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SCOPE OF WORK: <br />INSTALL (25) SUNPOWER SPR-M425-H-AC SOLAR ELECTRIC <br />MODULES ON THE EXISTING 1ST STORY COMPOSITION <br />ROOF. INSTALL ASSOCIATED MOUNTING HARDWARE, <br />JUNCTION BOXES, CONDUIT, CONDUCTORS AND <br />GROUNDING. INSTALL (1) LOAD CENTER, (1) FUSED AC <br />DISCONNECT, AND CONNECT TO SCE INSTALLED GMA. <br />HOMEOWNER: HUU NGUYEN <br />PH: 714.717.0992 <br />ADDRESS: 1425 N. KING STREET <br />SANTA ANA, CA 92706 <br />DATE: 5/17/22DATE: 5/17/22 <br />ECOSOLAR USA <br />ELECTRICAL LLC <br />13962 SEABOARD CIRCLE <br />GARDEN GROVE, CA 92840 <br />PH: 714.265.9077 DAVID Q HOANG C10 - 1045300 <br />SYSTEM SIGNAGE <br />ALL SIGNAGE SHALL BE REFLECTIVE, UV RESISTANT <br />PLASTIC, RED IN COLOR WITH WHITE LETTERING, AND <br />ATTACHED WITH WEATHERPROOF ADHESIVE OR <br />OTHER APPROVED METHOD. ALL LETTERS SHALL BE A <br />MINIMUM OF 3 8" HEIGHT AND ALL CAPITALIZED. <br />ALL CONDUIT, JUNCTION BOXES AND OTHER ENCLOSURES <br />SHALL BE MARKED AT 10' MAX INTERVALS AND AT ALL <br />BENDS, TERMINATIONS, SPLICES OR CONNECTIONS WITH <br />"WARNING: PHOTOVOLTAIC POWER SOURCE". <br />WARNING <br />ELECTRIC SHOCK HAZARD <br />DO NOT TOUCH TERMINALS <br />TERMINALS ON BOTH THE LINE <br />AND LOAD SIDES MAY BE ENERGIZED <br />IN THE OPEN POSITION <br />TO BE INSTALLED AT ALL SERVICEABLE PANELS <br />OR BOXES AND AT ALL DISCONNECTS: <br />SERVICE POINT & <br />UTILITY METERING <br />PV SYSTEM DISCONNECT <br />FOR UTILITY OPERATION <br />CAUTION: <br />POWER TO THIS BUILDING IS ALSO <br />SUPPLIED FROM THE FOLLOWING SOURCES <br />WITH DISCONNECTS AS SHOWN. <br />ADDRESS: 1425 N. KING STREET, SANTA ANA, CA 92706 <br />SOLAR ARRAY <br />(ON ROOF) <br />N <br />TO BE INSTALLED ON THE OUTSIDE COVER <br />OF THE MAIN SERVICE DISCONNECT: <br />RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM <br />RATED AC OUTPUT CURRENT = 50.00 A <br />NOMINAL OPERATING AC VOLTAGE = 240 V <br />TO BE INSTALLED ON THE <br />FRONT OF THE AC DISCONNECT: <br />WARNING <br />POWER SOURCE OUTPUT CONNECTION - <br />DO NOT RELOCATE THIS OVERCURRENT DEVICE <br />TO BE INSTALLED AT THE BACKFED <br />BREAKER SERVING THE PV SOLAR SYSTEM: <br />TURN RAPID SHUTDOWN <br />SWITCH TO THE <br />"OFF" POSITION TO <br />SHUT DOWN PV SYSTEM <br />AND REDUCE <br />SHOCK HAZARD <br />IN THE ARRAY <br />SOLAR ELECTRIC <br />PV PANELS <br />SOLAR PV SYSTEM EQUIPPED <br />WITH RAPID SHUTDOWN <br />TO BE INSTALLED ON THE FRONT OF THE <br />MAIN SERVICE DISCONNECT: <br />"SOLAR PV SYSTEM EQUIPPED WITH RAPID <br />SHUTDOWN" SHALL BE BLACK LETTERING <br />ON YELLOW BACKGROUND. THE <br />REMAINDER OF THE SIGN SHALL BE BLACK <br />LETTERING ON WHITE BACKGROUND. <br />SHEET <br />NOTICE: <br />ANY CHANGES TO OR USES OF THESE <br />DOCUMENTS/DRAWINGS WITHOUT THE <br />WRITTEN CONSENT OF JENNIFER KEMME OR <br />SCOTT HARRIS ARE STRICTLY PROHIBITED. <br />4 OF 4 <br />PLANS PREPARED BY: <br />JENNIFER KEMME <br />PH: 909.748.1300 <br />SYSTEM CALCULATIONS: <br />NUMBER OF MODULES IN EACH CIRCUIT #1 = 9 <br />MODULE MAX OUTPUT CURRENT = 1.60 A <br />(9) (1.60 A) (1.25) = 18.00 A [Ic], USE 20 A BREAKERS <br />TOTAL NUMBER OF MODULES = 25 <br />(25) (1.60 A) (1.25) = 50.00 A [I], USE 60 A FUSE <br />WIRE CALCULATIONS: <br />FROM THE MODULES TO THE LOAD CENTER: <br />AMBIENT TEMPERATURE = 34°C <br />TEMPERATURE ADDER FOR CONDUIT NOT OFFSET FROM ROOF = 33°C <br />ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED <br />CONDUCTOR AT 34°C + 33°C = 67°C = 0.58 <br />Ic = 18.000 A <br />18.00 A/0.58 = 31.03 A <br />NUMBER OF CURRENT CARRYING CONDUCTORS IN CONDUIT = 6 <br />ADJUSTMENT FACTOR PER TABLE 310.15(B)(3)(a) FOR CONDUIT <br />FILL (4-6 CONDUCTORS IN CONDUIT) = 0.80 <br />31.03 A/0.80 = 38.79 A <br />SELECT WIRE SIZE WITH AMPACITY GREATER THAN 38.79 A, <br />USE 10 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 40 A <br />SELECT CONDUIT FOR (6) 10 AWG THWN-2 & (1) 10 AWG GROUND = 3 4" EMT CONDUIT <br />FROM THE LOAD CENTER TO THE GMA: <br />ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED <br />CONDUCTOR AT 34°C = 0.96 <br />I = 50.00 A <br />50.00 A/0.96 = 52.08 A <br />SELECT WIRE SIZE WITH AMPACITY GREATER THAN 52.08 A, <br />USE 8 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 55 A <br />SELECT CONDUIT FOR (3) 8 AWG THWN-2 & (1) 8 AWG GROUND = 3 4" EMT CONDUIT <br />89026PV <br />1425 N King St - <br />2017666807/25/22