HomeMy WebLinkAboutPLANS PV System 1755 Dekker Circle 2023-06-2306/19/2023 1104 Industrial Blvd.
Albion, MI 49224
(913) 304-2381
GLS&E Project #: 230530-A
Next Energy Solar
8925 Pieper Rd., Building A, Unit D
Wellington, CO 80549
(970) 900-2003
RE: Structural Roof Evaluation for the Dale Residence: 1755 Dekker Cir., Estes Park, CO 80517
To whom it may concern:
Per your request, I have reviewed the existing structure for the additional loading from the proposed PV
system that is to be installed by Next Energy Solar at the above address. This review includes evaluation
of the existing structure’s ability to handle the additional gravitational loads associated with the new
system.
Evaluation assumptions:
1. The structure is in conformance with the building codes at time of construction.
2. Bracing required by original designer/manufacturer is installed as required.
3. The conditions of the overall roof structure are consistent with those represented in the
initial site inspection photos and as provided by Next Energy Solar in the Site Survey
package.
Evaluation Criteria:
Code: IRC 2015 Edition; ASCE 7-10
Wind speed: 175 mph (3-sec gust)
Risk Category: II
Exposure Category: C
Elevation: 7875 ft
Ground Snow Load: 65 psf
Mean Roof Height: 20 ft
Roof Pitch: 18 degrees
Construction Type: Rafters
Rafter Size, Spacing: 2x4 rafters @ 24” O.C.
Roofing Material: Asphalt Shingles
Number of Panels: 6 (Roof #1), 21 (Roof #2), 22 (Roof #3), & 13 (Roof #4)
Panel Area: 127.98 ft2 (Roof #1), 447.93 ft2 (Roof #2), 469.26 ft2 (Roof #3), & 277.29 ft2 (Roof #4)
06/19/2023
REVIEWED
BY SAFEBUILT
06/23/2023
06/19/2023 1104 Industrial Blvd.
Albion, MI 49224
(913) 304-2381
The addition of the PV system will result in design loads less than 105% of the loads the structure is
currently designed for. The live load can be omitted in the areas where the PV system will be installed as
there will no longer be access. In my professional opinion the existing roof is adequate for carrying the
additional loads associated with the proposed solar array system with the following conditions:
1. Construction shall conform to all pertinent state and local building codes and ordinances.
2. It is recommended that roof attachments alternate between rafters to distribute loads.
3. The engineer-of-record shall be consulted if conditions other than those specified in this
letter are encountered.
4. Attachments shall be Everest K2 Systems Splice Foot XL with M5 x 60mm DIN 571 hex head
lag screws with minimum 2” embedment installed per manufacturer’s specifications with a
maximum spacing of 48” unless permitted in writing by the engineer.
5. All components shall be installed per manufacturer’s specifications.
The solar array will be mounted parallel to the existing roof no more than 6” above the roof surface. Any
change in wind loads to the structure from the panel addition are assumed to be negligible.
Regards,
Dunley M. Stults, PE*
Great Lakes Solar & Engineering, PLLC
1104 Industrial Blvd.
Albion, MI 49224
Colorado License No. 58994
06/19/2023
REVIEWED
BY SAFEBUILT
06/23/2023
06/19/2023 1104 Industrial Blvd.
Albion, MI 49224
(913) 304-2381
Roof Dead Loads (ASCE Table C3-1):
Asphalt Shingles 2 PSF
5/8” Plywood Sheathing 2 PSF
Roof Framing 4 PSF
Solar Panel Array 2.25 PSF
Dead Load Without Panels 8.0 PSF
Dead Load With Panels 10.25 PSF
Roof Live Load:
Existing Roof Live Load 20 PSF
Roof Live Load with Solar Panels 0 PSF
Roof Snow Load (ASCE 7-16):
Ground Snow Load (pg) 65 PSF
Exposure Factor (Ce) 0.9
Thermal Factor (Ct) 1.1
Importance Factor (I) 1.0
Flat Roof Snow Load (Pf) 45.05 PSF
Slippery Surface Slope Factor
(Cs)
0.90
Reduced Roof Snow Load
(Slippery Surface)
40.55 PSF
Load Combinations (ASCE 7-16 Section 2.4.1):
Without Panels With Panels
DL + Lr X X
DL + SL 8.0 psf DL + 45.05 psf SL 8.0 psf DL + point loads from panel DL and SL
06/19/2023
REVIEWED
BY SAFEBUILT
06/23/2023
06/19/2023 1104 Industrial Blvd.
Albion, MI 49224
(913) 304-2381
Wind Calculations Roof #1 (ASCE 7-16) – Conservatively assume Zone 2n for entire array:
GCp Zone 2n (127.98 sq.ft) -1.4 Figure 30.3 (2A-I)
Gcpi 0.18 Table 26.13-1
Kh 0.90 Table 26.10-1
Kht 1 Equation 26.8-1
Kd 0.85 Table 26.6-1
Ke 0.80 Table 26.9-1
qh 45.28 PSF Equation 26.10-1
Design Pressures Equation 30.3-1
Pressure (Zone 2n) -71.54 PSF 9156 LB
Connection Check – Roof #1:
Shear Capacity 215 LBS Manufacturer’s Tables
Uplift Capacity 505 LBS Manufacturer’s Tables
# of Connections Provided 20
Min. Connections Req’d 19
Factor of Safety 1.05
Wind Calculations Roof #2 (ASCE 7-16) – Conservatively assume Zone 2n for entire array:
GCp Zone 2n (447.93 sq.ft) -1.0 Figure 30.3 (2A-I)
Gcpi 0.18 Table 26.13-1
Kh 0.90 Table 26.10-1
Kht 1 Equation 26.8-1
Kd 0.85 Table 26.6-1
Ke 0.80 Table 26.9-1
qh 45.28 PSF Equation 26.10-1
Design Pressures Equation 30.3-1
Pressure (Zone 2n) -53.43 PSF 23935 LB
Connection Check – Roof #2:
Shear Capacity 215 LBS Manufacturer’s Tables
Uplift Capacity 505 LBS Manufacturer’s Tables
# of Connections Provided 83
Min. Connections Req’d 48
Factor of Safety 1.72
06/19/2023
REVIEWED
BY SAFEBUILT
06/23/2023
06/19/2023 1104 Industrial Blvd.
Albion, MI 49224
(913) 304-2381
Wind Calculations Roof #3 (ASCE 7-16) – Conservatively assume Zone 2n for entire array:
GCp Zone 2n (469.26 sq.ft) -1.0 Figure 30.3 (2A-I)
Gcpi 0.18 Table 26.13-1
Kh 0.90 Table 26.10-1
Kht 1 Equation 26.8-1
Kd 0.85 Table 26.6-1
Ke 0.80 Table 26.9-1
qh 45.28 PSF Equation 26.10-1
Design Pressures Equation 30.3-1
Pressure (Zone 2n) -53.43 PSF 25075 LB
Connection Check – Roof #3:
Shear Capacity 215 LBS Manufacturer’s Tables
Uplift Capacity 505 LBS Manufacturer’s Tables
# of Connections Provided 85
Min. Connections Req’d 50
Factor of Safety 1.70
Wind Calculations Roof #4 (ASCE 7-16) – Conservatively assume Zone 2n for entire array:
GCp Zone 2n (277.29 sq.ft) -1.0 Figure 30.3 (2A-I)
Gcpi 0.18 Table 26.13-1
Kh 0.90 Table 26.10-1
Kht 1 Equation 26.8-1
Kd 0.85 Table 26.6-1
Ke 0.80 Table 26.9-1
qh 45.28 PSF Equation 26.10-1
Design Pressures Equation 30.3-1
Pressure (Zone 2n) -53.43 PSF 14816 LB
Connection Check – Roof #4:
Shear Capacity 215 LBS Manufacturer’s Tables
Uplift Capacity 505 LBS Manufacturer’s Tables
# of Connections Provided 30
Min. Connections Req’d 30
Factor of Safety 1.00
06/19/2023
REVIEWED
BY SAFEBUILT
06/23/2023
REV
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ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
SCOPE:22.320 KW DC ROOF MOUNT SOLAR PV
SYSTEM WITH
62 SILFAB SOLAR SIL-360 NX 360W PV
MODULES WITH
31 AP SYSTEM DS3-L MICROINVERTERS
COVER SHEET
AUTHORITIES HAVING JURISDICTION:
BUILDING: ESTES PARK
ZONING: ESTES PARK
UTILITY: ESTES PARK UTILITIES
PV-1
PROJECT DATA GENERAL NOTES VICINITY MAP
SHEET INDEX
CODE REFERENCES
PROJECT
ADDRESS
1755 DEKKER CIRCLE,
ESTES PARK, CO 80517
OWNER:NATHAN DALE
CONTRACTOR:
DESIGNER:ESR
HOUSE PHOTO
PHOTOVOLTAIC ROOF MOUNT SYSTEM
62 MODULES-ROOF MOUNTED - 22.320 kW DC, 23.808 kW AC
1755 DEKKER CIRCLE, ESTES PARK, CO 80517
PV-1 COVER SHEET
PV-2 PLOT PLAN WITH ROOF PLAN
PV-3 ROOF PLAN & MODULES
PV-4 ELECTRICAL PLAN
PV-5 ATTACHMENT DETAIL
PV-6 ELECTRICAL LINE DIAGRAM
PV-7 WIRING CALCULATION
PV-8 LABELS
PV-9 PLACARD
PV-10 MICROINVERTER CHART
PV-11+ EQUIPMENT SPECIFICATIONS
PARCEL ID:0546593
PROJECT TO COMPLY WITH THE FOLLOWING:
2020 NATIONAL ELECTRICAL CODE (NEC)
2015 INTERNATIONAL FIRE CODE (IFC)
2015 INTERNATIONAL BUILDING CODE (IBC)
2015 INTERNATIONAL RESIDENTIAL CODE (IRC)
ARRAY LOCATIONS
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
PROJECT SITE
1.ALL COMPONENTS ARE UL LISTED AND CEC CERTIFIED, WHERE WARRANTED.
2.THE SOLAR PV SYSTEM WILL BE INSTALLED IN ACCORDANCE WITH ARTICLE 690 OF THE NEC 2020.
3.THE UTILITY INTERCONNECTION APPLICATION MUST BE APPROVED AND PV SYSTEM INSPECTED PRIOR TO PARALLEL
OPERATION.
4.ALL CONDUCTORS OF A CIRCUIT, INCLUDING THE EGC, MUST BE INSTALLED IN THE SAME RACEWAY, OR CABLE, OR
OTHERWISE RUN WITH THE PV ARRAY CIRCUIT CONDUCTORS WHEN THEY LEAVE THE VICINITY OF THE PV ARRAY.
5.WHERE METALLIC CONDUIT CONTAINING DC CONDUCTORS IS USED INSIDE THE BUILDING, IT SHALL BE IDENTIFIED AS
"CAUTION: SOLAR CIRCUIT" EVERY 10FT.
6.HEIGHT OF THE AC DISCONNECT SHALL NOT EXCEED 6'-7" PER NEC CODE 240.24.
7.A GROUNDING ELECTRODE SYSTEM IN ACCORDANCE WITH CEC 690.47 AND 250.50 THROUGH 60 AND 250-166 SHALL BE
PROVIDED. PER NEC GROUNDING ELECTRODE SYSTEM OF EXISTING BUILDING MAY BE USED AND BONDED TO THE SERVICE
ENTRANCE. IF EXISTING SYSTEM IS INACCESSIBLE OR INADEQUATE A SUPPLEMENTAL GROUNDING ELECTRODE WILL BE USED
AT THE INVERTER LOCATION CONSISTING OF A UL LISTED 8 FT. GROUND ROD WITH ACORN CLAMP. GROUNDING ELECTRODE
CONDUCTORS SHALL BE NO LESS THAN #8 AWG AND NO LARGER THAN #6 AWG COPPER AND BONDED TO THE EXISTING
GROUNDING ELECTRODE TO PROVIDE FOR A COMPLETE SYSTEM.
8.PHOTOVOLTAIC MODULES ARE TO BE CONSIDERED NON-COMBUSTIBLE.
9.PHOTOVOLTAIC INSTALLATION WILL NOT OBSTRUCT ANY PLUMBING. MECHANICAL, OR BUILDING ROOF VENTS.
10.ALL WIRING MUST BE PROPERLY SUPPORTED BY DEVICES OR MECHANICAL MEANS DESIGNED AND LISTED FOR SUCH USE.
WIRING MUST BE PERMANENTLY AND COMPLETELY HELD OFF THE ROOF SURFACE.
11.ALL SINAGE TO BE PLACED IN ACCORDANCE WITH THE LOCAL BUILDING CODE. IF EXPOSED TO SUNLIGHT, IT SHALL BE UV
RESISTANT. ALL PLAQUES AND SINAGE WILL BE INSTALLED AS REQUIRED BY THE NEC AND AHJ.
12.THE INSTALLATION OF EQUIPMENT AND ALL ASSOCIATED WIRING AND INTERCONNECTION SHALL BE PERFORMED ONLY BY
QUALIFIED PERSONS [NEC 690.4(C)]
13.ALL OUTDOOR EQUIPMENT SHALL BE NEMA 3R RATED (OR BETTER), INCLUDING ALL ROOF MOUNTED TRANSITION BOXES AND
SWITCHES.
14.ALL EQUIPMENT SHALL BE PROPERLY GROUNDED AND BONDED IN ACCORDANCE WITH NEC ARTICLE 250.
15.SYSTEM GROUNDING SHALL BE IN ACCORDANCE WITH NEC 690.41.
16.PV SYSTEM CIRCUITS INSTALLED ON OR IN BUILDINGS SHALL INCLUDE A RAPID SHUTDOWN FUNCTION IN ACCORDANCE WITH
NEC 690.12
17.DISCONNECTING MEANS SHALL BE LOCATED IN A VISIBLE, READILY ACCESSIBLE LOCATION WITHIN THE PV SYSTEM
EQUIPMENT OR A MAXIMUM OF 10 FEET AWAY FROM THE SYSTEM [NEC 690.13(A)]
18.ALL WIRING METHODS SHALL BE IN ACCORDANCE WITH NEC 690.31
19.WORK CLEARANCES AROUND ELECTRICAL EQUIPMENT WILL BE MAINTAINED PER NEC 110.26(A)(1), 110.26(A)(2) AND 110.26(A)(3).
20.ROOFTOP MOUNTED PHOTOVOLTAIC PANELS AND MODULES SHALL BE TESTED, LISTED & IDENTIFIED IN ACCORDANCE WITH
UL1703
21.ELECTRICAL CONTRACTOR TO PROVIDE CONDUIT EXPANSION JOINTS AND ANCHOR CONDUIT RUNS AS REQUIRED PER NEC.
22.MODULE DOES NOT EXCEED THE SLOPE OF ROOF B
06/19/2023
SEAL LIMITED TO
STRUCTURAL
COMPONENTS
SAFEbuilt
APPROVED
Subject to inspection and
compliance to all relevant
Adopted Building and Municipal
codes.
Changes in Plans MUST be
approved.
D.GRAHAM
06/23/2023
I-CODES 2015
23-ep-00275
PRINT PLANS IN
COLOR AND HAVE
FOR INSPECTOR AT
TIME OF INSPECTION INSTALLATION INSTRUCTIONS AND MANUALS MUST BE ON
JOB FOR THE INSPECTOR AT THE TIME OF INSPECTION FOR
ALL EQUIPMENT.
APPROVAL IS FOR STRUCTURAL
REVIEW ONLY.
ELECTRICAL INSPECTIONS TO BE
PER THE STATE OF COLORADO.
164'-85"
29
4
'
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"
15
6
'
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8
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23
2
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1 PLOT PLAN WITH ROOF PLAN
SCALE: 1"=30'-0"PV-2
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ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
PROJECT DESCRIPTION:
62 x SILFAB SOLAR SIL-360 NX 360W PV MODULES
ROOF MOUNTED SOLAR PHOTOVOLTAIC MODULES
DC SYSTEM SIZE: 22.320kW DC
AC SYSTEM SIZE: 23.808kW AC
PLOT PLAN WITH
ROOF PLAN
PV-2
EQUIPMENT SUMMARY
62 SILFAB SOLAR SIL-360 NX 360W MONO MODULES
31 AP SYSTEM DS3-L MICROINVERTERS
(E) FENCE
ROOF #4
(6) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
ROOF #1
(11) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
ROOF ARRAY AREA #1:- 217.14 SQ FT.
ROOF ARRAY AREA #2:- 414.54 SQ FT.
ROOF ARRAY AREA #3:- 355.32 SQ FT.
ROOF ARRAY AREA #4:- 118.44 SQ FT.
ROOF ARRAY AREA #5:- 118.44 SQ FT.
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ROOF #2
(21) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
ROOF #3
(18) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
(E) UTILITY METER/MAIN COMBO
(ON POLE)
PE
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ROOF #5
(6) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
B
06/19/2023
SEAL LIMITED TO
STRUCTURAL
COMPONENTS
REVIEWED
BY SAFEBUILT
06/23/2023
2
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MODULE TYPE, DIMENSIONS & WEIGHT
1 ROOF PLAN & MODULES
PV-3 SCALE: 3/32" = 1'-0"
ROOF PLAN &
MODULES
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ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
NUMBER OF MODULES = 62 MODULES
MODULE TYPE = SILFAB SOLAR SIL-360 NX 360W MONO MODULES
MODULE WEIGHT = 44 LBS / 20.0KG.
MODULE DIMENSIONS = 72.13" x 39.4" = 19.74 SF
SILFAB SOLAR
SIL-360 NX 360W
MODULES
72
.
1
3
"
39.4"
PV-3
MSP - MAIN SERVICE PANEL
- VENT, ATTIC FAN
(ROOF OBSTRUCTION)
- ROOF ATTACHMENT
- TRUSS
LEGEND
ROOF DESCRIPTION
ROOF TYPE COMP. SHINGLE
ROOF ROOF
PITCH AZIMUTH TRUSS
SIZE
TRUSS
SPACING
#1 18°232°2"X4"24"
#2 18°142°2"X4"24"
#3 18°232°2"X4"24"
#4 18°142°2"X4"24"
#5 18°322°2"X4"24"
ARRAY AREA & ROOF AREA CALC'S
ROOF # OF
MODULES
ARRAY
AREA
(Sq. Ft.)
ROOF
AREA
(Sq. Ft.)
ROOF
AREA
COVERED BY
ARRAY (%)
#1 11 217.14 607.28 36
#2 21 414.54 770.83 54
#3 18 355.32 804.47 44
#4 6 118.44 421.47 28
#5 6 118.44 421.47 28
TOTAL 62 1223.88 4691.09 26
UM - UTILITY METER
(195) EVEREST K2 SPLICE
FOOT XL ATTACMENTS
(N) UNIRAC
SOLARMOUNT RAIL
36"
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3
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ROOF #4
(6) SILFAB SOLAR SIL-360
NX 360W MONO
MODULES WITH AP
SYSTEM
ROOF #1
(11) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
(E) MAIN SERVICE PANEL
ROOF #2
(21) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
ROOF #3
(18) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
(E) UTILITY METER/MAIN COMBO
(ON POLE)
MSD
- MAIN SERVICE
DISCONNECT
36
"
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ROOF #5
(6) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES WITH AP SYSTEM
ROO
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5
PITC
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AZIM
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B
36"
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PITC
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06/19/2023
SEAL LIMITED TO
STRUCTURAL
COMPONENTS
REVIEWED
BY SAFEBUILT
06/23/2023
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1 ELECTRICAL PLAN
PV-4 SCALE: 3/32" = 1'-0"
ELECTRICAL
PLAN
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ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
PV-4
BILL OF MATERIALS
EQUIPMENT QTY DESCRIPTION
SOLAR PV MODULES 62 SILFAB SOLAR SIL-360 NX 360W
MICRO INVERTERS 31 AP SYSTEM DS3-L MICROINVERTERS
JUNCTION BOXES 5 JUNCTION BOXES
RAILS 45 UNIRAC SOLARMOUNT RAIL
SPLICE 24 SPLICE KIT
MODULE CLAMPS 88 MID MODULE CLAMPS
END CLAMPS 72 END CLAMPS / STOPPER SLEEVE
ATTACHMENTS 195 EVEREST K2 SPLICE FOOT XL ATTACMENTS
- JUNCTION BOXJB
UM
MSP
- UTILITY METER
- MAIN SERVICE PANEL
- CONDUIT
ACD - AC DISCONNECT
- COMBINER PANELCP
- DS3-L MICROINVERTER
LEGEND
(N) CONDUIT RUN
(N) JUNCTION BOX (TYP.)
(31) AP SYSTEM DS3-L MICROINVERTERS
UNDER EVERY 2ND MODULE
CIRCUIT #2
(10 MODULES)
CIRCUIT #3
(10 MODULES)
CIRCUIT #1
(10 MODULES)
(E) UTILITY METER/MAIN COMBO
(ON POLE)
(N) FUSED AC DISCONNECT
(N) COMBINER PANEL
(E) MAIN SERVICE PANEL
CIRCUIT #4
(8 MODULES)
CIRCUIT #5
(8 MODULES)
CIRCUIT #5
CIRCUIT #6
CIRCUIT #1
CIRCUIT #2
CIRCUIT #3
CIRCUIT #4
CIRCUIT LEGENDS
CIRCUIT #7
CIRCUIT #7
(8 MODULES)
CIRCUIT #6
(8 MODULES)
MSD - MAIN SERVICE
DISCONNECT
B
REVIEWED
BY SAFEBUILT
06/23/2023
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
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1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
ATTACHMENT
DETAIL
PV-52ATTACHMENT DETAIL (ENLARGED VIEW)
PV-5
1 ATTACHMENT DETAIL (SIDE VIEW)
PV-5
SCALE: N.T.S.
SCALE: N.T.S.
SEE (2/PV-5) FOR
ENLARGED VIEW
PV MODULE
(E) COMP. SHINGLE ROOF2"X4" TRUSS @ 24 " O.C.
PV MODULE
GROUNDING END/MID CLAMP
(E) COMP. SHINGLE ROOF
2"X4" TRUSS @ 24" O.C.
M5 X 60MM DIN 571, METRIC, HEX
HEAD LAG SCREW BOLTS, A2
STAINLESS STEEL WITH MIN. 2"
PENETRATION INTO SUPPORT
EVEREST K2 SYSTEMS
SPLICE FOOT XL ATTACHMENTS
6
"
UNIRAC SOLARMOUNT RAIL
06/19/2023
SEAL LIMITED TO
STRUCTURAL
COMPONENTS
REVIEWED
BY SAFEBUILT
06/23/2023
LOAD
LINE
G
125A
Fuses
PV FUSE AC
DISCONNECT
240V, 1ɸ, 3W
200A RATED
NEMA 3R
BRANCH
TERMINATOR
(ET-TERM)
-+
2
-+
1
-+-+-+
BRANCH #5
-+
2
-+
1
-+-+-+
BRANCH #6
L1
L2
G G
L1
L2
L1
L2
20A/2P
20A/2P
COMBINER PANEL,
200A, 120/240V, 3W,
NEMA 3R, UL LISTED
+-
+-JUNCTION BOX,
600V, NEMA 3R,
UL LISTED
20A/2P
===
===
21
BRANCH #7
8765
-+-+-+-+-++-
===
-+
2
-+
1
-+-+-+
BRANCH #3
-+
2
-+
1
-+-+-+
BRANCH #4
+-
+-
10987
===
===
AP SYSTEM DS3-L
MICROINVERTERS
20A/2P
20A/2P
L1
L2
L1
L2
1
2
3
L1
L2
G
VISIBLE, LOCKABLE,
LABELED AC DISCONNECT
LOCATED WITHIN 10'
OF INTERCONNECTION
-+
2
-+
1
-+-+-+
BRANCH #2
+-
10987
===
(62) SILFAB SOLAR SIL-360 NX 360W
MONO MODULES
20A/2P
L1
L2
L1
L2
4
E
G
N
NL2L1
M
EXISTING GROUNDING
ELECTRODE SYSTEM TO
EARTH REF. NEC 250.52,
250.53(A)
LOAD SIDE
INTERCONNECTION AT
MAIN SERVICE PANEL
PER ART. 705.12
GEC
G
N
(E) MAIN BREAKER TO
HOUSE 240V, 200A/2P
(E) MAIN SERVICE
PANEL, 200A RATED, 240V
(E) MAIN SERVICE
DISCONNECT,200A
RATED, 240V
(E) MAIN BREAKER TO
HOUSE 240V, 200A/2P
L1 L2 N G
BI-DIRECTIONAL
UTILITY METER
120/240V 1ɸ, 3-W
8765
8765
8765
L1
L2
-+
2
-+
1
-+-+-+
BRANCH #1
+-
10987
===
20A/2P
G
LOAD SIDE CONNECTION
2020 NEC 705.12(B)(1)(a) /
705.12(B)(1)(b)
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
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8
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1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
ELECTRICAL LINE
DIAGRAM
1 ELECTRICAL LINE DIAGRAM
PV-6 SCALE: NTS
PV-6
1
2
3
4
QTY CONDUCTOR INFORMATION CONDUIT TYPE CONDUIT SIZE
CU#12AWG -PV WIRE/USE-2 N/A N/A(1)CU#6AWG -BARE COPPER IN FREE AIR
(14)CU#12AWG -THHN (L1,L2)NMB IN ATTIC 3/4"(1)CU#12AWG -THHN GND
(2)THHN (L1,L2)EMT, LFNC, NMB OR LFMC(1)THHN GND
(2)THHN (L1,L2)EMT, LFNC, NMB OR LFMC
CU#6AWG -
DC SYSTEM SIZE: 22.320 kW DC
AC SYSTEM SIZE: 23.808 kW AC
(62) SILFAB SOLAR SIL-360 NX 360W MONO MODULES
WITH (31) AP SYSTEM DS3-L MICROINVERTERS
(3) BRANCH CIRCUITS OF 10 MODULES & 5 MICROINVERTERS AND
(4) BRANCH CIRCUITS OF 8 MODULES & 4 MICROINVERTERS ARE
CONNECTED IN PARALLEL
1-1/4"
1-1/4"
NOTE WIRE SCHEDULE CALLOUT
(E) IS EXISTING SYSTEM
(14)
CU#1AWG -
CU#1AWG -NOTE: ALL CONDUCTOR SIZES CAN BE SHOWN AS
IN THE TABLE OR CODE APPROVED EQUIVALENT
#12/2 ROMEX
IN ATTIC
(1)THHN GNDCU#6AWG -
INTERCONNECTION NOTES:
1. INTERCONNECTION SIZING, LIMITATIONS AND COMPLIANCE
DETERMINED IN ACCORDANCE WITH [NEC 705.12], AND [NEC 690.64].
2. GROUND FAULT PROTECTION IN ACCORDANCE WITH [NEC 215.9],
[NEC 230.95] AND [NEC 690.5]
3. ALL EQUIPMENT TO BE RATED FOR BACKFEEDING.
4. PV BREAKER TO BE POSITIONED AT THE OPPOSITE END OF THE
BUSBAR RELATIVE TO THE MAIN BREAKER.
DISCONNECT NOTES:
1. DISCONNECTING SWITCHES SHALL BE WIRED SUCH THAT WHEN
THE SWITCH IS OPENED THE CONDUCTORS REMAINING LIVE ARE
CONNECTED TO THE TERMINALS MARKED “LINE SIDE” (TYPICALLY
THE UPPER TERMINALS)
2. AC DISCONNECT MUST BE ACCESSIBLE TO QUALIFIED UTILITY
PERSONNEL, BE LOCKABLE, AND BE A VISIBLE-BREAK SWITCH
GROUNDING & GENERAL NOTES:
1. A SECOND FACILITY GROUNDING ELECTRODE IS NOT REQUIRED PER [NEC
690.47(C)(3)]
2. PV INVERTER IS UNGROUNDED, TRANSFORMER-LESS TYPE.
3. DC GEC AND AC EGC TO REMAIN UNSPLICED, OR SPLICED TO EXISTING
ELECTRODE
4. ANY EXISTING WIRING INVOLVED WITH PV SYSTEM CONNECTION THAT IS
FOUND TO BE INADEQUATE PER CODE SHALL BE CORRECTED PRIOR TO FINAL
INSPECTION.
5. JUNCTION BOX QUANTITIES, AND PLACEMENT SUBJECT TO CHANGE IN THE
FIELD - JUNCTION BOXES DEPICTED ON ELECTRICAL DIAGRAM REPRESENT WIRE
TYPE TRANSITIONS.
6. AC DISCONNECT NOTED IN EQUIPMENT SCHEDULE OPTIONAL IF OTHER
AC DISCONNECTING MEANS IS LOCATED WITHIN 10' OF SERVICE DISCONNECT.
7. RACEWAYS AND CABLES EXPOSED TO SUNLIGHT ON ROOFTOPS SHOULD BE
INSTALLED MORE THAN 7/8" ABOVE THE ROOF USING CONDUIT SUPPORTS.
8. ALL NEW SERVICE INSTALLATIONS AND REPLACEMENTS REQUIRE A
SURGE-PROTECTIVE DEVICE (SPD) IN ACCORDANCE WITH [NEC 230.67]. THE
SPD SHALL BE TYPE 1 OR TYPE 2 AND IS REQUIRED TO BE AN INTEGRAL PART OF
THE SERVICE EQUIPMENT OR LOCATED IMMEDIATELY ADJACENT THERETO.
RACKING NOTES:
1. BOND EVERY OTHER RAIL WITH #6 BARE COPPER
ELECTRICAL INSPECTIONS AND PLAN REVIEWS (IF REQUIRED)
PER THE STATE OF COLORADO.
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
H
A
N
D
A
L
E
RE
S
I
D
E
N
C
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17
5
5
DE
K
K
E
R
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C
L
E
,
ES
T
E
S
P
A
R
K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
WIRING
CALCULATIONS
PERCENT OF
VALUES
NUMBER OF CURRENT
CARRYING CONDUCTORS IN EMT
.80 4-6
.70 7-9
.50 10-20
AMBIENT TEMPERATURE SPECS
RECORD LOW TEMP -27°
AMBIENT TEMP (HIGH TEMP 2%)24°
CONDUCTOR TEMPERATURE RATE 90°
MODULE TEMPERATURE COEFFICIENT OF Voc -0.28%/°C
SOLAR MODULE SPECIFICATIONS
MANUFACTURER / MODEL #SILFAB SOLAR SIL-360 NX 360W MODULE
VMP 37.11V
IMP 9.70A
VOC 45.40V
ISC 10.20A
TEMP. COEFF. VOC -0.28%/°C
MODULE DIMENSION 72.13"L x 39.4"W x 1.5"D (In Inch)
PV-7
ELECTRICAL NOTES
1.ALL EQUIPMENT TO BE LISTED BY UL OR OTHER NRTL, AND LABELED FOR ITS APPLICATION.
2.ALL CONDUCTORS SHALL BE COPPER, RATED FOR 600 V AND 90 DEGREE C WET ENVIRONMENT.
3.WIRING, CONDUIT, AND RACEWAYS MOUNTED ON ROOFTOPS SHALL BE ROUTED DIRECTLY TO, AND LOCATED AS CLOSE AS POSSIBLE TO THE NEAREST RIDGE, HIP, OR VALLEY.
4.WORKING CLEARANCES AROUND ALL NEW AND EXISTING ELECTRICAL EQUIPMENT SHALL COMPLY WITH NEC 110.26.
5.DRAWINGS INDICATE THE GENERAL ARRANGEMENT OF SYSTEMS. CONTRACTOR SHALL FURNISH ALL NECESSARY OUTLETS, SUPPORTS, FITTINGS AND ACCESSORIES TO FULFILL APPLICABLE CODES AND STANDARDS.
6.WHERE SIZES OF SOLADECK, RACEWAYS, AND CONDUITS ARE NOT SPECIFIED, THE CONTRACTOR SHALL SIZE THEM ACCORDINGLY.
7.ALL WIRE TERMINATIONS SHALL BE APPROPRIATELY LABELED AND READILY VISIBLE.
8.MODULE GROUNDING CLIPS TO BE INSTALLED BETWEEN MODULE FRAME AND MODULE SUPPORT RAIL, PER THE GROUNDING CLIP MANUFACTURER'S INSTRUCTION.
9.MODULE SUPPORT RAIL TO BE BONDED TO CONTINUOUS COPPER G.E.C. VIA WEEB LUG OR ILSCO GBL-4DBT LAY-IN LUG.
10.TEMPERATURE RATINGS OF ALL CONDUCTORS, TERMINATIONS, BREAKERS, OR OTHER DEVICES ASSOCIATED WITH THE SOLAR PV SYSTEM SHALL BE RATED FOR AT LEAST 75 DEGREE C.
INVERTER SPECIFICATIONS
MANUFACTURER / MODEL #AP SYSTEM DS3-L
MICROINVERTER
NOMINAL AC POWER 0.768 KW
NOMINAL OUTPUT VOLTAGE 240 VAC
NOMINAL OUTPUT CURRENT 3.20A
ELECTRICAL INSPECTIONS AND PLAN REVIEWS (IF REQUIRED)
PER THE STATE OF COLORADO.
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
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A
N
D
A
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S
I
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5
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E
,
ES
T
E
S
P
A
R
K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
LABELS
PV-8
TERMINALS ON THE LINE AND LOAD SIDES MAY
BE ENERGIZED IN THE OPEN POSITION
WARNING!
ELECTRICAL SHOCK HAZARD
LABEL LOCATION:
AC DISCONNECT
COMBINER
MAIN SERVICE PANEL
SUBPANEL
MAIN SERVICE DISCONNECT
CODE REF: NEC 690.13(B)
LABEL- 1:
!WARNING DUAL POWER SOURCE
SECOND SOURCE IS PHOTOVOLTAIC SYSTEM
LABEL LOCATION:
UTILITY METER
MAIN SERVICE PANEL
SUBPANEL
CODE REF: NEC 705.12(D)(3) & NEC 690.59
LABEL- 2:
TURN OFF PHOTOVOLTAIC AC
DISCONNECT PRIOR TO
WORKING INSIDE PANEL
WARNING!
LABEL LOCATION:
MAIN SERVICE PANEL
SUBPANEL
MAIN SERVICE DISCONNECT
COMBINER
CODE REF: NEC 110.27(C) & OSHA 1910.145 (f) (7)
LABEL- 3:
LABEL LOCATION:
MAIN SERVICE PANEL (ONLY IF SOLAR IS BACK-FED)
SUBPANEL (ONLY IF SOLAR IS BACK-FED)
CODE REF: NEC 690.13 (F), NEC 705.12(B) (3-4) & NEC 690.59
LABEL- 4:
CAUTION!
PHOTOVOLTAIC SYSTEM CIRCUIT IS
BACKFEED
LABEL LOCATION:
MAIN SERVICE PANEL (ONLY IF SOLAR IS BACK-FED)
SUBPANEL (ONLY IF SOLAR IS BACK-FED)
CODE REF: NEC 705.12(B)(2)(c)
LABEL- 5:
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
LABEL LOCATION:
AC DISCONNECT
CODE REF: IFC 605.11.3.1(1) & NEC 690.56(C)(1)(a)
LABEL- 6:
RAPID SHUTDOWN SWITCH
FOR SOLAR PV SYSTEM
LABEL LOCATION:
AC DISCONNECT
CODE REF: NEC 690.13(B)
LABEL- 7:
LABEL- 8:
LABEL LOCATION:
MAIN SERVICE PANEL
SUBPANEL
AC DISCONNECT
CODE REF: NEC 690.13(B)
PHOTOVOLTAIC
AC DISCONNECT
NOMINAL OPERATING AC VOLATGE 240 V
WARNING
POWER SOURCE OUTPUT
CONNECTION. DO NOT
RELOCATE THIS
OVERCURRENT DEVICE
!
RATED AC OUTPUT CURRENT 99.20 A
LABEL LOCATION:
UTILITY METER
LABEL- 14:
LABEL LOCATION:
AC DISCONNECT
CODE REF: NEC 690.13(B)
LABEL- 13:
CAUTION: SOLAR ELECTRIC
SYSTEM CONNECTED
PV SYSTEM
DISCONNECT
REVIEWED
BY SAFEBUILT
06/23/2023
C
P
A
C
D
M
S
P
U
M
M
S
D
JB
JB
JB
JB JB
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
H
A
N
D
A
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E
RE
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I
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C
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5
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,
ES
T
E
S
P
A
R
K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
PLACARD
1755 DEKKER CIRCLE, ESTES PARK, CO 80517
PV-9
DIRECTORY
PERMANENT PLAQUE OR DIRECTORY PROVIDING THE LOCATION OF THE
SERVICE DISCONNECTING MEANS AND THE PHOTOVOLTAIC SYSTEM.
(ALL PLAQUES AND SIGNAGE WILL BE INSTALLED AS OUTLINED WITHIN:
NEC 690.56(A)(B), [NEC 705.10])
NOTE: PLACARD MAYNOT BE DISPLAYED UNLESS REQUIRED BY UTILITY
COMPANY
LABELING NOTES:
1. LABELS CALLED OUT ACCORDING TO ALL COMMON CONFIGURATIONS. ELECTRICIAN TO DETERMINE EXACT
REQUIREMENTS IN THE FIELD PER CURRENT NEC AND LOCAL CODES AND MAKE APPROPRIATE ADJUSTMENTS.
2. LABELING REQUIREMENTS BASED ON THE 2020 NATIONAL ELECTRIC CODE, OSHA STANDARD 19010.145, ANSI Z535.
3. MATERIAL BASED ON THE REQUIREMENTS OF THE AUTHORITY HAVING JURISDICTION.
4. LABELS TO BE OF SUFFICIENT DURABILITY TO WITHSTAND THE ENVIRONMENT INVOLVED [NEC 110.21]
5. LABELS TO BE A MINIMUM LETTER HEIGHT OF 3/8", WHITE ON RED BACKGROUND; REFLECTIVE, AND PERMANENTLY
AFFIXED [IFC 605.11.1.1]
(N) PV ARRAY
MULTIPLE SOURCES OF POWER
CAUTION:
(N) JUNCTION BOX (TYP.)
(E) UTILITY METER/MAIN COMBO
(ON POLE)
(N) AC
DISCONNECT
(N) COMBINER
PANEL
(E) MAIN
SERVICE PANEL
REVIEWED
BY SAFEBUILT
06/23/2023
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
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,
ES
T
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P
A
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K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
MICRO INVERTER
CHART
MICRO INVERTER CHART
1-10
2
3
4
11-20 21-30 31-40 41-50 51-60
5
61-70
6
7
8
9
10
1
PV-10
REVIEWED
BY SAFEBUILT
06/23/2023
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
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N
D
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17
5
5
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,
ES
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P
A
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K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
EQUIPMENT
SPECIFICATION
PV-11
REVIEWED
BY SAFEBUILT
06/23/2023
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
H
A
N
D
A
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E
RE
S
I
D
E
N
C
E
17
5
5
DE
K
K
E
R
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I
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C
L
E
,
ES
T
E
S
P
A
R
K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
EQUIPMENT
SPECIFICATION
PV-12
REVIEWED
BY SAFEBUILT
06/23/2023
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
H
A
N
D
A
L
E
RE
S
I
D
E
N
C
E
17
5
5
DE
K
K
E
R
C
I
R
C
L
E
,
ES
T
E
S
P
A
R
K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
EQUIPMENT
SPECIFICATION
PV-13
REVIEWED
BY SAFEBUILT
06/23/2023
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
H
A
N
D
A
L
E
RE
S
I
D
E
N
C
E
17
5
5
DE
K
K
E
R
C
I
R
C
L
E
,
ES
T
E
S
P
A
R
K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
EQUIPMENT
SPECIFICATION
PV-14
REVIEWED
BY SAFEBUILT
06/23/2023
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
NA
T
H
A
N
D
A
L
E
RE
S
I
D
E
N
C
E
17
5
5
DE
K
K
E
R
C
I
R
C
L
E
,
ES
T
E
S
P
A
R
K
,
CO
8
0
5
1
7
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME & ADDRESS
DATE:04/18/2023
DRAWN BY
ESR
NEXT ENERGY SOLAR
8925 PIEPER RD
BUILDING A UNIT D
WELLINGTON, CO 80549
(970)900-2003
A04/20/2023REVISION
B06/08/2023CITY COMMENTS
C06/09/2023PANELS RATING
EQUIPMENT
SPECIFICATION
PV-15
REVIEWED
BY SAFEBUILT
06/23/2023