HomeMy WebLinkAboutPLANS 568 Darcy Dr Solar PV System 2020-10-15
Tuesday, September 29, 2020
Town of Estes Park
170 MacGregor Ave
Estes Park, CO 80517
re: Structural Analysis of project 568 Darcy Dr, Estes Park, CO 80517
Dear Sir or Madam,
We have evaluated the solar racking and connections to the roof for the photovoltaic array to be installed using
the engineering design factors below.
ultimate wind speed V = 175 mph
wind exposure category = C
roof snow load = 70 psf
The PV system shall be flush mounted with no overhang. Attachments to the roof are to be spaced no more than
4’ O.C. Using the assumed engineering loads, we have determined that the design strength of all connections in
the solar racking system will be sufficient for this application.
The structural supporting members for the roof are 2x6” trusses 24” O.C. The roof framing has been determined
to be adequate for the required loads.
We do not assume responsibility for any construction flaws that currently exist or caused by other work trades.
Sincerely,
Anthony P. Boniface, PE
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15
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MSP HOUSE PHOTO
VICINITY MAP
SCALE: NTS
SCALE: NTS
SITE PLAN &
VICINITY MAP
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PH# (303) 443-0115
1 SITE PLAN WITH VICINITY MAP
SCALE: 1/16" = 1'-0"PV-1
PHOTOVOLTAIC ROOF MOUNT SYSTEM
PROJECT SITE
2
PV-1
3
PV-1
25 x 400 SUNPOWER SPR-A400-G-AC (400W) MODULES
ROOF MOUNTED SOLAR PHOTOVOLTAIC SYSTEMS
PROJECT DESCRIPTION:ARRAY
LOCATION
GOVERNING CODES:
2018 INTERNATIONAL BUILDING CODE
2018 INTERNATIONAL RESIDENTIAL CODE
2018 INTERNATIONAL FUEL GAS CODE
2018 INTERNATIONAL MECHANICAL CODE
2018 INTERNATIONAL PLUMBING CODE
2018 INTERNATIONAL EXISTING BUILDING CODE
2018 INTERNATIONAL ENERGY CONSERVATION CODE
2020 NATIONAL ELECTRIC CODE
SHEET INDEX
PV-1 SITE PLAN WITH VICINITY MAP
PV-2 ROOF PLAN & MODULES
PV-3 STRING LAYOUT
PV-3.1 RACKING DETAIL
PV-4 ATTACHMENT DETAIL
PV-5 ELECTRICAL LINE DIAGRAM
PV-6 WIRING CALCULATIONS
PV-7 PLACARDS
PV-8 SAFETY PLAN
PV-9-12 EQUIPMENT SPECIFICATIONS
AHJ: TOWN OF ESTES PARK
UTILITY:ESTES PARK
ATTIC: YES
DESIGN SPECIFICATIONS
EXPOSURE CATEGORY = B
WIND SPEED = 175MPH
GROUND SNOW LOAD = 70 PSF
SYSTEM SIZE: 10.00 kW DC STC
ARRAY AREA #1: 501.50 SQ FT
(E) MAIN SERVICE PANEL
(INSIDE GARAGE)
ROOF #1
(25) SUNPOWER SPR-A400-G-AC
(400W) MODULES
DRIVEWAY
PROPER
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MAIN HOUSE
PROPERTY LINE
GARAGE
DARCY D
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UM
ACD
ACD MSP
JB
SLC
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PROJECT NAME
PV-2
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1
PV-2 SCALE: 3/32" = 1'-0"
ROOF PLAN &
MODULES
SUNPOWER
SPR-A400-G-AC
(400W) MODULES
NOTE TO INSTALLER:
FIELD ADJUSTMENTS CAN BE MADE TO THE LAYOUT OF THE ARRAY
ROOF PLAN AND MODULES ROOF LAYOUT NOTE
SOLAR PANEL LAYOUT IS CONCEPTUAL, BUT AS PROVIDED, CONFORMS WITH THE REQUIREMENTS
SET IN SHEET PV-2 CONTRACTOR MAY ADJUST PANEL LOCATION.
72
.
2
"
40"
LEGEND
- JUNCTION BOXJB
MSP - MAIN SERVICE PANEL
- TRUSSES
- CONDUIT
UM - UTILITY METER
- VENT, (ROOF
OBSTRUCTIONS)
MODULE TYPE, DIMENSIONS & WEIGHT
NUMBER OF MODULES = 25 MODULES
MODULE TYPE = SUNPOWER SPR-A400-G-AC (400W) MODULES
MODULE WEIGHT = 46.5LBS/21.1KG.
MODULE DIMENSIONS = 72.2"x 40" = 20.06 SF
UNIT WEIGHT OF ARRAY = 2.32PSF
SLC -AC PV LOAD CENTER
ROOF DESCRIPTION
ROOF TYPE COMPOSITION SHINGLES
ROOF ROOF
TILT AZIMUTH TRUSSES SIZE TRUSSES
SPACING
#1 20°178°2"X6"24" O.C.
ARRAY AREA & ROOF AREA CALC'S
ROOF # OF
MODULES
ARRAY AREA
(Sq. Ft.)
ROOF
AREA
(Sq. Ft.)
ROOF
AREA
COVERED BY
ARRAY (%)
#1 25 501.50 1000.17 50.14
(N) PV JUNCTION BOX
ROOF #1
(25) SUNPOWER SPR-A400-G-AC
(400W) MODULES
(E) MAIN SERVICE PANEL (INSIDE GARAGE)
(E) UTILITY METER
(N) AC PV LOAD CENTER
(N) PV ROOF ATTACHMENT
@ 48" O.C. MAX.
(N) PV RAIL TYP.
(N) RAIL SPLICE (TYP.)
ROOF # 1
TILT - 20°
AZIM. - 178°
(N) NON-FUSED AC DISCONNECT
(N) FUSED AC DISCONNECT
BACK OF RESIDENCE
FRONT OF RESIDENCE
DARCY DR
ACD -FUSED AC DISCONNECT
ACD -NON-FUSED AC DISCONNECT
(E) POLE
1 STRING LAYOUT
PV-3 SCALE: 1/8" = 1'-0"
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DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-3
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1501 LEE HILL DR
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PH# (303) 443-0115
STRING
LAYOUT
DISCLAIMER: MATERIALS REQUIRED LIST FOR CONCEPTUAL USE ONLY THE
INTENT IS TO AID CONTRACTOR FOR ORDERING REQUIRED MATERIALS FOR
THE PROJECT. CONTRACTOR RESPONSIBLE TO VERIFY PRIOR TO SOLAR
EQUIPMENT ORDERING
CIRCUIT #2-8 MODULES
BACK OF RESIDENCE
FRONT OF RESIDENCE
DARCY DR
CIRCUIT #3-8 MODULES
CIRCUIT #1-9 MODULES
BILL OF MATERIALS
EQUIPMENT QTY DESCRIPTION
SOLAR PV MODULE 25 SUNPOWER SPR-A400-G-AC (400W) MODULES
AC DISCONNECT 1 60A FUSED,(2) 50A FUSES,240V NEMA 3R, UL LISTED
AC DISCONNECT 1 60A NON-FUSED, 240V NEMA 3R, UL LISTED
ATTACHMENT 48 ECOFASTEN GF1 L-COMP
RAILS 18 INVISIMOUNT RAIL-129.125" SECTION
RAIL SPLICE 12 SPLICE KIT
MID CLAMPS 42 MID CLAMPS / UFO
END CLAMPS 16 END CLAMPS / STOPPER SLEEVE
GROUNDING LUG 4 INVISIMOUNT GROUNDING LUG
3"
10'-9"10'-9"5'-9"8'-1"
3'
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24
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4
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5"
1 RACKING DIAGRAM
PV-3.1 SCALE: 3/16" = 1'-0"
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PROJECT NAME
PV-3.1
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10/15/2020INITIAL DESIGN 00
1501 LEE HILL DR
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PH# (303) 443-0115
RACKING
DETAILS
(N) RAIL SPLICE (TYP.)
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PROJECT NAME
PV-4
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1501 LEE HILL DR
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PH# (303) 443-0115
ATTACHMENT
DETAILS
SUNPOWER INVISIMOUNT
RACKING SYSTEM
PV MODULE GROUNDING END/MID CLAMP
GF1-ECOFASTEN
L-FOOT
SEE (2/PV-4)
FOR ENLARGED
VIEW
ECOFASTEN FLASHING
COMPOSITION
SHINGLES ROOF
5/16" X 4" GRK
2-1/2" THREAD EMBEDMENT
SEALED WITH GEOCELL (OR EQUIV.)
5/16" X 3-1/2" SS LAG BOLT MINIMUM
2-1/2" THREAD EMBEDMENT
SEALED WITH GEOCELL (OR EQUIV.)
ATTACHMENT DETAIL (ENLARGED VIEW)
SCALE: NTS
ATTACHMENT DETAIL
SCALE: NTS
ATTACHMENT DETAIL1
PV-4 SCALE: NTS
ATTACHMENT DETAIL (ENLARGED VIEW)
SCALE: NTS
2
PV-4
COMP ROOF DETAIL
2"X6"
TRUS
S
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@ 24" OC.
2"X6"
TRUS
S
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@ 24" OC.
PV MODULES
SUNPOWER INVISIMOUNT RAIL TYP.
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DATEDESCRIPTION
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PROJECT NAME
PV-5
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1501 LEE HILL DR
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PH# (303) 443-0115
ELECTRICAL
LINE DIAGRAM
ELECTRICAL LINE DIAGRAM1
PV-5 SCALE: NTS
(25)SUNPOWER SPR-A400-G-AC (400W) MODULES
(1) CIRCUIT OF 9 MODULES
(2) CIRCUITS OF 8 MODULES
(CONNECTED IN PARALLEL PER STRING)
SYSTEM SIZE: 10.00 kW DC STC
NOTE:
PV WIRE CAN NOT BE IN SAME CONDUIT
AT ANY OTHER LOAD (690.31)
WIRE/CONDUITE SCHEDULE
TAG #Description Conduit
type/size
Current carraying
conductor type/size
Neutral Conductor
type/size
Grounding
conductor
type/size
~1 -way
length(ft)Notes
1 PV ARRAY TO JUNCTION BOX N/A 6 X #12 DG X 1X #12 Bare Cu 40
2 JUNCTION BOX TO AC PV LOAD CENTER 3/4" EMT 6 X #12 THWN-2 X 1X #12 THWN-2 40
3 AC PV LOAD CENTER TO JBOX 3/4" EMT 2 X #8 THWN-2 1 X #8 THWN-2 1X #10 THWN-2 10
4 JBOX TO NON FUSED AC DISCONNECT TO JBOX 1" EMT 4 X #6 THWN-2 X 2X #10 THWN-2 25
5 NON FUSED AC DISCONNECT TO FUSED AC DISCONNECT 3/4" EMT 2 X #8 THWN-2 1 X #8 THWN-2 1X #10 THWN-2 10
6 FUSED AC DISCONNECT TO MAIN SERVICE PANEL 3/4" EMT 2 X #6 THWN-2 1 X #6 THWN-2 x 10
G
N
L2L1
M
BI-DIRECTIONAL UTILITY
METER 1-PHASE, 3-W,
120V/240V
TO UTILITY GRID
N
150A
LINE SIDE TAP
BOND #6 AWG CU TO NEW
OR EXISTING GROUND ROD
G
AC DISCONNECT:
60A FUSED, (2) 50A
FUSES, 240V NEMA
3R, UL LISTED
6
AC DISCONNECT:
60A NON-FUSED,
240V NEMA 3R, UL
LISTED
G
(E) MAIN SERVICE
PANEL, 150A RATED,
240V (IN GARAGE)
(E)
GROUNDING
ROD
3
(N)
JUNCTION BOX
G
L1
L2
(N) AC PV LOAD
CENTER
L2L2
L1L1
L2L2
L1L1
20A
20A
G
N
N
G
15A
PVS6
8- MICRO-INVERTERS IN BRANCH CIRCUIT #3
L2L2
L1L1
20A
8- MICRO-INVERTERS IN BRANCH CIRCUIT #2
9- MICRO-INVERTERS IN BRANCH CIRCUIT #1
21
5
ROOF EXTERIOR GARAGE
INTERIOR GARAGE
UTILITY
POLE
JBOX
4
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DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-6
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1501 LEE HILL DR
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PH# (303) 443-0115
WIRING
CALCULATIONS
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.) WORKING CLEARANCES AROUND ALL NEW AND EXISTING ELECTRICAL EQUIPMENT SHALL
COMPLY WITH NEC 110.26.
4.) DRAWINGS INDICATE THE GENERAL ARRANGEMENT OF SYSTEMS. CONTRACTOR SHALL
FURNISH ALL NECESSARY OUTLETS, SUPPORTS, FITTINGS AND ACESSORIES TO FULFILL
APPLICABLE CODES AND STANDARDS.
5.) WHERE SIZES OF JUNCTION BOXES, RACEWAYS, AND CONDUITS ARE NOT SPECIFIED, THE
CONTRACTOR SHALL SIZE THEM ACCORDINGLY.
6.) ALL WIRE TERMINATIONS SHALL BE APPROPRIATELY LABELED AND READILY VISIBLE.
7.) MODULE GROUNDING CLIPS TO BE INSTALLED BETWEEN MODULE FRAME AND MODULE
SUPPORT RAIL, PER THE GROUNDING CLIP MANUFACTURER'S INSTRUCTION.
8.) MODULE SUPPORT RAIL TO BE BONDED TO CONTINUOUS COPPER G.E.C. VIA WEEB LUG OR
ILSCO GBL-4DBT LAY-IN LUG.
9.) MINIMUM CONDUCTOR SIZES SHOWN AND MAY BE UP-SIZED IN FIELD SO LONG AS
40% CONDUIT FILL IS NOT EXCEEDED.
10.) CONTRACTOR TO INSTALL SPECIFIED CONDUIT OR EQUIVALENT NEC COMPLIANT RACEWAY.
PERCENT OF VALUES
0.80
0.70
0.50
NUMBER OF CURRENT
CARRYING CONDUCTORS IN EMT
4-6
7-9
10-20AMBIENT TEMPERATURE SPECS
AMBIENT TEMP
RECORD LOW -23°
34°
CONDUIT HEIGHT 0.5" - 3.5"
ROOF TOP ADDER 56°
ROOF TOP TEMP 48°
TEMP-CORRECTION (AMBIENT TEMP).96
TEMP-CORRECTION (ROOF TOP TEMP).82
CONDUCTOR TEMPERATURE RATE 90°
MODULE TEMPERATURE COEFFICIENT OF Voc -0.29%
SOLAR MODULE SPECIFICATIONS
MANUFACTURER
MODEL #
PMAX
PEAK OUTPUT POWER
MAX CONTINOUS OUTPUT CURRENT
MAX UNIT PER BRANCH CIRCUIT
NOM. FREQUENCY
400W
366VA
1.45
11
60HZ
SPR-A400-G-AC
SUNPOWER
MODULE DIMENSION 72.2"L x 40"W x 1.57"D (In Inch)
AC CONDUCTOR AMPACITY CALCULATIONS:
FROM ROOF TOP JUNCTION BOX TO AC PV LOAD CENTER
AMBIENT TEMPERATURE ADJUSTMENT FOR EXPOSED CONDUIT
PER NEC 310.15(B)(3)(c): + 0°
EXPECTED WIRE TEMP (°C): 34°
TEMP CORRECTION PER TABLE 310.15(B)(2)(a): 0.96
# OF CURRENT CARRYING CONDUCTORS: 6
CONDUIT FILL CORRECTION PER NEC 310.15(B)(3)(a): 0.80
CIRCUIT CONDUCTOR SIZE: 12 AWG
CIRCUIT CONDUCTOR AMPACITY: 30 A
AC CONDUCTOR AMPACITY CALCULATIONS:
AC PV LOAD CENTER TO NON FUSED AC DISCONNECT
AMBIENT TEMPERATURE ADJUSTMENT FOR EXPOSED CONDUIT
EXPECTED WIRE TEMP (°C): 34°
TEMP CORRECTION PER TABLE 310.15(B)(2)(a): 0.96
# OF CURRENT CARRYING CONDUCTORS: 4
CONDUIT FILL CORRECTION PER NEC 310.15(B)(3)(a): 0.08
CIRCUIT CONDUCTOR SIZE: 6 AWG
CIRCUIT CONDUCTOR AMPACITY: 75 A
REQUIRED CIRCUIT CONDUCTOR AMPACITY PER NEC 690.8(A&B):
1.25 X MAX AC OUTPUT CURRENT X # OF INVERTERS
1.25 X1.45X 25 = 45.31 A
DERATED AMPACITY OF CIRCUIT CONDUCTOR PER NEC TABLE 310.15(B)(16)
TEMP CORR. PER NEC TABLE 310.15(B)(2)(a) X
CONDUIT FILL CORR. PER NEC 310.15(B)(3)(a) X
CIRCUIT CONDUCTOR AMPACITY =
0.96 X 0.80X 75 = 57.6A
REQUIRED CIRCUIT CONDUCTOR AMPACITY PER NEC 690.8(A&B):
1.25 X MAX AC OUTPUT CURRENT X # OF INVERTERS
1.25 X1.45X 9 = 16.31 A
1.25 X1.45X 8 = 14.50 A
1.25 X1.45X 8 = 14.50 A
DERATED AMPACITY OF CIRCUIT CONDUCTOR PER NEC TABLE310.15(B)(16)
TEMP CORR. PER NEC TABLE 310.15(B)(2)(a) X
CONDUIT FILL CORR. PER NEC 310.15(B)(3)(a) X
CIRCUIT CONDUCTOR AMPACITY =
0.96X 0.80 X 30 = 23.04 A
AC CONDUCTOR AMPACITY CALCULATIONS:
FUSED AC DISCONNECT TO MSP
AMBIENT TEMPERATURE ADJUSTMENT FOR EXPOSED CONDUIT
EXPECTED WIRE TEMP (°C): 34°
TEMP CORRECTION PER TABLE 310.15(B)(2)(a): 0.96
# OF CURRENT CARRYING CONDUCTORS: 3
CONDUIT FILL CORRECTION PER NEC 310.15(B)(3)(a): 1.00
CIRCUIT CONDUCTOR SIZE:6 AWG
CIRCUIT CONDUCTOR AMPACITY: 75 A
REQUIRED CIRCUIT CONDUCTOR AMPACITY PER NEC 690.8(A&B):
1.25 X MAX AC OUTPUT CURRENT X # OF INVERTERS
1.25 X1.45X 25 = 45.31 A
DERATED AMPACITY OF CIRCUIT CONDUCTOR PER NEC TABLE 310.15(B)(16)
TEMP CORR. PER NEC TABLE 310.15(B)(2)(a) X
CONDUIT FILL CORR. PER NEC 310.15(B)(3)(a) X
CIRCUIT CONDUCTOR AMPACITY =
0.96 X 1.00 X 75 = 72 A
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DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-7
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1501 LEE HILL DR
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Permits@solarips.com
PH# (303) 443-0115
PLACARD
WARNING: PHOTOVOLTAIC POWER SOURCE
1.
5
0
"
2.
0
0
"
2.
0
0
"
0.
7
5
"
1.
5
0
"
5.00"
BATTERY BACKUP
EMERGENCY DISCONNECT
1.75"
WARNING
Inverter Output Connection
Do Not Relocate This
Overcurrent Device
4.00"
WARNING: DUAL POWER SOURCE
5.00"
PV SYSTEM EQUIPPED
WITH RAPID SHUTDOWN
5.25"
REFLECTIVE PLAQUES
4.00"
REFLECTIVE STICKERS
STICKERS
3.00"
PV AC
COMBINER PANEL
PV SOURCE CIRCUITS
ONLY!
PV RAPID
SHUTDOWN SWITCH
CAUTION:
POWER TO THIS BUILDING IS ALSO SUPPLIED
FROM THE FOLLOWING SOURCES WITH
DISCONNECTS LOCATED AS SHOWN
AT:METER AND MAIN SERVICE PANEL
AC PV LOAD CENTER
CAUTION:
POWER TO THIS BUILDING IS ALSO SUPPLIED
FROM THE FOLLOWING SOURCES WITH
DISCONNECTS LOCATED AS SHOWN
AT:
CAUTION:
POWER TO THIS BUILDING IS ALSO SUPPLIED
FROM THE FOLLOWING SOURCES WITH
DISCONNECTS LOCATED AS SHOWN
AT:
2.
0
0
"
2.
0
0
"
1.
5
0
”
2.
0
0
"
2.
0
0
"
PLAQUES
4.00"
PV SYSTEM
AC DISCONNECT
4.00"
PV SYSTEM
DC DISCONNECT
Isc:
Imp:
Vmp:
Voc max:
4.00"
PHOTOVOLTAIC
SYSTEM
CONNECTED
PV
PRODUCTION
METER
4.50"
WARNING
Dual Power Sources
Second Source is PV System
PV AC Output: 36.25A
3.00"
(E) MAIN SERVICE
PANEL (INSIDE
GARAGE)
(E) UTILITY METER
(N) AC PV LOAD
CENTER
(N) FUSED AC
DISCONNECT
(N) NON FUSED AC
DISCONNECT
DARCY DR
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UM
ACD
ACD MSP
JB
SLC
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SHEET NAME
SHEET SIZE
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ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-8
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10/15/2020INITIAL DESIGN 00
1501 LEE HILL DR
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Permits@solarips.com
PH# (303) 443-0115
SAFETY
PLAN
(N) PV JUNCTION BOX
(E) MAIN SERVICE PANEL (INSIDE GARAGE)
(E) UTILITY METER
(N) AC PV LOAD CENTER
(N) NON-FUSED AC DISCONNECT
(N) FUSED AC DISCONNECT
BACK OF RESIDENCE
POLE
FRONT
O
F
R
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S
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N
C
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DARCY
D
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SHEET NAME
SHEET SIZE
SHEET NUMBER
Signature with Seal
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-9
PE
T
E
S
M
I
T
H
56
8
D
A
R
C
Y
D
R
,
ES
T
E
S
P
A
R
K
,
C
O
80
5
1
7
U
S
A
10/15/2020INITIAL DESIGN 00
1501 LEE HILL DR
BOULDER, CO 80304
Permits@solarips.com
PH# (303) 443-0115
EQUIPMENT
SPECIFICATIONS
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
Signature with Seal
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-10
PE
T
E
S
M
I
T
H
56
8
D
A
R
C
Y
D
R
,
ES
T
E
S
P
A
R
K
,
C
O
80
5
1
7
U
S
A
10/15/2020INITIAL DESIGN 00
1501 LEE HILL DR
BOULDER, CO 80304
Permits@solarips.com
PH# (303) 443-0115
EQUIPMENT
SPECIFICATIONS
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
Signature with Seal
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-11
PE
T
E
S
M
I
T
H
56
8
D
A
R
C
Y
D
R
,
ES
T
E
S
P
A
R
K
,
C
O
80
5
1
7
U
S
A
10/15/2020INITIAL DESIGN 00
1501 LEE HILL DR
BOULDER, CO 80304
Permits@solarips.com
PH# (303) 443-0115
EQUIPMENT
SPECIFICATIONS
REV
SHEET NAME
SHEET SIZE
SHEET NUMBER
Signature with Seal
ANSI B
11" X 17"
DATEDESCRIPTION
REVISIONS
PROJECT NAME
PV-12
PE
T
E
S
M
I
T
H
56
8
D
A
R
C
Y
D
R
,
ES
T
E
S
P
A
R
K
,
C
O
80
5
1
7
U
S
A
10/15/2020INITIAL DESIGN 00
1501 LEE HILL DR
BOULDER, CO 80304
Permits@solarips.com
PH# (303) 443-0115
EQUIPMENT
SPECIFICATIONS