HomeMy WebLinkAboutPV ROOF MOUNT INSTALLATION REVISEDGodwin Engineering and
Design, LLC
8378 Foxtail Loop
Pensacola, FL 32526
D. Chad Godwin, PE
Chad@godwineng.com
3'-5"
5'-8"
R-1
# Modules (13)
Pitch: 18°
Azimuth: 180°
R-2
# Modules (11)
Pitch: 18°
Azimuth: 271°R-1
R-2
F
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O
N
T
O
F
H
O
U
S
E
11/20/2021
KG
1/13/2022
AZ
1331 Green Forest Ct, Ste 3
Winter Garden FL, 34787
407-926-0233
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 #: 01
Rev Date:
Page:
Represents all Fire Clearance
including Alternative methods
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 N
Inverter Type:
PV Panel:
Racking:
Total Wattage:
Roof Type:
Wind Load:
Fastener Type:
Everest
Enphase IQ7PLUS-72-2-US
(24) FAM365E7G-BB
8,760W
Composition Shingle
7 to 20 Deg
Use Sunmodo NanoMounts
F
R
O
N
T
O
F
H
O
U
S
E
Layout Subject to Change Based on Site Conditions
Meets All Editions of Florida Fire Prevention Code 2020 7th Edition
Compass for Aerial
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.
System meets the requirements of NFPA 70th Edition, Chapter 11.12 Install will be done to Manufacturer Spec
Beverly Brown-Williams
9521 Windrift Cir
Fort Pierce, FL
34945
Meets all requirements of NFPA-1 7th Edition and NFPA-101
3' Access Pathway
Ground Access Point
Ground Access Point
Ground Access Point
2' Gutter
-COGEN Disconnect
Located adjacent to
Utility meterUtility Meter
Godwin Engineering and
Design, LLC
8378 Foxtail Loop
Pensacola, FL 32526
D. Chad Godwin, PE
Chad@godwineng.com
11/20/2021
KG
1/13/2022
AZ
1331 Green Forest Ct, Ste 3
Winter Garden FL, 34787
407-926-0233
-Roof Height 25'
-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 - B
-Designed as per ASCE7-16
Customer Info:
S-2
Date:
Drawn by:
Revised by:
Rev #: 01
Rev Date:
Page:
Inverter Type:
PV Panel:
Racking:
Total Wattage:
Roof Type:
Wind Load:
Fastener Type:
Everest
Enphase IQ7PLUS-72-2-US
(24) FAM365E7G-BB
8,760W
Composition Shingle
7 to 20 Deg
Use Sunmodo NanoMounts
Install will be done to Manufacturer Spec
Beverly Brown-Williams
9521 Windrift Cir
Fort Pierce, FL
34945
General Notes:
- Sunmodo Nano Mount are secured to rafters
using 5/16" x 4.75" stainless steel Lag bolts.
- Subject roof has One layer.
- All penetrations are sealed.
Roof Section Pitch Roof Rafter and Spacing Overhang Notes:
R1-R2 4/12 2"x4" @ 24 O.C.12"Truss
3" - 4"
75 - 100 mm
@ 48" O.C. in Zone 1, @ 24" O.C in Zone 2e,
@ 24" O.C. in Zone 2r & @ 24" O.C in Zone 3
Everest Rail
Godwin Engineering and
Design, LLC
8378 Foxtail Loop
Pensacola, FL 32526
D. Chad Godwin, PE
Chad@godwineng.com
11/20/2021
KG
1/13/2022
AZ
1331 Green Forest Ct, Ste 3
Winter Garden FL, 34787
407-926-0233
In Case of Emergency Call
Florida Power Management
at 407-926-0233
60A Non-Fused Disconnect
AC Disconnect
#8 AWG THWN
(1) Line 1
(1) Line 2
(1) Neutral
#8 (1) EGC
in @ least 3/4" Conduit Typically
Customer Info:
E-1
Date:
Drawn by:
Revised by:
Rev #: 01
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
Manual Lockable Disconnect
Busbar Rating 225
150
120
120
40
Load Side Connection
Main Breaker Size
Bus Rating *1.2-Main Break Size
Max Allowable Load Side
Load Size Breaker Size
Install will be done to Manufacturer Spec
Note:
-All wiring to meet the 2017 NEC and
Florida electric codes.
60A Disconnect
-Type of conduit to be determined
on site by contractor.
Including the label below
Beverly Brown-Williams
9521 Windrift Cir
Fort Pierce, FL
34945
Located Adjacent to Utility Meter
Inverter Type:
Enphase IQ7PLUS-72-2-US
PV Panel:
(24)
FAM365E7G-BB
Total Wattage:
8,760W
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:
(24) FAM365E7G-BB
Inverters:
(24) Enphase IQ7PLUS-72-2-US Micro Inverters
Circuits:
(2) circuits of (12) Modules
Maximum Inverters Per 20A Circuit (13)
Roof
Enphase Combiner Box
(1) - 20A Breaker
Per Circuit
#8 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 BoxBlack - 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-AM1-240Solar Combiner Box
240V
PHOTOVOLTAIC SYSTEM
! AC DISCONNECT !
RATED AC OUTPUT CURRENT: 29.04A
NOMINAL OPERATING VOLTAGE: 240VAC
2 Circuits
10/15A Breaker for Envoy
Load side connection Per 705.12(B)(2)(3)(b)Use Matching or equivalent approved breaker if derating
M
Main Service
(2)150A Main
Interior Panel A
Interior Panel B
150A
150A
40A
Godwin Engineering and
Design, LLC
8378 Foxtail Loop
Pensacola, FL 32526
D. Chad Godwin, PE
Chad@godwineng.com
11/20/2021
KG
1/13/2022
AZ
1331 Green Forest Ct, Ste 3
Winter Garden FL, 34787
407-926-0233
In Case of Emergency Call
Florida Power Management
at 407-926-0233
In Case of Emergency Call
Florida Power Management
at 407-926-0233
Customer Info:
E-2
Date:
Drawn by:
Revised by:
Rev #: 01
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
Design Temperature (°F)
Max Ambient Temp. Range (°F)
Temp. Rating of Conductor
No. of Current Carrying Cond
AC Max Output Current
94
To Overcurrent Protection Device
87-9575°C
<4
29.0436.3
40
0.94
100%
310.15(B)(2)(a)
310.15(B)(3)(a)
690.8(A)(3)
690.8(B)
310.15(B)(2)(a)
310.15(B)(3)(a)
310.15(B)(16)
AC Max Output Current * 1.25%
Overcurrent Protection (A)
Amb. Temp Correction Factor
Raceway Fill Adjustment Factor
Cond. Gauge (AWG)
Cond. Allowable Ampacity (Amps)
Cond. Adjusted Ampacity (Amps)
Install will be done to Manufacturer Spec
Including the label below
Beverly Brown-Williams
9521 Windrift Cir
Fort Pierce, FL
34945
Inverter Type:
Enphase IQ7PLUS-72-2-US
PV Panel:
(24)
FAM365E7G-BB
Total Wattage:
8,760W
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
Coductors have a min
apacity of 60 amperes
Per Code NEC 230.79(D)
PV AC disconnect is
lockable in the open position
per code NEC 705.22(6)
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 38" Capital Letters
Disconnect means shall be provided for alldisconnecting all ungrounded conductors that supplyor pass throught the building or structure Per Code2017 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 thatShut 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 OutputCurrent Rating 2017 NEC 240.4(B)
All Exterior equipment is A minimum of Nema-R3 Rated
All Interactive System(S) Points of interconnectionwith other sources shall be marked at an accesiblelocation at the disconnecting means as a powersource and with the rated ac output current and thenominal 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
2* 20A < 125A
*No other loads to be added
Load Side Connection will be done in Main Service Panel inside of garage.
Enphase Total Output Ckt
Note:
-All wiring to meet the 2017 NEC and
Florida electric codes.
60A Disconnect
-Type of conduit to be determined
on site by contractor.
850
47 50*.94*1=47
Godwin Engineering and
Design, LLC
8378 Foxtail Loop
Pensacola, FL 32526
D. Chad Godwin, PE
Chad@godwineng.com
7'
Splice Bar
Everest Mids
4'
Everest Ends/End Caps
Everest Ground Lugs
Everest Rail
6728
4
40210
FAM365E7G-BB
Enphase IQ7PLUS-72-2-US
24
24
Combiner
14'20
60A Non-Fused Disconnect 1
140A Breaker
220A Breakers 1Enphase Combiner Box
Sunmodo NanoMounts
3'-5"
5'-8"
R-1
# Modules (13)
Pitch: 18°
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
LL
L
L
L L
L L L
L L
L L
L L
7'-4"
8'-6"
12'-0"
50'-10"
20'-6"
R-2
# Modules (11)
Pitch: 18°
Azimuth: 271°
2' Gutter 2' Gutter
L L L L L L
L L L L L
L L L L
L L L
L L
L
LL
L L
L L
11/20/2021
KG
1/13/2022
AZ
1331 Green Forest Ct, Ste 3
Winter Garden FL, 34787
407-926-0233
Customer Info:
S-1A
Date:
Drawn by:
Revised by:
Rev #: 01
Rev Date:
Page:
Inverter Type:
PV Panel:
Racking:
Total Wattage:
Roof Type:
Wind Load:
Fastener Type:
Everest
Enphase IQ7PLUS-72-2-US
(24) FAM365E7G-BB
8,760W
Composition Shingle
7 to 20 Deg
Use Sunmodo NanoMounts
Install will be done to Manufacturer Spec
Beverly Brown-Williams
9521 Windrift Cir
Fort Pierce, FL
34945
Plans satisfy zones FBC-1510.7.1
L Proposed Mounting locations
Zone 2e, 2r & 3:Max cantilever is 8" as per manufacturer spec.
Max Cantilever = Max Span * (13)=24"*(13)=8"
Max cantilever is 16" as per manufacturer spec.
Max Cantilever = Max Span * (13)=48"*(13)=16"Zone 1:
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