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HomeMy WebLinkAboutSOLR20-030273-510 Fred Waring Drive, Palm Desert, CA 92260 • (760) 776-6420 • www.cityofpalmdesert.org Project Address: _______________________________________________________Suite #_____________________ Total Value of work: $_______________ Project Description (be specific): Contractor Business Name Property Owner Name Address Address City Zip City Zip Phone Phone E-mail E-mail Contractor License No. Architect Name Designer Name Engineer Name Address Address City Zip City Zip Phone Phone E-mail E-mail License No. License No. *THE REVERSE SIDE MUST BE COMPLETED FOR RESIDENTIAL REMODELS AND TENANT IMPROVEMENTS Applicant Name Signature Date Contact Telephone Number E-Mail (For Office Use Only) PERMIT NO: _________________________ PLAN LOCATION: ____________________ APN: _______________________________ City of Palm Desert Department of Building and Safety Building Permit Application Wyssling Consulting 76 North Meadowbrook Drive Alpine, UT 84004 Scott E. Wyssling, PE, PP, CME office (201) 874-3483 swyssling@wysslingconsulting.com June 26, 2020 Empire Solar Group 34 E. Commercial Street Suite 206 Springfield, MO 65803 Re: Engineering Services Gunther Residence 321 Augusta Drive, Palm Desert CA 5.120 kW System Size To Whom It May Concern: Pursuant to your request, we have reviewed the following information regarding solar panel installation on the roof of the above referenced home: 1. Site Visit/Verification Form prepared by Empire Solar representative identifying specific site information including size and spacing of rafters for the existing roof structure. 2. Design drawings of the proposed system including a site plan, roof plan and connection details for the solar panels. This information was prepared by Empire Solar and will be utilized for approval and construction of the proposed system. 3. Photographs of the interior and exterior of the roof system identifying existing structural members and their conditions. Based on the above information we have evaluated the structural capacity of the existing roof system to support the additional loads imposed by the solar panels and have the following comments related to our review and evaluation: Description of Residence: The existing residence is typical wood framing construction with the roof system consisting of assumed 2 x 6 dimensional lumber at 24” on center. The attic space is finished and photos indicate that there was no access to visually inspect the size and condition of the roof rafters. All wood material utilized for the roof system is assumed to be Doug-Fir #2 or better with standard construction components. The existing roofing material consists of concrete tile roofing. Photos of the dwelling also indicate that there is a permanent foundation. A. Loading Criteria Used  110 MPH wind loading based on ASCE 7-16 Exposure Category “C” at a slope of 24 degrees  7 PSF = Dead Load roofing/framing Live Load = 30 PSF  3 PSF = Dead Load solar panels/mounting hardware Snow Load = 20 PSF Total Dead Load =10 PSF The above values are within acceptable limits of recognized industry standards for similar structures in accordance with the 2019 California Building Code. Analysis performed of the existing roof structure utilizing the above loading criteria indicates that the existing rafters will support the additional panel loading without damage, if installed correctly. Page 2 of 2 B. Solar Panel Anchorage 1. The solar panels shall be mounted in accordance with the most recent “Ironridge Installation Manual”, which can be found on the Ironridge website (http://ironridge.com/). If during solar panel installation, the roof framing members appear unstable or deflect non-uniformly, our office should be notified before proceeding with the installation. 2. Maximum allowable pullout per lag screw is 235 lbs/inch of penetration as identified in the National Design Standards (NDS) of timber construction specifications for Doug-Fir (North Lumber) assumed. Based on our evaluation, the pullout value, utilizing a penetration depth of 2 ½”, is less than what is allowable per connection and therefore is adequate. Based on the variable factors for the existing roof framing and installation tolerances, using a thread depth of 2 ½” with a minimum size of 5/16” lag screw per attachment point for panel anchor mounts should be adequate with a sufficient factor of safety. 3. Considering the roof slopes, the size, spacing, condition of roof, the panel supports shall be placed no greater than 72” o/c. 4. Panel supports connections shall be staggered to distribute load to adjacent rafters. Based on the above evaluation, it is the opinion of this office that with appropriate panel anchors being utilized the roof system will adequately support the additional loading imposed by the solar panels. This evaluation is in conformance with the 2019 California Building Code, current industry and standards, and based on information supplied to us at the time of this report. Should you have any questions regarding the above or if you require further information do not hesitate to contact me. Very truly yours, Scott E. Wyssling, PE California License No. 83664 OCCUPANCY TYPE: R-3 CONSTRUCTION TYPE: V-B AHJ: PALMDALE APN: 338071013 OCCUPANCY TYPE: R-3 CONSTRUCTION TYPE: V-B AHJ: PALMDALE APN: GUNTHER, JEFFREY5.12 KW DC SOLAR PHOTOVOLTAIC SYSTEM 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 916-600-4030 LAT: 36.769685 LONG:-116.354231 INSTALLATION OF (16) Silfab SLA320M [BLK] (16) SOLAREDGE P320 DC-DC OPTIMIZER (1)SOLAREDGE SE5000H OCPD SIZE: 30 STC RATING: 5.12 KW CEC RATING: 4.60 KW PTC RATING: 4.65 KW 01 - SCOPE OF WORK; SHEET INDEX, VICINITY MAP 02 - GOVERNING CODES; NOTES 03 - PROPERTY PLAN 04 - ROOF PLAN; EQUIPMENT LOCATIONS 05 - ROOF FRAMING; ELEVATIONS, ATTACHMENT DETAILS 06 - ELECTRICAL LINE DIAGRAM 07 - ELECTRICAL CALCULATIONS 08 - LABELS 09 - INTERCONNECTION PHOTOS 10 - DIRECTORY PLACARD 11 - OPTIMIZER MAP SITE INFORMATION TABLE OF CONTENTS CHANGE ADDRESS AND LICENSE NUMBER TO MATCH SPECIFIC STATE CHANGE LICESNSE TO SAM PARTIDA FOR CALIFORNIA CHANGE LISCENSE TO RUSSEL HOBBS FOR NEVADA RACKING: IRONRIDGE XR10 RAIL ATTACHMENT: ALL TILE HOOK MAIN SERVICE PANEL RATING: 200 MAIN BREAKER SIZE: 200 TILT: 24° AZIMUTH: 162° LOADING GROUND SNOW: 20 WIND SPEED:110 PV ARRAY WEIGHT: 670.4LBS EXPOSURE CATEGORY: C SCOPE OF WORK OTHER NOTES ADDITONAL WORK: SHADING CONCERNS: DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 01 SCOPE OF WORK LICENSE HOLDER SIGNATURE: SAM PARTIDA PARCEL MAP VICINITY MAP AERIAL MAP GOVERNING CODES GENERAL 1. UTILITY SHALL BE NOTIFIED BEFORE ACTIVATION OF PV SYSTEM. 2. 110.2 APPROVAL: ALL ELECTRICAL EQUIPMENT SHALL BE LABELED, LISTED, OR CERTIFIED BY A NATIONALLY RECOGNIZED TESTING LABORATORY ACCREDITED BY THE UNITED STATES OCCUPATIONAL SAFETY HEALTH ADMINISTRATION. 3. CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS PRIOR TO INITIATING CONSTRUCTION. 4. CONTRACTOR SHALL REVIEW ALL MANUFACTURER INSTALLATIO NDOCUMENTS PRIOR TO INITIATING CONSTRUCTION. 5. ALL EQUIPMENT AND ASSOCIATED CONNECTIONS OF INVERTERS, MODULES, PV SOURCE CIRCUITS, BATTER CONNECTIONS, ETC. AND ALL ASSOCIATED WIRING AND INTERCONNECTIONS SHALL BE INSTALLED ONLY BY QUALIFIED PERSONNEL (CEC 690.4(E)). 6. THE CONTRACTOR OR OWNER MUST PROVIDE ROOF ACCESS (LADDER TO ROOF) FOR THE ALL REQUIRED INSPECTIONS. LADDERS MUST BE OSHA APPROVED, MINIMUM TYPE I WITH A 250 LB RATING, IN GOOD CONDITION AND DESIGNED FOR ITS INTENDED USE. 7. SMOKE ALARMS AND CARBON MONOXIDE ALARMS ARE REQUIRED TO BE RETROFITTED ONTO THE EXISTING DWELLING AS PER THE 2013 CRC. THESE SMOKE ALARMS ARE REQUIRED TO BE IN ALL BEDROOMS, OUTSIDE EACH BEDROOM, AND AT LEAST ONE ON EACH FLOOR OF THE HOUSE. CARBON MONOXIDE ALARMS ARE REQUIRED TO BE RETROFITTED OUTSIDE EACH BEDROOM AND AT LEAST ONE ON EACH FLOOR OF THE HOUSE. THESE ALARMS MAY BE SOLELY BATTERY OPERATED IF THE PHOTOVOLTAIC PROJECT DOES NOT INVOLVE THE REMOVAL OF INTERIOR WALL AND CEILING FINISHES INSIDE THE HOME; OTHERWISE, THE ALARMS MUST BE HARD WIRED AND INTERCONNECTED. (CRC R314, R315) 8. SMOKE AND CARBON MONOXIDE ALARMS ARE REQUIRED PER CRC SECTIONS R314 AND 315 TO BE VERIFIED AND INSPECTED BY THE INSPECTOR IN THE FIELD. 9. CONTRACTOR SHALL VERIFY THAT THE ROOF STRUCTURE WILL WITHSTAND THE ADDITIONAL LOADS. 10. LAG SCREWS SHALL PENETRATE A MINIMUM 2" INTO SOLID SAWN STRUCTURAL MEMBERS AND SHALL NOT EXCEED MANUFACTURER RECOMMENDATIONS FOR FASTENERS INTO ENGINEERED STRUCTURAL MEMBERS. 11. AN ACCESS POINT SHALL BE PROVIDED THAT DOES NOT PLACE THE GROUND LADDER OVER OPENINGS SUCH AS WINDOWS OR DOORS ARE LOCATED AT STRONG POINTS OF BUILDING CONSTRUCTION AND IN LOCATIONS WHERE THE ACCESS POINT DOES NOT CONFLICT WITH OVERHEAD OBSTRUCTIONS SUCH AS TREE LIMBS, WIRES, OR SIGNS. (CRC R331.4.2) 12. WHERE DC CONDUCTORS ARE RUN INSIDE BUILDING, THEY SHALL BE CONTAINTED IN A METAL RACEWAY; THEY SHALL NOT BE INSTALLED WITHIN 10" OF THE ROOF DECKING OR SHEATHING EXCEPT WHERE COVERED BY THE PV MODULES AND EQUIPMENT. (CEC 690.31(E)(1)) 13. PLUMBING AND MECHANICAL VENTS THROUGH THE ROOF SHALL NOT BE COVERED BY SOLAR MODULES - NO BUILDING, PLUMBING, OR MECHANICAL VENTS TO BE COVERED, OBSTRUCTED OR ROUTED AROUND SOLAR MODULES. 14. ALL FIELD-INSTALLED JUNCTION, PULL, AND OUTLET BOXES LOCATED BEHIND MODULES SHALL BE ACCESSIBLE DIRECTLY OR BY DISPLACEMENT OF A MODULE SECURED BY REMOVABLE FASTENERS. ELECTRICAL 1. WIRING MATERIALS SHALL COMPLY WITH MAXIMUM CONTINUOUS CURRENT OUTPUT AT 25°C AND MAXIMUM VOLTAGE AT 600V; WIRE SHALL BE WET RATED AT 90°C. 2. EXPOSED PHOTOVOLTAIC SYSTEM CONDUCTORS ON THE ROOF WILL BE USE-2 OR PV TYPE WIRE. 3. PHOTOVOLTAIC SYSTEM CONDUCTORS SHALL BE IDENTIFIED AND GROUPED. THE MEANS OF IDENTIFICATION SHALL BE PERMITTED BY SEPARATE COLOR-CODING, MARKING TAPE, TAGGING OR OTHER APPROVED MEANS 4. ALL EXTERIOR CONDUIT, FITTINGS, AND BOXES SHALL BE RAIN-TIGHT AND APPROVED FOR USE IN WET LOCATIONS. (CEC 314.15) 5. WHERE CONDUCTORS ARE INSTALLED UNDERGROUND, SECTION 300.5 OF THE CEC MUST BE FOLLOWED TO ENSURE PROPER PROTECTION. 6. ALL METALLIC RACEWAYS AND EQUIPMENT SHALL BE BONDED AND ELECTRICALLY CONTINUOUS. (CEC 250.90, 250.96) 7. WHERE SIZES OF JUNCTION BOXES, RACEWAYS, AND CONDUITS ARE NOT SPECIFIED, CONTRACTOR SHALL SIZE THEM ACCORDING TO APPLICABLE CODES. 8. REMOVAL OF A UTILITY-INTERACTIVE INVERTER OR OTHER EQUIPMENT SHALL NOT DISCONNECT THE BUILDING CONNECTION BETWEEN THE GROUNDING ELECTRODE CONDUCTOR AND THE PV SOURCE AND/OR OUTPUT CIRCUIT GROUNDED CONDUCTOR. 9. FOR GROUNDED SYSTEMS, THE PHOTOVOLTAIC SOURCE AND OUTPUT CIRCUITS SHALL BE PROVIDED WITH A GROUND-FAULT PROTECTION DEVICE OR SYSTEM THAT DETECTS A GROUND FAULT, INDICATES THAT FAULT HAS OCCURED, AND AUTOMATICALLY DISCONNECTS ALL CONDUCTORS OR CAUSES THE INVERTER TO AUTOMATICALLY CEASE SUPPLYING POWER TO OUTPUT CIRCUITS. (CEC 690.35(C)) 10. FOR UNGROUNDED SYSTEMS, THE INVERTER IS EQUIPPED WITH GROUND FAULT PROTECTION AND A GFI FUSE PORT FOR GROUND FAULT INDICATION. 11. PV MODULE FRAMES SHALL BE BONDED TO RACKING RAIL OR BARE COPPER GEC/EGC PER THE MODULE MANUFACTURER'S LISTED INSTRUCTION SHEET. 12. PV MODULE RACKING RAIL SHALL BE BONDED TO BARE COPPER G.E.C. VIA WEEB LUG, ILSCO GBL-4DBT LAY-IN LUG, OR EQUIVALENT LISTED LUG. 13. THE PHOTOVOLTAIC INVERTER WILL BE LISTED AS UL 1741 COMPLIANT. 14. RACKING AND BONDING SYSTEM TO BE UL2703 RATED. 15. ANY REQUIRED GROUNDING ELECTRODE CONDUCTOR WILL BE CONTINUOUS, EXCEPT FOR SPLICES OR JOINTS AT BUSBARS WITHIN LISTED EQUIPMENT. (CEC 250.64(C)) 16. WHEN BACKFED BREAKER IS THE METHOD OF UTILITY INTERCONNECTION, THE BREAKERS SHALL NOT READ "LINE AND LOAD". 17. WHEN APPLYING THE 120% RULE OF CEC 705.12(D)(2), THE SOLAR BREAKER TO BE POSITIONED AT THE OPPOSITE END OF THE BUS FROM THE MAIN BREAKER PER 705.12(D)(7). 18. THE WORKING CLEARANCE AROUND THE EXISTING ELECTRICAL EQUIPMENT AS WELL AS THE NEW ELECTRICAL EQUIPMENT WILL BE MAINTAINED IN ACCORDANCE WITH CEC 110.26(A) ALL MATERIALS, EQUIPMENT, INSTALLATION AND WORK SHALL COMPLY WITH THE FOLLOWING APPLICABLE CODES: · 2019 CBC / 2018 IBC · 2019 CRC / 2018 IRC · 2019 CEC / 2020 NEC · 2019 CMC / 2018 UMC · 2019 CPC / 2018 UPC · 2019 CFC / 2018 IFC · 2019 BUILDING ENERGY EFFICIENCY STANDARDS · 2019 CALIFORNIA ENERGY CODE TITLE 24 · 2019 CALIFORNIA HEALTH AND SAFETY CODE · CEC ARTICLE 690 · CFC ARTICLE 605.11 · IEEE STANDARD 929 · UL STANDARD 1741 · OSHA 29 CFR 1910.269 · WHERE APPLICABLE, RULES OF THE PUBLIC UTILITIES COMMISSION REGARDING SAFETY AND RELIABILITY · THE AUTHORITY HAVING JURISDICTION · MANUFACTURERS' LISTINGS AND INSTALLATION INSTRUCTIONS · 2017 LAEC, 2017 LABC, 2017 LAMC, 2013 NATIONAL FIRE ALARM CODE (NFPA 72), 2016 CALIFORNIA ENERGY CODE, 2017 LA GREEN CODE · ELECTRICAL EQUIPMENT SHALL BE LISTED BY A CITY OF LOS ANGELES RECOGNIZED ELECTRICAL TESTING LABORATORY OR APPROVED BY THE DEPARTMENT NOTES DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 02 NOTES LICENSE HOLDER SIGNATURE: SAM PARTIDA PROPERTY DETAILS Scale: 1/16” : 1’ S (E) PRO P E R T Y L I N E AUGUSTA D R I V E (E) DRIV E W A Y (E) SING L E F A M I L Y H O M E ( E ) P R O P E R T Y L I N E ( E ) P R O P E R T Y L I N E POOL 6'-8" 2 2 ' - 6 " 4'-2" 1 4 ' - 2 " DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 03 PROPERTY PLAN LICENSE HOLDER SIGNATURE: SAM PARTIDA N ACD MP PM I JB 3’ FIRE SETBACKS FIRE ACCESS POINT ROOF VENTS/ OBSTRUCTIONS SERVICE POINT & UTILITY METERING AC DISCONNECT PRODUCTION METER INVERTER (INTEGRATED DC DISCONNECT) JUNCTION BOX STRING DESIGNATIONS (A1=STRING 1, B1=STRING 2, ETC) CONDUIT RUN CONDUIT TO BE RUN ON CONDUIT BLOCKS MIN. 1" ABOVE ROOF SURFACE, CLOSE TO RIDGE LINES, AND UNDER EAVES; TO BE PAINTED TO MATCH EXTERIOR/ EXISTING BACKGROUND COLOR OF ITS LOCATION; TO BE LABELED AT MAX 10' INTERVALS CONDUIT RUNS ARE APPROXIMATE AND ARE TO BE DETERMINED IN THE FIELD BY THE INSTALLERS M P A C D I P M ROOF PLAN Scale: 1” : 10’ S JB EXISTING GAS METER: EQUIPMENT MUST BE INSTALLED A MIN. 24’’ FROM EITHER SIDE FOR A TOTAL OF 48’’ WIDE NO VENTS (DORMER, PLUMBING, MECHANICAL) TO BE COVERED OR ROUTED AROUND SOLAR MODULES PER R331.4.1 OF THE CALIFORNIA RESIDENTIAL CODE, ROOF ACCESS POINTS SHALL BE LOCATED IN AREAS THAT DO NOT REQUIRE THE PLACEMENT OF GROUND LADDERS OVER OPENINGS SUCH AS WINDOWS OR DOORS. LEGEND = ARRAY 1 AZIMUTH:162° PITCH: 24° SQ. FT: 276.8 A1,A2,A3…. B1,B2,B3…. = DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 04 ROOF PLAN LICENSE HOLDER SIGNATURE: SAM PARTIDA N MODULE MECHANICAL SPECS DESIGN INFORMATION UPLIFT CALCULATIONS ELEVATION DETAIL ATTACHMENT DETAIL PARTIAL FRAMING PLAN ARRAY 1 PANEL # AREA SQ. FT TOTAL LOAD MOUNTING POINTS PULL OUT STRENGTH (LBS) ARRAY WEIGHT (LBS) LBS PER MOUNTING POINT MODULE TYPE Silfab SLA320M [BLK] MAX DESIGN LOAD (WIND & SNOW) 2400 PA UPWARD/ 5400 PA DOWNWARD MODULE WEIGHT - EA 41.9 LBS MODULE DIMENSIONS (H X L X D) 65’’ X 39’’ X 1.5'' MODULE AREA - EA 17.3 SQ. FT SINGLE LAYER S-TILE RAFTERS: 2x 6@24’’O.C. MODULE STRUCTURAL ATTACHMENT 3’’-6’’ NTS MOUNTING DIAGRAM Scale: 1/16” : 1' 0 DESIGN WIND SPEED 110 MPH DESIGN SNOW LOAD 20 PSF # OF STORIES 1 ROOF PITCH 24° TOTAL ARRAY AREA (SQ. FT) 276.8 TOTAL ROOF AREA (SQ. FT) 3485.45 ARRAY SQ. FT/TOTAL ROOF SQ. FT 7.94% NTS IRONRIDGE RAIL FLASHING 5/16’’ X 4’’ SS LAG BOLT MIN. 2-1/2’’ EMBEDMENT EPDM BONDED SEALING WASHER ALL TILE HOOK GROUNDING MODULE CLAMP 6 ' - 7 " 3'-0" 26'-0" FOOTINGS MAX @ 72 O.C. IRONRIDGE XR10 RAIL 16 276.8 8304 24 10080 624 26.00 DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 05 ATTACHMENT DETAIL LICENSE HOLDER SIGNATURE: SAM PARTIDA P-320 DC OPTIMIZERS MAIN SERVICE DISCONNECT 200A/2P FACILITY GROUND (E) GROUND ROD + (E) WATER PIPE BOND (N)PV OCPD 2P 30A (E)200A RATED MAIN SERVICE PANEL (N) AC DISCONNECT SQUARE D DU221RB 30A 240V NEMA 3R NON-FUSIBLE, VISIBLE LOCKABLE LABELED A String of 16 Silfab SLA320M [BLK] (3) #10 THWN-2 (1) #10 THWN-2 GND MIN. 3/4” EMT (3) #10 THWN-2 (1) #10 THWN-2 GND MIN. 3/4” EMT (2) #10 THWN-2 (1) #10 THWN-2 EGC MIN. 1/2” EMT (2) #10 AWG PV WIRE (1) #6 BARE COPPER EGC FREE AIR WIRE SECTION [C]WIRE SECTION [C] WIRE SECTION [B] WIRE SECTION [A] (E) LOADS UTILITY SERVICE 120/240V SINGLE PHASE G Utility Interactive Inverter SolarEdge SE5000H-US SOLAREDGE RAPID SHUTDOWN KIT & INTEGRATED DC DISCONNECT (N)SUNNOVA REVENUE GRADE LOCUS METER SOLADECK NEMA 3R RATED JUNCTION BOX: SHALL COMPLY W/ NEC 110.3 & 314.16 NOTES: ·MODULES ARE BONDED TO RAIL USING UL 2703 RATED BONDING SYSTEM - INTEGRATED BONDING MID-CLAMPS + DIRECT-BURIAL LAY-IN-LUGS; SEE ATTACHED FOR SPECIFICATIONS ·IF APPLICABLE, ·PV DC SYSTEM IS UNGROUNDED ·PV ARRAY WILL HAVE A GROUNDING ELECTRODE SYSTEM IN COMPLIANCE WITH NEC 250.58 AND 690.47(A) ·PV SOURCE, OUTPUT, AND INVERTER INPUT CIRCUIT WIRING METHODS SHALL COMPLY WITH NEC 690.1(G) ·BACKFED PV BREAKER WILL BE INSTALLED AT OPPOSITE END OF THE BUS BAR FROM THE MAIN BREAKER. A PERMANENT WARNING LABEL TO BE INSTALLED PER SYSTEM SIGNAGE, PAGE ·BARE COPPER IS TRANSITIONED TO THWN-2 VIA IRREVERSIBLE CRIMP; WHEN PRESENT, THE GEC TO BE CONTINUOUS AS PER CEC 250.64(C) ·INVERTER(S) TO BE COMPLIANT WITH UL 1741 SUPPLEMENT A VISIBLE LOCKABLE LABELED DISCONNECT IS WITHIN 10' OF THE UTILITY METER DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 06 1-LINE DIAGRAM LICENSE HOLDER SIGNATURE: SAM PARTIDA DC-DC OPTIMIZER ELECTRICAL SPECS (SOLAREDGE P320) MAX INPUT DC VOLTAGE 48V MAX INPUT CURRENT 13.75A MAX OUTPUT VOLTAGE 60V MAX OUTPUT CURRENT 15A SAFETY OUTPUT VOLTAGE 1V/PER OPTIMIZER MIN/MAX STRING LENGTH 8-25 MAX POWER PER STRING 5700 , (6000 WITH SE7600- SE11400) SYSTEM CONFIGURATION TOTAL NUMBER OF MODULES PAIRED WITH OPTIMIZERS 16 NUMBER OF OPTIMIZER STRINGS AT INVERTER 1 NUMBER OF DC-DC OPTIMIZERS IN SERIES STRING 1 16 PV MODULE ELECTRICAL SPECS - Silfab SLA320M [BLK] POWER MAX (Pmax)320W OPEN CIRCUIT VOLTAGE (Voc)40.45V SHORT CIRCUIT CURRENT (Isc)9.96A MAX. POWER-POINT VOLTAGE (Vmp)33.7V MAX. POWER POINT CURRENT (Imp)9.5A SERIES FUSE RATING 20A VALUES AT DC-DC OPTIMIZER (SOLAREDGE P320) # OF MODULES IN SERIES PER OPTIMIZER 1 MODULE MAX. OUTPUT VOLTAGE (1 x 40.45 x 1.14)46.1A OPTIMIZER MAXIMUM ALLOWABLE INPUT VOLTAGE 48V NUMBER OF MODULES IN PARALLEL PER OPTIMIZER 1 MODULE MAX. OUTPUT CURRENT (1 x 9.96)9.96A OPTIMIZER MAX ALLOWABLE INPUT CURRENT 15A VALUES AT DC DISCONNECT (SE5000H) MAXIMUM POWER-POINT VOLTAGE 380V MAXIMUM POWER-POINT CURRENT 16.5A MAXIMUM VOLTAGE 480V SHORT CIRCUIT CURRENT 30A AC VALUES AT INVERTER NOMINAL VOLTAGE/ OPERATING RANGE 240/ 211-264 V UTILITY VOLTAGE 120/240 V CEC EFFICIENCY 99% OVERCURRENT PROTECTION 30A INVERTER ELECTRICAL SPECS - SOLAREDGE 5000H MAX INPUT DC VOLTAGE 480V MAX INPUT CURRENT 13.5A NOMINAL DC INPUT VOLTAGE 380V MAXIMUM OUTPUT POWER 5000W MAXIMUM CONT. OUTPUT CURRENT 21A MAXIMUM EFFICIENCY 99% BUSBAR CALCS - 120% RULE SIZE OF MAIN BUS SIZE OF MAIN BREAKER SIZE OF PV BREAKER BUSBAR CALCS - 120% RULE SIZE OF MAIN BUS SIZE OF MAIN BREAKER SIZE OF PV BREAKER 200 + 30 <= 200x 1.2; 230<= 240, OK 200A 200A 30A WIRE SIZE CALCULATIONS WIRE SECTION (REFER TO LINE DIAGRAM) MIN AMPACITY REQUIRED (OPT/INV MAX CURRENT * 1.25) CONDUIT TYPE & SIZE GROUND WIRE SIZE WIRE TYPE WIRE AMPACITY AT 30°C WIRE/CONDUIT LOCATION AMBIENT TEMPERATURE ROOF TOP CONDUIT ADDER (PER CEC 310.15(B)(3)(C)) TOTAL TEMP TO DERATE AMBIENT TEMP CORRECTION FACTOR MULTIPLE CONDUCTOR ADJUSTMENT FACTOR (PER CEC 310.15(B)(3)(A)) [A] 18.8A FREE AIR 6 BARE COPPER 10 AWG PV WIRE 40A BEHIND MODS 55° 0° 55° 0.76 1.0 30.4 [B] 18.8A 1/2'' EMT 10 THWN-2 EGC 10 AWG THWN-2 40A ATTIC 55° 0° 55° 0.65 1.0 26 [C] 30A 3/4'' EMT 10 THWN-2 GND 10 AWG THWN-2 40A EXTERIOR 39° 0° 39° 0.91 1.0 36.4 DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 07 ELECTRICAL CALCS LICENSE HOLDER SIGNATURE: SAM PARTIDA WARNING PHOTOVOLTAIC POWER SOURCE WARNING ELECTRICAL SHOCK HAZARD THE DC CONNECTORS OF THIS PHOTOVOLTAIC SYSTEM ARE UNGROUNDED AND MAY BE ENERGIZED IN THE OPEN POSITION WARNING ELECTRICAL SHOCK HAZARD IF A GROUND FAULT IS INDICATED NORMALLY GROUNDED CONDUCTORS MAY UNGROUNDED AND MAY BE ENERGIZED WARNING INVERTER OUTPUT CONNECTION: DO NOT RELOCATE THIS OVERCURRENT DEVICE WARNING DUAL POWER SUPPLY SECOND SOURCE IS PHOTOVOLTAIC SYSTEM RATED AC OUTPUT CURRENT: 30A NORMAL OPERATING VOLTAGE: 240V (B) METER MAIN CAUTION: SOLAR ELECTRIC SYSTEM CONNECTED (A) TO BE INSTALLED AT THE MAIN ELECTRICAL SERVICE TO BE INSTALLED AT THE MAIN ELECTRICAL SERVICE, AC DISCONNECT, AND PV LOAD CENTER WARNING: THIS SERVICE METER IS ALSO SERVED BY A PHOTOVOLTAIC SYSTEM (C) TO BE INSTALLED AT THE MAIN ELECTRICAL SERVICE AND SUB PANELS (D) TO BE INSTALLED NEXT TO THE PV BREAKER AT THE MAIN ELECTRICAL SERVICE AND PV LOAD CENTER (E) TO BE INSTALLED ON THE INVERTER WARNING ELECTRICAL SHOCK HAZARD TERMINALS ON BOTH THE LINE AND THE LOAD SIDE MAY BE ENERGIZED IN THE OPEN POSITION (F) TO BE INSTALLED ON THE DC DISCONNECT PV SOLAR - AC DISCONNECT (I) TO BE INSTALLED AT THE AC DISCONNECT (J) TO BE INSTALLED AT THE JUNCTION BOXES AND DC DISCONNECT (UNDER GROUNDED SYSTEMS) TO BE PLACED AT JUNCTION BOXES, DISCONNECTS, RACEWAYS, ENCLOSURES AND CABLE ASSEMBLIES; MARKINGS SHALL BE PLACES ON INTERIOR AND EXTERIOR DC CONDUIT, RACEWAYS, ENCLOSURES, AND CABLE ASSEMBLIES EVERY 10 FEET, WITHIN 1 FOOT OF TURNS OR BENS AND WITHIN 1 FOOT ABOVE AND BELOW PENETRATIONS OF ROOF/ CEILING ASSEMBLIES, WALLS OR BARRIERS (K) PV LOADS ONLY - DO NOT ADD ADDITIONAL LOADS (L) TO BE INSTALLED AT THE DEDICATED LOAD CENTER (A)(B) (C) (D)(M)(O) SUB PANEL (WHEN PRESENT) PV METER (WHEN PRESENT) AC DISCONNECT (WHEN PRESENT)INVERTERDC DISCONNECTJUNCTION BOX PV ARRAY (D) (B)(C) (B)(H)(I) (E) (F)(G)(J) (J) (K) (K) (N) PROPERTY SPECIFIC DIRECTORY PLACARD TO BE INSTALLED AT MAIN ELECTRICAL SERVICE, PLEASE SEE PG 8 FOR MORE DETAILS PV SYSTEM DC DISCONNECT MAXIMUM VOLTAGE:480 VDC MAXIMUM CIRCUIT CURRENT:15A MAXIMUM RATED OUTPUT CURRENT OF DC-TO-DC CONVERTER (IF INSTALLED):15A (G) TO BE INSTALLED AT THE DC DISCONNECT PER NEC 690.53 RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM (H) MUST BE PROVIDED NEXT TO AC DISCONNECT PER NEC 690.56(C)(3) TO BE INSTALLED AT MAIN ELECTRIC SERVICE TURN RAPID SHUTDOWN SWITCH TO ‘’OFF’’ POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN ARRAY SOLAR PV SYSTEM IS EQUIPPED WITH RAPID SHUTDOWN: THIS EXACT SIGN IS REQUIRED ON THE OUTSIDE (OR WITHIN 3’ OF) THE SERVICE PANELBOARD, PER NEC 690.56(C)(1) (O) (N) LABELS: ALL LETTERS SHALL BE CAPITALIZED, 3/8’’ WHITE LETTERING ON RED BACKGROUND, ARIAL OR SIMILAR FONT, NON-BOLD, REFLECTIVE, ON WEATHER-RESISTANT MATERIAL SUITABLE FOR THE ENVIRONMENT (USE UL-969 AS STANDARD FOR WEATHER RATING) WILL BE USED; DURABLE ADHESIVE MATERIALS MEET THIS REQUIREMENT. SIGNAGE CANNOT BE HAND WRITTEN(PER NEC 110.21) DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 08 LABELS LICENSE HOLDER SIGNATURE: SAM PARTIDA INTERCONNECTION PHOTOS DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 09 INTERCONNECTION LICENSE HOLDER SIGNATURE: SAM PARTIDA CAUTIONPOWER TO THIS BUILDING IS SUPPLIED FROM THE FOLLOWING SOURCES WITH DISCONNECTS LOCATED AS SHOWN SUNNOVA PRODUCTION METER INVERTER AC DISCONNECT SOLAR ARRAY DIRECTORY PLACARD TO BE INSTALLED ON MAIN ELECTRICAL SERVICE 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 MAIN SERVICE PANEL DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 10 Directory Placard LICENSE HOLDER SIGNATURE: SAM PARTIDA 9349 FOR INSTALLER USE ONLY DATE: 06/26/2020 REVISION 1: REVISION 2: REVISION 3: DRAWN BY: MH GUNTHER, JEFFREY 321 AUGUSTA DRIVE, PALM DESERT, CA 92211 9349 36.769685 -116.354231 EMPIRE SOLAR GROUP 9 EAST EXCHANGE PLACE SALT LAKE CITY, UT 84111 CA LICENSE #1062912 11 Optimizer Map LICENSE HOLDER SIGNATURE: SAM PARTIDA IN V E R T E R S solaredge.com Optimized installation with HD-Wave technology Specifically designed to work with power optimizers Built-in module-level monitoring Outdoor and indoor installation Optional: Revenue grade data, ANSI C12.20 Class 0.5 (0.5% accuracy) Record-breaking efficiency Fixed voltage inverter for longer strings Integrated arc fault protection and rapid shutdown for NEC 2014 and 2017, per article 690.11 and 690.12 Extremely small UL1741 SA certified, for CPUC Rule 21 grid compliance Single Phase Inverter with HD-Wave Technology for North America SE3000H-US / SE3800H-US / SE5000H-US / SE6000H-US / SE7600H-US / SE10000H-US / SE11400H-US 12-25 YEAR WARRANTY SE3000H-US SE3800H-US SE5000H-US SE6000H-US SE7600H-US SE10000H-US SE11400H-US OUTPUT Rated AC Power Output 3000 3800 @ 240V3300 @ 208V 5000 6000 @ 240V5000 @ 208V 7600 10000 11400 @ 240V10000 @ 208V VA Maximum AC Power Output 3000 3800 @ 240V3300 @ 208V 5000 6000 @ 240V5000 @ 208V 7600 10000 11400 @ 240V10000 @ 208V VA AC Output Voltage Min.-Nom.-Max. (211 - 240 - 264)Vac AC Output Voltage Min.-Nom.-Max. (183 - 208 - 229)----Vac AC Frequency (Nominal)59.3 - 60 - 60.5(1)Hz Maximum Continuous Output Current @240V 12.5 16 21 25 32 42 47.5 A Maximum Continuous Output Current @208V -16 -24 --48.5 A GFDI Threshold 1 A Utility Monitoring, Islanding Protection, Country Configurable Thresholds Yes INPUT Maximum DC Power @240V 4650 5900 7750 9300 11800 15500 17650 W Maximum DC Power @208V -5100 -7750 --15500 W Transformer-less, Ungrounded Yes Maximum Input Voltage 480 Vdc Nominal DC Input Voltage 380 400 Vdc Maximum Input Current @240V(2)8.5 10.5 13.5 16.5 20 27 30.5 Adc Maximum Input Current @208V(2)-9 -13.5 --27 Adc Max. Input Short Circuit Current 45 Adc Reverse-Polarity Protection Yes Ground-Fault Isolation Detection 600k Sensitivity Maximum Inverter Efficiency 99 99.2 % CEC Weighted Efficiency 99 99 @ 240V98.5 @ 208V % Nighttime Power Consumption < 2.5 W ADDITIONAL FEATURES Supported Communication Interfaces RS485, Ethernet, ZigBee (optional), Cellular (optional) Revenue Grade Data, ANSI C12.20 Optional(3) Rapid Shutdown - NEC 2014 and 2017 690.12 Automatic Rapid Shutdown upon AC Grid Disconnect STANDARD COMPLIANCE Safety UL1741, UL1741 SA, UL1699B, CSA C22.2, Canadian AFCI according to T.I.L. M-07 Grid Connection Standards IEEE1547, Rule 21, Rule 14 (HI) Emissions FCC Part 15 Class B INSTALLATION SPECIFICATIONS AC Output Conduit Size / AWG Range 1" Maximum / 14-6 AWG 1" Maximum /14-4 AWG DC Input Conduit Size / # of Strings / AWG Range 1" Maximum / 1-2 strings / 14-6 AWG 1" Maximum / 1-3 strings / 14-6 AWG Dimensions with Safety Switch (HxWxD)17.7 x 14.6 x 6.8 / 450 x 370 x 174 21.3 x 14.6 x 7.3 / 540 x 370 x 185 in / mm Weight with Safety Switch 22 / 10 25.1 / 11.4 26.2 / 11.9 38.8 / 17.6 lb / kg Noise < 25 <50 dBA Cooling Natural Convection Operating Temperature Range -13 to +140 / -25 to +60(4) (-40˚F / -40˚C option)(5)˚F / ˚C Protection Rating NEMA 4X (Inverter with Safety Switch) (1) For other regional settings please contact SolarEdge support (2) A higher current source may be used; the inverter will limit its input current to the values stated (3) Revenue grade inverter P/N: SExxxxH-US000NNC2 (4) For power de-rating information refer to: https://www.solaredge.com/sites/default/files/se-temperature-derating-note-na.pdf(5) -40 version P/N: SExxxxH-US000NNU4 Single Phase Inverter with HD-Wave Technology for North America SE3000H-US / SE3800H-US / SE5000H-US / SE6000H-US/ SE7600H-US / SE10000H-US / SE11400H-US © SolarEdge Technologies, Inc. All rights reserved. SOLAREDGE, the SolarEdge logo, OPTIMIZED BY SOLAREDGE are trademarks or registered trademarks of SolarEdge Technologies, Inc. All other trademarks mentioned herein are trademarks of their respective owners. Date: 03/2019/V01/ENG NAM. Subject to change without notice. Tech Brief © 2016 IronRidge, Inc. All rights reserved. Visit www.ironridge.com or call 1-800-227-9523 for more information. Version 1.20 More Resources Installation Manuals Visit our website for manuals that include UL 2703 Listing and Fire Rating Classification. Go to IronRidge.com Engineering Certification Letters We offer complete engineering resources and pre-stamped certification letters. Go to IronRidge.com Frequently Asked Questions What is a “module type”? The new UL1703 standard introduces the concept of a PV module type, based on 4 construction parameters and 2 fire performance parameters. The purpose of this classification is to certify mounting systems without needing to test it with every module. What roofing materials are covered? All fire rated roofing materials are covered within this certification including composition shingle, clay and cement tile, metal, and membrane roofs. What if I have a Class C roof, but the jurisdiction now requires Class A or B? Generally, older roofs will typically be “grandfathered in”, and will not require re-roofing. However, if 50% or more of the roofing material is replaced for the solar installation the code requirement will be enforced. Where is the new fire rating requirement code listed? 2012 IBC: 1509.7.2 Fire classification. Rooftop mounted photovoltaic systems shall have the same fire classification as the roof assembly required by Section 1505. Where is a Class A Fire Rating required? The general requirement for roofing systems in the IBC refers to a Class C fire rating. Class A or B is required for areas such as Wildland Urban Interface areas (WUI) and for very high fire severity areas. Many of these areas are found throughout the western United States. California has the most Class A and B roof fire rating requirements, due to wild fire concerns. Are standard mid clamps covered? Mid clamps and end clamps are considered part of the PV “system”, and are covered in the certification. What attachments and flashings are deemed compatible with Class A? Attachments and their respective flashings are not constituents of the rating at this time. All code-compliant flashing methods are acceptable from a fire rating standpoint. What mounting height is acceptable? UL fire testing was performed with a gap of 5”, which is considered worst case in the standard. Therefore, the rating is applicable to any module to roof gap. Am I required to install skirting to meet the fire code? No, IronRidge achieved a Class A fire rating without any additional racking components. What determines Fire Classification? Fire Classification refers to a fire-resistance rating system for roof covering materials based on their ability to withstand fire exposure. Class A - effective against severe fire exposure Class B - effective against moderate fire exposure Class C - effective against light fire exposure What if the roof covering is not Class A rated? The IronRidge Class A rating will not diminish the fire rating of the roof, whether Class A, B, or C. What tilts is the tilt mount system fire rated for? The tilt mount system is rated for 1 degrees and up and any roof to module gap, or mounting height. © 2018 IronRidge, Inc. CA Flush Mount System Certification Letter - 1 1495 Zephyr Avenue Hayward, CA 94544 1-800-227-9523 IronRidge.com Attn: Corey Geiger, COO, IronRidge Inc. Date: September 7th, 2018 Re: Structural Certification and Span Tables for IronRidge Flush Mount System This letter addresses the structural performance and code compliance of IronRidge’s Flush Mount System. The Flush Mount System is a proprietary rooftop mounting system used to support photovoltaic (PV) modules installed in portrait or landscape orientation and set parallel to the underlying roof surface. PV modules are supported by extruded aluminum XR Rails and secured to the rails with IronRidge mounting clamps. The XR Rails are side mounted to a selected roof attachment with 3/8” stainless steel bonding hardware and then attached directly to the roof structure or to a stanchion that is fastened to the underlying roof structure. Assembly details of a typical Flush Mount installation and its core components are shown in Exhibit EX-0015. The IronRidge Flush Mount System is designed and certified to the structural requirements of the reference standards listed below, for the load conditions and configurations tabulated in the attached span tables. • ASCE/SEI 7-10 Minimum Design Loads for Buildings and Other Structures (ASCE 7-10) • 2015 International Building Code (IBC-2015) • 2016 California Building Code (CBC-2016) • 2015 Aluminum Design Manual (ADM-2015) The tables included in this letter provide the maximum allowable spans of XR Rails in the Flush Mount System for the respective loads and configurations listed, covering wind exposure categories B, C, & D, roof zones 1, 2 & 3, and roof slopes from 0º to 45º. The span tables are applicable provided that the following conditions are met: 1. Span is the distance between two adjacent roof attachment points (measured at the center of the attachment fastener) 2. The underlying roof pitch, measured between roof surface and horizontal plane, is 45º or less. 3. The mean roof height, defined as the average of the roof eave height and the roof ridge height measured from grade, does not exceed 30 feet. 4. Module length shall not exceed the listed maximum dimension provided for the respective span table and module width shall not exceed 48”. 5. All Flush Mount components shall be installed in a professional workmanlike manner per IronRidge’s Flush Mount installation manual and other applicable standards for general roof construction practice. © 2018 IronRidge, Inc. CA Flush Mount System Certification Letter - 2 1495 Zephyr Avenue Hayward, CA 94544 1-800-227-9523 IronRidge.com The parameters and adjustments allowed in the span tables are defined as the following: 1. The Flush Mount System is designed as a Risk Category II structure as defined by ASCE 7-10 Chart 1.5-1. 2. When designing with a roof slope not listed in the span tables, but no greater than 45°, the lesser of the two span values listed immediately below and above the desired slope shall be used. For instance, if one is designing to a roof slope of 12º, use the lesser of the two span values associated with 10º and 15º. 3. The wind speed selection shall conform to ASCE 7-10 Fig. 26.5-1A (Risk Category II wind) and any state & local county/city amendments to the IBC. No special wind topographic features are included in the span tables and the topographic coefficient (Kzt) is taken as 1.0. 4. The snow load used in the span tables is the ground snow and shall conform to ASCE 7-10 Fig. 7-1. If a more restrictive snow load is imposed by a local building code/amendment to the IBC, such snow load requirement shall also be complied with. If the local jurisdiction specified snow load is in the format of a flat roof snow load, it shall first be converted to a ground snow following the local building code/amendment before the application of the attached span tables. No special snow conditions are considered including unbalanced, drifting, sliding or ponding snow. Snow load conditions presented in the span tables do not include buildings which are intentionally kept below freezing, kept just above freezing, or unheated. 5. The span tables reflect the ASCE 7 prescribed earthquake loads with the maximum magnitudes being: 1) For ground snow no greater than 42psf: S s ≤ 2.0g for Site Class A, B, C, or D. 2) For ground snow greater than 65psf: S s ≤ 1.0g for Site Class A, B, C, or D. 3) For ground snow between 42 and 65psf: S s ≤ 1.5g for Site Class A, B, C, or D. 6. Roof zone size and definition conforms to ASCE 7-10 Fig. 30.4-2A. 7. Allowable span length in the charts may be multiplied by a factor of 1.08 if the rails are continuous over a minimum of three spans. 8. An array to roof clearance of 2” minimum must be provided. 9. The maximum cantilever length measured from the rail end to the nearest attachment point shall not exceed 40% of the allowable span provided for the respective load & configuration condition from the span tables. 10. No rail splices are allowed in the cantilever, outer 2/3 of end spans, or middle 1/3 of interior spans. 11. For shaded cells of the span tables, UFO Mid Clamps shall not be installed closer than 20” to the shaded cell’s associated Roof Zone. 12. When a roof attachment listed in IronRidge’s Flush Mount installation manual is considered, the span values provided in this letter can be adjusted using IronRidge’s online Design Assistant by checking the capacity of the selected roof attachment against the reaction forces provided in Design Assistant. © 2018 IronRidge, Inc. CA Flush Mount System Certification Letter - 3 1495 Zephyr Avenue Hayward, CA 94544 1-800-227-9523 IronRidge.com 13. Systems using CAMO module clamps shall be installed with the following guidance: 1) For single module installations (“orphan modules”) using modules with a length greater than 67.5”, CAMO clamps shall not be installed in regions that experience ground snow loads of 70psf and greater: such scenarios are shown by asterisks in the applicable span table. 2) CAMO will function within a module’s design load ratings. Be sure the specific module being used with CAMO is listed in IronRidge’s installation manual, is suitable for the environmental conditions of a particular project, and meets the dimensional requirements shown in the figure below. Figure 1: CAMO Module Frame Dimensional Requirements © 2018 IronRidge, Inc. CA Flush Mount System Certification Letter - 4 1495 Zephyr Avenue Hayward, CA 94544 1-800-227-9523 IronRidge.com The span tables provided in this letter are certified based on the structural performance of IronRidge XR Rails only with no consideration of the structural adequacy of the chosen roof attachments, PV modules, or the underlying roof supporting members. It is the responsibility of the installer or system designer to verify the structural capacity and adequacy of the aforementioned system components in regards to the applied or resultant loads of any chosen array configuration. Sincerely, Gang Xuan, SE Senior Structural Engineer Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 Zone 1 Zone 2 Zone 3 5 80 73 55 67 67 55 56 56 55 55 55 55 50 50 50 45 45 45 41 41 41 38 38 38 36 36 36 34 34 34 10 79 74 56 66 66 56 55 55 55 54 54 54 47 47 47 43 43 43 39 39 39 36 36 36 33 33 33 31 31 31 15 78 73 56 65 65 56 55 55 55 51 51 51 45 45 45 40 40 40 37 37 37 33 33 33 32 32 32 30 30 30 20 77 72 55 65 65 55 55 55 55 51 51 51 45 45 45 40 40 40 37 37 37 34 34 34 32 32 32 30 30 30 25 76 72 55 65 65 55 55 55 55 52 52 52 45 45 45 41 41 41 38 38 38 34 34 34 32 32 32 31 31 31 27 75 66 54 63 63 54 53 53 53 45 45 45 39 39 39 36 36 36 33 33 33 30 30 30 28 28 28 27 27 27 30 74 74 74 65 65 65 56 56 56 54 54 54 47 47 47 43 43 43 39 39 39 37 37 37 34 34 34 32 32 32 35 74 74 74 66 66 66 58 58 58 56 56 56 49 49 49 45 45 45 41 41 41 38 38 38 36 36 36 34 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42 35 45 42 35 40 40 35 37 37 35 34 34 34 32 32 32 30 30 30 25 57 42 35 57 42 35 52 42 35 51 42 35 45 42 35 41 41 35 38 38 35 34 34 34 32 32 32 31 31 31 27 56 41 33 56 41 33 49 41 33 44 41 33 39 39 33 39 39 33 33 33 33 30 30 30 28 28 28 27 27 27 30 53 49 49 52 49 49 47 47 47 47 47 47 44 44 44 40 40 40 38 38 38 36 36 36 34 34 34 32 32 32 35 52 49 49 52 49 49 48 48 48 48 48 48 45 45 45 41 41 41 39 39 39 38 38 38 36 36 36 34 34 34 40 52 49 49 52 49 49 49 49 49 49 49 49 46 46 46 44 44 44 41 41 41 40 40 40 38 38 38 37 37 37 45 52 48 48 52 48 48 51 48 48 50 48 48 48 48 48 46 46 46 44 44 44 43 43 43 40 40 40 39 39 39 Rail: XR10 Flush Mount System Span Table (inches) Portrait Installation (Maximum Module Length 67.5") Exposure B Wind Speed (mph) Roof Slope (degs.) 110 20 psf 30 psf 40 psf 50 psf 60 psf 70 psf 80 psf 90 psf 115 120 Ground Snow: 0 psf 10 psf 180 130 140 150 160 170 VARIES VARIES B C A XR Rail Slope Module Mounting System Bonding Mid Clamp DETAIL C (Module Removed for Clarity) Module Mounting System Bonding End Clamp (CAMO) Module Mounting System Bonding End Clamp (UFO) DETAIL A XR Rail EXHIBIT: EX-0015 - page 1 of 3 05/25/2018 PLAN VIEW DETAIL B FLUSH MOUNT SYSTEM PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF IRONRIDGE INC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF IRONRIDGE INC. IS PROHIBITED. WEIGHT: N/A SHEET 1 OF 3 --DWG. NO.SIZE SCALE: NTS EX-0015 0.4 X L ( MAX) 0.4 X L ( MAX) (L) Span GE F D Existing Roof Structure CL CL DETAIL G Module Mounting SystemBonding End Clamp (UFO) PV Module 3/8" Module Gap (TYP) DETAIL E Module Mounting SystemBonding Mid Clamp PV ModulePV Module DETAIL F Roofing Framing(By Others)Flashing(FlashFoot2 Shown for Reference) Roofing(By Others) PV Module PV Module Rail Attachment(FlashFoot2 CapShown for Reference)XR Rail DETAIL D(Module Removed For Clarity) Module Mounting SystemBonding End Clamp (CAMO) XR Rail EXHIBIT: EX-0015- page 2 of 3 05/25/2018 PLAN VIEW FLUSH MOUNT SYSTEM PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF IRONRIDGE INC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF IRONRIDGE INC. IS PROHIBITED. WEIGHT: N/A SHEET 2 OF 3 --DWG. NO.SIZE SCALE: NTS EX-0015 H DETAIL H Rail Attachment(FlashFoot2 Cap Shown for Reference) Flashing(FlashFoot2 Shown for Reference) Roof Framing(By Others) Module Mounting SystemBonding End Clamp (CAMO) Module Mounting System Bonding Mid Clamp XR Rail Options, TYP: 3/8" Bolt and Nut, (TYP) Roof Panels(By Others) Roof Covering (Shown for Reference) Module Mounting SystemBonding End Clamp (UFO) OR 3.0 2.4 1.8 XR10 XR100 XR1000 EXHIBIT: EX-0015 - page 3 of 3 05/25/2018 FLUSH MOUNT SYSTEM PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF IRONRIDGE INC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF IRONRIDGE INC. IS PROHIBITED. WEIGHT: N/A SHEET 3 OF 3 --DWG. NO.SIZE SCALE: NTS EX-0015 ALL TILE ROOF HOOK FOR SIDE MOUNT RAILS; ADJUSTABLE SOLARROOFHOOK A DIVISION OF QUICKSCREWS INTERNATIONAL CORP 17585 17586, 17587, 17588, 17589, 17618 AHJ CONDENSED PERMIT PACKAGE 2018 5830 Las Positas Road, Livermore CA 94551 | 3948 Airway Drive, Rock Hill SC 29732 Phone: (844) 671-6045 | Fax: (800) 689-7975 | www.solarroofhook.com SolarRoofHook is a division of Quickscrews International Corp.3 SPEC SHEETALL TILE ROOF HOOK FOR SIDE MOUNT RAILS; ADJUSTABLE Part #Box Quantity Screw Size 17585 10 Hooks N/A 17586 1 Hook N/A 17587 10 Hooks; 20 Screws 5/16” x 3” 17588 1 Hook; 2 Screws 5/16” x 3” 17589 10 Hooks; 20 Screws #14 x 3” 17618 1 Hook; 2 Screws #14 x 3” 5830 Las Positas Road, Livermore CA 94551 | 3948 Airway Drive, Rock Hill SC 29732 Phone: (844) 671-6045 | Fax: (800) 689-7975 | www.solarroofhook.com SolarRoofHook is a division of Quickscrews International Corp. Letter Description Size/Length A Mounting Screw Slot 9mm x 18mm B Rail Slot Size 10mm x 71mm C Length of Roof Hook 179.5mm D Bottom End to Top End 190.3mm - 198.5mm E Thickness 6mm F Adjustability Range 34mm - 42mm Part #Box Quantity Screw Size 17585 10 Hooks N/A 17586 1 Hook N/A 17587 10 Hooks; 20 Screws 5/16” x 3” 17588 1 Hook; 2 Screws 5/16” x 3” 17589 10 Hooks; 20 Screws #14 x 3” 17618 1 Hook; 2 Screws #14 x 3” SOLAR ENERGY SYSTEM DISCLOSURE DOCUMENT This disclosure shall be printed on the front page or cover page of every solar energy contract for the installation of a solar energy system on a residential building. The TOTAL COST for the solar energy system (including financing and energy / power cost if applicable) is: $0.133 per kWh for the power produced, with an annual increase of 0.0 %; $0 due at installation. This rate does not include discount for payments with ACH. To make a complaint against a contractor who installs this system and/or the home improvement salesperson who sold this system, contact the Contractors State License Board (CSLB) through their website at www.cslb.ca.gov (search: “complaint form”), by telephone at 800‐321‐CSLB (2752), or by writing to P.O. Box 26000, Sacramento, CA 95826. If the attached contract was not negotiated at the contractor's place of business, you have a Seven‐Day Right to Cancel the contract, pursuant to Business and Professions Code (BPC) section 7159, as noted below. For further details on canceling the contract, see the Notice of Cancellation, which must be included in your contract. Seven‐Day Right to Cancel You, the buyer, have the right to cancel this contract within seven business days. You may cancel by e‐mailing, mailing, faxing, or delivering a written notice to the contractor at the contractor's place of business by midnight of the seventh business day after you received a signed and dated copy of the contract that includes this notice. Include your name, your address, and the date you received the signed copy of the contract and this notice. This document was developed through coordination of the California Contractors State License Board and the California Public Utilities Commission pursuant to Business and Professions Code section 7169. DocuSign Envelope ID: 90BCFC99-926C-4A83-BCD8-CEAEEA178A82 Agreement ID: AI003029426 HOMEOWNER JEFFREY GUNTHER DATE ISSUED 7/21/2020 1:33 PM ADDRESS 321 AUGUSTA DR PALM DESERT, CA 92211 INSTALLATION LOCATION 321 AUGUST A DR PALM DESERT, CA 92211 Homeowner’s initials dl.initialhere.1 Homeowner’s initials dl.initialhere.2 Sunnova Easy Save Monthly AGREEMENT BENEFITS & INSTALLATION PROCESS Empire Solar Group and Sunnova will install a 5.120-kW solar system on your home. Your system is estimated to produce 9,166 kilowatt hours in the first year of service. (Schedule A) Your agreement includes your down payment of $0.00. Your monthly payment will never increase by more than approximately 0.0 %per year. (Schedule A) Empire Solar Group will complete the design and engineering drawings for your system, and Sunnova will review the final design to ensure it meets our high quality standards.(Sec 5(b)) Your system activation may experience delays as a result of the process for obtaining the necessary building permits and utility approval for net metering and interconnection of your system. Once your system is installed, it must still pass utility inspection before you can turn it on. You will receive a 10% discount each month when you set up automatic payments from your checking or savings account (pricing above already reflects discount). (Sec. 4(e)) You may renew this agreement for up to two successive five-year terms at the end of the original 25-year term. (Sec. 10) The pricing provided in this Easy Save Monthly Agreement is valid until August 19, 2020 If you sell your house, you may transfer the agreement and warranties to the new homeowner, provided that the new homeowner meets Sunnova’s credit requirements. (Sec. 11) If you choose not to renew the agreement at the end of your 25-year term, Sunnova will remove the system at no cost to you. Conditions apply. (Sec.17) This agreement requires the parties to resolve their disputes by arbitration rather than by lawsuits in court; jury trials and class actions are not permitted (Sec. 19) Your agreement gives you a 7-day cancellation period without incurring any fees. Any savings estimate is dependent on the energy usage information you provided us, and may change as your usage and utility rates change over time. Your solar system is covered by the Limited Warranty for the term of the agreement. (Exhibit 2) Once your system is turned on and operating, you will receive two monthly electricity bills: one from Southern California Edison (SCE)and one from Sunnova. When the electric grid goes down, your solar power system will not work. I have reviewed, understand and agree with the above agreement terms and process. 20 East Greenway Plaza Ste 475, Houston, TX 77046 281.985.9900 www.sunnova.com © 2018 Sunnova Energy Corporation.All Rights Reserved. $0.00 $0.121 $92.16 25 Years Upfront costs Rate per kW h –Year one Estimated monthly payment – Year one (Includes ACH discount) Agreement term DocuSign Envelope ID: 90BCFC99-926C-4A83-BCD8-CEAEEA178A82 20 East Greenway Plaza Ste 475, Houston, TX 77046 Date: 7/21/2020 281.985.9900 www.sunnova.com © 2018 Sunnova Energy Corporation. All Rights Reserved. Contract ID: AI003029426 1 Sunnova Easy Save Monthly Homeowner Name and Address JEFFREY GUNTHER 321 AUGUSTA DR PALM DESERT, CA 92211 Contract ID AI003029426 Co-Homeowner Name (If Any) Installation Location 321 AUGUSTA DR PALM DESERT, CA 92211 Installer/Contractor: Empire Solar Group 9 Exchange Place, Suite 400 Salt Lake City UT 84041 License: CA: 1062912 | FL: EC13008065 | NV: 0083725 (Monetary Limit: $245,000) | TX: 30077 Salesperson: Abby Buchmiller HIS #: 1062912 Salesperson Address: Empire Solar Group 9 Exchange Place, Suite 400 Salt Lake City UT 84041 Sunnova License Sunnova CA 1003498 CO. NH. Estimated Solar Energy Production Estimated First Year Annual Production: Estimated Initial Term Total Production: Payment Terms Amount Due at Contract Signing: Installation Fee: Annual Increase of Solar Energy Rate: First Year Solar Energy Rate, if paid by auto-ACH: First Year Solar Energy Rate, if not paid by auto-ACH: Estimated Monthly Bill in First Year, if paid by auto- ACH: Estimated Monthly Bill in First Year, if not paid by auto- ACH: 9,166 kW h 215,905 kW h $0.00 $0.00 0.0 % / year $0.121 / kW h $0.133 / kW h $92.16 / month $107.16 / month SOLAR POWER PURCHASE AGREEMENT 1. INTRODUCTION This Power Purchase Agreement (this “Power Purchase Agreement” or “PPA”) is the agreement between you and Sunnova Energy Corporation (together with its successors and assigns, “Sunnova” or “we”), covering the sale to you of the power produced by the solar panel system (the “System”) described below. Sunnova agrees to sell to you, and DocuSign Envelope ID: 90BCFC99-926C-4A83-BCD8-CEAEEA178A82