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HomeMy WebLinkAboutBuilding Permit # 11/3/2016 " - BUILDING PERMIT " 0 TOWN OF NORTH ANDOVER APPLICATION FOR PLAN EXAMINATION Permit N©: Date Received SSACHU Date Issued: - IMPORTANT: Applicant must complete all items on this page /�� lJ n,rI 1, i l �� /i / /- / 1 / ,//ii��7/ i/iiir%����i/iii/i/�///i�/i%/i/i����//�// / / , TYPE OF IMPROVEMENT PROPOSED USE � �� — ---- e ial [-.I New Building r7TOne family [-.I Addition 0 Two or more family D Industrial 7 Alteration, -------N-o. of units: F1 Commercial 4 t) Ay", El Repair, replacement 11 Assessory Bldg El Others: 0 Demolition [I Other NO 77 ���%a/,���i�/iii /�i��� ,,,/����// INSTALL A ROOFTOP SOLAR ARRAY LAGGED INTO THE HOMES ROOF RAFTERS qD Identification Please Type or Print Clearly) OWNER: Name- Elizabeth Christopher Phone: Address: 42 Cochichewick Drive North Andover, MA 01845 ME /� ,iii ,/i, �/i �i/ / i / /i �, /, , ///l/a/z ARCHITECT/ENGINEER Andrew Oesterreicher Phone:916.541.8586 Address: PO Box 413 Carnelian Bay, CA 96140 —Req. No.52174 FEE SCHEDULE:BULDING PERMIT.,$12.00 PER$1000.00 OF THE TOTAL ESTIMATED COST BASED ON$125.00 PER S,F. S Total Project Cost: $ IV 00 0 FEE: $ Check No.: t I Receipt No.: NOTE: Persons contractin with n eregistered contractors tit) not have access to the giialraniy, fend 16"6" --------------------------------------------------------------_------------------------------------------------------------------------------- ---------------------------------- ................ ...................................... T t%ORT#i own of Andover No. Mt?OIA6 (% h ver, Mass, o COCHO me KK ti 0 ^TED 0"P U BOARD OF HEALTH Food/Kitchen PERMIT T LD Septic System THIS CERTIFIES THAT ..........#.$ #4 ..SIV .........._S.9 . ................................ ........ ...... ...... ...... BUILDING INSPECTOR #4 % has permission to erect .......................... buildings oril ....DO.......­.. Foundation Rough tobe occupied as ...Yo........0.4 ... ..S....,...........;.x..le..vo................... .............. ................ Chimney provided that the person accepting this permit shall in every respect conform to the terms of the application Final on file in this office, and to the provisions of the Codes and By-Laws relating to the Inspection,Alteration and Construction of Buildings in the Town of North Andover. PLUMBING INSPECTOR VIOLATION of the Zoning or Building Regulations Voids this Permit. Rough Final PERMIT EXPIRES IN 6 MONTHS ELECTRICAL INSPECTOR UNLESS CONSTRUCTIOW START Rough Service ...... ....... . .............. ........................... Final BUILDING INSPECTOR GAS INSPECTOR Occupancy Permit Required to Occupy Building Rough Display in a Conspicuous Place on the Premises - Do Not Remove Final No Lathing or Dry Wall To Be Done FIRE DEPARTMENT Until Inspected and Approved by the Building Inspector. Burner Street No. Smoke Det. | � � AOstructures Inc. PO Box 413 Carnelian Bay,CA 96140 916.541.8586!7k-U C"ur e s � October 19, 2016 To: DimctEnergy-[NA 15Avenue E Hopkinton, MA,Ut743 Subject: Certification Letter Christopher Residence 42Cochich*wickDrive North Andover,MA.01845 TuWhom \tMay Concern, Ajobdteobservation ofthe condition ofthe existing framing system was performed byanaudit team ufDirect Energy MA at the request ofAOstmctures,|nc..All attached structural calculations are based on these observations and the design criteria listed below and only deemed valid if provided information is true and accurate. on the above referenced project,the roof structural framing has been reviewed for additional loading due to the installation of the solar PV addition to the roof.The structural review,including the plans and calculations only apply to the section of the roof that iodirectly supporting the solar PVsystem and its supporting elements.The observed roof framing isdescribed below. If field conditions differ, contractor to notify engineer prior to starting construction. The roof structure of(Roof A)consists of composition shingle on 1x decking that is supported by 2x10 rafters @ 16"o.c.with ceiling joists acting as rafter ties,The rafters have a max projected horizontal span of 13'-0",with a slope of 40 degrees.The rafters are connected at the ridge to a ridge board and are supported at the eave by a load bearing wall. The roof structure of i(Roof B)consists of composition shingle on 1x decking that is supported by nominal 2x10 rafters @1G"o.c. with ceiling joists acting as rafter ties.The rafters have a max projected horizontal span of 16'-0",with a slope of 40 degrees.The rafters are connected at the ridge to a ridge board and are supported at the eave by a load bearing wall. � in systems of(Both Roof's)are judged be adequateto withstandth loading imposed bythe installation of the solar panels. No reinforcement is necessary. The spacing of the solar standoffs should be kept at 48"o.c.with a staggered pattern to ensure proper distribution of loads. � | l!n�� w Applicable Codes=Massachusetts Residential Code,8th Edition,ASCE 7-05,and NDS-12 * Roof Dead Load=11pd[(Roof A) - 11psf(Roof 8) • Roof Live Load=28puf | • Wind Speed=180mph, Exposure C w Ground Snow Load=SUpsf - Roof Snow Load=19.3pyf � Please contact me with any further questions or concerns regarding this project. CIO� No52174 Sincerely, Digitally signed by Andrew Oesterrelcher Date:2016.10.19 15:09:32-08'00' Andrew0esterre|cher, P.E. Project Engineer Christopher Residence, NorthAndvoar. MA 1 AOstructures Inc. 790 Carnelian Circle R-t. Carnelian Ray,CA 96140 916.541.8586 www.AOstructures.com structures Gravity Loading Roof Snow Load Calculations pg=Ground Snow Load= 50 psf pf=0.7 C®Ct I pg (ASCE7-Eq 7-1) Cg=Exposure Factor= 1 (ASCE7-Table 7-2) C,=Thermal Factor= 1.1 (ASCE7-Table 7-3) 1=Importance Factor= 1 pf=Flat Roof Snow Load= 38.5 psf IDS=Cspf (ASCE7-Eq 7-2) Cs=Slope Factor= 0.50 p,=Sloped Roof Snow Load= 19.2 psf P1/Dead Load=3.8 psf(Per Direct Energy.NIA.) Roof Dead Load(Roof A) Composition Shingle 4.00 1x Decking 3.00 2x10 Rafters @ 16"o.c. 2.90 Vaulted Ceiling 0.00 (Ceiling Not Vaulted) Miscellaneous 1.10 Total Roof DL(Roof A) 11.0 psf DL Adjusted to 40 Degree Slope 14.4 psf Roof Dead Load(Roof S) Composition Shingle 4.00 1x Decking 3.00 200 Rafters @ 16"o.c, 2.90 C Vaulted Ceiling 0.00 (Ceiling Not Vaulted) Miscellaneous 1.10 Total Roof DL(Roof B) 11.0 psf DL Adjusted to 40 Degree Slope 14.4 psf i i Christopher Residence, North Andvoer, MA 2 AOstructures Inc. 790 Carnelian Circle Carnelian Bay,CA 96140 916.541.8586 www.AOstructures.com structures Wind Calculations Per ASCE 7-05 Components and Cladding Input Variables Wind Speed 100 mph Exposure Category a C Roof Shape Gable/Hip Roof Slope 40 degrees Mean Roof Height 20 ft Effective Wind Area 19.3 ft Design Wind Pressuro Calculations Wind Pressure P=qh*G*Cn qh=0.00256*Kz*Kzt*Kd*V"2*1 (Eq-6-1 5) Kz(Exposure Coefficient)= 0.9 (Table 6-3) Kzt(topographic factor)= 1 (Fig.6-4) Kd(Wind Directionality Factor)= 0.85 (Table 6-4) V(Design Wind Speed)= 100 mph Importance Factor= 1 (Table 6-1) qh= 19.58 I Standoff Uplift Calculations Zone 1 Zone 2 Zone 3 Positive GCp= -0.92 -1.12 -1.12 0.86 (Fig.6-11) Uplift Pressure= -18.10 psf -22.01 psf -22.01 psf 16.9 psf X Standoff Spacing= 4.00 4.00 2.67 Y Standoff Spacing= 5.50 2.75 2.75 Tributary Area= 22.00 11.00 7.33 i Footing Uplift= -398 Ib -2421b -161 Ib Standoff Uplift Check Maximum Design Uplift= -398 lb Standoff Uplift Capacity = 400 Ib 400 lb capacity>398 Ib demand Therefore,OK Fastener Capaclty Check Fastener= 1 -5/16"da Lag Number of Fasteners= 1 Embedment Depth= 2.25 Pullout Capacity Per Inch= 2501b Fastener Capacity= 5631b wfCd=1.6&F,S.of1,5= 6021b 601.6 Ib capacity>398 lb demand Therefore,OK Christopher Residence, North Andvoer, MA 3 AOstructures Inc. 790 Carnelian Circle Carnelian Bay,CA 96140 R—tel 916,541.8586 structures www.AOstructures.com Framing Check (Roof A) PASS w=50 plf Dead Load 14A psf PV Load 3.8 psf %� Snow Load 19.3 psf Governing Load Combo=DL+SL Member Span 13'-0" Total Load 37.5 psf Member Properties Member Size S(in^3) 1(in"4) Lumber Sp/Gr Member Spacing 2x10 21.39 98.93 SPF#2 @ 16"'o.c, Check Bending Stress Fb(psi)_ f'b x Cd x Cf x Cr (NDS Table 4.3.1) 875 x 1,15 x 1.1 x 1.15 Allowed Bending Stress= 1272.9 psi Maximum Moment = (wL^2)/8 = 1055.11 ft# = 12661.3 in# Actual Bending Stress=(Maximum Moment)/S =592 psi Allowed>Actual•-46.6%Stressed Therefore,OK Check Deflection Allowed Deflection(Total Load) = U180 (E= 1400000 psi Per NDS) = 0.866 in Deflection Criteria Based on - Simple Span Actual Deflection(Total Load) _ (5*w*L"4)f(384*E*I) = 0.232 in = L/673 > U180 Therefore OK Allowed Deflection(Live Load) = L/240 0.65 in Actual Deflection(Live Load) _ (5*w*L^4)/(384*E*I) 0.120 in U1300 > L/240 Therefore CCK Check Shear Member Area= 13.9 in^2 Fv(psi)= 135 psi (NDS Table 4A) Allowed Shear = Fv*A = 1873 Ib Max Shear(V)=w*L 12 = 325 Ib Allowed>Actual--17.4%Stressed -- Therefore,OK Christopher Residence, North Andvoer, MA 4 AOstructures Inc. 790 Carnelian Circle Carnelian Bay,CA 96140 916.541.8586 structures www.AOstructures.com Framing Check (Roof B) PASS w=50 plf Dead Load 14.4 psf PV Load 3.8 psf Snow Load 19.3 psf %,�����„��� XJ RaffeXs � ,6 a e, �,';"� Y , ,�.. � "Na;' Governing Load Combo=DL+SL .Member Span=16'-0"~- .._...._.....W. Total Load 37.5 psf Member Properties Member Size S(jr)A3) I(in^4) Lumber Sp/Gr Member Spacing 2x10 21.39 98.93 SPF#2 @ 16"o.c. Check Bending Stress Fb(psi)= f'b x Cd x Cf x Cr (NDS Table 4.3.1) 875 x 1.15 x 1.1 x 1.15 Allowed Bending Stress=1272.9 psi Maximum Moment = (wL"2)18 = 1598.27 ft# = 19179.3 in# Actual Bending Stress=(Maximum Moment)/S =896.7 psi Allowed>Actual-70.5%Stressed M- Therefore,OK Check Deflection Allowed Deflection(Total Load) = 1-/180 (E=1400000 psi Per NDS) = 1.066 in Deflection Criteria Based on = Simple Span Actual Deflection(Total Load) _ (5*w*L^4)/(384*E*I) = 0.532 in = 1-/361 > U180 Therefore OK Allowed Deflection(Live Load) = I.J240 0.8 in Actual Deflection(Live Load) _ (5*w*L"4)/(384*E*I) 0.275 in L/699 > L/240 Therefore OK Check Shear . Member Area= 13.9 in^2 Fv(psi) 135 psi (NDS Table 4A) Allowed Shear = Fv*A = 1873 Ib Max Shear(V)=w*L/2 = 400 Ib Allowed>Actual--21.4%Stressed — Therefore,OK Christopher Residence, North Andvoer, MA 5 Christopher Residence North Andover 42 Cachichewick Drive 1600 Osgood St m � c North Andover,MA 01545 .. ti y w ¢ o 5ystem Ratings } 12 kW DC Photovoltaic Solar Array ID kV.`AC Photovoltaic Solar Array O c 40 40 LG NeO Summary \ \\\ \ \ m LG eON 2 300 Mono Black Modules 40 Enphase M250-60-21-L-522 Inverters 98 Roof Attachments N Ov Sheetindex \ \\ PV-1 Cove- \�\\\ \g" \ , PV-2.1 Description of Work and Load Calculations- PV-2.2 Description of Mork and Load Calcuriations- 2 PV-3 Electrical D<agram PV-3.1 Electrical Calculations \ PV-4 String and Conduit Layout PV-S Equipment Ratings&Signage - UJ U Governing Codes 2014 National Electric Cade Massachusetts Residential Cade,8th Edition Undenvriters Laarator'ies(UL)Standards OSHA 29 CFR 1910.259 n ¢ j ASCE-7-10 m u E � o G o a U ? i COVER SHEET i PV-1 i 1Typica1 Se-tion 1-9 kW D?'phatawhaie Solar A—Y O 4' Th- a7ars a- psad of i6 LG NeDN73Ca Mara ESacksala^pane's.The Pa tsarc maurted 4;ir>fthe saU -ng 7:cahe y 4 dIg's 2x10 RaP aced at IE o-:,Eaeh soar Nr'el a^.achcIw sn Eaphas M26S>662L SZ2 mic.•o-inva2 S mo,ted to the raa _y �.--t•-y�s _ Z O C direely b.--h the pa..L w G O Q The soar Psarh Froth..Mpvwe^whers,auck by light The DCp¢wersmmartadm 24Cy At Power at the f-vertar Mk.aisve^-crs ora - '/ y 7i cartrared la sv`rzgs with,maximum rumba -16a--ll m 11 each st•[!g. a¢21 Th�a system w85e grtd;led.R'u'es solar panaS,p;adu¢e marc power thar"s ased by the huiidirrg,the exce-s powerfl¢'m bac;t into tha uaS'p.Y j J / Z--,d throughar;e:mM¢r to he rva:lable fa:athar pawar:sez. \ �- r Y 5 par�!nc:aisg'It 1 ff-ss,microLLrn^aran,and mountingeak.reg^cuaded.sing the mazufac vre's re-omm.Jed Q ge..ur+d:rg method a,d WEE0 echno..,gp a long v.sh 46 AWG SraurvYirB wire. Thi bul3d,ng ae°a,eans:—.d in 1935. yam' tt� Pane!Dimensio+:s 64.57 in 111,17 in System weight 963 bs Panel weight 37.4815, systemDas'Dtatan ed Ld 3.4 psf } Syste^:Square Footage 282 sq ft Ra fSppa, 2x10 Rafter v ` M Lu LA Raatng Wlght 297 lbs ,Actual Paint Lased Max Spadrg aft Ji n diem-lnuerier Weight 70.416, Tata?rsuerber ofR fP e'a''an; 42 MaxAllawable Ra Dv rh 16 in 11—be,s are He,.,Frjvarth}al."ow.ng 235 lbs pet inc*thread depth -' sNlA Var'bles ;aotez RaaJSappar.Members arr210 Raftat .h A 36ft ¢ 3f IPrtetGown;arca 14.9 Psf .hate3:RacGr;g ::s+rc<: H 13 f•, Wand Dawn;arce 149 psf P,-Upfrjt -1$pd Raaf Prt h 40 degrees Wind Uptij". -18 psf B 5.4 Load fombinat— wMax Sod pif iv SCC mph X2t 1 DS D2 D3 !Uplift Max Span 3f Snow toad So If 5xaasure Cl— a Dead load D 3.4 3.4 3.4! 2.1 Psf A.—TSpan aft 3 o N Ra fz— 3 n 1 Snow Laad S 50.0 oA 37.51 CA psf Rd 575 Ib, no Q F 706 1 DWL' ?net C.0 14.9 112 i$Apsf Ru 11216, V y C !Tota'Lead P•. 53.4 18.3 52-1 15.9 p,f Required Th-ead Depth 0.73 in Distrib TL jw• 143.7 49.3 140.2 32,9 plf Actual Thread Depth 225 is OF Z u G Q S ' DWI:Design wind Laad u ry — "'Ab,aluto--.-are indimtad;ar Me cal-ulated quantities of P.UpW.arrd w-Uprft g Z Glossary of Terms for Load Cal Mations h 6uildi:.g nalght el Adlutmant Fact¢rfor height H $ut:d"eng Leas,kor6¢n'al ! Raafpim Raaf Ptch t I.mpamanee eaetor¢`forasing7efamiyresidenPa @ESCRIPTION OF y Sask W.nd SPaed .Land snow Land s M.dw.la:,gth WORK&LOAD RoaJzeae Rao`.Zarc Rd ?¢Int Laad-Maximum Dow^'.arsa CALCULATIONS yLATIONS T E cxaatNeR..fArea Ru P.intLoad-Uoft [O Roaf2¢na Setback Length Expasurr S-5ubatbsn si,;g!e fa in •4,dtM Pnef Drrwnfooru Net D-19,Pa'-vnfvree 7reszure rYarl' Paef Up;iN Net rvcaign Ja4ft 9ra:sarc PV-2.Z Kzt T¢pcgraFhk iactvr Z Typhml Section s0 72 kW D{per LcraP-a3a Saa:May ry � h ' yawmprtsedaf2F.s Na3t2 Cbhano 3#.k sa#r paneb.TFe W^e5 anti.unvd ng xh.za:ar maurYJag rail xe x't. `'t trtEd':ng 2xiO4afxr,spared at l6 ac Eah - W==na.sa2achrd:a an'cnphase M2S.16D-232 3aa-in-Mxora:ze neumed Ye:hem'" �j,. n6 dir.xthl brnea[h the wmt. y.. `-%–, /J w ¢ O Q l ! Theaa#-Wna%s p-adxe DC paver whers ckb,=kht T`scD{paver:wnvertad to 240vnt Gown:at thelnvcra:.WE� - � lei caaaaacad'n-InV wcbam - .,emxrGt lS a,wa-ire-.r:'.each n-.r,H. .--'.r 3 �y T1's svixr w:U be a':d-efed.!i thesala;Wnek Produce rsarc aawar rhanmuzed br she tri:+ting,the evress, arfaws sack!nxe xna �til:^(grid th'at+gh a net neMrta ba avaiabie far other pCwM titers_ !�� t Y C til mexal parts kxludirg solar Wncl frames,+NKra-i^vertxrs,and raeu-vting rsib are gre,a,ded usirgtha narzufacureYs recomme^ded d graendiisg mcuh.d and tV'eE3 ta.hnavgy along with a6 Ft•JG graunding wire. The bagdir�wr w;struaed ir+1966. Panel Lawvt - ^� / Panel LNn;ensians 64.5711x39-331. Sysicm Weight 14501, / Panni!h4ight 37.4E In, System Distributed Laad 3.4 PtfCj System Sq—Fee-iegr 424 sgft Roofsupp— 2x10 Rafter ��''�� - r RaeiJng height 4451bs Actual Paint Lead Ma SPadng Oft ,. iM:ara-Im'ertef"V.'2lgh« 105.6 lbs Total number of Roof Pe.rtratians 56 Lm i M-Alic—ole R.11 Overhang 16M a.fl.W"g fbxperind;thteaddep«h xnJA Variabks Nate?:Fae}Su.-ysart:t6r.-.hart crc3e Faker 36 ft a 3 fr ­ v net n.—f­ 149 ps# Nett 3:Heckz 19 ft Wind Dowrlfarce 14,9 ps# ane[Uplift -SE pea -f X16 40 degrees Wird Uplift -18 pe B 5A Load Cambin.ia.s wMax 144 PN in Rh 100 mph Cl( 1 D3 D2 G3 Uplift I Max Span 3$ - v Snaw Laad 50 Psf ftzPasurn Cat,go� & Dead Load D 3.4 3.4; 3.4 2.OPs# Acival5pan Oft o Rad,Zan, 3 €2 1 jSnoW Laad $ 50.0 0=0 37.5 0.0 Ps` Rd 57536s a a ct 706 1 3 'DWL' Pnet 0.0 14.4 11.21 -18.0 Psf Ru 172 lbs w =Total Load p•• 53.4 18.3 52.1 f 16A psf Mgaircd Thread Depth 0.73 in > Distrib TL 143.7 49.2 140.1 429 plf Att lThread Depth 2.25 in p d G ~ U Q y�y 4 C ` F DWL'Design end LeadSj "Abndf values areM F-wdfarthr-1-1:,d q.-66.of P-Uprrft and-Uplift CJ 0 Glossary of Termsfor Load Calculations ih Bui4na Ha;ght ,1 Ad1�r.:rnert Faaar far ha ghs H B.Ildlla Leas:Hcrizart:ai ReofPtUh R..f P;+sh , ImcY. .^.:e Faetar of fara dmk fan 1,Te Idvm Bask Wlrrd SPerd DESCRIPTION OF s...L..d Sa.wL.ad a d=tele.,gnpa�and :arta baanz WORK&LOAD Haajun. 4aof2ane Rd Point Laad-Mavimum Dawnfarce F Ef rvaRaafAaa Ra ainLLaad-uP CALCULATIONS R..fZ.-5rtback L.ngd: Expasurr a-su'-v:r§an s:ng cfamily eweGing Peet Lbwnforzx Nei Omlgn D.wnfarw Pressure {azrgary p»ex Uptik N.Das:gn x,10t Pretsue PV-2.2 i North Andover ._. ..... _. Christopher Residence ` 1600 Osgood St 42 Cochicnewick Dri'de � ti North Andover,&4A 01345 _ < z o > Q Q System Ratings 12 kW DC Photovoltaic Solar Array 10 kW AC photovoltaic Solar Array o 061 40 LG NeON 2 304 R9ana BrackModules 40 Enahase M250-60.21 22 Inverters j 99 Rcaf Attachments \\' Sheet Index 1 P1-1 Cover PV-2,1 Desn'iption of Work and Load Calcurations- PV-2.2 Desenption of Work and Load Calculations- 2 PV-3 Electrical Diagram =V-3.1 Eiectral CalculationsMeter PV-4 String and Conduit Layout �\ PV-5 Equipment Ratings&Signage - -- -- -- -,� { r x �v Goyemine Codes 2014 National Electric Code Massachusetts Residential Code,3th Edition ' —' Underwriters Labratories(UL)Standards ... OSHA 29 CFR 1910.269 " c ASCE-7-10 u r z z � J a i COVER SHEET PV-1 1 TypiPiSection 43 kW DC Ph—tale SIE at—Y o I Th ...v I, of 16 SG VmON2 'ii-Mm2oaac:.zalargartas.The partes aremaz<rtad i,pfi xaarmo-tlnSraNia tF.e a 01 b!d g'2x1D Rafter.spaced at l6 ac,'eae4 am:ar paruSkattaml+ed;o an +phaxa 31250-fi0.SLs:2 1 mrteroea mauntad:a LSa rsr /y/'�1 ,L9y. Z O { d—ly b—th t*.a pane. _ -� y 4 O fl F- i- 'he za9a•pan-R dce bCW -tn.2iW .c&ht.Ths OCyaatiw'smrn+ertmd to 230<.1C powe•5t*=ie?rnevrar.Mkro-lrverten a:m "� fl fl 9 ornez<ed€n strf gxw�amax�n Ser a._5 mkm-ews,ars reach srtiy+. �� �� � � yP°�# � �y }' Thk eystem will oe grid-tkd.If I,prod..-arm power than's usad by thm war a0dinQ_thc s.tttt, fawt Sal.ina tSe.Pitj grid th:aughanat.meterto be 1111ila far athai�wer teen. as m I Al.metal parts lnd'ading sa;a r1-1 fInna,mica'',,xn S.and.—ting rsiis a:egroanded using the reanu#stvrors re:ar.� an3md � € aoundng met^. and WE-B taehni,. tiV alonS w,"MAWG EraundnS wue. 5 Tl:m bus:ding was canRr'a:ted in AS& w n ry panel L.W. Pane;D+mansions 64.57:n x 39.371n (System"Vaight 96,lbs `s Pane"iNeight 37.481bs ;System+Jhtrm<rted toad 3.4 psf System square F.amga 292 sgft �Roaf arc Supa2.10 Rafter Racking wniight 297 lb. A—JP.rnt L..d Max Sp.,'ng 4 f Micra-leverter weight 70.4 lbs ataf namber ofRogfParetrut"— 42 M-Allowable Rad'Cverhang 16 in Alemtiers are Nem,Fir;4b^2x1 a;7awing 235Ib perinchthreaddepth xtilA Vartabies Wane 2:n'a fS ,rMem9rnere2x20Raf- 4h 36ftaft Pnet Downfome 14.9 Psf N..3:Rotktng Nate 4. I! 13 ft Wind tlaw.:fa.-te 1b.9 psf are Uplift -18 Psf i.4aq+P#tdr 40 degrees IWod Uplift -18 De B 5.4 Load Combinations wMax 144 pif y SCO mph Azt 1 O1_ i02 D3 Uplift Max Span 3 f v 5naw-a, SC p, &P-- 9 Bead Load 0 3.b1 3.4 3.4 2.1 PVACual Span Oft p RaofZan¢ 3 :7. 1 Snow toad S $0.0' 0.0 37.5 0,0111F Rd 575lbs 6 IF 706 1 0141' Pntt 0.0 14.9; 11.2 -i8.i3,psf Ru 1?3 i6x z ,Total Load jP" 43.: 13.3j 52.1 1531tpsf Required Thread Depth 0.73 in = w > s Distri67L Ica" 143.7 493 140.2 42.91plf A.t Irhmad Depth 2.252n fl o u �n 0 G ¢ fl T •DWL.Des:gn KInd Coad rU„ it •'Absofuta valuer are indicated rare calculated t,,ti o,% fah and w-U `0 fo gaar, f p p±ift Z Glossary ofTemsfor Load Calculations h B.Ading Height A Ad!usttnent Faaar for height ]N B�Mfn Least Horizo..i x. �asa� Roof Piaui Raaf aitch :(npOY -a!fora.1no.fan,3v rasldanca 3aakWMdSped DESCRIPTION OF is.rewtaad sr,awLaad a r>ade;m=engmperpe^dk�:ar:asaa,� WORK&LOAD RaafZanr Raat Zana Rd Paint Laad-Ma.Fnu:r.Dawnf— Efr mRaa7Are Ra ,,,ntL-d-uplift CALCULATIONS Raaf Zane SotWek Length Fxp�vrc B-5ubarSa,^.zingir family dweG:ng Pr.rt Dawnfarre Net bmxiSn Dawnfarcm Praz...re foiryary j Pert LplfYt Nx D.sgn UWlfr Pressure t`��/' ..L+t [ �IL T agr➢hkf r V t7.2 kW DvxhatavohakSalara�ra� o 0 'tsissola"a ray a the Pa nob are mau..ed -laghe za -ng'a:i to bWlee, .v Rafte,np—d 115 vG Each zaiar Panel's a^.ached�o an Ena�taze M259-662LE 52. icr lavart k rated is t!w ! ��.. Z .C. 2x ran dEraNy b—eh the par.L ' z d Z0 a z U ti Z A Es T4c zaiar parak_a_CC pa k a, a Q 'I:e CC Rawer it taws-ad to 2-V AC pawar at t- a'r d 16 m�G�a-�ertess in vats si•1+g, � � y `I E � i.;s z;ztemw be g€`d-t:ed.If the soar Pa,---duce mare power Shan"s used b{Lhobui!dksg,the cxaas3 a—Rawz back ir:ta the me uiigry grid threughar:at.metar tv xac'ai!able'ar adaor power users. � j Y Ag metal pa its inc}s3irtg talar panni frames,mi<ro-krves:ers.and ma::ntlng ra Gs aro grounded using Sha ma^afin:rets rccammanded Q gran-d�.a mMhod and W'E`c3 te[hna!agy abngwhh N'_AM'G gra rding Tits bugdirsg was rns:rtctad 3n 1936. Panel wvaut / weight 1450 lb, 3 Panel Dlmenz+arss fi4.57 in x 9.37 S 1n }tem Parer We<yh.- 37.481bs !symmDi>"sr'b,ted Load 3.4 W `"� _ -.-.fes �.._._ - 1 System square Footage 424 sq ft Rafswpa"R 2x20 Rafter _ C c [,Raciring Wetghf 445 lbs Att-i Pant L-d,daxSpadng Oft !- _ y,aa^"" Eu-. " — �;"A?cro-iaverfer`lJeigF.i 105,6 ibs 7atal numberfn'af Penetrations 55 Max ALtowahie Rol Overhang 161n - € o0owing its perinch thread depth _ - A:.IJA V 6k ,hoz 2:Regf3 yyart:4!¢m5eisate 210 R.,ft" I' 36`t a 3£t Pnet Dawnfore 149 psf ^:.nre3:Railing rrote d: 9 y 19 ft 'l.rnd Dawforte 14.9 psf ph Upho -18 psf J R.,a"irah 40 degrees wind Upty+t -18 psf IE 5.4 Load Combinations wM.. 144 pi# 1 �y 10D mph 4Y: 1 EDI D? D3 UaSift Max Span aft :n C �Sr—od 50 ph iExpasure Late9ary $ Dead..ad D 3.4 3.4 3.4 2.0 pzf Actual Span Oft a o € .4aa,#Zane 3 ]x 1 Shaw Egad 5 50.0; 0.0 37.5 D.0 Paf Ad 57516s E 70a' 1 3 C12`L- Pnet C.0( 14.9 112 -18.0 ps£ Ru 172 lb. y VEp TataC toad P•• 53.4 183 52.1 16.0 pzf Required Thread Depth 0.73 in Disir£b Tt jvar 143.7 49.? 140.1 42.91 pif Actual Thread Depth 2.25 in p o u v u < C 0 S ✓- OWL:Detign Wind toad — "Abalute vatues ore indimted far the wicutated q—tine,of P-Uplift and w-Upiift 2 Glossary of Terms for Load Calctlatiors j ih 3ut!ding Height d Fdjustmerr.FaGarfm height € y Ruilding Least H.,n—1 Ra1pp"'.oRoaf P3:eh i ImPartarfce F—a#far as!ngk£amcy re:!denta Rat€c Wmd5,aed DESCRIPTION OF Fxaw Laad Srww Laad a ;w,ad�le ler ,p=rpendit�rta beams WORK 8g LOAD Roo;Zanr Rae#2eae Rd Point,-.ad-MaximumDaxm.— �E _Hallie Raaf Araa Ra P.I.L..d-Up3Nt CALCULATIONS aae...ane Se;aatk Le^gth Eepasun R-Suhurban zing}e famiF{dr.e€i!:.g "Peet Dawrsfprrr Net Cesign Dawnf",Pressure fate6nry [ PnC.L"pRY M1etCttlgn l:Pllft?ressum R Xrt TePaaraPF.k Fa__^.ar V_2•2 i '1 'I If�Iltl�l SLG Lifes Good r,3 i r„ r j '° ' i LG's new module,NeONT"'2 Black,adopts Cello technology. Cello technology replaces 3 busbars with 12 thin wires APPROVED PRODUCT to enhance power output and reliability.NeONT""2 Black �/ us IS,I V, 60 cell demonstrates LG's efforts to increase customer's values B 0% beyond efficiency.It features enhanced warranty,durability, Intertelc K"1564573 E35fN611 m1.5 performance under real environment,and aesthetic design omwir,e d°^s suitable for roofs. Enhanced Performance Warranty High Power Output LG NeON'"2 has an enhanced performance warranty. Compared with previous models,the LG NeONTM"2 The annual degradation has fallen from-0.7%/yr to has been designed to significantly enhance its output ro 0.6%/yc Even after 25 years,the cell guarantees 2.4%p efficiency,thereby making it efficient even in limited space. more output than the previous NeCINTM modules, Aesthetic Roof Outstanding Durabitity :: LG NeON'""2 has been designed with aesthetics in mind; With its newly reinforced frame design,LG has extended thinner wires that appear all black at a distance,The the warranty of the NeCINT""2 for an additional 2.years. product may increase the value of a property with its Additionally,LG NeON'""2 can endure a front load up to modern design. 6000 Pa,and a rear load up to 5400 Pa. Better Performance on a Sunny Day Double-Sided Cell Structure o ® � LG NeON'"'2 now performs better on sunny days thanks The rear of the cell used in LG NeCINTP4 2 will contribute to to its improved temperature coefficiency. generation,just like the front;the light beam reflected from the rear of the module is reabsorbed to generate a great amount of additional power. About LG Electronics LG Electronics Is a global player who has been committed to expanding Its capacity,based on solar energy hu5iness as Its future Growth engine.we embarked on a solar energy source researcli program In 1965,supported by LG Group's rich experience In semi-conductor,LCn,chemistry,and materials industry.we successfully released the first Mono X'a seriesto the market in 2010,which were exported to 32 countries In the following 2 years,thereafter,In'2013,NeON'"(previously known as Mono XO NeON)won'"Inter'sclar Award';which proved LG is the leader of innovation In the Industry. LG NeON-2 Block MMM Mechanical Properties Electrical Properties(STC Celts 600 300W -Cell .r LG MPP Voltage(V in-pp—) 32.5 Tell Type Monoaystaitine/N-type MPP Current(Impp) 9.26 Voltage(Voc) 39.7 'Eel(Dimensions 156.75 x 156.75 mm/6 x 6 inch Open Circuit Vot a of Busbar 12(Multi Wire Busbar) Short Circuit Current(Isc) 9.70 Dimensions(L x W x H) 1640 x 1000 x 40 mm Module Efficiency — Temperature(*C) -40-+90 64.57 x 39.37 x 1.57 inch Operating -Frorrt. Load" 6000 Pa/125 psf 0 Maximum System Voltage(V) 10 0 Rear Load 5400 Ina/113 psf 0 Maximum series Fuse Rating(A) 20 Weight 17.0±0.5 kg/3748±1.1 Ibs Power Tolerance 0-+3 _Connector Type MC4,MC4 Compatible,IP67 *STC(Standard rest condition):Irradiance 100OW/0,1VIDdulelemperature 256C.,AM 1.5 'The nameplate pa,,er output 15 meastired and determined by LG Electronics at its sale and i,,.Iut.d[scnecon. dunction Box IP67 with 3 Bypass Diodes 0 W n 1 -3 --- The typical change in module erriciency at 200 w/m,�n relation to 100 1 � 0 Length of Cables 2 x 1000 mm./2 x 39.37 inch Glass-- High7ransmissionTenlperedGlass Electrical Properties(NOCT*) Frame Anodized AurninUM 300 W Certifications and Warranty Maximum Power(Pmpp) 2.18 MPP Voltage(Vvmpp) 2.9.5 Certifications(In Progress) IEC 61215,IEC 61730-1/-2,UL 1703, MPP Current 7.38 ISO 9001,IEC 62716(Ammonia Test.),— Open Circuit Voltage(Vac) 36.5 7.83 lEC 61701(Salt Mist Corrosion Test) short Circuit urrent(Isc) Module Fire Performance Type 2(UL 1703) NOCT(Nominal Operating Cell Temperature),Irradiance 1300WIm2,ambient temperature 20'C,wind speed I m/s Product Warranty 12 Years Output warranty of Pmax Linear warranty* Dimensions(mm/in) (measurement Tolerance±3%) 1)1 st year,98K 2)After 2nd year,0.6%p annual degradation,3)83.6M for 25 years Temperature Coefficients NOCT 46±3 IC -0.38%/'C Pmpp---- It I yoc u—ly PaWZ Isc 0.02 9/.I*C Characteristic Curves 100ow '80ow am too— 600W 00.u 6,00— L 40000 4.00 ...... c—� 20000 200 oleo 5.60 1000 1500 2000, 25.00 3000 35,00 4000 4500 140 100 DO 60 40 20 .......... 40 0 25 50 75 90 -1he,distance between the center of the mounting/grounding hates, North America Solar"BusinessTearn prodUCt Specifications are subject to charge without notice. (9 LG LG Electronics US.A.Inc DS-N 2-6 0-K-G-F-F I-504 2 7 Life's Good 1000 Sylvan Ave,Englewood Cliffs,NJ 07632 Copyright(0 2015 LG Electronics.All rights reserved. Innovation for a Better Life Contact:bgsoar @Ige.corn 01/04/2015 1 0 W4 vAvw,IgsoIarUSa.001n MY Enphase"Microinverters Enphase@M250 lrfi�flr�rrl�Ilf,frslrffl/�/�riy/i�i �i�/�i�i�a/IIIr'k�j�(jay!�U/�1�/�I�r/vfftr�r�itrtlOtl��%fi�11 mioimummiwwwwwwuwwmuuuoimuuuuuuuuuuumm�ummwwwoo�mmumuuuuuuuuuuuuumu�mmmmouuouuuuuuuuuuuummmumuuwowmwwummmuuuuuuuummmumoouuuouuuuuuuuuummm�mmrmmm muumu�uuuuuumuu uuwwmmiuuuuuu�uuummmumwuuwwwulwwwl ���mmuuum �mmuu�e The Enph se`' M25 1 Microinverter delivers increased energy harvest and reduces design and installation complexity with its all-AC approach. With the M250, the DC circuit is isolated and insulated from ground, so no Ground Electrode Conductor (GEC) is required for the microinverter. This further simplifies installation, enhances safety, and saves on labor and materials costs. The Enphase M250 integrates seamlessly with the Engage Cable, the Envoy Communications Gateway'", and Enlighten, Enphase's monitoring and analysis software. P R 0DUCTI V E SIMPLE RELIABLE -Optimized for higher-power - No GEC needed for microinverter -4th-generation product modules - No CSC design or string calculation - More than 1 million hours of testing - Maximizes energy production required and 3 million units shipped - Minimizes impact of shading, - Easy installation with Engage - Industry-leading warranty, up to 25 dust, and debris Cable years .. a hens- V�® ,_ E N E R G Y 0 us Enphose"M250 Miominverte //DATA INPUT DATA(DC) K825V-6V-2LL-822/S23/S2� Recommended input power(STC) 210'300VV Maximum Input QOvoltage 48V Peak power tracking voltage 27V-38V Operating range 10V'48V Min/Max start voltage 22V/48V Max DCshort circuit current 15A Max input ourmnt 98A OUTPUT DATA(AC) @208VAC @240 VAC Peak output power 250 W 250 W Rated(continuous)output power 24OVY 240 Nominal output current 1.1bA(Anneutnominal duration) 1.0A(4,moetnominal duration) ` Nom|na|vo|tmga/rongo 208V/103-228V 240V/211'284V Nnm|na|fraquenuy/mnge 80.0/57-81Hz 00.0/57-61Hz Extended frequency range* 57-62.6 Hz 57-62.5 Hz Power factor >0.95 >0.95 Maximum units per 2OAbranch circuit 24(three phase) 16(single phase) Maximum output fault current 850 mA rms for U cycles 850 mA rms for 6 c | EFFICIENCY CE0weighted efficiency,24OVAC 0&596 CECweighted efficiency, 2O8VAC 86.0Y6 Peak Inverter efficiency 96.5Y6 Static MPPTefficiency(we|ghted.reference ENOO530) 93.4 % consumptionNight time power 05mVV max MECHANICAL DATA Ambient temperature range -401C to+651C Operating temperature range(inta,nm|) -400Cto+850C Dimenmiuna(VVxHxD) 171mmx173mmx8Ormm(without mounting bracket) Weight �.Okg Cooling Nutura|onnvacUnn- Nofmnn Enclosure | t l rating Outdoor NEK8A6 FEATURES Compatibility Compatible with O0-ceU PV modules. Communication Power line Integrated ground The UCcircuit meets the requirements for ungrounded PVarrays in NEC 6gO.35. Equipment ground iaprovided|nthe Engage Cable. Nu additional GEC urground|arequired. Monitoring Free lifetime monitoring via Enlighten software Compliance UL1741/|EEE1547, FCC Part 1GClass B.CAN/OSA-C22.2NO.D-M81. 0.4-O4,and 1O7.1'01 ~Frequency ranges can boextended beyond nominal nrequired hythe utility �� To learn more about EOphas8K4ickoiOve�e[technology, ���� n��!���w w� Visitenphase.cor� -~ E N^ f R G Y | 0m1usnpxasoEnergy.ARrights reserved.m/mm*mo,ks orbrands mthis document are mommmu»vtheir respective owner. A CERTIFICATE OF LIABILITY INSURANCE Page i of i _F io/24/016 THIS CERTIFICATE IS ISSUED ASA MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER.THIS CERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND,EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW. 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TYPE OF INSURANCE DDL SUB POLICYNUMBER POLICY EFF POLICY EXP LIMITS A X COMME RCIAL GENERAL LIABILITY XSLG27341226 1/1/2016 1/1/2017 EACH pnrrOCCURRENCE $ 1,000,000 CLAIMS-MADE OCCUR f�AW&k'ES aoocTuran.) $ 100,000 X SIR: $100.000 MEDEXP Anyoneperson) $ 5 000 PERSONAL&ADV INJURY $ 1 000 000 GENT AGGREGATE LIMIT APPLIES PER: GENERAL AGGREGATE $ 1100 Q 000 POLICYJECT � PRO ❑ LOC PRODUCTS-COMPIOPAGG $ 1,000,000 OTHER: $ B AUTOMOBILE LIABILITY BAP595396602 1/1/2016 1/1/2017 {Eoaae�VFinI) GLEUMIT $ 1,000,000 X ANYAUTO BODILY INJURY(Perperson) $ ALLOWNED SCHEDULED BODILY INJURY(Peracddent) $ AUTOS AUTOS HIREDAUTOS ANON-OWNED (PerOacEc,tlen€ AGE UTOS $ AUTOS $ A X UMBRELLA LIAB X OCCUR XOOG25703728 1/1/2016 1/1/2017 EACH OCCURRENCE $ 2 000 000 EXCESS LIAR CLAIMS-MADE AGGREGATE $ 2,000,000 DED RETENTION$ $ B WORKERS COMPENSATION WC595397302 1/1/2016 1/1/2017 X R PER- AND EMPLOYERS'LIABILITY B ANY PROPRIETORIPARTNERIEXECUIIVE NN N/A WC595396902 1/1/2016 1/1/2017 E.L EACH ACCIDENT $ 1,000,000 OFF ICERIMEMBEREXCLUDED? D E.L.DISEASE-EA EMPLOYEE $ 1,000,000 Urs. E.L. NH) ffyes.descnbeunder DESCRIPTIONOFOPERATIONShelow E.L.DISEASE-POLICY LIMIT $ 1,000,000 DESCRIPTION OF OPERATIONS 1 LOCATIONS I VEHICLES(ACORD 101,Addilonal Remarks Schedule,may be attached if more space Is required) CERTIFICATE HOLDER CANCELLATION SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED IN ACCORDANCE WITH THE POLICY PROVISIONS. AUTHORIZED REPRESENTATIVE Town of North Andover 1600 Osgood St North Andover, MA 01845 Coll:4980075 Tpl:2010560 Cert:24854277 ©1988 2014ACORD CORPORATION.All rights reserved. �,- Arint farm TherC9mmonweafth af.lkis, eliayel1`s De1lapiment of1wdusb,1clAq dents I CoNgress Street,Suite 100 -� Boston,lam. 02.71-4-2017 Worker,, Compematnarn I nsurr nee Affidavit. 1 � lCn err av` o� Pl ease,Print Legibl[� Nagle(Business/Oxgwizationffndividual): Address: 5,,-'f+P_3 City/State/Zip: files +44 A of m Pham#: 50 8- b Y- O1'f 6 Are you an employer?Check the appropriate box: Type ofpn•oject(.required):[2, .�✓ I ate,a employer with�� 4 � I exit a general contractor and I 6 E]Now construction. employees(firll and/or part-time).* have hired the sub-contractors [ I am a sole proprietor ax partner- listed ortthe attached sheet. 7. E]the ship and have no employees These sub-contractors have & Q Demolition vraxkin for me in.an ca act employees and have workers' g y p city. 9. ❑Building addition. [No workers' comp.insurance comp.msurance.1 • required,] 5. F1 We,are a corporation and its 10.❑Electrical repairs ar additions officers have exercised their 11. Plumbing repairs or additions 3.Ej I ant a 110MeOwlmr doing all work g p myself[No workers'comp. right of exemption per MOL 12.❑Roofrepairs insurancexequired.]; c. 152, §1(4),and we haven p1/Sofar installafiart employees. [No workers' 13.0 Other comp.insurancerequired.] - *Any applicant that checks box#1 must also fill outihha section below showing their workers'compensation.policy information. f Homeowners who submitthis affidavit indicating they are doing all work and than hire outside contractors must submit anew affidavit indicating such. (Contractors that checktbis box must attached an additional sheet showing the name ofthe sub-contractors and state whether ornotthoso entities have employees. If the sub-contracfors have employees,they mustprovido thoir workers'comp.policynumber. lam an employer that 1s providing worker's'compensation insurance for my employees. Below is thepolley and job site infor`madon. Insurance Company Name:Zurich American Insurance Co. Policy#or Self ins.Lic.#: 59536900 Rxpiration..Date: / 1 Yob Site Address: q%\, CoG�1G��'{el,ck helve- G`ity/State/Zip:/Jor+k 0Ire rMA Attach a copy of the workers'compensation policy declaration page(showing the policy number and expiration date). Failure to secure coverage as required under Section 25A ofMGL c. 152 can lead to the imposition of criminal penalties of a fine up to$1,500.00 and/or one-year'imprisomnant,as well as civil penalties in the foian of a STOP WORK ORDER and a fine ofup to$250.00 a day against the violator. 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Exp1mf on �c�mir„ssfarrer t34{2612#B'l� _ 0 Paxk Plaza- Bute 5170 ((�]psadh,usetts 02.116 flome ImProve MIDuMontractor Registration mm = Registraf<gn: 468228 i :_ ti_•sf TyI?e; Supplemon£Card rel Fxpirafian: 111912-017 ASTRUM SOLAR INS. v DANIEL GOODRIDGE 8965 HI=NKELS LADE STE 508 K; ANNAPOLIS, )SID 20701 -•.f irk —__ Inti• gpdatdlAddross iandraturn care7,mark reasmi for chatxgb. E] QP8Afp Address f2ane .al gmplogment EJ Zost CA-d IoM o�/U9 r�loi2�B 117k—anzcuera ✓� accauee�5o — _ - 3ffica�sf Gflnsumer.r3 ffairs �ns�n ss RegaTabo� Mr.ense oi-mWtkatioit valid forindvidui use 0)[y HDh�ll~IIV ?RO 4�ENi �iT CO3� RA�Tc7R beiorathe osis#ion dafo. .Tffnund retexu ta. i L`3 Of pf CDnsmLrAffairs and)lusfness l�eguTadon kegis$rafiion,,,y44g228 Type: ` xpiraFyq �3S Supplemehi Card fa iCA 0 ASTRUM MAk G I DANIEL GDC?IJf 117Ulrt 80S' 1-I12ivK�El~s ANNAPOLIS,bila`�I) �71'w `' Lad�lserx�farY Nat vaiid�Itixaiat�ignafaXe