HomeMy WebLinkAboutLA220623-APPROVED - 16457 Duluth Tr Solar Permit Plans155'-5"75'-6"154'-10"77'-1"73'-1"8'-11"21'-2"9'-8"DRIVEWAYDULUTH TRLFRONT OF HOUSENCOVER PAGENEW PV SYSTEM SPECIFICATIONSSYSTEM SIZE:DC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW ACMODULE:(19) SILFAB SOLAR SIL-400 HC+INVERTER:(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]PROJECT NOTES1.1.1 THIS PHOTOVOLTAIC (PV) SYSTEM SHALL COMPLY WITH THERELEVANT YEAR OF THE NATIONAL ELECTRIC CODE (NEC), ALLMANUFACTURER’S LISTING AND INSTALLATION INSTRUCTIONS,AND THE RELEVANT CODES AS SPECIFIED BY THE AUTHORITYHAVING JURISDICTION’S (AHJ) APPLICABLE CODES.1.1.2 THE UTILITY INTERCONNECTION APPLICATION MUST BEAPPROVED AND THE PV SYSTEM MUST BE INSPECTED PRIOR TOOPERATION1.1.3 ALL PV SYSTEM COMPONENTS; MODULES,UTILITY-INTERACTIVE INVERTERS, AND SOURCE CIRCUITCOMBINER BOXES ARE IDENTIFIED AND LISTED FOR USE INPHOTOVOLTAIC SYSTEMS AS REQUIRED BY NEC AND OTHERGOVERNING CODES1.1.4 ALL SIGNAGE TO BE PLACED IN ACCORDANCE WITH LOCALBUILDING CODE. IF EXPOSED TO SUNLIGHT, IT SHALL BE UVRESISTANT. ALL PLAQUES AND SIGNAGE WILL BE INSTALLED ASREQUIRED BY THE NEC AND AHJ.NEW PHOTOVOLTAIC ROOF MOUNTED SYSTEM - 7.600 KW DC/6.631 KW AC16457 DULUTH TRL, LAKEVILLE, MN 55044SCOPE OF WORK1.2.1 CONTRACTOR IS RESPONSIBLE FOR THE DESIGN ANDSPECIFICATIONS OF THE GRID-TIED PHOTOVOLTAIC SYSTEM.THE CONTRACTOR WILL BE RESPONSIBLE FOR COLLECTION OFEXISTING ONSITE CONDITIONS TO DESIGN, SPECIFY, ANDINSTALL THE ROOF-MOUNTED PHOTOVOLTAIC SYSTEMDETAILED IN THIS DOCUMENTDESIGN CRITERIAROOF SURFACE TYPE: COMPOSITE SHINGLEROOF FRAMING: 2"X4" TRUSS @ 24" OCBUILDING STORY: TWO STORYGROUND SNOW LOAD: 50 PSFWIND SPEED: 115 MPHWIND EXPOSURE: BRISK CATEGORY: IISCALE:1"-20'-0"SATELLITE MAPPROPERTY PLANPV-011PV-0111/6/2023SHEET TITLEDRAWN DATEDRAWN BYPCADSHEET NUMBERSYSTEM DETAILSPHONE - (763) 432-5261LIC. NO. - 20638279REVDATEDESCRIPTIONREVISIONSDC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW AC(19) SILFAB SOLAR SIL-400 HC+(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]CONTRACTORPROJECT NAME & ADDRESS3155 104TH LN NW, BLAINE,MN 55449CEDAR CREEK ENERGYAPN #: 227134602070AHJ: CITY OF LAKEVILLEUTILITY: XCEL ENERGYDYLAN BETTERMAN16457 DULUTH TRL,LAKEVILLE, MN 55044VICINITY MAPROOF ACCESS POINT(E) GARAGE(E) MAIN HOUSEAPPLICABLE CODESALL WORK SHALL CONFORM TO THEFOLLOWING CODES:2018 INTERNATIONAL BUILDING CODE2018 INTERNATIONAL RESIDENTIAL CODE2018 INTERNATIONAL EXISTING BUILDING CODE2018 INTERNATIONAL FIRE CODE2017 NATIONAL ELECTRICAL CODE2018 MINNESOTA STATE BUILDING CODEAS ADOPTED BY CITY OF LAKEVILLE- PROPERTY LINE- FENCE LINELEGENDCOVER PAGEPV-01EQUIPMENT DATASHEETS ATTACHEDNOTESSITE PLANELECTRICAL DIAGRAMWARNING LABELSATTACHMENT PLAN & DETAILSINSTALLATION RESOURCESHEET INDEXPV-02PV-03PV-04PV-05PV-06PV-07NOTE:1. THIS DRAWING IS FOR ILLUSTRATIVE PURPOSESONLY!2. ALL TESTING SHALL BE PERFORMED BYQUALIFIED PERSONNEL, WITH PROPER PERSONALPROTECTIVE EQUIPMENT3. THE PRODUCTION METER AND AC DISCONNECTSHOULD BE LOCATED TOGETHER IN A READILYACCESSIBLE LOCATION WITHIN 10' OF THE MAINSERVICE METER4. 24/7 UNESCORTED KEYLESS ACCESS SHALL BEPROVIDED FOR THE METERS AND AC DISCONNECTEAGLE VIEW DR (NEARESTCROSS STREET 379' APPROX.)DUNFIELD DRIVE (NEARESTCROSS STREET 281' APPROX.)DRYDEN RD (NEAREST CROSSSTREET 700' APPROX.)Concept Approval ONLYSubject to Field InspectionInspectorDate2015MN BldgCode12/19/2023jnuetzman
ROOF 11234567.187FRONT OF HOUSEN1'-0"1'-0"1'-0"EQUIPMENT SPACING1'-0"PV-0211/6/2023SHEET TITLEDRAWN DATEDRAWN BYPCADSHEET NUMBERSYSTEM DETAILSPHONE - (763) 432-5261LIC. NO. - 20638279REVDATEDESCRIPTIONREVISIONSDC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW AC(19) SILFAB SOLAR SIL-400 HC+(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]CONTRACTORPROJECT NAME & ADDRESS3155 104TH LN NW, BLAINE,MN 55449CEDAR CREEK ENERGYAPN #: 227134602070AHJ: CITY OF LAKEVILLEUTILITY: XCEL ENERGYDYLAN BETTERMAN16457 DULUTH TRL,LAKEVILLE, MN 55044SITE PLANSCALE:3/32" = 1'-0"SITE PLANPV-021PLAN VIEW TOTAL ROOF AREA:3107 FT²TOTAL PV ARRAY AREA:405.37 FT²TOTAL % OF ROOF COVERED BY PV:13.05%= FLUE / PLUMBING VENT= MECHANICAL VENTFIRE SETBACKS36"
18"NOTES:1.ROOF ACCESS POINT SHALL NOT BELOCATED IN AREAS THAT 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 OVERHEADOBSTRUCTIONS SUCH AS TREE LIMBS,WIRES OR SIGNS.2.STRUCTURES, PATIO COVERS, AND/ORADDITIONS BUILT WITHOUT PERMITS TO BERESOLVED BY A SEPARATE PERMIT.LEGEND40.8"75.3"SLOPE - 30°AZIMUTH - 141°MODULE QTY - 19TRUSS - 2"X4" @ 24" O.C.SURFACE TYPE- COMPOSITE SHINGLEROOF 16MAIN SERVICE PANEL5(E) UTILITY METER (UNDERGROUND SERVICE)METER #: 1700853664CONDUIT RUN; SURFACE MOUNTED (ACTUALCONDUIT RUNS TO BE DETERMINED IN FIELD)7AC DISCONNECT AND PV PRODUCTION METER1MICROINVERTER (1 PER MODULE)2(19) SILFAB SOLAR SIL-400 HC+ MODULES WITHENPHASE IQ8A-72-2-US [240V] [1-PHASE] UNDEREACH MODULE(N) JUNCTION BOX (NEMA 3R)3ROOF ACCESS POINTTHE SITE HAS 24/7 KEYLESS ACCESS TOMETERS AND UTILITY AC DISCONNECTSNO POSITION, DISTANCE AND CLEARANCECONCERNS OF OVERHEAD ELECTRICSERVICE LINES AND/OR OTHER UTILITIES INRELATION TO THE PV PANELSSTRUCTURES, PATIO COVERS, AND/ORADDITIONS BUILT WITHOUT PERMITS TO BERESOLVED BY A SEPARATE PERMIT.ENPHASE IQ COMBINER BOX87.1AC DISCONNECTEAGLE VIEW DR (NEARESTCROSS STREET 379' APPROX.)DUNFIELD DRIVE (NEARESTCROSS STREET 281' APPROX.)DRYDEN RD (NEAREST CROSSSTREET 700' APPROX.)
PV-0311/6/2023SHEET TITLEDRAWN DATEDRAWN BYPCADSHEET NUMBERSYSTEM DETAILSPHONE - (763) 432-5261LIC. NO. - 20638279REVDATEDESCRIPTIONREVISIONSDC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW AC(19) SILFAB SOLAR SIL-400 HC+(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]CONTRACTORPROJECT NAME & ADDRESS3155 104TH LN NW, BLAINE,MN 55449CEDAR CREEK ENERGYAPN #: 227134602070AHJ: CITY OF LAKEVILLEUTILITY: XCEL ENERGYDYLAN BETTERMAN16457 DULUTH TRL,LAKEVILLE, MN 55044ATTACHMENT PLAN& DETAILS- ATTACHMENT POINTS- RAIL- STRUCTURAL MEMBERLEGENDTYPICAL ATTACHMENT PLAN (PORTRAIT)SCALE: NTSPV-031.0TYPICAL ATTACHMENT PLAN (LANDSCAPE)SCALE: NTSPV-031.1STRUCTURAL MEMBER @ 24" OC4'-0" OC ATTACHMENT SPACINGSTRUCTURAL MEMBER @ 24" OC4'-0" OC ATTACHMENT SPACINGNOTE:1.CONTRACTOR/INSTALLER TO VERIFY COMPATIBILITY OFANY BRANDS OR PRODUCTS SUBSTITUTED OR USED ASALTERNATES WITHIN ANY BRAND-SPECIFIC SYSTEMS.CONTRACTOR SHALL SUPPLY AND PRESENTCERTIFICATES OF COMPATIBILITY TO THE BUILDINGOFFICIAL UPON INSPECTION AS NEEDED.2.REFER TO PV MODULE MANUFACTURER'S INSTALLATIONINSTRUCTIONS FOR RAIL SPACING SPECIFICATIONSDISTRIBUTED LOAD CALCULATIONSMODULESILFAB SOLAR SIL-400 HC+MODULE WEIGHT47 LBSMODULE DIMENSIONS (L" x W")75.3" x 40.8"TOTAL QTY. OF MODULES19TOTAL WEIGHT OF MODULES893.00 LBSTYPE OF RACKINGSNAPNRACK, UR-40 RAIL, 172INTYPE OF ATTACHMENTSNAPNRACK UMBRELLA L FOOT ATTACHMENTDISTRIBUTED WEIGHT OF RACKING0.5 PSFTOTAL WEIGHT OF ARRAY1095.68 LBSAREA OF MODULE21.34 SQFT.TOTAL ARRAY AREA405.37 SQFT.DISTRIBUTED LOAD2.70 PSFFLASHING(E) COMP SHINGLE ROOFSEE ENLARGED VIEWPV MODULE(E) STRUCTURAL MEMBERMIN. 5/16" LAG SCREW W/ MIN.2-1/2" EMBEDMENT INTOSTRUCTURAL MEMBERSNAPNRACKL-FOOTSNAPNRACKULTRA RAILSNAPNRACKINTEGRATEDGROUNDING &MID/END CLAMPPV MODULE(E) STRUCTURAL MEMBERScale: NTSATTACHMENT DETAILPV-032Scale: NTSENLARGED VIEWPV-0336" MAX.
2(N) UTILITY ACDISCONNECT 60AVISIBLE-OPEN TYPE,LOCKABLE, READILYACCESSIBLE ANDNON-FUSIBLE, 240V,NEMA 3R, 1-PHASE,3W UL LISTEDGL1L2NGL1L23MGL1L2NLINELOADL1L1L2L2(N) UTILITY PVPRODUCTION METER240V,1-PHASE, 3-W,NEMA 3R, UL LISTED125A RATED, 1-PHASE,3-WIRE, W/ LEVERBYPASS HANDLEGL1L2N(N) CUSTOMER OWNEDAC DISCONNECT1-PHASE, 3-W: VISIBLE,LOCKABLE, LABELED60A FUSED, (2) 40AFUSES, 240V, NEMA 3R,UL LISTEDL1L2N22POC/RPAGGN20A/2PIQ GATEWAY15A/2P(N) ENPHASE COMBINER PANELNEMA 3R, UL LISTED,125A RATEDCELLMODEMWIRELESSCOMMS10A OR 15A BREAKER ISSUITABLE FOR USE20A/2PENPHASE QCABLE(S)SILFAB SOLAR SIL-400 HC+10 MICROINVERTERS IN STRING 109 MICROINVERTERS IN STRING 21(N) JUNCTION BOX600 V, NEMA 3RUL LISTEDENPHASE IQ8A-72-2-US [240V][1-PHASE] MICROINVERTERS ONEUNDER EACH PANEL (240V)L2L1L2L1G#6 AWG BARE CUROMEX CAN BE USED IN LIEU OF CONDUIT FOR INTERIOR BUILDING AND ATTICRUNS ONLY. DO NOT USE ROMEX IN CONDUIT OR OUTDOOR ENVIRONMENTS.2(ENPHASE X-IQ-AM1-240-4/4C)(E) 200A/2P MAINBREAKER, 240VGECGNGECGMN(E) 200A MAINSERVICE PANEL,240VFEED THROUGH LUGSL2NL1TO UTILITY GRIDLINELOAD(E) BI-DIRECTIONALUTILITY METER1-PHASE, 3-W,120V/240VSUPPLY SIDEINTERCONNECTIONAT MAIN PANELMETER #: 170085366SUPPLY SIDECONNECTIONBONDEDPV-0411/6/2023SHEET TITLEDRAWN DATEDRAWN BYPCADSHEET NUMBERSYSTEM DETAILSPHONE - (763) 432-5261LIC. NO. - 20638279REVDATEDESCRIPTIONREVISIONSDC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW AC(19) SILFAB SOLAR SIL-400 HC+(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]CONTRACTORPROJECT NAME & ADDRESS3155 104TH LN NW, BLAINE,MN 55449CEDAR CREEK ENERGYAPN #: 227134602070AHJ: CITY OF LAKEVILLEUTILITY: XCEL ENERGYDYLAN BETTERMAN16457 DULUTH TRL,LAKEVILLE, MN 55044ELECTRICALDIAGRAMAMBIENT TEMPERATURE SPECIFICATIONSRECORD LOW TEMP-26°CAMBIENT TEMP (HIGH TEMP 2% AVG.)32°CMINIMUM CONDUIT HEIGHT ABOVE ROOF SURFACE7/8"DESCRIPTIONFORMULARESULTPV OVERCURRENT PROTECTION NEC 690.9(B) TOTAL INVERTER OUTPUT CURRENT x 1.25 = (19 x 1.45)A x 1.2534.44A (SELECTED OCPD = 40A)NOTE:· PV UTILITY DISCONNECTS ARE LOCATED WITHIN 10' OFMAIN SERVICE/BILLING METER.· VISIBLE,LOCKABLE,READILY ACCESSIBLE AND 24/7 ACCESS· METER SOCKET INSTALLED HAS A LEVER BYPASS HANDLE.LABEL LOCATION: AT AC DISCONNECTUTILITY PV AC DISCONNECTLABEL LOCATION: AT THE MAIN BILLING METERPHOTOVOLATIC SYSTEMCONNECTEDNOTE: SUPPLY SIDE TAP VIA NON-SPLICING LUGSON LOAD SIDE BUS IN UTILITY METER SOCKETNOTE:1. THIS DRAWING IS FOR ILLUSTRATIVE PURPOSES ONLY!2. ALL TESTING SHALL BE PERFORMED BY QUALIFIED PERSONNEL, WITH PROPER PERSONALPROTECTIVE EQUIPMENT3. THE PRODUCTION METER AND AC DISCONNECT SHOULD BE LOCATED TOGETHER IN AREADILY ACCESSIBLE LOCATION WITHIN 10' OF THE MAIN SERVICE METER4. 24/7 UNESCORTED KEYLESS ACCESS SHALL BE PROVIDED FOR THE METERS AND ACDISCONNECT5. NOTE ALL THE APPLICABLE NEC CODES6. SHOW ALL THE SYSTEMS INCLUDING STORAGE, EXISTING AND NEW (IF APPLICABLE)7. SERVICES <320A WILL USE SELF-CONTAINED MAIN SERVICE METERS. 320A SERVICES MUSTINDICATE WHETHER THE METERING WILL BE SELF-CONTAINED OR TRANSFORMER METERED.ALL SERVICES 400A OR GREATER MUST BE TRANSFORMER METERED8. PRODUCTION METER LOCATED WITHIN 10 FT OF METER9. WIRES LOCATED IN READILY ACCESSIBLE LOCATIONS SHALL BE GUARDED PER NEC690.31(A)10. CONDUIT TO BE UL LISTED FOR WET LOCATIONS AND UV PROTECTED (EX. -EMT,PVC ORRMC) *FMC MAY BE USED IN INDOOR APPLICATIONS WHERE PERMITTED BY NEC ART. 34811. VISIBLE LOCKABLE AND LABELED DISCONNECT IS LOCATED WITHIN 10FT OF METER12. THE INVERTERS ARE UL1741 CERTIFIEDSOLAR MODULE SPECIFICATIONSMANUFACTURER / MODEL #SILFAB SOLAR SIL-400 HC+VMPIMPVOCISCTEMP. COEFF. VOC36.0511.1043.0211.58-0.28 %/°CWIRE IDEXPECTEDWIRE TEMP (°C)TEMPDERATE(90 °C)QTY OF CURRENTCARRYINGCONDUCTORSCONDUITFILL DERATEMINIMUMCONDUIT SIZE(TBD ON SITE)WIRE GAUGE &TYPECONDUCTORAMPACITY @90°C (A)CONDUCTORAMPACITY @75°C (A)REQUIRED CIRCUITCONDUCTORAMPACITY (A)ADJUSTEDCONDUCTORAMPACITY @ 90 °C (A)NEUTRALCONDUCTORSIZE & TYPEGROUND WIRESIZE & TYPE1320.9640.83/4'' METAL#10 THWN-2403518.1330.72NONE#8 THWN-22320.96213/4" METAL#8 THWN-2555034.4452.80#8 THWN-2#8 THWN-23320.96213/4'' METAL#6 THWN-2756534.4472.00#6 THWN-2#8 THWN-2MICROINVERTER SPECIFICATIONSMANUFACTURER / MODEL #ENPHASE IQ8A-72-2-US [240V] [1-PHASE]INPUT POWER RANGE295W-500WMIN/MAX START VOLTAGE22V/58VNOMINAL AC VOLTAGE240VMAX CONT. OUTPUT CURRENT1.45AMAX CONT. OUTPUT POWER349WMAX MODULES PER STRING11 (11 MICROINVERTERS)
PV-0511/6/2023SHEET TITLEDRAWN DATEDRAWN BYPCADSHEET NUMBERSYSTEM DETAILSPHONE - (763) 432-5261LIC. NO. - 20638279REVDATEDESCRIPTIONREVISIONSDC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW AC(19) SILFAB SOLAR SIL-400 HC+(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]CONTRACTORPROJECT NAME & ADDRESS3155 104TH LN NW, BLAINE,MN 55449CEDAR CREEK ENERGYAPN #: 227134602070AHJ: CITY OF LAKEVILLEUTILITY: XCEL ENERGYDYLAN BETTERMAN16457 DULUTH TRL,LAKEVILLE, MN 55044NOTESSITE NOTES2.1.1 A LADDER WILL BE IN PLACE FOR INSPECTION IN ACCORDANCEWITH OSHA REGULATIONS.2.1.2 THE PV MODULES ARE CONSIDERED NON-COMBUSTIBLE AND THISSYSTEM IS A UTILITY INTERACTIVE SYSTEM WITH NO STORAGEBATTERIES.2.1.3 THE SOLAR PV INSTALLATION WILL NOT OBSTRUCT ANYPLUMBING, MECHANICAL, OR BUILDING ROOF VENTS.2.1.4 PROPER ACCESS AND WORKING CLEARANCE AROUND EXISTINGAND PROPOSED ELECTRICAL EQUIPMENT WILL BE PROVIDED INACCORDANCE WITH SECTION NEC 110.26.2.1.5 ROOF COVERINGS SHALL BE DESIGNED, INSTALLED, ANDMAINTAINED IN ACCORDANCE WITH THIS CODE AND THE APPROVEDMANUFACTURER'S INSTRUCTIONS SUCH THAT THE ROOF COVERINGSERVES TO PROTECT THE BUILDING OR STRUCTURE.EQUIPMENT LOCATIONS2.2.1 ALL EQUIPMENT SHALL MEET MINIMUM SETBACKS INACCORDANCE WITH NEC 110.26.2.2.2 WIRING SYSTEMS INSTALLED IN DIRECT SUNLIGHT MUST BERATED FOR EXPECTED OPERATING TEMPERATURE AS SPECIFIED BYNEC 690.31 (A),(C) AND NEC TABLES 310.15 (B)(2)(A) AND 310.15 (B)(3)(C).2.2.3 JUNCTION AND PULL BOXES PERMITTED INSTALLED UNDER PVMODULES IN ACCORDANCE WITH NEC 690.34.2.2.4 ADDITIONAL AC DISCONNECT(S) SHALL BE PROVIDED WHERE THEINVERTER IS NOT WITHIN SIGHT OF THE AC SERVICING DISCONNECT.2.2.5 ALL EQUIPMENT SHALL BE INSTALLED ACCESSIBLE TO QUALIFIEDPERSONNEL IN ACCORDANCE WITH NEC APPLICABLE CODES.2.2.6 ALL COMPONENTS ARE LISTED FOR THEIR PURPOSE AND RATEDFOR OUTDOOR USAGE WHEN APPROPRIATE.STRUCTURAL NOTES2.3.1 RACKING SYSTEM & PV ARRAY WILL BE INSTALLED INACCORDANCE WITH THE CODE-COMPLIANT INSTALLATION MANUAL.TOP CLAMPS REQUIRE A DESIGNATED SPACE BETWEEN MODULES, ANDRAILS MUST ALSO EXTEND A MINIMUM DISTANCE BEYOND EITHEREDGE OF THE ARRAY/SUBARRAY, IN ACCORDANCE WITH RAILMANUFACTURER’S INSTALLATION PRACTICES.2.3.2 JUNCTION BOX WILL BE INSTALLED PER MANUFACTURER'SSPECIFICATIONS. IF ROOF-PENETRATING TYPE, IT SHALL BE FLASHED &SEALED PER LOCAL REQUIREMENTS.2.3.3 ROOFTOP PENETRATIONS FOR PV RACEWAY WILL BE COMPLETEDAND SEALED W/ APPROVED CHEMICAL SEALANT PER CODE BY ALICENSED CONTRACTOR.2.3.4 ALL PV RELATED ROOF ATTACHMENTS TO BE SPACED NOGREATER THAN THE SPAN DISTANCE SPECIFIED BY THE RACKINGMANUFACTURER OR PROFESSIONAL ENGINEERING GUIDANCE.2.3.5 WHEN POSSIBLE, ALL PV RELATED RACKING ATTACHMENTS WILLBE STAGGERED AMONGST THE ROOF FRAMING MEMBERS.WIRING & CONDUIT NOTES2.4.1 ALL CONDUIT AND WIRE WILL BE LISTED AND APPROVED FORTHEIR PURPOSE. CONDUIT AND WIRE SPECIFICATIONS ARE BASED ONMINIMUM CODE REQUIREMENTS AND ARE NOT MEANT TO LIMITUP-SIZING.2.4.2 CONDUCTORS SIZED IN ACCORDANCE WITH THE NEC2.4.3 AC CONDUCTORS TO BE COLORED OR MARKED PER NEC2.4.4 LISTED OR LABELED EQUIPMENT SHALL BE INSTALLED AND USEDIN ACCORDANCE WITH ANY INSTRUCTIONS INCLUDED IN THE LISTINGOR LABELING PER NECGROUNDING NOTES2.5.1 GROUNDING SYSTEM COMPONENTS SHALL BE LISTED FORTHEIR PURPOSE, AND GROUNDING DEVICES EXPOSED TO THEELEMENTS SHALL BE RATED FOR SUCH USE.2.5.2 PV EQUIPMENT SHALL BE GROUNDED IN ACCORDANCEWITH NEC 690.43 AND NEC TABLE 250.122.2.5.3 METAL PARTS OF MODULE FRAMES, MODULE RACKING, ANDENCLOSURES CONSIDERED GROUNDED IN ACCORDANCE WITHNEC 250.134 AND 250.136(A).2.5.4 EQUIPMENT GROUNDING CONDUCTORS SHALL BE SIZED INACCORDANCE WITH NEC 690.45 AND INVERTERMANUFACTURER'S INSTALLATION PRACTICES2.5.5 EACH MODULE WILL BE GROUNDED AS SHOWN INMANUFACTURER DOCUMENTATION AND APPROVED BY THE AHJ.2.5.6 THE GROUNDING CONNECTION TO A MODULE SHALL BEARRANGED SUCH THAT THE REMOVAL OF A MODULE DOES NOTINTERRUPT A GROUNDING CONDUCTOR TO ANOTHER MODULE.2.5.7 GROUNDING AND BONDING CONDUCTORS, IF INSULATED,SHALL BE COLORED GREEN OR MARKED GREEN IF #4 AWG ORLARGER PER NEC 250.1192.5.8 THE GROUNDING ELECTRODE SYSTEM COMPLIES WITH NEC690.47 AND NEC 250.50 THROUGH 250.106. IF EXISTING SYSTEM ISINACCESSIBLE, OR INADEQUATE, A GROUNDING ELECTRODESYSTEM PROVIDED IN ACCORDANCE WITH NEC 250, NEC 690.47AND THE AHJ.2.5.9 GROUND-FAULT DETECTION SHALL COMPLY WITH NEC690.41(B)(1) AND (2) TO REDUCE FIRE HAZARDSDISCONNECTION AND OVERCURRENT PROTECTION NOTES2.6.1 DISCONNECTING SWITCHES SHALL BE WIRED SUCH THATWHEN THE SWITCH IS OPENED THE CONDUCTORS REMAININGENERGIZED ARE CONNECTED TO THE TERMINALS MARKED “LINESIDE” (TYPICALLY THE UPPER TERMINALS).2.6.2 DISCONNECTS TO BE ACCESSIBLE TO QUALIFIED UTILITYPERSONNEL, BE LOCKABLE, AND BE A VISIBLE-BREAK SWITCH2.6.3 PV SYSTEM CIRCUITS INSTALLED ON OR IN HABITABLEBUILDINGS SHALL INCLUDE A RAPID SHUTDOWN FUNCTION TOREDUCE SHOCK HAZARD FOR EMERGENCY RESPONDERS INACCORDANCE WITH 690.122.6.4 ALL OCPD RATINGS AND TYPES SPECIFIED ACCORDING TONEC 690.8, 690.9, AND 240.2.6.5 INVERTER ON-GRID BRANCHES SHALL BE CONNECTED TO ASINGLE BREAKER OR GROUPED FUSE DISCONNECT(S) INACCORDANCE WITH NEC 110.3(B).2.6.6 IF REQUIRED BY THE AHJ, SYSTEM WILL INCLUDEARC-FAULT CIRCUIT PROTECTION IN ACCORDANCE WITH NEC690.11 AND UL1699B.INTERCONNECTION NOTES2.7.1 LOAD SIDE INTERCONNECTION SHALL BE INACCORDANCE WITH NEC 705.12.2.7.2 THE SUM OF THE UTILITY OCPD AND INVERTERCONTINUOUS OUTPUT MAY NOT EXCEED 120 PERCENT OFBUSBAR RATING PER NEC 705.12.2.7.3 THE SUM OF 125 PERCENT OF THE POWER SOURCE(S)OUTPUT CIRCUIT CURRENT AND THE RATING OF THEOVERCURRENT DEVICE PROTECTING THE BUSBAR SHALLNOT EXCEED 120 PERCENT OF THE AMPACITY OF THEBUSBAR, PV DEDICATED BACKFEED BREAKERS MUST BELOCATED OPPOSITE END OF THE BUS FROM THE UTILITYSOURCE OCPD IN ACCORDANCE WITH NEC 705.12.2.7.4 AT MULTIPLE ELECTRIC POWER SOURCES OUTPUTCOMBINER PANEL, TOTAL RATING OF ALL OVERCURRENTPROTECTION DEVICES SHALL NOT EXCEED AMPACITY OFBUSBAR. HOWEVER, THE MAIN OVERCURRENT PROTECTIONDEVICE MAY BE EXCLUDED IN ACCORDANCE WITH NEC705.12.2.7.5 FEEDER TAP INTERCONNECTION (LOAD SIDE) INACCORDANCE WITH NEC 705.12.2.7.6 SUPPLY SIDE TAP INTERCONNECTION IN ACCORDANCEWITH TO NEC 705.12 WITH SERVICE ENTRANCECONDUCTORS IN ACCORDANCE WITH NEC 230.42.2.7.7 BACKFEEDING BREAKER FOR ELECTRIC POWERSOURCES OUTPUT IS EXEMPT FROM ADDITIONALFASTENING PER NEC 705.12.GENERAL NOTES
DULUTH TRLFRONT OF HOUSEPV-0611/6/2023SHEET TITLEDRAWN DATEDRAWN BYPCADSHEET NUMBERSYSTEM DETAILSPHONE - (763) 432-5261LIC. NO. - 20638279REVDATEDESCRIPTIONREVISIONSDC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW AC(19) SILFAB SOLAR SIL-400 HC+(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]CONTRACTORPROJECT NAME & ADDRESS3155 104TH LN NW, BLAINE,MN 55449CEDAR CREEK ENERGYAPN #: 227134602070AHJ: CITY OF LAKEVILLEUTILITY: XCEL ENERGYDYLAN BETTERMAN16457 DULUTH TRL,LAKEVILLE, MN 55044WARNING LABELSLABEL 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)WARNINGDUAL POWER SOURCESECOND SOURCE IS PHOTOVOLTAIC SYSTEMLABEL LOCATION: MAIN SERVICE DISCONNECT, PRODUCTION/NET METERPER CODE: NEC 690.59, 705.12(C)LABEL LOCATION: MAIN SERVICE DISCONNECT, UTILITY METERPER CODE: NEC 690.13(B)POWER SOURCE OUTPUTCONNECTION. DO NOT RELOCATETHIS OVERCURRENT DEVICE.WARNINGLABEL LOCATION: POINT OF INTERCONNECTIONPER CODE: NEC 705.12(B)(3)(2)LABEL LOCATION: AC DISCONNECTPER CODE: NEC 705.12(B)(3)(3)TURN OFF PHOTOVOLTAIC ACDISCONNECT PRIOR TOWORKING INSIDE PANELWARNINGLABEL LOCATION: COMBINER PANEL(S), MAIN SERVICE DISCONNECTPER CODE: NEC 110.27(C), OSHA 1910.145(f)(7)ELECTRICAL SHOCK HAZARDTERMINALS ON BOTH LINE ANDLOAD SIDES MAY BE ENERGIZEDIN THE OPEN POSITIONWARNINGDC VOLTAGE IS ALWAYS PRESENT WHENSOLAR MODULES ARE EXPOSED TO SUNLIGHTLABEL LOCATION: DC DISCONNECTPER CODE: NEC 690.13(B)LABEL LOCATION: AC DISCONNECTPER CODE: NEC 690.13(B)LABEL LOCATION: MAIN SERVICE DISCONNECTPER CODE: NEC 690.56(C)!!!!!PHOTOVOLTAIC POWER SOURCELABEL LOCATION: DC CONDUIT/RACEWAYSPER CODE: NEC 690.31(D)(2)SOLAR PV DC CIRCUITLABEL LOCATION: DC CONDUIT/RACEWAYSPER CODE: NEC 690.31(D)(2)LABEL LOCATION: AC DISCONNECT/POINT OF INTERCONNECTIONPER CODE: NEC 690.54PHOTOVOLTAIC SYSTEM AC DISCONNECTRATED AC OUTPUT CURRENT:27.55 ANOMINAL OPERATING AC VOLTAGE:240 VTHIS EQUIPMENT FED BY MULTIPLESOURCES:TOTAL RATING OF ALL OVERCURRENTDEVICES EXCLUDING MAIN POWERSUPPLY SHALL NOT EXCEEDAMPACITY OF BUSBARWARNING!LABEL LOCATION: MAIN SERVICE DISCONNECTPER CODE: NEC 705.12(D), NEC 690.59CAUTIONPHOTOVOLTAIC SYSTEM CIRCUIT IS BACKFED!SOLAR PV SYSTEM EQUIPPEDWITH RAPID SHUTDOWNSOLAR ELECTRICPV PANELSTURN RAPID SHUTDOWNSWITCH TO THE"OFF" POSITION TOSHUT DOWN PV SYSTEMAND REDUCESHOCK HAZARDIN THE ARRAYDO NOT DISCONNECTUNDER LOADLABEL LOCATION: MAIN SERVICE DISCONNECTPER CODE: NEC 690.15(B) & NEC 690.33(D)(2)LABEL LOCATION: DC DISCONNECT/INVERTER/PV DIST.EQUIPMENTPER CODE: NEC 690.53MAXIMUM DC VOLTAGEOF PV SYSTEMPV SYSTEMDISCONNECTRAPID SHUTDOWN SWITCHFOR SOLAR PV SYSTEMMAIN PHOTOVOLTAICSYSTEM DISCONNECTMULTIPLE SOURCES OF POWER.POWER TO THIS BUILDING IS ALSO SUPPLIEDFROM THE FOLLOWING SOURCES WITHDISCONNECTS LOCATED AS SHOWN:CAUTIONADDRESS: 16457 DULUTH TRL, LAKEVILLE, MN 55044AC DISCONNECTUTILITY METER & MAINSERVICE PANELPV METERLABEL LOCATION: PV METERAC COMBINER PANELAC DISCONNECT & PV METER
ROOF 125'-6"FRONT OF HOUSENREFERENCE ONLYPV-0711/6/2023SHEET TITLEDRAWN DATEDRAWN BYPCADSHEET NUMBERSYSTEM DETAILSPHONE - (763) 432-5261LIC. NO. - 20638279REVDATEDESCRIPTIONREVISIONSDC SIZE: 7.600 KW DC-(STC)AC SIZE: 6.631 KW AC(19) SILFAB SOLAR SIL-400 HC+(19) ENPHASE IQ8A-72-2-US [240V] [1-PHASE]CONTRACTORPROJECT NAME & ADDRESS3155 104TH LN NW, BLAINE,MN 55449CEDAR CREEK ENERGYAPN #: 227134602070AHJ: CITY OF LAKEVILLEUTILITY: XCEL ENERGYDYLAN BETTERMAN16457 DULUTH TRL,LAKEVILLE, MN 55044INSTALLATIONRESOURCE12345678910ABCDEF**DIMENSIONS ARE 2D (FLAT)
A. Site Visit & Documentation
B. Existing Structure
Gable
Asphalt Shingle
25 ft
Douglas Fir-Larch
2x4
24 in O.C.
7/12 (30.26 deg)
C. Governing Codes
A site visit was performed by the contractor to identify the size and spacing of the existing roof’s framing structure. The roof is
evaluated for a module count of 19 modules
RE: Roof mounted PV system
Structural Engineering Certification
Wednesday, November 8, 2023
Contractor
To Whom It May Concern,
16457 Duluth Trl, Lakeville , Minnesota, 55044
Betterman Dylan Residence
Cedar Creek Energy
3155 104th Ln NW,
Blaine, MN 55449
2018 INTERNATIONAL BUILDING CODE
2018 INTERNATIONAL RESIDENTIAL CODE
2018 INTERNATIONAL EXISTING BUILDING CODE
2018 INTERNATIONAL FIRE CODE
2017 NATIONAL ELECTRICAL CODE
2018 MINNESOTA STATE BUILDING CODE
AS ADOPTED BY CITY OF LAKEVILLE
Roof Style
Roof Type
Roof Height
Rafter Type
Rafter Size
Rafter Spacing
Roof Slope
Upon reviewing the as-built conditions provided by the contractor, I, Ermocrates Castillo PE# 61428 an engineer licensed
pursuant to , certify that the installation of the modules is in compliance with IBC 2018 , Chapter 3 and that the building
structure will safely accommodate wind, lateral and uplift forces, and equipment dead loads. The member forces in the area of
the solar panels are not increased by more than 5%; thus, the stresses of the structural elements are not increased by more than
5%. Therefore, the requirements of Section 806.3 of the 2018 IEBC are met and the structure is permitted to remain unaltered.
The solar array will be flush-mounted and parallel to the roof surface. Thus, it is concluded that any additional wind loading on
the structure related to the addition of the proposed solar array is negligible. The attached calculations verify the capacity of the
connections of the solar array to the existing roof against wind (uplift), the governing load case. Because the increase in lateral
forces is less than 10%, this addition meets the requirements of the exception in Section 806.3 of the 2018 IEBC. Thus the
existing lateral force resisting system is permitted to remain unaltered.
After adequate review, the existing roof framing has been determined to be adequate to support the imposed loads
without any additional structural upgrades.
CASTILLO ENGINEERING SERVICES, LLC
407-289-2575
WWW.CASTILLOPE.COM
1060 MAITLAND CENTER COMMONS,
SUITE 270,MAITLAND, FL 32751
115 mph
89 mph
II
B
50 psf
127.91 lbs
Cantilever Cantilever
Zone 1 16 in 16 in
Zone 1'- -
Zone 2e 16 in 16 in
Zone 2n 16 in 16 in
Zone 2r 16 in 16 in
Zone 3e 16 in 16 in
Zone 3r 16 in 16 in
PE Certification:
Attachments at 72 in O.C. with 2 rails
D. Design Criteria
E. Attachment Spans
The solar panels shall be mounted in accordance with the most recent installation manual. Considering the wind speed, risk
category, exposure, roof slopes, snow load, seismic load, size and spacing of framing members, and condition of the roof, the
span tables provided by the manufacturer is not applicable and so the contractor what install the mounting system no greater
than the below attachment spans:
Total Seismic Load:
Exposure:
Wind speed (ult):
Wind speed (asd):
Risk category:
Ground snow load:
Non Exposed Modules
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Exposed Modules
Ermocrates Castillo, P.E
Minnesota License # 61428
Castillo Engineering Services, LLC takes no responsibility for the installation of the system. The contractor has supplied the as-
built conditions and shall cease construction and notify Castillo should any discrepancies between the provided as-built
conditions and the condition described in this letter be found. The design and engineering of the racking, mounting,
waterproofing, fire pathways and setbacks, electrical system and system labels are the responsibility of others. The contractor
must adhere to the spans provided within this letter and all connections to the existing roof must adhere to industry standard and
per manufacturer’s most recent installation instructions.
F. Limitations
Zone not applicable in Gable roofs
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Attachments at 72 in O.C. with 2 rails
Zone not applicable in Gable roofs
Subject: Wind Pressure Calculations
Site Information Site Information
2018 II
25 B
80 7 /12
50 30.26
0 Gable
MODULE AREA (sq. ft.)21.335 115.00 mph
COMPONENT AMPLIFICATION (a p)1 89.08 mph
COMPONENT OPERATING WEIGHT 47 1.00
TOTAL MODULES IN THE ARRAY 19 1.00
GROUND SNOW LOAD (psf)50 1.50
DEAD LOAD (psf)3 0.05
SLOPED ROOF SNOW LOAD (psf)21.40037999 1.00
EFFECTIVE WIND AREA (ft 2 )21.335 0.61
GROUND ELEVATION (ft) 929 0.85
HVHZ NO 1.00
0.97
0.67
HEIGHT B/W MODULE AND ROOF 0.50
DESIGN CALCULATIONS
11.1 psf
WIDTH OF PRESSURE COEFFICIENT 50' * 10% = 5'4 FT
25' * 40% = 10'N/A (FOR (°) < 7°)
N/A (FOR (°) < 7°)
Subject: Connection Calculations
ATTACHMENT STRENGTH, NDS 2018 ALLOWABLE DESIGN STRENGTH
2"X4"SPECIES:0.55
5/16" LAG SCREW NO OF SCREWS: 1 3.75 in
0.5 TIP LENGTH 1.5 in 1
4 in
NDS REFERENCE WITHDRAWAL PER SCREW 594.70 LBS/IN
NDS REFERENCE WITHDRAWAL PER SCREW 594.70 LBS/IN
ALLOWABLE DESIGN LOAD 476.00 LBS/IN
ATTACHMENT MODEL
ATTACHMENT STRENGTH 476 lbs
.00256*KEK Z K ZT KD V2VELOCITY PRESSURE (q) =
VELOCITY PRESSURE(ASD)
K z
ZONE WIDTH A
ZONE 2 WIDTH
ZONE 3 WIDTH
RISK CATEGORY
EXPOSURE CATEGORY
ROOF SLOPE
ROOF SLOPE (°)
ROOF TYPE
ULTIMATE WIND SPEED
NOMINAL WIND SPEED
EXPOSURE FACTOR (Ce)
TEMPERATURE FACTOR (Ct)
COMPONENT RESPONSE FACTOR
SPECTRAL ACCELERATION (S DS)
IMPORTANCE FACTOR (Is)
SLOPE FACTOR (Cs)
K D
K ZT
Ke
IBC VERSION
MEAN ROOF HEIGHT (ft)
ROOF LENGTH (ft)
ROOF WIDTH (ft)
PARAPET HEIGHT (ft)
Lag Bolts - Shingle
MAIN MEMBER THICKNESS
SUPPORT MEMBER
ADJUSTMENT
SPECIFIC GRAVITY
LENGTH OF SCREW
Douglas Fir-Larch
SIDE MEMBER THICKNESS
Subject: Loading Calculations
LIMIT MAX SPAN TO 72 in
RAFTER/SEAM SPACING 24 in NO. OF RAILS Exposed:2 Non. Exp:2
1 449.2 308.2 301.2 lbs 72 in 72 in
1'X X X lbs X in X in
2e 449.2 308.2 301.2 lbs 72 in 72 in
2n 449.2 366.1 301.2 lbs 72 in 72 in
2r 449.2 308.2 301.2 lbs 72 in 72 in
3e 449.2 452.8 301.8 lbs 72 in 72 in
3r 449.2 301.2 301.2 lbs 72 in 72 in
MAX DESIGN LOADS ALLOWABLE
Spans
(Exposed)
Spans
(Non-Exposed)Roof Zone Down Exposed N. Exposed