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82 BAY VIEW AVE - BPA-15-1026 SOLAR os rn YLU The Commonwealth of Massachusetts INSPECf 0Nt L SEely s Board of Building Regulations and Standards Massachusetts State Building Code,780 CMR SALEM IOiS SEP 23 Z1:yisl�nQaKzoll Building Permit Application To Construct,Repair,Renovate Or Demolish a 4 ZS One-or Two-Family Dwelling This Section For Official Use Only Building Permit Number: Date A lied: 1 Building Official(Print Name) Signature Date '^ SECTION 1: SITE INFORMATION 1.1 Property Address: 1.2 Assessors Map&Parcel Numbers t 82 Bay View Ave - 1.1 a Is this an accepted street?yes no_ Map Number Parcel Number 1.3 Zoning Information: 1.4 Property Dimensions: Zoning District Proposed Use Lot Area(sq ft) Frontage(ft) 1.5 Building Setbacks(ft) Front Yard Side Yards Rear Yard Required Provided Required Provided Required Provided 1.6 Water Supply: (M.G.L c.40,§54) 1.7 Flood Zone Information: 1.8 Sewage Disposal System: Public❑ Private❑ Zone: _ Outside Flood Zone? Municipal ❑ On site disposal system ❑ Check if yes❑ SECTION 2: PROPERTY OWNERSHIP` 2.1 Owner`of Record: Nicole Lang Salem, MA 01970 Name(Print) City,State,ZIP 82 Bay View Ave (857)523-8216 No.and Street Telephone Email Address SECTION 3:DESCRIPTION OF PROPOSED WORK'(check all that apply) New Construction❑ Existing Building❑ Owner-Occupied ❑ Repairs(s) ❑ I Alteration(s) ❑ 1 Addition ❑ Demolition ❑ Accessory Bldg. ❑ Number of Units Other S(Specify: Solar Brief Description of Proposed Work 2: Install 4.68kw solar panels on roof.Will not exceed roof panel,but will add 6" to roof height 18 panels total SECTION 4: ESTIMATED CONSTRUCTION COSTS Item Estimated Costs: Official Use Only (Labor and Materials 1.Building $ 1,050.00 1. Building Permit Fee: $ Indicate how fee is determined: ❑Standard City/Town Application Fee 2.Electrical $ 13,950.00 ❑Total Project Costa(Item 6)x multiplier x 3.Plumbing $ 2. Other Fees: $ 4.Mechanical (LIVAC) $ List: 5.Mechanical (Fire $ Suppression) Total All Fees: $ Check No. Check Amount Cash Amount: 6. Total Project Cost: $ 15,000.00 ❑Paid in Full ❑Outstanding Balance Due: SECTION 5: CONSTRUCTION SERVICES 5.1 Construction Supervisor License(CSL) 103631 8l30/17 Gregg LaCasse License Number Expiration Date Name of CSL Holder List CSL Type(see below) U 20 Patterson Brook Rd.Unit 10 No.and Street Type Description U Unrestricted(Buildings up to 35,000 cu.ft.) W.Wareham, MA 02576 R Restricted 18.,2 Family Dwelling 6ty/Town,State,ZIP M Masonry RC Roofing Covering WS Window and Siding SF Solid Fuel Burning Appliances (508)291-0007 1 Insulation Telephone Email address D Demolition 5.2 Registered Home Improvement Contractor(HIC) 170355 10/12/15 Tom Blumetti/Trinity Solar HIC Registration Number Expiration Date HIC Company Name or HIC Registrant Name 20 Patterson Brook Rd. Unit 10 No.and Street Email address W.Wareham, MA 02576 (508)291-0007 City/Town,State,ZIP Telephone SECTION 6:WORKERS'COMPENSATION INSURANCE AFFIDAVIT(M.G.L.c. 152. § 25C(6)) Workers Compensation Insurance affidavit must be completed and submitted with this application. Failure to provide _. this affidavit will result in the denial of the Issuance of the building permit. .Signed Affidavit Attached? Yes ..........1f No...........❑ SECTION 7a: OWNER AUTHORIZATION TO BE COMPLETED WHEN OWNER'S AGENT OR CONTRACTOR APPLIES FOR BUILDING PERMIT _ I,as Owner of the subject property,hereby authorize Tom Blumetti to act on my behalf,in all matters relative to work authorized by this building permit application. Please see attached letter. 9/21115 Print Owner's Name(Electronic Signature) Date SECTION 7b: OWNER' OR AUTHORIZED AGENT DECLARATION By,entering my name below,I hereby attest under the pains and penalties of perjury that all of the information contained in this application is true and accurate to the best of my knowledge and understanding. Tom Blumetti ' kM- 9/21/15 Print Owner's or Authorized Agent's Name(Electronic Signature) Date NOTES: I. An Owner who obtains a building permit to do his/her own work,or an owner who hires an unregistered contractor (not registered in the Home Improvement Contractor(HIC)Program),will not have access to the arbitration program or guaranty fund under M.G.L.c. 142A. Other important information on the HIC Program can be found at tnvw.mass. oe v/oca Information on the Construction Supervisor License can be found at wwnacmass.gov/dps 2. When substantial work is planned,provide the information below: Total floor area(sq. ft.) (including garage,finished basement/attics,decks or porch) Gross living area(sq.ft.) Habitable room count Number of fireplaces Number of bedrooms Number of bathrooms Number of half/baths Type of heating system Number of decks/porches Type of cooling system Enclosed Open 3. "Total Project Square Footage"may be substituted for"Total Project Cost" Optimize Engineering Co., LLC P.O. Box 264•Farmville•VA 23901 Ph: 434.574.6138.E-mail: grichardpe@aol.com Richard B. Gordon, P.E. President August 25, 2015 Salem Building Department Salem, MA Re: Solar Panels Roof Structural Framing Support To Whom It May Concern: I hereby certify that I am a Licensed Professional Engineer in the State of Massachusetts. Please note the following conclusions regarding framing structure, roof loading,and proposed site location of installation: 1. Existing roof framing: Conventional framing is 2x4 at 24" o.c.with 9'span (horizontal rafter projection). This existing structure is definitely capable to support all of the loads that are indicated below for this photovoltaic project after sister rafters with(2)2x4 or(1)2x6 using (2)10d nails V o.c. Use of(2)Guard DogT FMGDO02 screws is approved,or equal shear strength of approx. 120 lb, V o.c.at areas where little space is available only with remainder of member secured with(2)10d nails V o.c. If do not sister,then install a 2x4 @ 24"o.c. knee wall over an interior bearing wall to limit span of rafters between supports to 5'-9". 2. Roof Loading • 4.33 psf dead load (modules plus all mounting hardware) • 27 psf snow live load(45 psf ground snow live load reference) • 4.5 psf dead load roof materials • Exposure Category B, 115 mph wind uplift live load of 19.6 psf(wind resistance) 3. Address of proposed installation: Residence of Nicole Lang,82 Bavview, Salem, Massachusetts This installation design will be in general conformance to the manufacturer's specifications,and is in compliance with all applicable laws, codes,and ordinances,and specifically, International Residential Code/ IRC 2009,2011 NEC,and 2012 ICC Energy Code. The spacing and fastening of the Unirac mounting brackets is to have a maximum of 64"o.c.span along the rail between mounting brackets and secured using 5116"x 3%" length corrosive resistant steel lag bolts. In order to evenly distribute the load across the roof rafters,there shall be a minimum of 2 mounting brackets per rafter&min. 2" penetration of lag bolt per bracket,which is adequate to resist all 115 mph wind live loads including wind shear. The mounting brackets shall alternate between adjacent rafters between rail rows for better distribution of roof load. Penetration of anchors for modules mounted within 18"of ridge and edges of roof is to be a minimum of 3". Rails may be attached to either of two mounting holes in the L-feet. Mounting in the lower hole for a low profile, more aesthetically pleasing installation or mount in the upper hole for a higher profile to maximize airflow under the modules to cool them more.Slide the 3,8-inch mounting bolts into the footing bolt slots. The rails will be attached to the footings with the flange nuts. Very truly yours, Optimize Engineering Co., LLC har Massachusetts hsetts P.E.L License No.49993 jH of MAs st°ti MECHANICAL ENGINEERING o2 CIVIL ENGINEERING Z .'CHARD B. NA ELECTRICAL ENGINEERING o GORDON p MECHANICAL w P.O.49993 ��IONAI INSTALLATION OF NEW ROOF MOUNTED BAY VIEW AVE• �R 4.68kW PV SYSTEM 82 BAY VIEW AVE E SALEM, MA 01970 Iss+M,RBVLSIOas VICINITY MAP XD. A, FCRIPnnry K scrae NTs SITE PaiBLL raIE:DE Ar. TANG.NICOLE iPIXIttP(R ]OI S61ld) PrOCq AEtlbBa'. 93 BAVVIEW AVE ' SALEM.MA 019I0 BENELuwMc: OENExAY STIFacaNnNNFS REFUSAL ROFTMEo ueRSOBATIONBwNUBJED SHEET INDEX DE IB FXcnax Bo* PV-1 COVER SHEET W/SITE INFO&NOTES orawm rnl0: E INs..wmSE coN+a.orouu e. HOU HE HER.>urEuls •+ aAcOwmysMEHlSlTRGumnr W.I.00ewua MILL �-OBRO:NI ASTAIr RISE mseLL,NDALL AEMNE RT ELFIRS.- A sAc HOURHS, ` aOLMILTAMPEBE PBOPO8E04.684W OLLOWINONS IRMINALSOF WEINFRTrvDMEDc IS SET Of MUSTEDREFE EEll „Ns "�I THOWHT PV-2 ROOF PLAN W/MODULE LOCATIONS ORmECnpN IN THELEASInpls xHTHGFmElmrtERSO Dllamo +s 1X -of ERW RUT bEEn NnowarinoHE 5oLA85vSfEM maNED,„T„EDRA•WrvGPACxgGEAXO XA,lp Dry I„EPPNED F.RTHEP.RPDBEN PV3 ELECTRICAL DIAGRAM L UPS INFORMATION REaaeD FROM.a,M.v. rvc.rv.a,xv«v . ME PU AXB AGExrRELAEW AND E INVUL,-NN�;ONTRAUNOP.I6 ovOLTACSMBT�EMtaEWAANEO Vu WUssEi OF"NEINHALL C+B u+EL omwn InrD+mallon FT m,+45µuXGµL HE E04A LF9PPE WFUSED PAR FLA�iRVCnOx M�W VIMLV r 9pcm15 ttLOmNOALL BURIN TO NENF'FAINEV qaE DSEDFORXXLRSAUEDOTO woIGrE. BMRrP ur IAL CONIAIXEP A.NIN CONS- x' &HiL IALTHO P.THE Nl TINIHEIIABLETENON .11. a »+o?S ou..SM�E.WAL BE AR IS cERTI ALAPwOO souse Fore l UP nE E'r orwLELEcra,w LooE REFFILLAPTLE FORARM.AM - ANUIEL SIAN"w ARORMXLE MIFF WHATEUCno„ACEIVITEN, IF': wrnNCr uLGRWwOR, Fo raTroxnLETLECnaC COOEPFinaE HEIPUT sMm lnrormaeon, LATERPH wn NFI I MOLL-A WATATI ON +b. PPRIR TOILE INSTALUTMMI OF WILL IT eAiWRfMF PROTECTION •MLw DREQ IrDTOH•.VE PHOfwoLlAC BBIEM,THE ury +E OFF NSTALIATON CONTRACTOR SHNALL �;yTABROX M EIEEPRIORio TTENOOAREARNE-msmiLEaN MBENrvc uEMMmraiXaEm N%eA oR AS S«sorcu sBGwuO FOR a E,O n amwnOx wP FLAME CNLOMOE CONDUIT anon H."'v. o]sI i` PROCEBLE, scxeeu+E s,6FFEivnxD ABUVE MnIGneu FLwa vev M` sle MOaLEB ARE cOORD,NgnON ADOVB Pwn,xEDxwIE xniV E LwnOry P wRromesrsTEm sTnM UPTNE AX:E L READ GALVANEW STEEL n �1D EPncir.`.. r Di1 IN.CF INSTALLAMHERFOOXTRA6iORSW1L gMERP:AX 1LEN IN FN ERM:InRUSEIN INVEgMM O FMXOII v,FEIFFILL IENM OF Bx nouOEONES LnPE:RL uNWP INELFEEHUUNVIHOIUBLLITIOELA MEISTW,FIBREIAM."A" pAFEW EP� YWBU;',WMLNSOgPO ;f LEA LAILINBTALLATION nnNPVOTTALY FIBRE AM CC xmzMV bPEUMEUI TOP LON W EPRITr CHEPG SIT CLMb.NEX BOA L HIFERS(TWEARTMERADiOWEO 1,HURT rv'nbRETMaw.N iCf uINO THE + BR WE mOPEa MA`7A M,E AND REP ql IS UFHX�LILIES THAT ] 'BDEIrax LF THE INSERTS REFER ro cl co xEN+NEw,FORXEX 1FATHERPRROOH Rev.No. SIFxt N MUM OF". AOL 0 OOLOURE9 NWE CV •11 MtUMRNCRTS TO BOTTOM PERFTEN NETHER AM THAT OPt ro NXXL D O c CURFE T F ABOVE EMBLISD FLOOR OR PAL HE ON CREW + IXf ORUEED ELEf•wV DDc PFRO c mX[N MR E D :b DIx TAOA.. U RTO REAL LOFESMEALSIP,WA TO O T G P1 PV - 1 TSTEMSTO PR MLl COMOAXEB AND t cT uMaNnjB XtOEH BEILETNLEU FIALMxNO THE ONNERS. FS Fu`FUNI II N Vm ENTUNROEWSPLATIONALELABOWC + MATERMHP WOEKMANAHIFMD FU µoE` ,.roEwncNMAY FLONETRUCTiox FOR THE SITE oNO (OwOWS a:bE rINT1E UEC sxtuflNERu. MNOVEMENTA SKIERS HEREIN SHALL FAULT TNT SPINNER LsysT ISTARIEMB TO BE IBE IN ACCCIwxCE ART.: IFR EaENCV(CYCLES PER iMISSYeTEMARET BE A SRBENNPREVAIMrvO MUNICIPAL Be.. B NEMOAPPROPRIATIONS J IX C+aOOCa LATE.MALUEBWLO]OaS. STANMRDSAND RELUIRE )Vi(1R ,F ISSUED FLAB A..1.,SPURRED WITH A REVISION CHARACTER OMER THAN W.PLEASE BE PROBES THAT FINAL E.ufiMFNl4NprOX AYATEFI FNPWWTEFE—P,wE'xFLEEi TO CHANGE DUE TO F4NIMELm OF EQUIPMENT. x<LL Nn.krsr¢:TV �nI.AAF�em Rs NEW w BaM NOWLE."CA, U.IHR.culw c"xq L.N.I. `eEENTp EpLI E RMNTECIEEAe PFa.T6—AW pR EPEcs NEPwATmnEa NEW rINO FOOT ATTACHIENI ACLAR MGUE1LE SFR-PROSETE WNLs,ttPICLL (PEFEPrO __ _ _ EUGIUEEVMG Le11EV 10xevnflxf _ �X0psu11R �xlrup sPpuRu NMr aEnu Ew VrvMnc P4UYPEwL u£ UNIPR:'L-11 ELn Frlar ♦ Q \ \; /!/ IPEIEPIp TXE VMPAL aEva sxeLTNN.NETNUT ONEIAVEPA�PHALT�XIULEB V CCOONE{pMEwxl IN Lunun SUNMU UFUSMPl3 LE uFaP! rEelw \ - wTFwxPECR wopETAnN P �NAPoc SEALANT AExnaP.mmlcu Fa.EA.♦ TERro THE INlwc M°�u:LQMPVNAT"ilis`iIm EALARM FULFSSHALL NOT DEIA.PSO s EEMSTING PAFTEP ENCEEU FAN HEIOHI. ll lib W.Ar . NEWMIIE Cue.mreL (REFER TO THE LMRAD LOOEmuEwErtwsALuMCA u ADLIDERITH"IC NE ffpTTACHMENTR CUP DETAIL OCFN.l TPV MODULE ATTACHMENTON ASPHALT SHINGLE ROOF THEI6HT FROMGROUND LEVEL TO PEAK OF ROOF �EIxME WY x DLESPECEFq[ QSEALE:xJ1r06Z NEWFI NOr1o5WE ALiwLA1WVLECRIEvsIWS Icsuetl/REVisicn6 cMPTIOry N Pq true � ♦ UNG,NICOLE [ E t r ■® \n�. PINItt ALR ROISfiI«] \ ll�� ^{j [ y PIOICC.AtltlICSs. N4 MAN M-M lE Fri' e G .Fl '12, � 83 BAY VIEW AVE NLEM,MA O19)0 f BACK \ \\ By, FRONT DErvin The �[' ' PROPOSED E.68kW[ # SOUPSYSTEM Dmwm mmEmaron ® Av MNR �sia1RA Ae P uD M DOD,lnlprmeMONI DC IHNAIWTTANNE AIR. IFF u1IWr[Er.EPex D.C.oNNIxT. Allex0 VIIImeO:lq IRTI,)Eg0 MVn MrtEe a, mmE IT NWA ATI 2)NLEOAPMNIT91 LBEINEIAYFOINA000RDIWEWEXTHE ANDT' UPEPSINSTALL.F.NSTRLCTENrs. Rev.NO. Shxl>.I ALL CLEEOCH EW IPMENE awu BE PAIN MONTRI NwwuM NEW aR RATIDL ].I ALL LO TIO w FAE As[AROVIMATE AND REQUIRE FIELD VEx6FpTION. aJ ROOFTOP SOLAR INSTALIATON ONLY PV ARRAY WILL NOT EXTEND BEYOND THE EBISTI NO BUILDING ENVELOPE AMWAY SCHEDULE SYMBOLLEGEND PLUMBING SCHEDULE EONPMENT SCHEDULE IuO.TE6PWP 0ESONpTOx.REFEPTO ALOAMSNEw UTM1Itt OFWJxuELT10 E EWENO CVP ttRICLTEFERI.MNNEVNWAO OTY 1..E —A,ORIENTATE' E ® A..'BCNEOMLE FOR MOPE WFOPMAT. 11D IIx6TPLLEDOUTAIQE O ExEOE+;OMNFNI INsinL VAL TE TRINAIFITFI1NFPoQ5oRI MOOR, qTu xs ::EE'fYTN 326FOP 5iEL5ANp OETALLET INQICAIEENEWPVEULM ADETE RED 70EAOVL El NFNMEEttIR WVI[ALIRFFEk TOTIEVNIPAL SE3EW4L5 MODWRN[H IQ e a IUTEEI.RURE.ETERLNLATRN o w�F EANELE TL.EMNRNI �E ,MF INRIA.TWNNwL _ QUIiMENUMLIELLE FQPaPEt>L- sLTOxaTSFMEPELspNOOETAILg OTHER OBSTRUCTIONS EP INv�IGTES WSTMc[LEc1wuLPp FtiL © E ICtlI NETERrOeE OFFE{P.7.1XE VNIRA.LLOOESAMR L-1 wTTENLwNWLFOR5PECA W)SR�A, O WPEOwGTESIEwuwNOLSLOrvxELT TO BE ® PIOeE NIS R,—CTEupxEEwNOLE I P wall x 2IIMrvmnvA x..atl 1,111,17, rtx wux PpxFL DETAILS rwlrvsspuniV ET9incoIl LIRTSOHOHof Charles P Bonicker Trinity HaODIq 6Ao Inc DBA Ttln0y Sola r MOUNTED 2411 AlI0nw00d Rd.Wall.NJ OTY1P sDNA MDOUMSMpuxifprOXWfpxZMMn UNDER SCIM MODULE 19'RfOW M000Lf5WIX MAXPEBI"IINLro v[R II000u XEC 690.1p 10.)SA ISGNOOi10M0WM01NllRIE5 35o vmv JUNCTCN -- "' 'TERMINATTO INzwEIX,SYTTA I 1 I IcsUed/RG,Sl.NS I I I _ � �CRIPNOxM FOIeH THE,nra R LING,NICOLE A0. CU RAY[LRIT WIRIn4 NOTE iRINItt4CR ZO1S6fUZ COMPLIES WET.raft mm UCI RECEPTACLE I Pry.AddN65: t/$ ,IGA BREAEER 1.)LOMEST EWECTE➢AMBIENT TEMPERATURE BASED ON FASTING YWV IP x CABLE 03 BAV VIEW AVE ASHRAE NINIMVN MEAN EXTREME DRY WI8 130/2MIV A� IEYPFRATUIE FOR ASIRAE LOCAYON MOST SIMILAR TO Ilnlltt , IDOA NMN BFEEA9E NSIALLATON LOCATION. LICKST"RE=AMBIENT MEIQt TWA BVSBAR r[-Fl—.l"= SALEM, A019)D TEMP-- 2)HONESTAAHRAI CCHEST MO AMBIENT TEMPERATURE BASED OrJWin TiIIO: TEMPERATURE AERATE FOR T HRAL GQORY BULB E ICHOC ASM. HI 23 GHEST MOST - b)IX}uunON LWAnM. .IGHEST CDNTNUWs TEW- D .FUMES W/ PROPOSED M.68M s GAWPED n/MNN bA UNTUSED PRODUCTON SOIARSYSTEM 1)]W5 ASIRAE NNOAMFNTALR]S BEGUN BRGW X LOAD CENTER DISCONNECT ETER TEMPERA TIRES 00 NOT EXCEED OT'C N rHE UNITED Eypy yp IN D $TALES IPALM SPFINO$.CA 15 A4AV). FOR LESS THAN �WiN� Dlev.'In Information B WRRENT-WIINYIXG CONDUCAR$IN A ° _—__aF l Mwrxo onTF' /4]olf ROU-MOUNTED SUNLIT CONDUIT AT LEAST O.S AB.W rvxA P�AND USING THE OUTDOOR DM GM TEMPERATURE S . ns[OeY OF ATV ME LESS(ALL.1 UNITED STATES). 0 AA `fix �.r�J 9mr 1.) NOTH rA¢IVKR sY51ENs SXAu BE -- - "J^1 o-1—r (C B a' p AI sVlm fnrorm9Unnr PERIITIm TO OPERATE VA UNGRWxGEp m_ e V e.m..„ .,ae o — 000 0 m I . PHOTOWLTAC SOURCE AT OUTPUT CIIICOT AS PER C___________I nacac 1 ( T—L—F—TEr rs6aLw nec a9P.as L 1 < COHMP NAIN BflEN(Efl LOAD �SOUARE D SWARE O ______J TmMaool UDmUurr m 3.)ALL EQUIPMENT INSTALLED WTDOORS$HALL HAYS _L_ CENTER MSVIED LINE TM5 PN: D1'f'[N PN: DY]TRB �------__J ".NA Yus[O'. N.Mll A XEMA9 RATING. INSTALLED ECN MAIN fIS➢ERS mOOULE.SVE[e: eW A 690A0 VIIUry OMvexY, 2LIO E GALCUFATIOMS FOR CURRENT GARRVING I.A. CONDUCTORS REWIRED CWWCTDR AMPACIIY PER STRING LIME FUNNMA [NDC690.SHE Ip) (15.WM.2S)I-IB.TSA A.PC.OERAT`2 AMPACnY AnoH: AMBIENT TEMP: 55C.TEMP OERARMG FACTOR .T6 OZS'I IrSMSfovoo5.o01 RACEWAY CERATNC-3 FCC: I.W RCv.NO. SARI (10'36)1.00-AMDA Im 0.z 30.40A L IB.I.A,MDEFWE ME SOL IS MID vm W.S u6TxwIHaF<IalnfTxaaxD Xn Raa P 1 PV - 3 TOTAL AC REQUIRED CONWCTCR AMPAOTY HoWA-125.10.00A LP'vmw/sFForrlwxa.wmrx AMG A0,DERAIED AMPACITY 3/L,GT v:/LFFnmvm;TaFalNwx]cRouNo .1 TOUR: jot.TEMP DERATIM 1.0 RACEWAY MRA.6 ]CCC: N/A I 1AUAC a EMrwlo-Nrvnvm.i wmrrrw 10AM.0- 40A ipA:1n.On4 IHET¢CRE 4C TITRE AZE IS YALU l/e'IAn WIHIPTFNnN.HIn Tx uLWu oX EORwavE WARE oT9rnon Ewr.99wEmoXRmxDx roTN.InHATFR WRRR10.WANTm cwl>eSrxwFE].I. IDERA-125-SGOOA IrrNvmov.l—d --> Ta EOA OWRCURRENT PROTECTOH 15 VALO .rn,.Aysv� Optimize Engineering Co., LLC P.O. Box 264•Farmville•VA 23901 Ph: 434.574.6138•E-mail: grichardpe@aol.com Richard B. Gordon, P.E. President August 25,2015 Salem Building Department Salem,MA Re: Solar Panels Roof Structural Framing Support To Whom It May Concern: 1 hereby certify that I am a Licensed Professional Engineer in the State of Massachusetts. Please note the following conclusions regarding framing structure, roof loading,and proposed site location of installation: 1. Existing roof framing: Conventional framing is 2x4 at 24"o.c.with 9'span(horizontal rafter projection). This existing structure is definitely capable to support all of the loads that are indicated below for this photovoltaic project after sister rafters with (2)2x4 or(1)2x6 using (2)10d nails V o.c. Use of(2)Guard Dog TM FMGDO02 screws is approved, or equal shear strength of approx. 120 lb, V o.c. at areas where little space is available only with remainder of member secured with(2)10d nails V o.c. If do not sister,then install a 2x4 @ 24"o.c. knee wall over an interior bearing wall to limit span of rafters between supports to V-9". 2. Roof Loading • 4.33 psf dead load (modules plus all mounting hardware) • 27 psf snow live load (45 psf ground snow live load reference) • 4.5 psf dead load roof materials • Exposure Category B, 115 mph wind uplift live load of 19.6 psf(wind resistance) 3. Address of proposed installation: Residence of Nicole Lang,82 Bavview,Salem, Massachusetts This installation design will be in general conformance to the manufacturer's specifications, and is in compliance with all applicable laws, codes,and ordinances,and specifically, International Residential Code/ IRC 2009, 2011 NEC, and 2012 ICC Energy Code. The spacing and fastening of the Unirac mounting brackets is to have a maximum of 64"o.c.span along the rail between mounting brackets and secured using 5116"x 31/z' length corrosive resistant steel lag bolts. In order to evenly distribute the load across the roof rafters,there shall be a minimum of 2 mounting brackets per rafter&min.2" penetration of lag bolt per bracket,which is adequate to resist all 115 mph wind live loads including wind shear. The mounting brackets shall alternate between adjacent rafters between rail rows for better distribution of roof load. Penetration of anchors for modules mounted within 18"of ridge and edges of roof is to be a minimum of 3". Rails may be attached to either of two mounting holes in the L-feet. Mounting in the lower hole for a low profile,more aesthetically pleasing installation or mount in the upper hole for a higher profile to maximize airflow under the modules to cool them more. Slide the 3/8-inch mounting bolts into the footing bolt slots. The rails will be attached to the footings with the flange nuts. Very truly yours, Optimize Engineering Co., LLC Richard B, n,-P - Massachusetts P.E. L tense No.49993 ' gP�jH o nf`s MECHANICAL ENGINEERING oz� CIVIL ENGINEERING RICHARD B. m ELECTRICAL ENGINEERING o GORDON m U I`Ef_HANIGAL NO <9993 NAL -1X SNAPNRACK -2X SNAPNRACK LEVELING REVISION: -USE CARE WRING LEVELING SPACER —�SPACER INSTALLATION TO ENSURE THAT THE SET SCREW IS -1X J'-18 X 1"LONG •2X A"-18 X 1°LONG ROUGHLY CENTERED BETWEEN g iSET SCREW SETSCREW THE TWO PIECES BEING JOINED tel 1 STANDARD SERIES 100 ATTACHMENTS FEATURE 3"OF VERTICAL ADJUSTABILITY ON J�y"r�J - .e_., r- ��r��••—I` ALL MOUNTING POINTS WITH THE USE OF 1 LEVELING SPACERS 10.5 8.5 I OS THE FIRST INCH OF i.5 ADJUSTABILITY IS ' ACCOMPLISHED WITH SLIDING DETAIL A FEATURES BUILT INTO BOTH L FOOT AND STANDOFF CLAMP SCALE 5:8 L_ .RAIL HEIGHT 19 S ' COMPONENTS - _.--_ _A_ r— , -._. -. .__1_ :-' t t— , 1. RAIL HEIGHT=7.5" RAIL HEIGHT=8.5" L HEIGHT=10.5" FOR AN ADDITIONAL INCH OF ABOVE ROOF SURFACE ABOVE ROOF SURFACE ABOVE ROOFSURFACE ABOVE ROOF SURFACE HEIGHT ADJUSTMENT,ADD 7"STANDOFF 7"STANDOFF 7"STANDOFF 7"STANDOFF ONE LEVELING SPACER. USE PLUS ONE SPACER R PU1S TW0 SPACERS OF SINGLE LEVELING SPACER ON TOP OF STANDOFF N ON TOP OF STANDOFF NOT TO EXCEED 30%OF ATTACHMENT POINTS ON L-FELT OR SO"STANDOFFS. FOR A SECOND ADDITIONAL `p INCH OF HEIGHT ADJUSTMENT,ADD ANOTHER LEVELING SPACER USE OF d t]? TWO LEVELING SPACERS NOT rYR-�,'"—T- f •'I"" ' �._.. ,i 5� TO EXCEED 10%OF 4A 5.4 ATTACHMENT POINTS ON d1 f 3.4 — L-FEEF OR 10"STANDOFFS. id -�-L __ -- RAIL HEIGHT=3.4" �pRAIL HEIGHT=4.4" y -g RAIL HEIGHT-5.4" RAIL HEIGHT=6.4" ABOVE ROOF SURFACE ABOVE ROOF SURFACE E ABOVE ROOF SURFACE ABOVE ROOF SURFACE ONE L FOOT ONE L FOOT ONE L FOOT ONE L FOOT PLUS ONE SPACER r; PLUS TWO SPACERS UNDER L FOOT UNDER L FOOT NWNSTREAM ENERGY CORP. -ORIGNER' OMGRweles _ �SCAL" DNS 'RMT NUMBER. OESMPTON: REV OR F ER. D RM DATE �0113 S10O D06 - SERIES 100 RAIL LEVELING F A➢PROVED BY: . SNAPNRACK SERIES 100 ON FLASHED L-FEET REVISION. FLASHED L-FEET ARE OPTIMIZED FOR QUICK AND ROBUST INSTALLATION ON STANDARD COMPOSMON SHINGLE ROOF SURFACE - 1 FOR OTHER ROOF TYPES STANDOFFS ARE RECOMMENDED I SNAPNRACK MODULE ATTACHMENT HARDWARE -SNAPNRACK STANDARD RAIL ROOF RAFTER TYP(ROOF ATTACHMENTS SHOULD "jam ALWAYS BE EMBEDDED INTO ROOF RAFTERS OR STRUCTURAL MEMBERS SUCH AS STEEL PURLINS) ROOF SHEATHING,UNDERLAYMENT,- AND ROOFING MATERIAL,TYP. SNAPNRACK FLASHED L-FOOT- 0 2r� ^(��Ip '�a NAIN 'REAM ENERGY CORP 'DESIGNER GMCPIi¢otan SCALP TART NIIMBgt DESORPTION: REV SnaoET lsa - i DRn R DRm .______-- ��. DNS S100 D01 SERIES 100 OVERVIEW.ON FLASHED C p@7(Iy®pp arch= _ ....-. �APPROVED By I 120113 . . r