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Home My WebLink AboutCorrespondence - 919 GREAT POND ROAD 8/19/2003 Town of North Andover Office of the Planning Department " a� uwa a �a Community Development and Services Divisi®n 27 Charles Street a Via° North.Andover,Massachusetts 01845c& iwoods@townofnorthandover.com ( ) Planning Director: 978 http://www.townofnorthandover.com P 688-9535 J.Justin Woods F (978) 688-9542 MEMORANDUM TO: Planning Board FROM: J.Justin Woods,Planning Director CC: Heidi Griffin,Community Development&Services Director Timothy B.McIntosh,P.E.,Vanasse Hangen Brustlin,Inc. RE: 919 Great Pond Road Watershed Application-ACM Development,L.L.0 DATE: July 31,2003 SECTION 3 ZONING DISTRICTS AND BOUNDARIES The parcel of land is located within the Watershed Protection District of Lake Cochichewick. VHB correctly assumed that the site is also in the Residence 1 (R-1)District. The applicant stated that the parcel is in the R-2 district,and that has been indicated on the application for Watershed Special permit. From the zoning map it appears the lot is in R-1 and the Building Commissioner has confirmed that the lot falls in the R-1 District. SECTION 4.136 WATERSHED PROTECTION DISTRICT Section 2—Boundaries and Zones: The Non-Discharge Zone needs to be correctly labeled on the plan. Section 3—Uses and Requirements: The Applicant's engineer should show calculations that the proposed additional area and recharge system have been sized appropriately. To accomplish this,the Applicant's engineer needs to provide runoff and infiltration calculations to Planning Staff and VHB. Section 4-viii:—Special Permit Requirements: The Applicant's engineer has provided a certification that addresses the downstream wetland within the Lake Cochichewick watershed. The Applicant's engineer needs to revise the certification to address the waters of Lake Cochichewick directly. SECTION 7 DIMENSIONAL REQUIREMENTS Section 7.1-Lot Area: This lot is within the R-1 district and the parcel does not meet the minimum lot area requirement as shown in Table 2 of the North Andover Zoning Bylaws. As this is an existing lot,it is subject to the requirements of section 9.1. Section 7.4—Building Heights: The Applicant needs to submit architectural plans to review this section for CGENERAL nce wi--th tie- tovin'Suildin height requirement. COMMENTS proposed pit system should be routinely inspected and cleaned. `Atr apes and maintenance s hedule uld be submitted to insure that debris frarn the roof is removed from the pit. Given the location of the fit acent to the proposed driveway,the proposed pit should specify an H-20 slab/caves to prevent injury an id damage to the system.Applicant's engineer needs to provide,soil test data to show cgmpliance with BMPs as required,to nning Staff and VHB RECOMMENDATIO Planner recommends continuing the hearing until August 19,2003 and directing the applicant to resolve these outstanding issues. BOARD OP APPEALS 688-9541 BUILDING 688-9545 CONSERVATION 688-9530 HEALTH 688-9540 PLANNING 688-9535 lop RECEIVED MERRIMACK ENGINEERING SERVICE INC. PROFESSIONAL ENGINEERS ! LAND SURVEYORS ® -PLANNERS A 0 7 2 0��_� 66 PARK STREET•ANDOVER.MASSACHUSETTS 01810•TEL(978)47535$$.373 1 FAX(978)475-1448•E-MAJU ma TeA9 @Qa.com N0WH ANN r)V_' � � l NIN r Pr t4�IIPu FC t4T August 6, 2003 Mr. Justin Woods Town Planner Town of North Andover Planning Department 27 Charles Street North Andover,MA 01845 RE: 919 Great Pond Road Dear Mr. Woods: During the initial public hearing on the subject, the Board re nested certain information be presented for review at the next scheduled meeting(contin ce granted to the August 19, 2003 scheduled public hearing), This information is provid , as follows: 1. The increase of impervious area, from existing onditions to proposed conditions,has been computed to be 954 sq feet, as indicated in the calculations previously submitted. This incre is due primarily to the proposed front porch with a covered roof(342 sq. ft)an new pavement for vehicle parking on the side of the garage (414 sq_ ft.). "nee the garage area is proposed over a portion of the existing paved driveway, i additional impervious area of only 198 sq, ft. will be realized. The existing t tal impervious area is approximately 2400 square feet. There will be 40%increase in impervious area. 2. The gross floor area of the existing dwelling is omputed, as follows: Basement: 585 sq. First Floor: 930 sq. Second Floor: 725 sq. L The current gross floor area is computed to be ,240 sq. ft. The proposed addition includes the following additional gro I floor areas: Great RoQm over Garage 525 sq. Master Bedroom over "Bump Out" 263 sq. i RECEIVED Mr.Justin Woods AUG 7 2003 August 6, 2403 NOR`i`I-1 LNG"rOt/C-; Page 2 PLANNING CdGr-„"r+AR'!NW—INU The"finished"gross floor area is computed to b 3,028 sq. ft. This represents an increase of 35.2%in the gross floor area. H ever,within the Non- Discharge Buffer Zone,it is our understanding it the size of the proposed expansion is not regulated as in the Non-Dis cc Zone,where an expansion of more than 25%of gross floor area is prohibit 1. Please feel free to contact me should you have any questions - comments. Very truly yo MERRIMACK NGINBERING SERVICES Robert C.Dale PT. Civil/Project E ineer cd cc; Andrew Matses (ACM Development Co.) I'. C { k b d I C MERRIMACK ENGINEERING SERVICES.INC. 66 PARK STREET•ANDOVER MASSACHUSEM 10 MERRIMACK ENGINEERING SERVICES, INC, PROFESSIONAL ENGINEERS 0 LAND SURVEYORS 0 PLANNERS 66 PARK STREET-ANDOVER, MASSACHUSETTS 01810-TEL(978)475-3555,373-5721 -FAX(978)475-1448- E-MAIL:merreng@aol.com August 6, 2003 Mr. Justin Woods Town Planner Town of North Andover Planning Department 27 Charles Street North Andover, MA 01845 RE: 919 Great Pond Road Dear Mr. Woods: During the initial public hearing on the subject, the Board requested certain information be presented for review at the next scheduled meeting (continuance granted to the August 19, 2003 scheduled public hearing). This information is provided, as follows: 1. The increase of impervious area, from existing conditions to proposed conditions, has been computed to be 954 square feet, as indicated in the calculations previously submitted. This increase is due primarily to the proposed front porch with a covered roof(342 sq. ft.) and new pavement for vehicle parking on the side of the garage (414 sq. ft.), Since the garage area is proposed over a portion of the existing paved driveway, an additional impervious area of only 198 sq. ft. will be realized. The existing total impervious area is approximately 2400 square feet. There will be a 40%increase in impervious area. 2. The gross floor area of the existing dwelling is computed, as follows: Basement: 585 sq. ft. First Floor: 930 sq, fl. Second Floor: 725 sq. ft. The current gross floor area is computed to be 2,240 sq. ft. The proposed addition includes the following additional gross floor areas: Great Room over Garage 525 sq. ft. Master Bedroom over "Bump Out" 263 sq. ft. Mr, Justin Woods August 6, 2003 Page 2 The "finished" gross floor area is computed to be 3,028 sq. ft. This represents an increase of 35.2% in the gross floor area, However, within the Non- Discharge Buffer Zone, it is our understanding that the size of the proposed expansion is not regulated as in the Non-Disturbance Zone, where an expansion of more than 25% of gross floor area is prohibited. Please feel free to contact me should you have any questions or comments. Very truly yours, MERRIMACK ENGINEERING SERVICES Robert C. Daley, P.E. Civil/Project Engineer cd cc: Andrew Matses (ACM Development Co.) MERRIMACK ENGINEERING SERVICES,INC. 66 PARK STREET-ANDOVER,MASSACHUSETTS 01810 MERRIMACK ENGINEERING SERVICES, INC. PROFESSIONAL ENGINEERS ® LAND SURVEYORS ® PLANNERS 66 PARK STREET•ANDOVER,MASSACHUSETTS 01810•TEL(978)475-3555,373-5721 •FAX(978)476-1448•E-MAIL:merreng @aol.com July 31, 2003 Town of North Andover ` Planning Board 27 Charles Street North Andover, MA 01845 RE: 919 Great Pond Road Dear Members of the Board, As requested by Vanesse Hangen Brustlin, Inc. (VHB), this letter is written to emphasize to the Planning Board that there will be no detrimental impact to the downstream wetland nor to Lake Cochichewick. The roof run off will be collected and recharged into a leaching pit to provide recharge to the groundwater. The driveway run off will be directed into a proposed grass-lined swale which will serve to filter out any potential pollutants prior to entering the wetland which is greater than 150 feet away from the driveway. Please contact our office should you have any questions or comments. Very truly yours, MERRIMACK ENGINEERING SERVICES obert C. Daley,P.E. Project/Civil Engineer cd cc: Andrew Matses Timothy McIntosh-VHB MERRIMACK ENGINEERING SERVICES, INC. PROFESSIONAL ENGINEERS ® LAND SURVEYORS • PLANNERS 66 PARK STREET•ANDOVER,MASSACHUSETTS 01810•TEL(978)475-3555,373-5721 •FAX(978)475-1448•E-MAIL:merreng @aol.com July 25, 2003 Town of North Andover Planning Board 27 Charles Street North Andover, MA 01845 RE: 919 Great Pond Road Dear Members of the Board, As requested by Vanesse Hangen Brustlin, Inc. (VHB), this letter is written to emphasize to the Planning Board that there will be no detrimental impact to the downstream wetland within the Lake Cochichewick watershed. The roof run off will be collected and recharged to the groundwater. The driveway run off will be directed into a proposed grass-lined swale which will serve to filter out any potential pollutants prior to entering the wetland which is greater than 150 feet away from the driveway. Please contact our office should you have any questions or comments. Very truly yours, MERRIMACK ENGINEERING SERVICES Robert C. Daley, P.E. Proj ect/Civil Engineer cd cc: Andrew Matses