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B24-1001 - 31861 VIA MONTURACITY OF SAN JUAN CAPISTRANO BUILDING PERMIT Permit No. B24-1001 11/20/2024 ISSUED JOB VALUE NO UNITS Permit Number ISSUED BY SITE APN SITE LOT NO SITE TRACT SITE SUBDIVISION PERMIT TYPE. OCCUPANCY TYPE BUILDING SF NO STORIES AT1 666-161-02 62 9373 $ 26,500 SOLAR PANEL INSTALLA 0 2 0 JOB ADDRESS: 31861 VIA MONTURA HUGHES, LUCY ELLEN & KYLE ROSSOWNER NAME 31861 VIA MONTURAMAILING ADDRESS CITY,STATE,ZIP CONTRACTOR NAME ST. LIC EXPIRE ADDRESS CITY, ST, ZIP TENANT NAME PHONE # MAILING ADDR CITY, ST, ZIP I have carefully examined the completed permit application and do hereby certify under penalty of perjury that all information hereon including the declarations are true and correct and I further certify and agree if a permit is issued: to comply with all City, County, and State laws governing building construction, whether specified herein or not. I also agree to save, indemnify and keep harmless the City of San Juan Capistrano against all liabilities, judgments, costs and expenses which may in any way accrue against said City in consequence of the granting of this permit. Applicant's signature Owner/Contractor Print Name MONA LEE SOLAR CA LLC 5325 ELKHORN BLVD 06/30/2025 AMOUNT MECHANICAL PERMIT AMOUNT Expiration:: Every permit issued shall become invalid unless the work on the site authorized by such permit is commenced within 12 months after its issuance, or if the work authorized on the site by such permit is suspended or abandoned for a period of 12 mounths after the time the work commenced. An OSHA permit is required for excavations over 5’0” deep and demolition or construction of structures over 3 stories in height. _____Contractor:I hereby affirm that I am licensed under provisions of Chapter 9 of Division 3 of the Business and Professions Code, and my license is in full force and effect. _____Owner/Builder:I, as owner of the property, or my employees with wages as their sole compensation, will do the work and the structure is not intended or offered for sale. (Sec.7044, Business and Professions Code: the Contractor’s License Laws does not apply to and owner of property who builds or improves thereon, who does such work himself or through his employees, provided that such improvements are not intended or offered for sale. If however, the building or improvement is sold within one year of completion, the owner-builder will have the burden of proving that he did not build or improve for the purpose of sale) ______Owner/Builder:I, as owner of the property, am exclusively contracting with licensed contractors to construct the project (Sec. 7044, Business and Professions Code: The Contractor’s License Law does not apply to an owner of property who builds or improves thereon and who contracts for such projects with a contractor’s) license pursuant to the Contractor’s License Law. _______ Workers Compensation-I hereby affirm under penalty of perjury one of the following declarations:I have and will maintain workers’ compensation insurance, as required by Section 3700 of the Labor Code, for the performance of the work for which this permit is issued. My workers’ compensation insurance carrier and policy number are: Carrier__MIDWEST EMPLOYERS CASUALTY COMPANY Policy#BNUWC0162962 (This section needs to be completed if the permit is for one hundred dollars($100) or less) AMOUNTELECTRICAL PERMIT DESCRIPTION _______Exemption:I certify that in the performance of the work for which this permit is issued, I shall not employ any person in any manner so as to become subject to the workers’ compensation laws of California and agree that if I should become subject to the workers’ compensation provisions of Section 3700 of the Labor Code, I shall forthwith comply with those provisions. WARNING:FAILURE TO SECURE WORKERS’COMPENSATION COVERAGE IS UNLAWFUL, AND SHALL SUBJECT AN EMPLOYER TI CRIMINAL PENALTIES AND CIVIL FINES UP TO ONE HUNDRED THOUSDAND DOLLARS($100,000) IN ADDITION TO THE COST OF COMPENSATION, DAMAGES AS PROVIDED FOR IN SECTION 3706 OF THE LABOR CODE, INTEREST, AND ATTORNEY’S FEES. B24-1001 ELECTRICAL ISSUANCE FEE 27.24 Total Electrical 27.24 Total Plumbing Total Mechanical Total Mobile Home 1106502 , SACRAMENTO, CA 95842 SAN JUAN CAPISTRANO, CA 92675 (949) 607-9845 (781) 558-7018 PHONE PHONE Date _________________ Applicant _______________________________________ MOBILE HOME PERMIT AMOUNT 22 ROOF MOUNTED SOLAR PANELS. 7.60kW AC SYSTEM & NEW EV CHARGER PLUMBING PERMIT 01/21/2025 Date: Permit No. Applicant: Phone/E-Mail Job Location: CITY OF SAN JUAN CAPISTRANO BUILDING PERMIT FEES Account # Type Cost 01-44221 Building Permit 01-44223 Mechanical 01-44224 Plumbing 01-44225 Electrical 01-44221 Mobile Home Permit 01-44222 Grading Permit Fee 01-44231 Grading Plan Check 01-44222 On-Site Residential Permit 01-44231 On-Site Residential Plan Check Subtotal 01-44230 Bond Processing 01-44230 Building Plan Check 01-44230 Additional Plan Check 01-44230 Digital Record Fee ($1.00 per sheet) 01-44221 C & D Administrative Fee 01-44221 Special Inspection-Reinspection 01-44222 On-Site Commercial/Tract Permit Fee 01-44231 On-Site Commercial/Tract Plan Check Fee 01-44214 Geotechnical Soils Plan Review 10-44320 Ordinance 211 10-42510 Ordinance 364 01-45354 Copies @ .20 Each 90-23331 SMIP Fee 33-44370 H.O.P.E. Fee (Housing in Lieu) Other Fees TCA Fees Date Received HOA Approval Date Received School Fees Date Received Engineering Fees Date Received Water Division Fees Date Received 01-44221 01-44221 01-44240 90-23000 90-23000 TOTAL FEES PAYABLE TO CITY OF SAN JUAN CAPISTRANO Receipt # _________ Date: ______________ Cashier: _____________________________ Refundable Bond/Deposit Posted by ______Owner_____Contractor ________Type Title 24 Energy Provision (20% Permit Subtotal & Bldg Plan Check)) Title 24 ADA Fee (10% Permit Subtotal & Bldg Plan Check) Refundable Bond/Deposit Posted by ______Owner_____Contractor ________Type NPDES Permit Fee (10% Permit Subtotal) $0.00 $ 27.24 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $ 209.82 11/20/2024 $ 237.06 $0.00 $ 27.24 11/20/2024 B24-1001 MONA LEE SOLAR CA LLC 31861 VIA MONTURA 103204 (781) 558-7018 $0.00 From:Symbium Support To:Building Department Cc:lucy.ellen.hughes@gmail.com; permits@monalee.co Subject:Symbium permit submission for Expedited Residential Solar Voltaic Permit at 31861 Via Montura Date:Wednesday, October 30, 2024 3:25:10 PM [The e-mail below is from an external source. Please do not open attachments or click links from an unknown or suspicious origin.] Dear San Juan Capistrano’s Building & Safety Division, Please find attached the completed application for an Expedited Residential Solar Voltaic Permit on 31861 Via Montura submitted by contractor Permit Department. Scope of Work Summary Install 22 PV modules (9.79KW) with Tesla Inc. inverter. The estimated job value, as provided by the applicant, is $26,500. Owner Details Name. Lucy Hughes Address. 31861 Via Montura, San Juan Capistrano, CA 92675 Phone. (949) 607-9845 Email. lucy.ellen.hughes@gmail.com Contractor Details Name. Permit Department B24-1001 CSLB License. 1106502 Business License. 80466 Address. 5325 ELKHORN BLVD PMB 7028, Sacramento, CA 95842 Phone. (781) 558-7018 Email. permits@monalee.co Project Documents 31861 Via Montura plans.pdf (Complete set of Plans) 31861 Via Montura specs.pdf (Specification sheet or installation manual) symbium-inspection-checklist.pdf (Symbium inspection checklist) symbium-scope-compliance.pdf (Symbium approval document) 31861 Via Montura load calcs.pdf (Electrical load calculation) Untitled (1).pdf (Main Service Panel & Subpanel Dead Front Cover Photos) 31861 Via Montura signed contract.pdf (Signed Solar Contract with Homeowner) The permit fees have not been collected for this application by Symbium. Please invoice the applicant directly. For any questions concerning the use of Symbium to generate this application, please contact us at support@symbium.com and use the project reference: project_05a575e1-5e79-470c-a1a9-a99f40b7aaaa. Best, Symbium Team Questions? Contact us at support@symbium.com ***** Please note that email correspondence with the City of San Juan Capistrano, along with attachments, may be subject to the California Public Records Act, and therefore may be subject to disclosure unless otherwise exempt. Project Scope and Compliance Details Strikethrough indicates questions that the applicant did not respond affirmatively to. In these instances, an alternative method of compliance was specified by the applicant. Project Location 31861 Via Montura Symbium Project ID project_05a575e1-5e79-470c-a1a9-a99f40b7aaaa Rooftop Solar or Battery Storage Installation Site Ground Snow Load: 0 psf Design Wind Speed: 106 mph Extreme Annual Mean Min. Dry Bulb Temperature: 3.8 ℃ Rooftop Photovoltaic (PV) Module Manufacturer or Brand: United Renewable Energy Co., Ltd. Model: FBM445M7G-BB Number of modules being installed: 22 The PV system meets the minimum required fire class rating of the roof. Max. Power (Pmax): 445 W Max. open circuit voltage (Voc): 41.9 V Source circuit current (ISC): 13.48 Amp Max. open circuit voltage (for module): 46.09 V 1 UL-2703 fire rating: C Array mounting system is UL 2703 certified for bonding and grounding. Array mounting system uses UL 2703 grounding devices to bond separate exposed metal parts together or to the equipment grounding conductor. The solar module and mounting system is rated by the manufacturer to withstand the upward force of the local wind speed and evenly distribute load into the supporting structure at the proposed maximum spacing (validated through the UL 1703 or 61730 module rating for mechanical load rating, and UL 2703 mounting system mechanical load rating). Attachment points of the mounting system are staggered. PV array is flush-mounted, i.e. parallel to the roof. Max. distance of the PV array off the roof: 6 inches Max. spacing between adjacent attachment points: 24 inches PV system circuits on buildings meet requirements for controlled conductors in CEC 690.12. All exposed PV source circuit wiring is not smaller than 10 AWG PV wire or MFG cable All PV source circuit wiring in raceway is not smaller than 10 AWG THWN-2, XHHW-2, or RHW-2 Height of source circuit wiring above roof surface: 0.9 inches The PV system disconnecting means meets the requirements of CEC 690.13. Additional Details for Rooftop Photovoltaic (PV) Module Is there an existing PV system installed? No System size of new PV installation: 9.79 KW Total system size: 9.79 KW Weight of the PV system: 3 psf Roof Project Scope and Compliance Details 2 Slope of roof surface: 5 : 12 Additional Details for Roof Roof covering material: Concrete and clay roof tiles There are no visually apparent disallowed rafter holes, notches and truss modifications. There are no visually apparent structural decay or un-repaired fire damage. Roof sag, measured in inches, is not more than the rafter or ridge beam length in feet divided by 20. I understand that roof jack, roof covering and roof sheathing inspections will be required. Roof covering beyond the area of the array will require a separate roofing permit. Inverter Manufacturer or Brand: Tesla Inc. Model: 1538000-xx-y [240V] Inverter type: Solar string inverter Existing equipment. Is this an existing inverter?: No Rated Max. Input Voltage: 600 V Strings per inverter input: 1 Strings per inverter: 2 Max. number of modules per string: 12 How is the inverter installed? Load-side connection complying with 705.12(B) and 705.12 [2022 CEC] Compliance Analysis for SOLAR RESIDENTIAL ONLINE Application Permit Application Requirements Project Scope and Compliance Details 3 ✓ Qualified Personnel The project’s contractor must possess an active business license from the City of San Juan Capistrano and an active CSLB license with at least one of the following classifications: B - General Building Contractor C-46 - Solar Contractor C-10 - Electrical Contractor Reference: CEC 690.4 ✓ Eligible projects To qualify for an online solar permit, a project must involve installation of a PV module or an ESS unit. ✓ AC Nameplate Rating of PV Modules As per Senate Bill 379, residential rooftop PV installations that are no larger than 38.4 KW AC nameplate rating may qualify for an express permit. Reference: Senate Bill 379 ✓ Specification Sheets and Installation Manuals Specification sheets and installation manuals (if available) for all major PV system components. These uploads must include specifications for all of the following: PV modules Mounting systems Inverters Reference: CEC 690.4 Structural PV Array Mounting Requirements ✓ Weight of the PV System Project Scope and Compliance Details 4 The 4 psf average self-weight limit of a PV array, including its support components, is easily met by virtually all PV systems. Even glass-on-glass modules, including bifacial modules, fit within this distributed weight limit. This limit is similar to the weight of roof overlays, which were usually allowed automatically in 1990s and earlier Building Codes. ✓ UL-2703 Fire Rating of the PV system The PV system meets the minimum required fire class rating of the roof. Reference: CBC 1505.9 and R 902.4 ✓ Attachment Points of the Mounting System By staying within the 4 psf distributed weight for the array, the point- loading of roof framing members is negligible. When the design snow load is 10 psf or less, staggering of attachments is not necessary since the combined load of the snow and the array is still within the point loading limits of the roof members. ✓ Maximum Spacing between Adjacent Attachment Points The standard distance between attachment points for most locations in the United States is 48 inches. This allows for snow loads up to 60 psf and wind loads as high as 150 mph. For low snow load (10 psf or less) and low wind load (120 mph or less) areas, an attachment distance of 72 inches is permitted without causing excessive loading of roof framing members. Also, these rules are contingent on the distributed weight of the array being no greater than 4 psf. ✓ Maximum Distance off the Roof Roof installations of PV arrays that are not parallel (or nearly parallel) to the roof structure present unique wind and snow loading issues that may need further review by a design professional. Most residential rooftop PV arrays are mounted between 4 inches and 6 inches off the surface of the roof and are parallel, or nearly parallel to the roof surface. A system on a flat roof will be mounted at a slight angle in most cases to prevent pooling of water on the surface of the solar panels. For parallel-to-roof arrays, the distance between the roof surface and Project Scope and Compliance Details 5 underside of module needs to be limited to 10 inches to control wind uplift pressures and take advantage of the “Kopp factor”. Wind tunnel research (Stenabaugh et al, 2014) shows that this reduction factor is 0.80 or less for arrays up to 10 inches off the roof. ✓ Mechanical Load Rating This check is to ensure that the mechanical loading of the structural rails and attachments are being applied consistently with the manufacturer’s instructions and any listing requirements. The PV modules are listed to UL 1703 or UL 61730 and the manufacturer’s instructions dictate how the module is to be supported and held in place for various mounting methods. The mounting system may or may not be listed to UL 2703 for mechanical load rating. If the UL 2703 mechanical load rating is required by the manufacturer, then the installation must comply with any limitation that this load rating requires. ✓ Wood Shake Roofs PV installations on wood shake roofs are not eligible for an express solar permit. ✓ Roof is structurally sound Rafters that fail the above criteria should not be used to support solar arrays unless they are first strengthened. Excessive roof sag can indicate an originally under-designed roof, or subsequent deterioration of a correctly designed roof. Roof sag, measured in inches, is not to exceed span, measured in feet, divided by 20. This corresponds to a dead load deflection of span L/240. Per IBC, dead plus live load deflections are not to exceed L/180, and if dead load is 10 psf and live load is in the range of 12 to 20 psf, the expected original dead load design deflection is of the order of one third to one half of L/180, that is, L/360 to L/540. Hence a larger dead load deflection of L/240 could indicate problems, warranting further investigation. PV System Electrical Code Installation Requirements ✓ Grounding and bonding of array mounting system This requirement is to simplify the process of ensuring that the exposed Project Scope and Compliance Details 6 metal of a PV array is well-grounded. UL 2703 has numerous mounting system products on the market that are compatible with many of the PV modules on the market. One key aspect of these listings is that UL2703 certification for a particular mounting system is specific for the PV modules to which it has been evaluated. Generally, the specific type or family of PV module from a specific manufacturer is provided with the installation instructions to show to which PV module products the mounting system has been evaluated. Alternatively, it is possible to install a PV array mounting system that is not fully listed to UL 2703. In this case, each separate exposed metal part would need to have a UL 2703 listed bonding device attached to it for it to be bonded to adjacent metal parts 690.43 [2022 CEC] or a UL 2703 listed bonding device to connect the metal to the EGC. The only exposed metal parts not specifically required to be grounded are the roof attachments that attach the mounting system to the roof. These roof attachments and flashings are not likely to be energized and are often not exposed. The roof attachments are treated in a similar way that other mechanical fittings are treated in the CEC. The definition in Article 100 of fitting in the CEC is as follows: “Fitting. An accessory such as a locknut, bushing, or other part of a wiring system that is intended primarily to perform a mechanical rather than an electrical function.” Reference: CEC 690.43 ✓ Maximum Number of Series Strings per Inverter This requirement is to limit the number of circuits to those configurations that are common for current residential PV systems. Most string inverters today have two, three, or four separate DC inputs. By limiting the number of strings for each input to one or two, no string fusing is necessary. This greatly simplifies the installation process and keeps it consistent with current practice. By limiting the overall input to the inverter to no more than four series strings, this ensures that the conduit connected to an inverter will have no more than 8 current-carrying conductors, upon which the conductor sizing in this guide is based. If 10 - 20 current-carrying conductors are in the exposed conduit, then the conduit fill correction Project Scope and Compliance Details 7 factor is 0.5, requiring 10 AWG conductors for PV source circuit wiring in the raceway. ✓ Field Installed PV Array Wiring This requirement is to simplify PV array wiring. Residential PV system wiring can be reduced to two main categories: (a) exposed string wiring is 12 AWG PV Wire [CEC 690.31(C)(1)]; and, (b) PV source circuit wiring is 12 AWG THWN-2, XHHW-2, or RHW-2. These simple rules work for any PV system with four source circuits or less using PV modules with a rated short circuit current of no greater than 12.8 amps. Since the highest ISC for most PV modules commonly available are less than 12.8 amps, 12 AWG conductors will work for these modules regardless of location in the U.S. as long as there are no more than 9 current carrying conductors in the conduit and the conduit is at least 7/8 inches above the roof surface. For those PV modules with an ISC above 12.8 amps, 10 AWG conductors must be used. Reference: CEC 690.31(c) and CEC 310.15(b)(3)(c) ✓ Equipment is rated for the maximum DC voltage applied. This requirement addresses the need to check to make sure that all equipment that is connected together on the DC side of a PV system is properly configured to prevent equipment from having the DC voltage limits exceeded. Reference: CEC 690.7 ✓ Requirements for Controlled Conductors The 2022 CEC requires that PV system conductors on buildings be controlled to a safer condition when a rapid shutdown switch is operated. The controlled conductors outside 1 foot from the array must be shutdown to below 30 volts within 30 seconds and PV array wiring within the array be controlled to a safer condition when in rapid shutdown mode. Conductors in the array can meet the requirement by segmenting to 80 volt sections within 30 seconds or meet either of the other two requirements in 690.12(B)(2). As of 2021, a new array listing process is available called PV Project Scope and Compliance Details 8 Hazard Control (UL 3741). This new process allows array systems to be evaluated and meet the requirements with the PV array as outlined in 690.12(B)(2)(1) and 690.12(B)(2)(a) [2022 CEC]. Reference: CEC 690.12 ✓ Disconnecting Means The 2022 CEC requires that the PV system disconnecting means separates the PV system from all other systems in a building. Details in CEC 690.13(E) list the characteristics of a PV disconnect. Most commonly a PV system disconnecting means is a switch or circuit breaker. This switch or circuit breaker is marked “PV System Disconnect”, and must be installed in a readily accessible location CEC 690.13(A). Reference: CEC 690.13(a) ✓ The PV array and inverters are correctly configured for safe operation This requirement addresses the need to ensure that: Sufficient number of inverter strings, microinverters, or optimizers are available for the installed PV modules. The maximum number of PV modules that can be connected to a string inverter equals the number of inverter strings times the maxmimum number of modules per string. The maximum number of PV modules that can be connected to a microinverters equals the number of microinverters times the maximum number of modules per microinverter. The maximum number of PV modules that can be connected to optimizers equals the number of optimizers. Sufficient number of microinverter circuits are configured as needed. PV and ESS Electrical Code Interconnection Requirements ✓ Inverter Installation The inverter installation should meet the requirements of Article 705. Reference: CEC Article 705 Project Scope and Compliance Details 9 Applicant Acknowledgements The following statements have been acknowledged and agreed to by the Applicant on October 30, 2024, 3:22 PM PDT. By checking this box, I consent to Symbium’s Terms of Service and Privacy Policy. By checking this box, I consent to Symbium submitting my permit application(s) on my behalf and acknowledge that any Symbium service fees are non-refundable. I will be responsible for payment of government fees in full, for which I will receive an invoice via email from the Authority Having Jurisdiction. I understand that the applicable government office, and not Symbium, has the final authority to approve any permit applications or other material submissions. Symbium makes every effort to produce and publish the most current and accurate information possible. No warranties, express or implied, are provided for the information on Symbium's site or via its services, its use, or its interpretation. Use of Symbium's website or services indicates an understanding and acceptance of this statement. Project Scope and Compliance Details 10 Page 1 of 2 INSTRUCTIONS: •Review the electrical loads in the table below and check all that exist in the dwelling (be sure to include the proposed Level 2 EVCE and/or Photovoltaic System). •Fill in the corresponding VA (wattage) for each item checked, and then add up all the checked items to determine total wattage used. •Some wattages shown are estimates; it is always recommended to use actual values based on nameplate ratings on each appliance or motor, or consult with an electrical contractor or electrical engineer. •Provide clear photos of the dead front covers on the main service as well as all subpanels identifying the circuit and ampreage of all over-current devices. PROJECT ADDRESS: _______________________________________________________________________________ STATEMENT OF COMPLIANCE: By my signature, I attest that the information provided is true and accurate. Name of Property Owner/Applicant/Contractor: __________ Property Owner/Applicant Signature: __________________________________ (Signature of Applicant) (Date) RESIDENTIAL ELECTRICAL LOAD CALCULATION (Only for Dwelling Service Ratings of 120/240V, 225 Amps Max) City of San Juan Capistrano DeDevelopment Services Department 32400 Paseo Adelanto San Juan Capistrano, CA 92675 Phone: (949) 443-6347 Email: building@sanjuancapistrano.org www.sanjuancapistrano.org/building DF 02/14/24 Contractor: ________________________________________________________ __________ (Signature of Contractor) (Date) Note: This form is a voluntary compliance alternative and you may wish to hire a qualified individual or company to perform a thorough evaluation of your electrical service capacity in lieu of this methodology. Use of this electrical load calculation worksheet is at the user’s risk and carries no implied guarantee of accuracy. Users of this form are advised to seek professional assistance in determining the electrical ampacity of a service and busse(s). Page 2 of 2 Enter All Applicable Appliances Description of Load Volt-Amps (Watts) on Nameplate Rating Total VA (Watts) General Lighting/Power Load Required Total Square footage of building times 3 sf x 3 volt-amp Required Kitchen Small Appliance Branch Circuits (min. 2) x 1,500 volt-amps/circuit Required Laundry Circuit (min. 1) x 1,500 Volt-Amps Appliances and Equipment Except Air Conditioner(s) Microwave or 1,400 VA Trash Compactor or 1,000 VA Dishwasher or 1,500 VA Disposal or 1,000 VA Electric Oven or 2,000 VA Electric Range or 5,000 VA Induction Range or 10,000 VA Electric Clothes Dryer or 5,000 VANP = Electric Water Heater NP = Electric Heat Pump Water Heater NP = Electric Vehicle Charging Equipment NP = NP =Pool or Spa Pumps Motors or 2,000 VAea. motor Other: Other: Other: Sub-Total Volt-Amps Used (add up V-A used for everything checked) - 10,000 V-A Subtotal (A) x .40 Subtotal (B) + 10,000 V-A Subtotal (C) Heating and Air-Conditioning (Add the largest of the following): + 1. Air conditioning and cooling (100% of nameplate (NP) rating) = 2. Heat pump without supplemental heating (100% NP Rating) = 3. Heat pump with supplemental electric heat (100% NP plus 65%) = 4. Electrical space heating , 4 separate units (65% NP rating) = 5. Electrical space heating > 4 separate units (40% NP rating) = 6. Electrical thermal storage and other 100% NP rating = Total Current Demand (Volt-Amps) = Divided by 240 Volts = Amps Total Amps Required for Service Conductors and Main Panel = Rating of Existing Electrical Service or Subpanel (Amps)= Panel Upgrade Required? (YES OR NO) Rating of Proposed Main Service Panel Buss (IF YES ABOVE)= VA VA VA DF 02/14/24 7.Other: Number of Appliances or Equipment NP = NP = NP = NP = NP = NP = NP = NP = NP = NP = NP = NP = VA VA Other: Other: VA VA VA DWELLING UNIT LOAD CALCULATION BASED ON CEC ART. 220 AND ANNEX D. NP = NAME PLATE RATING Total VA (Watts) PROJECT ADDRESS: PERMIT #:B - Single Family Dwelling Load Calculation Step-by-Step Example (Optional Method) CEC 220.82 Given: Square foot area of home – 1700 square feet (sf) 1.5 kW (1,500 watts) dishwasher 10 kW range 15 kW central heat 4 kW water heater 29 amp, 240 volt air conditioning 4 kW clothes dryer Instructions: Step 1: Multiply the sf area by 3 volt-amperes (VA) per sf 1700 sf X 3 VA = 5,100 VA Step 2: Add 1,500 VA for each 2-wire, 20-amp small appliance branch circuit and the laundry circuit 1,500 VA X 3 = 4,500 VA Step 3: Add in the appliance loads at nameplate value or given on table (whichever is greater). Range 10,000 VA, Water heater 4,000 VA, Clothes dryer 4,000 VA, Dishwasher 1,500 VA Step 4: Add all appliance loads together: 5,100+ 4,500 + 10,000 + 4,000 + 4,000 + 1,500 = 29,100 VA Step 5: Subtract 10,000 VA from the total VA (this will be added back in later) 29,100 – 10,000 = 19,100 VA Step 6: Multiply the remainder (19,100 VA) times 40%. 19,100 X .40 = 7,640 VA Step 7: Add the 10,000 VA value from step 5 and the 7,640 VA from step 6 together to find the general load. 10,000 + 7,640 = 17,640 VA Step 8: Compare the heating load to the AC load and take the larger of the two loads AC load at 100% = 29 amps X 240 volts = 6,960 VA, Heat load at 65% = 15,000 VA X .65 = 9,750 VA (largest load) Step 9: Add the general load to the largest of the AC or heating load. General load (17,640 VA) + Heating load (9,750 VA) = Total load (27,390 VA) Step 10: Divide the total load in VA by the voltage 27,390 / 240 = 114 amps (114 amps would equal minimum panel capacity) DF 02/14/24 City of San Juan Capistrano Inspection Checklist Project Location 31861 Via Montura Symbium Project ID project_05a575e1-5e79-470c-a1a9-a99f40b7aaaa Scope of Work Install 22 PV modules 9.79KW General All work done in a neat and workmanlike manner. [CEC 110.12] Module manufacturer, make, model, and number of modules match the submitted plans. [CBC 107.4] DC PV modules are listed to UL 1703. AC modules are listed to UL 1703 and UL 1741. Inverters are listed to UL 1741. [CEC 690.4, CRC R324.3.1] Modules are attached to the mounting structure according to the manufacturer’s instructions and the submitted plans. [CEC 110.3(B), CRC R324.3] Roof penetrations/attachments are properly flashed/sealed. [CRC R903, R324.4.3] System operating at 80 volts or greater is protected by listed dc arc fault protection. [CEC 690.11] Rooftop-mounted PV panels and modules have the proper fire classification rating. [CRC R324.4.2] 1 Roofs with slopes greater than 2:12 have solar panel layouts with access pathways that comply with submitted roof plan. Unless otherwise approved by the fire service, the following shall apply. At least two 3-foot wide access pathways from the eave to the ridge with at least one of these pathways on the street or driveway side of the house. [CRC R324.6.1]. Panels/modules are located no higher than 18 inches from the top of the ridge where the PV array is less than 33% of the roof area or 66% of the roof area for sprinklered homes. For PV arrays greater than those allowed for an 18 inch ridge setback, a 3-foot space to the ridge is required. [CRC R324.6.2] Electrical Requirements PV Modules and Array DC modules are properly marked and labeled. [CEC 110.3, 690.51] AC modules are properly marked and labeled. [CEC 110.3, 690.52] PV modules are in good condition (i.e., no broken glass or cells, no discoloration, frames not damaged, etc.). [CEC 110.12(B)] Maximum PV voltage of 600 volts for one- and two-family dwellings. [CEC 690.7] A rapid shutdown system is installed according to the submitted plan [CEC 690.12]. Bonding and Grounding A grounding electrode system is installed. [CEC 690.47] Modules and support structures are bonded and grounded in accordance with the manufacturer’s installation instructions with products certified to UL 2703. [CEC 690.43, 110.3(B)] Properly sized equipment grounding conductor is routed with the circuit conductors. [CEC 690.45] City of San Juan Capistrano Inspection Checklist 2 Grounding electrode conductors are properly connected. [CEC 690.47] Bonding fittings are used for ferrous metal conduits enclosing grounding electrode conductors. [CEC 250.64(E)] PV Source/Output Circuit Cable Management Cables are secured by staples, cable ties, straps, hangers or similar fittings at intervals that do not exceed 4.5 feet. [CEC 334.30, 338.12(A)(3)] Cables are secured within 12 inches of each box, cabinet, conduit body or other termination. [CEC 334.30, 338.12(A)(3)] Cable closely follows the surface of the building finish or of the running boards. [CEC 690.31(G)] Conductors Exposed single conductor cables are type USE-2 or PV Wire. [CEC 690.31(C)(1)] Conduit wiring is 90°C, wet-rated type RHW-2, THWN-2, or XHHW-2. [CEC 310.15] Only solidly grounded conductors marked white or gray (only ac neutral typically) [CEC 200.6] Open conductors are supported, secured, and protected. [CEC 334.30, 338.12(A)(3)] Cables are not in contact with the roof surface. [CEC 334.30] DC conductors inside a building are in a metal raceway or MC metal- clad cable that complies with 250.118(10), or metal enclosures. [CEC 690.31(G)] Where installed across ceiling or floor joists, Flexible metal conduit (FMC) smaller than 3/4 inches or Type MC cable smaller than 1 inch in diameter, containing PV system dc circuits, shall be protected by City of San Juan Capistrano Inspection Checklist 3 guard strips. [CEC 690.31(G)(2)]. For underground conductor installations, the burial depth is appropriate and warning tape is in place. [CEC 300.5(D)(3) & Table 300.5] Aluminum is not placed in direct contact with concrete. [CEC 250.120(B), 110.11] PV system conductors and premises wiring are separated. [CEC 690.31(B)] PV system conductors are grouped and identified. [CEC 690.31(B)] Overcurrent Protection Overcurrent protection devices (OCPD) in PV system dc circuits are listed for use in PV systems. [CEC 690.9(B)] Overcurrent protection devices are provided per the submitted plans. [CEC 690.9(A)] Combiner box, where used, is listed to UL 1741. [CEC 690.4(B)] Inverter output circuit breaker is located at opposite end of bus from utility supply at load center and/or service panelboard. If panel is center-fed, inverter output circuit breaker can be at either end of busbar [CEC 705.12(B)] (not required if the sum of the inverter and utility supply circuit breakers is less than or equal to the panelboard bus rating). Electrical Connections Crimp terminals are listed and installed using a listed tool specified for use in crimping those specific crimps. [CEC 110.14] Pressure terminals are listed for the environment and tightened to manufacturer recommended torque specifications. [CEC 110.11, 110.14] Connectors are listed for the voltage of the system and have City of San Juan Capistrano Inspection Checklist 4 appropriate temperature and ampere ratings. [CEC 110.14] Twist-on wire connectors are listed for the environment (i.e., wet, damp, direct burial, etc.) and installed per manufacturer’s instructions. [CEC 110.11, 110.14, 300.5(B)] Power distribution blocks are listed. [CEC 690.4, 314.28(E)] Terminals containing more than one conductor are listed for multiple conductors. [CEC 110.14(A)] Connectors and terminals used other than class B and C stranded conductors (fine stranded conductors) are listed and identified for use with specific conductor class or classes. [CEC 110.14(A)] Connectors that are readily accessible and over 30 volts require a tool for opening. [CEC 690.33(C)] All connectors are properly installed, fully engaged, and secure. [CEC 110.3(B), 110.12] Disconnects Disconnects used in DC circuits are listed for DC circuits. [CEC 110.3] Isolation devices are installed as required for PV equipment. [CEC 690.15] Load-break equipment disconnects are installed on all inverter and charge controller input circuits greater than 30 amps. [CEC 690.15] Where connectors are used as disconnecting means, they meet the ratings of the equipment to which they are connected. [CEC 690.33(E) & 690.15] A PV system disconnecting means, according to 690.13, provides disconnection of PV conductors from other conductors in the building. [CEC 690.13 Inverters City of San Juan Capistrano Inspection Checklist 5 Point of connection is at a dedicated breaker or disconnect (no loads). [CEC 705.12(B)(1)] Where a back-fed breaker is used as a utility interconnection means, the breaker is not marked “line and load.” [CEC 705.12(B)(4)] Any required barrier is installed between the ac, dc, or data wiring. [CEC 110.3(B), 110.27] Signs and Labels All interior and exterior dc conduit, enclosures, raceways, cable assemblies, junction boxes, combiner boxes and disconnects are marked. [CEC 690.31(G)(3), 690.31(G)(4), 690.53] The markings on the conduits, raceways and cable assemblies are every 10 feet, within one foot of all turns or bends and within one foot above and below all penetrations of roof/ceiling assemblies, walls and barriers. [CEC 690.31(G)(3), 690.31(G)(4)] The markings say “WARNING: PHOTOVOLTAIC POWER SOURCE” and have 3/8-inch (9.5 mm) minimum-sized white letters on a red background. The signs are made of reflective weather resistant material. [CEC 690.31(G)(3) & (G)(4)] Marking is placed adjacent to the main service disconnect in a location clearly visible from where the disconnect is operated. [CEC 705.10] Required labels shall be permanent and suitable for the environment. The labels in Table 1 are required where applicable. Interconnection Requirements For grid-connected systems, documentation is provided to show that ESS meets utility interconnection requirements. PV system electrical interconnection point complies with the submitted plan. City of San Juan Capistrano Inspection Checklist 6 Symbium Project Id: project_05a575e1-5e79-470c-a1a9-a99f40b7aaaa Uploaded on October 30, 2024, 3:19 PM PDT