The URL can be used to link to this page

13110129 CITY OF CUPERTINO BUILDING PERMIT BUILDING ADDRESS: 20128 PACIFICA DR CONTRACTOR:TRI_- _QBE PERMIT NO: 13110129 DBT-F NED OWNER'S NAME: BOLLINEN:I NAIDU AND GONDI KAVITHA 4 DATE ISSUED: 11/I9/2013 OWNER'S PHONE: 4083936415 PHONE NO: LICENSED CONTRACTOR'S DECLARATION JOB DESCRIPTION: RESIDENTIAL COMMERCIAL License Clas c.# 1 51 62-I'll? INSTALL PV SYSTEM ON ROOFTOP,7.3 KW 29 PANELS Contractor Date I hereby affir. tbat I am licensed under the provisions of Chapter 9 (commencing with Section 7000)of Division 3 of the Business&Professions Code and that my license is in full force and effect. I hereby affirm under penalty of perjury one of the following two declarations: I have and will maintain a certificate of consent to self-insure for Worker's Compensation,as provided for by Section 3700 of the Labor Code,for the performance of the work for which this permit is issued. Sq.Ft Floor Area: Valuation:$29500 I have and will maintain Worker's Compensation Insurance,as provided for by Section 3700 of the Labor Code,for the performance of the work for which this APN Number:36928022.00 Occupancy Type: permit is issued. V ,�) APPLICANT CERTIFICATION I certify that I have read this application and state that the above information is PERMIT EXPIRES IF WORK IS NOT STARTED correct.I agree to comply with all city and county ordinances and state laws relating WITHIN O DAYS OF PERMIT ISSUANCE OR to building construction,and hereby authorize representatives of this city to enter upon the above mention prope o 'nspection purposes. (We)agree to save 180 DAY LAST CALLED INSPECTION. indemnify and keep ss e C o C ertino against liabilities,judgments, costs,and a ens w h a cc said City in consequence of the granting of is pe it. d o fly, p cant u derstands and will comply Issued by: Date: with all on int e t p r erti o Muni al Code,Section 9.18. Y t RE-ROOFS: Signature Date ` All roofs shall be inspec prior to any roofing material being i talled.If a roof is installed without first obtaim an inspection,1 agree to remo all new materials for inspection. ❑ OWNER-BUILDER DECLARATION I hereby affirm that I am exempt from the Contractor's License Law for one of Signature of Applicant: the following two reasons: ALL ROOF COVERINGS TO B LASS"A"OR BETTER 1,as owner of the property,or my employees with wages as their sole compensation, will do the work,and the structure is not intended or offered for sale(Sec.7044, Business&Professions Code) 1,as owner of the property,am exclusively contracting with licensed contractors to HAZARDOUSATERIALS DISCLOSURE construct the project(Sec.7044,Business&Professions Code). I have read the hazardous materials requirements under Chapter 6.95 of the California Health&Safety Code,Sections 25505,25533,and 25534. 1 will I hereby affirm under penalty of perjury one of the following three maintain compliance with the Cupertino Municipal Code,Chapter 9.12 and the declarations: Health&Safety Code,Section 25532(a)should I store or handle hazardous I have and will maintain a Certificate of Consent to self-insure for Worker's material. Additionally,shoull I usesuip cut r devicewhich emit hazardous Compensation,as provided for by Section 3700 of the Labor Code,for the air contaminants as defined b the Ba it ua Ry Management District I performance of the work for which this permit is issued. will maintain compliance with a un ip ode,Chapter 9.12 and 1 have and will maintain Worker's Compensation Insurance,as provided for by the Health&Safety Code, cti ns a 2 4. Section 3700 of the Labor Code,for the performance of the work for which this permit is issued. Owner or authorized agent: Date: I certify that in the performance of the work for which this permit is issued,1 shall not employ any person in any manner so as to become subject to the Worker's Compensation laws of California. If;after making this certificate of exemption,1 CONSTRUCTION LENDING AGENCY become subject to the Worker's Compensation provisions of the Labor Code,l must I hereby affirm that there is a construction lending agency for the performance of forthwith comply with such provisions or this permit shall be deemed revoked. work's for which this permit is issued(Sec.3097,Civ C.) Lender's Name APPLICANT CERTIFICATION Lender's Address I certify that 1 have read this application and state that the above information is correct.I agree to comply with all city and county ordinances and state laws relating to building construction,and hereby authorize representatives of this city to enter upon the above mentioned property for inspection purposes.(We)agree to save indemnify and keep harmless the City of Cupertino against liabilities,judgments, ARCHITECT'S DECLARATION costs,and expenses which may accrue against said City in consequence of the I understand my plans shall be used as public records. granting of this permit.Additionally,the applicant understands and will comply with all non-point source regulations per the Cupertino Municipal Code,Section Licensed Professional 9.18. Signature Date ALTERNATIVE ENERGY PERMIT APPLICATION COMMUNITY DEVELOPMENT DEPARTMENT• BUILDING DIVISION 10300 TORRE AVENUE•CUPERTINO, CA 95014-3255 CUPERTINO (408) 777-3228 • FAX (408)777-3333• buildin (a cupertino.or_q PROJECT ADDRESS r 12 APNN ( S r _02 OWiJERNAME �)ax-40 A PHONE �{ �' E-MAIL STREET ADDRESS �� _ , � CITY, STATE,ZIP 9 .�� Q AX CONTACT NAME V✓` Vb,PHONE s Iie�' 9 E-MAINil- if L �1, S® 1A�j L V �C- 'bW t�� 1 STREET ADDRESS �F � CITY,STATE, ZIP � /� ) FAX E-1 OWNER ❑ OWNER-BUILDER ❑` OWNER AGENT XCONTRACTOR CONTRACTOR AGENT ❑ ARCHITECT ❑ ENGINEER ❑ DEVELOPER ❑ TENANT CONTRACTOR NAME\ �r ilk�M� LI NU •M ER 79LICENSE TYPE BUS.LIC H COMPANY NAME_ ;1e �5 x�ll^^ E-MAIL ^ ��\�t11`�M� aE, r ,. _ STREET ADDRESS 2 `_`l1 �{ 1 CITY,STAT ZIP `J e CW �2 / PHONE HI ARCTECT/ENGINEER NAME 1 LICENSE NUMBER a BUS.LIC d COMPANY NAME E-MAIL FAX STREET ADDRESS CITY,STATE,ZIP PHONE USE OF SFD or Duplex ❑ Multi-Family PROJECT IN WILDLAND PROJECT IN STRUCTURE. ❑ Commercial URBAN INTERFACE AREA ❑ Yes NO FLOOD ZONE Cl Yes INo P� __7 OLAR PANELS ❑ ELECTRIC VEHICLE CHARGING STATION ❑ SOLAR WATER HEATING E3 OTHER: FOR SO%IRPANEI_S. NUMBER OF PANELS/UNITS: fJq HKILOWATTS: �jGJ TOTAL VALUATION. DESCRIPTIONOFWORK 7 �� /, j `7. JQL� Moe f RCEP✓ED BYi`I :. N 1\ �Af\ r\ w By my signature below,I certify to ch of the f II (\au pr e o er or authorized agent to act on the property owner's behalf. I have read this application and the information I hav pr vided ' c d t cri tion of Wo.' and verify it is accurate. t agree to comply with all applicable local ordinances and state laws relating to b 'Id g co s u o ere re nta ves F upertino to enter the above-ide tified r e for insPe tion purposes. Signature of Applicant/Agenr. Date: SUPPLEMENTAL FO MATION REQUIRED OFFICE USE ONLY OVER-THE-COUNTER G ❑ EXPRESS .L U ❑ STANDARD U z: a ❑ LARGE J a MAJOR PYAp,o_20I2.doc revised 06/20112 CITY OF CUPERTINO FEE ESTIMATOR - BUILDING DIVISION ADDRESS: 20128 PACIFICA DR DATE: 11/19/2013 REVIEWED BY: Mendez APN: BP#: ` *VALUATION: 1$29,500 rPERMIT TYPE: Building Permit PLAN CHECK TYPE: Alteration / Repair PRIMARY SFD or Duplex PENTAMATION SOLAR-RES USE: PERMIT TYPE: WORK INSTALL PV SYS-rEM ON ROOFTOP 7.3 KW 29 PANELS SCOPE Plan 11cc.flan Ch ck ,?tech. Permit Fee. Plumb. Permit Fee: Glee.Permit Fee. Other Afec•h.Insp. Other Plumb InspLi Other Elec. Insp. 07-- Meek Insp,Fee: Plumh. Insp. Fey Iacr_Insp.Fac, NOTE: This estimate does not include fees due to other Departments(i.e.Planning,Public Works, Fire,Sanitary Sewer District,School District,etc.). Thesefees are based on the prelimina information available and are only an estimate Contact the'Dept-for addn'l info. FEE ITEMS (Fee Resolution 11-053 Eff 7/U13) FEE QTY/FEE MISC ITEMS Plan Check Fee: $0.00 = # Alternative Energy System Suppl. PC Fee: E) Reg. Q OT 0.0 hrs $0.00 $229.00 IPHOTOVRES Photovoltaic System PME Plan Check: $0.00 Permit Fee: $0.00 Suppl. Insp. Fee:Q Reg. Q OT 0.0 hrs $0.00 PME Unit Fee: $0.00 PME Permit Fee: $0.00 Consit-fiction Tax: Administrative Fee: Work Without Permit? 0 Yes (j) No $0.00 Advanced Planning Fee: $0.00 Select a Non-Residential 0 Travel Documentation Fees: Building or Structure Strong Motion Fee: IBSEISMICR $2.95 Select an Administrative Item Bldg Stds Commission Fee: IBCBSC $2.00 SUBTOTALS: $4.95 $229.00 TOTAL FEE: $233.95 Revised: 10/01/2013 ALTERNATIVE ENERGY PERMIT APPLICATION COMMUNITY DEVELOPMENT DEPARTMENT• BUILDING DIVISION 10300 TORRE AVENUE •CUPERTINO, CA 95014-3255 (408) 777-3228• FAX (408) 777-3333• buildino(a cupertino.org CUPERTINO jj C " PROJECT ADDRESS c2 APNk CC// G OWNER NAME PHONE E-MAIL STREET ADDRESS CITY, STATE,ZIP FAX CONTACT NAME PHONE E-MAIL STREET ADDRESS CITY,STATE. ZIP FAX ❑ OWNER ❑ OWNER-BUILDER ❑ OWNER AGENT ❑ CONTRACTOR ❑CONTRACTOR AGENT ❑ ARCHITECT ❑ ENGINEER ❑ DEVELOPER ❑ TENANT CONTRACTOR NAME, \ 1 f LICENSE NUMBER -78, TLICENSE t` TYPE BUS.LIC N COMPANY NAME VN UVB E MAIL��1nC� lfs��11�G y� FAX Lj STREET ADDRESS Y /1 CITY,STATE,ZIP cD cA�J !,s PHONE,5I6^332-7V ARCHITECT/ENGINEER NAME LICENSE NUMBER BUS.LIC x COMPANY NAME E-MAIL FAX STREET ADDRESS CITY,STATE,ZIP PHONE USE OF ❑ SFD or Duplex ❑ Multi-Family PROJECT IN WILDLAND PROJECT IN STRUCTURE. ❑ Commercial URBAN INTERFACE AREA ❑ Yes ❑ NO FLOOD ZONE ❑ Yes ❑ NO ❑ SOLAR PANELS ❑ ELECTRIC VEHICLE CHARGING STATION ❑ SOLAR WATER HEATING ❑ OTHER: FOR SOLAR PANELS: NUMBER OF PANELS/UNITS: 9 KILOWATTS: TOTAL VALUATION DESCRIPTION OF WORKP::!0j,�GrU0-- Q t)\)e ^I cw u 5 5C-4 v6c ' v✓i � � C � 1 � - S rr A 6M RECEIVED 8Y: By my signature below,I certify each f t e n am t roperty or orized agent to act on the property owner's behalf. I have read this application and the info mation I h ve pr id ( av the Desc owner. n of Work and verify it is accurate. 1 agree to comply with all applicable local ordinances and state laws relating to uild t1 1 th re ntativesof Cupertino to enter the above- entif pope, for spec ion purposes. Signature of Applicant/Agent: Date: SUPPL MENTAL INFORMA N REQUIRED OFFICE USE ONLY ❑ OVER-THE-COUNTER a r F' ❑ EXPRESS U ❑ STANDARD U J'. ❑ LARGE ❑'-MAJOR PVApp_2012.doc revised 06/20/12 ETVED EC PV Engineering & Design: FEB 18 2414 Original Date: 11/19/2013 Amended Date: 2/18/2014 BY Project Location: 20128 Pacifica Dr, Cupertino, CA 95014 Client: Naidu Bolineni Proposed Estimated Project Cost: $29,500 Proposed Project Cost System Size: 7.540kWh DC/ 5.880kWh AC CEC System Specifications: Net Metering Enphase Envoy Monitoring, South Array (12) Canadian solar CS6-260m/Enphase M215 micro inverter south bound, West Array(17) Canadian solar CS6- 260m/Enphase M215 micro inverter, (5) junction boxes Rain Proof Red Dot single gang 3outlets , (2) junction box Rain Proof Red Dot double gang 4 outlets, (2) Square D AC lockable disconnects DU221- NR NEMA 3R rated, (2) dual pole Circuit breakers @ service (1) south bound array @ 15 amps, (1) west bound array @ 20amps, Enphase Engage Trunk Cable 12AWG, Racking System Unirac Solar Racking i)FFICE CO� .' CUPERTING Buildinq Department FEB 18 2014 r CVIEVIJED FOR CODE COMPLIANCE keviewed By. JI--91 X4 - 1 Page 1 of 5 Angelic Con t It 'c ns Iti #937823 Signature: Calculation(S): • Over Current Protection/System Derate- South Bound Array System Over Current Protection: Enphase MAX current output .9 RMS amp *240V. .9X12= 10.8(1.25)=13.5amps (15amp dual pole circuit breaker) West Bound Array System Over Current Protection: Enphase MAX current output .9 RMS amp @ 24-OV. .9X17=15.3(1.25)= 19.125amps (20amp dual pole circuit breaker) Amended Material: (1)1" conduit IMC to be supplied for home run of bouth south and west arrays. 3/4" IMC to be supplied per disconnects. Rigid is not required as there is no path of vehicular traffic. Flex Liquid tight 3/4" is acceptable for disconnect, and subarray interconnections. Supplier no longer carried CS6P-255m, so PV panels were substituted with CS6P-260m of higher conversion efficiency, same dimension panel as CS6P-255m. New calculations supplied. CS6P-260m meets the requirements of micro inverter mppt. (1) panel was moved to west bound array from south bound as design lay out dimension per-scale had incroW&VT e. Building Department 71 18 2014 r..[-�'IEvuED FOR CODE COMPLIANC . reviewed By Page 2 of 5 Angelic Cons u tjdl�"� t It 'c 'o ult g IC# 23 Signature: °y"�- 2/18/2014 PVWatts v2:AC Energyand Cost Swings AC Energy PW- & Olpt , Wa s Cost Savings 'Naidu Bollineni Contract Revision West Bound Station Identification Results Cell ID: 0174348 Solar AC Energy i Month Radiation State: California Ener y Value (kWh/m2/day) (kWh) �$) Latitude: 37.5 °N -� (� 2.49 242 37.66 Longitude: ` 122.0 ° W �� ` � ' de: 1 L____2 3.50 316 a 49.18 PV System Specifications F 4.43 449 69.87 DC Rating: 4.42 M 1 41 5.78 j _ 561 87.30 DC to AC Derate Factor: 110.780 5 6.63 670 104.27 AC Rating: i 3.45 kW = 7.39 - 709 110.33 Array Type: Fixed Tilt _- 7.47 _737 _ 114.69 Array Tit: 18.2 ° ! 6.65 654'1 101.78 Array Azirrnrth: 255.5 ° I 5.62 536 83.41 4.22 414 Energy Specifications =10 64.43 Cost of Electricity: -- 15.6 0/kWh 11 2.89 268 41.71 12 2.36 226 35.17 ILJI Year _...____4._96 � - 5783 899.95 3 Ifs Output Results as Text 9 i Saving Text from a Browser (Gridded data is monthly,hourly output not available.) LI Run PVWATTS v.2 for another location 'w Ru rica5e send que5bon5 and comments to yye6ma5ter �� Q 1 , , µ Fr�� Disclaimer and copyright notice. -- KK,-[)C home Page(httP://rr,-Jc.nrA,gov) reviewed By. d hitp://rredc.nrel.g ov/solar/cal cul ators/PVWATTS/\ersion2/pwvattsJ2.cg i 1/1 2/18/2014 PVWatts v2:AC Energy and Cost Saungs AC Energy ut & for IrttvPreiting Wo S Cost Savings the F4wtts INaidu Bollineni Contract South Bound Revision calculation q/\Q� - Station Identification Results I -------...__.._...---------------___-------_----------______..______..______ - -- _..._.._..._._.._._. Cel11D: 0174348 Solar AC Energy I Month Radiation ! Energy Value State: Califomta ( (kWh/nr /day) (kWh) ( ) Latitude: 37.5 °N 3.06 216 33.61 F,�ng7itude: 122.0 ° W 2 __..--------4.09-._j 265 41.24 PV System Specifications L_ _! 4.88 I� 349 54.31 j DC Rating: 3.12 kW 4 6.15 ( — 418 1 = 65.05 [!�C to AC Derate Factor: 0.780 6.7. 3 — 478 — 74.39 AC Rating: 2.43 kW 7.25 488 75.94 Array Type: Fixed Tilt — 7.41 514 79.99 Array Tilt: 18.2 ° 6.77 467IL 72.67 Array Azh-uAh: 11165.5 ° I 6.10 406 63.18 ' Energy Specifications _ 0 4.89 340 52.91 Cost of Electricity: 15.b ¢/kWh 11 3.59 24� ] 4 37.97 12 2.95 l4393 683.64! --- Year 5.33 J i Output Results as Text (Gridded data is monthly,hourly output not available.) Saving Text froma Browser Run PVWATTSv.2foranotherlocations.'�'�! s1 ATTSv.I . Please send questions and comments to W,kmaster Disclaimer and copyneshtnotice. i�E.VIEV'VEU FOR CUOE l'U(1fIPLIANCE Reviewed-13Y'fo ' KK,-DC home pa�ae(kttp://rrcJc.nrel.gov) g http://rredc.nrel.g ov/sol ar/cal cul ators/PVWATTSA.ersion2/pvmatts\t2.cg i 1/1 _rCanadianSolar Make The Difference • P-255 1260M THE BEST IN CLASS Canadian Solar's modules are the best in class in terms of power output and long term reliability. Our meticulous product design and stringent quality control ensure our modules deliver a higher PV energy yield in live PV system as well as in PVsyst's system simulation. Our in-house PV testing facilities guarantee all module component materials meet the highest quality standards possible. mm'Black frame product Is optional PRODUCT WARRANTY&INSURANCE PRODUCT KEY FEATURES - 100% Added Value Fro Excellent module efficiency eo/ m Warranty up to 16.16% 80 .. _ .,. 0% 5 10 1S ^^20 25 Outstanding performance at low irradiance above 96.5% 2S Year Industry leading linear power output warranty 10 Year Product warranty on materials and workmanship Positive power tolerance up to 5w Canadian Solar provides 100%non-cancellable,immediate warranty insurance High PTC rating up to 91.31% PRODUCT&MANAGEMENT SYSTEM I CERTIFICATES IEC 61215/IEC 61730:VIDE/MCS/CE/CEC AU/CQC UL 1703/IEC 61215perior ce:CEC listed(� lorid� Self-cleaning&anti-glaring UL 1703:CSA I IEC!61701 EDDE I IEC 6271 6 SGS module surface available UN19177 Reaction.to Fire:Cfas 1 Building Department IS09001;2008 1 Quality management� �} ISOTS16949:2009'' ITheautdmotiveindustr u6� PI nagementsystem RIP67 junction box available IS014001:2004 (_Standards for environmental management system long-term weather endurance QC080000:2012 '` T'hl tV fGieC6Nhu�_0ct a � r e$pro,ctg-s��s.management OHSAS 18001:2007 1 International standards foroccupatlon� triYand safety 'Pleasecontact your sales represed[ativb Wthoettflrof certifiw�gRlicablet radu s Heavy snow load up to 5400pa CANADIAN SOLAR INC. Founded in 2001 in Canada, Canadian Solar Inc., (NASDAQ:CSIQ) is one of the world's largest and foremost solar power companies.As a leading manufacturer of Salt mist,ammonia and blowing sand solar modules and PV project developer with about 6 GW of premium quality resistance,apply to seaside,farm and modules deployed around the world in the past 12 years,Canadian Solar is one of desert environment the most bankable solar companies in Europe, USA, Japan and China. Canadian Solar operates in six continents with customers in over 70 countries and regions. Canadian Solar is committed to providing high quality solar products,solar system solutions and services to customers around the world. www.canadiansolar,corn Canadian Solar Inc. �� , rCanadianSolar Make The Difference ELECTRICAL DATA I STC MODULE ENGINEERING DRAWING Electrical Data CS6P-255M CS6P-260M - --- — Nominal Maximum Power (Pmax) 255W 260W Rear View Frame Cross Section Optimum Operating Voltage(Vmp) 30.5V 30.7V Optimum Operating Current(Imp) 8.35A 8.48A Open Circuit Voltage(Voc) 37.7V 37.8V Short Circuit Current(Isc) 8.87A 8,99A Section A.-A Module Efficiency 15.85% 16.16% 35 0 Operating Temperature -40°C"'+85°C Maximum System Voltage 1000V(IEC)/1000V(UL)/600V(UL) j Maximum Series Fuse Rating 15A _ I ------ Application Classification ClassA j o 0 Power Tolerance 0-+SW I v 'Under Standard Test Conditions(STC)of irradiance of 1000W/m',spectrum AM 1.5 and cell temperature of 25*C j j - 11.5 ELECTRICAL DATA I NOCT Electrical Data CS6P-255M CS6P-260M Nominal Maximum Power (Pmax) 184W 188W _ .......... Optimum Operating Voltage(Vmp) 27.8V 28.OV Optimum Operating Current(Imp) 6.62A 6.70A Open Circuit Voltage(Voc) 34.6V 34.7V CS6P-260M I-V CURVES Short Circuit Current(Isc) 7.18A 7.28A 'Under Nominal Operating Cell Temperature(NOCT),irradiance of 800 W/m',spectrum AM 1.5, - - -- --- - -- - - - -- ambient temperature 20`C. 10 - 10 t MODULE MECHANICAL DATA a 8 75C 27Specification Data CellType Mono-crystallirte 156 x 156mm a6Cell Arrangement 60(6 x 10) s s Dimensions 1638x982x40mm(64,Sx38.7x1.57in)Weight 18,5kg(40.8 lbs) 4 4 FrontCover 3.2mm tempered glass 31 3 Frame Material Anodized aluminium alloy 0w/m22 --800 / 2 21-BOXIP65 or1P67,3 diodes 1 -60ow/m2 f.Cable 4mm'(IEC)/4mm'&12AWG 1000V(UL1000V)/ __goow/mz 12AWG(UL60OV),1000mm 0'L'- __ 0 Connectors MC4 or MC4 comparable 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 45 Standard Packaging 24pcs,504kg(quantity and weight per pallet) voltage(v) voltage(v) Module Pieces per Container 672pcs(40'HQ) TEMPERATURE CHARACTERISTICS Specification Data Parti — CUPERTINO Temperature Coefficient(Pmax) -0.45%/°C auildinq Danartrne Tt Temperature Coefficient(Voc) -0.3S%/°C a Temperature Coefficient(Isc) 0.060%/°C 1 Uo'fi Nominal Operating Cell Temperature 4S±2°C t _ _f f F V i PERFORMANCE AT LOW IRRADIANCE -v\/EL) FOR GODE GOIV PF PANG: Industry leading performance at low irradiation environment, +96.5% module efficiency from an irradiance of 1000w/m'to 200w/m2(AM 1.5,25-C) 'The specifications made herein may deviate slightly and are not guaranteed.Due to ongoing innovanon,research and product enhancement we reserve the right to make any od/usrment.c to the information contained herein at any time without nonce..Please always obtain the mast recent revision of do rushee,which shall be duly incurparated into the binding can tract mode by the parties governing all transactions related to the purchase and so le of the products describedherem. Dec,www.canadiansolar.corn Canadian Solar Inc, o vhf , W -�19 p M �l 00 O U l~L Ln L. J u m c !n fJ G ° ;` N 'Q i CUPERTINO Q c t a C O 1 ! Auildinq Do N ° u n u u " � y c 12 Ln O ^ � E O / t 4- um C u QJ o a o —awtw = 00 m n In N = c Q m CL C) QC co r-4 CO N Z vd aEi ani �' °J - ago 5. 5. ' 3 0 cn cn Q 0 V D PV Engineering & Design: ' Date: 11/19/2013 Project Location: 20128 Pacifica Dr, Cupertino, CA 95014 Client: Naidu Bolineni Proposed Estimated Project Cost: $29,500 Proposed Project Cost System Size: 7.395kWh DC/ 5.77kWh AC CEC System Specifications: Net Metering Enphase Envoy Monitoring, South Array (13) Canadian solar CS6-255/Enphase M215 micro inverter south bound, West Array(16) Canadian solar CS6- 255/Enphase M215 micro inverter, (2) junction boxes Rain Proof Red Dot single gang 3outlets , (1) junction box Rain Proof Red Dot double gang 4 outlets, 2 Square D AC lockable disconnects DU221- NRB NEMA 3R rated, (2) dual pole Circuit breakers @ service (1) south bound array @ 20 amps, (1) west bound array @ 2Oamps, Enphase Engage Trunk Cable 12AWG, Racking System Unirac ' Solar Racking o NMI'a CUPERTINO ID J a� 0 j _ Building department t'Lo'1' MANS I � NOV 19 2013 S I o G° 0 m � iiCfi�GK� UY � a a5 � :e ° ( ,j REVIEWED FOR CODE COMPLIANCE. > o U,, a ° �� I�� Reviewed B /may - = c ui ;. DATE. y U o [6 `O a � -- o C � T �T' T., " �� a _moriCtJ 0- (J P y o o `2 � � � 15 o � ;� DATi�. c rn o N °' Qgam, DEPTy a � L $ o o ° Q E �- v, in C* w o } o a m CP O Angelic Const c ' k\\1i Itin LIC#937823 OFFICESignature: r Calculation(S): • System Weight Per SQ/FT- Canadian Solar CS6-255M Gross Panel Weight 41.9LB. Panel Dimension 5.37'X 3.225'=17.31 SQ/FT 4}x.9/17.31 v 2.41LB SQ/FT Enphase Inverter M215 Gross Weight 3.5LB Added weight per panel 3.5/-17.3= .2 LB per SQ/FT Total Gross System Weight Per SQ/FT 2.41+.2= 2.61LB SQ/FT • Over Current Protection/System Derate- South Bound Array System Over Current Protection: Enphase MAX current output lamp *240V. 1X13= 13(1.25)--16.15amps (20amp dual pole circuit breaker) South Bound Array DeRate: PVWATTS rational Renewable Energy Laboratories Calculator, DeRate 78% for voltage drop, angle of incidents, cloud cover, shade, dust soiling Page 2 of 6 Angelic Con r i LI -cCpnsulting LIC#937823 Signature: �falls cyto.c .(�Ipf(I&-H sf .d a��arte. system specGc.tia.s-CECIC m He4s 6vs idamxiiw aba.t syricm specekso ns.To use a DC to AC dente fw w other d=the dd ux&*xi D.-t.Faaw Mp foe i Ibmw hm_ Sgt L-6— Cd @ 0174348 Smte'. C.V.— Lam"dr'. 37.465 Lam': -122039 DC Rang Qcsx 3315 DC w AC Daae Famr. 0.78 Away Type F-d TA Q Feed Tit or 1-Axis Trach SyA= An.y Tit(degees): 182 ArtW Am.*(degeesk :165. --�ow.* Tme S_d{ Fatcn➢amu: CuudF7naic8y(crmklk3k t5662 MiP R.s.I FoIm � its '#C Energy Q Cost Savings avp. nese ec.;yea_as F:>a ,; - i Station Identification Results ---- - � C.H ID: 01 4_.4S AC &;iR,. state 1 CaQ— \Sem6 Radonoa Fmgy � VAw Latmdc -.5 \ 3.06_ 229 35.64 Lmpmde "'0 :�: 3 89 ' � � '-�-- 09 2 43bS PV System Specifications L 3 .ss� �a,� 57.74 DC Ra13.32k—W6.1'4 L 1 443 69.10 �. L4 '_� K to AC Dcrau Factor. 9.'S(1 5 6 50^8 1a'OS AC Rang -2c9 F;3i rr 6I -1c c19 £3" Asrey Type. IF"d TI,.—_ r 7_--- �41 536 1r £-i 9- Acre lit - E—Ts 677 Array Anon& IF, 5 - ;=1 6.I0 �V331. Energy Specifications 10 4.89 361 56.13 —_ 4031 Cmt dFlcNksy �_t,_ i�-`J 11 339 259 ,339' fear 533 364' .26--8. -- OttVtt WctAa a.Ta¢i TrsAi.idptr +wewNrseaJ--- Snzg Tat teas Bro-sa �a WSYA775•l by aasshrbyma. FmRWATT5.1 West Bound Array System Over Current Protection: Enphase AWrrtoutput 1 amp @ 240V. Page 3 of 6 Angelic Co tg LIC#937823 Signature: 1X16=16(1.25)= 20amps (20amp dual pole circuit breaker) West Bound Array DeRate: PVWATTS National Renewable Energy Laboratories Calculator, DeRate @ 78% for voltage drop, angle of incidents, cloud cover, shade, dust soiling p ea��c f3ck on Calralate Ckk :ghees f xcep;abie,a after,t Yang a aF/\`/;W�Ja .7 ryst®rpeeaaficatioos-Ckck on fled Car nbwmatieo ebara rntem ,pec&Mwm.To—a DC to AC dsa tactor od-Ysm da-de&&ck k on Dente Factor fldp for adm:::c. Site Locative Cd a. 0174349 State': Caw— Lam': 37.465 Longfhale�: -122-039 DC R.6%(kW'x J.u6 DC to AC Dmft Fxmr. 016 Amy Typr. Faced Tit Q Facd Tit a I•A*Traki*Sya= Array TA(dqp,—j 182 @eaa-tasude) Amy AF—&(degrta)c 255.5 01a PA-Ins 5—aan oaf IAC com of M.W"y(ced.*N6 k 16 6V `�.`}. AC Energy WI I Q s Cost Savings (Type c ra Mze c eppeez oa prinrone;—mora:rov of 30 cY.eractere.) Station Identification r Results Cd lff a'J 3'a Salm' 4C Eberg Storz C alfatva - Vemh I R�d,a�on Ears'.• Valof 86 Lotyimdc 1 ,i3 il' '".- 45.44 __-- PV System Specifications 415 64.56 DC Rating: — --- ,C48 01V J 5 78 ! 518 8061 DC to AC Dente Favors 0.786 6 63 616 9617 AC F 3.1'n kW I " � 39 J ... .. .655! 101.93 Almy Type: F zd lot._. ��___ 47 681 105.98 - ArrayT� 8 664 -_ 604 93.99 Away A-.1A 255.5' [ 9 562 ;[ 494 "686 Enefgy Specifications I 10 2 i[ 383 59.60 Cog ofEkrnirBy 15 6 r-kt;L (�11 89 38.44 L 12 236 209 i 3152 - OJpr! atib ae r-I Ra ---- RAfdYddarab .bs. vw arsladk Sa.><.g Tat6we13m+aa 0m R'OV'ATtS r.[a anadrsbeeum IOm Pttl'ATTSat =-.. Page 4 of 6 Angelic Cost of is onsulting tIC#937823 Signature: • System Data Logging and Monitoring: Enphase Envoy Communications Gateway/Enlighten Life Time Monitoring System • Method of Anchoring and Flashing: All holes for supported anchoring to be pre drilled with 1/4" drill bit. Fill all holes with henrys 208R tar compound (not standard henrys 208. Sealant must have rubberized compound in application. Apply 10 mil Butyl tape to base of L foot. Anchor bolt to 42ft/lb's of tolerance Example of Finish Product x Oil 6 Page 5 of 6 Angelic Co i o i or akl ing LIC#937823 Signature: ' '� Anchoring must be provided every 2' span of 2X4 engineered truss system. Anchoring may be provided every other 2'-8", 2X8 rafter span. • Installation Notes, Means and Methods of Installation: System shall conform and comply to NEC 2008. Installation shall conform to manufacturers installation requirements, and shall adhere, conform, and comply to CE, UL, ETL listings, for a safe operational system. Appropriate signs shall be posted at all points of lockable disconnect. Appropriates signs shall be posted at all points of conduit @ spans of every 10'. Sign will display (CAUTION: SOLAR CIRCUIT) n e Ceby ° ql �-�� Page 6 of 6 Angelic Co4tto ng LIC#937823 Signature: - --- _ zz-r--- - -Lk*ac Ralf10^- I f, CPnlaofLFat rr&ffrg , pp r E G,, 5/.,b" , Fire Access J 4i �. i Rpof NORTH cer�Le+-for C Sd At R�rl , i i SOUTH BOUND UNIRAC ANCHORING System: 7.395 kWh DC/5.77kWh AC System Type: Roof Mounted 2.41LB's SQ/FT Address: 20128 Pacifica Dr, Cupertino, CA 9501 r Owner: Naidu Bolineni Contractor: Angelic Construction Designed By: Angelic Construction Class B LIC#937823 �,� -I NORTH V 1 6* '117/8 2- 2 2'T�J'4 Z 8" 28" rz 1'0 Fft 8 Access Lk*bc RNI 'T2' CenWr ur L RoOt k1dwx NMI—_ (2)314"LB T-read-1 I 40V Breaker Breaker (2)3/4*Rigid Conk-A (1)12 AWG pff conxcU ........................ ----------------- (2) D 01221 RB 2, -- ------------ SP fl WEST BOUND UNIRAC ANCHORING System: 7.395 kWh DC/5.77kWh AC System Type: Roof Mounted 2.411-13's SQ/FT Address: 20128 Pacifica Dr, Cupertino, CA 9501 Signature: Owner: Naidu Bolineni Contractor: Angelic Construction Designed By: Angelic Construction Class B LIC#937823 22'7' E _ " . a \- id NORTH I l 1 I UNIRAC SYSTEM ANCHORING System: 7.395 kWh DC/5.77kWh AC System Type: Roof Mounted 2.41LB's SQ/FT Address: 20128 Pacifica Dr, Cupertino, CA 9501 S, n Owner: Naidu Bolineni Contractor: Angelic Construction Designed By: Angelic Construction Class B LIC#937823 4 t41 5 6 - '4' 4 _ 4 `- 2t{l g' 3'4 Fire Acce ----- ----- -----------�cam_, 1 16 � ---'--- 3 4 ---' --'---• - •---• •- 12'7 Im"5 —Fire Access t 1 ,NORTH Roof Addition llOit3�'K PHOTOVOLTAIC PANEL LAYOUT System: 7.395 kWh DC/5.77kWh AC System Type: Roof Mounted 2.411-13's SQ/FT Address: 20128 Pacifica Dr, Cupertino, CA 9501 Signature: Owner: Naidu Bolineni Contractor: Angelic Construction Designed By: Angelic Construction Class B LIC#937823 �_ (4)12 A emdilt —(2)3,4'Lf TFre�ed Type Pain Rif Eaton WE40402B200BTS 200AW 40slot/40 dradt Ntter DistrAx>tim Panel \ j (1)South Bard Pray 20AND 240V Breaker \ (1)West Band Array 20AW 240V Breaker >r' —(2)Sq.we P CU221 RB 243Vf30FiM%lackaxl cisonrrec:ts (2)MMtt MPLAYE6 WARNING:PHOTOVOLTAIC SM5TEM Jam. ---------------------- -------------- 5'5/8" i (3)6/8"X14'Ccppar G—d Rod NORTH SERVICE MAIN/PV DISCONNECTS System: 7.395 kWh DC/5.77kWh AC System Type: Roof Mounted 2.411-6's SQ/FT Address: 20128 Pacifica Dr, Cupertino, CA 9501 Signat Owner: Naidu Bolineni Contractor: Angelic Construction Designed By: Angelic Construction Class B LIC#937823 w ................. -. House Circuit Breaker for7vµC Eaton 200 AMP Disconnect Swatch Junction near m*W at PSP Wray 30 240VAC 30 AMP Enphase Trunk Cable £zreai.er SRain Proof ►iieixy lnveattf Square D - REDDOT M21 Dual Pole /Thomas M2fS p rii 20AMP 1 Betts DC from PV Panel 1" RMC Threaded Type couplers Canadian Solar F''i'F anel it4vI SOUTH BOUND SYSTEM ARRAY 13 PANELS WEST BOUND SYSTEM ARRAY 16 PANELS System: 7.395 kWh DC/5.77kWh AC System Type: Roof Mounted 2.411-13's SC!/FT Address: 20128 Pacifica Dr, Cupertino, CA 9501 Signature: ti ° t Owner: Naidu Bolineni Contractor: Angelic Construction Designed By: Angelic Construction Class B LIC#937823 � �� , e) 0 ---------------------------- (A CL CL0 z 61' > CL C r'j 00 ;o aQ 2- 0 CL (D 0 QF, Fl r) (D r) 0 F, o r) CU iIl0 CL rD Q- -4 77 cl c r'j pff 0 rD r) 0 CL 11 co WFo Un -4 00 IJ 1-7t - T 71 I-7-77 10, II I I o I I = � 0 �� 1: � � n a-------��- !r CanadianSolar 240/245/250/255/260M CS6P is a robust solar module with 60 solar cells. These modules can be used for on-grid solar applications.Our meticulous design and production techniques ensure a high-yield,long-term performance for every module produced. Our rigorous quality control and in-house testing facilities guarantee Canadian Solar's modules meet the highest quality standards possible. Best Quality 235 quality control points in module production Key Features • EL screening to eliminate product defects • High module efficiency up to 16.16%0 • Current binning to improve system performance • Accredited Salt mist/Ammonia resistance • Positive power tolerance:0-+5W Best Warranty Insurance • Robust frame to up to 5400 Pa load • 25 years worldwide coverage • Self-cleaning surface • 100%warranty term coverage • Providing third party bankruptcy rights • Outstanding performance at low irradiance • Non-cancellable • Immediate coverage . High energy yield at Low NOCT • Insured by 2 world top insurance companies Comprehensive Certificates • Backed By Our New 10/25 Linear Power Warranty . IEC 61215,IEC 61730, IEC61701 ED2,UL1703, Plus our added 25 year insurance coverage IEC62716,CEC Listed,CE and MCS 100% • IS09001:2008: Quality Management System 97% d From W clert Value • ISO/TS16949:2009:The automotive quality so o arranty management system • IS014001:2004:Standards for Environmental 80% 0% management system s 10 15 20 25 . QC080000 HSPM:The Certification for 10 year product warranty on materials and workmanship Hazardous Substances Regulations •25 year linear power output warranty • OHSAS 18001:2007: International standards for occupational health and safety �G C E ►�• . air www.canadiansolar.com CS6P-240/245/250/255/260M Electrical Data 1 STC CS6P-240 CS6P-245 CS6P-250 CSBP-255 CS611p-260M Temperature Characteristics Nominal Maximum Power (Pmax) 240W 245W 25OW 255W 260W Optimum Operating Voltage Vmp) 301V 30.3V 30AV 30.5V 30.7V Pmax -0.45%rC Optimum Operating Current(Imp) 7.95A 8.09A 8.22A 8.35A 8.48A Temperature Coefficient Voc -0.35%PC Open Circuit Voltage(Voc) 37.3V 37AV 37.5V 37.7V 37.8V Isc 0.060%rC Short Circuit Current(Isc) 8.46A 8.61A 8.74A 8.87A 8.99A Normal Operating Call Tel 45±2'C Module Efficiency 14.92% 15.23% 15.54% 15.85% 1_6.16%_ OperatingTemperature p -4(rG-+65-C Performance at Low Irradiance Maximum System Voltage 1000V IEC 1600V(UL) Industry leading performance at low irradiation Maximum Series Fuse Rating 15A environment,+95.5%module efficiency from an Application Classification ClassA irradiance of 1000w/m'to 200w/m' Power Tolerance 0—+5W (AM 1.5,25'C) Under Standard Test Conditions(STC)of irradiance of 1000W/m',spectrum AM 1.5 and cell temperature of 25'C Engineering Drawings NOCT CS6P-240M CS6P-245 CS6P-250 CS6P-255 GS6P-260 Nominal Maximum Power (Pmax) 173W 177W 180W 184W 188W Optimum Operating Voltage(Vmp) 27.5V 27.6V 27.7V 27.8V 28.OV Optimum Operating Current(imp) 6.29A 6.40A 6.51A 6.62A 6.70A Open Circuit Voltage(Voc) 34.2V 34.3V 34.4V 34.6V 34.7V I Short Circuit Current(Isc) 6.85A 6,97A 7.08A 7.18A I 7,28A II Under Normal Operating Cell Temperature,Irradiance of 000 W/m',spectrum AM 1.5,ambient temperature 20C, wind speed 1 m/s Mechanical Data Cell Type Mono-crystalline 156 x 156mm,2 or 3 Busbars Cell Arrangement 60(6 x 10) i Dimensions 1638 x 982 x 40mm(64,5 x 38.7 x 1,57in) Weight 1 9k(41.9 lbs) Front Cover 3.2mm Tempered glass Frame Material Anodized aluminium allay J-BOX IP65 or IP67,3 diodes Cable 4mttn'(IEC)/12AWG(UL),1000mm Connectors MC4 or MC4 Comparable i Standard Packaging(Modules per Pallet) 24pcs Module Pieces percontainer(40 ft.Container) 672pcs(40'HO) 41 I -V Curves (CS6P-250M) i i i i 'Specifications included in this datasheat are subject to change without prior notice. About Canadian Solar Canadian Solar Inc. Is one of the world's largest solar Canadian Solar was founded in Canada In 2001 and was companies. As a leading vertically-integrated successfully listed on NASDAQ Exchange (symbol: CSIQ) In manufacturer of Ingots,wafers,cells,solar modules and November 2006.Canadian Solar has cell manufacturing capacity solar systems, Canadian Solar delivers solar power of 1.5GW and module manufacturing capacity of 2.3GW. products of uncompromising quality to worldwide customers. Canadian Solar's world class team of professionals works closely with our customers to provide them with solutions for all their solar needs. Headquarters 1545 Speedvale Fax +1 519837 2550 www.canad an solar.cot n EN-Rev 3.52 cwyyigm F 2013 Canadian Solar Inc. Enphase®Microinverters Enphase,@M215 I enphase N E R G Y The °nphase' Microinverter Systern improves energy harvest, increases reliability, and dramatically simplifies design, installation, and management of solar power systems. The Enphase System includes the microinverter, the Envoy® Communications Gateway,'"and Enlighten,' Enphase's monitoring and analysis software. PRODUCTIVE SMART - Maximum energy production - Quick and simple design, installation, - Resilient to dust, debris and shading and management - Performance monitoring - 24/7 monitoring and analysis RELIABLE SAFE - System availability greater than 99.8% - Low-voltage DC - No single point of system failure - Reduced fire risk [e] enphaw SA° E N E R G Y c us Enphase®M215 Microinverter//DATA INPUT DATA(DC) M215-60-2LL-S22/S23 and M215-60-2LL-S22-NA/S23-NA (Ontario) Recommended input power(STC) 190-270 W Maximum input DC voltage 45 V Peak power tracking voltage 22-36 V Operating range 16-36 V Min./Max.start voltage 22 V/45 V Max. DC short circuit current 15 A Max. input current 10.5 A OUTPUT DATA (AC) @208 VAC ®240 YAC Rated(continuous)output power 215 W 215 W Nominal output current 1.0 A (Arms at nominal duration) 0.9 A(Arms at nominal duration) Nominal voltage/range 208/183-229 V 240/211-264 V Extended voltage/range 179-232 V 206-269 V Nominal frequency/range 60.0/59.3-60.5 Hz 60.0/59.3-60.5 Hz Extended frequency range 57-60.5 Hz 57-60.5 Hz Power factor >0.95 >0.95 Maximum units per 20 A branch circuit 25(three phase) 17(single phase) Maximum output fault current 1.05 Arms, over 3 cycles; 1.04 Arms over 5 cycles EFFICIENCY CEC weighted efficiency 96.0% Peak inverter efficiency 96.3% Static MPPT efficiency(weighted,reference EN50530) 99.6% Dynamic MPPT efficiency(fast irradiation changes, reference EN50530) 99.3% Night time power consumption 46 mW MECHANICAL DATA Ambient temperature range -40°C to+65°C Operating temperature range(internal) -40°C to+85°C Dimensions(WxHxD) 17.3 cm x 16.4 cm x 2.5 cm(6.8"x 6.45"x 1.0')without mounting bracket Weight 1.6 kg(3.5 lbs) Cooling Natural convection- No fans Enclosure environmental rating Outdoor-NEMA 6 FEATURES Compatibility Pairs with most 60-cell PV modules Communication Power line Monitoring Free lifetime monitoring via Enlighten software Compliance UL1741AEEE1547,FCC Part 15 Class B CAN/CSA-C22.2 NO.0-M91, 0.4-04, and 107.1-01 To learn more about Enphase Microinverter technology, [e] enphase- visit iphaSexcirri E N E R G Y ?013 Enphase Energy.All rights reserved.All trademarks or brands in this document are registered by their respective owner. Engage Cable System and Accessories EnphaseaEngage Cable WO The Engage TM Cabl is a continuous length of 12AWG cable with pre-installed connectors for Enphase Microinverters. The cable is handled Like standard outdoor-rated electrical wire, allowing it to be cut, spliced and extended as needed. The Engage Accessories complement the Engage Cable and give it the ability to adapt to any installation. FLEXIBLE - Quick installation - Simple design - No high voltage DC - Large branch capacity - No additional cables - Reduced fire risk [e] enphase° �A® E N E R G Y C us Enphase®Engage Cable System//DATA CABLE TYPES/ORDERING OPTIONS Voltage Connector Spacing PV Module Orientation Model Number #Connectors` Weight- 240 VAC,4 conductors 1.025 meter(40") Portrait ET10-240-40 40 40 lbs 240 VAC,4 conductors 1.7 meter(67") Landscape ET17-240-40 40 45 lbs 208 VAC,5 conductors 1.025 meter(40") Portrait ET10-208-30 30 30 lbs 208 VAC,5 conductors 1.7 meter(67") Landscape ET17-208-30 30 35 lbs 'addi-tional lengths available through Enphase authorized distributors."weights are approximate CABLE SPECIFICATIONS Description Rating Cable temperature rating 90°C(194°F)wet/dry Cable insulator rating THWN-2 UV exposure rating UL 746 C, F1 Conductor size 12AWG Compliance IEC 60529 IP67, CAN/CSA 22.2 No. 21, 182.3, UL 486A/B, 514C,6703,and 9703 Cable rating TC-ER Cable Diameter 1.25 cm(0.49'1 Minimum bend radius 12 cm(4.75") ENGAGE ACCESSORIES Branch Terminator Disconnect Tool One terminator needed per branch Plan to use at least one per circuit installation ET-TERM-10(sold in packs of 10) ET-DISC-05(sold in packs of 5) Watertight Sealing Cap Cable Clip ® One needed to cover each unused Many needed to fasten cabling connector on the cabling to the racking or to secure looped ET-SEAL-10(sold in packs of 10) cabling ET-CLIP-100(sold in packs of 100) Engage Coupler rs Used for splicing two power cables within an array ET-SPLK-05(sold in packs of 5) To learn more about Enphase Microinverter technology, [e] enphase visit tnphasexoir E N E R G Y 0 2013 Enphase Energy.All rights reserved.All trademarks or brands in this document are registered by their respective owner. Envoy Communications Gateway Envoy Communications Gateway TM a ' The Enphase Envoy''' Communications Gatev, is the networking hub for the Enphase Microinverter System. System owners can easily check the status of their solar system using the Envoy's LCD display or they can get more detailed information through Enlighten® Enphase's web-based monitoring and analysis software, included with purchase of Envoy. SMART SIMPLE RELIABLE - Includes web-based monitoring& -Plug &play installation - 24/7 monitoring &analysis control -Automatic upgrades&diagnostics -Advanced data management& - Integrates with smart energy devices storage rr enphase� CRL � E N E F G Y CS Envoy Communications Gateway//DATA INTERFACE Power Line Communications Enphase proprietary Local Area Network(LAN) 10/100 auto-sensing,auto-negotiating POWER REQUIREMENTS AC supply 120 VAC, 60 Hz Power consumption 2.5 watts typical,7 watts maximum CAPACITY Number of microinverters polled Recommended up to 500 For commercial installations, multiple Envoy devices are used in combination with Line Communications Filters (LCF)to separate networking domains across the site. MECHANICAL DATA Dimensions(WxHxD) 222.5 mm x 112 mm x 43.2 mm(8.8"x 4.4"x 1.7") Weight 340 g(12 oz.) Ambient temperature range -40°C to+65°C(401 to 149°F) Cooling Natural convection—no fans Enclosure environmental rating Indoor NEMA 1 FEATURES Standard warranty term One year Compliance UL 60950-1,EN 60950-1 FCC Part 15 Class B fo earn more bout Enphase microinverter technology, M l e® Q ten hale cvout Enphase microinverter technology, [01R G y vise en ase.com ®2013 Enphase Energy.All rights reserved.All trademarks or brands in this document are registered by their respective owner. 0 2013 Enphase Energy.All rights reserved.All trademarks or brands in this document are registered by their respective owner, SO RMOUNA Code-Compliant Installation Manual 227.3 U.S.Des.Patent No.D496,248S,D496,249S. Other patents pending. • • i Table of Contents i.Installer's Responsibiiities.............. ............ ....................... ......... .......2 Part I.Procedure to Determine the Design Wind Load........................... ........... .....3 Part II.Procedure to Select Rail Span and Rail Type...... ....................... ............ . .. .10 Part III.Installing SolarMount [3.1.]SolarMount rail components........ .. ......... .............. ...............14 [3.2.]Installing SolarMount with top mounting clamps.... ...........................15 [3.3.]Installing SolarMount with bottom mounting clips .............................21 [3.4.]Installing SolarMount with grounding clips and lugs.............. .......... ....25 a" UNIRAC go an A HILTI GROUP COMPANY Unirac welcomes input concerning the accuracy and user-friendliness of this publication.Please write to publications@unirac.com_ 0d"I U N I RAC Unirac Code-Compliant Installation Manual SolarMount L Installer's Responsibilities Please review this manual thoroughly before installing your SolarMount is much more than a product. SolarMount system. It's a system of engineered components that can be assembled This manual provides(1)supporting documentation for into a wide variety of PV mounting structures.With building permit applications relating to Unirac's SolarMount SolarMount you'll be able to solve virtually any PV module Universal PV Module Mounting system,and(2)planning and mounting challenge. assembly instructions for SolarMount It's also a system of technical support:complete installation SolarMount products,when installed in accordance with and code compliance documentation,an on-line SolarMount this bulletin,will be structurally adequate and will meet Estimator,person-to-person customer service,and design the structural requirements of the IBC 2009,ASCE 7-05 assistance to help you solve the toughest challenges. and California Building Code 2010(collectively referred to This is why SolarMount is PV's most widely used mounting as"the Code'D.Unirac also provides a limited warranty on system. SolarMount products(page 26). QThe installer is solely responsible for: • • Complying with all applicable local or national building codes, including any that may supersede this manual; • Ensuring that Unirac and other products are appropriate for the particular installation and the installation environment; • Ensuring that the roof, its rafters, connections, and other structural support members-can support the.array under all code level loading conditions (this total building assembly is referred to as the building structure); • Using only Unirac parts and installer-supplied parts as specified by Unirac (substitution of parts may void the warranty and invalidate the letters of certification in all Unirac publications); • Ensuring that lag screws have adequate pullout strength and shear capacities as installed; • Verifying the strength of any alternate mounting used in lieu of the lag screws; • Maintaining the waterproof integrity of the roof, including selection of appropriate flashing; • Ensuring safe installation of all electrical aspects of the PV array; • Ensuring correct and appropriate design parameters are used in determining the design loading used for design of the specific installation. Parameters, such as snow loading,wind speed, exposure and topographic factor should be confirmed with the local building official or a licensed professional engineer. Payc 2 SolarMount Unirac Code-Compliant Installation Manual p:F U N I RAC Part I. Procedure to Determine the Design Wind Load [1.1.] Using the Simplified Method -ASCE 7-05 The procedure to determine Design Wind Load is specified for more clarification on the use of Method I.Lower design by the American Society of Civil Engineers and referenced in wind loads may be obtained by applying Method 11 from ASCE the International Building Code 2009. For purposes of this 7-05.Consult with a licensed engineer if you want to use document,the values,equations and procedures used in this Method II procedures. document reference ASCE 7-05,Minimum Design Loads for The equation for determining the Design Wind Load for Buildings and Other Structures. Please refer to ASCE 7-05 if components and cladding is: you have any questions about the definitions or procedures presented in this manual.Unirac uses Method 1,the AKzt7 Simplified Method,for calculating the Design Wind Load for pnec(PSD —— pner3o pressures on components and cladding in this document. pnet(psf) =Design Wind Load The method described in this document is valid for flush,no tilt,SolarMount Series applications on either roofs or walls. A=adjustment factor for building height and exposure category Flush is defined as panels parallel to the surface(or with no more than 3"difference between ends of assembly)with no Kzt= Topographic Factor at mean roof height,h(ft) more than 10"space between the roof surface,and the bottom I=Importance Factor of the PV panels. This method is not approved for open structure calculations. pnerso(psD =net design wind pressure for Exposure B,at height Applications of these procedures is subject to rhe following ASCE 7-05 limitations: =30 feet,l=1.0 1.The building height must be less than 60 feet,h<60. See note for determining h in the next section. For installations You will also need to know the following information: on structures greater than 60 feet,contact your local Unirac Distributor. Basic Wind Speed=V(mph),the largest 3 second gust of wind in 2.The building must be enclosed,not an open or partially the last 50 years. enclosed structure,for example a carport. h(ft) =total roof height for flat roof buildings or mean roof 3.The building is regular shaped with no unusual geometrical height for pitched roof buildings irregularity in spatial form,for example a geodesic dome. RoofPitch(degrees) 4.The building is not in an extreme geographic location such as a narrow canyon or steep cliff. This manual will help you determine: 5.The building has a flat or gable roof with a pitch less than 45 Effective Wind Area(sf) =minimum total continuous area of degrees or a hip roof with a pitch less than 27 degrees. modules being installed(Step 2) 6.If your installation does not conform to these requirements please contact your local Unirac distributor or a local Roof Zone=the area of the roof you are installing the pv system professional engineer. according to Step 3. If your installation is outside the United States or does not Roaf Zone Dimension=a(ft)(Step 3) meet all of these limitations,consult a local professional engineer or your local building authority.Consult ASCE 7-05 Fxposure Category(Step 6) [1.2.] Procedure to Calculate Total Design Wind The procedure for determining the Design Wind Load can be Step 2:Determining Effective Wind Area broken into steps that include looking up several values in Determine the smallest area of continuous modules you will different tables.Table 5 has been provided as a worksheet for be installing. This is the smallest area tributary(contributing the following 9 steps(page 8) load)to a support or to a simple-span of rail.That area is the Effective Wind Area,the total area of the fewest number of Step 1•Determine Basic Wind Speed,V(mph) modules on a run of rails.If the smallest area of continuous modules exceeds 100 sq ft,use 100 sq ft(See Table 2). If less, Determine the Basic Wind Speed,V(mph)by consulting your round down to values available in Table 2. local building department or locating your installation on the maps in Figure 1,page 4. g� 3 a=UNI RAC` Unirac Code-Compliant Installation Manual SolarMount s 90(40) 100(45) iS mph 38 MIS) 110(49) 120(51) 90 mp (40 m/s 90 40 m/s) 130(68) 140(63) Miles per hour (meters per second) Figure 1.Basic Wind Speeds.Adapted and 130(58) applicable to ASCE 7-05.Values are nominal 140(83) 140(63) 140(63) design 3-second gust wind speeds at 33 feet 15N67) above ground for Exposure Category C. 1 SN67) g014o) l SPe"Wind Region 108@1 130(58) 110(49)120(54) Step 3:Determine Roof/WaU Zone The Design Wind Load will vary based on where the installation is located on a roof. Arrays may be located in more than one roof zone. Using Table 1,determine the Roof Zone Dimension Length, a(ft),according to the width and height of the building on which you are installing the pv system. Table 1.Determine Roof/Wall Zone,dimension (a) according to building width and height a= 10 percent of the least horizontal dimension or 0.4h,whichever is smaller,but not less than either 4%of the least horizontal dimension or 3 ft of the building. Roof Least Horizontal Dimension(ft) Height(ft) 10 15 20 25 30 40 50 60 70 80 90 100 125 150 175 .200 300 400 500 10 3 3 3 3 3 4 4 4 4 4 4 4 5 6 7 8 12 16 20 IS 3 3 3 3 3 4 5 6 6 6 6 6 6 6 7 8 12 16 20 20 3 3 3 3 3 4 5 6 7 8 8 8 8 8 8 8 12 16 20 25 3 3 3 3 3 4 5 6 7 8 9 10 10 10 10 10 12 16 20 30 3 3 3 3 3 4 5 6 7 8 9 10 12 12 12 12 12 16 20 35 3 3 3 3 3 4 5 6 7 8 9 10 12.5 14 14 14 14 16 20 40 3 3 3 3 3 4 5 6 7 8 9 10 12.5 15 16 16 16 16 20 45 3 3 3 3 3 4 5 6 7 8 9 10 12.5 15 17.5 18 18 18 20 50 3 3 3 3 3 4 5 6 7 8 9 TO 12.5 15 17.5 20 20 20 20 60 3 3 3 3 3 4 5 6 7 8 9 10 12.5 15 17.5 20 24 24 24 Source: ASCFJSEI 7-05, Minimum Design Loads for Buildings and Other Structures,Chapter 6,Figure 6-3, p.41. Pau- 4 SolarMlunt Unirac Code-Compliant Installation Manual .4F U N I RAC Step 3:Determine Roo,jZone(continued) Using Roof Zone Dimension Length,a,determine the roof zone locations according to your roof type,gable,hip or monoslope. Determine in which roof zone your pv system is located,Zone 1,2,or 3 according to Figure 2. Figure 2.Enclosed buildings,wall and roofs Flat Roof Hip Roof(7° < 0!5; 27°). 00 a. h a. h a a f .a .a a� �a � r Gable Roof(0 !5 7°) Gable Roof(7' < 0 :5 4S° h a, a h a ,a _a a .a " a, Interior Zones End Zones Corner Zones ❑ Roofs-Zone I/Walls-Zone 4 ❑ Roofs-Zone 2/Walls-Zone 5 Roofs-Zone 3 Source: ASCEISEI TOS, Minimum Design Loads for Buildings and Other Structures,Chapter 6, P,41. Step 4:Determine Net Design Wind Pressure,jhwtso(psj) Both downforce and uplift pressures must be considered Using the Effective Wind Area(Step 2),Roof Zone Location in overall design. Refer to Section II,Step 1 for applying (Step 3),and Basic Wind Speed(Step 1),look up the downforce and uplift pressures.Positive values are acting appropriate Net Design Wind pressure in Table 2,page b. Use toward the surface.Negative values are acting away from the the Effective Wind Area value in the table which is smaller than surface. the value calculated in Step 2.If the installation is located on a roof overhang,use Table 3,page 7. P'x< 5 UNI RAC Unirac Code-Compliant Installation Manual SolaxMount Table 2,p,,m(psi) Roof and Wall Bmi<Wmd SbK4 11 rnOl 90 100 110 120 130 140 150 170 EJ(eov WWAw Znne 4 Downforce Uplik Downforce Uplift Downforce Uplift Downforce Uplift Downforce Uplift Downforce Uplift Downforce Upl* Downfome UpBk 1 10 5.9 -14.6 7.3 -18.0 8.9 -21.8 10.5 -25.9 12.4 -30.4 14.3 -35.3 16.5 -40.5 21.1 -520 1 20 5.6 -14.2 6.9 -175 8.3 -21.2 9.9 -25.2 116 -29.6 13.4 -34.4 15.4 -39.4 19.8 -50J W, 1 50 5.I -13.7 6.3 -16.9 7.6 -20.5 9.0 -24.4 10.6 -28.6 12.3 -33.2 14.1 -38.1 18.1 -48.9 +m 1 100 4.7 -13.3 5.8 -165 7.0 -19.9 8.3 -23.7 9.8 -27.8 11.4 -323 13.0 -37,0 16.7 -47.6 -0 2 10 5.9 -24,4 7.3 -30.2 8.9 -36.5 10.5 -43.5 12.4 -51.0 14,3 -59.2 16.5 -67.9 21.1 -87.2 0 2 20 5.6 -21.8 6.9 -27.0 8.3 -32.6 9.9 -38.8 11.6 -45.6 13.4 -52.9 15.4 -60.7 19.8 -78.0 0 2 50 5.I -18.4 6.3 -22.7 7.6 -27.5 9.0 -32.7 10.6 -38.4 12.3 -44.5 14.1 -51.1 18.1 -65.7 0 2 100 4.7 -15.8 5.8 -19.5 7.0 -23.6 8.3 -28.1 9.8 -33.0 11.4 -38.2 13.0 -43.9 16.7 -56.4 0 3 10 5.9 -36.8 7.3 -45.4 8.9 -55.0 10.5 -65.4 12.4 -76.8 14.3 -89.0 16.5 -102.2 21.1 -131.3 3 20 5.6 -305 6.9 -37.6 8.3 -45.5 9.9 -54.2 11.6 -63.6 13-4 -73.8 15.4 -84.7 19.8 -108.7 3 50 5.1 -22.1 6.3 -27.3 7.6 -33.1 9.0 -39.3 10.6 -46.2 12.3 -53.5 14.1 -61.5 18.1 -78.9 3 100 4.7 -15.8 5.8 -19.5 7.0 -23.6 8.3 -28.1 9.8 -33.0 11.4 -38.2 13.0 -43.9 16.7 -56.4 1 10 8.4 -13.3 10.4 -16.5 12.5 -19.9 14.9 -23.7 17.5 -27.8 20.3 -32.3 23.3 -37.0 30.0 -47.6 1 20 7.7 -13.0 9.4 -16.0 11.4 -19.4 13.6 -23.0 16.0 -27,0 18.5 -31.4 21.3 -36.0 27.3 -46.3 1 50 6.7 -12.5 8.2 -15.4 10.0 -18.6 11.9 -22.2 13.9 -26.0 16.1 -30.2 18.5 -34.6 23.8 -44.5 t 0 1 100 5.9 -12.1 7.3 -14.9 8.9 -18.1 10.5 -21.5 12.4 -25.2 14.3 -29.3 16.5 -33.6 21.1 -43.2 m f 2 10 8.4 -23.2 10.4 -28.7 12.5 -34.7 14.9 -41.3 17.5 -48.4 20.3 -56.2 23.3 -64.5 30.0 -82.8 2 20 7.7 -21.4 9.4 -26.4 11.4 -31.9 13.6 -38.0 16.0 -44.6 185 -51.7 21.3 -59.3 273 -76.2 f. 2 50 6.7 -18.9 8.2 -23.3 10.0 -28.2 11.9 -33.6 13.9 -39.4 16.1 -45.7 18.5 -525 23.8 -67.4 A 2 100 5.9 -17.0 7.3 -21.0 8.9 -25.5 1 M -303 12.4 -35.6 14.3 -41.2 16.5 -47.3 21.1 -60,8 0 00[ 3 10 8.4 -34.3 10.4 -42.4 12.5 -51.3 14.9 -61.0 17.5 -71.6 20.3 -83.1 23.3 -95.4 30.0 -122.5 3 20 7.7 -32.1 9.4 -39.6 11.4 -47.9 13.6 -57.1 16.0 -67.0 18.5 -77.7 21.3 -89.2 27.3 -114.5 3 50 6.7 -29.1 8.2 -36.0 10.0 -43.5 11.9 -51.8 13.9 -60.8 16.1 -70.5 18.5 -81.0 23.8 -104.0 3 100 5.9 -26.9 7.3 -33.2 8.9 -40.2 10.5 -47.9 12.4 -56,2 14.3 -65.1 16.5 -74.8 21.1 -96.0 1 10 13.3 -14.6 16.5 -18.0 19.9 -21.8 23.7 -25.9 27.8 -30.4 32.3 -35.3 37.0 -40.5 47.6 -52.0 1 20 13.0 -13.8 16.0 -17.1 19.4 -20.7 23.0 -24.6 27.0 -28.9 31.4 -33.5 36.0 -38.4 46.3 -49.3 I 50 12.5 -12.8 15.4 -15.9 18.6 -19.2 22.2 -22.8 26.0 -26.8 30.2 -31.1 34.6 -35.7 44.5 -45.8 yo 1 100 12.1 -12.1 14.9 -14.9 18.1 -18.1 21.5 -21.5 25.2 -25.2 29.3 -29.3 33.6 -33.6 43.2 -43.2 0 'D 2 10 13.3 -17.0 16.5 -21.0 19.9 -25.5 23.7 -30.3 27.8 -35.6 32.3 -41.2 37.0 -47.3 47.6 -60.8 2 20 13.0 -16.3 16.0 -20.1 19.4 -24.3 23.0 -29.0 27.0 -34.0 31.4 -39.4 36.0 -45.3 46.3 -58.1 2 50 12.5 -15.3 15.4 -18.9 18.6 -22.9 22.2 -27.2 26.0 -32.0 30.2 -37.1 34.6 -42.5 44.5 -54.6 n 2 100 12.1 -14.6 14.9 -18.0 18.1 -21.8 21.5 -25.9 25.2 -30.4 29.3 -35.3 33.6 40.5 43.2 -52.0 A 0 3 10 13.3 -17.0 16.5 -21.0 19.9 -25.5 23.7 -30.3 27.8 -35.6 32.3 -41.2 37.0 -47.3 47.6 -60.8 3 20 13.0 -16.3 16.0 -20.1 19.4 -24.3 23.0 -29.0 27.0 -34.0 31.4 -39.4 36.0 -45.3 46.3 -58.1 3 50 12.5 -15.3 15.4 -18.9 18.6 -22.9 22.2 -27.2 260 -32.0 30.2 -37.1 34.6 -42.5 44.5 -54.6 3 100 12.1 -14.6 14.9 -18.0 18.1 -21.8 21.5 -25.9 25.2 -30.4 29.3 -353 33.6 -40.5 43.2 -52.0 4 10 14.6 -15.8 18.0 -19.5 21.8 -23.6 25.9 -28.1 30.4 -33.0 35.3 -38.2 40.5 -43.9 52.0 -56.4 4 20 13.9 -15.1 17.2 -18.7 20.8 -22.6 24.7 -26.9 29.0 -31.6 33.7 -36.7 38.7 -42.1 49.6 -54.1 4 50 13.0 -14.3 16.1 -17.6 19.5 -21.3 23.2 -25.4 27.2 -29.8 31.6 -34.6 36.2 -39.7 46.6 -51.0 4 100 12.4 -13.6 15.3 -16.8 18.5 -20.4 22.0 -24.2 25.9 -28.4 30.0 -33.0 34.4 -37.8 44.2 -48.6 4 500 10.9 -12.1 13.4 -14.9 16.2 -18.1 19.3 -21.5 22.7 -25.2 26.3 -29.3 30.2 -33.6 38.8 -43.2 3 5 10 14.6 -19.5 18.0 -24.1 21.8 -29.1 25.9 -34.7 30.4 -40.7 35.3 -47.2 40.5 -54.2 52.0 -69.6 5 20 13.9 -18.2 17.2 -225 20.8 -27.2 24.7 -324 29.0 -38.0 33.7 -44.0 38.7 -50.5 49.6 -64.9 5 50 13.0 -16.5 16.1 -20.3 19.5 -24.6 23.2 -29.3 27.2 -34.3 31.6 -39.8 36.2 -45.7 46.6 -58.7 5 100 12.4 -15.1 15.3 -18.7 18.5 -22.6 22.0 -26.9 25.9 -31.6 30.0 -36.7 34.4 -42.1 44.2 -54.1 5 500 10.9 -12.1 13.4 -14.9 16.2 -18.1 19.3 -21.5 22.7 -25.2 26.3 -29.3 30.2 -33.6 38.8 -43.2 Source: ASCE/SEI 7-05, Minimum Design Loads for Buildings and Other Structures,Chapter 6, Figure 6-3,p.42-43. Nt 6 SolarMount Unirac Code-Compliant Installation Manual ;•■•UNI RAC Table 3.pnet30(pSf) Roof Overhang wee &xkWtrd Speed V(ma') VMdkeu zone ('0 90 100 110 120 130 140 150 170 N 2 10 -21.0 -25.9 -31.4 -37.3 -43.8 -50.8 -58.3 -74.9 y 2 20 -20.6 -25.5 -30.8 -36.7 -43.0 -49.9 -57.3 -73.6 2 5o -20.1 -24.9 -30.1 -35.8 -42.0 -48-7 -55.9 -7k.8 2 100 -19.8 -24.4 -29.5 -35.1 -41.2 -47.8 -54.9 -70,5 n $ 3 10 -34.6 -42.7 -51.6 -61.5 -72.1 -83.7 -96.0 -123.4 c 3 20 -27.1 -33.5 -40.5 -48.3 -56.6 -65.7 -75.4 -96.8 w 0 3 5o -17.3 -21.4 -25.9 -30.8 -36.1 -41.9 -48.1 -61.8 CC 3 100 -10.0 -12.2 -14.8 -17.6 -20.6 -23.9 -27.4 -35.2 2 10 -27.2 -33.5 -40.6 -48.3 -56.7 -65.7 -75.5 -%.9 iv 2 20 -27.2 -33.5 -40.6 -48.3 -56.7 -65.7 -75.5 -96.9 2 50 -27.2 -33.5 -40.6 -48.3 -56.7 -65.7 -75.5 -%.9 N 2 100 -27.2 -33.5 -40.6 -48.3 -56.7 -65.7 -75.5 -96,9 3 10 -45.7 -56.4 -68.3 -81.2 -95.3 -110.6 -126.9 -163.0 3 20 -41.2 -50.9 -61.6 -73.3 -86.0 -99.8 -114.5 -147.1 0 3 5o -35.3 -43.6 -52.8 -62.8 -73.7 -85.5 -98.1 -126.1 3 100 -30.9 -38.1 -46.1 -54.9 -64.4 -74.7 -85.8 -110.1 2 10 -24.7 -30.5 -36.9 -43.9 -5I:5 -59.8 -68.6 -88, 00 2 20 -24.0 -29.6 -35.8 -42.6 -50.0 -58.0 -66.5 -85.5 2 5o -23.0 -28A -34.3 -40.8 -47.9 -55.6 -63.8 -82.0 0 2 100 -22.2 -27.4 -33.2 -39.5 -46A -53.8 -61.7 -79.3 0 n 3 10 -24.7 -30.5 -36.9 -43.9 -51.5 -59.8 -68.6 -88.1 3 20 -24.0 -29.6 -35.8 -42.6 -50.0 -58.0 -66.5 -85.5 c 3 5o -23.0 -28.4 -34.3 -40.8 -47.9 -55.6 -63.8 -82.0 a9L 3 100 -22.2 -27.4 -33.2 -39.5 -46.4 -53.8 -61.7 -79.3 Source: ASCEISEI 7-05, Minimum Design Loads for Buildings and Other Structures,Chapter 6, p.44. Step 5:Determine the Topographic Factor,Kat For the purposes of this code compliance document,the SURFACE ROUGHNESS c: has open terrain with scat- Topographic Factor,Kms,is taken as equal to one(1),meaning, tered obstructions having heights generally less than the installation is surrounded by level ground(less than 10% 30 feet. This category includes flat open country, slope). If the installation is not surrounded by level ground, grasslands,and all watersurfaces in hurricane prone please consult ASCE 7-05,Section 6.5.7 and the local building regions. authority to determine the Topographic Factor. SURFACE ROUGHNESS D:has flat,unobstructed areas and water surfaces outside hurricane prone regions. Step 6-Determine Exposure Category(B,C,D) This category includes smooth mud flats,salt flats,and unbroken ice. Determine the Exposure Category by using the following definitions for Surface Roughness Categories. Also see ASCE 7-05 pages 287-291 for further explanation and explanatory photographs,and confirm your selection with the The ASCE/SEI 7-05 defines wind surface roughness local building authority. categories as follows: SURFACE RoUGxxEss B: is urban and suburban areas, wooded.areas,or other terrain with numerous closely spaced obstructions having the size of single family dwellings. P+x 7 UNI RAC Unirac Code-Compliant Installation Manual SolarMount Step 7:Determine adjustmentfactorfor height and exposure Table 4. Adjustment Factor(A)for Roof Height& category,,1 Exposure Category Using the Exposure Category(Step 6)and the roof height; Expmre h(ft),look up the adjustment factor for height and exposure in Mean rwt Table 4. haght(ft) B C D 15 1.00 1.21 1.47 Step 8:Determine the Importance Factor,I 20 1.00 1.29 I-S5 25 1.00 1.35 1.61 Determine if the installation is in a hurricane prone region_ 30 1.00 1.40 1.66 Look up the Importance Factor,I,Table 6,page 9,using the 35 1.05 1.45 1.70 occupancy category description and the hurricane prone 40 1.09 1.49 1.74 region status. 45 1.12 1.53 1.78 5o 1.16 1.56 1.81 55 1.19 1.59 1.84 Step 9:Calculate the Design Wind Load,pnet(psf) 60 1.22 1.62 1.87 Multiply the Net Design Wind Pressure,pnet3o(psf)(Step 4)by the adjustment factor for height and exposure,A (Step 7),the Source: AC7-05, Minimum Design Loads for Buildings and Other Structures, Chhaaptpt er b,Figure 6-3, p.44. 7bpographic Factor,Kat(Step 5),and the Importance Factor,I (Step 8)using the following equation,or Table 5 Worksheet. pnet(PSD=AKztl pnet3o Net(psf) =Design Wind Load(10 psf minimum) A=adjustment factor for height and exposure category(Step 7) &t=Topographic Factor at mean roof height,h(ft) (Step 5) I=Importance Factor(Step 8) pnet3o(psf) =net design wind pressure for Exposure B,at height =30,I= 1 (Step 4) Use Table 5 below to calculate Design Wind Load. The Design Wind Load will be used in Part II to select the appropriate SolarMount Series rail,rail span and foot spacing. In Part II,use both the positive(downforce)and the negative (uplift)results from this calculation. Table S.Worksheet for Components and Cladding Wind Load Calculation:IBC 2009,ASCE 7-05 Ymiobk D-;nption sm'w V.1- V.,# step Rrtei , Building Height h ft Building Least Horizontal Dimension ft Roof Pitch degrees Exposure Category 6 Basic Wind Speed V mph I Figure I Effective Wind Area sf 2 Roof Zone Setback Length a ft 3 Table I Roof Zone Location 3 Figure 2 Net Design Wind Pressure pnet3o psf 4 Table 2,3 Topographic Factor Kat x 5 Adjustment factor for height and exposure category h x 7 Table 4 Importance Factor I x 8 Table 5 Total Design Wind Load pnet psf 9 NP 8 SolarMount Unirac Code-Compliant Installation Manual ;:=UNI RAC Table 6.OccupancyCategory Importance Factor Non-Hurrkane Prone ReVom and Hurricane Prone Reglons Hurricane Prone Re- with Bask W.d Speedy= gions with Boskww Category Categoryoeskrlption BWI&IType arimples 85-100 mph,and Alaska SpeedV>IOOmph Buildings and other Agricultural facilities 0.87 0.77 structures that Certain Temporary facilities represent a low Minor Storage facilities hazard to human life in the event of failure, including,but limited to: All buildings and other II structures except those I I listed in Occupancy Categories I,III,and IV. Buildings and other Buildings where more than 300 people congregate structures that Schools with a capacity more than 250 LIS I.I 5 III represent a substantial Day Cares with a capacity more than 150 hazard to human life in Buildings for colleges with a capacity more than 500 the event of a failure, Health Care facilities with a capacity more than 50 or including,but not limited more resident patients to: Jails and Detention Facilities • Power Generating Stations • Water and Sewage Treatment Facilities • Telecommunication Centers • Buildings that manufacture or house hazardous materials Buildings and other Hospitals and other health care facilities having 1.15 1.15 structures designated surgery or emergency treatment IV as essential facilities, Fire,rescue,ambulance and police stations including,but not limited Designated earthquake,hurricane,or other to: emergency shelters • Designated emergency preparedness communication, and operation centers • Power generating stations and other public utility facilities required in an emergency • Ancillary structures required for operation of Occupancy Category IV structures • Aviation control towers,air traffic control centers,and emergency aircraft hangars • Water storage facilities and pump structures required to maintain water pressure for fire suppression • Buildings and other structures having critical national defense functions Source_ IBC 2009,Table 1604.5,Occupancy Category o f Buildings and other structures,p.281;ASCEISEI 7-05, Minimum Design Loads for Buildings and other Structures,Table 6-1, p.77 Nxt 9 :c=UNI RAC Unirac Code-Compliant Installation Manual SolarMoant Part 11. Procedure to Select Rail Span and Rail 'Type [2.1.] Using Standard Beam Calculations, Structural Engineering Methodology The procedure to determine the Unirac SolarMount series The Total Design Load,P(psf)is determined using ASCE 7-05 rail type and rail span uses standard beam calculations and 2.4.1 (ASD Method equations 3,5,6 and 7)by adding the Snow structural engineering methodology. The beam calculations Load 1,S(psf),Design Wind Load,Pet(psf)from Part 1,Step 9 are based on a simply supported beam conservatively,ignoring and the Dead Load(psf).Both Uplift and Downforce Wind the reductions allowed for supports of continuous beams over Loads calculated in Step 9 of Part 1 must be investigated. Use multiple supports.Please refer to Part I for more information Table 7 to calculate the Total Design Load for the load cases. on beam calculations,equations and assumptions.If beams Use the maximum absolute value of the three downforce cases are installed perpendicular to the eaves on a roof steeper than and the uplift case for sizing the rail.Use the uplift case only a 4/12 pitch in an area with a ground snow load greater than for sizing lag bolts pull out capacities(Part 1I,Step 6).Use the 30psf,then additional analysis is required for side loading on following equations or Table 7. the roof attachment and beam. In using this document,obtaining correct results is p(psf) = I.OD+ I.OSI (downforce case 1) dependent upon the following: 1.Obtain the Snow Load for your area from your local building P(psf)= I.OD+I.Opnet(downforce case 2) official. 2.Obtain the Design Load,pnet. See Part I(Procedure Wind P(PsD=1.OD+0.7551+0.75p"t(downforce case 3) to Determine the Design Wind Load)for more information on P(psf)=0.6D+1.Opnet (uplift) calculating the Design Wind Load. 3.Please Note:The terms rail span and footing spacing D=Dead Load(psf) are interchangeable in this document. See Figure 3 for illustrations. S=Snow Load(psf) 4.To use Table 8 and Table 9 the Dead Load for your specific installation must be less than 5 psf,including modules and Pnet=Design Wind Load(psf)(Positive for downforce,negative Unirac racking systems. If the Dead Load is greater than 5 for uplift) psf,see your Unirac distributor,a local structural engineer or contact Unirac. The maximum Dead Load.D(psf).is 5 asf based on market research and internal data. The following procedure will guide you in selecting a Unirac 1 Snow Load Reduction-The snow load can be reduced according rail for a flush mount installation.It will also help determine to Chapter 7 ofASCE 7-05. The reduction is a function of the roof the design loading imposed by the Unirac PV Mounting slope,Exposure Factor,Importance Factor and Thermal Factor. Assembly that the building structure must be capable of Please refer to Chapter 7ofASCE 7-05 for more information. supporting. Step 1:Determine the Total Design Load Figure 3.Rail span and footing spacing are interchangeable. E 1 two6"\e\�`Jol `fPa'or L F oot 5498 Note:Modules must be centered symmetrically on the rails(+/-2*),as shown in Figure 3. 10 SolarMount -Unirac Core-Compliantlnstallation Manual mW U N IRQC Table 7. ASCE 7 ASD Load Combinations De Oban VOM* Downforce Case I Down(orce Case 2 Downforce Case 3 upkft uran Dead Load D 1.0 x 1.0 x 1.0 x 0.6 x psf Snow Load S 1.0 x + 0.75 x + psf Design Wind Load Pnet 1.0 x + 0.75 x + 1.0 x - psf Total Design Load P psf Note:Table to be filled out or attached for evaluation. Step 2:Determine the Distributed Load on the rail, Step 3:Determine Rail Span/L-Foot Spacing W(PID Using the distributed load,w,from Part II,Step 2,look up the Determine the Distributed Load,w(p1fl,by multiplying the allowable spans,L,for each Unirac rail type,SolarMount(SM) module length,B(ft),by the Total Design Load P(ps))and and SolarMount Heavy Duty(HD). dividing by two.Use the maximum absolute value of the three downforce cases and the Uplift Case. We assume each module The L-Foot SolarMount Series Rail Span Table uses a single is supported by two rails. L-foot connection to the roof,wall-or stand-off. Please refer to w=PB/2 the Part III for more installation information. w=Distributed Load(pounds per linear foot,p1fl B=Module Length Perpendicular to Rails(ft) P=Total Design Pressure(pounds per square foot,psfl Table 8.L-Foot SolarMount Series Rail Span SM-SolarMount HD-SolarMount Heavy Duty Span Disuitnaed Load Iknear oot (+k) 20 25 30 40 so 60 80 100 120 140 160 180 200 220 240 260 2 SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM 2.5 SM SM SM SM SM SM SM SM SM SM SM SM SM HD HD HD 3 SM SM SM SM SM SM SM SM SM SM SM HD HD HD HD HD 3.5 SM SM SM SM SM SM SM SM SM SM HD HO HD HD 4 SM SM SM SM SM SM SM SM SM HD HD HD HD 4.5 SM SM SM SM SM SM SM SM HD HD HD 5 SM SM SM SM SM SM SM SM HD HO HO 55 SM SM SM SM SM SM SM HD HD HD 6 SM SM SM SM SM SM SM HD HD 6.5 SM SM SM SM SM SM SM HD ? 7 SM SM SM SM SM SM HD HD 75 SM sm SM SM SM SM HD HO 8 SM SM SM SM SM sM HD HD 8,5 SM SM SM SM SM HD HD 9 SM SM SM SM HD HD HD 9S SM SM SM SM HD HD HD 10 SM SM SM HD HD HD HD 10.5 SM SM SM HD HO HD II SM SM HD HD HD HD 11.5 SM HD HD HD HD HD 12 SM HD HD HD HD HD 11 an =UNI RAC Unirac Cotte-compliant Installation Manual solarMount Step 4: Select Rail Type Step 5:Determine the Downforce Poiret Load,R(Ibs), Selecting a span and rail type affects the price of your at each connection based on rail span installation. Longer spans produce fewer wall or roof When designing the Unirac Flush Mount Installation,you penetrations.However,longer spans create higher point load must consider the down-force Point Load,R(lbs)on the roof forces on the building structure. A point load force is the structure. amount of force transferred to the building structure at each The Downforce,Point Load,R(lbs),is determined by connection. multiplying the Total Design Load,P(psD(Step 1)by the Rail Jt is the installer's responsibility to velffy that the building Span,L(ft) (Step 3)and the Module Length Perpendicular to structure is strong enough to suptwrt the point load the Rails,B(ft)divided by two. forces. R(lbs) =PLB/2 R=Point Load(lbs) P= Total Design Load(psf) L =Rail Span(ft) B=Module Length Perpendicular to Rails(ft) It is the installer's responsibility to verify that the building structure is strong enough to support the maximum point loads calculated according to Step 5. Table 10.Downforce Point Load Calculation Total Design Load (downforce) (max of case 1,2 or 3): P psi Step I Module length perpendicular to rails: B x ft Rail Span: L x ft Step 4 12 Downforce Point Load: R lbs P.J c 12 SfllarMount Unirac Code-Compliant Installation Manual •U N I RAC Step 6:Determine the Uplift Point Load,R(lbs),at each connection based on rail span You must also consider the Uplift Point Load,R(lbs),to determine the required lag bolt attachment to the roof (building)structure. Table 11.Uplift Point Load Calculation Total Design Load(uplift): P psf Step I Module length perpendicular to rails: B x ft Rail Span: L x ft Step 4 12 Uplift Point Load: R lbs Table 12 Lag pull-out(wit4xdkwd)capacities(lbs)in typical roof lumber(ASD) Use Table 12 to select a lag bolt size and embedment depth to Lag screw specifications satisfy your Uplift Point Load s aft, Force,R(lbs),requirements. Specific 1,6- shaft,* Divide the uplift poindoad(from gravity per inch thread depth Table 11)by the withdrawal capacity in the 2nd column of Douglas Fir,Larch 0.50 266 Table 12. This results in inches Douglas Fir,South 0.46 235 of 5/161agbolt embedded thread depth needed to counteract the Engelmann Spruce,Lodgepole Pine uplift force.If other than lag (MSR 1650 f &higher) 0.46 235 bolt is used(as with a concrete or steel),consult faLctener mfr Hem,Fir,Redwood(close grain) 0.43 212 documentation. Hem,Fir(North) 0.46 235 Southern Pine 0.55 307 Thread It is the installer's responsibility depth to verify that the substructure Spruce,Pine,Fir 0.42 205 and attachment method is Spruce,Pine,Fir strong enough to support the S S u 2 million psi and higher maximum point loads calculated according to Step 5 and Step 6. grades of MSR and MEL) O,SO 166 Sources.American Wood Council NDS 2005,Table I L2A,112.2A. Notes:(1)Thread must be embedded in the side grain of a rafter or other structural member integral with the building structure. (2)Lag bolts must be located in the middle third of the structural member. (3)These values are not valid for wet service. (4)This table does not include shear capacities_ If necessary,contact a local engineer to specify lag bolt size with regard to shear forces. (5)Install lag bolts with head and washer flush to surface(no gap).Do not aver-torque. (b)WrEhdrawol design values for lag screw connections shoal be multiplied by applicable adjustment(odors if necessary,See Table 103.1 in the American Wood Council NDS for Wood Construction. Use flat washers with lag screws. Page 13 -."U NI R>ACe Unirac Cade-Compliant Instauattoll ll/fartual Sola mount Part III. Installing SolarMount The Unirac Code-Compliant Installation Instructions support applications for building permits for photovoltaic arrays using Unirac PV module mounting systems. This manual, SolarMount Planning and Assembly, governs installations using the SolarMount and SolarMount HD (Heavy Duty) systems. [3.1.] SolarMount rail components 01 a OFigure 4.SolarMount standard rail components. ORail —Supports PV modules. Use two per row of lock washer for attaching L-foot. Flashings:Use one per modules. Aluminum extrusion,anodized. standoff. Unirac offers appropriate flashings for both standoff types. © Rail splice—Joins and aligns rail sections into single Note:There is also a flange type standoff that does not length of rail.. It can form either a rigid or thermal require an L-foot. expansion joint,8 inches long,predrilled. Aluminum O Aluminum two-piece standoff(optional)(4"and 7") — extrusion,anodized. Use one per L-foot. 'Two-piece:Aluminum extrusion. Includes 3/8"x 3/4"serrated flange bolt with EPDM Qself-drilling screw—(No.to x 3/4") —Use 4 per rigid washer for attaching L-foot,and two 5/16"lag bolts- splice or 2 per expansion joint. Galvanized steel. O Lag screw for L-foot(5/16")—Attaches standoff to rafter OL-foot—Use to secure rails either through roofing material to building structure or standoffs. Refer to Top Mounting Clamps loading tables for spacing.Note:Please contact Unirac for use and specification of double L-foot. Top Mounting Grounding Clips and Lugs © L-foot bolt(3/8" x 3/4") —Use one per L-foot to secure rail to L-foot. Stainless steel. Installer supplied materials: eFlange nut(3/8")—Use one per L-foot to secure rail to Lag screw for L-foot—Attaches L-foot or standoff to L-foot. Stainless steel. rafter.Determine the length and diameter based on pull- out values. If lag screw head is exposed to elements,use stainless steel. Under flashings,zinc plated hardware is OFlattop standoff(optional) (3/8") —Use standoffs to adequate. increase the height of the array above the surface of the roof or to allow for the use of flashings. Use one per Waterproof L-foot. One piece:Service Condition 4(very severe) roofing sealant—Use a sealant appropriate zinc-plated-welded steel. Includes 3/8"x Y4"bolt with to your roofing material.Consult with the company currently providing warranty of roofing. w, 14 SolaMount Unirac Code-Compliant Installation Manual "P U N I RA[ [3.2.] Installing SolarMount with top monnting clamps This section covers SolarMount rack assembly where the installer has elected to use top mounting clamps to secure modules to the rails. It details the procedure for flush mounting SolarMount systems to a pitched roof. 44 Mid Clamp End Clamp L-foot SolarMount Rail a SolarMount Rail Figure S.Exploded view of a flushmount installation mounted with L feet. Table 13.Wrenches and torque All top down clamps must be installed with anti- seize to prevent galling and provide uniformity Wrench Recommended t in clamp load UatiRac Inc recommends Silver size torque(ft-Ibs) Grade LocTiteAnti-Seize Item numbers:38181, '/,'"hardware '/b" I 0 0 80209,7,6732,76759,76764,80206;and 76775,or equivalent. 1/4"-20 hardware used in conjunction '/a- hardware '/�6' 30 with top down clamps must be installed to 10 ft-lbs Torques are not designated for use with wood connectors of torque. When using UGC-1,UGC-2,WEEB 9.5 and WEEB 6.7,114"-20 hardware must be installed to 10 ft-lbs of torque. Additionally,when used with a top down clamp,the module frame cross section must be boxed shaped as opposed to a single,l-shaped member.Please refer to installation supplement 910: Galling and Its Prevention for more information on galling and anti-seize and installation manual 225: Top Mounting Unirac Grounding Clips and WEEBLugs for more information on Grounding Clips." Pa(c 15 U N I RAC Unirac Code-Compliant Installation Manual SolarMount [3.2.1] Planning your SolarMount installations The installation can be laid out with rails parallel to the rafters The width of the installation area equals the length of one or perpendicular to the rafters. Note that SolarMount rails module, make excellent straight edges for doing layouts. The length of the installation area is equal to: Center the installation area over the structural members as - thetotal width of the modules, much as possible. plus 1 inch for each space between modules(for mid- Leave enough room to safely move around the array during clamp), installation.Some building codes require minimum clearances around such installations,and the user should be directed to - plus 3 inches(1'/z inches for each pair of end clamps). also check The Code'. Peak bLow-profile b w High-profile mode W mode Gutter Figure 6.Rails may be placed parallel or perpendicukr to rafters. No 16 SolarMount Unirac Cade-CompliantInstallation Manual ::'U N IRAC [3.2.2] Laying out L-feet L-feet(Fig.'T)can be used for attachment through existing roofing material,such as asphalt shingles,sheathing or sheet metal to the building structure. Use Figure 8 or 9 below to locate.andd mark the position of the L-feet lag screw holes within the installation area. If multiple rows are to be installed adjacent to one another,it is not likely that each row will be centered above the rafters. Figure 7 Adjust as needed,following the guidelines in Figure 9 as closely as possible. –► Overhang 25%L max 25%of module foot spacing/—*1 width _� ail Sian 'T' _ '_ 7, ii -- I 50%of module width (TYP) _J — ! \ �� Note:Modules must be Lower roof edge Rafters centered symmetrically on the (Building Structure) rails(+/-.2").If this is not the case,call Untrac for assistance_ Figure 8.Layout with rails perpendicular to rafters. Installing L-feet: 25%af module width 50%of module width Drill pilot holes through the roof into the I'A-1'/." renter of the rafter at each L-foot lag screw Ili I� -r hole location. 1'A-1'/. r II I i Squirt sealant into the hole,and on the shafts �f i I 1 of the lag screws. Seal the underside of the L i _ d feet with a suitable sealant.Consult with the company providing the roofing warranty. ! ii i1 Foot spacin Securely fasten the L-feet to the roof with __ oil Span,` \ the lag screws. Ensure that the L-feet face as shflwn in Figure 8 and 9. For greater ventila- tion,the preferred method is to place the single-slotted square side of the L-foot against the roof with the double-slotted side perpen- Cower roof edge I �i; ; Pe i I; Overhang 25%C max dicular to the roof. If the installer chooses to � mount the L-foot with the Iong leg against the H ) roof,the bolt slot closest to the bend must be used. Rafters(Building Structure) Nate:Modules must be centered symmetrically on the rails(+/-2").If this is not the case,call Uniracfor assistance. Figure 9.Layout with rails parallel to rafters. PaR� 17 d■ UNI RAC Unirac Code-Compliant Installation Manual SolarMount [3.2.3] Laying out standoffs Standoffs a 10 are used to increase the height of the (Figure ) g array above the surface of the roof. Pair each standoff with a flashing to seal the lag bolt penetrations to the roof. Use Figure 11 or 12 to locate and mark the location of the standoff lag screw holes within the installation area. Remove the file or shake underneath each standoff location, exposing the roofing underlayment. Ensure that the standoff Figure 10.Raised flange standoff(left) base lies flat on the underlayment,but remove no more mate- and flat top standoff used in conjunction rial than required for the flashings to be installed properly. with an L foot. The standoffs must be firmly attached to the building structure. If multiple high-profile rows are to be Overhang 25%L max Foot spacing/ , 25%module width installed adjacent to each other,it may not Imo- � g -�- each end RUiI an,_i _ be possible for each row to be centered above the rafters. Adjust as needed,following the guidelines of Pig.12 as closely as possible. --� module i width (TYPJ \� Installing standoffs: Lower roof edge l ;i Drill 3/16 inch pilot holes through the Rafters - underlayment into the center of the rafters at (Building Structure) each standoff location. Securely fasten each standoff to the rafters with the two 5/16"lag Note:Modules must be centered symmetrically on the rails screws. 2").If this is not the case,call Unirac for assistance. Ensure that the standoffs face as shown in Figure 11. Layout with rails perpendicular to raftem perpendicular to rafters. Figure 11 or 12. Unirac steel and aluminum two-piece standoffs(1-5/8"O.D-)are designed for collared flashings available from Unirac. Overhang 25%of 1 50%e typical ` install and seal flashings and standoffs module width(TYP) li i, using standard building practices or as the company providing roofing warranty directs. 3/a, �I 1 I I Ii • • J I 1 0 o I I Focit spacing/ �►�—a/a" Span"L" f I I 1 1 Lower roof edge I I Overhang 25%L,max Y Rafters(Building Structure) Note:Modules must be centered symmetrically on the rails (+=2').If this is nut the case,call Unimc for assistance. Figure 12.Layout with rails parallel to rafters I., 18 SolarMount Unirac Code-Compliant Installation Manual Q'■'U NIRA[ (3.2.4] Installing SolarMount rails *' 0000_1! Keep rail slots free of roofing grit or other debris. Foreign matter will cause bolts to bind as they slide in the slots. installing Splices.If your htstallatian uses.Sol-arMounxsplice.bars,:attach the rails together(FIg.13)before mounting the rails to the footings. Use splice bars only with flush installations or those that use law-profile tilt legs. Although structural,the joint is not as strong as the rail itself.A rail should always be supported by more than one footing on both sides of the splice. (Reference installation manual 908,Splices/Expansion Joints.)13.Splice bars slide into thrfootingbolt slots of SolarMount rail sections. Mounting Rails on Footings:Rails may be attached to either of two mounting holes in the L-feet(Fig.14). Mount in the lower hole for a low profile,more aesthetically pleasing installation. Mount in the upper hole for a higher profile,which will maximize airflow under the modules. This - will cool them more and may enhance performance in hotter climates. y Slide the%-inch mounting bolts into the footing bolt slots. Loosely attach Clampingbolt slot the rails to the footings with the flange nuts. Ensure that the rails are oriented to the footings as shown in Figure 8,9, Mounting 11,or 12,whichever is appropriate. slots Footing Aligning the Rail End.Align-one pair of rail ends to theedge of the boli slat installation area(Fig.15 or Fig.16). The opposite par of rail ends will overhang the side of the installation area.Do not trim them off until the installation is complete. If the rails are perpendicular to the rafters(Fig.15),either end of the rails Figure 14.Foot-to-rail splice attachment can be aligned,but the first module must be installed at the aligned end. If the rails are parallel to the rafters(Fig.16),the aligned end of the rails must face the lower edge of the roof. Securely tighten all hardware after alignment Ls complete(20 ft lbs). Mount modules to the rails as soon as possible. Large temperature changes may bow the rails within a few hours if module placement is delayed. Edge of installation area I-J I I - Edge of installation area Figure 15.Rails perpendicular to the rafters. Figure 16.Rails parallel to the rafters. 19 Sol UNI RAC Unirac Code-Compliant Installation Manual SolarMount [3.2.5] Installing the modules Pre-wiring Modules:If modules are the Plug and Play type, no pre-wiring is required,and you can proceed directly to — \ "Installing the First Module"below. �a If modules have standard J-boxes,each module should be pre-wired with one end of the intermodule cable for ease of installation. For safety reasons,module pre-wiring should not be performed on the roof. t _ z Leave covers off J-boxes. Theywill be installed when the modules are installed on the rails. p,. J-boxes Installing the First Module:In high-profile installations,the best practice would be to install a safety bolt(1/4"-20 x 1/2")and Figure 17 flange nut(both.installer provided)fastened to the module bolt slot at the aligned(lower)end of each rail. It will prevent the ale frame lower end clamps and clamping bolts from sliding out of the rail 1/2"minimum slot during installation. If there is a return cable to the inverter,connect it to the first module bolt module. Close the J-box cover. secure the first module with nut T-bolts and end damps at the aligned end of each rail. Allow -- - half an inch between the rail ends and the end damps(Fig.18). v_ Finger tighten flange nuts,center and align the module as Rai needed,and securely tighten the flange nuts(10 ft lbs). End clamp Installing the Other Modules:Lay the second module face Figure 18 down(glass to glass)on the first module. Connect intermodule cable to the second module and dose the J-box cover. Turn the second module face up(Fig.17). With T-bolts,mid-clamps and -- Module frames flange nuts,secure the adjacent sides of the first and second modules. Align the second module and securely tighten the i flange nuts(Fig.19). 114"module bolt For a neat installation,fasten wire management devices to rails and flange nut with self-drillingscrews. Repeat the procedure until all modules are installed. Attach the - Rail outside edge of the last module to the rail with end damps. Trim off any excess rail,being careful not to cut into the roof. Mid clamp Allow half an inch between the end damp and the.end of the rail (Fig.18). Figure 19 High-lipped module — (cross section) Spacer cffb Law-iipped module (cross section) I SolorMount rail SolarMount rail Figure 20.Mid clamps and end clamps for lipped frame modules are identical. A spacer for the end damps is necessary only if the lips are located high on the module frame. I.,[ 20 SolarMount Unirac Code-Compliant Installation Manual N U N I RAC [3.3] installing SolarMount with bottom mounting clips This section covers SolarMount rack assembly where the installer has elected to use bottom mounting clamps to secure modules to the rails. It details the procedure for flush mounting SolarMount systems to a pitched roof. PV modules(face down) i rai J 1 -f` Footing bolt slot jottom mounting clip Figure 21.SMR and CB components Table 14. Wrenches and torque Wrench Recommended Stainless steel hardware can seize up,a process size torque(ft-ibs) calledgalling. Tosignificantlyrrduceits /," hardware ''/s" 10 A likelihood,(1)apply lubricant to bolts,preferably 3 9 an anti-seize lubricant available at auto parts hardware /,d" 30 stores,(2)shade hardwore prior to instaffatierr, Note Torque specifications do not apply to log bolt and(3)avoid spinning on nuts at high speed. connections. See Installation Supplement 910,Galling and Its Prevention,atwww.unirac.com- 21 :'UNI RAC Unirac Code-Compliant Installation Manual SolarMount [3.3.1.1 Planning the installation area Distance between � lag bolt centers Decide on an arrangement for clips,rails,and L-feet(Fig.22). .zriDisto Use Arrangement A if the full width of the rails contacts the between modduleull moo unting holes module- otherwise use Arrangement B. — - Caution.:Ifyou choose ArrangementA either � PV module (1)use the upper mounting holes of the L feet or (2)be certain that the L-feet and clip positions don't Module boll Clip conflict. I If rails must be parallel to the rafters,it is unlikely that they can be spaced to match rafters. In that case,add structural - . t-foot supports–either sleepers over the roof or mounting blocks .--Lao moll beneath it- These additional members-must meet code;ifin doubt,consult a professional engineer. Distance between —lag bolt centers— Never secure the footings to the roof decking alone. Such an 1/2_7/811 /2_71 arrangement willnotmeetcode and-leaves theinstallation Distance between and the roof itself vulnerable to severe damage from wind. module mounting holes J Q Leave enough room to safely move around the array during installation. The width of grail-module assemblyequah the length of one module. Note that L-feet may extend beyond the width of the assembly by as much as 2 inches on each side. The length of the assembly equals the total width of the i q modules. Figure 22.Clip Arrangements A and B N" 22 w SolarMount Vnirac Codi-Compliant Installation Manual _UNI RAC [3.3.21 saying out the ins ffiigL=feet L-feet are used for installation through existing low profile roofing material,such as asphalt shingles or sheet metal. They I I are also used for most ground mount i �I installations_ To erxsure that the L.-feet wAl I Install Second be easily accessible during flush installation: • Use the PV module mounting holes nearest the ends of the modules. SolarMouht Rails • Situate the rails so that footing bolt slots face outward. The single slotted square side of the L-foot — must always he against the roof with theLInsta First double-slotted side perpendicular to the __i roof_ - Foot spacing(along the same rail)and rail Lowr P �I! overhang depend on design wind loads. roof Install half the L-feet eage Rafters • If rails are perpendicular to rafters (Fig.23),install the feet closest to Figure 23.Layout with rails perpendicular to raftem the lower edge of the roof. • If rails are parallel to rafters (Fig.24),install the feet for one of the rails,but not both. For the L,feet being installed now,drill pilot holes through the roofing into the center of Rafters,. Install the rafter at each lag screw hole location. ,, First Squirt sealant into the hole and onto the shafts of the lag screws. Seal the underside of the L-feetwith a sealant. Securely fasten the L-feet to the building structure with the lag screws. Ensure that the L-feet face as shown in Figure 23 or Figure 24. t- Hold the rest of the L-feet and fasteners aside until the panels are ready for the installation- I� Mai i �a -. Blocks -- Install L-t:;°t Second Figure 24.Layout with rails parallel to rafters. Pa 23 41 ®_U>N I RAC Uniruc Code-Compliant Installation Manual solarMount [3.3.3] Attachingmodules to the raffs Lay the modules for a given panel face down on a surface that will not damage the module glass. Align the edges of the modules and snug them together (Fig.21,page 22). Trim the raiLs to the total width of the modules to be mounted. Place-a rail adjacent to the-outer mounting holes. Orient the footing bolt slot outward. Place a clip slot adjacent to the mounting holes,following the arrangement you selected earlier. Assemble the clips,mounting bolts,and flange nuts. Torque the flange nuts to 10 foot-pounds. [3.3.4] Installing the module-rail assembly Bring the module-rail assembly to the installation site. Keep rail slots free of debris that might cause bolts to bind in the Clip slots. slots Consider the weight of a fully assembled panel. Unirac recom- r Mounting mends safety lines whenever lifting one to a roof. &-- Align the panel with the previously installed L-feet. Slide 3/8 lange inch L-foot mounting bolts onto the rail and align them with Footing the L-feet mounting holes. Attach the panel to the L-feet and bolt slot nut finger tighten the flange nuts. Rails may be attached to either of two mounting holes in the footings(Fig.25). • Mount in the lower hole for a low,more aethetically Figure 25.Leg-to-rail attachment pleasing installation. • -Or mount in the upper hole tamaxinlize a cooling airflow under the modules. This may enhance perfor- mance in hotter climates. Adjust the position of the panel as needed to fit the installa- tion area. Slide the remaining L-feet bolts onto the other rail, attach L-feet,and finger tighten with flange nuts. Align L-feet with mounting holes previously drilled into the roof. Install lag bolts into remaining L-feet as described in"Laying out and installing L-feet"above. Torque all footing flange nuts to 30 foot-pounds. Verify that all lag bolts are securely fastened. ft" 24 SoiarMount Unirac Cade-Compliant lnsta Uation Manual ;:a U N I RAC [3.4] Installing SolarMount with grounding clips and Ings Clips and lugs are sold separwty. UGC-1 T rap mounting clamps I l l Module I I l° T-bolt *4 Nb o+r l I Pigure26.Slide UGC-1 grounding a j-w UGC-1 t j`` dip into top mounting slot of rail (Ma Torque modules in place on top of eorAor to clip.Nibs will penetrate rail anod- uL St. chid 467 ization and create grounding path through rail(see Pig.3,reverse side). SolarMount@ rail(any type) r Pigure 27. Insert a bolt in the WEEBLug aluminum rail or through the clearance hole in the stainless steel. flat washer.Place the stainless steel flat washer on the bolt,oriented _..- so the dimples will contact the aluminum rail.Place the lug portion on the bolt and stainless steel flat washer.Install stainless steelflat washer,lock washer and nut. WEEBLug Tighten the nut until the dimples are completely embedded into the rail _ and lug.The embedded dimples make Stainless Steel Flat agar-tight mechanical connection Washer(W EEB) and ensure good electrical connection ,✓'` between the aluminum rail and the _-_-= :0 lug through the YOM. 57foi/ulouni®rail (any type) Figure 28.U49C-1 layout for even Figure 24.Single wiregrounding and odd number of modules in row. with spliced rails. — — "71"denotes places to install UGC-1. Ker ' PV module _ I m. 0 SdorMaunl rail(any type ce X Grmn lin . - X Grounding lug Even Number of Modules in row — copper wire Odd Number of Modules in row Single grounding wire for entire array Pvpe 25 a1UNIRAC Unirac Code-Compliant InstallatianManual SolarMount 10 year limited Product Warranty, 15 year}_united Finish Warranty Unirac,Inc.,warrants to the original purchaser specified byAAMA 609&610-02—"Cleaning If within the specified Warranty periods the ("Purchaser")of product(s)that it manufactures and Maintenance for Architecturally Finished Product shall be reasonably proven to be ('Product")at the original installation site that Aluminum"(www.aam2net.org)are not followed defective,then Unirac shall repair or replace the the Product shall be free from defects in material by Purchaser.This Warranty does not cover defective Product,or any part thereof,in Unirac's and workmanship for a period of ten(10)years, damage to the Product that occurs during its sole discretion.Such repair or replacement shall except for the anodized finish,which finish shipment,storage,or installation. completely satisfy and discharge afl of Unirac's shall be free from visible peeling,or cracking or liability with respect to this limited Warranty. This Warranty shall be VOID if installation of the chalking under normal atmospheric conditions Product is not performed in accordance with Under no circumstances shall Unirac be liable for a period of five(5)years,from the earlier Unirac's written installation instructions,or if the for special,indirect or consequential damages of 1)the date the installation of the Product is Product has been modified,repaired,or reworked arising out of or related to use by Purchaser of completed,or 2)30 days after the purchase of the Product. in a manner not previously authorized by Unirac the Product by the original Purchaser("Finish INtT -or ff the-Product is installed In Nanufacturers of related items,such as PV Warranty"), an environment for which It was not designed, modules and flashings,may provide written The Finish Warranty does not apply to any foreign Unirac shall not be liable for consequential, warranties of their own.Unirac's limited Warranty residue deposited on the finish.All installations contingent or incidental damages arising out of covers only its Product,and not any related items. In corrosive atmospheric conditions are excluded. the use of the Product by Purchaser under any The Finish Warranty is VOID if the practices circumstances. �� I RAC 1411 Broadway Boulevard NE Albuquerque NM 87102-1545 USA 26 Product Data Sheet -DU22a RB Safety Switch , 30A, Non-Fusible, 2-Pole In 5G1tJARE Schneider etec =;c List Price $177.00 USD Availability Stock Item:This Item Is normally stocked In our distribution facility. Technical Characteristics Number of Poles 2-Pole Terminal Type Lugs Type of Duty Gemral Duty Maximum Voltage Rating 240VAC Wire Size #14 to#8 AWG(AI/Cu) Action Single Throw Ampere Rating 30A Approvals UL Listed.File-Number.E28.7.5 Enclosure Rating NEMA 3R Enclosure Type Rainproof and SleetiIce proof(Indoor/Outdoor) Factory Installed Neutral No Disconnect Type Non-Fusible Mounting Type Surface Shipping and Ordering Category 00106-Safety Switch,General Duty,30-200 Amp,NEMA3R 'Discount Schedule 'DEI A GTIN 00785901490340 -Package Quantity 1 Weight 4.62 lbs. Availability Code Stock Item:This item is normally stocked in our distribution facility. Returnability Y Country of Origin MX As standards,specifications,and designs change from time to time,please ask for confirmation of the information given in this document. Generated 06 3IN2010 15:15.03 Ir ©2010 Schneider Electric.All rights reserved. Schneider 1 LIElectric