HomeMy WebLinkAboutLA225623-APPROVED-Vijay Yadav_CAD_1_StampedRevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressPV 0.00010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONCOVER SHEETPHOTOVOLTAIC SYSTEM SPECIFICATIONS:PHOTOVOLTAIC ROOF MOUNT SYSTEM16729 INDIGO RD, LAKEVILLE, MN 55044, USASHEET INDEX:SCALE: NTS2VICINITY MAPPV 0.0SCALE: NTS1SATELLITE VIEWPV 0.044.706954, -93.25548444.706954, -93.25548417 MODULES-ROOF MOUNTED - 6.290 kW DC, 6.528 kW ACPV 0.0: COVER SHEETPV 0.1: PLOT PLANPV 1.0: SITE PLANPV 1.1: ATTACHMENT & STRING LAYOUTPV 1.2: EQUIPMENT ELEVATIONS 1.0: MOUNT DETAILSE 1.1: 3-LINE DIAGRAME 1.2: WIRE CALCULATIONE 1.3: WARNING LABELSE 1.4: PLACARDD 1.1+: EQUIPMENT SPEC SHEETGENERAL ELECTRIC NOTES:1. ALL COMPONENTS ARE UL LISTED AND CEC CERTIFIED, WHERE WARRANTED.2. THE SOLAR PV SYSTEM WILL BE INSTALLED IN ACCORDANCE WITH ARTICLE 690 OF THE NEC2023.3. THE UTILITY INTERCONNECTION APPLICATION MUST BE APPROVED AND PV SYSTEM INSPECTEDPRIOR TO PARALLEL OPERATION.4. ALL CONDUCTORS OF A CIRCUIT, INCLUDING THE EGC, MUST BE INSTALLED IN THE SAMERACEWAY, OR CABLE, OR OTHERWISE RUN WITH THE PV ARRAY CIRCUIT CONDUCTORS WHENTHEY LEAVE THE VICINITY OF THE PV ARRAY.5. WHERE METALLIC CONDUIT CONTAINING DC CONDUCTORS IS USED INSIDE THE BUILDING, ITSHALL BE IDENTIFIED AS "CAUTION: SOLAR CIRCUIT" EVERY 10FT.6. HEIGHT OF THE AC DISCONNECT SHALL NOT EXCEED 6'-7" PER NEC CODE 240.24.7. A GROUNDING ELECTRODE SYSTEM IN ACCORDANCE WITH CEC 690.47 AND 250.50 THROUGH 60AND 250-166 SHALL BE PROVIDED. PER NEC GROUNDING ELECTRODE SYSTEM OF EXISTINGBUILDING MAY BE USED AND BONDED TO THE SERVICE ENTRANCE. IF EXISTING SYSTEM ISINACCESSIBLE OR INADEQUATE A SUPPLEMENTAL GROUNDING ELECTRODE WILL BE USED ATTHE INVERTER LOCATION CONSISTING OF A UL LISTED 8 FT. GROUND ROD WITH ACORN CLAMP.GROUNDING ELECTRODE CONDUCTORS SHALL BE NO LESS THAN #8 AWG AND NO LARGERTHAN #6 AWG COPPER AND BONDED TO THE EXISTING GROUNDING ELECTRODE TO PROVIDEFOR A COMPLETE SYSTEM.8. PHOTOVOLTAIC MODULES ARE TO BE CONSIDERED NON-COMBUSTIBLE.9. PHOTOVOLTAIC INSTALLATION WILL NOT OBSTRUCT ANY PLUMBING. MECHANICAL, OR BUILDINGROOF VENTS.10. ALL WIRING MUST BE PROPERLY SUPPORTED BY DEVICES OR MECHANICAL MEANS DESIGNEDAND LISTED FOR SUCH USE. WIRING MUST BE PERMANENTLY AND COMPLETELY HELD OFF THEROOF SURFACE.11. ALL SINAGE TO BE PLACED IN ACCORDANCE WITH THE LOCAL BUILDING CODE. IF EXPOSED TOSUNLIGHT, IT SHALL BE UV RESISTANT. ALL PLAQUES AND SINAGE WILL BE INSTALLED ASREQUIRED BY THE NEC AND AHJ.12. AS SPECIFIED BY THE AHJ, EQUIPMENT USED IN UNGROUNDED SYSTEMS LABELED ACCORDINGTO NEC 690.35(F).13. INVERTER(S) USED IN UNGROUNDED SYSTEM SHALL BE LISTED FOR THIS USE [NEC 690.35(G)].14. THE INSTALLATION OF EQUIPMENT AND ALL ASSOCIATED WIRING AND INTERCONNECTIONSHALL BE PERFORMED ONLY BY QUALIFIED PERSONS [NEC 690.4(C)]15. ALL OUTDOOR EQUIPMENT SHALL BE NEMA 3R RATED (OR BETTER), INCLUDING ALL ROOFMOUNTED TRANSITION BOXES AND SWITCHES.16. ALL EQUIPMENT SHALL BE PROPERLY GROUNDED AND BONDED IN ACCORDANCE WITH NECARTICLE 250.17. SYSTEM GROUNDING SHALL BE IN ACCORDANCE WITH NEC 690.41.18. PV SYSTEM CIRCUITS INSTALLED ON OR IN BUILDINGS SHALL INCLUDE A RAPID SHUTDOWNFUNCTION IN ACCORDANCE WITH NEC 690.1219. DISCONNECTING MEANS SHALL BE LOCATED IN A VISIBLE, READILY ACCESSIBLE LOCATIONWITHIN THE PV SYSTEM EQUIPMENT OR A MAXIMUM OF 10 FEET AWAY FROM THE SYSTEM [NEC690.13(A)]20. ALL WIRING METHODS SHALL BE IN ACCORDANCE WITH NEC 690.3121. WORK CLEARANCES AROUND ELECTRICAL EQUIPMENT WILL BE MAINTAINED PER NEC110.26(A)(1), 110.26(A)(2) AND 110.26(A)(3).22. ROOFTOP MOUNTED PHOTOVOLTAIC PANELS AND MODULES SHALL BE TESTED, LISTED &IDENTIFIED IN ACCORDANCE WITH UL170323. ELECTRICAL CONTRACTOR TO PROVIDE CONDUIT EXPANSION JOINTS AND ANCHOR CONDUITRUNS AS REQUIRED PER NEC.AUTHORITIES HAVING JURISDICTION:BUILDING: CITY OF LAKEVILLEZONING: CITY OF LAKEVILLEUTILITY: DAKOTA ELECTRIC ASSOCIATIONUTILITY METER NO: 1ND91240014SYSTEM SIZE: 6.290 kW DC6.528 kW ACMODULE TYPE & AMOUNT: (17)SUNPOWER U-SERIES DNA 120 BIFICIAL 370WMODULE DIMENSIONS:(L/W/H) 69.37"/41.26"/1.38"INVERTER:(17)SUNPOWER (SPR-A5) [240V, 1 PHASE]INTERCONNECTION METHOD: SUPPLY SIDE TAP GENERAL STRUCTURAL NOTES:a. THE SOLAR PANELS ARE TO BE MOUNTED TO THE ROOF FRAMING USINGTHE PEGASUS & INVISIMOUNT RAIL SYSTEM. THE MOUNTING FEET ARE TOBE SPACED AS SHOWN IN THE DETAILS, AND MUST BE STAGGERED TOADJACENT FRAMING MEMBERS TO SPREAD OUT THE ADDITIONAL LOAD.b. UNLESS NOTED OTHERWISE, MOUNTING ANCHORS SHALL BE 516" LAGSCREWS WITH A MINIMUM OF 2 12" PENETRATION INTO ROOF FRAMING.c. THE PROPOSED PV SYSTEM ADDS 3.0 psf TO THE ROOF FRAMING SYSTEM.1. ROOF LIVE LOAD = 20 psf TYPICAL, 0 psf UNDER NEW PV SYSTEM.2. GROUND SNOW LOAD = 50 psf3. WIND SPEED = 109 mph4. EXPOSURE CATEGORY = BGOVERNING CODESALL WORK SHALL CONFORM TO THE FOLLOWING CODESa. 2023 NATIONAL ELECTRICAL CODEb. 2020 MINNESOTA RESIDENTIAL CODEc. 2020 MINNESOTA BUILDING CODEd. 2024 MINNESOTA ENERGY CODEe. 2020 MINNESOTA ACCESSIBILITY CODEf. 2020 MINNESOTA MECHANICAL AND FUEL GAS CODEg. 2020 MINNESOTA PLUMBING CODEh. 2020 MINNESOTA STATE FIRE CODEi. ANY OTHER LOCAL AMENDMENTSSigned: 07/16/2024Professiona
l Engineer I hereby certify that this plan, specification, or report was prepared by me or under my direct
supervision
and that I am a duly
Licensed Professional
Engineer
under the laws of the state o
f Minnesota. Signature: Typed or Printed Name: EUGENE MUNYANZIZADate: License Number: 61220Concept Approval ONLYSubject to Field InspectionInspectorDate2015MN BldgCode07/18/2024jnuetzman
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78'-2"6'-11"9'-2"NRevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressPV 0.10010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONPLOT PLANSCALE: 3/64" = 1'-0"1PLOT PLANPV 0.1PARCEL: 228330004080PROPERTY LINEFENCE LINEDRIVEWAYSYSTEM LEGENDLOT: 0.33 ACRES ROOF ACCESS POINTROOF ACCESS POINTS SHALL BE LOCATEDIN AREAS THAT DO NOT REQUIRE THEPLACEMENT OF GROUND LADDERS OVEROPENINGS SUCH AS WINDOWS OR DOORS,AND LOCATED AT STRONG POINTS OFBUILDING CONSTRUCTION IN LOCATIONSWHERE THE ACCESS POINT DOES NOTCONFLICT WITH OVERHEAD OBSTRUCTIONSSUCH AS TREE LIMBS, WIRES, OR SIGNS.NOTE :1. 24/ 7 UNESCORTED KEYLESS ACCESS IS TO BEPROVIDED FOR ALL UTILITY EQUIPMENT.2. AC DISCONNECT SHOULD BE LOCATED TOGETHER IN AREADILY ACCESSIBLE LOCATION WITHIN 10’ OF THE MAINSERVICE METER.P
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GARAGEROOF ACCESS POINTROOF #1(07)SUNPOWER U-SERIES DNA 120 BIFICIAL 370WSLOPE: 34°AZIM.: 132°ROOF #2(10)SUNPOWER U-SERIES DNA 120 BIFICIAL370WSLOPE: 20°AZIM.: 222°TREESFENCESigned: 07/16/2024Professiona
l Engineer I hereby certify that this plan, specification, or report was prepared by me or under my direct
supervision
and that I am a duly
Licensed Professional
Engineer
under the laws of the state o
f Minnesota. Signature: Typed or Printed Name: EUGENE MUNYANZIZADate: License Number: 61220
NRevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressPV 1.00010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONSITE PLANSCALE: 1/8" = 1'-0"1SITE PLANPV 1.0ROOF SECTIONSMODULE - 10SLOPE - 20°AZIMUTH - 222°MATERIAL - COMP. SHINGLETRUSS SIZE & SPACING - 2"X4" @ 24" O.C.MODULE - 07SLOPE - 34°AZIMUTH - 132°MATERIAL - COMP. SHINGLETRUSS SIZE & SPACING - 2"X4" @ 24" O.C.ROOF #01ROOF #02SYSTEM LEGEND17 NEW SUNPOWER U-SERIES DNA 120BIFICIAL 370W MODULES NEW 17 -SUNPOWER (SPR-A5) [240V, 1 PHASE]INVERTERS, MOUNTED ON THE BACK OFEACH MODULE.= ROOF OBSTRUCTIONSAC= EXTERIOR RUN= CONDUIT ROOF TOP JUNCTION BOXEXISTING EXTERIOR UTILITY METER#1ND91240014.ROOF FIRE SUPPRESSION SPRINKLERSYSTEM: NOTOTAL ROOF AREA: 2330ft2TOTAL MODULE AREA: 338ft2TOTAL AREA COVERED: 14.50%MEXISTING INTERIOR MAIN SERVICE PANELNEW UTILITY AC DISCONNECT SWITCH.CNEW DEDICATED PV SYSTEM COMBINERPANEL.= FIRE PATHWAY ROOF ACCESS POINTROOF ACCESS POINTS SHALL BE LOCATED IN AREASTHAT DO NOT REQUIRE THE PLACEMENT OF GROUNDLADDERS OVER OPENINGS SUCH AS WINDOWS ORDOORS, AND LOCATED AT STRONG POINTS OF BUILDINGCONSTRUCTION IN LOCATIONS WHERE THE ACCESSPOINT DOES NOT CONFLICT WITH OVERHEADOBSTRUCTIONS SUCH AS TREE LIMBS, WIRES, OR SIGNS.PNEW UTILITY PV PRODUCTION METER.PVS6NEW SUNPOWER PVS6 MONITORING SYSTEM.NOTE :1. 24/ 7 UNESCORTED KEYLESS ACCESS IS TO BE PROVIDEDFOR ALL UTILITY EQUIPMENT.2. AC DISCONNECT SHOULD BE LOCATED TOGETHER IN AREADILY ACCESSIBLE LOCATION WITHIN 10’ OF THE MAINSERVICE METER.16729 INDIGO RDFRONT OF HOUSE18" FIRE SETBACK18" FIRE SETBACK
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l Engineer I hereby certify that this plan, specification, or report was prepared by me or under my direct
supervision
and that I am a duly
Licensed Professional
Engineer
under the laws of the state o
f Minnesota. Signature: Typed or Printed Name: EUGENE MUNYANZIZADate: License Number: 61220
NRevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressPV 1.10010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONATTACHMENT &STRING LAYOUTSYSTEM LEGENDSCALE: 1/8" = 1'-0"1ATTACHMENT AND STRING LAYOUTPV 1.1= ATTACHMENT POINTS(37 Nos)= TRUSS# MODULE - 10CIRCUIT #01# MODULE - 07CIRCUIT #02CIRCUIT(S)= RAIL SYSTEM4'-0"NOTE: THE MAXIMUM CANTILEVER OF THE RAILSHALL BE 1/3 OF THE ATTACHMENT SPACING.MODULE, ARRAY & ATTACHMENT POINT WEIGHTQuantityLbs./UnitLbs./Qty.Module1745.2 768.40Mount Blk37 4.50 166.50Coupling Blk26 4.00 104.00Microinverters172.38 40.46Flashing37 1.00 37.00Slidecomp37 1.00 37.00Clip SS171.00 17.00Total Point Attachment Load per Standoff31.63Total System Weight (LBS.)1170.36Attachment Point Weight (LBS.) Per Sq.Ft.System Weight / Array Area3.46ARRAY AREAModule AreaModule Dim (69.37" x 41.26")19.88 SQ. FT.Area of Array337.90 SQ. FT.Roof Area2330 SQ. FT.Roof Coverage (in percentage)Roof Area/Array Area14.50%2'-0"Signed: 07/16/2024Professiona
l Engineer I hereby certify that this plan, specification, or report was prepared by me or under my direct
supervision
and that I am a duly
Licensed Professional
Engineer
under the laws of the state o
f Minnesota. Signature: Typed or Printed Name: EUGENE MUNYANZIZADate: License Number: 61220
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressPV 1.20010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONEQUIPMENTELEVATIONSCALE: NTS1EQUIPMENT ELEVATIONPV 1.23'MAINTAIN 3 FEETCLEARANCE FROM THEGAS UNIITEXTERIOR WALLUTILITY METER #1ND91240014.DEDICATED PV SYSTEM COMBINER PANEL.UNDERGROUND SERVICE4'MAIN SERVICE PANEL.INTERIOR WALLFROM PV ARRAYUTILITY PV PRODUCTION METERUTILITY AC DISCONNECT SWITCHNEW SUNPOWER PVS6MONITORING SYSTEM.TO MAIN SERVICE PANEL.FROM PVPRODUCTION METERFROM UTILITY METER
2ATTACHMENT DETAIL (enlarged view)S 1.0SCALE: NTS1ATTACHMENT DETAILS 1.0SCALE: NTSPV MODULES2"X4
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TRUSS @
24"
OCMAXIMUM HEIGHT 6" FROM TOPOF THE ROOF TO TOP OF PANELSEE (2/S1.0) FORENLARGED VIEWPV MODULETOP BOLTGROUNDING & END/MID CLAMP2"X4" TRUSS @ 24" OCFLASHING(E) COMP SHINGLE ROOF(E) COMP SHINGLE ROOF(1) 5/16" SS LAG BOLT WITH MIN 212"THREAD EMBEDMENT, SEALEDPENETRATION INTO TRUSS.SUNPOWER INVISIMOUNT RAILPEGASUS L-FOOTRevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressS 1.00010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONMOUNT DETAILS GENERAL STRUCTURAL NOTES:a. THE SOLAR PANELS ARE TO BE MOUNTED TO THE ROOF FRAMING USINGTHE PEGASUS & INVISIMOUNT RAIL SYSTEM. THE MOUNTING FEET ARE TOBE SPACED AS SHOWN IN THE DETAILS, AND MUST BE STAGGERED TOADJACENT FRAMING MEMBERS TO SPREAD OUT THE ADDITIONAL LOAD.b. UNLESS NOTED OTHERWISE, MOUNTING ANCHORS SHALL BE 516" LAGSCREWS WITH A MINIMUM OF 2 12" PENETRATION INTO ROOF FRAMING.c. THE PROPOSED PV SYSTEM ADDS 3.0 psf TO THE ROOF FRAMING SYSTEM.1. ROOF LIVE LOAD = 20 psf TYPICAL, 0 psf UNDER NEW PV SYSTEM.2. GROUND SNOW LOAD = 50 psf3. WIND SPEED = 109 mph4. EXPOSURE CATEGORY = BSigned: 07/16/2024Professiona
l Engineer I hereby certify that this plan, specification, or report was prepared by me or under my direct
supervision
and that I am a duly
Licensed Professional
Engineer
under the laws of the state o
f Minnesota. Signature: Typed or Printed Name: EUGENE MUNYANZIZADate: License Number: 61220
N20AG15APRODUCTION CT(NEW)SUNPOWERPVS6MONITORINGSYSTEMGNNL1MBI-DIRECTIONALUTILITY METER1-PHASE, 3-W,120V/240VTO UTILITY GRIDL2100AEXISTING 240V/100ABUSBAR RATING,SERVICE PANEL,SINGLE PHASE, WITHA 100A MAINDISCONNECTEXISTING GROUNDINGELECTRODE SYSTEMML1NL2L1NL2LINELOAD(NEW) UTILITY ACDISCONNECTSWITCH, 240V/60A,FUSED, NEMA3R#6 AWG COPPERGROUNDPOINT OF INTERCONNECTION:SUPPLY SIDE TAP(IT350 POLARIS LUGS)REFERENCE POINT OFAPPLICABILITY (RPA)<10 FTSURGE PROTECTIONDEVICE MNSPD-300-AC434(NEW) 125A PV SYSTEMCOMBINER PANEL, 240V,NEMA 3R, 1 PHASE20AVISIBLE-OPEN LOCKABLE,READILY ACCESSIBLE20A17 NEW SUNPOWER U-SERIES DNA 120 BIFICIAL 370W MODULESNEW 17 - SUNPOWER (SPR-A5) [240V, 1 PHASE]INVERTERS, MOUNTED ON THE BACK OF EACH MODULE.07 MICRO-INVERTERS IN BRANCH CIRCUIT #22GL1L1L2L2110 MICRO-INVERTERS IN BRANCH CIRCUIT #1L1L1L2L2TERMINATOR CAP ONLAST CABLE CONNECTORQ-CABLE (TYP)INVERTER: SUNPOWER(SPR-A5) [240V, 1 PHASE](NEW) # JUNCTIONBOX 600V, NEMA 4 UL LISTEDG40A FUSESNEW GROUNDINGELECTRODE SYSTEM(NEW) 125A UTILITY PVPRODUCTIONMETER SOCKET.U7487-RL-TG-KK-CE1-PHASE, 3-WIRE120/240VCONSUMPTION CTRevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressE 1.10010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATION3-LINE DIAGRAMDC System Size (Watts)AC System Size (Watts)Total Module CountPhotovoltaic System6290652817AHJ: CITY OF LAKEVILLEUTILITY: DAKOTA ELECTRIC ASSOCIATIONAC DISCONNECT TO BE INSTALLEDWITHIN 10FT FROM UTILITY METER.Conduit Conductor Schedule (Unless Otherwise Specified Conductors Shall be Copper)DescriptionInverter Output(Enphase Q Cable)EGC (Bare Copper Ground)Wire Gauge# of Conductors/ColorConduit TypeConduit SizeTag #4(2L1, 2L2)1 BAREFree AirFree AirN/AN/A112 AWG6 AWGInverter Output (THWN-2)EGC (THWN-2)12 AWG12 AWG1 (GRN)3/4"3/4"4(2L1, 2L2)Inverter Output (THWN)EGC (THWN)6 AWG10 AWG3(L1, L2, N) B/R/W1 (GRN)333(L1, L2, N) B/R/W4Inverter Output (THWN)6 AWG2SCH 80 PVC121"1"1"SCH 80 PVCSCH 80 PVCINVERTER SPECIFICATIONSMANUFACTURERMAX. POWER AT 40 C59 VOLTSNOMINAL AC VOLTAGE384 WATTSMAX. AC CURRENT240 VOLTSMAX. OCPD RATINGMAX. PANELS/CIRCUITSHORT CIRCUIT CURRENT1.60 AMPS20 AMPSMAX. DC VOLT RATING1015 AMPSSUNPOWER (SPR-A5) [240V, 1 PHASE]PV MODULE RATING @ STCMANUFACTURERSUNPOWER U-SERIES DNA 120 BIFICIAL370WMAX. POWER-POINT CURRENT (IMP) 10.72 AMPSMAX. POWER-POINT VOLTAGE (VMP)34.5 VOLTSOPEN-CIRCUIT VOLTAGE (VOC) 41.4 VOLTSSHORT-CIRCUIT CURRENT (ISC)11.26 AMPSNOM. MAX. POWER AT STC (PMAX)370 WATTSMAX. SYSTEM VOLTAGE1500V (IEC) / 1500V (UL)VOC TEMPERATURE COEFFICIENT−0.26% / °CNOTE :1. 24/ 7 UNESCORTED KEYLESS ACCESS IS TO BE PROVIDEDFOR ALL UTILITY EQUIPMENT.2. AC DISCONNECT SHOULD BE LOCATED TOGETHER IN AREADILY ACCESSIBLE LOCATION WITHIN 10’ OF THE MAINSERVICE METER.SCH 80 PVCSCH 80 PVC
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressE 1.20010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONWIRECALCS Rooftop conductor ampacities designed in compliance with art. 690.8,Tables 310.15(B)(2)(a), 310.15(B)(3)(a), 310.15(B)(3)(c), 310.15(B)(16),Chapter 9 Table 4, 5, & 9. Location specific temperature obtained fromASHRAE 2017 data tablesAMBIENT TEMP (HIGH TEMP 2%)RECORD LOW TEMP-26°32°CONDUIT HEIGHTOn RoofCONDUCTOR TEMPERATURE RATE ON ROOF90°OCPD CalculationsBreakers sized according to continuous duty output current. PV circuit nominal current based off #of modules per Circuit X (1.25[art. 690.8(A)]) X (1.60 Max AC current per micro-inverter)Circuit #1 = 10 modules, Output Current w/ continuous duty = 20.00 <= 20A BreakerCircuit #2 = 07 modules, Output Current w/ continuous duty = 14.00 <= 20A Breakersystem output current w/ continuous duty = 34.00 <= 40A (System OCPD)NUMBER OF CURRENTCARRYING CONDUCTORS INCONDUIT4-67-910-20PERCENT OF VALUES.80.70.50THIS PANEL IS FED BY MULTIPLE SOURCES (UTILITYAND SOLAR)AC OUTPUT CURRENT ACCORDING TO ART. 690.8(B)(1)NOMINAL AC VOLTAGE240V27.20ACONDUCTOR TEMPERATURE RATE OFF ROOF75°·Designed according to and all code citations are relevant to the 2023 National Electrical Code.·Tag 2-Use 96% temperature derate for conditions of use (On Roof)·Tag 3 - Use 94% temperature derate for conditions of use (adjusted ambient)·Bottom of conduit to be installed min. 7/8" above roof surface.·System grounding & bonding designed in compliance with 690.47(C)3 and 250.64(E)·Equipment shall be listed, tested, and marked to withstand the available short circuit currentELECTRICAL NOTESConductor CalculationsWire gauge calculated from code art. 310.15(B)(16) with ambient temperature calculations from art. 310.15(B)(2)(a).For "On Roof" conductors we use the 90°C column ampacity, the relevant ambient temperature adjustment, and racewayfill adjustments from 310.15(B)(16). Conduit shall be installed at least 1" above the roof deck.For "Off Roof" conductors we use the 75°C column ampacity, or the 75°C column ampacity with the relevant ambienttemperature and raceway fill adjustments, whichever is less.The rating of the conductor after adjustments MUST begreater than, or equal to, the continuous duty uprated output current.Calculation Example - Wire Rating (90°C) x Ambient Temperature Adjustment x Conduit Fill Adjustment >= ContinuousDuty Output Current(Tag 2 On Roof):12 gauge wire rated for 30 A, 30 A x 0.96 x 0.8 (4 Conductors) = 23.04A > 20.00A(Tag 3,4 Off Roof):6 gauge wire rated for 65A , 65A x 0.94 =61.1A > 34.00A (System Output Current)INVERTER SPECIFICATIONSMANUFACTURERMAX. POWER AT 40 C59 VOLTSNOMINAL AC VOLTAGE384 WATTSMAX. AC CURRENT240 VOLTSMAX. OCPD RATINGMAX. PANELS/CIRCUITSHORT CIRCUIT CURRENT1.60 AMPS20 AMPSMAX. DC VOLT RATING1015 AMPSSUNPOWER (SPR-A5)PV MODULE RATING @ STCMANUFACTURERSUNPOWER U-SERIES DNA 120BIFICIAL 370WMAX. POWER-POINT CURRENT (IMP) 10.72 AMPSMAX. POWER-POINT VOLTAGE (VMP)34.5 VOLTSOPEN-CIRCUIT VOLTAGE (VOC) 41.4 VOLTSSHORT-CIRCUIT CURRENT (ISC)11.26 AMPSNOM. MAX. POWER AT STC (PMAX)370 WATTSMAX. SYSTEM VOLTAGE1500V (IEC) / 1500V (UL)VOC TEMPERATURE COEFFICIENT−0.26% / °C
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressE 1.30010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONWARNINGLABELS LABEL LOCATION: RSD INITIATION DEVICE, AC DISCONNECTPER CODE: NEC 690.56(C)(2)ELECTRICAL SHOCK HAZARDTERMINALS ON THE LINE ANDLOAD SIDES MAY BE ENERGIZEDIN THE OPEN POSITIONWARNINGLABEL LOCATION: COMBINER PANEL, ACDISCONNECT, POINT OF INTERCONNECTIONPER CODE: NEC 706.15(C)(4), NEC 690.13(B)LABEL LOCATION: MAIN SERVICE DISCONNECT, UTILITY METERPER CODE: NEC 690.13(B)LABEL LOCATION: COMBINER PANEL(S), MAIN SERVICE DISCONNECTPER CODE: NEC 110.27(C), OSHA 1910.145(f)(7)LABEL LOCATION: AC DISCONNECTPER CODE: NEC 690.13(B)LABEL LOCATION: MAIN SERVICE DISCONNECTPER CODE: NEC 690.56(C)!LABEL LOCATION: DC CONDUIT/RACEWAYSPER CODE: NEC 690.31(D)(2)LABEL LOCATION: AC DISCONNECT/POINT OF INTERCONNECTIONPER CODE: NEC 690.54DO NOT DISCONNECTUNDER LOADLABEL LOCATION: MAIN SERVICE DISCONNECTPER CODE: NEC 690.15(B) & NEC 690.33(D)(2)DUAL POWER SOURCESECOND SOURCE IS PHOTOVOLTAIC SYSTEMWARNING!LABEL LOCATION: MAIN SERVICE DISCONNECT, PRODUCTION/NET METERPER CODE: NEC 690.59, 705.12(C)!PHOTOVOLTAICAC DISCONNECTPHOTOVOLTAIC POWER SOURCEPHOTOVOLTAIC SYSTEM AC DISCONNECTRATED AC OUPUT CURRENT: 27.20 ANOMINAL OPERATING AC VOLTAGE: 240 VTURN OFF PHOTOVOLTAIC ACDISCONNECT PRIOR TOWORKING INSIDE PANELWARNING!SOLAR PV SYSTEM EQUIPPEDWITH RAPID SHUTDOWNSOLAR ELECTRICPV PANELSTURN RAPID SHUTDOWNSWITCH TO THE"OFF" POSITION TOSHUT DOWN PV SYSTEMAND REDUCESHOCK HAZARDIN THE ARRAYMAIN PHOTOVOLTAICSYSTEM DISCONNECTRAPID SHUTDOWN FORSOLAR PV SYSTEM
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressE 1.40010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONPLACARD POWER TO THIS BUILDING IS ALSO SUPPLIED FROM THEFOLLOWING SOURCES WITH DISCONNECTS LOCATED AS SHOWNCAUTION ! MULTIPLE SOURCES OF POWERServiced by Wolf River ElectricContact: (763) 229-6662NMAIN SERVICE PANELUTILITY METERUTILITY PV PRODUCTIONMETERUTILITY AC DISCONNECTCOMBINER PANELSUNPOWER PVS6MONITORING SYSTEM16729 INDIGO RDPHOTOVOLTAICARRAY
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.10010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONMODULESPEC SHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.20010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONINVERTERSPEC SHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.2A0010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONINVERTERCOMPLIANCECERTIFICATE
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.30010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONMONITORINGSPEC SHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.40010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONRAIL SPECSHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.50010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONMOUNTINGSPEC SHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.60010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONSPD SPEC SHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.70010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONTAP KITSPEC SHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.80010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONPV METERSPEC SHEET
RevSheet NameSheet SizeSheet NumberANSI B11" X 17"DateDescriptionREVISIONSSignature with SealProject Name &AddressD 1.90010-July-2024CAD 1DESIGNED BY:TRIVENT CAD SOLUTIONWOLF RIVER ELECTRIC101 ISANTI PARKWAY NE, SUITE GISANTI, MN 55040ELECTRICAL LICENSE# EA777669BUILDING LICENSE# BC773271CONTACT: (763) 229-6662contact@wolfriverelectric.comVIJAY YADAV RESIDENCE
16729 INDIGO RD, LAKEVILLE, MN 55044
AHJ: CITY OF LAKEVILLE
UTILITY: DAKOTA ELECTRIC ASSOCIATIONMNCHECKLIST
07/16/2024
RE: Structural Certification for Installation of Residential Solar
VIJAY YADAV RESIDENCE:16729 INDIGO RD,, LAKEVILLE, MN 55044
Attn: To Whom It May Concern
Design Criteria
Code 2020 Minnesota Building Code (ASCE 7-16)
Risk category II Wind Load (component and Cladding)
Roof Dead Load Dr 10 psf V 109 mph
PV Dead Load DPV 3 psf Exposure B
Roof Live Load Lr 20 psf
Ground Snow S 50 psf
If you have any questions on the above, please do not hesitate to call.
Sincerely,
This Letter is for the existing roof framing which supports the new PV modules as well as the attachment of the
PV system to existing roof framing. From the field observation report, the roof is made of Composite shingle
roofing over roof plywood supported by 2X4 Trusses at 24 inches. The slope of the roof was approximated to
be 34 degrees.
After review and based on our structural capacity calculation, the existing roof framing has been determined to
be adequate to support the imposed loads without structural upgrades . Contractor shall verify that existing
framing is consistent with the described above before install. Should they find any discrepancies, a written
approval from SEOR is mandatory before proceeding with install. Capacity calculations were done in accordance
with applicable building codes.
Structural Letter for PV Installation
Date:07/16/2024
Job Address:16729 INDIGO RD,
LAKEVILLE, MN 55044
Job Name:VIJAY YADAV RESIDENCE
Job Number:240716VYR
Scope of Work
Table of Content
Sheet 1 Cover2Attachment checks3Snow and Roof Framing Check
4 Seismic Check and Scope of work
Engineering Calculations Summary
Code 2020 Minnesota Building Code (ASCE 7-16)
Risk category II
Roof Dead Load Dr 10 psf
PV Dead Load DPV 3 psf
Roof Live Load Lr 20 psf
Ground Snow S 50 psf
Wind Load (component and Cladding)
V 109 mph
Exposure B
References
2 NDS for Wood Construction
Sincerely,
Signed 07/16/2024
This Letter is for the existing roof framing which supports the new PV modules as well as the attachment of the
PV system to existing roof framing. All PV mounting equipment shall be designed and installed per
manufacturer's approved installation specifications.
Wind Load Cont.
109 mph ASCE 7-16 Figure 26.5-1B
B
1.0 ASCE 7-16 Sec 26.8.2
0.57 ASCE 7-16 Table 26.10-1
0.85 ASCE 7-16 Table 26.6-1
0.96 ASCE 7-16 Table 26.9-1
14.17 psf
34.0 Degrees
1.5 Conservatively assuming all exposed
0.8 conservatively assuming 10 ft2 effective area
Uplift (W)Zone(1,2e,2r)Zone(2n)Zone(3r)Zone(3e)
Fig. 30-3-2 GCp=-1.1 -1.1 -1.45 -1.8
Eq. 29.4-7 P=qh(GCp)(γE)(γa)=-18.70 -18.70 -24.65 -30.61
GCp=0.9 Figure 30.3-2
P=qh(GCp)(γE)(γa)=15.30 Equation 29.4-7
Rafter Attachments: 0.6D+0.6W (CD=1.6)
Connection Check
Attachement max. spacing=4 ft
5/16" Lag Screw Withdrawal Value=266 lbs/in Table 12.2A - NDS
2.5 in DFL Assumed
Prying Coefficient 1.4
Allowable Capacity=760 lbs
Zone Trib Width Area (ft)Uplift (lbs)Down (lbs)
Zone(1,2e,2r)4 11.0 85.9 120.8
Zone(2n)4 11.0 85.9 120.8
Zone(3r)4 11.0 109.5 120.8
Zone(3e)4 11.0 133.1 120.8
Conservative Max=133.1 <760
CONNECTION IS OK
II
Wind Speed (3s gust), V =
Exposure =
1. Pv seismic dead weight is negligible to result in significant seismic uplift, therefore the wind uplift
governs
γE=
γa=
KZt =
qh= 0.00256KzKztKdKeV2=
Pitch =
Lag Screw Penetration
Risk Category =
KZ =
Kd =
Ke =
Vertical Load Resisting System Design
Roof Framing Trusses
Snow Load Fully Exposed
pg=50 psf
Ce =0.9
Ct =1.1
Is =1.0pf = 35 psf
pfmin. = 34.7 psf
ps = 35 psf CS=0.6 38.12 plf
Max Length, L =6.0 ft (Beam maximum Allowable Span)
Tributary Width, WT =24 in
Dr =10 psf 20 plf
PvDL =3 psf 6 plf
Load Case: DL+0.75(0.6W+S)
0.75(Pnet+Ps)+ Ppvcos(θ)+PDL=64 plf
Mdown=191 lb-ft
Mallowable = Sx x Fb' (wind)=634 lb-ft >191 lb-ft OK
Load Case: DL+S
Ps+ Ppvcos(θ)+PDL=63 plf
Mdown=159 lb-ft
Mallowable = Sx x Fb' (wind)=456 lb-ft >159 lb-ft OK
Load Case: DL+0.6W
Pnet+ Ppvcos(θ)+PDL=38.2 plf
Max Moment, Mu=115 lb-ft
Mallowable = Sx x Fb' (wind)=634 lb-ft >115 lb-ft OK
Pv max Shear=120.8 lbs
Shear, Vu=wL/2+Pv Point Load =199 lbs
Max Shear, Vu=wL/2+Pv Point Load =199 lb
Member Capacity
DF-L No.2
2X4 CL CF Ci Cr KF φ λ
Fb =900 psi 1.0 1.5 1.0 1.15 2.54 0.85 0.8 1553 psi
Fv =180 psi N/A N/A 1.0 N/A 2.88 0.75 0.8 180 psi
E =1600000 psi N/A N/A 1.0 N/A N/A N/A N/A 1600000 psi
Emin =580000 psi N/A N/A 1.0 N/A 1.76 0.85 N/A 580000 psi
Depth, d =3.5 in
Width, b =1.5 in
Cross-Sectonal Area, A =5.25 in2
Moment of Inertia, Ixx =5.35938 in4
Section Modulus, Sxx =3.0625 in3
Allowable Moment, Mall = Fb'Sxx =396.2 lb-ft DCR=Mu/Mall =0.35 < 1 Satisfactory
Allowable Shear, Vall = 2/3Fv'A =630.0 lb DCR=Vu/Vall =0.21 < 1 Satisfactory
Design Value Adjusted Value
Siesmic Loads Check
Roof Dead Load 10 psf
% or Roof with Pv 14.5%
Dpv and Racking 3 psf
Average Total Dead Load 10.4 psf
Increase in Dead Load 2.2%OK
Limits of Scope of Work and Liability
The increase in seismic Dead weight as a result of the solar system is less than 10% of the existing structure and
therefore no further seismic analysis is required.
We have based our structural capacity determination on information in pictures and a drawing set titled PV plans -
VIJAY YADAV RESIDENCE. The analysis was according to applicable building codes, professional engineering and
design experience, opinions and judgments. The calculations produced for this Structure's assessment are only for
the proposed solar panel installation referenced in the stamped plan set and were made according to generally
recognized structural analysis standards and procedures.