HomeMy WebLinkAbout2329 N Fairmont Ave - PlanSHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:12/30/2023
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
T-1
WATERSON RESIDENCE
NEW PHOTOVOLTAIC SYSTEM
PROJECT - 4.800 kW
COORDINATES:
33.767564, -117.857560 AERIAL VIEW
PROJECT INFORMATION
PROPERTY OWNER
NAME: COLIN WATERSON
PHONE:-
CONTRACTOR
NAME: ILUM SOLAR
PHONE: 1-888-696-4586
DESIGN SPECIFICATIONS
OCCUPANCY: R-3
CONSTRUCTION TYPE: SINGLE FAMILY RESIDENCE
ZONING: RESIDENTIAL
GROUND SNOW LOAD: 0 PSF
WIND EXPOSURE: B
WIND SPEED: 95 MPH
APPLICABLE CODES & STANDARDS
2022 CALIFORNIA RESIDENTIAL CODE (CRC)
2022 CALIFORNIA BUILDING CODE (CBC)
2022 CALIFORNIA MECHANICAL CODE (CMC)
2022 CALIFORNIA ELECTRICAL CODE (CEC)
2022 CALIFORNIA PLUMBING CODE (CPC)
2022 CALIFORNIA ENERGY CODE (ENERGY)
2022 CALIFORNIA GREEN BUILDING CODE (CALGREEN)
2020 NATIONAL ELECTRICAL CODE (NEC)
2022 CALIFORNIA FIRE CODE (CFC)
TYPE OF
INTERCONNECTION: BACKFEED BREAKER IN THE SSP
SCOPE OF WORK
SYSTEM SIZE: STC: 12 X 400W = 4.800 kW
PTC: 12 X 376.7W = 4.520 kW
(12) CANADIAN SOLAR CS6R- 400MS-HL [BLK] (400W) SOLAR MODULES
(12) ENPHASE IQ8PLUS-72-2-US [240V] MICROINVERTERS
(1) 125A ENPHASE IQ COMBINER 5/5C (X-IQ-AM1-240-5/5C) BOX
(1) ENPHASE IQ BATTERY-5P-1P-NA BATTERY [240V]
(2) 30A KNIFE AC DISCONNECT (SQUARE D DU221RB)
(1) 125A SUB SERVICE PANEL
MSP UPGRADE: NO
MAIN BREAKER DERATE: NO
RACKING & MOUNTING
PV ATTACHMENT TYPE: UNIRAC FLASHKIT PRO FOR ASPHALT COMP SHINGLE ROOF
RACKING TYPE: UNIRAC SM- ROOF
MOUNT RACKING HARDWARE
SHEET #
T-1
T-2
PV-1
PV-2
PV-3
E-1,1.1
E-2
E-3
S-1
S-2
S-3
S-4
S-5
S-6
S-7
S-8
SHEET NAME
COVER SHEET
PLAN NOTES
SITE PLAN LAYOUT
ATTACHMENT DETAILS
MOUNTING DETAILS
ELECTRICAL DIAGRAM
WARNING LABELS
ELEVATION
SPEC SHEET
SPEC SHEET
SPEC SHEET
SPEC SHEET
SPEC SHEET
SPEC SHEET
SPEC SHEET
SPEC SHEET
Structural
Only
Signed: 01/02/2024
The scope of the plans is for the installation of the solar photovoltaic
system only and the approval is subject to compliance with all
applicable city and state codes and regulations regarding
construction. The approval of the plans does not constitute any
certification of the accuracy, completeness, or building permit
status of the existing buildings and structures as shown.
Bldg#: 101118370
Elec#: 20182176
Approvals:
Elec: MSmith
2329 N Fairmont Ave -
201821764/3/2024
1.1.PROJECT NOTES:
1.2.THIS PHOTOVOLTAIC (PV) SYSTEM SHALL COMPLY WITH THE NATIONAL
ELECTRICAL CODE (NEC) ARTICLE 690, ALL MANUFACTURERS’S LISTING AND
INSTALLATION INSTRUCTIONS, AND THE RELEVANT CODES AS SPECIFIED
BY THE AUTHORITY HAVING JURISDICTION’S (AHJ) APPLICABLE CODES.
1.3.THE UTILITY INTERCONNECTION APPLICATION MUST BE APPROVED AND
PV SYSTEM INSPECTED PRIOR TO PARALLEL OPERATION
1.4.GROUND FAULT DETECTION AND INTERRUPTION (GFDI) DEVICE IS
INTEGRATED WITH THE MICROINVERTER IN ACCORDANCE WITH NEC
690.5(A)
1.5.ALL PV SYSTEM COMPONENTS; MODULES, UTILITY-INTERACTIVE
INVERTERS, AND SOURCE CIRCUIT COMBINER BOXES ARE IDENTIFIED AND
LISTED FOR USE IN PHOTOVOLTAIC SYSTEMS AS REQUIRED BY NEC 690.4
& NEC 690.60: PV MODULES: UL1703, IEC61730, AND IEC61215, AND NFPA 70
CLASS C FIRE INVERTERS: UL 1741 CERTIFIED, IEEE 1547, 929, 519
COMBINER BOX(ES): UL 1703 OR UL 1741 ACCESSORY
1.6.MAX DC VOLTAGE CALCULATED USING MANUFACTURER PROVIDED TEMP
COEFFICIENT FOR VOC. IF UNAVAILABLE, MAX DC VOLTAGE CALCULATED
ACCORDING TO NEC 690.7.
1.7.ALL INVERTERS, PHOTOVOLTAIC MODULES, PHOTOVOLTAIC PANELS, AND
SOURCE CIRCUIT COMBINERS INTENDED FOR USE IN A PHOTOVOLTAIC
POWER SYSTEM WILL BE IDENTIFIED AND LISTED FOR THE APPLICATION
PER 690.4 (D). SHALL BE INSTALLED ACCORDING TO ANY INSTRUCTIONS
FROM LISTING OR LABELING [NEC 110.3].
1.8.ALL SIGNAGE TO BE PLACED IN ACCORDANCE WITH LOCAL BUILDING
CODE. IF EXPOSED TO SUNLIGHT, IT SHALL BE UV RESISTANT. ALL
PLAQUES AND SIGNAGE WILL BE INSTALLED AS REQUIRED BY THE NEC
AND AHJ.
1.9.SCOPE OF WORK:
1.10.PRIME CONTRACTOR IS RESPONSIBLE FOR THE DESIGN AND
SPECIFICATIONS OF THE GRID-TIED PHOTOVOLTAIC SYSTEM RETROFIT.
PRIME CONTRACTOR WILL BE RESPONSIBLE FOR COLLECTING EXISTING
ONSITE REQUIREMENTS TO DESIGN, SPECIFY, AND INSTALL THE
EXTERIOR ROOF-MOUNTED PORTION OF THE PHOTOVOLTAIC SYSTEMS
DETAILED IN THIS DOCUMENT.
1.11.WORK INCLUDES:
1.12.PV ROOF ATTACHMENTS - UNIRAC FLASHKIT PRO FOR ASPHALT COMP
SHINGLE ROOF
1.13.PV RACKING SYSTEM INSTALLATION - UNIRAC SM ROOF MOUNT
RACKING HARDWARE
1.14.PV MODULE AND INVERTER INSTALLATION - CANADIAN SOLAR CS6R-
400MS-HL [BLK] (400W) SOLAR MODULES / ENPHASE IQ8PLUS-72-2-US [240V]
MICROINVERTERS
1.15.PV EQUIPMENT GROUNDING
1.16.PV SYSTEM WIRING TO A ROOF-MOUNTED JUNCTION BOX
1.17.PV LOAD CENTERS (IF INCLUDED)
1.18.PV METERING/MONITORING (IF INCLUDED)
1.19.PV DISCONNECTS
1.20.PV GROUNDING ELECTRODE & BONDING TO (E) GEC
1.21.PV FINAL COMMISSIONING
1.22.(E) ELECTRICAL EQUIPMENT RETROFIT FOR PV
1.23.SIGNAGE PLACED IN ACCORDANCE WITH LOCAL BUILDING CODE
1.24.SITE NOTES:
1.25.A LADDER WILL BE IN PLACE FOR INSPECTION IN COMPLIANCE WITH OSHA
REGULATIONS.
1.26.THE PV MODULES ARE CONSIDERED NON-COMBUSTIBLE AND THIS
SYSTEM IS A UTILITY INTERACTIVE SYSTEM WITH NO STORAGE
BATTERIES.
1.27.THE SOLAR PV INSTALLATION WILL NOT OBSTRUCT ANY PLUMBING,
MECHANICAL, OR BUILDING ROOF VENTS.
1.28.PROPER ACCESS AND WORKING CLEARANCE AROUND EXISTING AND
PROPOSED ELECTRICAL EQUIPMENT WILL BE PROVIDED AS PER SECTION
NEC 110.26.
1.29.ROOF COVERINGS SHALL BE DESIGNED, INSTALLED, AND MAINTAINED IN
ACCORDANCE WITH THIS CODE AND THE APPROVED MANUFACTURER'S
INSTRUCTIONS SUCH THAT THE ROOF COVERING SERVES TO PROTECT
THE BUILDING OR STRUCTURE.SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:12/30/2023
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
T-2
1.56.EACH MODULE WILL BE GROUNDED USING WEEB GROUNDING CLIPS AS
SHOWN IN MANUFACTURER DOCUMENTATION AND APPROVED BY THE
AHJ. IF WEEBS ARE NOT USED, MODULE GROUNDING LUGS MUST BE
INSTALLED AT THE SPECIFIED GROUNDING LUG HOLES PER THE
MANUFACTURERS' INSTALLATION REQUIREMENTS.
1.57.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.
1.58.GROUNDING AND BONDING CONDUCTORS, IF INSULATED, SHALL BE
COLORED GREEN OR MARKED GREEN IF #4 AWG OR LARGER [2022 CEC
250.119]
1.59.THE GROUNDING ELECTRODE SYSTEM COMPLIES WITH CEC 690.47 AND
CEC 250.50 THROUGH 250.106. IF EXISTING SYSTEM IS INACCESSIBLE, OR
INADEQUATE, A GROUNDING ELECTRODE SYSTEM PROVIDED ACCORDING TO
CEC 250, CEC 690.47 AND AHJ.
1.60.GROUND-FAULT DETECTION SHALL COMPLY WITH CEC 690.41 IN GENERAL
AND CEC 690.41 (A)(1) SPECIFICALLY.
1.61.DISCONNECTION AND OVER-CURRENT PROTECTION NOTES:
1.62.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).
1.63.DISCONNECTS TO BE ACCESSIBLE TO QUALIFIED UTILITY PERSONNEL, BE
LOCKABLE, AND BE A VISIBLE-BREAK SWITCH
1.64.RAPID SHUTDOWN OF ENERGIZED CONDUCTORS BEYOND 1 FT OF PV
ARRAY OR 5 FT INSIDE A BUILDING WITHIN 10 SECONDS. CONTROLLED
CONDUCTORS ≤30V AND ≤240VA [CEC 690.12(B)]. LOCATION OF LABEL
ACCORDING TO AHJ
1.65.ALL OCPD RATINGS AND TYPES SPECIFIED ACCORDING TO CEC 690.8,
690.9, AND 240.
1.66.EQUIPMENT THAT IS LISTED, LABELED, OR BOTH SHALL BE INSTALLED AND
USED IN ACCORDANCE WITH ANY INSTRUCTIONS INCLUDED IN THE LISTING
OR LABELING. CEC 110.3(B).
1.67.IF REQUIRED BY AHJ, SYSTEM WILL INCLUDE ARC-FAULT CIRCUIT
PROTECTION ACCORDING TO CEC 690.11 AND UL1699B.
1.68.ELECTRICAL INTERCONNECTION NOTES:
1.69.THE SUM OF THE UTILITY OCPD AND INVERTER CONTINUOUS OUTPUT MAY
NOT EXCEED 120% OF THE BUSBAR RATING.
1.70.WHEN THE SUM OF THE PV SOURCES EQUALS >100% OF THE BUSBAR
RATING, PV DEDICATED BACKFEED BREAKERS MUST BE LOCATED OPPOSITE
END OF THE BUS FROM THE UTILITY SOURCE OCPD.
1.71.AT MULTIPLE PV OUTPUT COMBINER PANEL, THE TOTAL RATING OF ALL
OVERCURRENT DEVICES SHALL NOT EXCEED THE AMPACITY OF THE
BUSBAR. HOWEVER, THE COMBINED OVERCURRENT DEVICE MAY BE
EXCLUDED.
1.72.SUPPLY-SIDE TAP INTERCONNECTION SHOULD BE WITH SERVICE ENTRANCE
CONDUCTORS.
1.73.BACKFEEDING BREAKER FOR UTILITY-INTERACTIVE INVERTER OUTPUT IS
EXEMPT FROM ADDITIONAL FASTENING.
1.30.EQUIPMENT LOCATIONS:
1.31.ALL EQUIPMENT SHALL MEET MINIMUM SETBACKS AS REQUIRED BY 2022 CEC
110.26.
1.32.WIRING SYSTEMS INSTALLED IN DIRECT SUNLIGHT MUST BE RATED FOR
EXPECTED OPERATING TEMPERATURE AS SPECIFIED BY 2022 CEC 690.31 (A),(C)
AND CEC TABLES 310.15 (B)(2)(A) AND 310.15 (B)(3)(C)
1.33.JUNCTION AND PULL BOXES PERMITTED INSTALLED UNDER PV MODULES
ACCORDING TO 2022 CEC 690.34.
1.34.ADDITIONAL AC DISCONNECT(S) SHALL BE PROVIDED WHERE THE
INVERTER IS NOT WITHIN SIGHT OF THE AC SERVICING DISCONNECT .
1.35.ALL EQUIPMENT SHALL BE INSTALLED ACCESSIBLE TO QUALIFIED
PERSONNEL ACCORDING TO 2022 CEC APPLICABLE CODES.
1.36.ALL COMPONENTS ARE LISTED FOR THEIR PURPOSE AND RATED FOR
OUTDOOR USAGE WHEN APPROPRIATE.
1.37.STRUCTURAL NOTES:
1.38.RACKING SYSTEM
1.39.PV ARRAY WILL BE INSTALLED ACCORDING TO CODE-COMPLIANT
INSTALLATION MANUAL. TOP CLAMPS REQUIRE A DESIGNATED SPACE BETWEEN
MODULES, AND RAILS MUST ALSO EXTEND
1.40.A MINIMUM DISTANCE BEYOND EITHER EDGE OF THE ARRAY/SUBARRAY,
ACCORDING TO RAIL MANUFACTURER’S INSTRUCTIONS.
1.41.JUNCTION BOX WILL BE INSTALLED PER MANUFACTURER'S
SPECIFICATIONS. IF ROOF-PENETRATING TYPE, IT SHALL BE FLASHED SEALED
PER LOCAL REQUIREMENTS.
1.42.ROOFTOP PENETRATIONS FOR PV RACEWAY WILL BE COMPLETED AND
SEALED WITH APPROVED CHEMICAL SEALANT PER CODE BY A LICENSED
CONTRACTOR.
1.43.ALL PV RELATED ROOF ATTACHMENTS TO BE SPACED NO GREATER THAN
THE SPAN DISTANCE SPECIFIED BY THE RACKING MANUFACTURER.
1.44.WHEN POSSIBLE, ALL PV RELATED RACKING ATTACHMENTS WILL BE
STAGGERED AMONGST THE ROOF FRAMING MEMBERS.
1.45.WIRING & CONDUIT NOTES:
1.46.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.
1.47.CONDUCTORS SIZED ACCORDING TO 2022 CEC 690.8, 2022 CEC 690.7.
1.48.VOLTAGE DROP LIMITED TO 2%.
1.49.DC WIRING LIMITED TO MODULE FOOTPRINT. MICROINVERTER WIRING
SYSTEMS SHALL BE LOCATED AND SECURED UNDER THE ARRAY WITH
SUITABLE WIRING CLIPS.
1.50.AC CONDUCTORS COLORED OR MARKED AS FOLLOWS: PHASE A OR L1-
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 CON2022 CECTED SYSTEMS THE
PHASE WITH HIGHER VOLTAGE TO BE MARKED ORANGE [2022 CEC 110.15
1.51.GROUNDING NOTES:
1.52.GROUNDING SYSTEM COMPONENTS SHALL BE LISTED FOR THEIR
PURPOSE, AND GROUNDING DEVISES EXPOSED TO THE ELEMENTS SHALL
BE RATED FOR SUCH USE.
1.53.PV EQUIPMENT SHALL BE GROUNDED ACCORDING TO 2022 CEC 690.43 AND
MINIMUM 2022 CEC TABLE 250.122.
1.54.METAL PARTS OF MODULE FRAMES, MODULE RACKING, AND ENCLOSURES
CONSIDERED GROUNDED IN ACCORDING WITH 2022 CEC 250.134 AND 2022
250.136(A).
1.55.EQUIPMENT GROUNDING CONDUCTORS SHALL BE SIZED ACCORDING TO
CEC 690.45 AND MICROINVERTER MANUFACTURER'S INSTRUCTIONS.
2329 N Fairmont Ave -
201821764/3/2024
N
SCALE: 3/32" = 1'-0"
PV SYSTEM SITE PLAN
PV SYSTEM SIZE:
4.8 kW DC/4.384 kW
AC
CONSTRUCTION NOTES
LOCATION OF METER MAIN COMBO
23
2
9
F
A
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A
V
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ROOF OBSTRUCTIONS
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:12/30/2023
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
PV-1
(12) CANADIAN SOLAR CS6R- 400MS-HL [BLK] (400W)
SOLAR MODULES WITH AN ENPHASE IQ8PLUS-72-2-US
[240V] MICRO-INVERTERS MOUNTED TO THE BACK OF
EACH MODULE MOUNTED ON ASPHALT COMP SHINGLE
ROOF
(E) STRUCTURE ON PROPERTY
1. SOLAR PHOTOVOLTAIC SYSTEM TO BE INSTALLED ON
RESIDENTIAL STRUCTURE.
2. THIS PROJECT HAS BEEN DESIGNED IN COMPLIANCE
WITH THE CBC SECTION 1609 TO WITHSTAND A BASIC
WIND SPEED OF 95 MPH (3 SECOND GUST), WIND
EXPOSURE B.
3. THE ROOF MEMBERS ARE 2"X 4" RAFTERS AT 24" ON
CENTER. CONNECTION TO STRUCTURE SHALL NOT BE
WITHIN 11" OF NAILING PLATES.
4. THE SOLAR PHOTOVOLTAIC INSTALLATION SHALL NOT
OBSTRUCT ANY PLUMBING, MECHANICAL, OR BUILDING
ROOF VENTS.
5. ALL CONDUCTORS AND CONDUITS MOUNTED ON ROOF
SHALL BE MINIMUM 7/8" ABOVE ROOF SURFACE
(INCLUDING CABLES UNDERNEATH MODULES AND
RACKING).
6. ROOF ACCESS POINTS SHALL BE PROVIDED PER THE
FOLLOWING (CRC R324.7.1, CBC 3111.2.1)
6.1. LOCATED IN AREAS NOT REQUIRING PLACEMENT
OF GROUND LADDERS OVER OPENINGS SUCH AS
DOORS OR WINDOWS.
6.2. LOCATED AT STRONG POINTS OF CONSTRUCTION IN
LOCATIONS WHERE ACCESS POINT DOES NOT
CONFLICT WITH OVERHEAD OBSTRUCTIONS SUCH
AS: TREES, WIRES, OR SIGNS.
M
LEGEND
M METER MAIN COMBO
CB COMBINER BOX
BATT BATTERY
ACD AC DISCONNECT
DRIVEWAY
NEW SOLAR PANELS
LOCATION OF "RAPID SHUTDOWN" AC
DISCONNECT NEC 690.12
CAL-FIRE ROOF LADDER
ACCESS POINT
PROPERTY LINE
PR
O
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T
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L
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E
(E) SERVICE DROP
Roof Section 1
Roof Azimuth: 180°
Roof Tilt: 16°
Roof Section 2
Roof Azimuth: 360°
Roof Tilt: 16°
NOTE : ENERGY STORAGE SYSTEMS (ESS)
SHALL NOT BE LOCATED LESS THAN 3 FEET
FROM DOORS AND WINDOWS DIRECTLY
ENTERING THE DWELLING UNIT PER 2022
CALIFORNIA RESIDENTIAL CODE R328.4.
PROPERTY LINE
PROPERTY LINE
CAL-FIRE ROOF LADDER
ACCESS POINT
SSP CBACD BATTACD
PV INTERCONNECTION POINT. LOCATION OF SUB SERVICE
PANEL, (2) AC DISCONNECT, COMBINER BOX & (1) ENPHASE
IQ 5P BATTERY MOUNTED ON EXTERIOR WALL OF A SINGLE
FAMILY RESIDENCE.
LOCATION OF "RAPID SHUTDOWN" AC
DISCONNECT NEC 690.12
PROPERTY LINE
SSP SUB SERVICE PANEL
Structural Only
Signed: 01/02/2024
2329 N Fairmont Ave -
201821764/3/2024
SUB SERVICE PANEL
ENPHASE e
AC DISCONNECT
2'
2'-4"2'-2"
1'-3"
9"
ENPHASE IQ COMBINER
5/5C
6"
ENPHASEe
ON EXTERIOR WALL OF A GARAGE
1'-11"
3'
ENPHASE IQ BATTERY-5P-1P-NA [240]
2'-4"
1
AC DISCONNECT
9"
2
METER MAIN COMBO
2'
ON EXTERIOR WALL
OF HOUSE
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:12/30/2023
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
E-3EQUIPMENT ELEVATION VIEW
POWER SOURCE DISCONNECT SCHEDULE
DISCONNECT NUMBER TYPES OF DISCONNECT
1 OF 2
2 OF 2
KNIFE AC DISCONNECT FOR PV
KNIFE AC DISCONNECT FOR ESS
2329 N Fairmont Ave -
201821764/3/2024
RO
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910
10
6 21
7
S-5
D5
20
11
121413151822
S-5
D4
3
1
54
252423
8
26
2
D4 DETAIL (TRANSVERSE)
NOT TO SCALE D5 DETAIL (LONGITUDINAL)
NOT TO SCALE
D1 RACKING DETAIL (TRANSVERSE)
NOT TO SCALE
D3 RACKING DETAIL (TOP)
NOT TO SCALE
D2 RACKING DETAIL (LONGITUDINAL)
NOT TO SCALE
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:12/30/2023
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
PV-3
ASPHALT COMP SHINGLE
1. ROOF MATERIAL: ASPHALT COMP SHINGLE
2. ROOF STRUCTURE: RAFTERS
3. ATTACHMENT TYPE: UNIRAC FLASHKIT PRO
4. MODULE MANUFACTURER: CANADIAN SOLAR
5. MODULE MODEL: CS6R- 400MS-HL [BLK] (400W)
6. MODULE LENGTH: 67.8''
7. MODULE WIDTH: 44.6"
8. MODULE WEIGHT: 49.4 LBS.
9. SEE SHEET S-1 FOR DIMENSION(S)
10. MIN. FIRE OFFSET:
11. RAFTERS SPACING: 24" O.C.
12. RAFTERS SIZE: 2"X 4" NOMINAL
13. LAG BOLT DIAMETER: 5/16" IN.
14. LAG BOLT EMBEDMENT: 2.5 IN.
15. TOTAL # OF ATTACHMENTS: 20
16. TOTAL AREA: 251.99 SQ. FT.
17. TOTAL WEIGHT: 592.80 LBS.
18. WEIGHT PER ATTACHMENT: 29.64 LBS.
19. DISTRIBUTED LOAD: 2.35 PSF
20. MAX. HORIZONTAL STANDOFF: 72 IN.
21. MAX. VERTICAL STANDOFF:
LANDSCAPE: 26 IN., PORTRAIT: 39 IN.
22. STANDOFF STAGGERING: NO
23. RAIL MANUFACTURER AND MODEL
(OR EQUIV.):UNIRAC SM
24. RAIL WEIGHT: 0.436 PLF.
25. MAX. RAFTERS SPAN: 12 FT.
26. MODULE CLEARANCE: 3 IN. MIN., 6 IN. MAX.
Structural Only
Signed: 01/02/2024
2329 N Fairmont Ave -
201821764/3/2024
N
6'6'
6'6'6'6'
N
PROPOSED UNIRAC SM
RACKING
PROPOSED CANADIAN SOLAR CS6R-
400MS-HL [BLK] (400W) PV SOLAR MODULES
EXISTING 2"X 4" ROOF
RAFTERS @ 24"O.C.
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:12/30/2023
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
PV-2
Roof Section 1
Roof Azimuth: 180°
Roof Tilt: 16°
Roof Section 2
Roof Azimuth: 360 °
Roof Tilt: 16°
SCALE: 3/16" = 1'-0"
PV SYSTEM MOUNTING DETAILS
UNIRAC FLASHKIT PRO FOR
ASPHALT COMP SHINGLE ROOF @ 72" O.C. MAX
EXISTING ASPHALT COMP SHINGLE
ROOF
Structural Only
Signed: 01/02/2024
2329 N Fairmont Ave -
201821764/3/2024
(N) ENPHASE
IQ BATTERY-5P-1P-NA
[240]
RO
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L
E
V
E
L
-
HO
U
S
E
E
X
T
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20A
20A
N
15A
2
(N) 125A ENPHASE
X-IQ-AM1-240-5/5C
COMBINER BOX WITH
ENPHASE IQ ENVOY
COMM. GATEWAY
4
PV WIRES NEEDS TO MAINTAIN A 1’
MINIMUM SEPARATION WHEN THERE
IS PV OUTSIDE OF THE MICROGRID
TO AVOID RISK OF CROSSTALKING
BETWEEN ENVOYS.
1. ENVOY MUST BE NO FARTHER THAN 150' FROM THE
LAST MICROINVERTER.
2. MAX DISTANCE BETWEEN ENSEMBLE DEVICES IS 50'
LINE OF SIGHT WITH NO OBSTRUCTIONS.
12
PV CIRCUIT 1: 12 MODULES/PARALLEL
12 1
(N) JUNCTION BOX
WITH IRREVERSIBLE
GROUND SPLICE
(N) 12 CANADIAN SOLAR CS6R- 400MS-HL [BLK] (400W) MODULES
WITH AN ENPHASE IQ8PLUS-72-2-US [240V] MICRO-INVERTER
ATTACHED TO THE BACK OF EVERY MODULE.
NOTE: IN BETWEEN EACH ARRAY THE EMT IS USED AS THE
GROUNDING / BONDING, GROUND CLAMPS ARE AT EACH
END OF THE EMT CONDUIT WITH THE WIRE THEN FREE
AIR'D TO THE GROUND CLAMP ON THE RACKING RAIL
(N) VISIBLE
LOCKABLE
2 POLE 60A
'KNIFE' AC
DISCONNECT
(SQUARE D DU221RB)
4
3
BACKFEED
BREAKER
M
POINT OF
DELIVERY AND
INTERCONNECTION
200A
EXISTING
240V/200A
METER MAIN COMBO
SINGLE PHASE
(E) GROUNDING
ELECTRODE OR
(UFER)
N
CT CABLE
(N) VISIBLE
LOCKABLE
2 POLE 60A 'KNIFE'
AC DISCONNECT
SQUARE D DU222RB
3
100A
40A
N
EXISTING TRENCHING
NEW
240V/125A
SUB SERVICE PANEL
SINGLE PHASE
100A
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:3/13/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
E-1
SUB SERVICE PANEL
240/120V 1Ø, 3W
MAIN BUSS: 125A
MAX BREAKER SIZE:
(125A X 1.2) - 100A = 50A
NOTE : CT CABLES SHOULD NOT RUN
THROUGH BATTERIES HOT WIRE.
ESS DETAILS
MODEL NAME
PEAK OUTPUT POWER
TOTAL CAPACITY
ENPHASE IQ BATTERY-5P-1P-NA
6.14 kVA
5.0 kWh
NOTE : ENERGY STORAGE SYSTEMS (ESS) SHALL NOT BE
LOCATED LESS THAN 3 FEET FROM DOORS AND WINDOWS
DIRECTLY ENTERING THE DWELLING UNIT PER 2022
CALIFORNIA RESIDENTIAL CODE R328.4.
NOTE : ALL EQUIPMENT LISTED IS SUBJECT TO
AVAILABILITY AND MAY BE REPLACED WITH AN
EQUIVALENT PRODUCT.
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:3/13/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
E-1.1
Inverter Ratings
Inverter Make/Model
ENPHASE
IQ8PLUS-72-2-US
[240V]
Max DC Volt Rating 60V
Max con output Power 290W
Max Nominal Voltage 240V
Max AC Current 1.21A
Max OCPD Rating 20A
DESIGN TEMPERATURES
ASHRAE EXTREME LOW 2°C
ASHRAE 2% HIGH 31°C
PV Module Ratings @ STC
Module Make/Model
CANADIAN SOLAR
CS6R- 400MS-HL
[BLK] (400W) SOLAR
MODULES
Max Power-Point Current (Imp)12.99A
Max Power-Point Voltage (Vmp)30.8V
Open-Circuit Voltage (Voc)36.8V
Short-Circuit Current (Isc)13.85A
Max Series Fuse (OCPD)25A
Nominal Maximum Power at STC (Pmax)400W
Maximum System Voltage 1000V
Voc Temperature Coefficient -0.26%/°C
SYSTEM SUMMARY
BRANCH #1
INVERTERS PER BRANCH 12
MAX AC CURRENT 14.52A
MAX AC OUTPUT POWER 3480W
ARRAY STC POWER 4800W
MAX AC CURRENT 14.52A
MAX AC POWER 3480W
Conduit and Conductor Schedule
Tag Description Wire Gauge # of Conductors Conduit Type Conduit Size
1 Enphase Q cable - THWN-2 10 AWG 1 N/A - Free Air N/A - Free Air
1 Bare Copper Ground (EGC/GEC)6 AWG 1 N/A - Free Air N/A - Free Air
2 THWN-2 10 AWG 2 EMT 3/4"
2 THWN-2 - Ground 10 AWG 1 EMT 3/4"
3 THWN-2 8 AWG 3 EMT 3/4"
3 THWN-2 - Ground 10 AWG 1 EMT 3/4"
4 THWN-2 10 AWG 2 EMT 3/4"
4 THWN-2 - Ground 10 AWG 1 EMT 3/4"
2329 N Fairmont Ave -
201821764/3/2024
N
POWER TO THIS BUILDING IS
ALSO SUPPLIED FROM THE
FOLLOWING SOURCES WITH
DISCONNECTS AS SHOWN
CAUTION:
(N) SOLAR PANELS AND
MICRO-INVERTERS ON
ROOF
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:12/30/2023
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
E-2
23
2
9
F
A
I
R
M
O
N
T
A
V
E
PV INTERCONNECTION POINT.
LOCATION OF SUB SERVICE PANEL,
COMBINER BOX, (2) AC DISCONNECT &
(1) ENPHASE IQ BATTERY 5P .
1.NOT ALL PLACARDS SHOWN MAY BE REQUIRED BY LOCAL AHJ. CONTRACTOR TO VERIFY PLACARD
REQUIREMENTS WITH LOCAL AHJ BEFORE INSTALLATION.
2.ALL PLAQUES AND SIGNAGE REQUIRED BY THE LATEST EDITION OF THE CALIFORNIA ELECTRICAL CODE
3.ALTERNATE POWER SOURCE PLACARD SHALL BE METALLIC OR PLASTIC, ENGRAVED OR MACHINE
PRINTED LETTERS IN A CONTRASTING COLOR TO THE PLAQUE. THIS PLAQUE WILL BE ATTCHED BY POP
RIVETS OR SCREWS OR OTHER APPROVED METHOD.
4.DIRECTORY PLACARD MARKING CONTENT AND FORMAT: RED BACKGROUND, WHITE LETTERING,
MINIMUM 3/8" LETTER HIEGHT, ALL CAPITAL LETTERS, ARIAL OR SIMILAR FONT, NON BOLD, REFLECTIVE
WEATHER RESISTANT MATERIAL SUITABLE FOR THE ENVIRONMENT.
PERMANENT SIGNAGE NOTES:
WARNING!
DO NOT RELOCATE THIS
OVERCURRENT DEVICE
POWER SOURCE OUTPUT CONNECTION
LABEL LOCATION:
ADJACENT TO PV BREAKER (IF APPLICABLE).
PER CODE(S): CEC 2022: 705.12(B)(3)(2)
!
DO NOT ADD LOADS
PHOTOVOLTAIC SYSTEM
COMBINER PANEL
WARNING
LABEL LOCATION:
PHOTOVOLTAIC AC COMBINER (IF
APPLICABLE).
PER CODE(S): CEC 2022: 705.12(B)(3)(3)
SOLAR PV SYSTEM EQUIPPED
WITH RAPID SHUTDOWN
SOLAR ELECTRIC
PV PANELS
TURN RAPID SHUTDOWN
SWITCH TO THE "OFF"
POSITION TO SHUT DOWN
PV SYSTEM AND REDUCE
SHOCK HAZARD IN THE
ARRAY.
LABEL LOCATION:
ON OR NO MORE THAT 3 M (10 FT) FROM THE SERVICE
DISCONNECTING MEANS TO WHICH THE PV SYSTEMS
ARE CONNECTED.
ELECTRICAL SHOCK HAZARD
WARNING!
LABEL LOCATION:
INVERTER(S), AC DISCONNECT(S), AC
COMBINER PANEL (IF APPLICABLE).
PER CODE(S): CEC 2022: 705.15(C)(4)&
690.13(B)
TERMINALS ON LINE AND LOAD
SIDES MAY BE ENERGIZED IN
THE OPEN POSITION
RAPID SHUTDOWN SWITCH
FOR SOLAR PV SYSTEM
LABEL LOCATION:
UTILITY SERVICE ENTRANCE/METER, INVERTER/DC
DISCONNECT IF REQUIRED BY LOCAL AHJ, OR
OTHER LOCATIONS AS REQUIRED BY LOCAL AHJ.
PER CODE(S): CEC 2022:690.56(C)(2),
CFC 2022: 1204.5.3
MAXIMUM AC OPERATING CURRENT:
NOMINAL OPERATING AC VOLTAGE:
14.52 AMPS
240.0 VAC
PHOTOVOLTAIC AC DISCONNECT
LABEL LOCATION:
AC DISCONNECT(S), PHOTOVOLTAIC SYSTEM POINT OF
INTERCONNECTION.
PER CODE(S): CEC 2022: 690.54
CAUTION
TRI POWER SOURCES
SECOND SOURCE IS PV SYSTEM
THIRD SOURCE IS AC BATTERY
!
LABEL LOCATION : BATTERY
F.D. – ELECTRICAL
BLDG DISCONNECT
# 2 of 2
# 2
F.D. – ELECTRICAL
BLDG DISCONNECT
# 1 of 2
# 1
LOCATION OF METER
MAIN COMBO
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-1
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-10
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-11
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-2
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-3
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-4
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-5
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-6
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-7
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-8
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
SHEET
CONTRACTOR
ILUM SOLAR
2329 FAIRMONT AVE,
SANTA ANA,
CA 92706
APN:00310010
DATE:1/16/2024
WATERSON
RESIDENCE
License#:1092865, C-46
ADDRESS:
4135 NORTHGATE BLVD
SUITE 9, SACRAMENTO,
CA 95834, USA
DESIGNER: OHD
S-9
Signed 2/15/2024
Structural Only
2329 N Fairmont Ave -
201821764/3/2024
2329 N Fairmont Ave -
201821764/3/2024
2329 N Fairmont Ave -
201821764/3/2024
2329 N Fairmont Ave -
201821764/3/2024
01/02/2024
RE: Structural Certification for Installation of Residential Solar
COLIN WATERSON:2329 FAIRMONT AVE, SANTA ANA, CA 92706
Attn: To Whom It May Concern
Design Criteria
Code 2022 California Building Code (ASCE 7-16)
Risk category II Wind Load (component and Cladding)
Roof Dead Load Dr 10 psf V 95 mph
PV Dead Load DPV 3 psf Exposure B
Roof Live Load Lr 20 psf
Ground Snow S 0 psf
If you have any questions on the above, please do not hesitate to call.
Sincerely,
Eugene Munyanziza, P.E.Signed 01/02/2024
EV Engineering, LLC
projects@evengineersnet.com
http://www.evengineersnet.com
Exp: 06/30/2024
This Letter is for the existing roof framing which supports the new PV modules as well as the attachment of the PV
system to existing roof framing. From the field observation report, the roof is made of Composition shingle
roofing over roof plywood supported by 2X4 Rafters at 24 inches. The slope of the roof was approximated to be
16 degrees.
After review of the field observation data and based on our structural capacity calculation, the existing roof
framing has been determined to be adequate to support the imposed loads without structural upgrades.
Contractor shall verify that existing framing is consistent with the described above before install. Should they find
any discrepancies, a written approval from SEOR is mandatory before proceeding with install. Capacity
calculations were done in accordance with applicable building codes.
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2329 N Fairmont Ave -
201821764/3/2024
Structural Letter for PV Installation
Date:01/02/2024
Job Address:2329 FAIRMONT AVE
SANTA ANA, CA 92706
Job Name:COLIN WATERSON
Job Number:010224CW
Scope of Work
2 Cover
3 Attachment Uplift checks
4 Roof Framing Check
5 Seismic Check and Scope of work
Engineering Calculations Summary
Code 2022 California Building Code (ASCE 7-16)
Risk category II
Roof Dead Load Dr 10 psf
PV Dead Load DPV 3 psf
Roof Live Load Lr 20 psf
Ground Snow S 0 psf
Wind Load (component and Cladding)
V 95 mph
Exposure B
References
NDS for Wood Construction
Sincerely,
Signed 01/02/2024
Eugene Munyanziza, P.E.
EV Engineering, LLC
projects@evengineersnet.com
http://www.evengineersnet.com Exp: 06/30/2024
e PV
r's
This Letter is for the existing roof framing which supports the new PV modules as well as the attachment of the PV
system to existing roof framing. All PV mounting equipment shall be designed and installed per manufacturer's
approved installation specifications.
Table of Content
Sheet
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2329 N Fairmont Ave -
201821764/3/2024
Wind Load Cont.
95 mph ASCE 7-16 Figure 26.5-1B
B
1.0 ASCE 7-16 Sec 26.8.2
0.57 ASCE 7-16 Table 26.10-1
0.85 ASCE 7-16 Table 26.6-1
0.99 ASCE 7-16 Table 26.9-1
11.13 psf
16.0 Degrees
1.5 Conservatively assuming all exposed
0.8 conservatively assuming 10 ft2 effective area
Uplift (W)Zone(1,2e)Zone(2r, 2n)Zone(3e)Zone(3r)
Fig. 30-3-2 GCp=-1.1 -2 -2 -2.4
Eq. 29.4-7 P=qh(GCp)(γE)(γa)=-14.69 -26.71 -26.71 -32.05
GCp=0.5 Figure 30.3-2
P=qh(GCp)(γE)(γa)=3.67 Equation 29.4-7
Rafter Attachments: 0.6D+0.6W (CD=1.6)
Connection Check
Attachment max. spacing=6 ft
5/16" Lag Screw Withdrawal Value=266 lbs/in Table 12.2A - NDS
2.5 in DFL Assumed
Prying Coefficient 1.4
Allowable Capacity=760 lbs
Zone Trib Width Area (ft)Uplift (lbs)Down (lbs)
Zone(1,2e)6 16.5 96.3 110.1
Zone(2r, 2n)6 16.5 161.8 110.1
Zone(3e)6 16.5 161.8 110.1
Zone(3r)6 16.5 190.8 110.1
Conservative Max=190.8 <760
CONNECTION IS OK
2. Embedment is measured from the top of the framing member to the tapered tip of a lag screw.
Embedment in sheading or other material does not count.
II
V=
Exposure =
1. Pv seismic dead weight is negligible to result in significant seismic uplift, therefore the wind uplift
governs
γE=
γa=
KZt =
qh= 0.00256KzKztKdKeV2=
Pitch =
Lag Screw Penetration
Risk Category =
KZ =
Kd =
Ke =
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2329 N Fairmont Ave -
201821764/3/2024
Vertical Load Resisting System Design
Roof Framing Rafters
Snow Load Fully Exposed
pg=0 psf Ct =1.1
Ce =0.9 Is =1.0
pf = 0 psf
pfmin. = 0.0 psf
ps = 0 psf Conservatively (Cs=1)0 plf
Max Length, L =8.0 ft (Rafter maximum Allowable Horizontal Span)
Tributary Width, WT =24 in
Dr =10 psf 20 plf
PvDL =3 psf 18 plf
Load Case: DL+0.75(0.6W+S)
0.75(Pnet+Ps)+ Ppvcos(θ)+PDL=41 plf
Mdown=330 lb-ft
Mallowable = Sx x Fb' (wind)=456 lb-ft >330 lb-ft OK
Load Case: DL+S
Ps+ Ppvcos(θ)+PDL=38 plf
Mdown=304 lb-ft
Mallowable = Sx x Fb' (wind)=456 lb-ft >304 lb-ft OK
Load Case: DL+0.6W
Pnet+ Ppvcos(θ)+PDL=42.4 plf
Max Moment, Mu=339 lb-ft
Mallowable = Sx x Fb' (wind)=634 lb-ft >339 lb-ft OK
Pv max Shear=110.1 lbs
Shear, Vu=wL/2+Pv Point Load =262 lbs
Max Shear, Vu=wL/2+Pv Point Load =262 lb
Member Capacity
DF-L No.2
2X4 CL CF Ci Cr KF φ λ
Fb =900 psi 1.0 1.5 1.0 1.15 2.54 0.85 0.8 1553 psi
Fv =180 psi N/A N/A 1.0 N/A 2.88 0.75 0.8 180 psi
E =1600000 psi N/A N/A 1.0 N/A N/A N/A N/A 1600000 psi
Emin =580000 psi N/A N/A 1.0 N/A 1.76 0.85 N/A 580000 psi
Depth, d =3.5 in
Width, b =1.5 in
Cross-Sectonal Area, A =5.25 in2
Moment of Inertia, Ixx =5.35938 in4
Section Modulus, Sxx =3.0625 in3
Allowable Moment, Mall = Fb'Sxx =396.2 lb-ft DCR=Mu/Mall =0.73 < 1 Satisfactory
Allowable Shear, Vall = 2/3Fv'A =630.0 lb DCR=Vu/Vall =0.42 < 1 Satisfactory
Design Value Adjusted Value
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2329 N Fairmont Ave -
201821764/3/2024
Siesmic Loads Check
Roof Dead Load 10 psf
% or Roof with Pv 18%
Dpv and Racking 3 psf
Average Total Dead Load 10.6 psf
Increase in Dead Load 2.2%OK
Limits of Scope of Work and Liability
The increase in seismic Dead weight as a result of the solar system is less than 10% of the existing structure and
therefore no further seismic analysis is required.
We have based our structural capacity determination on information in pictures and a drawing set titled PV plans -
COLIN WATERSON. The analysis was according to applicable building codes, professional engineering and design
experience, opinions and judgments. The calculations produced for this Structure's assessment are only for the
proposed solar panel installation referenced in the stamped plan set and were made according to generally
recognized structural analysis standards and procedures.
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2329 N Fairmont Ave -
201821764/3/2024