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Home My WebLink AboutPodunk Farm Parking lot TOWN OF SOUTH WINDSOR [2EC.' 12003 INLAND WETLANDS, WATERCOURSES AND CONSERVATION Ildsor 'AGENCY .oi;i<J:;";"IOAJ L'OPviP/�ISSIOid Application # 0,' `Ialp Date Received /a, as INSTRUCTIONS 1. Fifteen applications (15) arith 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: Arturo Guerra & Helmar Wolf Address: 989 Ellington Road, South Windsor, CT 06074 Phone: (home) (work) 289-7929 (fax) B. Legal owner's name: Same Address Same Phone (home) (work) (fax) (List additional owners, addresses, and phone numbers on back of application) C. If the applicant is not the owner of the subject property; a letter by the owner(s) authorizing the proposed regulated activity set forth in the application must accompany this form and will be part of the application. D. Project Name (if any) Podunk Farm parking lot (re-approval) 1. Contact Person (if further information is needed) Karen Isherwood, P.E., Design Professionals, Inc. (work) 291-8755 (fax) 291-8757 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. y Assessor's map # 48 Parcel # 55 Zone A-20 F. Names of all abutting property owners from records in Town Clerk's office. (use separate sheet if necessary) See attached sheet- 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 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: Construction of a parking lot with associated driveway, storm drainage, landscaping, sedimentation basin/biofilter and associated grading. All proposed activities are outside of wetlands. Activities within the buffer area are most of the sedimentation basin/biofilter,40 . o pipe, one drainage structure tor velocity reduction, and grading. I he parking lot is not wi in the original 40'buffer area. 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). No wetlands disturbance; 17,000 sq. ft. within 80' upland review area. K. Acreage of wetlands and watercourses in regulated areas to be altered: 0 L. Acreage of wetlands and watercourses to be created: 0 M. Lineal feet of proposed stream alteration: 0 N. Total land area of project and percentage which is wetlands: 9.8 acres, 67%+/- of acreage is wetlands O. Identify all other permits or approvals that have been issued, applied for, or required with respect to the proposed activity set forth in this application. (These may include but not be limited to, local Planning & Zoning, Zoning Board of Appeals, D.E.P., F.E.M.A., D.O.T., The Army Corps of Engineers, and any other State, Local or Federal Permits.) PZC(request for re-approval pending),DOT encroachment permit g P. The applicant (or designated representative) hereby attests that a sign will be posted at the following location(s) along street frontage By DPI Name Peter DeMallie on or before following date as directed by Town staff Signature: 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 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 application b before d meter a al decision has been issued. Signature of O e of oYZ I Date Signature of A plic t Date ,;21v a3 9 DESIGN PROFESSIONALS, INC. civil engineers ♦ planners ♦ surveyors gis ♦ gps ♦ landscape architects DEC 2003 Transmitted via certified mail „_, ,;,`;;,7 tfv; '. t:Cr; cT�t�Jb 2Vq l iOrJ co (3)O J November 26, 2003 Dear Current Abutting Property Owner Re: Mill on the River/Podunk Farm 970 Ellington Road South Windsor, Connecticut DPI Project No. 88-319 In accordance with regulations of the Inland Wetlands Agency and the Planning&Zoning Commission, we are required to notify you that applications have been filed on the property abutting yours and is subject to a hearing(s)by the Inland Wetlands Agency and Planning& Zoning Commission. The applications and plans are on file with the South Windsor Planning Department in the Town Hall. As an abutting property owner you are invited to the hearing(s)to ask questions and/or give comments, however,you are not required to attend. You may also submit written comments regarding the application(s)prior to the meeting if you so desire. For further information regarding the specific date this application will be heard, please contact Kelli Koehler, Administrative Secretary, Michele Lipe, Deputy Planning Director, or Jeffrey Folger, Environmental Planner, at the South Windsor Planning Department at 644-2511, ext. 253, 252 or 229, respectively. Thank you. Sincerely, DESIGNFYOFESSIONALS, INC. By: % Peter R. DeMallie Principal cc: Jeffrey Folger Marcia Banach - - - - Helmar Wolf&Arturo Guerra 165 South Satellite Road,South Windsor,Connecticut 06074 Tel:(860)291-8755•Fax: (860)291-8757 Email:dpicivil@aol.com DESIGN PROFESSIONALS, INC. civil engineers ♦ planners ♦ surveyors , °' gis ♦ gps ♦ landscape architects Direct Abutters DEC 1 2003 The Mill on the River >,,n VVir sor NLAND VVs -FLAN[),P,GcNCY Podunk Farm Parking Lot C°'``'`ERV` ,rioiq cord,, DPI Project No. 88-319 November 26, 2003 Map/Block/Lot No. Property Owner(s) Address 34/41/206 Janese F. Bolden 260 Hilton Drive South Windsor, CT 06074 35/41 Anthony J. Bonito 246 Hilton Drive South Windsor, CT 06074 35/43 Christopher H. Rainville 926 Ellington Road South Windsor, CT 06074 47/34/209 Daniel J. &Dora O. (Surv) 284 Hilton Drive Sevipy South Windsor, CT 06074 47/35/208 Florence C. Palmer 588 Oleaster Ave. Wellington,FL 33414 47/36/207 Afonso Matos, Marie I. Matos 268 Hilton Drive &Victor Matos South Windsor, CT 06074 48/456 David G. Moulton 11 Beldon Road South Windsor, CT 06074 48/458 Robert&Harry Godi 41 Beldon Road South Windsor, CT 06074 48/63/215 Iris E. Creem 336 Hilton Drive South Windsor, CT 06074 48/64/214 Sylvia M. Ahern 328 Hilton Drive South Windsor, CT 06074 48/65/213 Gary E. & Claudette L. (Surv) 320 Hilton Drive Kostek South Windsor, CT 06074 48/66/212 Ralph B. Williams 312 Hilton Drive South Windsor, CT 06074 48/67/211 Robert J. & Cynthia Gawlik 304 Hilton Drive South Windsor, CT 06074 48/68/210 Harry R. Haley 294 Hilton Drive South Windsor, CT 06074 165 South Satellite Road, South Windsor,Connecticut 06074 Tel:(860)291-8755•Fax:(860)291-8757 Email:dpicivil@aol.com RECEIVE- DEC 12H3 South Windsor INLAND WE FLANDS AGENCY DESIGN PROFESSIONALS,Inc. CORSr_RVATIO J COIIISS Ord 165 South Satellite Road South Windsor, Connecticut 06074 HydroloLic Study of 970 Ellington Road South Windsor, Connecticut for Helmar Wolf and Arturo Guerra December 2, 1997 Revised: December 31, 1997 Table of Contents Introduction and Orientation............:...............................................................................1 DrainageSummary...........................................................................................................2 ExistingDrainage Basin Map...........................................................................................3 Existing Drainage Basin Characteristics............................................................................4 Proposed Drainage Basin Map.........................................................................................5 Proposed Drainage Basin Characteristics..........................................................................6 Proposed Storm Structure Drainage Basin Map................................................................7 Proposed Storm Structure Drainage Basins......................................................................8 Proposed Storm Pipe Characteristics................................................................................9 Routing for Sedimentation Channel................................................................................11 Cut/Fill Calculations.......................................................................................................14 Chart 2 - Rainfall Intensity Chart Chart 3 -Nomograph for Determining Time of Concentration Chart 6.13 - Values of Hydraulic Elements of Circular Section for Various Depths of Flow Introduction The subject of this drainage study is the eastern portion of the site at 970 Ellington Road. The site is located on the west side of Ellington Road, approximately 200 LF south of the intersection with Beldon Road. Under present conditions, the eastern portion of the site is an open field with three existing small structures. The Podunk River flows southwest within the site. Wetlands were located within the low lying areas of the site near the Podunk River. The proposed improvements to the site involve the construction of an auxiliary parking lot for the Mill on the River Restaurant. The construction of the proposed parking lot involves the removal of the existing barn, landscaping, and the construction of the proposed storm management system, including a sedimentation structure and biochannel. 48-63 DRAINAGE EASEMENT 48-28 48-64 DRAINAGE . EASEMENT 48-65 48-55 �.". . _ CONSERVA ON _ - -_" . . . - EASEMENT 48-29 48-66 2 - .Sq � . . . .� MILL 48-67 S .' SE�41fNT . . . . . . . .�.. . 48-29 DRAINAGE EASEMENT 8-68 47-34 .. _ < . . 02 a 47-35 . . . ... �o 47-36 34-41 \ 35-3 34-42 35-1 \\ Orientation Drainage Summary The subject of this drainage study is located on the west side of Ellington Road, approximately 200 LF south of the intersection with Beldon Road. The site contains wetlands within the low lying areas near the Podunk River. The Podunk River flows southwest and meanders from the northeastern corner through the center of the site to the southwestern edge of the site. The eastern upland area of the site is primarily open field with a small portion of wooded area in the southeastern corner. The three existing structures are located within the eastern upland area. Gravel drives are located within the eastern upland area around the existing structures. The western upland area is primarily wooded area. Sanitary sewer easements run through site connecting Hilton Drive and Ellington Road. An auxiliary parking lot is proposed for the Mill on the River Restaurant within the eastern upland area. The proposed parking lot requires the removal of the existing barn. A stormwater management system is proposed to mitigate the adverse effects of the proposed parking lot. Overland flow will be captured within catchbasins and collected within a sedimentation structure. The sedimentation structure, as well as, the 2' sumps within the catchbasins, will collect sediment to prevent transfer of sediment within the stormwater management system. The sedimentation structure will also aid in the removal of oils from the stormwater. The flow discharge from the sedimentation structure to a manhole which will help dissipate the velocity and energy of the flow. The discharge will eventually flow into a biochannel where vegetation will aid in the removal of pollutants and sediments. The stormwater will permeate through the stone barrier along the western edge of the vegetative channel and eventually discharge into the Podunk River. The biochannel was designed and sized to treat water during the first flush, or first inch of precipitation. The runoff of storms with precipitation greater than one inch will discharge unrestrained to the Podunk River. Detention of the increased runoff as a result of the increase in impervious coverage is not desirable due to the site's downstream location within the watershed. IT- I JV PDXW ANO 1 01 v lot I L .......... vjrwwv MCI,&MWAXW swam=G� .00=on" it Ion RATIONAL METHOD y BASIN Area I Description AI Length Elevation Slope Tc Q OR [acres} change [cfs] STRUCTURE rci r& zoos= 0 I ( 60 �, D 14 0 . 07 10. I 7 D " -' " civil engineers planners-,surveyors • gis ()e�sigo Project r�� ^,e,�a4) {q4FProj.No.:roession� ls, Inc. Calc.by:l ,a' Date: l ? " Ghkd by: Date: i 165 South Satellite Road,South Windsor,CT 06074 (860)291.8755•FAX:291-8767•e-mailApicivil4eal.com ........... Pftovot"/w RXIM Is j hill I i is Wo ----------- 1A AUJ"X~doOAJt1tW f06=lonalm. Inc. 2 I MO I tAW I or RATIONAL METHOD BASIN Area I Description Al Length Elevation Slope Tc Q OR [acres] change [cfs] STRUCTURE �n1 ^ /' i C I � r2 Lfi 7 - 2 civil engineers planners•.surveyors gls esign j Pro ect: i `. :,� � ! l!'! Pro .No professionals, inc. Calc.by: Date:. Chkd by: Date: i 165 South Satellite Road,South Windsor,CT 06074 (860)291-8755•FAX'a 291-8757•e-mail:dpictvil®aol.com rAAl engineers - planners - surveyors - gis llesig�i L :)� Project:Vo lLm 4) . KII-ey-Proi.No. yo es ssil ionals, inc. Description: 17)�j I I 2 165 South Satellite Road,South WwKLw,CT 06074 Calc.By:_ Date:_��hkd By: Date: (860)291-8755-FAX:291-8757-e-mailApicivifCaol.com TFzy5f.", T. fit ix 8. EX GRA WE rF .42 OAYW 1 1 LIP CRA WE Cw A. -A% V 3"m UNE -WET C. No,ZN7 jobs_& 2J46r Ik 15 RATIONAL METHOD BASIN Area I Description Al Length Elevation Slope Tc Q OR [acres] change [cfS] STRUCTURE D,21 c V(k i V7 11-4, � 0 , 10 0, 01 0 1T 0 0 D , O '� H -7 0 0 Z_ 0,07 M, 0 0.0� 0 Z- I 0104 70 0,01 civil enginee Irs - planners-.surveyors - gis plesigo Project: J_ m vI r Proj.No.: L) o essionq1s, inc. Calc.by:L-L, Date: Chkd by: Date: 165 South Satellite Road,South Windsor,CT 06074 (860)291-8755-FAX:291.8757-e-mail:dpicivll*aol,com --7TOWN OF SOUTH WINDSOR STORM SEWER SYSTEM DESIGN FORM 2.2 PROJECT DESIGNED BY DATE t STREET FIRM CHECKED BY SHEET NO 0 a o O o cq o 0 q q 831VMOV3H I Al10VdV0 11f13 !2 9 A113033A 39V83AV a 9 s r r KA m 3d0lS - O o O O a o 3dld 30 HION31 0 3ZIS 3dld 0 Sr W31SAS NI 0 OD c AlISN31N1 '1"1VANIVa I43ISAS N1 -5� q,\ IV 40 YVf1S NISV8 H31V0 �y ON1831N3 IV f �" �o 3W11 031V-invif10OV 3dld NI 3W11 t 1 131N1 01 3W11 cat ID 1N3W03S 3NIl STORM PIPE INFORMATION Structure in stem Pipe *Q y ip Size Slope n Area R Q full Qsys/Qfull Vfull Vave/Vfull Vave [cfs] [in] [fpq [sf] [ft] [cfs] [%] {f/s] [%] [f/s] CB#1 1.55 12 0.02 0.01 0.79 0.250 6.57 23.6 8.36I 80 6.69 CB#2 2.38 12 0.02 0.01 0.79 0.250 6.57 36.2 8.36 j 86 7.19 CB#3 2.7 12 0.02 0.01 0.79 0.250 6.57 41.1 8.36 j 105 8.78 CB#4 4.64 12 0.02 0.01 0.79 0.250 6.57 70.6 8.36 113 9.45 MH#1 4.64 12 0.03 0.01 0.79 0.250 8.04 57.7 10.24 103 10.55 FES#1 CB#5 0.86 0.03 0.01 1.23 0.313 14.58 5.9 11.88I 103 12.24 CB#4 IZ CB#6 0.27 0.03 0.01 1.23 0.313 14.58 1.9 11.881, 71 8,.44 CB#4 * From Chart 6.13-Values of Hydraulic Elements of Circular Section for Various Depths of Flow D:\JOB\88319\STMPIPE.xls i • civil engineers - planners - surveyors - gis esi n Prcj.�No.Project: ofessionals, inc. Description: Q041r-i-q 0- J 165 South Satellite ROM,South WWII'",CT 06074 CaIc.BY--LLe Date:1-21-. Chkd By: Date: (860)291-8755-FAX:291-8757•e-mail:dpicMlOaol.com 0' a f Pry. �200 i,ryN ev+ I I CI�d ot IcN6-4-�v Hydrograph Report Page 1 Hyd. No. 2 FIRST FLUSH Hydrograph type = SCS Runoff Peak discharge = 0.04 cfs Storm frequency =L2 yrs) Time interval = 2 min Drainage area = 2.1 ac Curve number = 78 Basin Slope = 0 % Hydraulic length = 0 ft Tc method = USER Time of conc. (Tc) = 14 min Total precip. = 1.00 in Distribution = Type III Storm duration = 24 hrs Shape factor = 484 Total Volume=434 cult,0.010 acft Hydrograph Discharge Table Time -- Outflow Time -- Outflow Time -- Outflow Time Outflow (hrs cfs) (hrs cfs) (hrs cfs) (hrs cfs) 12.27 0.01 13.40 0.02 14.53 0.02 15.67 0.01 12.30 0.02 13.43 0.02 14.57 0.02 15.70 0.01 12.33 0.02 13.47 0.02 14.60 0.02 15.73 0.01 12.37 0.03 13.50 0.02 14.63 0.02 15.77 0.01 12.40 0.03 13.53 0.02 14.67 0.01 15.80 0.01 12.43 0.03 13.57 0.02 14.70 0.01 15.83 0.01 12.47 0.03 13.60 0.02 14.73 0.01 15.87 0.01 12.50 0.04<< 13.63 0.02 14.77 0.01 15.90 0.01 12.53 0.03 13.67 0.02 14.80 0.01 15.93 0.01 12.57 0.03 13.70 0.02 14.83 0.01 15.97 0.01 12.60 0.03 13.73 0.02 14.87 0.01 16.00 0.01 12.63 0.03 13.77 0.02 14.90 0.01 16.03 0.01 12.67 0.03 13.80 0.02 14.93 0.01 16.07 0.01 12.70 0.03 13.83 0.02 14.97 0.01 16.10 0.01 12.73 0.02 13.87 0.02 15.00 0.01 16.13 0.01 12.77 0.02 13.90 0.02 15.03 0.01 16.17 0.01 12.80 0.02 13.93 0.02 15.07 0.01 16.20 0.01 12.83 0.02 13.97 0.02 15.10 0.01 16.23 0.01 12.87 0.02 14.00 0.02 15.13 0.01 16.27 0.01 12.90 0.02 14.03 0.02 15.17 0.01 16.30 0.01 3 0.02 14:07- 0:02 - -1520 0-01-- 16.33 0701--- 12.97 0.02 14.10 0.02 15.23 0.01 16.37 0.01 13.00 0.02 14.13 0.02 15.27 0.01 16.40 0.01 13.03 0.02 14.17 0.02 15.30 0.01 16.43 0.01 13.07 0.02 14.20 0.02 15.33 0.01 16.47 0.01 13.10 0.02 14.23 0.02 15.37 0.01 16.50 0.01 13.13 0.02 14.27 0.02 15.40 0.01 13.17 0.02 14.30 0.02 15.43 0.01 13.20 0.02 14.33 0.02 15.47 0.01 ...End 13.23 0.02 14.37 0.02 15.50 0.01 13.27 0.02 14.40 0.02 15.53 0.01 13.30 0.02 14.43 0.02 15.57 0.01 13.33 0.02 14.47 0.02 15.60 0.01 13.37 0.02 14.50 0.02 15.63 0.01 Hydrograph Summary Report Page 2 Hyd. Hydrograph Peak Time Time to Volume Return Inflow Maximum Maximum Hydrograph No. type flow interval peak period hyd(s) elevation storage description (origin) (cfs) (min) (min) (acft) (yrs) (ft) (cuft) 2 SCS Runoff 0.0 2 750 0.01 0 --- ---- ------ FIRST FLUSH Proj. file: 319.GPW OF file: SAMPLEADF Run date: 12-02-1997 civil engineers - planners - surveyors gis Proi.No. 'Oe Project: pro:)�SeigsVonals, inc. Description- 165 South Satellite Road,South Windsor,CT 06074 Calc.By:_;�L.}•i Date: 'i 'Chkd By: Date: (860)291-8755-FAX:291-8757-a-mail:dpicMlOao1.com 'A 4c-C '7 �To -7 60.0 \ ♦♦ EXISnN \ � ' \ � sue♦♦ GRAVEL — —` � , — �. .�� ♦ No. 348 f x ♦I 1 1 \t \\\ \ \\ t\ � �' 5 .5 1 \ \\ \i — — — — — — — i I t f >c I 1 \ CB#6 56.5 \ ♦ \52.2 1R. fL0OD LINE \ \ \ ♦ N -A 1 55 t 11 CB 4 I 54.0 I 56, t ` MH 1 � 1 ` I I ( 52.0 t Lp 56. 54. I \\ " £ Co. C85 \ ' ( C ` N 2 7S t FLARED END 52.2 t f INV.,44.50 / N PLUNGE POOLAL 52.0 co cn 55.1 \ 2" CRUSHED STONE 12" H1GH x 6' WIDE t LX 52.2 m MIXTUfk OF CATTAILS, \\ 1 t \ NAL FLOWER, BULRUSH, BUR—REED AND BLUE \ • 4 ::\ ♦ 1 t t \ 24 \ \ t \ \ FLAG IRIS. ` 54.5 ` t -D 18" O.C_� RECESSED \ \ 2 , t t BELOW RIPRAP LEVEL C62 \ r\ \ \ \ \ \ CB#l\♦ ♦♦ I t \t \ 1 \ \ \ 1 t 6' NO OE PLANTE EA \ � 52.2 ♦ ` \ \ \ ` 3.0 t , ♦ RAINFALL INTENSITY CHART IN INCHES PER HOUR HARTFORD , CT STORM MINUTES (YRS) 5 6 7 8 9 10 11 12 13 14 15 16 17 118 19 20 21 22 23 24 25 126_ 27 128 29 30 13'1 32 2 4.1 3.8 3.6 3.4 3.2 3.1 3.0 2.9 2.8 2.6 2.5 2.4 2.3 2.3 2.2 2.2 2.1 2.1 2.0 2.0 1.9 1.9 1.8 1.8 1.7 1.7 1.7 1.7 10 6.2 5.6 5.4 5.3 5.0 4.7 4.5 4.4 4.3 4.1 4.0 3.9 3.8 3.7 3.5 3.4 3.3 3.3 3.2 3.2 3.1 3.0 2.9 2.9 2.8 2.7 2.6 2.6 25 7.1 6.7 6.4 6.1 5,.7 5.6 5.4 5.2 5.0 4.9 4.7 4.5 4.4 4.3 4.2 4.1 4.0 4.0 3.9 3.8 3.7 3.6 3.5 3.5 3.4 3.3 3.2 3.2 50 7.7 7.4 7.0 6.7 6.5 6.1 6.0 5.8 5.6 5.4 5.2 5.1 5.0 4.9 4.7 4.6 4.5 4.4 4.3 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.6 100 8.4 8.0 7.6 7'.3 71I,.'O 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 =.25.115.0' 4.9 4.8 4.7 4.6 4.5 4.4 4.3 4.2 4.1 4.0 3.9 3.8 MINUTES STORM (YRS) 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 -50 51 52 53 54 55 56 57 58 59 60 2 1.6 1.6 1.6 1.5 115 1.5 1.4 1.4 1.4 1.3 1.3 1.3 1.3 1.3 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.1 1.1 1.1 1.1 10 2.6 2.5 2.5 2.5 214 2.4 2.3 2.3 2.3 2.2 2.2 2.1 2.1 2.1 2.0 2.0 2.0 2.0 1.9 1.9 1.9 1.9 1.8 1.8 1.8 1.8 1.8 1.8 25 3.1 3.1 3.0 3.0 219 2.9 2.8 2.8 2.7 2.6 2.5 2.5 2.5 2.5 2.4 2.4 2.4 2.4 2.3 2.3 2.2 2.2 2.2 2.2 2.2 2.1 2.1 2.1 50 3.5 3.4 3.3 3.3 3 2 3.2 3.1 3.1 3.0 3.0 2.9 2.9 2.8 2.8 2.8 2.7 2.7 2.7 2.6 2.6 2.5 2.5 2.4 2.4 2.4 2.4 2.4 2.3 100 3.8 3.7 3.7 3.61316 3.6 3.5 3.5 3.4 3.4 3.3 3.3 3.2 3.2 3.2 3.1 3.1 3.0 2.9 2.9 2.8 2.8 2.7 2.7 2.7 2.7 2.6 2.6 CHART 2 January 1 Al 55 4000 w 2 3000 -� 50 t- O 2000 a 45 40 f000 35 900 . 800 ILI 700 1- = 30 600— z 500 cn \ a rn RAVED ` w z 400 O 90�ai z 23 O W 300 0.80 At y a U. tr - t>r 0.70 w t' z CL \� W 20 200 BARE SOtL Q,6Q - �\ _ 0.1 w a POOR GRASS 0,40 O \�� O z SURFACE w I-- O -� 35 z w �LQO AVERAGE GRASS 0 30 15 SURFACE V 1.0 H 80 ti �_ 0.20, w 2.0 70 DENSE GRASS` 0.15 w ... w 60 �U�.�N,At U�^ z 10.0 w 50 20.0 a `� 40 10\ 30 9 8 20 7 s w 10 5 EXAMPLE 'A' > EXAMPLE '8' LENGTH: 700 FEET a LENGTH: 100 FEET PAVED DENSE GRASS SLOPE: 1.0 % SLOPE: 6.0 TIME: 10 MINUTES TIME : 13 t/= MINUTES TOWN OF SOUTH WINDSOR NOMOGRAPH FOR DETERMINING APPROVED STANDARD DETAIL TIME OF CONCENTRATION i JANUARY, 1991 REVISED: (CHART 3) PUBLIC NWttq DIR[CTt#fl a as -... r• 6 aY 16%WA4 fm%wi a f Cross- Sediorul( _ For pipcs full - X - - area of waterwoy = or halt-full �c - welled perimeter R �• 4 R P =Nydroalic rvdi u s C,tC710N OF ANY OPEN C%4A." SL SECTION OF CIRCULAR P%rP '=Avergge or neon ve%ci/y in feel per secono'. = a V-Dischcr qe of vipe or chonne/ in cubic feet per second Cc. As.). 7 - C0Cff/Cierlf of rouyhncss ofpipc or channe/ svrfccc , see Tab/e A-)C�?./8-69. s =S/ope of h/ydrau/ie Gradient CA%1a r surFoce in open ehann&-1s or PfpeS not under pressure, SO.Y,t os s/oive of chonn--1 or pipe inv¢rf on/y when flow %S uniform in COr7.3fanf SCction_ 'IG. A- HYDRAULIC ELE ENT5 OF CHANNEL SECTIONS. too - 90 - �< 80 -- ---- —�� G 7O - 2 - — -- - W 60 At J L Qo 30 0 7Ut� -- - F,lta J Oct y — 1 .20 �- - ----- -- - ro - - - --- - - --�- --- - -=-- ---- --- -- -- 0 10 20 30 40 SO r 70i 80 90 IOo 110.1. 84-0 Lp G . HYDRAULIC ELEMF_NT5 PEA-CENT OF VALUE FOR FULL SECTION (APPROXIMATE) �1 M sE•' Give- -Di arye =/2 c f-s. Zh,c vab a p c- wl ieh hes -ap ccily f/v�riny fu// /sC.f.S. pt ye/ocify c•f 7-0r��- src_ .Peyu�ia% fc+ l:i;a' V',/Sr /2.C.f.5. %y of io/ve � of f/ydratu/ic E%mc-.�f�, 11;V Y-412 5%x7o;? f f per sec. Q•�`V -:5 OF HYDRAULIC ELEMENTS OF CIRCULAR 5ECTIOH LUC 7-: FOP, V ARIOUc5 DEPTHS OF rLOW. -- - s . — _ lt•j' ` 'f ii ..,W,wa,4 1 f � � 7i `ay ak yvy{{�J 4 fib � MEMORANDUM To: South Windsor Inland Wetland/Conservation Commission. From: Jeffrey H. Folger-Zoning/Wetland Enforcement Officer Date: December 9, 2003 Re: App. #97-98P - Review of the proposed parking lot at Podunk Farm, Ellington Road. Plans dated 12/2/97. #03-92P—Re-application after expiration of prior permit. Plans dated 12/04/03 The project is to create a 90-space parking lot on the east side of the property. Proposed regulated activities include locating parking lot and the stormwater outfall in the 80' regulated URA. The application estimates that approximately 17,000 sqft of disturbance is proposed to occur in the upland review area. Site: The site is located in the Podunk River watershed. The site is lightly wooded in the western '/ of the site but is primarily an open meadow. Relief on the site is gently sloping to the west. The total site is comprised of 10 acres, approximately 6 acres of which is wetlands. The wetlands are located in the center of the site. The main stem of the Podunk River runs through the site. The river and its associated floodplain comprise the regulated area on the site. They would be characterized as a wet meadow where the disturbance is proposed to occur. Groundwater appears to provide the hydrology to the wetland. Major functions of this wetland area would be flood storage, wildlife habitat, and some groundwater recharge. Impacts: The areas of proposed disturbance were maintained as a meadow with regularmowing occurring for hay, which also inhibits the establishment woody vegetation. Runoff borne pollutants from.the proposed parking area is a concern. A vegetated sediment basin/biofilter is planned to be built to address water quality concerns. A level spreader is planned to disperse anticipated storm.flows.• I would-recommend that an as built be prepared after construction of the sedimentation channel to insure proper grading. . The soils mapped on the site are listed as Elmwood Sandy Loam(EnB). This soil has a listed erosion potential of low to medium. The planned erosion controls should be adequate to contain sediments.: , . Impacts to the wetland area from this proposal should be minimal. The permit was allowed to elapse without renewal. Work has been started on the site. MEMORANDUM DATE: December 18, 2003 TO: File Y FROM: Elizabeth Warren, IWA/CC Chairper on RE: Mill on the River auxiliary parking lot The Commission has authorized Mill on the River temporary use of the auxiliary parking lot across the street from the restaurant. The parking lot can be used until January 1, 2004 and will also need prior authorization from Town staff. t0W N SEq a Tim Sou. ?d&U&Ot s 1540 SULLIVAN AVENUE • SOUTH WINDSOR, CONN. 06074 SOR•CO AREA CODE 860/644-2511 December 30, 2003 Certified #70020510000081151614 Design Professionals, Inc. Attn: Ms. Karen Isherwood 165 South Satellite Road South Windsor, CT 06074 RE: Appl. #03-92P- Mill on the River, 989 Ellington Road, A-20, Residential Zone Dear Ms. Isherwood: At the December 17, 2003 regular meeting, the Inland Wetlands Agency/Conservation Commission approved with conditions application #03-92P — Mill in the River- 989 Ellington Road — Inland Wetland/Conservation Commission application to create an auxiliary parking lot across the street from the restaurant. A-20, Residential zone. This approval is subject to the following conditions: 1. One blueprint.copy of the entire set of plans and this letter reproduced thereon, must be submitted to this Commission. 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 two years and shall expire on December 17, 2005. It is the landowner(s)/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. 5. A contact person shall be identified on the plans. Mill on the River December 30, 2003 Page 2 6. We recommend a bond in the amount of $10,000 be submitted to the Planning & Zoning Commission to ensure compliance with the Erosion and Sedimentation Control Measures. Very truly yours, Elizab@Kth Warren, Chairperson INLAND WETLANDS AGENCY/ CONSERVATION COMMISSION EW:dr cc. Mill on the River