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Home My WebLink AboutINSTALLATION MOUNTED SOLAR PV SYSTEMGodwin Engineering and Design, LLC 8378 Foxtail Loop Pensacola, FL 32526 D. Chad Godwin, PE Chad@godwineng.com R-1 # Modules (29) Pitch: 25° Azimuth: 180° 6'-2" 3'-5" FRONT OF HOUSE R-1 12/10/2021 FL . . 7300 Bryan Dairy Rd STE 400 Seminole, FL 33777 727-571-4141 1st Responder Access minimum of 36" unobstructed as per Section R324 of the 2018 IRC Customer Info: S-1 Date: Drawn by: Revised by: Rev #: 00 Rev Date: Page: Represents all Fire Clearance including Alternative methods Utility Meter Meets the requirements of the following- (2020 FL Residential Code & FBC, 7th Edition (2018 International Residential Code) - 2nd Printing modified by the FL Building Standards, 2020 Florida Building Energy Conservation Code 7th edition, County of St. Lucie Code, 2017 National Electric Code.) Legend First responder access Sheet Index S-1 Cover Sheet / Site Plan S-2 Detail E-1 One - Line E-2 Electrical Code S-1A Mounting Plan Utility Meter PV Disconnect Vent Pipe Chimney Satellite FRONT OF HOUSE N Inverter Type: PV Panel: Racking: Total Wattage: Roof Type: Wind Load: Fastener Type: Q-Rail Light S5 Protea Brackets Enphase IQ7PLUS-72-2-US (29) Q.PEAK BLK ML-G10+ 395 11,455W Metal 21 to 27 Deg Layout Subject to Change Based on Site Conditions Meets All Editions of Florida Fire Prevention Code 2020 7th Edition Compass for Aerial System meets the requirements of NFPA 70th Edition, Chapter 11.12 Install will be done to Manufacturer Spec David Harris 4801 Snail Kite Ln Fort Pierce, FL 34951 3' Access Pathway 3' Access Pathway Meets all requirements of NFPA-1 7th Edition and NFPA-101 General Notes: -Enphase IQ7PLUS-72-2-US Micro Inverters are located on roof behind each module. -First responder access maintained and from adjacent roof. -Wire run from array to connection is 40 feet. Ground Access 3' Access Pathway -COGEN Disconnect Located adjacent to Utility meter 2' Access Pathway from Gutter Godwin Engineering and Design, LLC 8378 Foxtail Loop Pensacola, FL 32526 D. Chad Godwin, PE Chad@godwineng.com 12/10/2021 FL . . 7300 Bryan Dairy Rd STE 400 Seminole, FL 33777 727-571-4141 -Roof Height 15' -Per 2020 FBC, the Roof Mounted PV System will be subject to the following design criteria: Design Wind Speed(Vult) - 160mph 3 sec gust, Exposure Category - C -Designed as per ASCE7-16 Customer Info: S-2 Date: Drawn by: Revised by: Rev #: 00 Rev Date: Page: Inverter Type: PV Panel: Racking: Total Wattage: Roof Type: Wind Load: Fastener Type: Q-Rail Light S5 Protea Brackets Enphase IQ7PLUS-72-2-US (29) Q.PEAK BLK ML-G10+ 395 11,455W Metal 21 to 27 Deg Install will be done to Manufacturer Spec David Harris 4801 Snail Kite Ln Fort Pierce, FL 34951 General Notes: - S-5 Brackets are secured to Roof using (4) 6mm x 25mm BI-Metal Self-Piercing - Subject roof has One layer. - All penetrations are sealed. Roof Section Pitch Roof Rafter and Spacing Overhang Notes: R1 6/12 2"x4" @ 24 O.C.12"Truss @ 48" O.C. in Zone 1, @ 48" O.C in Zone 2e, @ 24" O.C. in Zone 2n, @ 24" O.C. in Zone 2r, @ 24" O.C in Zone 3e, & @ 24" O.C. in Zone 3r Godwin Engineering and Design, LLC 8378 Foxtail Loop Pensacola, FL 32526 D. Chad Godwin, PE Chad@godwineng.com 12/10/2021 FL . . 7300 Bryan Dairy Rd STE 400 Seminole, FL 33777 727-571-4141 In Case of Emergency Call Sun Tec Solar Energy at 727-571-4141 Customer Info: E-1 Date: Drawn by: Revised by: Rev #: 00 Rev Date: Page: GEC NOTES - Ungrounded system per 690.41(A)(4) - GEC must be installed per 250.64 - GEC must be continuous un-spliced or irreversibly spliced from inverter to existing service ground system or continuous from the arrays to the existing service ground system. - GEC must be min #8 AWG and installed in conduit - If GEC is not in conduit, it must be #6 min Install will be done to Manufacturer Spec Including the label below David Harris 4801 Snail Kite Ln Fort Pierce, FL 34951 Inverter Type: Enphase IQ7PLUS-72-2-US PV Panel: (29) Q.PEAK BLK ML-G10+ 395 Total Wattage: 11,455W System meets the grounding requirements of NEC 690.43 All Labels & Markings for photovoltaic system will be reflective and meet all requirements for NFPA 11.12 Disconnects will be Visible, lockable, adjacent to and within 10' of utility meter Meets 11.12.2.1.5 #10 AWG THWN for Home runs (1) Line 1 (1) Line 2 Per Circuit #8 AWG THWN (1) EGC Inside @ least 3/4" Conduit (tbd on site) Photovoltaics: (29) Q.PEAK BLK ML-G10+ 395 Inverters: (29) Enphase IQ7PLUS-72-2-US Micro Inverters Circuits: (2) circuit of (10) Modules (1) circuits of (9) Modules Maximum Inverters Per 20A Circuit (13) Roof Enphase Combiner Box (1) - 20A Breaker Per Circuit #6 AWG THWN (1) Line 1 (1) Line 2 (1) Neutral #8 (1) EGC in @ least 3/4" Conduit Typically Disconnect AC Max Output Current AC Max Output Current * 1.25% Overcurrent Protection (A) No. of Current Carrying Cond Conductor Gauge (AWG) Enphase Output Ckt Per String To Overcurrent Protection Device Enphase Total Output Ckt AC Max Output Current AC Max Output Current * 1.25% Overcurrent Protection (A) No. of Current Carrying Cond Conductor Gauge (AWG) NEC LABEL NOTES: 1.THE WARNING SIGN(S) OR LABEL(S) SHALL COMPLY WITH NEC 110.21(B) 2.LABELS SHALL BE SUITABLE FOR THE ENVIRONMENT WHERE THEY ARE INSTALLED. 3.LABELS TO BE A MIN LETTER HEIGHT OF 3/8" AND PERMANENTLY AFFIXED. 4.LABELS SHALL ALSO COMPLY WITH THE SPECIFIC REQUIREMENTS OF THE AUTHORITY HAVING JURISDICTION. WARNING ELECTRIC SHOCK HAZARD DO NOT TOUCH TERMINALS. TERMINALS ON BOTH THE LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION NEMA 3R Junction Box Black - L1 Red - L2 Green - Ground Enphase IQ Trunk Cable Q-12-240 #12AWG THHN-THWN-2 UL 9703 Grounding Conductor to be bare #8 Awg #X-IQ-AM1-240 Solar Combiner Box 240V PHOTOVOLTAIC SYSTEM ! AC DISCONNECT ! RATED AC OUTPUT CURRENT: 35.09A NOMINAL OPERATING VOLTAGE: 240VAC 3 Circuits 10/15A Breaker for Envoy #6 AWG THWN (2) Hot (1) Neutral #8 AWG EGC in @ least 3/4" Conduit Typically 50A Fuses Main Service 175A 200A Bus Load side connection Per 705.12(B)(2)(3)(b) Use Matching or equivalent approved breaker if derating Busbar Rating 200 175 65 65 50 Load Side Connection Main Breaker Size Bus Rating *1.2-Main Break Size Max Allowable Load Side Load Size Breaker Size Utility PV AC Disco Manual Lockable Disconnect Located Adjacent to Utility Meter Note: -All wiring to meet the 2017 NEC and Florida electric codes. 60A Disconnect -Type of conduit to be determined on site by contractor. 60A Fused Disconnect Distribution Panel 200A 200A Bus G Load side tap M Godwin Engineering and Design, LLC 8378 Foxtail Loop Pensacola, FL 32526 D. Chad Godwin, PE Chad@godwineng.com 12/10/2021 FL . . 7300 Bryan Dairy Rd STE 400 Seminole, FL 33777 727-571-4141 In Case of Emergency Call Sun Tec Solar Energy at 727-571-4141 In Case of Emergency Call Sun Tec Solar Energy at 727-571-4141 Customer Info: E-2 Date: Drawn by: Revised by: Rev #: 00 Rev Date: Page: GEC NOTES - Ungrounded system per 690.41(A)(4) - GEC must be installed per 250.64 - GEC must be continuous un-spliced or irreversibly spliced from inverter to existing service ground system or continuous from the arrays to the existing service ground system. - GEC must be min #8 AWG and installed in conduit - If GEC is not in conduit, it must be #6 min Install will be done to Manufacturer Spec Including the label below David Harris 4801 Snail Kite Ln Fort Pierce, FL 34951 Inverter Type: Enphase IQ7PLUS-72-2-US PV Panel: (29) Q.PEAK BLK ML-G10+ 395 Total Wattage: 11,455W System meets the grounding requirements of NEC 690.43 All Labels & Markings for photovoltaic system will be reflective and meet all requirements for NFPA 11.12 Disconnects will be Visible, lockable, adjacent to and within 10' of utility meter Note: -Subject PV Systems has been designed to meet the requirments of the NEC 2017, and those set forth by the Florida Solar Energy Center Certification, Including Maximum Number of Module Strings, Maximum number of modules per string, Maximum Output, Module Manufacturer and model number, inverter manufacturer and model number, as applicable. Rapid Shutdown Built in Per Code NEC 690.12 Conductors have a min ampacity of 60 amperes Per Code NEC 230.79(D) PV AC disconnect is lockable in the open position per code NEC 705.22(7) Labels will be placed in the correct location Per Code NEC 690.56(B), 690.56(C), & 690.53 Metallic conduits, raceways or flexible metal conduit exceeding 6 feet in length are not permitted in accordance with NEC article 690.31(G). Include required label for metallic raceways and conduits to sheet E-1 per NEC article 690.31(G)(3). Add required label to sheet E-1 per NEC article 705.10. Include required label to sheet E-1 per NEC article 705.12(B) Photovoltaic AC disconnect shall be capable of being locked in the open position per NEC article 705.22(6). Photovoltaic AC Overcurrent protection shall be located within 10 feet of the point where conductors are connected to the service per NEC 705.31. 705.12(B)(3) 705.12(B)(2)(3)(b) NEC 705.10 A permanent plaque or directory, denoting the location of all electric power source disconnecting means on or in the premises, shall be installed at each service equipment location and at the location(s) of the system disconnect(s) for all electric power production sources capable of being interconnected. One sign required for each PV system. -Markings Shall Be reflective, Weather Resistant and suitable for the environment. -Markings Shall be red with white lettering with minimum 3 8" Capital Letters Disconnect means shall be provided for all disconnecting all ungrounded conductors that supply or pass through the building or structure Per Code 2017 NEC Section 225.31 & Section 225.32 In compliance with NEC 250.58, NEC 690.8, NEC 250.24, NEC250.24(D) NEC 690.31 (G)(3) NEC 690.35 E04. Construction documents specify PV system circuits installed on or in buildings include a rapid shutdown function that controls specific conductors in accordance with NEC article 690.12. E05. These construction documents specify that a label is provided with the method to initiate rapid shut down per 690.12(4). E06. Construction drawings specify buildings or structures with both utility service and a PV system, complying with NEC article 690.l2 shall have a permanent plaque or directory including the following wording: “PHOTO VOLTAIC SYSTEM EQUIPPED WITH RAPID SHUTDOWN” as per NEC article 690.56 (C). E07. Construction documents specify PV power circuit labels shall appear on every section of the wiring system that is separated by enclosures, walls, partitions, ceilings, or floors. E08. Construction documents specify all warning sign(s) or label(s) shall comply with NEC article 110.21 (B). Label warnings shall adequately warn of the hazard. Labels shall be permanently affixed to the equipment, and Labels required shall be suitable for the environment. Markings shall be placed on all DC Conduits, DC Combiners, Raceways, Enclosures, Junction Boxes, and Cable Assemblies at every 10', turns, and above and below penetrations in compliance with NFPA System is in complaince with FFPC 1:11.12 7th Edition. Smoke Detectors will be added as per FBC 553.883 Permanent sticker added to disconnect Apply to Main Disconnect Figure 690.56(C)(1)(a) Label for PV Systems that Shut down the array and the conductors leaving the array Disconnect is in compliance 230.72 Supply side disconnect adjacent to Msp Over Current Protection Device is "Next size up" Based on Inverter Maximum Continuous Output Current Rating 2017 NEC 240.4(B) All Exterior equipment is A minimum of Nema-R3 Rated All Interactive System(S) Points of interconnection with other sources shall be marked at an accesible location at the disconnecting means as a power source and with the rated ac output current and the nominal operating AC voltage. Per NEC 690.54 -A placard will be added with instructions and locations to be in compliance with 690.12, 690.56(B) and NEC 705.10 -All new equipment located adjacent to Meter on exterior wall Everything will be built to Code without all Specifics labeled on plan In compliance with 230.71 The Placard shall be permanently riveted..., and shall be made of red, weatherproof, hard plastic, with engraved white block lettering. WARNING: DUAL POWER SUPPLY SOURCES: UTILITY GRID AND PV SOLAR ELECTRIC SYSTEM WARNING: INVERTER OUTPUT CONNECTION: DO NOT RELOCATE THIS OVERCURRENT DEVICE PHOTOVOLTAIC SYSTEM EQUIPPED WITH RAPID SHUTDOWN WARNING: DEDICATED SOLAR PANEL DO NOT CONNECT ANY OTHER LOADS WARNING:PHOTOVOLTAIC POWER SOURCE SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN THE ARRAY. SOLAR ELECTRIC PV PANELS 3/8 IN MIN. TEXT 3/16 IN MIN. TEXT ! WARNING ! POWER SOURCE OUTPUT CONNECTION: DO NOT RELOCATE THIS OVERCURRENT DEVICE Plans Satisfy NEC 250.94 & NEC250.53(A)(2) Combiner box in compliance Per Code NEC 705.12 3* 20A < 125A *No other loads to be added Load side tap will be done in Main Service Panel adjacent to Utility Meter 6 65 61.1 65*.94*1=61.1 J-Box not penetrating roof Godwin Engineering and Design, LLC 8378 Foxtail Loop Pensacola, FL 32526 D. Chad Godwin, PE Chad@godwineng.com 60A Fused Disconnect S-5! Protea Mounts 14' 7' Splice Bar 15 Q-Mount Mids 4' Q-Mount Ends/End Caps Q-Mount Ground Lugs Q-Rail Light 55 52 12 12 1 3 Q.PEAK BLK ML-G10+ 395 Enphase IQ7PLUS-72-2-US 29 29 6x6 J-Box 1Enphase Combiner Box 320A Breakers 1 1 6'-2" 3'-5" R-1 # Modules (29) Pitch: 25° Azimuth: 180° L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 175A Breaker for de-rate 50A Fuses 2 40'-5" 26'-6" 36'-7" 12/10/2021 FL . . 7300 Bryan Dairy Rd STE 400 Seminole, FL 33777 727-571-4141 Customer Info: S-1A Date: Drawn by: Revised by: Rev #: 00 Rev Date: Page: Inverter Type: PV Panel: Racking: Total Wattage: Roof Type: Wind Load: Fastener Type: Q-Rail Light S5 Protea Brackets Enphase IQ7PLUS-72-2-US (29) Q.PEAK BLK ML-G10+ 395 11,455W Metal 21 to 27 Deg Install will be done to Manufacturer Spec David Harris 4801 Snail Kite Ln Fort Pierce, FL 34951 Plans satisfy zones FBC-1510.7.1 L Proposed Mounting locations Max cantilever is 24" as per manufacturer spec. Max Cantilever = Max Span * (1 3)=48"*(1 3)=24"Zone 1: Zone 2e: Zone 2n: Max cantilever is 24" as per manufacturer spec. Max Cantilever = Max Span * (1 3)=48"*(1 3)=24" Max cantilever is 8" as per manufacturer spec. Max Cantilever = Max Span * (1 3)=24"*(1 3)=8" Max cantilever is 8" as per manufacturer spec. Max Cantilever = Max Span * (1 3)=24"*(1 3)=8"Zone 2r: Zone 3e: Zone 3r: Max cantilever is 8" as per manufacturer spec. Max Cantilever = Max Span * (1 3)=24"*(1 3)=8" Max cantilever is 8" as per manufacturer spec. Max Cantilever = Max Span * (1 3)=24"*(1 3)=8" GODWIN ENGINEERING AND DESIGN, LLC 8378 Foxtail Loop, Pensacola, FL 32526 | (850)712-4219 | chad@godwineng.com December 14, 2021 To: Re: St. Lucie County Building Division2300 Virginia AvenueFt. Pierce, FL 34982 Harris – Residential PV Roof Mount Installation 4801 Snail Kite Ln. St. Petersburg, FL 34951 Plan Reviewer, This letter is regarding the installation of a new roof mounted Solar PV System on the existing residential structure at the address above. I have reviewed the attachment plan and have determined that the roof mounted PV system is in compliance with the applicable sections of the following Codes as amended and adopted by the jurisdiction: 2020 Florida Building Code 7th Edition, FBC ASCE 7 Min. Design Loads for Buildings & Other Structures Per 2020 FBC, the Roof Mounted PV system will be subject to the following design criteria: Design Wind Speed(Vult) - 160mph 3sec gust, Exposure Category – C The PV System consist of the modules, railing, and connection hardware. The system will add a dead load of approximately 3 psf to the roof. The existing roof covering is 24ga. Metal panel with min. ½” plywood decking and 2” x 4” roof trusses 24” O.C. The roofing, decking, and roof trusses are in good condition. The existing structure will be adequate for supporting the additional PV dead load and wind loads. The securement method of the PV system is to be flush mounted to the metal roof with the Q-Rail Light railing and S5 Protea Brackets. The mounts can be attached up to 48” apart in roof zones 1 & 2e, and 24” apart in roof zones 2n, 2r, 3e, & 3r. The mounts should be staggered, where possible, to allow distribution of the design loads evenly to the structure. Please see attached documents and contact me should you have any questions. Sincerely, D. Chad Godwin, PE 81360 Exp. 02/28/2023 Risk Category II Table 1.5-1 Wind Speed (asd)124 mph FRC R301.2.1.3 Basic Wind Speed (Ult)160 mph Figure 26.5-1B Effective Wind Area 21.28 ft2 26.20 Roof Angle Wind Directionality Kd 0.85 Table 26.6-1 Roof Type Gable Topographic factor Kzt 1.00 26.8 or 26.8.2 Exposure Cat.B,C, or D C Section 26.7 Ground Elevation Factor Ke 1.00 Table 26.9-1 Mean Roof Height h 15.00 ft Velocity Exposure Coefficient Kz 0.85 Table 26.10-1 Roof attachment Array Edge Factor gE 1.50 29.4.4 *Modules are considered Exposed Rafter/Truss Spacing 24 in O.C.Solar Panel Equalization Factor ga 0.67 Fig. 29.4-8 No. of Rails 2 Velocity Pressure qh 28.41 psf qh=0.00256 KzKztKdKeV2 No. of Modules - Portrait 29 Added Safety Factor 1.2 No. of Modules - Landscape 0 Allowable Pullout per mount 633.0 lbs Module Model Number 0.4h or 0.6h 6.00 ft Flat - 0.6h, Gable, Hip - 0.4h bldg. least horizontal dim (typ.)360 in 10% of least horizontal dim 3.00 ft Elevation <1000 ft Roof Zone Set Back a 3.00 ft Est. # of attachment points 55 h2 5 in Not > 10in(panel height above roof) 2h2 10 in *min distance array shall be from the roof edge, Gable Ridge, or hip ridge 29 0.25 in min gap between all panels but not > 6.7ft Wmod 49 lbs 3.45 ft d1 1.00 ft Horizontal distance orthogonal to panel edge Wmods 1407 lbs 6.17 ft d2 0.25 ft Horizontal distance from edge of one panel to the nearest edge in the next row Wmic 116 lbs 21.28 ft2 0.5h 7.50 ft *modules are considered exposed that are within 1.5Lp from roof edge WPV rail 21 lbs Wtotal 1544 lbs Ultimate Allowable AT 616.98 ft2 113.4 75.6 Eq.1 Point Load = Roof Zone psf * TA DPV 2.50 psf -84 -56.0 Eq.2 TA = (Module Length /2) * Max Span Weight/attachment 28.1 lbs Eq.3 *Max span Equation, SF = Allowable pullout / Point Load Eq.4 Max Span = Allowable Pullout / (SF * Roof Zone psf * L/2) 1 2e 2r 2n 3e 3r a) GCp - Uplift -1.5 -1.5 -2.1 -2.1 -2.1 -2.3 GCp - Down 0.5 0.5 0.5 0.5 0.5 0.5 b)Allowable Module load ratings are determined by SF = 1.5 p = qh(GCp)(gE)(γa)-40.3 -40.3 -57.4 -57.4 -57.4 -63.1 psf 29.4-7 p = qh(GCp)(gE)(γa)14.3 14.3 14.3 14.3 14.3 14.3 psf 29.4-7 Max Allowable Span 4 4 2 2 2 2 ft *notes Max Cantilever (in)16 16 8 8 8 8 Max span * 33% (in) ASCE 7-16 CHAPTER 29 WIND LOADS - Rooftop Solar Panels Minimum Design Loads - Part 1: Enclosed(Gable,Hip,Flat h<60ft, 0°<θ<45°) Notes PV Attachment - Results Total Weight Total Area Dead Load Array Width Micro/optimizer Length PV Rail Module Area PV Dead Load Module and Racking Specs # of Modules The Max span between attachment points must not exceed the rail spans provided by racking manufacture. Wind Load Paramaters 21° to 27° Q.Peak DUO ML-G10+ Roof Zones - Gable 21° to 27° 10% of least hor. Dim. Or 0.4h, whichever is smaller, but not less than either 4% of Least hor. Or 3ft. (flat roof - 0.6h) Module Dimensions, LxWxH (in) Load Rating - Snow(psf) Load Rating - Wind(psf) Wind Load Parameters - Inputs Proteabracket 74 x 41.1 x 1.26 Module load ratings