Loading...
HomeMy WebLinkAbout2000-02-24 Engineer Correspondence SINEW MEN RISEN M ...........HF Design Consultants, Inc. 12-B, Manor Parkway - Salmyi. INN 03079 - TEL (603)M-02'0- FAX,(6,0)893-073a October 1-51, 1909 North AurWvQr Plamfil%Ruard Nc 1 0 rdty Develo ncxil wth.Andoyer av�,J�C' Li:Lmjjjj m pl, 27(11,airlo Street North Andmer,Mts9achusetts 01845 RC- T, L ��ITo ol -" 1 1 1 11I.Andovu hidustrial Park, -She Phan Application IVHT#68798 Dr-��r W. Board Mcnibcrs: Orr b01alf of Dutton mid OCu'Lleld,fliis lourwryes to addrcss dicissucs eclat ad'othe dcvOopinont urthc vroposcd'7,344 sf officc buM rig to be,lomcd MT Wfflow Strcc t in the North Andover Ined-,istrial Park. This lctW�saov-es toad&ess sedion t,v and Nv as fisted on the C-Mieddist for Site Plan Rcvicw, siz'c FA 111i S'p'rqj'CCt'wo don't all(iQ'i MA��'all rcliciv by I 11C Con.unom-,walth o s��a f Machu sutvs Ayr this pro.icct other flum for filing,of a N'rati-lec of I 111cull for Oull'struclion fti.thc 100-'f"bot by r zonj�of Mc didjaccml Commullity sorvices as:a resu It of dli rqfca Based on lhi,8 infibrimation,we would requiem the Board ivaive the requLremenls for plro�viding a Fiscal or Cbwren unilybnp,.�Anualysis.fur,Us prujua, ld-ml lmvee anyqaestions,pIcasc comact nx,,a �-ur conizenplence- Sinuerel errs principal Cc� IML Stcm,-Webstcr, Dulb�mk itud Gm'fleld ENGINEERS PLANNERS SURVEYORS MHF Design Consultants, Inc. 12-B Manor Parkway• Salem. NH 03079 • TEL(603) 853-0720• FAX (603) 893-G733 December 8, 1999 r_ Min C.liessia Color&Colantou.ia 101 Accord Nrk Drive Norwell,Massachusetts 0 061-1695 Re" Lot 9 Lortli AudoveF k35}atc P,9r�c Nfl-IF#68798 Dear Mr_.Chessia, Please fiord enclosed a revised set of pkm and dmivag caleulWons for tine above referenced pmjcot located of Willow Sfreet in North Andover, These pkms have boom TuOsed based on your commc fs doted November 3, 1999 and CoZ?meats from the Town of North Andover Plaunii and Co;sservstion Commission- Based on those Goliunents we offer the f'ollowi ng; # ING-B FE.A . 1. we si l'T is proper for this silo, 'his site isuot subjcc€to the CEA ui riteort beLause it's existow>--p secedes the 1986 date for this requirement. 19R4, 3. A vmiance was&mmlud €tir liti,,�-ilk Cur a proposed_20 foot 5Clwc k. 4. C:arnmeii€acknmlWgW- 5. Plait are-sued b_ No lcgaf ozrcunibrances axist on dais ant ImW on our stuvev_ 7_ TT}is has bco�o rrCCtod, 8. No signs ptopos�cd for the site_ 9, SeacommeDlabelow 10. Exterior elevations havo boom filch LU, 11. Wetkmd M-gnumbm have-bwi slt)wn and alloticae_af-Irate tl has.1mea Bled whicii has icon fonvardcd wider separate cover with plaits and drainagc c lcuLations for mvim This site is not subject to the Rivem Act since it was created befgrc 1996 wid is exemll. Tliis de€ewiirtation has airoady b cn agrced to by the Consmadon Commission at their Navcmber mccOny, ENGINEFRS a PLANNERS 0 SURVEYORS M H F Design C0nsuRains, Inc, 12. No signs proposed for the site, l3- Disbtuces to the emsting curb cuts-,Biel kt eet have been shown an the revised plans, 14. No outdoor:display aroaNarc propusiA for Ilie silo, 15, A dumpster arch Fars bcl tin shown on CW rcv4i d plan& 16. 71te liulrkirigVim show!S the jIIumination isocanc€fcs l`or the propmed lighting fixtturs- 17. Sce.commcn.lsWow. 38. A,letter report addmssi ng trip gcaieratioai.kvms pmvi&d and.is aMached- 19- `tiie rfotaiI requested loos been added to the pfans- 20, A roqucsl Cor waiver froth flies req i mulaw has.bmi.gi dariw'd. 21- A"uk Sg Cor%v river from dies requimnent fans been grants . 22- ` hkt c sioaLc:ozitrol measures have been shown.. Drainage.Cor1it1tc1tits In gerte.M, the aUaOcc-drainage report Ims bmi s"v im.fu r l OLxuhe Comments iti your lenec. I Wi 11 address some off'the speck items that were raised in your letter withoul letft into too specific detail- With re-5pc(i the 100 year flood elevatiou,we have t o-Warccs that are available to us fur this elevation. Neve Associates ciid a fairly si&mfficant drdhiaage analysis of the bmi inn park as part of Ilie development of tEie.ind.viduaf.5ites-.Their analysis calculabadthe Myer.flood cicvaIiou_tabe at 2Y53 .'flietamlysis;from Stolz and Shop calculated an elevation of 2 36.74,which wn adopicd by the Phanni ig Departmerd and C 01-enervation Coanmission-Siam dus site is not.sigliiffcanUy higber thmLdw Stop and Shop site„.sve wifl assuane dies Oevation to be valid for ptuposes of this site- t have atltiached inforrivarion reial ive to both these elevatlorm for your review- Based on_this-efevatim na fiJIing witliin.this_aiea i.s_pmposed,-#}enure, no compensatory storage mvill be required for the construction of TM6:aatte, The arudysis for.botltipm and.post developnwui conditions.Ntq beet+ nMsi Ld in-m=rdancc witli your cmaneuts rind the revised results indicate no utcrmse for the 2, 10 or 100 yui r desi i stonn cveaits. The ealrmlat�msfxortire.ftrmiraWrMai cinrontreq imni sareincict €or yourrcvicw..a��+cif. 'I1tc estimated water lablc has kcm revirW t7ascd ark your co merits as well. C'almdalions for the 15 aatd 18 i nch pipes iiL Wiflow Strcc:t_vrc:re-na includc;d in tbi 5 analysis since there is no increase in runcklT io this j�ysmrl. i would also Point out that since Wilfoiv Slrcct has no curbbig and most of Lk-roadway shoots to Me adjacent iitW-nd,it 3 vould.bc.di ffkt utt to cic:tenxxiFt,ben nnich it any of the rwioff k actually readiing thi S drzruttage systom, ne desa gn of 010 dctcn howl pored for the 100 year design storm assumes that tlic outlet in the outld structure i,�,sel UWVO the.l 00ycaLfloodelevation and-the pored lrassufficient vol emc to aocvnmodale the taddi Nona€volunw of runoffassodatcd with the Myear design storni event- 'file uolunte Ofstordp lbw#tail,elevation is aswarn*d t-o. ro,. MHF Design CoflsLjijt�jjjs, Inc., I hope we have addresscd inosl of the couuerns outbued inyour,letter mid shoul v u have any qtLCStiO11S, please call me at your coiw�rdonce. Sincere, yours NRIF SIGN CO S I 'T' 1"S, INC. S. r , R Principal Cc- NL-Steve:Websic:r,,[)ltgt4)ilaild!..Qii-field North Aladlover PlanningDepartment Noilh Aiadovei Cmsmafloii Commissiou Town of North o ey . .. -. : I %ORTh . 146 Main StreeT Nora Andover, Nfas8achusetts 01845 SNILLIr� i J. SCOT-: TO: forth Andover Planning Board Mr. WiI1iam Scott; Director C D&S MAY I A 1c97 ROM: Kchael D. Howard, Conservation Administrator DATE: :May..14, 1997 RE: WETLAND RESOURCE AREAS @ PROPOSED STOP &SH0PAs you riay be aware,"the applicant for the above referenced project has filed a Rea uest for Determination of ApplicaHity with the Nam Andover Conserva#icn Commission (NACC), S pecificafly, they are seeking confirmation of'all wettand boundaries jurisdictional under the Massachusetts Weiland Protection Act and North Andover Wet and ByLaw.' On-site jurisdictional weti and s include; 1. Bordering land Subject to Flooding (i.e. "t9oodplain'); 2. Riverfro r i Area; 3. Bordering Vegetated Wegand, The Floodplain: Bordering Land Subject to Flooding- A floodpIain efevaboh of 236.74' NCVD Eras been proposed by the applicant and subsequently approved by the NACC at a pudicheadrq on May 7r 1997, R€ver€r'ont Area: At the time of inspection, Mosgufto Brook was observed to be ;low1ng by this Deparnent and the applicant's represerkta#ive, Mr. Curt Young of WPI, Inc; thus It may be inferred that the strum is perennial atria subject to j uris dfclon under the Riverfront Act. The burden is on the applic ant to prove otherwise and as a means of facilitating this review f have requested addition a! supporfing data from WPf per tie NA C 'Riverft-ont Area Guidelines', As a result. no deteri•Nnatior[was made under this N41g, MosQuito Brook is almost 200' away arrd should the Riverfron.Act apply, this Dep ar ment does not anffc pate Significant issues. 8Grde inn Vegetated Wetland (BVW) & Bank: 'r he BVW and Bank delineatiork as depicted on the p Ian s cdrreni y before the P Ian ri[n9 Board is acwuuate. o modifacalons yore made to the flagged line by this Departrnent_ Stormwater Management: It is assumed that the applicant will file a Notice of Intent with the NACC for future �Nork on the subject parcel. While )l do not foresee dmajor' probl&ns specific to wetland setbacks 11 do anticipate a detailed and carnpficited review of the proposed Stovmwat6,, management system. TF2 app�fcantwill be expected to comply with DEFs 'S tofmwatet Manaiaemeni Policy" which attempt5 to address both water qualii`y (pollutants) and wafer quantity{flood control} problems by esta Nis hing the IzaieI of required controls throuah the use of 8MP'& The applicant has repeatedly stated to this Depawent and the NAC C that his representative is designing the drainage system according to 0EP policy- It this is accurate and the vroik is correct, than a iengtby review process with Lhe NACC Is not like;y, Y Wollaijd Mitigation RePOr*) preparecj by: �'4'etl��rds�'res�rv,iita��, mac. lJ 7t,tied "Wetlawl Nimet VatigaDATED 816197 tion Operation and Ifair�toi � e Plan pr-epared by errimacic �+glneeri ,. eiees, tac, EFitiflcr! i Starnrlvater P(! tia'al & Maintenance plan" r; DAT-CD 8122/97 12, The fallowing Wetfand Rsource areas .�r'e affected �to 8 , I to Gx D12 to 17), Rorderin Y t u l��'� se 3 work: Bank (t,1ags 6.74 NGVD), .'end tho Buffer Zone ass 0cia� w fi Border ct Flooding (Bj. F 4'etfari ' o t fnatiart wt�s made ruder t 'Vegetated :.I. rea#�,r, Of Work within 200, of osqu!to 113roOlt was minor in nati�rc and he fives Bil! becai;s the warrant rt sPecifled ru�i �g fror i the NA CC. i slid not �! tf�e interests of the Act and Tower B These res��rce aro�s are significant to also si Yews Doted above. These resource areas - gz�i�cnt to t����recr #i0nal �d wildlife interests o�'the�3 are � 1�as not a efnpted to o 'erca e tfre p es� ni tin yUw. The a He l to the identified interests. � ofsigni�cance a#thix e resou cce areas i 3, he NAcC agrees with the appftt at's delir1etr of t t the site as esource shown an the-plans da cd i 1 1 7- 'r or to the, isstiarrcc of areas on of o Hance, the appiican# will s��bmit a �afan shauxrrs t a er€i c to at a scale idez�ticai to the `i'owrz wctiar�# nta ` g he site's etiand delixlea#�ott p far this factiorl- i. EscCA 5, by, 3 NACC WIV97 i-r V f{" Y ff you have arty gLfestio s or concerns regarding this matter pease do not hesitate to contact Me. As f f � always, I appreciate the cooporgon a€]d effor#of the Plann=Ig Board when reviewing complex dra«age proposals. Thank you. r Envi,ror;mantas. 13npact statement. s� ccordance with the RequirernQnts of thi* Planning Baa,rd, please find haralw ith thi8 statement of Environmental Impact. A. TQPoRrRPh -L�2-algrne El A detailed watershed plan at a scale of ?" = IOU ' has been submitted whiel7 shows the topographic and site features of t19 Forth Andover Business park, Flagship Drive industrial Park ar,d 4-be pr posad 5uainess Park extension. The Plan jr, drawn with a two foot contour interval and shows the post developed subr,atchnwnt, reaOh and goad delineations. The vegetated qovar is shown and the soil types have been superimposed fro a whe soil C*nsarvation Serif ire Magp:.ngs. The s3Ta to IDe developed is comprised primarily of wotdland. The general topz ggraphy slopes frcr-A wk�5t to cast where tape dx a i:tage c;c;l ects in the cantral wc�t�ar,ci associated with the existing Business Park. surface conditions coo shoV --.One signs o outcjropM; soxre lodge gray be e;rco+.interad. The project will not change the ganeral dxairage paCtex rx directions. The lot areas shall be inhered to oarstruct bui1dirk9s, however all the sites $hall drain Q the zal i I'llwetlandea rev-1ous . -e the bu3_d r a shad b s�txrat as shown on the Watershed Play,. All lot �t�cese shall be nnto tote new r 2adwa eventually using Flagship give and Willow Street South . C. jace�_. Wade*' end of onditigns There is a major wetland eystien which drains from the park extantion flawing west to east. This we lard iclns the a �.st, ng,. -more major wetland, c t _rally located in this Xoc�ts. edimentatian and erosion stall be controlled -by installing rows of staked ],.,ay bales faced witla filter fabric as required biztweeyi the limit of onztl r-Wf cn and the wetland areas. ouce the r€�ad is built the catehbasins shall �antain silt traps which she,, , control roadway sediments from impacting Lhin wetlands. TempararY mulching shall be done to stabi3 i e areas x;ntil pa,--rarient stabilization is achieved. stockpil.4s of materials shall be located on the a ld of the cony-tructicrt area aPpa�;ite from any wetland areas. Erosion or sediment migxatiOn will not happen since it will, be ovntrolled at the source. No general sedimentation provision is Planned- �J Arias subject to flooding' shall not be altOred. The avaluar;ion of he 100 year flood lairs in the central MAR-i N THU 17: 35 01110�NEL Bu[LB-M. CO. FAX N0, 5,M37.3-41900 P. ;41 detention pond i5 36 .3 feet . :�� �'o�rn Yeas �;i�tor�ctx ld recogr�i e als�r bian 3� . 3es ra of the feet as a eexistng ausiness erfor.aed b K.W. Moore Ln the ( , Paz, . is ;Wore rece�,t._ study ,, r__.per bormed ± skn 3 built rxi_i ivria-n�_"3:c`iTkar „'t :; eTE" ner-o The propose drainage system shall be subsurface and shall cods i of c st basins and pipjag whi_c�,_ ave� ?e d .siar�a o 1 ear S ---. t ar storm event c rid the ear own and F , esx� xr�g on Its sgnficac"` k'e irct, xscins is strw:� on the design p3r�s, Proposed roadway low layouts for all new buildings are 3u ldirtg areaarinc �]�a�rn however enact ��te grading canriat be t�ar~�e at tx�is tir�� sincete buiidir a shown depict thi `um s t?_ pnia _ rI7er s t1i fu,.ux'e o, opmet� of earl. site �s tailored to end the end user st_ll to be deteMined, it has Uean the axper'ien;�e E�If the applicant that custr=ers have been at_ra ted to the rural, wooded ► aspects of, the and Bu�;ARes5 Perk. xisting vegetation ot� is � ps51b��� during e lot 11as been maintained as much as da�+elopr��nt. ��:e dev�loptrent shall q0Cii� in keeping with the- evelitscj to�aograph r. l lots o,,tajn sloping lots whir-h will existbe made level in order to constructhe%indust-lal building-,Wetlands it b dox� €�r o axteration of 13orde,. i1!g eg the co str tior a- building. ne lot will require a wetl arsd cro ingl y L not necessary Coto inst�'Al sy eat# dry d co trot the riew road. easements or wetlard easements. A detailed +jydro logic rid he itkl Analysis has been performed of the locus and is o� A :� r2a a systa s?id l ba ccnz;txucted in the niew road which will isolxarge into t-,h� Flags Drive Sewer System. mere Flagship Sstem sewage is P nped pint to the the wWs North ew Essex ages an aryDitributin Sewage eventually flo i g Treatment Flare.. S D. SibsaCodns rr,Ift surface s wooded and sails a mapped the f ?� e are s e odarately well drained. v�sunpect nto reveals roc autcrOPs which must be removed in sclo�sases,The install roadwa 5 utilities and develQP bu{lding8 'ha3] be slab on grade per:stru lien and all drainage from parking arias and road areas will be conducted into the drainage 5ystam of the new road. MHFr Design Consultants, inn. 12-8 Manor P�]rKway • Baled, Nei 03079 • i EL{803; 893-G720 - I AX{E03)893-0733 Hobo 15- 1999 1 Clarks 5'vY ief te, Lot 9' uab Aodclver 1a—iatPIT,- 2+G Plaid ppApplic jai xk i vii T 4 0! N h aff of DvtV)ii c,iid ear o,let 3i+� n�u fILLio the za�Fti�#��.•�.5r1i:•.�ativn fLzY thQ pirY�i'S[14YYf i3�4 f'AIding d,-vciiipmcnt opt b.i iL d On i�+�ap'81 i� 32� T`Y31lV51 4iti4tit]k1 aiC 1{}iVIi i1� tle�ti eiiluDV{I- i r}ri Grr�rr in thi1 'axplic�-i lga err.f-Ec f0 1p,lyti"9�TJ- Iamc 3 1 2S(C 1%x++"t1G s7t Ap}.Iirr��Gn T"oxi Site 1 h.n Rinjcw z, Fi t copic�laf i s arc dcvr—oputant PIM's A. �'ra.} c'v cw F�;c of S �.tDO J L4i 1•�r k4 p(y��3at�f tiullfc 94'Iie. ui71i J4ce the 5Ff$. 6, Uue�r addr...�+i9 Wdi-Milted site d vel mi 1A imPub '3Cfi5C 17G'r3ti r ah(=fGuOYl1u i[iii.ri i iiado� -.wid bold ou 1 uvG ulY�'..lEati34a#65} C&aC.Cvu ai.0 7E1L`Si G'aIS convelifeIL 5. sizIc�' dy ours-, ik1IMF ,ems N 4 1 Co. Ir, Ls- Dutton and Ge-�fd ENGNEE!RS PLANNERS SURVEYORS U-T�............ 44HF DesIg n Consultants, InC. 2-a MonorFarkway r Salem. NH OS079 TES(603) EW-0720 - FAX (603) 6910733 Forth A do-vu Fi wing Bow Qrt h o v!r PWt?iTg 2..FId Cq!-'iiT:7YiE j' 27 Charles Sued hiorLEi ztr�nv ra Mn g'a'�Ly"lt! c 0 1 W CitR elan Appik�tion iV1 F-#68798 Dear 51_{Bo redrlr_.II;,}�5; ({ )1 a1+� �� ,], �}�:+ Ot bC%k�alL titDutton and em—f ieid, ii s fciicr Scr,'s to�L;Na LSllr 333L[L�] icWm' Lair#u�i1.UL:Y4�v�+L�'LCr�k�'i th, rLrY1LYlCI*r�'?'a�j�o O C� lid Fn be $ 1rrf Off W']!'JL't}t ":L].L'�'silc',�o��i-�`si"�e'Lc1rLF�:'�'T�aZi2.��Ik rrvr^•--� - v-� na _ Tti K;t � seI w to 3d1 wsa'ccell n t w dYu W 5 ua�cCt ply die Laic Cl l 7{rE-OF ]ILy ra�sii[nc 5 iu'r`. s o5tiC1 OFl`es}ic 4i-l=`Af 4I54C�'roji , we tjen't antici""-tG„ rf Frick s�-;``-Elm` CcZ�L Onwcialt nfl!'S[1-m _�I LJ4{4g for th:,i. rJ�4,.4L ca a D 'Ot i.,._rre a: t1dwr than it i Ellin ui a i otici,of in. i��C4�iL3Lc'l1L f40�i ui Laii Lv -Ltivvc a�Lul a'iuTiw Vr �L3G aaLfcLti�� tiyr�tl�rS?xC�S, �?II'l�.li ink�E IS 0'Tr i�'f_`i it f th?�f1iCrC.�tii E ,L.,:,ri,?�LIl�Fii,�'iL iiTe�T1Gt#G ti:�c���131'^',ty OF`�o C[};ekrCi�larti"r' iSiGS a�ik �.SE1�L of kii T ac�r3 an i ip nir]]lkf4A �v � -d req-wst tLe Boat waive the NquirerneL#s for pov, -ng a iSc c Coiraki li T Impu t Andlyais fwr tflia PrGJ�Ik Pled:GCri�t�rml at Yam-crgngvs�.+n--P ' 2' t INS'' E 1CaY EE lS PEANNF=F1S SURV8YOAS f Town of North Andover Planniug Board }. Vease type or Pirint clearly. I Petitioner.- 'on d res,s' 10 Fla shiv .Dry o devgl-, t 18 5 T �e omnurribee: 81-86 Q 2. Ow ji erS Of Lhe 1f211.d: Dogleg Rea JtV Trust cf o arine? Bu1Iding COMPany 35^ iida es2 Rand, Wl1m"rgto ' 18 87 TOgjh.o e nuznbe,:' 976-657-370 Number of egrq of OwrLers14-. 10 Yeats 3. L atior� of Fxo�ert Villow stneet Map 96D Lot 5� oiu,rtg hiWict;= -M�CSSGM. Map Re-O y of Deeds: Rook h. -Existing Lot: r Lot Area S ,��.. : �1• 2 39 0 Side Setbacks: �r�et Frontage, 20 F mit eba k- — Floor Area patio: Lot Coverage: � r 5. Proposed Lot: � uilcia. eig : LGt Area Sc�, . ' . idL- Satbacks; treet Frontage, FTant eback: l e r etback' �T Floor,Area RadO` . Required Lot(xis requireed by ZoniAg BYI,% '): 80, Bi ilding Height: L5 Lot Area c ,l~t. ; 5 Side Se#ba ks: 50' _ treet Frontage; Rear Se:hacic' SQ' Front Setback: �� Floor Area Ratio: � Lot. ovorage: � 35 .--- 7. Yxistina BUjI dill g: � of Fiaors' Ground Floor (Sq. Ft. :�^ �J Height: Total q. Vt.. �� Type of Construction.- Use- S. 'Proposed Building: 2 roulid floor (sq. -�� � ar Floors: Total fit_: � 4 H- ,-ight: QC)' .. Type of onstr viori-4asc)r±r.y st�e1 Us-e Qf fice -, 9. Fait toner and LajldOWT�C" signature(s): Eve PPkation fOl ity Plan Re�;ric' shall be made on this farms which is the official farm, of the Plaiting Board. Ever} anplicadon shall.be filet ii h the Town clerk's Office. t 1 all e t< re onsibility of#fie. titi,azrer-to furnish all support�rE docurnentati�n 4 dais apiicatin. T dated copy Gf this au�:icat:on received by tl 'S'oi Jeri or plan �rin Office does zrat absolve the applicant &Gtl this resp.aets�bll€t , T shaft b respan ible fir a e e sas far Hag and regal notiD-ation, 1{aLre to-comply with. application regI'drements, a� cued herein and inthe Plartz�rtg Hard ules 'and re Ztl t€oral nay result -11 a dismissal by the Plannin 130atd Of This aPplieation as �i etitioaer,S S i nature' - Print or-wipe, game, here; owner's ignatare- Print oF. tyn name her 1111111, �- OF P HT1ES OF I T S E PARCEL LO i l Sriddlesex Read, Wilmingto, MA 01887 3_ RealtC/ Building � 35^ M8D s jArJORE IA F I P A-R EL ' i j slA�u� :0181 e ft Tusk 26 oriole Dr".ve, A—Qc e , 5 � �akowzch — — A nv Sakowich I Trust 98D3 # McLa & K. Terranova JA CL2aI f3 9 445 I Edward F� 01845 { I — j7. W, McDowell, N'C Tobe -- 89502 1 E. .L tan i8 'r3�� 43 J981�' j� I 53 I Hence^ I oo FederaMA l G�cahics�Ir - 01845 ;anc j MLU I .e 'er, 7IIAL asp 01845 I � — l I S I 1 I 6 I . I ; s 1 I I f I CONSULTANTS, INCM Me MHF DESIGN To: Bites FC,Drn: HuSeylP Sevinc411 Q Trip Generation Comparison Date October 15, 1999 Re: Trp Generation for a 7,400 51 Office BuitdIng This nqj rmo presents trip generation estimates for a pro osed 7,400 squam foot(s.f)Office Building. To determine the,number of trips to be generated Me S Fd Wrt of the institute of Transportation Er g€veers Trip Generation rnarkual was c0r1suited. The marlual contains#dp generation equations and rates to estimate taps for hundreds of land uses, To estimate the vehicle trips for the office bdiding Lard Use Code(LU )710—Cameral O€floe Build[ng was used. Since the office[wild Ong is amdleT tharx the average size of bul€dlrigs listed in LUC 710 the average rates were used hstead a the fitted curve eyuatian. The results for tt8 weeRday AM and PIM peak hour Eis well as the estimated daily traffic generation is presen(ed in Fable 1. F—' Table 9—VE bWa ner"aniT Estimates for a 7,400 s,f.bhp ce Building Peak PeNad l<n#erin Exlt!ing TOW Wigekda P Peak Hour 11 1 1 Weekday FM Peak Hour 9 11 +Neektlay Daily _ 49 41 G 8 The tTE trip generation estirnates [ndlcate that this 7,400 s.f. Office Building will generate a fct.1 of 82 daily trips, resulting ip 12 Aft peak hour and 91 PIM peak hour tripe. Page t i amift .. .. liF De sign Co IP sui I tant ;w laic„, 1 B Manor Parkway . Saale,m,NH 0307 -I`EL i 0 l 893-07 - FAX(603) 93- 733 January 6,20 Ms. Heidi Griffirl Nerilt Andover Planning Board 7 Charles Street North Andover,Massachusetts 0,11845 lac: l„et 9 Nosth Andover Business,Park. eaarlhwl'r. Claessiaa, Please find enncl.cas ➢an revised sit of plaanns and drainagge calculations 1'` r tine an we referenord project located enl""Willow Street uan North Andover. These plaits have,been revistA based on your commeirls chted December 23,, 1999. Based ante,Ilnose 00nianaennts we offer tile,l"rn Mowing: ZQNING BYLAW 1-3- Couiluent aacicnno wledged'.. 4. A copy of the revised Application liar Site,Plan:lt_cwienw is attached. 3-6- Coniments acknowledged. The detention baasirn!Haas been red ignedimsa ,ll on other continents in this ie%iew, as well.as ruvim fibr the Conservation Collannuissirann mirieuw,. The additional gradinghas been pm%ided for claarificatiori. 8-22. Conrinents a ac➢annannwledgcd; Drazina M Comment Ratner thane address thecornments individually fior this secUona,„l will dekr to the responses ativabttitq.ed by this office$°inn°tine C nnsenraattnan taamm,ntnissiena rewicn,w u,a^]nicln address(lie issues raised in tia,s se-dionn Ibr tine '1^alort➢n Andover Plante ntrimag Board review. See ernrresWndcnce dMed 1/6100 to FR_iclnelle Martin �Itli�i �m,nl et�nn�n�ents The cv yscd area of the foundation away➢➢adjacent to tine detention b sian has been rednaced based on the ren ni n aas alescribedl una�lne tnl awe relcreanced nrres cnan➢entice a3und s s➢nannwnn Hann tlue raised In➢arras. Ot is o ur nnaucCerstanndinug this issue of the imposed li'rnantndmio n ran„anll and it's use:as part of the detention Wsinn I'erns been n w.ie+wwed with tine Building Department,by the Owner and was riot ail issue. i U I MA14F IlesiginCofisultaims, Vies.. I hope ive lunge adduessed this conccm5,outlined in your leper and shouuld o u have a-gY questions,please call me at your cotivenietice. Sincerely y .us M14F 'NCO, NC PPdnd l "'e r Sle ,e Webster,Duuttonu mid Garfield Iodine ,oluuu Cluessinu,Co.leu &CoL ullcunio,Duue, North Auudover Conservation 1 ouuuuuiis iu;u-u I ll Design ns,iuli 1p'tl, ,,, Inic. 12-IB iariwr Parkway,- @Iewn, NH 11'079 - TEL (603),Ella -0720 FAX p 0 l 893-U733 Ms, l4e, " Griffl.tn North n7it w er Plannnnni:ung Bmi rd 7 f,„lnanrles trcct North Andover,Mnsmcinnnsctls 01845 Re Lov9 North Andover Business lark fwtl-t17 Y 687A)'ii Dear leis.GriPlAw Please,finid e'nlcl n l an revs A,,set cif pJanns and drainnagp callculaNtionns,for thin above r4z(cmncpd project located.waf' illol wp Street in North Andover, These pnh anus have been revised based on ccnnnnnnncnnts data d Jamimyl Irft f"r Bran nriw o°'a nerd l unntclni p- 'base.one those cumraeliksiveoffer kite fcplmvinn : ZONINCBYLA i- . Ccnnnrnnn~nt ancknrraw ic4cA 7_ The ser 4nnennl trap Wovation han been nnnodifi d on flue plan anrtd debil,. - :. Connnnnnennts ancinn owwled1god. Dn'ahn ge.Connnmignts rcq=skxJ,.Um 100-f fiwnwrd elewrantiwrun bas.bocn..calculated for the wwatcrs dLkze .tlne c Liug .12"' s 14" lux culvert aril Willow Street, 1110 calcu;lallirinns(inncludEd inereinn)anssnannne an li�mnlwatcr depth c anal to,the 11ci d_cl zntioa across Wil1 wy IrOC (23634),.Asshown in dw male ion:ns*the,.pea elevall In r rwtllc 1001- ryear;stcurnnn would be ;5.1 This clevationn is a rtuna ly lower t➢nannn tlnant showrn fcrr the rest Ot llme.flood p lama, "Tlnirs,oaukLbe cannnsedby 1:1',le-lact tlim the lvak rates on the two skies,of the street occur at dilTerem Barnes, Thus the 236.74 rennn<uanns tine most co nse allivo estimate of flooding elevation. 4'nnmnnnent'5: It i tit desJviees ijaiderstmidhtg ti nt The TSSrenivvall rotes,shown in tine SYorinnwn$rart r '" pw HOndbon,k p, t-?),arc shown individually for the various d1raktage sysacnnn carnnnp nrncnnts-Therefore, the 1/0 rnuto as a p]ied to tine sedimo nt forcbay, wlrinile,the 70%rate is,applied,to tkdctcnntioln lypsinn, There is ilc inndicaptio n inn tpn Hatlrre ik,]Qook diet arty of die,rates shavint,awr f°or cr nibirl sysionts, l7urthenrni rc, if we wwlere to include the 111%str l swwe pinng=,,,&ive would have an addod mcpsnpre,c.l'safety. 'Thus the deli n provides ilioxe kart ipnw^ n hair "l:'SS rennnowat MHF Design Consultants, Inc, 'unmeant 6t As..reqwsted thesediment f'breltauy wwgeir.elevation is sl e9tfralw un itlne;plauun.detarlls,ITan,nd Ilia fica, lnt rcwlscu" „ annrrne rnt 8, TIw details Ime,l ennLre'ised_trw a g.ce with,olhur slur ,s. Comment 1 th AlIho a to tune;deslgnn ;r,woudd agxfe Wat,niatchuig pipe crowns is the best desi u..pra tin tru.this Case- because of 1he ekvatio ns of theexisting pipe in relation to our proposed W- sin cutlet -it is hupussi to t nnnartc lu the.croww m of the inlet pipes_ It is our belli.ef,tL t this,s lnunntion slunrnaild-nnut advurscly as 1p;lut Ili! funct urnnu unf the drainage. New Cuu.umnmuvalufs The otnt:let clevation has inn lnownu on the Plans anddclalls lt;slnordcl-be.mted-luuut_this tuencILls not an inntoltralion Ircnncln aund has boon conust:n cted to intercept runoff from the proposed snow storage areas shown ruuu tlue proMrty ThLLswas,done,in response,to conceirmhDointhe sunom, storage areas u iolflomr directly into the 25 Burnt no distwnrla zone. As an result this dcfatil ww°ans aualded,10 Lunt rcept rurunnrft"f'rourn tlue snuow storA e.areas aud-pipe it to the,stornnvater delentimlaxn 0 wt uulrs luAn.ve Neun nunstarlled on the roof drain line. I elueveme.ln e addressed the co nunnnernts cuntlinuedi in tlue,cnrr'respcnurfeunee from,Crnler arnd_. 'ok nitwri9e aunnd sln uuId you have any nfauom ion s, fttease call tnnc at you cnnunvennlenucc- nure"T.0y y^enurs lad➢ F IDFf SIGN CON"'JL ', NTSI , IN(% Mau& „Gross,RE pry oci pawl e., Mr. ,Steve Webster,D uttouLanuud'-earfu,eld Mr. Jn_ulunu cliessia Colef&C lauuuteunio,Iiue., Norlh Andover C .useu antienr cortunissiori DaLa for 68798 ; DUTTON - WILLOW ST. : 100-YEAR POST REV2 TYPE III 24-HOUR RAINFALL= 6.50 IN Prepared by MHF DRSIGU CONSULTANTS, INC. 21 Jan 00 J4ydrnC'AD 5 -11 000798 (c) 19 E..19 9 9 =31 '"d Mi c rci convuter gy st SUBCATCHMENT 101 OVERALL FLOWS TO CULVERT 0 WILLOW PEAK= i02 .7 CFS 4�r 14 ,96 I3R r VOLEFME= 38 .25 AF ACRES CN S CS TR-2 0 METHOD 154 .00 ?4 WOODS & DEVELOPED COMPOSITE TYPH III 24-HOUR RAINS ALL= 6 . 50 Z SPAN= 1.0 -20 NRS, dL=.1 URS McLh d Tc 1CLi Tit-55 SHEET FLOW Segment ID: 26 .5 Woods ; LighL underbrush n= ,4 L-2`1" ' IJ2=3 i,ri s=.Oi G8 SHALLOW CONCENTRATEDf1UPLAND FLOW Segment ID: 141 .4 Iqn�idland v:::S i1=1200' S=,0GOB ' , V=.14 fps CHANNEL FLOW Segment ID; S8 ..3 C3{]6 rf ' n= .035 V=1 fp L=3500 ' Capaci.t. =19 cf; Tn�-al Le-ngth:- 4725 ft Tcstal TC= 226 ,2 UBCATCHMENT i l RLINOFF OVERALL FLOWS .I0 C;IJ€...VERT e WILLOW 10400 nHE€�.. 154 SAC; \ 9C3 Ir.= 22G-2 MIN 80 CN- 4 r. 70 CS TR-20 METHOD PE 111 14-�O[JR cd. 60 R 7 RI.I..- 5.50 IN v 50 . :BEAK io 7 CFS n - 3 iJ7LUh#E= 213 1fl TIME (hns.n=,) Dare ror 68798, DUTTON - WILLOW ST. : 100-YEAR POST eEV2 TYPE III 24-HOUR RAINFALL_ 6 .50 IN Prepared by mm OEsT.ee lq wr K3e, INC. 21 Jazi 90 -Hydro('-AD s Oa . .00079a . (cl . Igs6-1999 &QV11@6 Mi crocamputeL 3 Erma EUa 'HMe&± 101 RUNOFF 25A 102 .7 CF gD 1-4 ,� U S U2 0A0 -10 .20 .Jo .40 &0 Ao .70 10, 00 .4 .5 .7 A .g 1. 1 1 .2 1,4 1, 6 1. 9 11- 00 2 . 1 2 .4 7 .7 3.1 a .di a .a 4 .3 &.7 5 .3 5.9 12 . 00 6 .5 7 ,5 2 ,9 10,2 12 ,1 1.4 .1 16 .6 19.3 22,4 26 , 1 Ia , 00 29.8 34 .2 38A 41.a 19 .3 54 .8 GO.a G5.7 91.1 Vs . 1 14 , 00 81 .0 85.3 89 .2 92 .7 95 . 3 917E 95.7 101A 102 .5 1.0k, 6 15 . D0 102 .E 102 ,3 101 .8 I01_1 99 .6 9e .2 96 .3 94 , 3 92.1 89 A 16 .00 86 .6 63 .9 81 .1 99 .4 7b .7 73 . 1 7D.5 68 . 1 65A 63.1 17 ,00 GI -G 55.G 57.e 55, 9 54 .2 52 .5 50.8 49. 3 47.7 46 .2 18 .00 14 .8 &a .& 42 , 1 ao_N l9 .5, 38 3 37 .1 36 , G 35, 0 3a . 9 15,00 32 .9 31.9 11 .0 10. 1 29 .2 2B .3 27 .5 26 .2 26 .1 25A 2U A 0 24 .R Data fur 68798: DUTTON - WILLOW STD -. 100-3 ;A'R POST 95V2 TYP9 XTI 24-HOUR RAINFALLS 6.50 IN Prepared by MBF DESIGN CONSULTANTS, INC. 21 Jan OC, J98 €C. $ 999 Ap�i. d c K ; Systems rom 101 100-YEAR FLOODING 0 WILLOW ST. CULVERT hl - 102 ,7 CFS �q 14 .`J5 HRq, VOLUME= 38 .25 AF {bout= 4 .` b CFS G 20 .00 HIZ , VOT-UMR= 1 .64 AF, ATTRN= I,AG= 302 .3 MIN ELEVATION ARRA INC.STOR CUM.S'DOR STOR-IND METHOD (FE) {AC) (AF) _ -(AE) PEAK STORAGE = 36 . 52 AF 233 .5 .01 0 ,00 0 -00 PEAK EL13VNTT(1N= 27�5 -3 FT 238 -0 41 .32 92, 99 92 .99 FLOOD EI,RVATIONLL 238 .E 1'1` STAR': ELEtiVATION= 233 .5 PT FAiI 10-20 HRB, dr-= .1 RRS Tdet= 321 ..3 'kAIN (1 -64 AF) _j_RQML�, N.rr.. -. ..... .Q[�.'TI �T 3]EVICES 1 P 233 ,5 ' 1.17' x 1' CULVERT n=_ ,013 L==B 4 ' S= .0024 ' J' Xe=.5 Cc= .9 Cd=-6 TW=3 .2' 2 p 237 .2 ' 44 SHARFYC'`1RE,STRD RECTANGULAR WEIR Q=C T. H"1 ,5 C-.:3 .27-r .-1 Hf. 5 L=Length-2 ( .1 H) QNV _IQ1.�'OTAL DISCHARGE (CIS) vs ELEVATION FEET 0. 0 1 2 _ 3 4 5 .6 7 �$ 233 .5 O ,Of) .08 -24� h5 .69 . 96 1 .25 1 ,56 1 .89 2 .24 234-5 2 .60 2 -99 3 , 39 3.80 3 ,73 4 , 03 4 .31 4 -59 1 ,83 5.06 235 .5 5 .29 Ta .51 5 .72' 5, 92 6 -11 5 -3G 6 ,49 6 .67 6 ,84 7-01 236.5 7 ,18 7 ,34 7-50 7 .55 V .88 7, 95 8 .10 8 -2 4 8 .80 9.74 237 -5 10 -93 12 -35 13 . 99 1,5.82 17 ,84 20, 06 POND 101 U I CHARGE 18 -YEAR FLOODING @ WILLOW 5T , CULVERT 238,8 4 BHA STEM -RECTANG L.AR iJEIR �. 237,0 - - - - - - `} 236.5 23O.0 n ` 235.5 7 233.E 234,0 ! 33.5 --I1 , I f; x €A.......€.1 UERT [v ril r kn as m cu � Ln 0 DI9CHARGE (ifs) Data for 68798: DUTTON - WILLOW ST. ; 100-YEAR POST RIV2 TYPE XXI 24-HOUR RAINFALL. 6 .50 IN Prepared by M4F DRSIGN CONSULTANTS, INC. 21 Jan 00 000799 {c.} 1 118 6-19 149 Applied M! r[G,s?IA Le,,-_x yzL2ms 1 O -YFAH H .E)00I NG ( WILLOW ST . CULVERT 100 STDR-IND METHOD 90 FAK Sl'OR= 36.bf' FrF 8 AK FL-FU= 235.3 FT 70 U`sn= 4G2.7 CFa {+ d] 60 Oaut �1 ,75 CF3 U .. G:.: .-W. 3 MIN 5F Ca 4€4 LL 30 _ 2e 1 cv rn if3 ~ In r- a] 0 TIME (hour�) PQN,p 1.O 11 mINFLOW FEAT{::, 102 -7 fiF5 0 14 , WURS HOUR 000 10 20..........,.3.0.. .40. ........._., 50 .60 1D ,0(3 I 4 5 7 .8 _9 1 ,1 1 ,2 1 .4 1 .6 1 , 9 IIAO I 2 -1 2 .4 2 .7 3 .1 3 .4 3 .8 4 .3 /1 7 5 .3 5- 9 3.2 .00 .6 .5 7 5 8 .7 10 . 17, .1 14. .1 lis .6 19 .3 22 -4 26. 1 13 .00 29 .8 34 ,2 38 .9 43 .8 49.3 54 .8 60,3 65 -7 '71 .1 76 .1 14 -OG 81.0 85,3 a9 -2 92 .7 95A 97 .8 99,7 101 .3 102 .5 102-6 15 .00 102 .E 102-3 101 .8 10-. .f 99,4s 98 .2 96 . 3 94 .3 92, 1 85 A 1.6 .00 86 .6 93 .9 81-1 78 .4 75, 7 73.3 70,5 68 .1 65 .8 63 ,7 17 -00 61 ,6 59 .45, 57 -8 55 .9 54 .2 52 .5 50.8 49 .3 47 .7 46 .2 18 .00 44 .8 41A L12 .1 40 .8 39, 5 38 .3 37.1 36 .0 35.0 33 . 9 19 .00 32 .9 31, 9 31 .0 30 ,1 29,2 28.3 27 .5 26 .8 26 .1 25.3 POND 101 TOTAL 0Q'1'j?LQW, PEAK= 4 .75 LFS Q 20.OU HOUR HOUR Q.14d .10 .2Cr _2e -40 -50 .60 -79 1D- 00 Q-00 0.00 0 -00 0A0 0. 00 0A0 4-OD 0 .00 0, 00 0-00 11. 00 0A0 0, 00 Al .01 . 01 Al .01 , 01 _4S .01 1.2 . 00 .02 . 02 .02 , 02 -03 , 03 .04 04 .05 .06 13 .i10 _07 -08 .10 . 12 .15 . 19 .22 .27 ,33 .39 3.4 . 00 .45 .53 ,451. ,70 ,80 , 90 1-01 1 , 13 1,25 1 .37 15 .00 1 ,50 1 .63 1-76 1,89 2 .03 2 -17 2 -30 2 ,44 2 .57 2, 70 16A-0 2.83 2 .96 3 .09 3 .2.1 3 ,33 3 .44 3 ,S5 3 .66 3 .77 3 .99 17.00 3 ,77 3 ,76 3 ,74 3 -75 3_91 3 -97 3 , 93 3 -98 4 .04 4 .D8 19-00 4 -13 4.18 4 ,22 4 . 6 �1. 30 4 .34 4 -37 4 .141 4 ,44 4 ,47 19, 00 4 .50 4 , 53 4 .56 4, 59 4,61 4; 64 4 .66 4 ,68 4 .170 4 ,73 MHF Design Consultants, Inc. 12,,N3 Manor Mark ay - Salem, N'H 03079 w TEL (6,03)80- 7 0. F �603) 393- 733 Jauauuuaary 28,2000 Ms- Rochelle Maurtiin Nortlu Andover Conservation Coararruissituau 7 Claaurles Sfteet 1" rratlu Andover, Massachusetts 01845 e: Lot 9 Nerth Andover I(uu austrial 'Park, Notice of Intent Application MHF 0 68798 rk our Roe hell 0': s x)ke witlu Jrtluru ClIcssla tub Coler and Colontortio today regarding flue"LASS rem ova I issue for Hale above reforenced proieet, HasW on our Iscuussion., we have revised otir at raumater Ma ring meuu:t.TIS vraleuulaatims to include as pirticle separator(or "Water Quality Inlet" in the Handbook), to be Placed betivLeuu the catch basin and the sediment foreba (revised plan to rollruw). "nie revised "1')es,l, ,ui�Rate"for TSS re.uuu>ravaal„Mr,tlue Shirmnverterr Molky Hand hook is call as,fbillows,: 1.00 x 0.25=0.2 5 (catch basin) tO..75 x 0.25 10,.l It(water qualit ,inlet) e 5 -0-1111-0-56 0.56 x It.0039((or(,hay/ etr Nrtiuuau b uslrr) 1,00 .01,17—OlM (ht?"'%Removal Pmt ) Tho PI iruuratuum size or the pinticle separator is to be 0.1" bones tlaa,ianjyy,m.ouas aareat R.I" s 13,0 sS = 1.109 e.f( 07"gar) Propose 1,,000 Sul.. We trug the ' ()%l'l Removal Rate rerlua.ir^ement is satisfied by Ilse s, steall as rc%iserl.: Shotild you have any qarestions" Please call rule:at your convenienee- Cwmraeorel loars HF m"t J'ell, , C. r1k S. morass,, , '„ lIriln ipail Cc: Mr, Steve Webster, Duuttorp and Caarfiel,al Mr,. 7ruluuu ""kaessi,a, Coler°&colairtonio'hic. North Andover'Planning Department t?C-,'mk NEE S 4 PLANNERS SURVEYORS Dutton & GarfiOld, Inc. /0 Ragship,OfivP - Noolh Andover� MA 01845 TK 07M 681-8600 Fay (978)681-7670 W9 Hdfsida A venuP - Landanderry,N,H 03,053 TL 425-2600 ('603) 434-95,68 CEII'Vt 'JIC October 15, 1999, TOWN OF NORTH ANDOVER Planning Board 27 Charles street North Andover, massachusetts, 01845 At'tn- Mr, Mark Gross, RE. Re: North Andover, BuSiniess Park, Lot #9,, willow Street Assessors Map, 98D-Lot 52, N�oirth Andover, MassachuSetts To Whom it Mav Concern. Nease allow this letter Of aUthorliation to,certifV that NIHIF Design consultants is authorized to represent D0,9jeg Realty TRISt and Dutton & Carfleld, linc- concerning matters, relative to site plan issues regarding the SUbject, property- Please, feel free to contact us at your convenience if you have any questions regarding this proicct. Very truly yours, Steven R. Webster President CC: Robert F. Webster Jan.e L Armstrong .......... <:OUTLER BUILDER ............................................... ........ ................