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Home My WebLink About2001-06-21 Response Comments 66 PARK STREET ANDOM , MA 018I0 FAX, 9)475—I448 FACSIMILE COPER PACT DATE: I`-'1� �� Oaf NUMER OF PAGES; 1 (INCLUDING G COVER SST) --..........---...._._ E i — -- ' ` —' -- o F&j*+...- 14+wo FRON4- a COMMENTS- 1 ti 1• aA�` --- +►`. ...-- SEMING TO FAX NUMBEW CONFMAUNG TELEPHONE NVAMER: core f FOR PROBLEMS, PLEASE CALL OPEPATOR: (978)475-3555 TRANSMISSION., YCONFIRM _ NO CONFIRMATION NEEDED hAEtN21hiWplC E#dG4y+kE RIS r SE�t �S 9FiC. • G6 PARR STREET 4{gDp7JER-MASSR ►p}{7TS 0�8fQ MERRIMACK ENGINEERING SERVICES, INC. Lit I PROFESSIONAL ENGINEERS O LAND SURVEYORS * PLANNERS b5 PARK 5MEEF•ANDOVER,W.A,SACHUq,,PM 01$10•TEL(978)475-3555.373 5721 •FAX(978)475-1446•E hiAlt;morrong@GCI.corn May I, 2001 Town of North Andover Plan Eiing 13oard 7 Charles Street North ATidover, MA 0184 Route 114 Csar Wash Faciliiy Dear Members of the Board; We have reviewed the com meEits prepared by V1 1B, Lli inecring C}onsultant for the Plalllihig Board, darted April 26, 2001. Our responses to these coninients alre as foI low s, in 01-der as Presented ill their review letter. 1- Re; Section -3-5 of the North Andover Zoning ley-Law— Site Plan Review A. Tlicre are,no known casements, or legal enewnbrances on this property at this time, R. The, Gross Flow- Area (53 6 sq- ft-) has been added to the Layout Plan (skeet 3)- C. The A.Enendtd Order of Conditions for this project has font been issued at this time. D. Landscaping "Planting List" has been added to the pians, based on Mike Howard's recommendations, far review and comment. See sheet #b- E. Lighting fixtures shall be "Yard Light" style, simiIar to that wkich is at the Xenakis Retail Co mp]ex on S alem Street- Make and inodel to be verified- F. A traffiic count has been prepared by DJK Associates, and was submitted to MYiD for review and coinnient- No MEPA threshold are tripped. No Traffic Impact SIady was requested by the PIanniiig hoard. The ponce Chief indicated that no impact will be created, G. A N' D Access Permit has been applied for lout not obtaitied, at Ihi dn)e. Town o Mnnh Andover Planning Beard May 1, 2001 Page 4. Draipagt:Design and Ca]culations A. Clearances have been achieved between pipes when one, pille Qrosses over another, as indicated_ Sheia #5 has been revised to rellea Ili is change accordingly. B. This 6" CL T pipe has been relocated to DME #3 as noted, and shown on the revised plapi, sheet #5. C. The invert out of the projected pipe end has been adjusted from 23 1._88 to 2 3 1.65, The Stonnceptor Upi it sha€1 rein ain as per sheet 5. D, The second Flood Storage Facility "A" will receive floodwater from the firs$ flond storage facility 'W, through the 10" CLD1 pipe, as the flood hacks up into and aceunnulates within (lie first "A" faciI ity. F. The 2,5 minute time of concentration is very conservative, as provided by the HydroCAD modeling progra in. It should serve no real pui-pose to modify the analysis. F_ Pipe Capacity Calculations can be provided, tspun reclut:st by thte PIanniug Board. All pipes do have amplc capacity to handle the peak flows_ . The grass-lined outlet swale to the wetland will be nearly flat with slight side slopes, Also, spot shots have been added to sleet 5_ The s ale detail on sheet 7 has also been modified accordingly. H. 1_ The T S Removal bate Calculation has been updated, and is attached herewith for review and Cprr ment, 2. An Operation and Maintenance has been revised and updated, and is attached herewith [br review and coi-nment, MP'iZ?JNIACK ENGINEERIN9 SWVIC�S.M. 66 PAPK SIRFEI ANE>OVER. MMSAC fUST-75 01 R?1-J Token ofNorth Andover P[ai n ing Board May 1, 2001 Yagc 3 5. Standard Englni� eying Practice A. The l}ollards will be located at each of the four 4) vacumn Pump units, and shown can revised sleet #3, B- The locations of the Versa-Iok wars and tine reinforced concrete retaining walls are shown and labeled on sheet 43. C. Since there are less than 15 spaces required of proposed, tit) handicap spaces are required to be provided- Given all of the above, please contact our oMee should you have any (Iuestions or comments. Very tndy yours, E,RLUMACC;i ENGINEERING SERVICE ebbert . Daley, RE. Civil Engineer cd Enclosure cc'. VHB DJK Associates Joan Leeman LRR-MAC i{EN(-IN FMN{.,SLRVICt=S.VC. 66 PARK SrRFF-r A I]C]VFR-MAR;A1:Hl1 kl 1S 1)18 10 MERRIMA K ENGINEERING SERVICES, INC. PROFESSIONAL ENGINEERS * LAND SURVEYORS * PLANNERS dh PARK�iTR T •ANDOVER.MASSACHUSEM t�191 T1EL(978)475-,%V5.M 5791 •FAX(979)475-144B •F-MAID rnerrengL;6�1.carn May 14, 2001 Town of Noah Andover Planning Board 27 Charles Street Forth Andover, MA 01845 RR Route 114 Car Wash Facility Dear Members ortlie Board: We have reviewed the cominerEts from "Timothy Willett 0rtile North Andover Division of Public, Wor s, in his letter to the Town Planner, dated May 1, 2001, regarding the subject project. OUT resPOWSes to these copnments are as foflows, in order as presented in lifs letter- 1. The e4imated water use is a function of the, volume of cars. Typically, Saturday would be the busiest clay. Between 70% and 900N of wash and rinse water is reoycled- The rinse wa-ter is recycled back to tht, wash water. It is estimated by Robert Roos at Canm erv, Effie manufacturer of the wafer recycling/recovery system, who suggests that a 5000 gallon storage tank could be provided to accumulate a 24 hour storage volume, which could be Fetained and discharged into the sewerage system at off-pea k hours, i C necessary, using a motarized butterfly valve on a Oner, or a pump setup on a inner- This volume. would be equally replaced with make-Lip water. 2. The, plan has been revised to change the water service pipe size from 12" to 8 Which will be Connected to tlic existing 8" stab- I No COMFnent i-equii-ed. 4, Rem ##2 on sleet #8, under "1 atcr Main Notes", has been i-evised to read "200 psi", instead of"l 50 psi". . A detaiI of the proposed back flow preventor shall be sent to Dennis Bedrosian for review and approval prior to oonstruction- G. Tl,e chemicals to be used in the process will be biodegradable soa'Ps and silicone 1)ased drying agents. These product brof.h ures shall be obta1net[ and sent to Mr. Bedrosian for Jjis review and aplxruVal prior to operatiOn of the facility. Town ofNorth Andover Planning Board Page Please contact our office shouId you have any quesiioiis or comme'it s. Very truly Yours, ERRIMA R ETA(31NEEIUNG SERVICES 4" 6bert _ Daley, P.E. Civil Rogineer cd cc: Mr. Timothy J. Willett, DPW Engineer i orth Andover Building Corporation M�RrIMACX FNGINLEIr�?NG SERVICES, IK- 66 PAW SMEFT ANUUVU�.MASSAC1 JSETTS (11810 MERRIMACK ENGINEERING SERVICES, INC. PROFESSIONAL LNG IN EERS • LAND SURVEYORS • PLANNERS 66 PAi,-K S1REET+ANDOVER.MASSACHIJSETTS 01 81 0•TEL(978)475t'i i.r),973-F>771 - Fax(9743)475-1448* E-MAIL'MerreAgLI'ao9.Corn May 16, 2001 Town of North Andover Planning Board 27 Charles Street North Andover, MA 01945 FEE: Monte 114 Ca Wash Facility ]car Members of the Board: We have reviewed the comments prepared by V1.113, Ejigineering Comullant for the Planning Board, dated April 26, 2001. Our revised rest}ollses to these cojiirnents are as follows, in order as prese)iucd in their review letter, which supersede our previous letter-dated May 1, 2001 l . Ito: Section 8-3.5 of the North Andover Zoning By-Law — Site Flan Review A. There arc no known legal encumbrances on this property except ffir a mortgage to Warren Bank. 'Fherc is a sewer easement for the existing sewage pump station- B. The Gross Floor Area (5326 sq- ft-) has been added to the Layout Flan (sheet 3)- C- The Amended Orde1-of Conditions for this project has not been issued a this time. D. Lao dsQaping "Planting List" has been added to the plans, lased on Mike 110 aril's recormtneridafions- See sheet.#6- F:, Lighting fixtures shall be"Yard Tight" style, similar to that which is at the Xenakis Rel ail Complex on Salem Street. F, A traffic count has been prepared by DJK Associates, and was subrolmd to WID for review and con mint. No MF..PA thresholds are tripped- A. Traffic Impact Study has beer] prepared, as regLlested- T11C 1)01ice C11iet' indicated that no impact will be created, C. A II] Access Permit has beef} applied for by T).TK Associa€es but not obtained, at this time. Town ofNarth Andover Planning Board Page 4. Dminage Design and Calculations - Clearances have been achieved between pipes where one pipe crosses over another, as indicated. Sheet #5 has been revised to reflect this change accordingly, R. This 6" CLD1 pipe has been relocated to 1 MII #3 as noted, and shown on the revised plan, sheet 95. C. The invert out of the projected pipe end Etas been adijtastecl from 231,89 to 231,65, The Stormeeptor Unit shall remain as per sliest 5- D. The second Flood Storage Facility "A" will receive floodwater from (lie F1mt flood storage facility "A„ through ilie 10" C'LDI pipe, as the flood hacks up into and accumLiIates within tlie, first" " facility- . E. The 2-5 minute tinge of wncentratIon is very ccnscivative, as provided by the HydroCAD modeIing program- It should serve no real purpose to mo i#y the analysis- F, Pipe Capacity C}a[culations have been provided, All Pipes have ample capaciiy to handle the, peak #lows to the drainage faciliiies- G, The grass-lined outlet ;wale to the wet and will be nearly flat with slight side slopes- Atw, spot shots have been added to sheet 5- The s ale detail on sheet 7 has also been modified accordingly, 11- 1- The TS S Removal Rate CaIculation has been updated, and is attached herewith for Teview and comment- An Operation and Maintenance ha,i been revised and updated, and is attached herewith for review and ccniment- MEPRiMACV FNC-ANkENNG SERVIC€S. I.W. 66 NAI?K STRUT AN1X)VFP. IWV SSACf1USEFTJ 0talC 'rown of North Andover Planning Board May 1, 20101 Pa e, 3 51 Standard Engineering Practice A. The bollards will he located at each of the four (4) vacuUM P11.11.1p u n i ts, aii,d shown on revised s heet #3 R The ki,cations of the Versa-le walls and the reinforced concrete retaining walls are shown and labeled, onshoct #3,, C, Since there are less,than 15 ,spac,cs required or proposed, no handicap spaces are reqtdredto belm-ovided, unless requested by the Planning Board. Y Given all of the above, please contact our office sho; yo ld :u have an que.,tions or comments. Very truly Yours:, MERRIMACK ENGINELRING SEIRVICES '9 Robert C. Dalcy, P,E. Civil Engineer eel Enclosure ee: VHB D,TK Associates North A arc over.Building Corp. MERRUM.'Y FNCINEEWNG SERVICE& INC: 66�APX SRIET * AhJ17X-WFFZ NAAY.�ACHUSUES 01M 7 -r r r i ir �cna it Location: C� a r k n a V'Ix r D TSS Removal StarUng TSS Amount Remaining NIP Pate Load* Removed ( Load -I Gas `a'rMcc r . 80 0, 75 0, 40 0. 15 O Total TSS Removal 88. 7 Z Project: 2Efx, 11W ._ r W Prepared By: _ * Equal remaining load from previousB P ) Date: ►- a took which end the BMP MERRIMACK ENGINEERING SERVICES, INC. PROFESSiONA1.1=NUNIERS * LAND SURVEYORS 6 PLANNERS 66 PARK STREET•ANDOVER. ASSACHU5ETTS 01810+TEE(F78)475-3555,373-5721 i FAX(Wl9)475-1448 E-MAlt:m rran0@aalccm May 30, 2001 Mr. Ti Willett Town ofNarth Airidovcr Division of Public Works 3 84 Osgood Street North Andover, MA 01945 E Route 114 Car Wash— Sewage Flaw Estimation Dear Mr. Willett. e spoke with Mr. David Bruno of Mc eiI Wash Systems in Providence, Rhode Island on Thursday, May 24, 200 1. He is a consultant and sales representative of car wash system, components, and ht may be given the order to supply all of the equipincnt for this oar wash. "`Y'>LTiVN.,-rL" .`OLUMF He indicated tliat between 1 and 1.5% of the, vehicle trips on Route 114, cstirliated ctt 30,000 peF clay, could conceivably use this car wash "Tunnel" at this Route 114 location- This would be between 300 and 450 cai-washes- At a mini inuni, 70% OC roximately b gallons per w the car wash water is 1ecy :led- App ash is esiiniatcdo be discharged- This would amount to 2700 gallons per day of discharge to the 'rown sewerage system- Assu3ne a six ) liour day for peak flow raft purposes, the Fate of discharge would he 7-5 gpm over the six hour period. "COIN-OP" VOLUME He indicated that the 5 bays could use 7 gallons per cycle an average of 2 cycles per washed vehicle)- This could conceivably generate water usage of 1400 gallons per clay, based on 200 cycles per day. This would aniount to 1400 gallons pot- day which would be discharged to the sewer (3-9 gp3Tn over a six ( ) hour period)- lvlr_ Timothy Willett May 30, 2001 Page 2 SUMMARY The estimated total discharge volume to be anticipated would be 27001 1440, or 4100 gallons per clay. Based on these quantities, it is recommended that a 7000 gallon "recyclingg' tank and a 5000 gaIIon"overfloW' tank should be provided, The "overflow" tank would be pumped out daily, during off-peak or specified tunes, into the Town sewer. Tbf-; would be necessary if the Town sewerage system could not handle the total of 1 t.4 (say 15) gpm, during peak flow periods (weekends). Given all of the above, please feel Free to contaf, u� should you have any questions or Comments- Very truly yours, NERRIMACK ENGWRERING SERVICES �r Robert C_ Raley, R E, Civil Engineer Qd sc; 141r. William Hniurciak � Mr, Thomas Laudani Mr, Louis Minicucci MFR121#a ACIC E.NGNEERNG SEWCES. 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