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05-005 Kennedy Rd. PlanningO � iia 4 z • /ZZ.b � "' /3 9/ • € Afor l'O /eil1 Gfg• T1-/E• �tIOE'TNA/'- 9�T�t1 Cooef WArF c5-Ly: E4f � o4 4 e-, ol i a 7, 77 O JOWP ! i4E* irr a co. 17 511-53 � f I i f i 'AwBot } 16 /SX--� olik'a X I T . •� s i /ecscR VEAD FOA? /PEG I STE"R S 6C -4F ity 33 �., A /l/f��'r D /Ct - i�SO = • /�PO,U P� TO �B� S €T. 8 Afs ti PRGE 160 i T ru a 3 © ujMoAae1m� rEo Pow r. 'sjJFF /C /cNT reoAjr,4,r SAT /SFY ZD.vi! 14 � _ I TNA? 7,All-5 P4 .AX i A�4,5 ,BEE.,/ /°XE'i W6 D /A/ CO/V FO/P/K/TY W/Tf/ Tr-/E IeZ& ES A,A �ID 845 ;/f4 A i lala S OF 7-AI E /PEA /J Tc RS OF AM -EIS DF TNE" CQ/YIiNO�v'K JE�Z T OF Dw rc � ffET %DG so O 23 sv T3 ARID l3v .,. - /00 . METERS 25 O b 20 30 40 JO . a COMPUTATIONS: ,0..,k/.I- Q Z,QND /A! DESIGN: Y 1f'7k W4(l0/ O '', 1ff1 C Vt f / FS P/PEi FO, DRAFTING: ,O-- g1lAL/T6 FY CH ECKED:,D r!/Gt,'!�!°J- 041 APPROVED: D. T/- /ONJR34 SCALE: /" ° /OD DATE: /S, /y77 ®W DCOGLASW. at t►tti�S�N �`' ' ��® �� V _ rug ALMER HUNTLEY, JR. & ASSOCIATES, INC. SURVEY - ENGINEERS - PLANNERS 125 PLEASANT STREET NORTHAMPTON, MASS. �S 005 F A 76 SHEET / OF / yZ 0 � Afor l'O /eil1 Gfg• T1-/E• �tIOE'TNA/'- 9�T�t1 Cooef WArF c5-Ly: E4f � o4 4 e-, ol i a 7, 77 O JOWP ! i4E* irr a co. 17 511-53 � f I i f i 'AwBot } 16 /SX--� olik'a X I T . •� s i /ecscR VEAD FOA? /PEG I STE"R S 6C -4F ity 33 �., A /l/f��'r D /Ct - i�SO = • /�PO,U P� TO �B� S €T. 8 Afs ti PRGE 160 i T ru a 3 © ujMoAae1m� rEo Pow r. 'sjJFF /C /cNT reoAjr,4,r SAT /SFY ZD.vi! 14 � _ I TNA? 7,All-5 P4 .AX i A�4,5 ,BEE.,/ /°XE'i W6 D /A/ CO/V FO/P/K/TY W/Tf/ Tr-/E IeZ& ES A,A �ID 845 ;/f4 A i lala S OF 7-AI E /PEA /J Tc RS OF AM -EIS DF TNE" CQ/YIiNO�v'K JE�Z T OF Dw rc � ffET %DG so O 23 sv T3 ARID l3v .,. - /00 . METERS 25 O b 20 30 40 JO . t I /# s COMPUTATIONS: ,0..,k/.I- PLXf ° OF Z,QND /A! DESIGN: Y 1f'7k W4(l0/ O '', 1ff1 C Vt f / FS P/PEi FO, DRAFTING: ,O-- g1lAL/T6 FY CH ECKED:,D r!/Gt,'!�!°J- 041 APPROVED: D. T/- /ONJR34 SCALE: /" ° /OD DATE: /S, /y77 ®W DCOGLASW. at t►tti�S�N �`' ' ��® �� V _ rug ALMER HUNTLEY, JR. & ASSOCIATES, INC. SURVEY - ENGINEERS - PLANNERS 125 PLEASANT STREET NORTHAMPTON, MASS. �S 005 F A 76 SHEET / OF / t I /# s I A STORMWATER MANAGEMENT PERMIT APPLICATION DECISION City of Northampton Department of Public Works Project / Site Name: Beaver Brook Estates Project Street or Location / Assessor ID: Evergreen Road / Assessor's Mn 5, Parcels 005, 007, 012; Map 6, Parcels 019, 020, 021, 058,061; Map 11A, Parcel 003 Applicant Name: Patrick J. Melnik Applicant Address /Phone: 110 King Street, Northampton, MA / 413 -584 -6750 Owner Name: John J. Hanley, Trustee — The Beaver Brook Nominee Trust Owner Address /Phone: 150 West 56 Street, Apt. 5905, New York, NY 10019 Application Submission Date: 4/12/2007 _ THE FOLLOWING ACTION BY THE NORTHAMPTON DEPARTMENT OF PUBLIC WORKS HAS BEEN TAKEN ON THIS APPLICATION BASED ON INFORMATION PRESENTED: Disapproval of the Stormwater Management Permit Application based on a determination within seven days of the receipt of the application that the application is administratively incomplete (see attached documentation). Approval of the Stormwater Management Permit Application. X Approval of the Stormwater Management Permit Application subject to any conditions, modifications or restrictions required by the Department of Public Works (see below) Disapproval of the Stormwater Management Permit Application based upon a determination that the proposed plan, as submitted, does not meet the purposes set forth in the Northampton Stormwater Management. Standard Permit Conditions: 1. All clearing, grading, drainage, construction, and development shall be conducted in strict accordance with the following plans and information submitted with the application and as amended by any conditions attached to this permit: a. Beaver Brook Estates, Northampton, Massachusetts, Sheets 1, 2, 3, 4, 5, 6, 7, 1.1, 12, 13, 14, 15, 16, 17, 18, and 20 Revised 8/2/2007 and Sheets 8, 9, 10, 15, and 19 \ \Smb1 \engineering \Stormwater Permits \Stormwater Permits\Permits_ new applications \Evergreen Rd Brook.doc ---Page i of 4 _ _ . _ revised 9/13/2007, by Heritage Surveys, Inc, stamped by Richard P. Weisse, P.E., Heritage Surveys, Inc. b. Drainage Calculations, Beaver Brook Estates, Evergreen Road, Northampton, MA, Revised September 4, 2007, stamped by Richard P. Weisse, P.E., Heritage Surveys, Inc. c. Soil Testing Logs and Percolation Test Results performed by Peter J. McErlain for Heritage Survey, Inc., conducted on August 1, 2007 and submitted as part of Relocated Basin Revised Drainage Calculations, Beaver Brook Estates, Evergreen Road, Northampton, MA, Revised August 2, 2007, stamped by Richard P. Weisse, P.E., Heritage Surveys, Inc. d. Soil Testing Logs and Percolation Test Results performed by Peter J. McErlain for Heritage Survey, Inc., conducted on May 10, 2007 and submitted as part of Drainage Calculations, Common Driveway Project, Parcel C, Beaver Brook Estates, Evergreen Road, Northampton, MA, Dated June 14, 2007, stamped by Richard P. Weisse, P.E., Heritage Surveys, Inc. 2. The Northampton Department of Public Works (DPW) or its authorized representative shall be provided access to the property to conduct inspections before, during, and after construction activities as necessary. The applicant shall arrange_w tlLthe -DPW_ =to schedule the following inspections: Initial Inspection, Erosion Control Inspection, Bury Inspection, and Final Inspection. The DPW may also conduct random inspections to ensure effective control of erosion and sedimentation during all. phases of construction. 3. At the completion of the work, including construction of stormwater management facilities and landscaping, the applicant shall submit a statement to the DPW from a professional engineer of record in the Commonwealth of Massachusetts certifying that the materials and construction of the stormwater management system was constructed in accordance with the approved plans and will function as designed. All changes to the approved stormwater facilities shall be documented by a professional engineer of record in the Commonwealth of Massachusetts and approved by the DPW prior to submission of the certification statement described above. 4. Annual Reports that are stamped by a Registered Professional Engineer documenting the actions completed as required by the Operation, Maintenance and Inspection Agreement shall be submitted to the Northampton Department of Public Works by October I" of each year (see Specific Condition 1 below). S. If construction of the proposed stormwater system has not started within five years of the issue date of this permit, then the permit will expire and a new permit will be required. Construction is defined as clearing, grading, excavation, filling, and installation of drainage structures on the lots specified in this permit. Specific Permit Conditions: 1. Prior to issuance of a Building Permit, the applicant shall record an executed Stormwater Operation, Maintenance, and Inspection Agreement that is binding on all subsequent owners of land served by the private stormwater management facility by recording it in the land records of the Registry of Deeds. The maintenance schedule and responsibility \ \Smb1 \engineering \Stormwater Permits \Stormwater Permits\Permits_ new applications \Evergreen Rd_Beaver Brook.doc __. __Page 2 of 4 -- - -_ _ for maintenance of all components of the proposed stormwater management system must be adequately specified in Attachment A to this Agreement. This agreement shall be approved by the Northampton DPW and signed by the owner and the Mayor of Northampton. Section 22 -85 of the Northampton Stormwater Management Ordinance provides additional guidance for the requirements of this agreement. 2. This project will be required to submit one or more Notice of Intent (NOI) to the U.S. EPA for coverage under the NPDES Stormwater Construction General Permit. A copy of the final NOI and Stormwater Pollution Prevention Plan (SWPPP) shall be submitted to the Northampton DPW for approval prior to the start of construction and prior to issuance of a building permit. 3. Prior to issuance of any form of occupancy permit for the first dwelling, the applicant must provide drainage easements for all drainage structures on private lots that stipulates ownership, specify responsibility for maintenance of these strictures, and sets up provisions for financial guarantees to maintain these structures. The DPW must review and approve all proposed drainage easements prior to recording at the land records of the Registry of Deeds. 4. Within 60 days of the issuance of this permit and prior to the start of construction, the applicant shall submit revised plans that correct any inconsistencies or errors to the satisfaction of the DPW, including, but not limited to: a. Clear definition on the plans of which catch basins are leaching and which are connected to the stormwater system. b. Elimination of the drainage stub in the cul -de -sac as shown on Plan Sheet 8. S. The plans and specifications approved by this Permit include roadways and conceptual impervious surface areas for site development. During Building Permit applications for individual lots and buildings, the applicant must submit documentation to the Northampton DPW of the proposed drainage and the proposed impervious surface footprint of the site. If the overall size of the impervious surface footprint proposed for each lot is greater than the area specified in the approved plans and drainage calculations or if the drainage system is changed in a substantive way, the applicant shall be required to request and receive approval by the DPW of an amendment to this Stormwater Management Permit and document the amended changes with revised plans and drainage calculations. 6. The proposed stormwater management system is designed to mitigate peak stormwater flows. If, after construction of the proposed system, the system is found to increase stormwater flows to adjacent properties, the owner shall redesign and reconstruct the drainage system to prevent any increased stormwater flows to adjacent properties. 7. The proposed interior road for the development has been specified as 15 foot wide with a 4" crushed stone surface. Any change of the surface or grading of the driveway as specified in the approved plans shall require an amendment to the Stormwater Management Permit approved by the Northampton DPW. 8. The proposed Northern Detention Basin, forebay, and five smaller basins adjacent to the proposed interior road for the development have been designed with a specific volume \ \Smbl \engineering \Stormwater Perini ts \Stormwater Perinils\Permits_new applications \Evergreen Rd_Belver Brook.doc - .. - Page 3 - of 4 - capacity as documented in the approved drainage calculations. If after construction of the proposed basins, the basins are found to hold water for an extended time period after storm events so that the volume capacity of the basins has been reduced from that specified in the drainage calculations, the owner shall redesign and reconstruct the drainage system to meet the requirements of the Northampton Stormwater Management Ordinance. 9. All detention basins, swales, outlets, and other non -piped components of the proposed stormwater system shall be constructed as proposed and stabilized prior to receiving drainage flows from the proposed development. 10. Prior to issuance of any certificate of occupancy, the proposed roadway and gravel interior road for the development shall be constructed as proposed and conditioned by this permit, and all land adjacent to the interior road for the development shall be stabilized and vegetation established. 11. The applicant has not supplied adequate information to confirm that the proposed stormwater management system meets the requirement that the annual recharge from the post- development site approximates the annual recharge rate from the pre - development site conditions. Within 60 days of the issuance of this permit and prior to the start of construction, the applicant must submit information documenting compliance with this requirement to the satisfaction of the DPW. Signature of City Engineer 7 Z��4_ Date cc. Planning Board c/o Office of Planning and Development Building Department Conservation Commission c/o Office of Planning and Development \ \Smbl.\ engineering \Stormwater Permits \Stormwater Permits \Permits new applications \Evergreen Rd_Beaver Brook.doc Page 4 of 4