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FOR G()NSTRUCTION
Scope of Work:
RGS Energy shall install a 4.400 kW Grid -tied Photovoltaic ("PV") System
totaling (16) Solarworld Plus SW 275 Mono Black Modules with (16) Enphase
Energy M250-60-2LL-S22 Micro- Inverter(s). The Modules shall be flush
mounted on the asphalt/comp. shingle roof and interconnected via load side
breaker connection.
Equipment Specifications:
Module: (16) Solarworld Plus SW 275 Mono Black
Inverter 1: (16) Enphase Energy M250-60-2LL-S22
Racking: UniRac SolarMount
Attachment Flashing: Eco-Fasten Green -Fasten with
CP-SQ-Slotted Bracket and Aluminum Flashing
Roof Specifications:
Roof 1:
Asphalt/Comp. Shingle
(Single Layer)
2" x 10" Rafters @
24" O.C.
Pitch:40' 1 Azimuth: 160°
Array Size: 16 Modules
Site Specifications:
Occupancy: 11
Design Wind Speed: 110 MPH
Exposure Category: C
Mean Roof Height: 25 ft
Ground Snow Load: 30 PSF (Reducible)
Adj. Roof Snow Load: 11.6 PSF
All Work to be in Compliance with:
2014 National Electrical Code (NEC)
2009 International Residential Code (IRC)
2009 International Building Code (IBC)
2012 International Fire Code (IFC)
2012 Uniform Mechanical Code (UMC)
2012 Uniform Plumbing Code (UPC)
MA 780 CMR, 8th Edition
-including 2/4/11 revisions to Tables R301.2(4) & R301.2(5)
ASCE/ANSI 7-05 Minimum Design Loads for Buildings and Other
Structures
As amended and adopted by Town of Dartmouth
Grid -Tied Photovoltaic System
DC Rating: 4.400 kW
Garfield, Natalie
194 Gaffney Rd
S. Dartmouth, MA 02748
Jurisdiction: Town of Dartmouth
General Notes:
1. System follows any/all Fire Code Setbacks per Ordinances of the
Town Of Dartmouth.
2. All projects will comply with the Ordinances of the Town of Dartmouth.
3. Construction Hours: 7am-8pm Monday -Friday, 9am-8pm Saturday,
No time on Sunday or legal Holidays.
4. Product Data Sheets shall be included.
5. Rooftop penetrations shall be completed and sealed per code by a
licensed contractor.
6. All Photovoltaic modules shall be tested and listed by a recognized
laboratory.
7. Certifications shall include UL1703, IEC61646, IEC61730.
8. A continuous ground shall be provided for the Array and for all
Photovoltaic Equipment.
9. DC Wiring shall be run in metal conduit or raceways within enclosed
spaces in a building.
10. Conduit, Wire systems and Raceways shall be located as close as
possible to ridges, hips, and outside walls.
11. Conduit between Sub Arrays and to DC Combiners/Disconnects shall
use guidelines that minimize the total amount of conduit by taking the
shortest path.
12. Space Requirements for electrical equipment shall comply with NEC
Article 110.
13. Equipment grounding shall be sized in accordance with Table
250.122.
14. Connectors that are not readily accessible and that are used in the
circuits operating at or over 30V AC or DC shall require a tool for
opening and are required to be marked "Do not disconnect under
load" or "Not for current interrupting", per 690.33 (c) & (e).
15. All signage to be placed in accordance with local building code.
16. Signs or Directories shall be attached to the electrical equipment or
located adjacent to the identified equipment.
17. Signs should be of sufficient durability to withstand the environment.
18. Any plaques shall be metal or plastic with engraved or machine
printed letters, or electro-plating, in a red background with white
lettering, a minimum of 3/8" height and all capital letters.
Sheet List
Sheet No.
Sheet Title
PV-000
COVER
PV-A01
SITE PLAN
PV-A02
MODULE LAYOUT
PV-A03
DETAILS
PV-A04
MATERIALS
PV-E01
ELECTRICAL DIAGRAM
PV-E02
SYSTEM CALCS
PV-G01
SIGNAGE
32 Taugwonk Spur, Al2
Stonginton, CT 06378
Phone (860) 535-3370
Fax (413) 683-2225
GRID -TIED
PHOTOVOLTAIC SYSTEM
4.400kW DC @ STC
GARFIELD, NATALIE
194 GAFFNEY RD
S. DARTMOUTH, MA 02748
Project # 10135199
DESIGNER: DKN
REVIEWER: CR
VERSION DATE. 2014-08-25
REVISIONS
# BY Date Notes
1
2
3
4
5
sE N/A
*91TU7
PV-000
FAR t^mSTRUGTION
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4
a
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S
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Ln
r
(E) Single Family Dwelling
�11/ 1 . -, .
16 Solarworld Plus SW 275 Mono Black Modules
16 Enphase Energy M250-60-2LL-S22 Micro -Inverters
Asphalt/Comp. Shingle Roof
2" X 10" Rafters @ 24" O.C.
Pitch:40°
Azimuth:160°
(E) Accessory Building
Equipment Location: Exterior
(E) Utilty Meter
(N) PV Production Meter/Monitor
(N) PV AC Disconnect
Equipment Location: Interior
(E) Main Service Panel - POI
RS
32 Taugwonk Spur, Al2
Stonginton, CT 06378
Phone (860) 53-3370
Fax (413) 683-2225
GRID -TIED
PHOTOVOLTAIC SYSTEM
4.400kW DC @ STC
GARFIELD, NATALIE
194 GAFFNEY RD
S. DARTMOUTH, MA 02748
Project # 10135199
DESIGNER: DKN
REVIEWER: CR
VERSION DATE. 2014-08-25
REVISIONS
1# I By I Date I Notes I
SC4LE. 111= 20'
SITE PLAN
PV-A01
m
N
2
FOB GUr�STRUCTION
PV ARRAY 1 - MECHANICAL LOADS
Array Area: 296.1 ft2 Total Photovoltaic Dead Load: 3.25 psf
Array Weight: 962.8 Ibs Avg. Dead Load per Anchor: 30.1 Ibs
Anchor Qty.: 1 32
Design Values by Roof Zone:
Corner
Egde
Interior
Max. UniRac Rail Span:
60 in O.C.
60 in. O.C.
60 in.. O.C.
Max. UniRac Rail Cantilever:
20 in. O.C.
20 in. O.C.
20 in. O.C.
Adjusted Anchor Span:
.................................................................................
48 in.. O.C.
48 in.. O.C.
48 in: O O.C.
Downforce Point Load:
343.6 Ibs
343.E Ibs
343.6 Ibs
Uplift Point Load:
.................................................................................
-295.7 Ibs
.295.7 Ibs
-240.8 Ibs
707 Ibs
Minimum Anchor Strength:
2.70
Average Safety Factor:
• Total Quantity of Attachments =32
• Roof Zones are defined by dimension, a = 3.0 ft.
• Maximum Allowable Cantilever for UniRac Rail is Y3 the Maximum Rail Span
• Racking and Attachment: UniRac SolarMount with Eco-Fasten Green -Fasten with CP-SQ-Slotted
Bracket and Aluminum Flashing attached with 5/16" x 3-1/2" Lag Bolt, Hex Head, 18-8 SSs
• All Dimensions shown are to module edges, including 1 in. Spacing between Modules required when
using the Top Clamp Method. The Rails Extend 3 in. Beyond the module edge. N
• UniRac Requires one thermal expansion gap for every run of rail greater than 40'
• Array Installed according to the UniRac SolarMount Code -Compliant Installation Manual ver. 227.3, R'
Pub 110616-1cc, June 2011
• Attachment Locations, If shown, are approximate. Final adjustment of attachment location may be E
necessary depending on field conditions. All attachments are staggered amongst the framing members. S
RG c
32 Taugwonk Spur, Al2
Stonginton, CT 06378
Phone (860) 535-3370
Fax (413) 683-2225
GRID -TIED
PHOTOVOLTAIC SYSTEM
4.400kW DC @ STC
GARFIELD, NATALIE
194 GAFFNEY RD
S. DARTMOUTH, MA 02748
Project # 10135199
DESIGNER: DKN
REVIEWER: CR
VERSION DATE. 2014-08-25
REVISIONS
# 113y J Date I Notes
— 3/16" = 1'-0"
MODULE LAYOUT
PV-A02
0
FOR CONI0,TRUCTION
T5 M°r°
P,us
P�spra�'�2 p G
X � Ra�ets
2'
;� Attachment Profile
Scale: 3/4" = 1'-0"
Ground WEEB &
Module Clamp
Unirac Solarmount
Rail w/ L-foot
Green Fasten Flashing:
ECO-GF1-BLK-812 With
Module (lYf •) ECO-CP-SQ Compression Bracket
Rooftop �j/�^ _ 5/16"x 3.5"S.S. Lag Bolt
w/2.5" Minimum Pene
tration
@2Q Sealed w/ Approved Sealant
2"X10 O.Q.
Attachment Detail
20" Max 20" Max
Roof Framing PV Module Rail Overhang Rail Splice Rail Overhang
[—.. I
Roof \y
Attachment
Anchors located -r
on alternate roof
framing members
Sta
SS B
I'
Unir
UGC
11
11 l;
11 11
II II
II
II 11
� 11 II �
II
11
11
i it 11
1 ��
II 1�
I 11 11
� II
,jtil
�1
L IFI IIJ
,�
48" Max
Anchor Spacin SolarMount Rail
Anchor Spacin4
iered Attachment Detail (Typ.)
NTS
ule Frame
rac Rail
5 Groundin Cli &Module
Scale: N.T.S.
Stagger splice locations
within the each row of modules
Rail Splice Detail
WEEBLug
Ground Wire
SS Bolt
SS Flat
Washer
Scale: 1" = 1'-0"
Min of 2 supports
on either side of splice
with a max spacing of 60"
,z� vvasner
Nut
nirac Rail
S Bolt
6 Groundin Lu &Rail
Scale: N.T.S.
NTS
a
RGS
32 Taugwonk SPur, Al2
Stonginton, CT 06378
Phone (860) 535-3370
Fax (413) 683-2225
GRID -TIED
PHOTOVOLTAIC SYSTEM
4.400kW DC @ STC
GARFIELD, NATALIE
194 GAFFNEY RD
S. DARTMOUTH, MA 02748
Project # 10135199
DESIGNER: DKN
REVIEWER: CR
VERSION DATE.-2014-08-25j'
REVISIONS
# I By I Date I Notes
s�E VARIES
DETAILS
PV-A03