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HomeMy WebLinkAbout3080 S Harbor Blvd - Solar - PlanStructural Calculations for a Concrete Pad for the Sol-Ark ESS for: 3080 S Harbor Blvd Santa Ana, CA 92704 Applicable Codes: 2025 California Building Code, 2025 California Electric Code, 2025 California Mechanical Code, American Society of Civil Engineers Standard ASCE 7-22 Minimum Design Loads for Buildings and Other Structures, American Wood Council 2024 National Design Specification for Wood Construction, Local Municipal Code, and all other codes which are adopted by reference or enacted by law. Assumed Design Parameters: Soil is Sand, Silty Sand, Clayey Sand, Silty Gravel or Clayey Gravel. ( SW, SP, SM, SC, GM or GC ) or better. Presumptive Load­Bearing Values per Table 18.02 of 2022 CBC Contractor, Building Official or Project Engineer shall verify on­site soil parameters. Sht # 1 of 4 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 18, 2026 9924 Universal Boulevard #224­406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Loyd W. Martin Professional Engineer, Inc. Exp. 3-31-19 No. C58724 NITRAMW.DYO REGISTEREDPROFESSIONALENGINEER C V L FOETATS ALIFORNIAICIL ­2187 D1 TYPICAL PAD DETAIL SECTION VIEW DRAWN BY: LWM DATE: 2-18-26 JOB: 2026-0084 Carlsbad Solar 9924 Universal Boulevard #224­406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Loyd W. Martin Professional Engineer, Inc. 6'-10" 8' - 1 " (N) BESS CONCRETE PAD (N) REMOVABLE BOLLARD (TYP.) THE GROUND BELOW SLAB TO BE COMPACTED FILL / GRAVEL CONTINUOUS BAR AT BOTTOM. MATCH BAR SIZE IN SLAB REINF. (1) HOOK TOP BAR AT THICKENED EDGE OF SLAB (1) 12" THICK SLAB ON GRADE 3000PSI MIN. W/ #4 BARS @ 16"O.C. (N) 5/8 F1554 OR TYPE A307 GALVANIZED THREADED ROD W/ 5" MIN. EMBED TO (E) CONCRETE SLAB W/SET XP EPOXY (ICC ESR-2508) X 8 (& SPECIAL INSPECTION FOR MATERIALS & INSTALLATION) GRADE 18" MIN BELOW GRADE 8" MIN. TOTAL WEIGHT ON THE SLAB: 6,835 lbs EACH WAY, 4" FROM BOTTOM OF SLAB 8,599 lbs (N) GROWATT BATTERY CONCRETE (N) 5 ft x 3.5 ft CONCRETE PAD HILTI KWIK BOLT TX2-SS, 5/8" Ø NOM. EMBED. OF 3.750" EFF. EMBED. OF 3.25" (1) PER SECTION, (4) TOTAL NATIVE SOIL #4 REBAR @ 12" O.C. 6.02" 2500 PSI CONCRETE#4 GR 60 REBAR @ 12" O.C. EACH WAY, 4" FROM BOTTOM OF SLAB BATTERY IS MOUNTED TO (N) CONCRETE PAD WITH [x4] HILTI KWIK BOLT 1/2" DIA. CONCRETE ANCHORS, 5" EMBEDMENT (1) PER SECTION, (4) TOTAL 8" Exp. 3-31-19 No. C58724 NITRAMW.DYO REGISTEREDPROFESSIONALENGINEER C V L FOETATS ALIFORNIAICIL ­2187 X X XX X XX X SOLARK BATTERIES SOLARK BATTERIES (4) ANCHORS PER STACK(4) ANCHORS PER STACK, CONNECTED DIRECTLY TO (E) CONCRETE FOUNDATION 2'-0'' #4 GR 60 REBAR @ 12" O.C. EACH WAY, 4" FROM BOTTOM OF SLAB (E) CONCRETE FOUNDATION ESS ANCHORAGE DETAIL 3.25" EFFECTIVE Loads on the Concrete Pad: P = 4,190 LBS Bearing Pressure = Load / Area Bearing Pressure = 4,190 LBS / ( 9'-11" x 8'-8") Bearing Pressure = 48.75 psf < 1,500 psf OK OK. Use 9'-11" x 8'-8" x 12" thick concrete pad supporting the Battery (F'c = 2,500 psi), with #4 Gr 60 rebars @ 12" O.C. each way GENERATOR ENCLOSURE Exp. 3-31-15 No. C58724 NITRAMW.DYO REGISTEREDPROFESSIONALENGINEER C V L FOETATS ALIFORNIAICIL www. Loyd W Martin .com Solar Structures Engineering #2013-417 Structural Only Check attachment of Support to Concrete Pad for Seismic Load Loading Diagram 1' ­ 8 " Angle = 15° max R2y R2x 1'­4"4'­4" 1' ­ 1 0 " 1'­4" F x (1.71') + R1y (2.25') = Fy (0.76') Moment at support 2 = 0 R1y F y =R1y + R2y R2y = 402 lbs = 1,298 lbs F x =R1x + R2x P =2 ( R1x ) R1x ;R1x = R2x =Fx / 2 =226 lbs / 2 =113 lbs Sht # 3 of 4 [EQ'N 11.7­1 ASCE 7­05]1.96' 3.92' 9924 Universal Boulevard #224­406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Loyd W. Martin Professional Engineer, Inc. 2017­3507 Richard Scherer Solar Sakura Gardens Date: November 7, 2018 R1xR2x R2yR1y 12" 24" 12" C.G. 1. 7 ' Total Fx Total Fy R1xR2x R2yR1y 12" 24" 12" Determine Applied Loads (Consider 1 tank) F y =Weight of Equipment =2,095 lbs F x =F p F p =0.4 ap SDS WpRp / Ip [1 + 2(z/h)]x ap SDS =1.0 =(2/3) SMS ; SMS = Fa Ssx ; Fa =1.0 ; Ss =1.25 SMS = 1.25 SDS =(2/3) 1.25 =0.83 Wp =1,881 lbs Rp =2.5 [Table 13.6­1 ASCE 7-22] [Table 13.6­1 ASCE 7-22] ; Ip =1.0 ; z / h =1.0 F p =0.4 (1.0) (0.83) (2,095 lbs) (2.5 / 1)[1 + 2(1)]x F p =834.6 lbs 2017­3507 Richard Scherer Solar Sakura Gardens Date: November 13, 20182017­3507 Richard Scherer Solar Sakura Gardens Date: June 4, 2019 Hydroflex T500-5 Tank 6.5' x 6.5' x 8" Concrete Slab, F'c = 2,500 psi 8-4x4x1/4 A36 Steel Anchorage angles, min. 4" length distributed evenly around the tank perimeter 6"­6"6"­6"23 1/4"16 7/16" 2017­3507 Richard Scherer Solar Sakura Gardens Date: June 10, 20192019­4063 ElectroThermal Vista Del Mar ­ Tank Pad Date: December 4, 2019 C.G. 2. 5 ' Rbx Rcx Rdx Rby Rcy Rdy 1.9'1.4'1.4'1"1" 16"16" 6-7/8"6-7/8" (N) (4) 1/2" A CONCRETE EPOXY & PE MATERIALS 2020­2455 Solar Rite Far West Meats ­ Concrete Pad Date: October 12, 20202021­4546 HPM Solar MIL–SPEC Magnetics ­ Concrete Pad Date: March 30, 2022 Total Fx Total Fy 10' Rax Ray Rbx Rby 4.25' 2022­4994 Westech Systems Quien Sabe Cabins 2 and 9 Date: December 20, 20222023­3267 Sunrise Energy Solar Atkinson Date: June 4, 2023 35" (888 mm) Total Fx Total Fy Rax Ray Rbx Rby 23 " 2023­5174 Urban Design Solar Wayne Tilley ­ Generator Date: October 20, 20232023­5201 High Line Designs Clinicas del Camino Real ­ BESS Date: October 24, 20232023­5261 High Line Designs Rail Road Flats Store ­ BESS Date: October 25, 20232023­5649 High Line Designs Mammoth Lakes Fire Dept 1 ­ BESS Date: November 29, 20232023-5672 High Line Designs Lundy Mutual Water Company Date: December 1, 20232024-0816 High Line Designs Blanchard Community Library - BESS Date: March 25, 20242024-0817 High Line Designs Kittyhawk Products Inc - BESS Date: March 25, 20242024-0817 High Line Designs Kittyhawk Products Inc - BESS Date: April 1, 20242024-3350 Barrier Vintage Gardens Date: November 29, 2024 Fpmax=1.6 SDS Ip Wp=11,420 lbs Fpmin=0.3 SDS Ip Wp=2,141 lbs Fpmin<Fp<FpmaxOK F p=3,425 lbs 2024-3689 LA Solar Andreoli Office Building January 27, 2025 8' - 1 " 4' - 0 " Rbx Rby Rax Ray Total Fx Total Fy 7' - 5 " 3' - 8 " Exp. 3-31-19 No. C58724 NITRAMW.DYO REGISTEREDPROFESSIONALENGINEER C V L FOETATS ALIFORNIAICIL ­2187 2025-0319 Six Rivers Solar Tindle February 26, 2025 2'-6" 2025-1937 Magic Solar MVAP October 29, 20252026-0084 Carlsbad Solar 3080 S Harbor Blvd February 18, 2026 Sht # 4 of 4 F x (3.9') + R1y (2.25') = Fy (0.76') Moment at support 2 = 0 R1y F y=R1y + R2y R2y = 60 lbs = 1,640 lbs F x=R1x + R2x P=2 ( R1x ) R1x ;R1x = R2x =Fx / 2=677 lbs / 2 = 339 lbs 2015­1203 Halcyon Solar Fairfield Motel 6 Date: June 11, 2015 9924 Universal Boulevard #224­406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Loyd W. Martin Professional Engineer, Inc. 2017­3507 Richard Scherer Solar Sakura Gardens Date: November 7, 20182017­3507 Richard Scherer Solar Sakura Gardens Date: November 7, 2018 Load per bolt (for withdrawal and tension): P =R1y / 2 P =388 lbs / 2 Determine allowable load per 3/4" anchor bolt w/ 5" min. into concrete pad below according to the 2012 NDS. W ' = W x Cd x Ct Table 10.3.1 2005 NDS where: W = 513 lbs / in. of embedment per Table 11.2a Cd = 1.6 per Table 2.3.2 of 2005 NDS Ct = 1.0 per Table 10.3.4 of 2005 NDS W ' = 513 lbs/ in. x 5 in. x 1.6 x 1.0 = 4,104 lbs > 194 lbs OK P =194 lbs Check for withdrawal of each bolt: Fy = R1y + R2y ; R1y = R2y = 388 lbs Summation forces Y (Assume C.G. at center) F x =R1x + R2x ;R1x = R2x = 515 lbs Check Shear Load per 5/8" Concrete Screws: Shear Strength per screw = 834.6 lbs / 4 = 209 lbs < 1,470 lbs OK OK. Use 1/2” diameter all­threaded steel rod on all 8 mounting points, with 5” embedment into concrete, as per plans to manufacturer's instructions Check Tensile Load per 5/8" Concrete Screws: Fx (3.7') ­ Ray (2.5') = 0 ΣMB =0 Fx = 834.6 lbs (Seismic Load) Ray = (834.6 lbs x 3.7') / 2.5' Simpson Set­XP Epoxy Allowable Tension Loads for Anchorage in 3,000 psi concrete 2017­3507 Richard Scherer Solar Sakura Gardens Date: November 13, 20182017­3507 Richard Scherer Solar Sakura Gardens Date: June 4, 2019 C.G. 2. 5 ' Total Fx Total Fy Rax Rbx Rcx Rdx Ray Rby Rcy Rdy 4.8' 1.9'1.4'1.4'1"1" 2017­3507 Richard Scherer Solar Sakura Gardens Date: June 10, 20192019­4063 ElectroThermal Vista Del Mar ­ Tank Pad Date: December 4, 2019 Check Tensile Load per 1/2" All-Threaded Steel Rod: ΣMD=0 Exp No. DYO REGISTEREDPRO L FOETATSC Note: Assume Outer Bolts carry all tension load due to seismic forces in tension. (Fx x 2.5 ft) - 2 bolts x 4.75 ft x Fy = 0 Fx = 1793 # (Seismic Load) Fy = (1793 # x 2.5 ft ) / (2 bolts x 4.75 ft) Fy = 471 lbs < 2181 lbs OK Use Simpson SET-XP Epoxy with Deputy Inspection with 7 inch embedment, Special Inspection Required. Use 1/2" or 5/8" diameter A307 Threaded Rod. Note: Assume Outer Bolts carry all tension load due to seismic forces in tension. Ray = 1,235 lbs / 2 sides = 350 lbs 16"16" 6-7/8"6-7/8" (N) (4) 1/2" A CONCRETE EPOXY & PE MATERIALS Total Fx Total Fy 4' Rax Ray Rbx Rby 3.4' (N) (4) 1/2" A307 ROD W/ 5" EMBED TO (E) CONCRETE SLAB W/SIMPSON SET XP EPOXY & PERIODIC INSPECTION FOR MATERIALS & INSTALLATION 2020­2455 Solar Rite Far West Meats ­ Concrete Pad Date: October 12, 20202021­4546 HPM Solar MIL–SPEC Magnetics ­ Concrete Pad Date: March 30, 2022 Ray = 617.6 lbs / 2 bolts = 309 lbs < 2,857 lbs OK (N) 8 ANGLE BRACKETS, WELDED TO THE CONTAINER, BOLTED TO THE SLAB WITH (2) 1/2" A307 ROD EACH, WITH 8 INCH EMBEDMENT, W/ SIMPSON SET XP EPOXY & PERIODIC INSPECTION FOR MATERIALS & INSTALLATION 2022­4994 Westech Systems Quien Sabe Cabins 2 and 9 Date: December 20, 2022 DIM Z COG 1028[40.5] OVERALL WIDTH 1754 [69.0] OVERALL HEIGHT 1552 [61.1] 940[37.0] AIR INTAKE Total Fx Total Fy Rax Ray Rbx Rby 33 " 2023­3267 Sunrise Energy Solar Atkinson Date: June 4, 20232023­5174 Urban Design Solar Wayne Tilley ­ Generator Date: October 20, 20232023­5201 High Line Designs Clinicas del Camino Real ­ BESS Date: October 24, 20232023­5261 High Line Designs Rail Road Flats Store ­ BESS Date: October 25, 20232023­5649 High Line Designs Mammoth Lakes Fire Dept 1 ­ BESS Date: November 29, 20232023-5672 High Line Designs Lundy Mutual Water Company Date: December 1, 20232024-0816 High Line Designs Blanchard Community Library - BESS Date: March 25, 20242024-0817 High Line Designs Kittyhawk Products Inc - BESS Date: March 25, 20242024-0817 High Line Designs Kittyhawk Products Inc - BESS Date: April 1, 20242024-3350 Barrier Vintage Gardens Date: November 29, 20242024-3689 LA Solar Andreoli Office Building January 27, 2025 Exp. 3-31-19 No. C58724 NITRAMW.DYO REGISTEREDPROFESSIONALENGINEER C V L FOETATS ALIFORNIAICIL ­2187 2025-0319 Six Rivers Solar Tindle February 26, 2025 ort to Concrete Pad for (Consider 1 tank) 8' - 1 " 4' - 0 " Rbx Rby Rax Ray Total Fx Total Fy 7' - 5 " 3' - 8 " 2'-6" USE: 2025-1937 Magic Solar MVAP October 29, 2025 3.25" EFFECTIVE 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 18, 2026 Structural Calculations for a Roof Mounted Solar Photovoltaic System for: 3080 S Harbor Blvd Santa Ana, CA 92704 Applicable Codes: 2025 California Building Code, 2025 California Electric Code, 2025 California Mechanical Code, American Society of Civil Engineers Standard ASCE 7-22 Minimum Design Loads for Buildings and Other Structures, American Wood Council 2024 National Design Specification for Wood Construction, Local Municipal Code, and all other codes which are adopted by reference or enacted by law. Assumed Design Parameters: The existing structure has been built under a building permit and is in its original condition. The existing roof structure is capable of its code required live load and the ability of the roof structure to support live loads has not been substantially reduced by the age of the structure, termites or mold, or unauthorized modifications to the existing structure. Solar Energy Contractor shall make an inspection of the existing roof framing system prior to installation of the roof mounted solar energy system to verify that the existing roof is capable of supporting minimum roof live loads. Assumed Design Parameters: All 2x members are grade Douglas Fir #2 or better All 4X members are grade Douglas Fir #1 or better All Roof Connectors are Simpson Strong-Tie or Equal All Concrete Foundations are f'c = 2500 psi or stronger Sht # 1 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Original Structure was built to the Type-V Wood Framed Standards of the Applicable Building Code at the time of Construction. Exp. 3-31-19 C L ­2187 Note to Building Official: Based upon a review of the proposed plans I am confident that the existing roof framing system is capable of safely supporting the additional loads caused by the new solar photovoltaic energy system. The contractor shall field verify that the existing roof structure is in its original permited condition and verify that it can support the normal code required roof live loads. Attached in this package are several calculations showing that the roof members can support the additional weight of the solar array. Furthermore, an analysis of the solar array's support for wind forces and a seismic analysis of the existing structure are also included. Check Existing 2X6 Roof Rafters @ 24" O.C.: w =30 psf x 2 ft. = 60 plf Total load on rafters = 60 plf x 8 ft. = 480 lbs Sht # 2 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com 8' Exp. 3-31-19 C L ­2187 Check Existing 2X6 Roof Rafters @ 24" O.C.: Snow Load =0 psf Dead Load =14 psf Live Load =16 psf WDL + LL =30 psf x 2 ft. = 60 plf WDL =14 psf x 2 ft. = 28 plf w =30 psf x 2 ft. = 60 plf Total load on rafters =( 28 plf x 8 ft ) + ( 6' x 3.75' x 3 psf x 2 ) =359 lbs < 480 lbs OK OK. Per 2025 California Existing Building Code Section 503.3 Alterations Check attachment of Support to Existing Structure for Wind Uplift CHECK SOLAR STRUCTURE ATTACHMENTS PER ASCE 7-22 WIND LOADS ON BUILDING APPURTENANCES AND OTHER STRUCTURES Section 29.4.4 THEREFORE CHECK ATTACHMENT FOR TYPICAL CRITICAL LOAD WHICH IS THE EDGE ZONE - ZONE 2. NOTE: PER DEFINITION ON SHEETS 246 & 247 OF ASCE 7-22 EFFECTIVE WIND AREA: FOR ROOFTOP SOLAR ARRAYS, THE EFFECTIVE WIND AREA IN FIG. 29.4-7 IS EQUAL TO THE TRIBUTARY AREA FOR THE STRUCTURAL ELEMENT BEING CONSIDERED, EXCEPT THAT THE WIDTH OF THE EFFECTIVE WIND AREA NEED NOT BE LESS THAN ONE-THIRD ITS LENGTH. EFFECTIVE AREA = 15 SQ FT Sht # 3 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com % CHANGE =359 lbs - 480 lbs x 100 =-25.2% < 5% OK480 lbs Exp. 3-31-19 C L ­2187 Check attachment of Support to Existing Structure for Wind Uplift - Cont'd Tributary Area to Each Solar Mount = 6 ft. x 3.75 ft. = 22.5 sq. ft. ( Max ) Calculate Design Wind Pressure at each support (Wind Speed 95 mph Exposure C): p = q h (GC p )(γ E )(γ a )Eq'n 29.4-7 ASCE 7-22 q h = 0.00256 K z K zt K d K e V 2 Eq'n 26.10-1 ASCE 7-22 Note: K z =velocity pressure coefficient Section 29.10.1 ASCE 7-22 K z =0.9 (Exposure C, Height = 20 ft or less) K zt =Topographical Factor = 1.0 K d =Wind Directionality Factor = 0.85 K e =Ground Elevation Factor = 1.0 V =95 mph q h =0.00256 (0.9) (1.0) (0.85) (1.0) (95)² q h =17.67 psf GC p =-2.0 (Zone 2 ; Effective Area = 15 sq. ft. ) γ E =Exposure Factor = 1.5 γ a =Solar Array Pressure Equalization Factor = 0.7 Fig. 29.4-8 ASCE 7-22 p = q h (GC p )(γ E )(γ a ) p = 17.67 psf (-2.0) (1.5) (0.7) = 37.1 psf Sht # 4 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Exp. 3-31-19 C L ­2187 Check attachment of Support to Existing Structure for Wind Uplift - Cont'd Nominal (Unfactored) Uplift at each support = 37.1 psf x 22.5 sq. ft. = 834.75 lbs Note: Section 2.4.1 of ASCE 7-22, Basic Load Combinations for Allowable Stress Design. Note: Applicable Load Combination #5 (D + 0.6W) Design (Factored) Uplift at each support = 0.6 x 834.75 lbs = 501 lbs Load per lag screw = 501 lbs / 2 = 250.5 lbs Determine allowable load per 1/4" lag screw w/ 2.5" embedment into wood below according to the 2024 NDS. W ' = W x Cd x Ct Table 10.3.1 2024 NDS where W = 225 lbs / in. of embedment per Table 12.2a Cd = 1.6 per Table 2.3.2 of 2024 NDS Ct = 1.0 per Table 2.3.3 of 2024 NDS W' = 225 lbs/ in. x 2.5 in. x 1.6 x 1.0 = 900 lbs > 250.5 lbs OK Sht # 5 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com OK. Only 2 screws shall be embedded into 2x framing below. The other 2 screws need to be connected to the sheathing only. Only the screws connected to the framing shall be pre-drilled. Screws connected into plywood sheathing shall NOT be pre-drilled. Install per manufacturer's instructions. Wood screws have been analyzed and determined to be sufficient for this application. Exp. 3-31-19 C L ­2187 Free Body Diagram of Reverse-tilt Sub Array Shear Reaction = (6 ft x 7.5 ft x 37.1 psf x sin 10) = 289.9 lbs (Note: Angle between Roof and Panels is 10 degrees) Allowable lateral Load at 1/4" diameter lag screw w/ 2.5" embedment Allowable Load =150 lbs x 1.6 x 2 = 480 lbs > 289.9 lbs OK Sht # 5.1 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com See plans for connection details. Exp. 3-31-19 C L ­2187 Check Seismic load due to added dead load of photovoltaic system. Determine Seismic Weight of Existing Building: Effective Existing Seismic Weight Area of (E) Building =Approximately 20,000 Sq. ft Approximate Effective =20,000 sq. ft. x 10 psf ave. = 200,000 LBS Seismic Weight DETERMINE BASE SHEAR V = Cs W EQ'N 12.8-1 ASCE 7-22 EQ'N 12.8-2 ASCE 7-22 R = THE RESPONSE MODIFICATION FACTOR IN TABLE 12.2-1 R =4 ORDINARY REINFORCED CONCRETE SHEAR WALLS Ie = 1.0 IMPORTANCE FACTOR SDS = 2/3 x SMS SMS = FA x SS SMS = 1.2 x 1.5 = 1.8 SDS = 2/3 x 1.8 = 1.2 Cs ==0.3 EQ'N 12.8-2 ASCE 7-22 Sht # 6 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Cs =SDS R Ie SDS R Ie Exp. 3-31-19 C L ­2187 EXISTING BASE SHEAR V = 0.3 x 200,000 LBS = 60,000 LBS DETERMINE NEW BASE SHEAR Determine Seismic Weight of Building with Solar Array: EXISTING SEISMIC =200,000 LBS WEIGHT NEW SOLAR ARRAY =3 PSF x 170 PANELS x 7.5' x 3.7' = 14,153 LBS NEW SEISMIC =200,000 LBS + 14,153 LBS = 214,153 LBS WEIGHT THEREFORE NEW BASE SHEAR: V = 0.3 x 214,153 = 64,246 LBS EQ'N 12.8-1 ASCE 7-22 OK. PER ASCE 7-22 SECTION 11B.4 ALTERATIONS EXISTING LATERAL FORCE RESISTING SYSTEM IS EXEMPT FROM ANALYSIS SINCE NEW SEISMIC FORCE IS LESS THAN 10% GREATER THAN EXISTING SEISMIC FORCE Sht # 7 of 7 2026-0084 Carlsbad Solar 3080 S Harbor Blvd February 19, 2026       Loyd W. Martin Professional Engineer, Inc.       9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 "Alterations may be made to any structure without requiring the existing structure to comply with this standard, provided that the alterations comply with the requirements for a new structure. Alterations that increase the seismic force in any existing structural element by more than 10% or decrease the design strength of any existing structural element to resist seismic forces by more than 10% shall not be permitted unless the entire seismic force- resisting system is determined to comply with this standard for a new structure." End of Calculations Email: loydwmartin@gmail.com www.loydwmartin.com % CHANGE =64,246 LBS - 60,000 LBS x 100 = 7.1 % < 10 % OK60,000 LBS Exp. 3-31-19 C L ­2187 SHEET NUMBER PV-1.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/23/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 COVER SHEET SHEET INDEX PV-1.0 COVER SHEET PV-2.0 SITE PLAN PV-3.0 ROOF PLAN PV-3.1 CONCRETE PAD DETAILS PV-4.0 STRING PLAN PV-5.0 ATTACHMENT DETAILS PV-6.0 ELECTRICAL LINE DIAGRAM PV-7.0 PLACARDS PV-8+SPECIFICATION SHEET GOVERNING CODES: ALL MATERIALS, EQUIPMENT, INSTALLATION AND WORK SHALL COMPLY WITH THE FOLLOWING APPLICABLE CODES: 2025 CALIFORNIA BUILDING CODE 2025 CALIFORNIA FIRE CODE 2025 CALIFORNIA ENERGY CODE 2025 CALIFORNIA ELECTRICAL CODE 2025 CALIFORNIA GREEN BUILDING STANDARD 2025 CALIFORNIA MECHANICAL CODE 2025 CALIFORNIA PLUMBING CODE ANY OTHER LOCAL AMENDMENTS STANDARD FOR ELECTRICAL SAFETY IN THE WORKFORCE - NFPA 70E 2015 UL 1703 - SOLAR MODULES UL 1741 - INVERTERS, COMBINER BOXES (UL1741SA WHERE APPLICABLE) UL 2703 - RACKING RAILS, MOUNTS AND CLAMPS FOR PV MODULES AERIAL PHOTO: SCALE: NTS1 VICINITY MAP: SCALE: NTS2 GENERAL NOTE: 1. UTILITY SHALL BE NOTIFIED BEFORE ACTIVATION OF PHOTOVOLTAIC 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 INSTALLATION DOCUMENTS PRIOR TO INITIATING CONSTRUCTION. 5. ALL EQUIPMENT AND ASSOCIATED CONNECTIONS, ETC, AND ALL ASSOCIATED WIRING AND INTERCONNECTIONS SHALL BE INSTALLED ONLY BY QUALIFIED PERSONNEL. 6. THE CONTRACTOR OR OWNER MUST PROVIDE ROOF ACCESS (LADDER TO roof) FOR ALL THE REQUIRED INSPECTIONS. LADDERS MUST BE OSHA APPROVED, MINIMUM TYPE I WITH A 250LB. RATING, IN GOOD CONDITION AND DESIGNED FOR ITS INTENDED USE. 7. CONTRACTOR SHALL VERIFY THAT THE ROOF STRUCTURE WILL WITHSTAND THE ADDITIONAL LOADS. 8. LAG SCREWS SHALL PENETRATE A MINIMUM 2" INTO SOLID SAWN STRUCTURAL MEMBERS AND SHALL NOT EXCEED MANUFACTURER RECOMMENDATIONS FOR FASTENERS INTO ENGINEERED STRUCTURAL MEMBERS. 9. 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. 10. WHERE DC CONDUCTORS ARE RUN INSIDE BUILDING, THEY SHALL BE CONTAINED 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. 11. PLUMBING AND MECHANICAL VENTS THROUGH THE ROOF SHALL NOT BE COVERED BY SOLAR MODULES- - NO BUILDING, PLUMBING OR MECHANICAL VENTS TO BE COVERED, CONSTRUCTED OR ROUTED AROUND SOLAR MODULES. 12. 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. DISCONNECTION AND OVER-CURRENT PROTECTION NOTES: 1. DISCONNECTING SWITCHES SHALL BE WIRED SUCH THAT WHEN THE SWITCH IS OPENED THE CONDUCTORS REMAINING ENERGIZED ARE CONNECTED TO THE TERMINALS MARKED "LINE SIDE' (TYPICALLY THE UPPER TERMINALS). 2. DISCONNECTS TO BE ACCESSIBLE TO QUALIFIED UTILITY PERSONNEL, BE LOCKABLE, AND BE A VISIBLE-BREAK SWITCH. 3. BOTH POSITIVE AND NEGATIVE PV CONDUCTORS ARE UNGROUNDED. THEREFORE BOTH MUST OPEN WHERE A DISCONNECT IS REQUIRED, ACCORDING TO NEC 690.13. 4. DC DISCONNECT INTEGRATED INTO ROOFTOP DC COMBINER OR INSTALLED WITHIN 6 FT, ACCORDING TO NEC 690.15 (C). 5. RAPID SHUTDOWN OF ENERGIZED CONDUCTORS BEYOND 10 FT OF PV ARRAY OR 5 FT INSIDE A BUILDING WITHIN 10 SECONDS. CONTROLLED CONDUCTORS S30V AND S240VA [NEC 690.12]. LOCATION OF LABEL ACCORDING TO AHJ. 6. ALL OCPD RATINGS AND TYPES SPECIFIED ACCORDING TO NEC 690.8, 690.9, AND 240. 7. BOTH POSITIVE AND NEGATIVE PV CONDUCTORS ARE UNGROUNDED, THEREFORE BOTH REQUIRE OVER-CURRENT PROTECTION, ACCORDING TO NEC 240.21. (SEE EXCEPTION IN NEC 690.9) 8. IF REQUIRED BY AHJ, SYSTEM WILL INCLUDE ARC-FAULT CIRCUIT PROTECTION ACCORDING TO NEC 690.11 AND UL1699B. WIRING & CONDUIT NOTES: 1. ALL CONDUIT AND WIRE WILL BE LISTED AND APPROVED FOR THEIR PURPOSE. CONDUIT AND WIRE SPECIFICATIONS ARE BASED ON MINIMUM CODE REQUIREMENTS AND ARE NOT MEANT TO LIMIT UP-SIZING. 2. ALL CONDUCTORS SIZED ACCORDING TO NEC 690.8, NEC 690.7. 3. EXPOSED UNGROUNDED PV SOURCE AND OUTPUT CIRCUITS SHAll USE WIRE 4. PV WIRE BLACK WIRE MAY BE FIELD-MARKED WHITE [NEC 200.6 (A)(6)]. 5. MODULE WIRING SHALL BE LOCATED AND SECURED UNDER THE ARRAY. 6. ACCORDING TO NEC 200.7, UNGROUNDED SYSTEMS DC CONDUCTORS COLORED OR MARKED AS FOLLOWS: ·DC POSITIVE - RED, OR OTHER COLOR EXCLUDING WHITE, GREY AND GREEN ·DC NEGATIVE - BLACK, OR OTHER COLOR EXCLUDING WHITE, GREY AND GREEN ·AC CONDUCTORS COLORED OR MARKED AS FOLLOWS: PHASE A OR L 1- BLACK PHASE B OR L2- RED, OR OTHER CONVENTION IF THREE PHASE PHASE C OR L3. BLUE, YELLOW, ORANGE', OR OTHER CONVENTION NEUTRAL- WHITE OR GREY ·IN 4-WIRE DELTA CONNECTED SYSTEMS THE PHASE WITH HIGHER VOLTAGE TO BE MARKED ORANGE [NEC 110.15]. GROUNDING NOTES: 1. GROUNDING SYSTEM COMPONENTS SHALL BE LISTED FOR THEIR PURPOSE, AND GROUNDING DEVISES EXPOSED TO THE ELEMENTS SHALL BE RATED FOR SUCH USE. 2. AS IN CONVENTIONAL PV SYSTEMS, UNGROUNDED PV SYSTEMS REQUIRE AN EQUIPMENT GROUNDING CONDUCTOR All METAL ELECTRICAL EQUIPMENT AND STRUCTURAL COMPONENTS BONDED TO GROUND, IN ACCORDANCE WITH 250.134 OR 250.136(A). ONLY THE DC CONDUCTORS ARE UNGROUNDED. 3. PV EQUIPMENT SHALL BE GROUNDED ACCORDING TO NEC 690.43 AND MINIMUM NEC TABLE 250.122. 4. METAL PARTS OF MODULE FRAMES, MODULE RACKING, AND ENCLOSURE CONSIDERED GROUNDED IN ACCORD WITH 250.134 AND 250.136(A). 5. EACH MODULE WILL BE GROUNDED USING WEEB GROUNDING CLIPS AS SHOWN IN MANUFACTURER DOCUMENTATION AND APPROVED BY THE AHJ. 6. IF WEEBS ARE NOT USED, MODULE GROUNDING LUGS MUST BE INSTALLED AT THE SPECIFIED GROUNDING LUG HOLES PER THE MANUFACTURERS' INSTALLATION REQUIREMENTS. 7. THE GROUNDING CONNECTION TO A MODULE SHALL BE ARRANGED SUCH THAT THE REMOVAL OF A MODULE DOES NOT INTERRUPT A GROUNDING CONDUCTOR TO ANOTHER MODULE 8. GROUNDING AND BONDING CONDUCTORS, IF INSULATED, SHALL BE COLORED GREEN OR MARKED GREEN IF #4 AWG OR LARGER [NEC 250.119] 9. THE GROUNDING ELECTRODE SYSTEM COMPLIES WITH NEC 690.47 AND NEC 250.50 THROUGH 250.106. IF EXISTING SYSTEM IS INACCESSIBLE, OR INADEQUATE, A GROUNDING ELECTRODE SYSTEM PROVIDED ACCORDING TO NEC 250, NEC 690.47 AND AHJ. 10. ACCORDING TO NEC 690.47 (C}(3), UNGROUNDED SYSTEMS INVERTER MAY SIZE DC GEC ACCORDING TO EGC REQUIREMENTS OF NEC 250.122. HOWEVER, DC GEC TO BE UNSPLICED OR IRREVERSIBLY SPLICED 11. IN UNGROUNDED INVERTERS, GROUND FAULT PROTECTION IS PROVIDED BY 'ISOLATION MONITOR INTERRUPTOR,' AND GROUND FAULT DETECTION PERFORMED BY 'RESIDUAL-CURRENT DETECTOR.' GROUNDING NOTES: 1. LOAD-SIDE INTERCONNECTION SHALL BE IN ACCORDANCE WITH [NEC 690.64 (B)] 2. THE SUM OF THE UTILITY OCPD AND INVERTER CONTINUOUS INPUT MAY NOT EXCEED 120% OF BUSBAR RATING [NEC 705.12(D)(2)(3)] 3. WHEN SUM OF THE PV SOURCES EQUALS >100% OF BUSBAR RATING, PV DEDICATED BACKFFED BREAKERS MUST BE LOCATED OPPOSITE END OF THE BUS FROM THE UTILITY SOURCE OCPD [NEC 705.12(0)(2)(3)]. 4. AT MULTIPLE INVERTERS OUTPUT COMBINER PANEL, TOTAL RATING OF ALL OVERCURRENT DEVICES SHALL NOT EXCEED AMPACITY OF BUSBAR. HOWEVER, THECOMBINED OVERCURRENT DEVICE MAY BE EXCLUDED ACCORDING TO NEC 705.12 (D)(2)(3)(C). 5. FEEDER TAP INTERCONECTION (LOAD SIDE) ACCORDING TO NEC 705.12 (D)(2)(1) 6. SUPPLY SIDE TAP INTERCONNECTION ACCORDING TO NEC 705.12 (A) WITH SERVICE ENTRANCE CONDUCTORS IN ACCORDANCE WITH NEC 230.42 7. BACKFEEDING BREAKER FOR UTILITY-INTERACTIVE INVERTER OUTPUT IS EXEMPT FROM ADDITIONAL FASTENING [NEC 705.12 (0)(5)]. NOTE :- CONDUIT WILL BE HIDDEN OR PAINTED TO MATCH BUILDING COMMERCIAL CONSTRUCTION DESIGN PARAMETERS ROOF MATERIAL TPO NUMBER OF LAYERS:01 ROOF FRAME:STEEL STRUCTURE NO. OF STORY 2 RISK CATEGORY II WIND EXPOSURE B GROUND SNOW LOAD 0 PSF WIND SPEED (ASCE 7-16)110 MPH HIGH TEMPERATURE 29° C LOW TEMPERATURE 4° C SCOPE OF WORK 176 MISSION SOLAR MSI10-590HN4G 590W MODULES 176 AP Smart RSD-S-PLC 2 SOL-ARK 60K-3P-480V INVERTERS 2 SOL-ARK L3-HVR-60KWH BATTERIES NEW SYSTEM NAME PLATE POWER 103.84 KW DC NEW SYSTEM AC POWER 120.00 KW AC NEW ENERGY STORAGE SYSTEM 120.00 KWH BUILDING CLASS C ZONING:M-1 (Santa Ana – Light Industrial) LOT SIZE 1.55 ACRES SPRINKLERED YES NUMBER OF STORY 2 PHOTOVOLTAIC ROOF MOUNT SYSTEM MCGUFF 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 ROOF ACCESS HATCH SHEET NUMBER PV-4.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/23/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 SOLAR MODULES PVC PIPE VENT LEGEND : FLUSH ATTIC VENT CHIMNEY STRINGS INV:#1 5 STRINGS OF 16 MODULES CONNECTED IN SERIES INV:#2 6 STRINGS OF 16 MODULES CONNECTED IN SERIES STRING PLAN 1 STRING PLAN: SCALE: 1" = 8'-0" STR. #1 STR. #2 STR. #4 STR. #6 STR. #7 STR. #8 STR. #9 STR. #10 STR. #3 STR. #5 STR. #11 UM MS B IN V IN VBAT CB BAT DC JB SU B AT S PL C (N) 200A BACKUP PANEL, 3-PHASE, 4-WIRE/ 480V D DC AC AC Switch AC Output L1 L2 L3 N G (N) J. BOX THREE PHASE INVERTER #1 SOL-ARK 60K-3P-480V [480V] WITH BUILT-IN DC DISCONNECT UL1741 CERTIFIED INVERTER 01 B DC AC AC Switch AC Output L1 L2 L3 N FUSES A C C STR.#5 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. MPPT2 MPPT1 MPPT3 MPPT4 THREE PHASE INVERTER #2 SOL-ARK 60K-3P-480V [480V] WITH BUILT-IN DC DISCONNECT UL1741 CERTIFIED INVERTER +- THREE PHASE BATTERY SOL-ARK L3-HVR-60KWH [480V] E 01 STR.#4 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. 01 STR.#3 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. 01 STR.#2 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. 0116 STR.#1 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. G (N) J. BOX 01 B.1 FUSES A.1 STR.#10 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. MPPT2 MPPT1 MPPT3 MPPT4 01 STR.#9 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. 01 STR.#8 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. 01 STR.#7 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. 0116 STR.#6 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. +- THREE PHASE BATTERY SOL-ARK L3-HVR-60KWH [480V] E (N) 3 WAY 200A TRANSFER SWITCH (N) POLARIS CONNECTORS IN CLOSED NEMA 3R BOX (N) 4/0 WIRE (N) 4/0 WIRE 100A/3P 100A/3P (N) AC DISCONNECT 480V AC / 200A RATED / 3-PHASE D 100A/3P 100A/3P (N) 200A PV LOAD CENTER (N) 200A SUB PANEL (BACK UP PANEL) 3-PHASE, 4 WIRE /480V (N) 4/0 WIRE BI-DIRECTIONAL UTILITY METER 3-PHASE,4-WIRE 480/277V , 60HzL (E) 200A/3P (E)1200A MAIN SWITCH BOARD (E) 1200A/3P C EXISTING GROUNDING ELECTRODE SYSTEM (N) BATTERY DISCONNECT 480V AC / 100A RATED / 3-PHASE E (N) BATTERY DISCONNECT 480V AC / 100A RATED / 3-PHASE 16 16 16 16 01 STR.#11 (16) MODULES IN SERIES WITH AP SMART RSD-S-PLC. 16 16 16 16 16 SHEET NUMBER PV-6.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/23/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 SYSTEM SIZE: 103.84 KW DC, 120.00 KW AC & 120.00 kWh (176)MISSION SOLAR MSI10-590HN4G 590W MODULES (02)SOL-ARK 60K-3P-480V INVERTERS (02)SOL-ARK L3-HVR-60KWH BATTERIES NOTE: ALL DC CONNECTORS TO MODULES OR INVERTERS MUST BE OF MATCHING MANUFACTURE BRAND AND STYLE. DO NOT USE COMPATIBLE’ CONNECTORS WHICH HAVE NOT BEEN UL TESTED FOR COMPATIBILITY. PERFORMANCE AND FIRE DAMAGE MAY RESULT FROM MIS-MATCHED CONNECTOR USEAGE. NOTES: 1. 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 2. PV DC SYSTEM IS UNGROUNDED. 3. PV ARRAY WILL HAVE A GROUNDING ELECTRODE SYSTEM IN COMPLIANCE WITH NEC 250.58 AND 690.47(A). 4. PV SOURCE, OUTPUT, AND INVERTER INPUT CIRCUIT WIRING METHODS SHALL COMPLY WITH NEC 690.1(G) 5. 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 6. BARE COPPER IS TRANSITIONED TO THWN-2 VIA IRREVERSIBLE CRIMP; WHEN PRESENT, THE GEC TO BE CONTINUOUS. 7. INVERTER(S) TO BE COMPLIANT WITH UL 1741 SUPPLEMENT A. 8. CONDUIT AND CONDUCTOR SPECIFICATIONS ARE BASED ON MINIMUM CODE REQUIREMENTS AND ARE NOT MEANT TO LIMIT UP-SIZING AS REQUIRED BY 9. FIELD CONDITIONS ELECTRICAL LINE DIAGRAM NOTES: 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. 5. ALL METALLIC RACEWAYS AND EQUIPMENT SHALL BE BONDED AND ELECTRICALLY CONTINUOUS. 6. WHERE SIZES OF JUNCTION BOXES, RACEWAYS, AND CONDUITS ARE NOT SPECIFIED, CONTRACTOR SHALL SIZE THEM ACCORDING TO APPLICABLE CODES. 7. 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. 8. 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. 9. FOR UNGROUNDED SYSTEMS, THE INVERTER IS EQUIPPED WITH GROUND FAULT PROTECTION AND A GFI FUSE PORT FOR GROUND FAULT INDICATION. 10. PV MODULE FRAMES SHALL BE BONDED TO RACKING RAIL OR BARE COPPER GEC/GEC PER THE MODULE MANUFACTURER'S LISTED INSTRUCTION SHEET. 11. PV MODULE RACKING RAIL SHALL BE BONDED TO BARE COPPER GEC VIA WEEB LUG, ILSCO GBL-4DBT LAY-IN LUG, OR EQUIVALENT LISTED LUG. 12. THE PHOTOVOLTAIC INVERTER WILL BE LISTED AS UL 1741 COMPLIANT. 13. RACKING AND BONDING SYSTEM TO BE UL2703 RATED. 14. ANY REQUIRED GROUNDING ELECTRODE CONDUCTOR WILL BE CONTINUOUS, EXCEPT FOR SPLICES OR JOINTS AS BUS BARS WITHIN LISTED EQUIPMENT. CONDUCTOR SCHEDULE AND CALCULATIONS TAG LOCATION DESCRIPTION CURRENT (A) #C. CARRYING CONDUCTOR WIRE SIZE WIRE TYPE CONDUCTOR RATING (A) AMBIENT TEMP (26+22 = 48°) CONDUCTOR FILL FACTOR (NEC CHAPTER-9 TABLE-5) DERATED GROUND SIZE CONDUIT TYPE CONDUIT SIZE WIRE RUN FROM MAX. CURRENT PER STRING INVERTER OUTPUT CURRENT (A) A PV ARRAY TO J-BOX 17.64 -10 PV WIRE 40 0.82 1.00 32.80 6 AWG FREE AIR N/A A.1 PV ARRAY TO J-BOX 17.64 -12 PV WIRE 40 0.82 1.00 32.80 6 AWG FREE AIR N/A B J- BOX TO INVERTER 17.64 -10 10 AWG THWN-2 40 1.00 0.50 20.00 8 AWG EMT OR PVC 1.50" B.1 J- BOX TO INVERTER 17.64 -12 10 AWG THWN-2 40 1.00 0.50 20.00 8 AWG EMT OR PVC 1.50" C INVERTER TO LOAD CENTER -72.2 4 2 AWG (CU)THWN-2 130 1.00 0.80 104.00 6 AWG EMT OR PVC 1.50" D LOAD CENTER TO MSB -144.4000 4 4/0 AWG (CU)THWN-2 260 1.00 0.80 208.00 4 AWG EMT OR PVC 3.00" E INVERTER TO BATTERY -150 2 1/0 AWG (CU)THWN-2 170 1.00 1.00 170.00 6 AWG EMT OR PVC 1.50" SOLAR MODULE SPECIFICATIONS MANUFACTURER / MODEL # VMP IMP VOC ISC Module Efficiency TEMPERATURE COEFFICIENT OF Voc MISSION SOLAR MSI10-590HN4G (590W)44.23 13.36 52.90 14.11 24.00%-0.2398%/ °C MODULE DIMENSION 89.60" L X 44.6" W X 1.2" D INVERTER SPECIFICATIONS MANUFACTURER / MODEL #QUANTITY NOMINAL OUTPUT VOLTAGE NOMINAL OUTPUT CURRENT Sol-Ark 60K-3P-480V 2 480 VAC 72.2A NOTE: 1. BATTERY ENCLOSURE TO BE CONSTRUCTED WITH A MINIMUM HEIGHT OF 6 FT AND MAXIMUM HEIGHT OF 8 FT AROUND DESIGNATED PARKING SPACE. 2. BATTERY AND INVERTER ENCLOSURE TO BE WEATHER-PROTECTED (RAIN AND SUN SHIELD), WITH HEIGHT BETWEEN 6 FT AND 8 FT. SYSTEM IS UTILITY-INTERACTIVE AND NOT INTENDED FOR STANDALONE OPERATION UNDER CEC ARTICLE 710. THE AUTOMATIC TRANSFER SWITCH IS THERE TO SERVICE THE SOLAR/BATTERY SYSTEM WITHOUT INTERRUPTING THE LOADS ON THE BACKUP LOADS PANEL. ALSO TO AUTOMATICALLY TRANSFER BACK TO THE GRID IF THE SOLAR/BATTERY SYSTEM HAS AN ISSUE OR TURNS OFF FOR ANY REASON. RAPID SHUTDOWN FUNCTIONALITY REMAINS OPERATIONAL DURING BOTH GRID-CONNECTED AND BACKUP OPERATION MODES. ACTIVATION OF THE RAPID SHUTDOWN INITIATOR DE-ENERGIZES PV CONDUCTORS PER CEC 690.12 REQUIREMENTS. ROOF ACCESS HATCH SHEET NUMBER PV-7.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/23/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 PHOTOVOLTAIC SYSTEM EQUIPPED WITH RAPID SHUTDOWN WARNING: PHOTOVOLTAIC POWER SOURCE ! WARNING ! ELECTRIC SHOCK HAZARD TERMINALS ON BOTH LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION. ! WARNING ! ELECTRIC SHOCK HAZARD THE DC CONDUCTORS OF THIS PHOTOVOLTAIC SYSTEM ARE UNGROUNDED AND MAY BE ENERGIZED. ! WARNING ! ELECTRIC SHOCK HAZARD TERMINALS ON BOTH LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION. OPERATING CURRENT: 66.80 A AC OPERATING VOLTAGE: 707.68 V AC LABEL 3 AT EACH JUCTION,COMBINER,DISCONNECT AND DEVICE WHERE ENERGIZED UNGROUNDED MAY BE EXPOSED DURING SERVICE [CEC 690.35(F)] LABEL 3 AT EACH DISCONNECTING MEANS FOR PHOTOVOLTAIC EQUIPMENT [CEC 690.17] OPERATING CURRENT: 144.40A AC OPERATING VOLTAGE: 480 V AC MAX SHORT CURRENT: 70.55A AC OPERATING VOLTAGE: 846.40 V AC PHOTOVOLTAIC AC DISCONNECT PV SYSTEM DISCONNECT FOR UTILITY OPERATION LABEL 3.1 AT POINT OF INTERCONNECTION, MEANS INV #1 & #2 [CEC 690.53] LABEL 5LABEL 4 AT POINT OF INTERCONNECTION, MARKED AT DISCONNECTING MEANS [CEC 690.54] ! CAUTION ! PHOTOVOLTAIC SYSTEM CIRCUIT IS BACKFED LABEL 6 INTERACTIVE PHOTOVOLTAIC SYSTEM CONNECTED PHOTOVOLTAIC SYSTEM DISCONNECT LOCATED SOUTH SIDE OFTHE BUILDING PLAQUE INTERACTIVE PHOTOVOLTAIC SYSTEM CONNECTED LABEL 7 AT UTILITY METER [CEC 690.56(B)] PHOTOVOLTAIC DC DISCONNECT LABEL 8 AT EACH DC DISCONNECTING MEANS [CEC 690.13(B)] LABEL 5 AT POINT OF INTERCONNECTION; LABEL, SUCH AS LABEL 7 OR LABEL 8 MUST IDENTIFY PHOTOVOLTAIC SYSTEM [CEC 705.12(B)(3)] LABEL 9 AT RAPID SHUTDOWN SWITCH [NEC 690.56(C)]. LETTERS AT LEAST 3/8 INCH; WHITE ON RED BACKGROUND; REFLECTIVE [CFC 605.11.1.1] LABEL 10 AT EXPOSED RACEWAYS, CABLE TRAYS, AND OTHER WIRING METHODS; SPACED AT MAXIMUM 10 FT SECTION OR WHERE SEPARATED BY ENCLOSURES, WALLS, PARTITIONS, CEILINGS, OR FLOORS. [CEC 690.31(G)] LETTERS AT LEAST 3/8 INCH; WHITE ON RED BACKGROUND; REFLECTIVE [CFC 605.11.1.1] UTILITY AC DISCONNECT LABEL 11 AT EACH AC DISCONNECTING MEANS [CEC 690.13(B)] ! WARNING ! POWER SOURCE OUTPUT CONNECTION - DO NOT RELOCATE THIS OVERCURRENT DEVICE LABEL 12 AT POINT OF INTERCONNECTION OVERCURRENT DEVICE [CEC 705.12(D)(7)] RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM LABEL 14 [CEC 690.56(C)(3)] TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUTDOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN ARRAY SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN SOLAR ELECTRIC PV PANELS LABEL13 [CEC 690.56(C)(1)(A)] ALL SIGNAGE MUST BE PERMANENTLY ATTACHED AND BE WEATHERE SISTANT/SUNLIGHT RESISTANT AND CANNOT BE HAND-WRITTEN PER CEC 110.21(B) PERMANENT PLAQUE OR DIRECTORY PROVIDING THE LOCATION OF THE SERVICE DISCONNECTING MEANS AND THE PHOTOVOLTAIC SYSTEM DISCONNECTING MEANS IF NOT IN THE SAME LOCATION [CEC 690.56(B)] WHERE THE PV SYSTEMS ARE REMOTELY LOCATED FROM EACH OTHER, A DIRECTORY IN ACCORDANCE WITH 705.10 SHALL BE PROVIDED AT EACH PV SYSTEM DISCONNECTING MEANS. PV SYSTEM EQUIPMENT AND DISCONNECTING MEANS SHALL NOT BE INSTALLED IN BATHROOMS [CEC 690.4(D),(E)] LABELING NOTES 1.1 LABELING REQUIREMENTS BASED ON THE 2025CALIFORNIA ELECTRICAL CODE, INTERNATIONAL FIRE CODE 605.11, OSHA STANDARD 1910.145, ANSI Z535 1.2 MATERIAL BASED ON THE REQUIREMENTS OF THE AUTHORITY HAVING JURISDICTION. 1.3 LABELS TO BE OF SUFFICIENT DURABILITY TO WITHSTAND THE ENVIRONMENT INVOLVED. 1.4 LABELS TO BE A MINIMUM LETTER HEIGHT OF 3/8”AND PERMANENTLY AFFIXED. 1.5 ALERTING WORDS TO BE COLOR CODED. “DANGER”WILL HAVE RED BACKGROUND; “WARNING” WILL HAVE ORANGE BACKGROUND; “CAUTION” WILL HAVE YELLOW BACKGROUND. [ANSI Z535] PLACARDS 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 PV ARRAY S. H A R B O R B L V D . CAUTION: MULTIPLE SOURCES OF POWER POWER TO THIS BUILDING ALSO SUPPLIED FROM THE FOLLOWING SOURCES WITH DISCONNECTS LOCATED AS SHOWN: PHOTOVOLTAIC SYSTEM EQUIPPED WITH RAPID SHUTDOWN CAUTION MULTIPLE SOURCES OF POWER LABEL 14 [CEC 690.56(C)(3)] +0%#5'1('/'4)'0%; 2.'#5'%106#%6ÄÄ IN V BA T IN V BA T DC SU B CB MS P MAIN SERVICE PANEL INVERTER AC DISCONNECT LOAD CENTER COMBINER BOX OPERATING CURRENT: 80.16 A AC OPERATING VOLTAGE: 707.68 V AC MAX SHORT CURRENT: 84.66A AC OPERATING VOLTAGE: 846.40 V AC LABEL 3.1 AT POINT OF INTERCONNECTION, MEANS INV #2 [CEC 690.53] JB AT S PL C ATS PROTECTED LOADS PANEL SHEET NUMBER PV-8.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/23/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 SPECIFICATION SHEET SHEET NUMBER PV-9.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/23/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 SPECIFICATION SHEET SHEET NUMBER PV-11.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/23/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 SPECIFICATION SHEET YES NO INSTRUCTIONS: ORAN GE COUNTY FI RE AUTHORI TY Plan Submittal Criteria COMMERCIAL projects, MULTIFAMILY RESIDENTIAL projects and RESIDENTIAL TRACT developments · Fill in the project/business address and provide a brief description of the scope of work and type of business operation that will take place. · Answer questions 1 through 10, read and initial items 11 and 12, then complete and sign the certification section. · If you answer: - “YES” to any part of questions 1 through 10, submit the type of plan indicated in italics to OCFA. · In some cases, other plan types not indicated herein may also be necessary depending on specific conditions or operations. · Visit www.ocfa.org for submittal information and locations. If you need assistance in filling out this form or have questions regarding requirements for review, please contact OCFA at 714-573-6108 or visit us at 1 Fire Authority Road, Irvine, CA 92602. Address Suite City Project Scope/Business Description 1. Construction of a new building, a new story, or increase the footprint of an existing building? Changes to roadways, curbs, or drive aisles? Addition, relocation, or modification of fire hydrants or fences/gates? Construction within 300 feet of an active or proposed oil well? Fire Master Plan (PR145) 2. Property is adjacent to a wildland area or non-irrigated native vegetation? Fire Master Plan (PR145); a Fuel Modification Plan may also be required. (PR120, PR124) 3. Located in or < 100’ from a Division of Oil, Gas, and Geothermal Resources (DOGGR) field boundary, < 300’ from an oil/gas seep, or < 1000’ from a landfill? Methane Work Plan. (PR170) 4. Installation/modification/repair of underground piping, backflow preventers, or fire department connections serving private fire hydrant/sprinkler/standpipe systems? Underground Plan. (PR470, PR475) 5. Drinking/dining/recreation/meetings/training/religious functions or other gatherings in a room > 750 sq.ft. (> 1,000 sq.ft. for training/adulteducation) or > 49 people? Healthcare/outpatient services for > 5 people who may be unable to immediately evacuate without assistance? Education for children (academic tutoring for ages 5+ is exempt unless classified as an E occupancy by the Building Official)? Adult/child daycare? 24-hour care/supervision? Incarceration or restraint? Hotel/apartment or residential facility with 3+ units and 3+ stories (3-story townhouses/rowhouses where an independent direct exit to grade is provided for dwelling are exempt)? Congregate housing/dormitories with 17+ people? High-rise structure (55+ feet to highest occupied floor level)? Architectural Plan (PR200-PR285) 6. Installation/modification of locks delaying or preventing occupants from leaving a space or requiring use of a card, button, or similar action to open a door in the direction of exit travel? Architectural, Sprinkler, and/or Alarm Plan depending on the occupancy and type of device installed (PR200-PR280, PR420-PR425, PR500-PR520) 7. Installation/modification/use of spray booths; dust collection; dry cleaning; industrial ovens/drying equipment; industrial/commercial refrigeration systems; compressed gasses; tanks for cryogenic or flammable/combustible liquids; vapor recovery; smoke control; battery back-up/charging systems (> 50 gal. electrolyte, > 1,000 lb. lithium ion); welding/brazing/soldering, open flame torches, cutting/grinding; or other similar operations? Special Equipment Plan (PR315, PR340-PR382) 8. Storage/use/research with flammable/combustible liquids or other chemicals? Motor vehicle/aircraft maintenance/repair? Cabinetry/woodworking/finishing facility? Chem Class & floor plan (full architectural plan if H occupancy); Special Equipment Plans may be necessary. (PR315-PR360, PR232-PR240) 9. Storage or merchandizing areas in excess of 500 sq. ft. where items are located higher than 12’ (6’ for high-hazard commodities, plastic, rubber, foam, etc.)? High-piled Storage Plan (PR330) 10. Cooking under a Type I commercial hood; installation or modification of a fire extinguishing system located in a commercial cooking hood? Hood & Duct Extinguishing System, not just the hood mechanical plan. (PR335) Initial each of the following two items indicating that you have read and understand the statement: 11. *Sprinklers/Alarms: Consult Building/Fire Codes and ordinances to determine sprinkler/alarm requirements; if a system is required, plans shall be submitted for OCFA review. Existing buildings undergoing remodel must be evaluated by a licensed Initials contractor to determine if modification is needed; if so, contractor shall submit plans prior to making modifications. 12. Fire Hazard Severity Zone: Consult maps available at building department or on OCFA website to determine if your site is located in a FHSZ. Buildings in a FHSZ may be subject to special construction requirements detailed in CBC Chapter 7A or CRC R327— Initials the building department will determine specific requirements. I certify under penalty of perjury under the laws of the State of California that the above is true: Print Name Signature Phone Number ( ) Date / / Building Department: If you have verified that all of the questions have been answered accurately as “NO”, and the project does not otherwise require OCFA review of sprinkler or alarm plans*, then you may accept this signed form as a written release that OCFA review is not required. Should you still require that the applicant have plans approved by OCFA, please initial here or attach an OCFA referral form and have the applicant submit the form along with the appropriate plans and fees for OCFA review. 10-08-14 EE COM O R A N G E C O U N T Y F I R E A U T H O R I T Y Plan Referral Form Required for OCFA to review plans upon the request of the Building Department when the answers on the Plan Submittal Criteria Form (on the reverse) are all “No”. City / County Official Requesting Review: City / County Reference #: Date: __________________________________ City / County: _____________________________________ E-Mail: __________________________________ Contact Name: _____________________________________ Phone #: _________________________________ Title: _____________________________________ ** Have the applicant complete and sign the OCFA Plan Submittal Criteria Form on the reverse of this form. ** Reason(s) for Review: Please describe why OCFA Plan Review is or may be required by the City/County : OCFA COMMENTS:  No further action required on this specific plan type, based on information provided on: ____/______/______.  Project to be taken in for OCFA Review. Other: Name: _________________________________________ Contact #: ______________________________________ Date: _________________________________ OCFA Authorization Updated: 06/02/2020 rs SHEET NUMBER PV-1.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/25/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 COVER SHEET GOVERNING CODES: ALL MATERIALS, EQUIPMENT, INSTALLATION AND WORK SHALL COMPLY WITH THE FOLLOWING APPLICABLE CODES: 2025 CALIFORNIA BUILDING CODE 2025 CALIFORNIA FIRE CODE 2025 CALIFORNIA ENERGY CODE 2025 CALIFORNIA ELECTRICAL CODE 2025 CALIFORNIA GREEN BUILDING STANDARD 2025 CALIFORNIA MECHANICAL CODE 2025 CALIFORNIA PLUMBING CODE ANY OTHER LOCAL AMENDMENTS STANDARD FOR ELECTRICAL SAFETY IN THE WORKFORCE - NFPA 70E 2015 UL 1703 - SOLAR MODULES UL 1741 - INVERTERS, COMBINER BOXES (UL1741SA WHERE APPLICABLE) UL 2703 - RACKING RAILS, MOUNTS AND CLAMPS FOR PV MODULES AERIAL PHOTO: SCALE: NTS1 VICINITY MAP: SCALE: NTS2 GENERAL NOTE: 1. UTILITY SHALL BE NOTIFIED BEFORE ACTIVATION OF PHOTOVOLTAIC 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 INSTALLATION DOCUMENTS PRIOR TO INITIATING CONSTRUCTION. 5. ALL EQUIPMENT AND ASSOCIATED CONNECTIONS, ETC, AND ALL ASSOCIATED WIRING AND INTERCONNECTIONS SHALL BE INSTALLED ONLY BY QUALIFIED PERSONNEL. 6. THE CONTRACTOR OR OWNER MUST PROVIDE ROOF ACCESS (LADDER TO roof) FOR ALL THE REQUIRED INSPECTIONS. LADDERS MUST BE OSHA APPROVED, MINIMUM TYPE I WITH A 250LB. RATING, IN GOOD CONDITION AND DESIGNED FOR ITS INTENDED USE. 7. CONTRACTOR SHALL VERIFY THAT THE ROOF STRUCTURE WILL WITHSTAND THE ADDITIONAL LOADS. 8. LAG SCREWS SHALL PENETRATE A MINIMUM 2" INTO SOLID SAWN STRUCTURAL MEMBERS AND SHALL NOT EXCEED MANUFACTURER RECOMMENDATIONS FOR FASTENERS INTO ENGINEERED STRUCTURAL MEMBERS. 9. 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. 10. WHERE DC CONDUCTORS ARE RUN INSIDE BUILDING, THEY SHALL BE CONTAINED 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. 11. PLUMBING AND MECHANICAL VENTS THROUGH THE ROOF SHALL NOT BE COVERED BY SOLAR MODULES- - NO BUILDING, PLUMBING OR MECHANICAL VENTS TO BE COVERED, CONSTRUCTED OR ROUTED AROUND SOLAR MODULES. 12. 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. DISCONNECTION AND OVER-CURRENT PROTECTION NOTES: 1. DISCONNECTING SWITCHES SHALL BE WIRED SUCH THAT WHEN THE SWITCH IS OPENED THE CONDUCTORS REMAINING ENERGIZED ARE CONNECTED TO THE TERMINALS MARKED "LINE SIDE' (TYPICALLY THE UPPER TERMINALS). 2. DISCONNECTS TO BE ACCESSIBLE TO QUALIFIED UTILITY PERSONNEL, BE LOCKABLE, AND BE A VISIBLE-BREAK SWITCH. 3. BOTH POSITIVE AND NEGATIVE PV CONDUCTORS ARE UNGROUNDED. THEREFORE BOTH MUST OPEN WHERE A DISCONNECT IS REQUIRED, ACCORDING TO NEC 690.13. 4. DC DISCONNECT INTEGRATED INTO ROOFTOP DC COMBINER OR INSTALLED WITHIN 6 FT, ACCORDING TO NEC 690.15 (C). 5. RAPID SHUTDOWN OF ENERGIZED CONDUCTORS BEYOND 10 FT OF PV ARRAY OR 5 FT INSIDE A BUILDING WITHIN 10 SECONDS. CONTROLLED CONDUCTORS S30V AND S240VA [NEC 690.12]. LOCATION OF LABEL ACCORDING TO AHJ. 6. ALL OCPD RATINGS AND TYPES SPECIFIED ACCORDING TO NEC 690.8, 690.9, AND 240. 7. BOTH POSITIVE AND NEGATIVE PV CONDUCTORS ARE UNGROUNDED, THEREFORE BOTH REQUIRE OVER-CURRENT PROTECTION, ACCORDING TO NEC 240.21. (SEE EXCEPTION IN NEC 690.9) 8. IF REQUIRED BY AHJ, SYSTEM WILL INCLUDE ARC-FAULT CIRCUIT PROTECTION ACCORDING TO NEC 690.11 AND UL1699B. WIRING & CONDUIT NOTES: 1. ALL CONDUIT AND WIRE WILL BE LISTED AND APPROVED FOR THEIR PURPOSE. CONDUIT AND WIRE SPECIFICATIONS ARE BASED ON MINIMUM CODE REQUIREMENTS AND ARE NOT MEANT TO LIMIT UP-SIZING. 2. ALL CONDUCTORS SIZED ACCORDING TO NEC 690.8, NEC 690.7. 3. EXPOSED UNGROUNDED PV SOURCE AND OUTPUT CIRCUITS SHAll USE WIRE 4. PV WIRE BLACK WIRE MAY BE FIELD-MARKED WHITE [NEC 200.6 (A)(6)]. 5. MODULE WIRING SHALL BE LOCATED AND SECURED UNDER THE ARRAY. 6. ACCORDING TO NEC 200.7, UNGROUNDED SYSTEMS DC CONDUCTORS COLORED OR MARKED AS FOLLOWS: ·DC POSITIVE - RED, OR OTHER COLOR EXCLUDING WHITE, GREY AND GREEN ·DC NEGATIVE - BLACK, OR OTHER COLOR EXCLUDING WHITE, GREY AND GREEN ·AC CONDUCTORS COLORED OR MARKED AS FOLLOWS: PHASE A OR L 1- BLACK PHASE B OR L2- RED, OR OTHER CONVENTION IF THREE PHASE PHASE C OR L3. BLUE, YELLOW, ORANGE', OR OTHER CONVENTION NEUTRAL- WHITE OR GREY ·IN 4-WIRE DELTA CONNECTED SYSTEMS THE PHASE WITH HIGHER VOLTAGE TO BE MARKED ORANGE [NEC 110.15]. GROUNDING NOTES: 1. GROUNDING SYSTEM COMPONENTS SHALL BE LISTED FOR THEIR PURPOSE, AND GROUNDING DEVISES EXPOSED TO THE ELEMENTS SHALL BE RATED FOR SUCH USE. 2. AS IN CONVENTIONAL PV SYSTEMS, UNGROUNDED PV SYSTEMS REQUIRE AN EQUIPMENT GROUNDING CONDUCTOR All METAL ELECTRICAL EQUIPMENT AND STRUCTURAL COMPONENTS BONDED TO GROUND, IN ACCORDANCE WITH 250.134 OR 250.136(A). ONLY THE DC CONDUCTORS ARE UNGROUNDED. 3. PV EQUIPMENT SHALL BE GROUNDED ACCORDING TO NEC 690.43 AND MINIMUM NEC TABLE 250.122. 4. METAL PARTS OF MODULE FRAMES, MODULE RACKING, AND ENCLOSURE CONSIDERED GROUNDED IN ACCORD WITH 250.134 AND 250.136(A). 5. EACH MODULE WILL BE GROUNDED USING WEEB GROUNDING CLIPS AS SHOWN IN MANUFACTURER DOCUMENTATION AND APPROVED BY THE AHJ. 6. IF WEEBS ARE NOT USED, MODULE GROUNDING LUGS MUST BE INSTALLED AT THE SPECIFIED GROUNDING LUG HOLES PER THE MANUFACTURERS' INSTALLATION REQUIREMENTS. 7. THE GROUNDING CONNECTION TO A MODULE SHALL BE ARRANGED SUCH THAT THE REMOVAL OF A MODULE DOES NOT INTERRUPT A GROUNDING CONDUCTOR TO ANOTHER MODULE 8. GROUNDING AND BONDING CONDUCTORS, IF INSULATED, SHALL BE COLORED GREEN OR MARKED GREEN IF #4 AWG OR LARGER [NEC 250.119] 9. THE GROUNDING ELECTRODE SYSTEM COMPLIES WITH NEC 690.47 AND NEC 250.50 THROUGH 250.106. IF EXISTING SYSTEM IS INACCESSIBLE, OR INADEQUATE, A GROUNDING ELECTRODE SYSTEM PROVIDED ACCORDING TO NEC 250, NEC 690.47 AND AHJ. 10. ACCORDING TO NEC 690.47 (C}(3), UNGROUNDED SYSTEMS INVERTER MAY SIZE DC GEC ACCORDING TO EGC REQUIREMENTS OF NEC 250.122. HOWEVER, DC GEC TO BE UNSPLICED OR IRREVERSIBLY SPLICED 11. IN UNGROUNDED INVERTERS, GROUND FAULT PROTECTION IS PROVIDED BY 'ISOLATION MONITOR INTERRUPTOR,' AND GROUND FAULT DETECTION PERFORMED BY 'RESIDUAL-CURRENT DETECTOR.' GROUNDING NOTES: 1. LOAD-SIDE INTERCONNECTION SHALL BE IN ACCORDANCE WITH [NEC 690.64 (B)] 2. THE SUM OF THE UTILITY OCPD AND INVERTER CONTINUOUS INPUT MAY NOT EXCEED 120% OF BUSBAR RATING [NEC 705.12(D)(2)(3)] 3. WHEN SUM OF THE PV SOURCES EQUALS >100% OF BUSBAR RATING, PV DEDICATED BACKFFED BREAKERS MUST BE LOCATED OPPOSITE END OF THE BUS FROM THE UTILITY SOURCE OCPD [NEC 705.12(0)(2)(3)]. 4. AT MULTIPLE INVERTERS OUTPUT COMBINER PANEL, TOTAL RATING OF ALL OVERCURRENT DEVICES SHALL NOT EXCEED AMPACITY OF BUSBAR. HOWEVER, THECOMBINED OVERCURRENT DEVICE MAY BE EXCLUDED ACCORDING TO NEC 705.12 (D)(2)(3)(C). 5. FEEDER TAP INTERCONECTION (LOAD SIDE) ACCORDING TO NEC 705.12 (D)(2)(1) 6. SUPPLY SIDE TAP INTERCONNECTION ACCORDING TO NEC 705.12 (A) WITH SERVICE ENTRANCE CONDUCTORS IN ACCORDANCE WITH NEC 230.42 7. BACKFEEDING BREAKER FOR UTILITY-INTERACTIVE INVERTER OUTPUT IS EXEMPT FROM ADDITIONAL FASTENING [NEC 705.12 (0)(5)]. NOTE : BATTERY AND INVERTER WEATHER PROTECTED ENCLOSURE WILL BE COMPLETED BY OTHERS AND REQUIRE A DEFERRED APPROVAL. COMMERCIAL CONSTRUCTION DESIGN PARAMETERS ROOF MATERIAL TPO NUMBER OF LAYERS:01 ROOF FRAME:STEEL STRUCTURE NO. OF STORY 2 RISK CATEGORY II WIND EXPOSURE B GROUND SNOW LOAD 0 PSF WIND SPEED (ASCE 7-22)110 MPH HIGH TEMPERATURE 29° C LOW TEMPERATURE 4° C SCOPE OF WORK 176 MISSION SOLAR MSI10-590HN4G 590W MODULES 176 AP Smart RSD-S-PLC 2 SOL-ARK 60K-3P-480V INVERTERS 2 SOL-ARK L3-HVR-60KWH BATTERIES NEW SYSTEM NAME PLATE POWER 103.84 KW DC NEW SYSTEM AC POWER 120.00 KW AC NEW ENERGY STORAGE SYSTEM 120.00 KWH BUILDING CLASS C OCCUPANCY GROUPS B TYPE OF CONSTRUCTION INDUSTRIAL WAREHOUSE ZONING:M-1 (Santa Ana – Light Industrial) LOT SIZE 1.55 ACRES SPRINKLERED YES NUMBER OF STORY 2 PHOTOVOLTAIC ROOF MOUNT SYSTEM MCGUFF 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 SHEET INDEX PV-1.0 COVER SHEET PV-2.0 SITE PLAN PV-3.0 ROOF PLAN PV-4.0 CONCRETE PAD DETAILS PV-5.0 ATTACHMENT DETAILS PV-9.0 PV ATTACHMENT SPECIFICATION SHEET PV-9.1 PV ATTACHMENT SPECIFICATION SHEET 298'-2" 22 8 ' - 8 " 272'-1" 19 7 ' - 3 " 40' - 9 " ROOF ACCESS HATCH SHEET NUMBER PV-2.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/25/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 89 . 6 0 " 44.6" DRIVEWAY LEGEND: PROPERTY LINE ROOF ACCESS POINT MSBMAIN SWITCH BOARD (176)Mission Solar MSI10-590HN4G 590W MODULES TOTAL VENT, ATTIC FAN (ROOF OBSTRUCTION) CHIMNEY SITE PLAN: SCALE: 1" = 12'-0" 1 SITE PLAN S. H A R B O R B L V D . 2 STORY BUILDING MSB Main Switch Board in Electrical Room W. GARRY AVE. BATTERY SLAB ELECTRIC ROOM/MSP ROOF ACCESS HATCH 17'-0" 7' - 0 " 8' - 0 " 2' - 0 " ( T Y P . ) 13'-11"15'-2"13'-10"13'-10"18'-2"17'-6"20'-0"20'-0"19'-6"19'-7" ROOF ACCESS HATCH 173'-0" 13 1 ' - 4 " 4'-0"4'-0" 4' - 0 " 4' - 0 " 3'-0" 1' - 0 " 3' - 6 " 2'-6" 3'-0" SHEET NUMBER PV-3.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/25/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 TOP JUNCTION BOX SOLAR MODULES PVC PIPE VENT 48" FIRE SETBACKS INTERIOR EQUIPMENT SHOWN AS DASHED MAIN SWITCH BOARD LEGEND : FLUSH ATTIC VENT CHIMNEY UTILITY METERUM MSB INV - - - - - - - - - - 3/4" EMT CONDUIT RUN JB (238)SNAPNRACK ULTRA RAIL TILT-MOUNT KIT 1. Attach clamps at 25% from edge and 50% from center of modules. 2. Junction box mounted to the rail. MODULE (176)MISSION SOLAR MSI10-590HN4G 590W MODULES Module Dimensions 89.60"x 44.6"x1.2" Module Weight 70.99 LBS (32.2 KG) MODULES AREA SQ.FT.27.75 Unit Weight of Array (PSF)2.56 AC DISCONNECTAC ARRAY AREA & ROOF AREA CALC'S Total Array Area (Sq.Ft.) Area of Roof (Plan View) Total Roof Area Covered by Array % 4892.80 22972.5 21.30 ROOF AREA (ARRAY <33% OF ROOF AREA) ALTERNATELY, BOND THE METAL PARTS OF PV EQUIPMENT TO GROUNDED METAL SUPPORTS PER CEC 690.43(B). ACTUAL ROOF CONDITIONS AND RAFTERS (OR SEAM) LOCATIONS MAY VARY. INSTALL PER MANUFACTURER(S) INSTALLATION GUIDELINES AND ENGINEERED SPANS FOR ATTACHMENTS 48 " ROOF PLAN 1 ROOF PLAN: SCALE: 1" = 8'-0" S.R.ARRAY TILT AZIMUTH PV AREA (SQ. FT) NO. OF MODULES ROOF AREA (SQ. FT) ROOF AREA COVERED BY ARRAY (%)ROOF TYPE ROOF ATTACHMENT ROOF HEIGHT FRAME PURLINS AR-01 10°180°4884.20 176 22972.5 21.26 TPO SNAPNRACK ULTRA RAIL TILT-MOUNT KIT 2-STORY STEEL 8' BETWEEN PURLINS WITH 2X6 @24" O.C. BETWEEN PURLINS JB Sol-Ark 60K-3P-480V INVERTER ARRAY DISTRIBUTION WEIGHT CALC'S NUMBER OF MODULES 176 ONE MODULE WEIGHT 70.99 LBS TOTAL MODULE (ARRAY) WEIGHT 12494.24 LBS TOTAL AP Smart RSD-S-PLC WEIGHT 147.84 LBS ULTRA RAIL TILT-MOUNT KIT 23IN 809.20 LBS ULTRA RAIL TILT-MOUNT KIT 14IN 476 LBS DOMESTIC UR-45 RAIL 172" - MILL 532.80 LBS UR-40 & UR-45 SPLICE, SILVER (USA)42.64 LBS ULTRA RAIL MID CLAMP, BLACK (USA)48.60 LBS ULTRA RAIL END CLAMP, BLACK (USA)5.12 LBS DOMESTIC OMNILUG 1.36 LBS UR-45 END CAP 6.40 LBS TOTAL SYSTEM WEIGHT 14564.20 LBS WEIGHT OF EACH ATTACHMENT POINT 18.0 LBS TOTAL ARRAY AREA 4892.80 Sq.Ft. DISTRIBUTED LOAD (PSF)0.63 LBS TOTAL ROOF AREA 22972.5 Sq.Ft. UM MS B IN V IN V BAT JB CB BAT Sol-Ark L3-HVR-60KWH BATTERY LC 200A LOAD CENTER 4' - 0 " 4' - 0 " 4'-0" ADDITIONAL RACKING IS FOR FUTURE SOLAR. 4'-0" BAT 17'-0" DC BATTERY + INVERTER WEATHER-PROTECTED ENCLOSURE (8 FT TALL) (ENCLOSURE BY OTHERS -- NOT IN PERMIT SCOPE.) AP Smart RSD-S-PLC 7' - 0 " SU B PLC PROTECTED LOADS PANEL JB AT S PL C HEAVY HEX NUT LOCK WASHER FLAT WASHER Ø5/8" ASTM F1554 GR.36 THREADED ROD EPOXIED INTO FOUNDATION W/ HILTI HIT-HY 200 V3, MIN. 3.25" EFFECTIVE EMBEDMENT, INSTALLATION & SPECIAL INSPECTION PER MANUFACTURER SPECS AND ICC ESR-4858 TYP. (E) CONCRETE FOUNDATION (3) ESS ANCHORAGE DETAIL (2) POST-INSTALLED ANCHORS (4) ANCHORS PER STACK CONNECTED DIRECTLY TO (E) CONCRETE FOUNDATION BATTERY WEIGHT 950KG & (2,095 LBS) SHEET NUMBER PV-4.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/25/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 CONCRETE PAD DETAILS SHEET NUMBER PV-5.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/25/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 ATTACHMENT DETAILS ATTACHMENT DETAIL PV-5.0 SCALE - NTS 1 ENLARGED VIEW PV-5.0 SCALE - NTS 2 PV MODULE (E)TPO ROOF SNAPNRACK END/MID CLAMP PV MODULES SNAPNRACK, 232-10095-USA, UR-45 RAIL, 172 RACKING SYSTEM SEE (2/PV-5) FOR ENLARGED VIEW SNAPNRACK ULTRA RAIL TILT-MOUNT KIT (E)TPO ROOF SNAPNRACK ULTRA RAIL TILT-MOUNT KIT 2"X 6" PURLINS @ 24" O.C. 2 OF THE 6 SCREWS ARE FIXED TO THE FRAMING BELOW AND ONLY 4 SCREWS SHALL BE ON THE SHEATHING. SNAPNRACK, OMNIBASE NUT, FLANGE, SERRATED, 5-16"-18, SS END/MID CLAMP 10 ° 1' - 5 " 7" 5" 1' - 8 " SHEET NUMBER PV-9.0 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/25/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 PV ATTACHMENT SPECIFICATION SHEET SHEET NUMBER PV-9.1 NEW GRID - TIED SYSTEM 103.84 kW DATE: 5/25/2026 DRAWN BY: MCGUFF APN: 415-021-15 Utility: SDGE AHJ: CITY OF SANTA ANA 3080 S. HARBOR BLVD. SANTA ANA, CA 92704 CARLSBAD SOLAR CORPORATION 3525 HIGHLAND DR. CARLSBAD, CA 92008 PHONE: 760-826-9226 CSLB #1023872 PV ATTACHMENT SPECIFICATION SHEET