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Home My WebLink About2023-03-21 Original Application WSP i February 21,2023 North Andover Planning Board Attn: Jean Enright WILLIAMS 120 Main Street & A7� A North Andover, MA 01845 ESPt1RAGES T Re: Proposed Swimming Pool—521 Dale Street c Watershed Special Permit Application J Dear Jean, Our office was hired to assist Tony&Lindsay Sallese with the permitting required to install an in-ground swimming pool, paver patio and fence at their property at the above referenced address. The entire property is within the Residential-1 District as well as the Watershed Protection District. The subject property is part of the"Orchard Path Estates"development that was permitted in the 1980's. The subject lot was created on December 19, 1986 and is currently developed with a single family dwelling. The project is proposed within the"Non-Discharge Buffer Zone" from a bordering vegetated wetland located across Dale Street. The closest point of the patio surrounding the pool to the wetland is 239.5'. The entire project is located outside of the 400 foot"Non-Discharge Zone" measured from the annual high water mark of Lake Cochichewick. Section 195-4.19A of the North Andover Zoning Bylaw may allow the construction of a permanent structure only after a special permit has been granted by the North Andover Planning Board. Unfortunately,there is nowhere on the property where a swimming pool could be proposed that would avoid a Watershed Special Permit application. The swimming pool is proposed as far away from the resource areas as possible and is being proposed in an area that is currently maintained as lawn and/or landscaped areas. As mitigation for the increase in impervious surfaces, a 12-inch wide, 2-foot deep infiltration trench is proposed. The infiltration trench will allow stormwater to infiltrate into the ground during storm events.An Operation&Maintenance Plan(O&M)has been prepared to help ensure the success of the infiltration trench. The O&M requires the infiltration trench to be inspected and cleaned every six months and after every major storm event of 0.5 inches in a 24-hour period, (see attached). In addition,the swimming pool will be equipped with a non-backwash filtration system. The soils on site are mapped as (420 and 421C, Canton fine sandy loam,which are classified as well drained. Given the proximity to the resource areas and mitigation provided, there should not be any significant degradation of the quality or quantity of water in or entering Lake Cochichewick as a result of this project. Williams&Sparages I Engineers•Planners-Surveyors 189 North Main Street I Suite 1011 Middleton,MA l� 978-539-8088 1 www.wsengineers.com Page 1 tiy1 (/ \, S February 21,2023 521 Dale Street I North Andover,MA If you should have any questions regarding this information or require any additional information,please do not hesitate to contact our office. We look forward to presenting this information to the Planning Board at the next scheduled public hearing. Sincerely, WILLIAMS & SPA�IRAGES LLC Thorsen Akerley,RS Project Manager cc: Tony&Lindsay Sallese Williams&Sparages I Engineers•Planners•Surveyors 189 North Main Street(Suite 1011 Middleton,MA 978-539-8088 1 www.wsengineers.com Page 12 S PLANNING DEPARTMENT Community&Economic Development Division Special Permit—Watershed Permit Application Please type or print clearly. 1.Petitioner: Anthony and Lindsey Sallese Petitioner's Address: 521 Dale Street Telephone number&email: 781-608-1119 tony22sallese@,mail.com 2.Owners of the Land: Anthony and Lindsey Sallese Address: 521 Dale Street Number of years of ownership: 1.25 years 3.Year lot was created: 1986 4. Is the lot currently on septic or sewer? Sewer If on sewer,please provide date the sewer connection was completed: 1991 5.Description of Proposed Project: To install and in-ground swimming pool,paver patio and fence within the Non-Discharge Zone within the Watershed Protection District. 6.Description of Premises: Single family residential lot 7.Address of Property Being Affected: 521 Dale Street Zoning District: Residential 1 &Watershed Protection Assessors Map: 104.0 Lot#: 145 Registry of Deeds: Book#: 17250 Page#: 41 8.Existing Lot: Lot Area(Sq.Ft): 43.605 s.f. Building Height: Street Frontage: 361,51' Side Setbacks: 31.2' Front Setback: 91.56' Rear Setback: 123,02' Floor Area Ratio: Lot Coverage: 5.3% 9.Proposed Lot(if applicable): Lot Area(Sq.Ft): N/A Building Height: N/A Street Frontage: N/A Side Setbacks: N/A Page 1 of 2 120 Main Street,Planning Dept., North Andover,Massachusetts 01845 Phone 978.688.9535 Fax 978.688.9542 Web www.northandoverma.gov Front Setback: NIA Rear Setback: NIA Floor Area Ratio: N/A Lot Coverage: NIA 10.Required Lot(as required by Zoning Bylaw): Lot Area(Sq.Ft):.877, 20 s . Building Height:„ 35' Street Frontage: 175' Side Setbacks: 3Q' Front Setback: 301 Rear Setback: 30, Floor Area Ratio: NIA Lot Coverage: N/A 11.Existing Building(if applicable): Ground Floor(Sq.Ft.): NIA #of Floors: NIA Total Sq.Ft,: NIA Height: N/A Use: NIA Type of Construction: NIA 12,Proposed Building: Ground Floor(Sq.Ft.): N/A #of Floors: N/A Total Sq.Ft. N/A Height:. N/A Use: NIA Type of Construction: N/A 13.Has there been a previous application for a Special Permit from the Planning Board on these premises? Yes If so,when and for what type of construction? 4/8/1996-an addition 14.Section of Zoning Bylaw that Special Permit is Being Requested, Ssrtion 1 g5 41 Q B A 15.Petitioner and Landowner signature(s): Every application for a Special Permit shall be made on this form,which is the official form of the Planning Board. Every application shall be filed with the Town Clerk's office. It shall be the responsibility of the petitioner to furnish all supporting documentation with this application. The dated copy of this application received by the Town Clerk or Planning Office does not absolve the applicant from this responsibility.The petitioner shall be responsible for all expenses for filing and legal notification. Failure to comply with application requirements, as cited herein and in the Planning Board Rules and Regulations may result in a dismissal by the Planning Board of this application as incomplete. Petitioner's Signature: /-�. L= Print or type name here: ahany8allose Owner's Signature: ,. Print or type name here: Anthony Sallese 16.Please list title of plans and documents you will be attaching to this application. flan of Land 521 Dale Street North Andover MA Scat@ 1"-20' dated February 16 2023 Page 2 of 2 120 Main Street, Planning Dept.,North Andover,Massachusetts 01845 Phone 978.688.9535 Fax 978.688.9542 Web www.ncrthanclov_ _.rnI nv February 21, 2022 521 Dale Street I North Andover, MA Operation&Maintenance Plan Operation&Maintenance Plan 521 Dale Street,North Andover MA This Operation&Maintenance Plan has been prepared to comply with the provisions set forth in the Massachusetts Department of Environmental Protection(DEP) Stormwater Management Standards. Structural Best Management Practices (BMPs)require periodic maintenance to ensure proper function and efficiency in pollutant removal from stormwater discharges that would otherwise reach wetland resource areas untreated. Maintenance schedules found below are as recommended in Department of Environmental Protection's Massachusetts Stormwater Handbook and as recommended in the manufacturer's specifications. The stormwater management system owner and the party responsible for maintenance of the stormwater management system shall be the property owner and their designated employees. In-Ground Swimming Pool • Swimming pool shall be equipped with a non-backwash filtration system • The property owner shall engage a water hauling company to pump the water and truck the water offsite anytime the pool needs to be drained. Final disposal of the water by the water hauling company shall be in accordance with all federal and state regulations • Pool water shall be pumped into a drywell or into the proposed infiltration trench system during normal dewatering following storm events. • Pool chemicals shall be properly stored according to manufacturers' labels in an enclosed shed or garage to ensure proper containment of any spills or drips Infiltration Trench • Inspect and clean every six months and after every major storm event of 0.5 inches in a 24-hour period • Remove accumulated sediment,trash,debris,leaves and grass clippings. • Remove tree seedlings before they become firmly established. • Inspect the trench 24 hours or several days after a rain event to look for ponded water. If there is ponded water at the surface of the trench,it is likely that the trench surface is clogged. Williams&Sparages I Engineers•Planners•Surveyors 189 North Main Street I Suite 1011 Middleton,MA Page I 1 W.-C. T S February 21, 2022 521 Dale Street I North Andover, MA Operation&Maintenance Plan • To address surface clogging,remove and replace the first layer of stone aggregate and filter fabric. If the water is ponded inside the trench,it may indicate that the bottom of the trench has failed. • To rehabilitate a failed trench,all accumulated sediment must be stripped from the bottom,the bottom of the trench must be scarified and tilled to induce infiltration,and all of the stone aggregate and filter fabric or media must be removed and replaced. Williams&Sparages I Engineers•Planners•Surveyors 189 North Main Street I Suite 101 1 Middleton,MA Page 12 �1 S 0 Inspection and Maintenance Form Refer to Section above for frequency of inspection Inspector: Date: Inspector Title: Days since last rainfall: Amount of last rainfall: Structural Controls: Infiltration Trench Structure Installed at Filter Fabric Sediment Overall Identification Location propaodseed Installed buildup (in.) condition gr 12"Wide Along Poor 2'Deep g p Yes/No Yes/No Fair Stone Trench patio for pool Good Maintenance required To be performed by: On or before: Williams&Sparages I Engineers•Planners•Surveyors C(&- 189 North Main Street I Suite 1011 Middleton,MA Page 13 S