HomeMy WebLinkAboutRichard Cotton Engineering 05-05-22.pdf76 North Meadowbrook Drive
Scott E. Wyssling, PE Alpine, UT 84004
Jon P. Ward, SE, PE office (201) 874-3483
Gregory T. Elvestad, PE swyssling@wysslingconsulting.com
May 5, 2022
Illumine Industries
39111 Paseo Padre Parkway Suite 313
Fremont, CA 94538
Re: Engineering Services
Cotton Residence
3812 Wolf Creek Circle, Carmel IN
4.440 kW System
To Whom It May Concern:
We have received information regarding solar panel installation on the roof of the above referenced
structure. Our evaluation of the structure is to verify the existing capacity of the roof system and its ability
to support the additional loads imposed by the proposed solar system.
A. Site Assessment Information
1. Site visit documentation identifying attic information including size and spacing of framing
for the existing roof structure.
2. Design drawings of the proposed system including a site plan, roof plan and connection
details for the solar panels. This information will be utilized for approval and construction
of the proposed system.
B. Description of Structure:
Roof Framing: 2x6 dimensional lumber at 16” on center.
Roof Material: Composite Asphalt Shingles
Roof Slopes: 45 degrees
Attic Access: Accessible
Foundation: Permanent
C. Loading Criteria Used
Dead Load
o Existing Roofing and framing = 7 psf
o New Solar Panels and Racking = 3 psf
o TOTAL = 10 PSF
Dead Load
o Existing Roofing and framing = 7 psf
o New Solar Panels and Racking = 3 psf
o TOTAL = 10 psf
Live Load = 20 psf (reducible) – 0 psf at locations of solar panels
Ground Snow Load = 20 psf
Wind Load based on ASCE 7-10
o Ultimate Wind Speed = 90 mph (based on Risk Category II)
o Exposure Category C
Analysis performed of the existing roof structure utilizing the above loading criteria is in accordance
with the 2012 IRC, including provisions allowing existing structures to not require strengthening if
the new loads do not exceed existing design loads by 105% for gravity elements and 110% for
seismic elements. This analysis indicates that the existing framing will support the additional panel
loading without damage, if installed correctly.
Page 2 of 2
D. Solar Panel Anchorage
1. The solar panels shall be mounted in accordance with the most recent Sunmodo installation
manual. If during solar panel installation, the roof framing members appear unstable or deflect non-
uniformly, our office should be notified before proceeding with the installation.
2. Connection on the roof is utilizing (4) 3” self-tapping screws into the existing decking to resist uplift
forces. Contractor to verify installation to be performed in accordance with the Sunmodo
recommendations. Pull out values per screw are based on National Design Specification values
for CDX plywood and are identified as 208 lbs/inch. Based on ½” sheathing the value per screw
would be 104 lbs providing 416 lbs uplift resistance per attachment.
3. Considering the wind speed, roof slopes, size and spacing of framing members, and condition of
the roof, the panel supports shall be placed no greater than 48” on center.
4. Panel supports connections shall be staggered to distribute load to adjacent framing members.
Based on the above evaluation, this office certifies that with the racking and mounting specified, the existing
roof system will adequately support the additional loading imposed by the solar system. This evaluation is in
conformance with the 2012 IRC, current industry standards and practice, and is based on information supplied
to us at the time of this report.
Should you have any questions regarding the above or if you require further information do not hesitate to
contact me.
Very truly yours,
Scott E. Wyssling, PE
Indiana License No. PE11900440
Date Signed 5/5/2022
UM
MSP
INV AC
VICINITY MAP
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
SHEET CATALOG
INDEX NO. DESCRIPTION
T-01 COVER PAGE
S-01 MOUNTING DETAIL
S-02 STRUCTURAL DETAIL
E-01 SINGLE LINE DIAGRAM
PL-01 WARNING PLACARDS
SS SPEC SHEET(S)
SITE PLAN LAYOUT
(E) MAIN SERVICE PANEL(INTERIOR)
(E) UTILITY METER(EXTERIOR)
(N) PV INVERTER
(EXTERIOR)
CONDUIT RUN
PHOTOVOLTAIC ARRAY ON THE ROOF
RICHARD COTTON - 4.440kW DC, 3.800kW AC
COVER PAGE
T-01
SCALE:1/32" = 1'-0"
1.MODULES ARE LISTED UNDER UL 1703 AND
CONFORM TO THE STANDARDS.
2.INVERTERS ARE LISTED UNDER UL 1741 AND
CONFORM TO THE STANDARDS.
3.DRAWINGS ARE DIAGRAMMATIC, INDICATING
GENERAL ARRANGEMENT OF THE PV SYSTEM AND
THE ACTUAL SITE CONDITION MIGHT VARY.
4.WORKING CLEARANCES AROUND THE NEW PV
ELECTRICAL EQUIPMENT WILL BE MAINTAINED IN
ACCORDANCE WITH NEC 110.26.
5.ALL GROUND WIRING CONNECTED TO THE MAIN
SERVICE GROUNDING IN MAIN SERVICE PANEL/
SERVICE EQUIPMENT.
6.ALL CONDUCTORS SHALL BE 600V, 75°C
STANDARD COPPER UNLESS OTHERWISE NOTED.
7.WHEN REQUIRED, A LADDER SHALL BE IN PLACE
FOR INSPECTION IN COMPLIANCE WITH OSHA
REGULATIONS.
8.THE SYSTEM WILL NOT BE INTERCONNECTED BY
THE CONTRACTOR UNTIL APPROVAL FROM THE
LOCAL JURISDICTION AND/OR THE UTILITY.
9.ROOF ACCESS POINT SHALL BE LOCATED IN
Date Signed 5/5/2022
AERIAL VIEW
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
MOUNTING DETAIL
S-01
ALUMINIUM RAILS
SCALE:1"=10'-0"
ARRAY MP-01
NOTE:PENETRATIONS ARE STAGGERED
INSTALLATION NOTES
1.STRUCTURAL ROOF MEMBER LOCATIONS ARE
ESTIMATED AND SHOULD BE LOCATED AND VERIFIED
BY THE CONTRACTOR WHEN LAG BOLT PENETRATION
OR MECHANICAL ATTACHMENT TO THE STRUCTURE IS
REQUIRED.
2.ROOFTOP PENETRATIONS FOR SOLAR RACKING
WILL BE COMPLETED AND SEALED WITH APPROVED
SEALANT PER CODE BY A LICENSED CONTRACTOR.
3.LAGS MUST HAVE A MINIMUM 2.5" THREAD
EMBEDMENT INTO THE STRUCTURAL MEMBER. 4.ALL
PV RACKING ATTACHMENTS SHALL BE STAGGERED BY
ROW BETWEEN THE ROOF FRAMING MEMBERS AS
NECESSARY.
5.ROOF MOUNTED STANDARD RAIL REQUIRES ONE
THERMAL EXPANSION GAP FOR EVERY RUN OF RAIL
GREATER THAN 40'.
6.ALL CONDUCTORS AND CONDUITS ON THE ROOF
SHALL BE MINIMUM 1-1/2" ABOVE THE ROOF
SURFACE (INCLUDING CABLES UNDERNEATH
MODULES AND RACKING).
7.THE PV INSTALLATION SHALL NOT OBSTRUCT ANY
PLUMBING, MECHANICAL OR BUILDING ROOF VENTS.
ROOF ACCESS PATHWAYS AND SETBACKS: IFC
605.11.3.2.1 RESIDENTIAL BUILDINGS WITH
HIP ROOF LAYOUTS. PANELS/MODULES INSTALLED
ON RESIDENTIAL BUILDINGS WITH HIP ROOF
LAYOUTS SHALL BE LOCATED IN A MANNER THAT
PROVIDES A 3-FOOT-WIDE (914 MM) CLEAR ACCESS
PATHWAY FROM THE EAVE TO THE RIDGE ON EACH
ROOF SLOPE WHERE PANELS/MODULES ARE
LOCATED. THE ACCESS PATHWAY SHALL BE LOCATED
AT A STRUCTURALLY STRONG LOCATION ON THE
BUILDING CAPABLE OF SUPPORTING THE LIVE LOAD
OF FIRE FIGHTERS ACCESSING THE ROOF.
IFC 605.11.3.2.2RESIDENTIAL BUILDINGS WITH
A SINGLE RIDGE. PANELS/MODULES INSTALLED ON
Date Signed 5/5/2022
MODULE
END CLAMP
MODULE MID CLAMP
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
STRUCTURAL DETAIL
S-02
DEAD LOAD CALCULATIONS
BOM QUANTITY LBS/UNIT
TOTAL WEIGHT
(LBS)
MODULES 12 40.78 489.36
MID-CLAMP 20 0.050 1.00
END-CLAMP 8 0.050 0.40
RAIL LENGTH 84 0.680 57.12
SPLICE BAR 4 0.360 1.44
NANOMOUNT
DECKING 25 1.35 33.75
TOTAL WEIGHT OF THE SYSTEM (LBS) 583.07
TOTAL ARRAY AREA ON THE ROOF (SQ. FT.) 237.92
WEIGHT PER SQ. FT.(LBS) 2.45
WEIGHT PER PENETRATION (LBS) 23.32
MID-CLAMP AND END-CLAMP ANATOMY
GROUNDING LUG
MID CLAMP
ASSEMBLY
MODULE
FRAME
RAIL
MODULE TO MODULE & MODULE TO RAIL
GROUNDING MID-CLAMP
SCALE: NTS
GROUNDING DETAILS
SELF-DRILLING SCREW
SCALE: NTS
RAIL TO RAIL
T-BOLT
ATTACHMENT DETAIL-NANOMOUNT DECKING
SUNMODO RAIL
SMR INTERNAL SPLICE K10421-001
MODULES DATA
LG NEON LG370N1K-E6
MODULE DIMS 69.60"x41.02"x1.57"
LAG SCREWS (4)3" SELF-TAPPING
SCREW
SCALE:NTS
METER#:DUKE ENERGY
318 602 772
SUPPLY SIDE TAP
(E)200A END FED
MAIN PANEL
UTILITY
GRID
(E)200A MAIN
BREAKER
(E) GROUND
ELECTRODE
EXISTING 120/240V 1PH 60HZ
M
(N)JUNCTION
BOX
3 2 1
PV MODULES
G
(N)LG NEON LG370N1K-E6,370W MODULES
12 MODULES WIRED IN
(1) SERIES OF 12 MODULES
SOLAREDGE POWER
OPTIMIZERS
3
(N)SOLAREDGE TECHNOLOGIES
SE3800H-US(240V), 3800W
INVERTER
INVERTER-1
DC DISCO
DC
AC
LOAD RATED DC DISCONNECT & AFCI
(N)60A AC
DISCONNECT
SQUARE D D222NRB
AC DISCONNECT FUSED
60A, 120/240V, 2P
20A FUSE
SINGLE LINE DIAGRAM: DC SYSTEM SIZE - 4440W, AC SYSTEM SIZE - 3800W
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
SINGLE LINE DIAGRAM
E-01
INVERTER-1 SPECIFICATIONS
MODEL
SOLAREDGE TECHNOLOGIES
SE3800H-US(240V)
UM
MSP
INV AC
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
WARNING PLACARDS
PL-01
!
POWER TO THIS BUILDING IS ALSO
SUPPLIED FROM THE FOLLOWING
SOURCES WITH DISCONNECTS LOCATED
AS SHOWN
WARNING: !
ALL PLACARDS SHALL BE OF WEATHER PROOF CONSTRUCTION, BACKGROUND ON ALL PLACARDS SHALL BE
RED WITH WHITE LETTERING U.O.N.
PLACARD SHALL BE MOUNTED DIRECTLY ON THE EXISTING UTILITY ELECTRICAL SERVICE.
FASTENERS APPROVED BY THE LOCAL JURISDICTION
SOLAR PHOTOVOLTAIC
ARRAY ON THE ROOF
WARNING PLACARD
25
240
AMPS AC
VAC
(E) MAIN SERVICE
PANEL(INTERIOR)
(E) UTILITY METER
(EXTERIOR)
(N) PV INVERTER
(EXTERIOR)
(N) AC DISCONNECT
3812 WOLF CREEK CIRCLE, CARMEL, IN 46033 (EXTERIOR)
WARNING
ELECTRIC SHOCK HAZARD
TERMINALS ON BOTH LINE AND LOAD SIDES MAY
BE ENERGIZED IN THE OPEN POSITION
LABEL LOCATION
AC DISCONNECT,POINT OF INTERCONNECTION
PER CODE: NEC 690.13
DC VOLTAGE IS ALWAYS PRESENT WHEN SOLAR
MODULES ARE EXPOSED TO SUNLIGHT
!
WARNING:PHOTOVOLTAIC
POWER SOURCE
LABEL LOCATION
CONDUIT, COMBINER BOX
PER CODE: NEC690.31(G)(3)
SPEC SHEET
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
MODULE SPEC SHEET
SS-01
SPEC SHEET
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
INVERTER SPEC SHEET
SS-02
SPEC SHEET
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
INVERTER SPEC SHEET
SS-03
SPEC SHEET
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
OPTIMIZER SPEC SHEET
SS-04
SPEC SHEET
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
MOUNT SPEC SHEET
SS-05
SPEC SHEET
ADDRESS:3812 WOLF CREEK CIRCLE,
CARMEL, IN 46033
39.933943, -86.100014
APN: 291-408-304-012-000-018
CUSTOMER INFORMATION
NAME:RICHARD COTTON
DATE:4/29/22
SCALE:AS NOTED REV:A
AHJ:IN-CITY OF CARMEL
PRN NUMBER:GRN-50620
DRAFTEDBY:
S.JUSTIN
QC'ED BY:N.MAHALE
PAPER SIZE:17"X11"
UTILITY: DUKE ENERGY
RAIL SPEC SHEET
SS-06
LABEL LOCATION
AC DISCONNECT , POINT OF INTERCONNECTION
PER CODE: NEC 690.54
RATED AC OPERATING CURRENT
AC NOMINAL OPERATING VOLTAGE
16.00
240
AMPS AC
VAC
PHOTOVOLTAIC SYSTEM AC DISCONNECT SWITCH
LABEL LOCATION
POINT OF INTERCONNECTION
PER CODE: NEC705.12(B)(3)
WARNING
DUAL POWER SOURCE SECOND
SOURCE IS PHOTOVOLTAIC
SYSTEM
A
15
480
MAXIMUM SYSTEM
VOLTAGE(Voc)
MAXIMUM CIRCUIT
CURRENT(Isc)
MAXIMUM RATED OUTPUT
CURRENT OF THE CHARGE
CONTROLLER OR DC-TO-DC
CONVERTER(IF INSTALLED)
INVERTER 1
V
A
15
LABEL LOCATION
DC DISCONNECT
PER CODE: NEC690.53
LABEL LOCATION
DISCONNECT, POINT OF INTERCONNECTION
PER CODE: NEC690.13(B)
PHOTOVOLTAIC
AC DISCONNECT
!
RAPID SHUTDOWN
SWITCH FOR SOLAR PV
SYSTEM
LABEL LOCATION
INVERTER
PER CODE: NEC 690.56(C)(3)
POWER RATING 3800W
MAX OUTPUT CURRENT 16A
CEC WEIGHTED EFFICIENCY 99%
MAX INPUT CURRENT 10.5A
MAX DC VOLTAGE 480V
MODULE SPECIFICATION
MODEL LG NEON
LG370N1K-E6
MODULE POWER @ STC 370W
OPEN CIRCUIT VOLTAGE:Voc 41.4V
MAX POWER VOLTAGE:Vmp 34.7V
SHORT CIRCUIT CURRENT:Isc 11.23A
MAX POWER CURRENT:Imp 10.68A
ELECTRICAL CALCULATIONS
DC WIRE CALCULATIONS:- MATERIAL:COPPER & TEMPERATURE RATING:90°C
TAG ID REQUIRED CONDUCTOR AMPACITY CORRECTED AMPACITY CALCULATION DERATED CONDUCTOR AMPACITY CHECK
1 1 X 15 X 1 = 15 X 1.25 = 18.75A 40 X 0.58 X 1 = 23.20A 18.75A < 23.20A
2 1 X 15 X 1 = 15 X 1.25 = 18.75A 40 X 0.71 X 0.8 = 22.72A 18.75A < 22.72A
AC WIRE CALCULATIONS:- MATERIAL:COPPER & TEMPERATURE RATING:90°C
TAG ID REQUIRED CONDUCTOR AMPACITY CORRECTED AMPACITY CALCULATION DERATED CONDUCTOR AMPACITY CHECK
3 16 X 1 = 16 X 1.25 = 20.00A 75 X 0.87 X 1 = 65.25A 20.00A < 65.25A
CONDUIT SCHEDULE
TAG ID CONDUIT SIZE CONDUCTOR NEUTRAL GROUND
1 NONE (2) 10AWG PV WIRE NONE (1) 10AWG BARE COPPER
2 3/4"IMC (2) 10AWG THHN/THWN-2 NONE (1) 10AWG THHN/THWN-2
3 3/4"IMC (2) 6 AWG THHN/THWN-2 (1) 6 AWG THHN/THWN-2 (1) 6 AWG THHN/THWN-2
NOTE:
MAIN PANEL RATING:200A, MAIN BREAKER RATING:200A
LINE SIDE TAP: 100% ALLOWABLE BACKFEED IS =200A
OCPD CALCULATIONS:
INVERTER OVERCURRENT PROTECTION= INVERTER O/P I X CONTINUOUS LOAD(1.25)
=16x1.25=20.00A=>PV BREAKER = 20A
TOTAL REQUIRED PV BREAKER SIZE / FUSE SIZE=>20A PV BREAKER
SYSTEM CHARACTERISTICS
DC SYSTEM SIZE 4440W
INVERTER STRING VOLTAGE:Vmp 380V
MAX INVERTER SYSTEM VOLTAGE: Voc 480V
MAX SHORT CIRCUIT CURRENT 15A
OPERATING CURRENT 11.68A
ELECTRICAL NOTES
OPTIMIZER CHARACTERISTICS
MODEL P401
MIN INPUT VOLTAGE 8 VDC
MAX INPUT VOLTAGE 60 VDC
MAX INPUT CURRENT 11.75
ADC
MAX OUTPUT CURRENT 15 ADC
DC WIRE SIZING CALCULATIONS BASED OF FOLLOWING EQUATIONS>>
· REQUIRED CONDUCTOR AMPACITY: 125% PER 690.8(A)(1) X Isc(A) X #OF
PARALLEL STRINGS = MAX CURRENT PER 690.8(A)(1) X 125% PER
690.8(B)(2)(a)=MAX CURRENT PER 690.8(B)(2)(a)
· CORRECTED AMPACITY CALCULATIONS:AMPACITY X TEMPERATURE DERATE
FACTOR X CONDUIT FILL DERATE = DERATED CONDUCTOR AMPACITY
· DERATED CONDUCTOR AMPACITY CHECK: MAX CURRENT PER 690.8(B)(2)(2) <
DERATED CONDUCTOR AMPACITY
AC WIRE SIZING CALCULATIONS BASED OF FOLLOWING EQUATIONS >>
· REQUIRED CONDUCTOR AMPACITY: INVERTER OUTPUT CURRENT X #OF
INVERTERSXMAX CURRENT PER 690.8(A)(3)X125% PER 690.8(B)(2)(A)
· CORRECTED AMPACITY CALCULATIONS:AMPACITY X TEMPERATURE DERATE
FACTOR X CONDUIT FILL DERATE = DERATED CONDUCTOR AMPACITY
· DERATED CONDUCTOR AMPACITY CHECK: MAX CURRENT PER 690.8(B)(2)(2) <
DERATED CONDUCTOR AMPACITY
ELECTRICAL NOTES:
1.CONDUCTORS EXPOSED TO SUNLIGHT SHALL BE LISTED AS SUNLIGHT
RESISTANT PER NEC 310.10(D).
2.CONDUCTORS EXPOSED TO WET LOCATIONS SHALL BE SUITABLE FOR USE
IN WET LOCATIONS PER NEC 310.10(C).
3.MAXIMUM DC/AC VOLTAGE DROP SHALL BE NO MORE THAN 2%.
4.ALL CONDUCTORS SHALL BE IN CONDUIT UNLESS OTHERWISE NOTED.
5.BREAKER/FUSE SIZES CONFORMS TO NEC 240.6 CODE SECTION.
6.AC GROUNDING ELECTRODE CONDUCTOR SIZED PER NEC 250.122.
7.AMBIENT TEMPERATURE CORRECTION FACTOR IS BASED ON NEC 690.31(C).
8.AMBIENT TEMPERATURE ADJUSTMENT FACTOR IS BASED ON NEC
310.15(B)(2).
9.MAX. SYSTEM VOLTAGE CORRECTION IS PER NEC 690.7.
10.CONDUCTORS ARE SIZED PER WIRE AMPACITY TABLE NEC 310.15(B)(16).
(4)3" SELF-TAPPING SCREW
6" MAX
NANOMOUNT DECKING
SOLAR MODULE
DECK
UNIRAC RAIL
UNIRAC RAIL
2 X 6 RAFTERS
@1'-4" SPACING
COMPOSTION SHINGLE ROOF
MODULE
(4)3" SELF-TAPPING
SCREW
LOAD BEARING WALL SCALE:NTS
ROOF FRAMING DETAILS
RESIDENTIAL BUILDINGS WITH A SINGLE RIDGE
SHALL BE LOCATED IN A MANNER THAT PROVIDES
TWO, 3-FOOT-WIDE (914 MM) ACCESS PATHWAYS
FROM THE EAVE TO THE RIDGE ON EACH ROOF SLOPE
WHERE PANELS/MODULES ARE LOCATED.
IFC 605.11.3.2.3 RESIDENTIAL BUILDINGS WITH
ROOF HIPS AND VALLEYS. PANELS/MODULES
INSTALLED ON RESIDENTIAL BUILDINGS WITH ROOF
HIPS AND VALLEYS SHALL BE LOCATED NO CLOSER
THAN 18 INCHES (457 MM) TO A HIP OR A VALLEY
WHERE PANELS/MODULES ARE TO BE PLACED ON
BOTH SIDES OF A HIP OR VALLEY. WHERE PANELS
ARE TO BE LOCATED ON ONLY ONE SIDE OF A HIP OR
VALLEY THAT IS OF EQUAL LENGTH, THE PANELS
SHALL BE PERMITTED TO BE PLACED DIRECTLY
ADJACENT TO THE HIP OR VALLEY.
IFC 605.11.3.2.4 RESIDENTIAL BUILDING SMOKE
VENTILATION. PANELS/MODULES INSTALLED ON
RESIDENTIAL BUILDINGS SHALL BE LOCATED NO
HIGHER THAN 3 FEET (914 MM) BELOW THE RIDGE IN
ORDER TO ALLOW FOR FIRE DEPARTMENT SMOKE
VENTILATION OPERATIONS.
SITE INFORMATION - WIND SPEED: 90 MPH AND SNOW LOAD: 20 PSF
SR. NO AZIMUTH PITCH NO. OF
MODULES
ARRAY AREA (SQ.
FT.) ROOF TYPE ATTACHMENT
ROOF
EXPOSURE
MAX RAIL
SPAN OVER HANG
MP-01 178° 45° 12 237.9 COMPOSTION
SHINGLE
NANOMOUNT
DECKING ATTIC 4'-0" 1'-6"
3'
3' 3'
4'
AREAS THAT DO NOT REQUIRE THE PLACEMENT
OF GROUND LADDERS OVER OPENINGS SUCH AS
WINDOWS OR DOORS, AND LOCATED AT STRONG
POINTS OF BUILDING CONSTRUCTION WHERE THE
ACCESS POINT DOES NOT CONFLICT WITH
OVERHEAD OBSTRUCTIONS SUCH AS TREES,
WIRES OR SIGNS.
10.PV ARRAY COMBINER/JUNCTION BOX
PROVIDES TRANSITION FROM ARRAY WIRING TO
CONDUIT WIRING
GENERAL NOTES
· ELECTRIC CODE:NEC 2009
· FIRE CODE:IFC 2012
· BUILDING CODE:IBC 2012
· RESIDENTIAL CODE:IRC 2012
APPLICABLE CODES
(N) AC DISCONNECT
(EXTERIOR)
SCOPE OF WORK
GENERAL SYSTEM INFORMATION:
SYSTEM SIZE:
4440W DC, 3800W AC
MODULES:
(12)LG NEON LG370N1K-E6
INVERTER:
(1)SOLAREDGE TECHNOLOGIES
SE3800H-US(240V)
OPTIMIZER:
(12)SOLAREDGE P401 POWER OPTIMIZER
RESIDENCE
ENGINEERING SCOPE OF WORK
1. ILLUMINE INDUSTRIES INC. HAS ONLY PROVIDED DRAFTING SERVICES FOR THE PERMIT DRAWINGS. NO ACTUAL ENGINEERING WORK, ENGINEERING REVIEW OR ENGINEERING APPROVAL HAS BEEN CONDUCTED BY
ILLUMINE
INDUSTRIES INC UNLESS NOTED OTHERWISE.
2. WHEN A PROFESSIONAL ENGINEER APPROVES AND SEALS THE DESIGN FOR COMPONENTS OF THEIR RESPECTIVE DISCIPLINE (STRUCTURAL/ELECTRICAL) SHOWN ON THESE PERMIT DRAWINGS, HE/SHE:
a. TAKES FULL DIRECT CONTROL OF THE ENGINEERED DESIGN
b. IS GIVEN ACCESS TO PERSONALLY SUPERVISE AND RECTIFY ANY ASPECT OF THE ENGINEERED DESIGN
c. HAS FULLY ACCEPTED RESPONSIBILITY FOR THE ENGINEERED DESIGN
PROPERTY LINE
3' FIRE SETBACK
DRIVE WAY
WOLF CREEK CIR
166'-2"
157'-6"
176'
12'
35'-11"
50'
35'-11"
Date Signed 5/5/2022