1-S2n 1.039 1.989 1.328 1.949 12.099 6.741 75.00 50.87 157.37 3.126 3.126 1-S2n 1.123 2.133 1.443 2.068 12.422 7.014 «««««««„««««........«.« Inlet Elevation(invert): 154.24 ft, Outlet Elevation(invert):153.08 ft Culvert Length:33.42 ft, Culvert Slope:0.0347 Culvert Performance Curve Plot: Existing 48" RCP (North) Perfolnlc`1] ce Cw-ve Cuh-ert. Existing 48" RCP (North) F Inlet Control Elev Outlet Control Elev ,C 15 7.0 0 > 155.5----------;----------;----------;--------- ' --------- ---------;----- ----;-------- 0 ; y ------ - 156.0 -- -----=- ;--- ---- --- ' 155.5 --------;- -------;-------------------------------------------------------- ----- 155.0 - - - - - - 10 20 30 40 50 60 70 Total Discharge (cfs) Water Surface Profile Plot for Culvert: Existing 48"RCP (North) (Yossiiw - Grahwu Road, South NViiidsor, Desi Y DisclY-u-a 64.0 cts CW-vert -Existing 48" RCP (North), Cid-eii Discharge - 44.3 & 160 ----------- -------------- ---- 1 -- 1 - ; 159 --------------- - -------- -- ------=-------- --------------- ------=- ---- ! 1 58 '---- - - _......... ..�.... .J.......-.�.....L.. .J.. -- -�.. C 15 7- - — L - - ; p 156 -- - -ram ----- - -- - -. - ------- _ - - --- - W --; ! 16 ' ----------------' - ! -10 0 10 20 30 40 Station (ft) Site Data - Existing 48" RCP (North) Site Data Option: Culvert Invert Data Inlet Station: 0.00 ft Inlet Elevation: 154.24 ft Outlet Station: 33.40 ft Outlet Elevation: 153.08 ft Number of Barrels: 1 Culvert Data Summary- Existing 48"RCP (North) Barrel Shape: Circular Barrel Diameter: 4.00 ft Barrel Material: Concrete Barrel Manning's n: 0.0120 Inlet Type: Conventional Inlet Edge Condition: Square Edge with Headwall Inlet Depression: None Table 3- Culvert Summary Table: Existing 48" RCP (South) Total Culvert Headwater Inlet Control Outlet Flow Normal Critical Outlet Tailwater Outlet Tailwater Discharge Discharge Elevation Depth(ft) Control Type Depth(ft) Depth(ft) Depth(ft) Depth to Velocity Velocity (cfs) (cfs) (ft) Depth(ft) (ft/s) (ftls) 5.00 0.00 155.20 0.000 0.000 0-NF 0.000 0.000 0.000 0.749 0.000 3.564 12.00 0.94 155.53 0.326 0.000 1-S2n 0.200 0.256 0.201 1.040 2.466 4.436 19.00 1 2.59 155.83 0.631 1 0.000 1-S2n 1 0.401 0.460 0.410 1.236 4.075 1 4.976 26.00 4.65 156.07 0.867 0.867 1-S2n 1 0.538 0.652 0.642 1.390 4.910 5.382 33.00 7.09 156.28 1.076 0.000 1-S2n 1 0.688 0.798 0.688 1.520 5.489 5.712 40.00 9.88 156.49 1.285 0.000 1-S2n 0.802 0.958 0.808 1.634 5.988 5.994 47.00 12.81 156.68 1.475 0.000 1-S2n 0.922 1.094 0.924 1.736 6.468 6.240 54.00 15.81 156.85 1.652 0.000 1-S2n 1.034 1.221 1.040 1.828 1 6.831 6.461 61.00 18.54 157.03 1.831 0.000 1-S2n 1;120 1.336 1.126 1.914 7.134 6.661 64.00 19.72 157.11 1.906 0.000 1 1-S2n 1.157 1.376 1.166 1.949 7.235 6.741 75.00 24.10 157.37 2.166 0.000 1 1-S2n 1.295 1.524 1.303 2.068 7.623 7.014 Inlet Elevation(invert):155.20 ft, Outlet Elevation(invert):153.92 ft Culvert Length:33.32 ft, Culvert Slope:0.0384 Culvert Performance Curve Plot: Existing 48" RCP (South) Perfonnalice C-Lu-ve Cubvcif: Existniv 49" RCP (South) 0 Inlet Control Elev Outlet Control Elev , S 157.0 ; ; o � , 156.5 ------------------- ----------•--------- --------- -------- -;----------;-- ---- 156.0 ------ -------- -------------- ---:--------------------- ------- -;----- ----155.5 - - ------, ------ , T 10 20 30 40 50 60 70 Total Discharge (cfs) Table 4- Downstream Channel Rating Curve (Crossing: Graham Road, South Windsor) Flow(cfs) Water Surface Depth(ft) Velocity(ft/s) Shear(psf) Froude Number Elev(ft) 5.00 153.83 0.75 3.56 2.75 1.03 12.00 154.12 1.04 4.44 3.82 1.08 19.00 154.32 1.24 4.98 4.53 1.12 26.00 154.47 1.39 5.38 5.10 1.14 33.00 154.60 1.52 5.71 5.58 1.15 40.00 154.71 1.63 5.99 5.99 1.17 47.00 154.82 1.74 6.24 6.37 1.18 54.00 154.91 1.83 6.46 6.71 1.19 61.00 154.99 1.91 6.66 7.02 1.20 64.00 155.03 1.95 6.74 7.15 1.20 75.00 155.15 1 2.07 1 7.01 1 7.59 1.22 Tailwater Channel Data - Graham Road South Windsor Tailwater Channel Option: Triangular Channel Side Slope (H:V): 2.50(_:1) Channel Slope: 0.0588 Channel Manning's n: 0.0500 Channel Invert Elevation: 153.08 ft Roadway Data for Crossing: Graham Road, South Windsor Roadway Profile Shape: Constant Roadway Elevation Crest Length: 178.00 ft Crest Elevation: 160.00 ft Roadway Surface: Paved Roadway Top Width: 26.00 ft HY-8 Culvert Analysis Report (PROPOSED TWIN 42" REINFORCED CONCRETE PIPE) Table 1 - Summary of Culvert Flows at Crossing: Graham Road, South Windsor Headwater Total Discharge Proposed 42" Proposed 42"RCP(North) RCP(South) Roadway Iterations Elevation(ft) (c ) Discharge(cfs) Discharge(cfs) Discharge(cfs) 155.61 5.00 4.07 0.94 0.00 4 156.01 12.00 8.74 3.24 0.00 5 156.30 19.00 12.96 6.03 0.00 5 156.52 26.00 16.92 9.04 0.00 3 156.75 33.00 20,62 12.36 0.00 4 156.95 40.00 24.10 15.86 0.00 3 157.15 47.00 27.75 19.23 0.00 4 157.34 54.00 31.55 22.44 0.00 4 157.52 61.00 35.29 25.68 0.00 3 157.60 64.00 36.90 27.10 0.00 3 157.86 75.00 42.65 32.35 1 0.00 13 Rating Curve Plot for Crossing: Graham Road, South Windsor Total Rating Clu-ve -Crossing: Gwaham Road, South Wi I(Isof 1 157.5 -------- ---------- ---------- ------ --- ; ; a ' 1 5 7.0 -------- ---------- ----------;----------' ------- -- ------;-- -------;-------- W , - �a a) ; ; 155.5 10 20 30 440 50 50 70 Total Discharge (cfs) Table 2 - Culvert Summary Table: Proposed 42" RCP (North) Total Culvert Headwater Inlet Control Outlet Flow Normal Critical Outlet Tailwater Outlet Tallwater Discharge Discharge Elevation Depth(it) Control Type Depth(ft) Depth(ft) Depth(ft) Depth(ft) Velocity Velocity (cfs) (cfs) (it) Depth(ft) (ft/s) (ft/s) 5.00 4.07 155.61 0.806 0.806 1-S2n 0.415 0.582 0.422 0.749 5.994 3.564 12.00 8.74 156.01 1.208 1.208 1-S2n 0.616 0.877 0.630 1.040 7.314 4.436 19.00 1 12.96 156.30 1.496 1.496 1-S2n 0.760 1.089 0.802 1.236 7.721 4.976 26.00 16.92 156.52 1.720 1.720 1-S2n 0.865 1.244 0.880 1.390 8.849 5.382 33.00 20.62 156.75 1.947 1.947 1-S2n 0.963 1.390 1.038 1.520 8.625 5.712 40.00 24.10 156.95 2.149 2.149 1-S2n 1.054 1.502 1.133 1.634 8.919 5.994 47.00 27.75 157.15 2.346 2.346 1-S2n 1.128 1.616 1.226 1.736 9.205 6.240 54.00 31.55 157.34 2.539 2.539 1-S2n 1.205 1.736 1.318 1.828 9.504 6.461 61.00 35.29 157.52 2.720 2.720 1-S2n 1.281 1.836 1.409 1.914 9.736 6.661 64.00 36.90 157.60 2.796 2.796 1-S2n 1.314 1.878 1.448 1.949 9.826 6.741 75.00 42.65 157.86 3.063 3.063 1-S2n 1.426 2.029 1.573 2.068 10.163 7.014 i Inlet Elevation(invert):154.80 ft, Outlet Elevation(invert):154.10 ft Culvert Length:56.00 ft, Culvert Slope:0.0125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Culvert Performance Curve Plot: Proposed 42" RCP (North) Performance Cirve Cuhrert: proposed 42" RCP (North) 0 Inlet Control Elev Outlet Control Elev 1 1 1 1 1 1 1 i 1 0 1 i 1 1 1 1 �.0 --------- ----- ---;--- -- ---;-------- -' ------------------ -------- -i-- ----- 1 1 1 1 1 1 ; 1 1 1 1 1 1 1 J. 16.E 1 1 i 1 , i 1 1 1 1 1 16.0 1 ---- ------ ------ 1 1 1 1 1 1 1 1 i 1 1 1 1 1 1 � � 1 1 � 1 1 1 ; 10 200 40 50 60 70 Total Discharge (cfs) ■ Water Surface Profile Plot for Culvert: Proposed 42"RCP (North) C'ro;-;'111i9 - Cn-Miuu Road, South Wiiidsoi•, Devi i Disclla e - 64.0 ds Oih•eft - Proposed 42" RCP (North), Culvert Dischaf ge - 36.9 cfs 160 159 ' ---- - ------ --- -- -- -_}---- I-------- ;:---- -- -- -,158 , �"' 17 ---------------- ----------------- ------ - - - ...-- - - 155 --- ---- --- ------ -i----- - ----- -;--- -- -- - --- 154 -- ---- --- --- - ---- =- - ; ---- 0 20 40 60 Station(ft) Site Data - Proposed 42" RCP (North) Site Data Option: Culvert Invert Data Inlet Station: 0.00 ft Inlet Elevation: 154.80 ft Outlet Station: 56.00 ft Outlet Elevation: 154.10 ft Number of Barrels: 1 Culvert Data Summary- Proposed 42" RCP(North) Barrel Shape: Circular Barrel Diameter: 3.50 ft Barrel Material: Concrete Barrel Manning's n: 0.0120 Inlet Type: Conventional Inlet Edge Condition: Square Edge with Headwall Inlet Depression: None Table 3- Culvert Summary Table: Proposed 42" RCP (South) Total Culvert Headwater Inlet Control Outlet Flow Normal Critical Outlet Tailwater Outlet Tailwater Discharge Discharge Elevation Depth(ft) Control Type Depth(ft) Depth(ft) Depth(ft) Depth(ft) Velocity Velocity (cfs) (cfs) (ft) Depth (ft/s) (ft/s) 5.00 0.94 155.61 0.305 0.305 1-S2n 0.099 0.238 0.128 0.749 3.153 3.564 12.00 3.24 156.01 0.709 0.709 1-S2n 0.340 0.510 0.340 1.040 6.473 4.436 19.00 1 6.03 156.30 0.996 0.996 1-S2n 0.438 0.732 0.452 1 1.236 8.005 4.976 26.00 9.04 156.52 1.221 1.221 1-S2n 0.537 0.893 0.553 1.390 9.004 5.382 33.00 12.36 156.75 1.447 1.447 1-S2n 0.646 1.065 0.697 1.520 9.076 5.712 40.00 15.86 156.95 1.649 1.649 1-S2n 0.738 1.203 0.750 1.634 10.616 5.994 47.00 19.23 157.15 1.846 1.846 1-S2n 0.806 1.335 0.886 1.736 9.953 6.240 54.00 22.44 157.34 2.039 1 2.039 1-S2n 0.871 1.449 0.969 1.828 10.278 6.461 61.00 25.68 157.52 2.220 2.220 1-S2n 0.936 1.551 1.049 1 1.914 10.590 6.661 64.00 27.10 157.60 2.296 2.296 1-S2n 0.965 1.596 1.085 1.949 10.700 6.741 75.00 32.35 157.86 +2.563 2.563 1-S2n 1.066 1.759 1.199 2.068 11.062 7.014 Inlet Elevation(invert): 155.30 ft, Outlet Elevation(invert):154.10 ft Culvert Length:56.01 ft, Culvert Slope:0.0214 Culvert Performance Curve Plot: Proposed 42" RCP (South) Performance Give Ctdvert: Proposed 42" RCP (South) 0 0 Inlet Control Elev Outlet Control Elev 1 , S 157.5 -- --- 1 , 1 ; 1; ; ; ._ 157.0 ------------------ ------ - - ------- -- ----; ------- - ----------1-------- ; 1 1 1 , , 156.5 -- - -- '-----;---------,--- --------- ----------, -- ---- -,----------.-------- , 1 , , V 1 , 156.0 1 1 1 , 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 i 1 1 1 1 1 1 155.5 10 20 30 40 50 60 70 Total Discharge (cfs) Water Surface Profile Plot for Culvert: Proposed 42" RCP(South) Crossing - a-ahwu Road, South W ildsor, Desip Dischm— e 64.0 cfs C 4—veit - Proposed 42"RCP (South), Cidveii Discharge - 27.1 cfs -- - ' , 160 ---------- ---- ------ ----;----------- , 1 69 --- -- ----- - ------- -- - -- ------ ----- ----- - 6$ - -- - - - ................. ..........�- ---1.--__.....-... .1 .._.-. ' -- -- --T- - ' 1- -- - - -- ' `- _ - �L 1 W166 ---_- __-- .. -__1_ ------ - -- - - -- --- - -•- 0 20 40 60 Station (ft) Site Data - Proposed 42" RCP(South) Site Data Option: Culvert Invert Data Inlet Station: 0.00 ft Inlet Elevation: 155.30 ft Outlet Station: 56.00 ft Outlet Elevation: 154.10 ft Number of Barrels: 1 ' Culvert Data Summary Proposed 42" RCP(South) Barrel Shape: Circular Barrel Diameter: 3.50 ft Barrel Material: Barrel Manning's n: 0.0120 Inlet Type: Inlet Edge Condition: ' Inlet Depression: None Table 4- Downstream Channel Rating Curve (Crossing: Graham Road, South Windsor) Water Surface Flow(cfs) Elev(ft) Depth(ft) Velocity(ft/s) Shear(psf) Froude Number 5.00 154.66 0.75 3.56 2.75 1.03 ' • 12.00 154.95 1.04 4.44 3.82 1.08 19.00 155.15 1.24 4.98 4.53 1.12 26.00 155.30 1.39 5.38 5.10 1.14 33.00 155.43 1.52 5.71 5.58 1.15 40.00 155.54 1.63 5.99 5.99 1.17 47.00 155.65 1.74 6.24 6.37 1.18 54.00 155.74 1.83 6.46 6.71 1.19 61.00 155.82 1.91 6.66 7.02 1.20 64.00 155.86 1.95 6.74 1 7.15 1.20 75.00 155.98 1 2.07 7.01 1 7.59 1.22 Tailwater Channel Data - Graham Road, South Windsor Tailwater Channel Option: Triangular Channel Side Slope (H:V): 2.50 (_:1) ' Channel Slope: 0.0588 Channel Manning's n: 0.0500 Channel Invert Elevation: 153.91 ft Roadway Data for Crossing: Graham Road, South Windsor Roadway Profile Shape: Constant Roadway Elevation Crest Length: 178.00 ft Crest Elevation: 160.00 ft Roadway Surface: Paved Roadway Top Width: 26.00 ft