3 GABLES CIR - BUILDING PERMIT APP The Commonwealth of Massachusetts
4 Board of Building Regulations and Standards CITY
OF
lV \ / Massachusetts State Building Code,780 CMR SALERevised Mar 101!
L Building Permit Application To Construct,Repair, Renovate Or Demolish a
One-or Two-Family Dwelling
J( This Section For Official Use Only _
Building Permit Number: Date Applied:
I
Building Official(Print Name) Signature Date
SECTION 1:SITE INFORMATION
Ll Pro rty Addre • S i r 1.2 Assessors Map&Parcel Numbers
Lla Is this an accepted street?yes no Map Number Parcel Number
1.3 Zoning Information: 1.4 Property Dimensions:
Zoning District Proposed Use Lot Area(sq ft) _ Frontage(ft)
1.5 Building Setbacks(ft)
Front Yard Side Yards Rear Yard
Required Provided Required Provided Required Provided
1.6 Water Supply:(M.G.L c.40,§54) 1.7 Flood Zone Information: 1.8 Sewage Disposal System:
Public❑ Private❑ Zone: _ Outside Flood Zone? Municipal❑ On site disposal system ❑
Check if yes[]
SECTION 2: PROPERTY OWNERSHIP'
2.1 Owner'faneTk White Salem MA 01979
Name(Print) City,State,ZIP
3 gables clf 9785678763 Rogsnrse55@yahoo.com
No.and Street Telephone Email Address
SECTION 3:DESCRIPTION OF PROPOSED WORK(check all that apply)
New Constructi Existing Building❑ Owner-Occupied ❑ Repairs(s) ❑ AI[eration(s) ❑ 1 Addition ❑
Demolition ❑ I Accessory Bldg.❑ 1 Number of Units_ Other ❑ Specify:
Brief Oes ' tion of Proposed Work':
�0�a("'BAWC�PA— 43 rr� rsQ \S IZ li:---xI
SECTION 4:ESTIMATED CONSTRUCTION COSTS
Item Estimated Costs: Official Use Only
Labor and Materials
1.Building $ 1. Building Permit Fee:$ Indicate how fee is determined:
❑Standard City/Town Application Fee
2.Electrical ❑Total Project Cost'(Item 6)x multiplier x
3.Plumbing $ 2. Other Fees: $
4.Mechanical (HVAC) $ List:
5.Mechanical (Fire $
Suppression) Total All Fees:$
l I Check No. Check Amount: Cash Amount:_
6.Total Project Cost: $ �f l�otP�} 0 Paid in Full 13 Outstanding Balance Due:
SECTION 5: CONSTRUCTION SERVICES
5.1 Construction Supervisor License(CSL) �o g ou& p
��"C_ License Number Expiration. ate
N dr
I
List CSL Type(see below) v
No.arai gt treQt ' • n Type Description
U Unrestricted Buildings up to 35.000 cu.ft.)
Ci y/oVwn,5)tele�,ZIP l l`A�t //VV UU 11 R Restricted 1&2 FamilyDwelling
M Masonry
RC Roofing Covering
WS Window and Siding
SF Solid Fuel Burning Appliances
� ' US . ,l �-QY1��111V1t �p1(i( L7h t Insulation
Telephone Email address D Demolition
5.2 Registered Homelmpro ementContractor(HIC)`C a islrant Nam 'J/t
HIC Company N I
r HIC Registration Number Expiration Date
. �� 1
_ V
a r WI (.(OLI
No.and Street , n- �} I ]62041�1�-L �— J
Email address
Ci /Town,State,2113 Telephone
SECTION 6:WORKERS'COMPENSATION INSURANCE AFFIDAVIT(M.G.L.c. 152.§ 25C(6))
Workers Compensation Insurance affidavit must be completed and submitted with this application. Failure to provide
this affidavit will result in the denial of the Issuance of the building permit.
Signed Affidavit Attached? Yes ..........M' No...........El
SECTION 7a:OWNER AUTHORIZATION TO BE COMPLETED WHEN
OWNER'S AGENT OR CONTRACTOR APPLIES FOR BUILDING PERMIT
1,as Owner of the subject property,hereby authorize tl �'V►. o R.gO.
to act on my behalf,in all matters relative o work au rized by this building permit application.
Janelle White �'—'_ /� - 10/27/16
Print Owner's Name(Electronic Signature) Date
SECTION 7b:OWNEW OR AUTHORIZED AGENT DECLARATION
By entering my name below,I hereby attest under the pains and penalties of pedury that all of the information
contained in this application is true and accurate to the best of my knowledge and understanding.
k�Wt- 6wene � i ► 11 z 1 /
Print O ers or Authoriie(TAgent' Name(Electronic Signature) Date
NOTES:
1. An Owner who obtains a building permit to do his/her own work,or an owner who hires an unregistered contractor
(not registered in the Home Improvement Contractor(HIC)Program),will not have access to the arbitration
program or guaranty fund under M.G.L.c. 142A.Other important information on the HIC Program can be found at
www,mm.gov/M Information on the Construction Supervisor License can be found at www.mass.gov/dpss
2. When substantial work is planned,provide the information below:
Total floor area(sq.ft.) (including garage,finished basement(attics,decks or porch)
Gross living area(sq.ft.) Habitable room count
Number of fireplaces Number of bedrooms
Number of bathrooms Number of half/baths
Type of heating system Number of decks/porches
Type of cooling system Enclosed Open
3. "Total Project Square Footage"may be substituted for"Total Project Cost"
C/ o CJ' u nt0 solar 1800 W Ashton Blvd.
Lehi, UT 84043
Structural Group
Jon P. Ward, SE, PE Clint C. Karren, PE
Structural Engineering Manager Structural Engineering Manager
jon.ward@a)vivintsolar.com clint.karren@vivintsolar.com
November 01,2016
Mr. Dan Rock, Project Manager
Vivint Solar
1800 W Ashton Blvd.
Lehi, UT 84043
Re: Structural Engineering Services
White Residence
3 Gablese1r, Salem, MA
S-5288948;2.12 kW; MA-01
Dear Mr. Rock:
Pursuant to your request,we have reviewed the following information regarding solar panel installation on the roof of
the above referenced home:
1. Site Visit/Verification Form prepared by a representative from our office under my supervision
identifying specific site information including size and spacing of members 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 was prepared by the Design Group and will be utilized for
approval and construction of the proposed system.
3. Photovoltaic Rooftop Solar System Permit Submittal identifying design parameters for the solar
system.
4. Photographs of the interior and exterior of the roof system identifying existing structural members
and their conditions.
Based on the above information we have evaluated the structural capacity of the existing roof system to support the
additional loads imposed by the solar panels and have the following comments related to our review and evaluation:
Description of Residence:
The existing residence is typical wood framing construction with the roof system consisting of the following:
• Roof Section 1: Roof section is composed of assumed 2x6 dimensional lumber at 16" on center
and a single layer of roofing. The attic space is finished and photos indicate that there was no
access to visually inspect the size and condition of the roof members.
All wood material utilized for the roof system is assumed to be Spruce-Pine-Fir #2 or better with standard
construction components. The existing roofing material consists of composite shingle.
Stability Evaluation:
A. Wind Uplift Loading
1. Calculations for uplift are based on ASCE/SEI 7-10 Minimum Design Loads for Buildings and other
Structures, a wind speed of 100 mph based on Exposure Category B and 10 degree roof slopes on
the dwelling areas. Ground snow load is 40 PSF for Exposure B, Zone 2 per(ASCE/SEI 7-10).
2. Total area subject to wind uplift is calculated for the Interior, Edge and Corner Zones of the
dwelling.
Page 1 of didint. so l a r
B. Loading Criteria
10 PSF= Dead Load (roofing/framing) 40 PSF=Ground Snow Load
3 PSF= Dead Load (solar panels/mounting hardware)
Total Dead Load= 13 PSF
The above values are within acceptable limits of recognized industry standards for similar structures and in
accordance with the 2009 International Residential Code with Massachusetts Amendments. Analysis performed on
the existing roof structure utilizing the above loading criteria indicates that the existing members will support the
additional panel loading without damage, if installed correctly.
C. Solar Panel Anchorage
1. The solar panels shall be mounted in accordance with the most recent "Ecolibrium Solar Installation
Manual", which can be found on the Ecolibrium Solar website (www.ecolibriumsolar.com). 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. The solar panels are 1 1/2"thick and mounted 4 Y2" off the roof for a total height off the existing roof
of 6". At no time will the panels be mounted higher than 6"above the existing plane of the roof.
3. Maximum allowable pullout per lag screw is 205 Ibs/inch of penetration as identified in the National
Design Specifications (NDS) of timber construction specifications for Spruce-Pine-Fir assumed.
Based on our evaluation, the pullout value, utilizing a penetration depth of 2 Yz', is less than the
maximum allowable per connection and therefore is adequate.
4. Roof Section 1: Considering the roof slopes, the size, spacing, condition of the roof, the panel
supports shall be placed at and attached no greater than every fourth roof member as panels are
installed perpendicular across members and no greater than the panel length when installed
parallel to the members (portrait). No panel supports spacing shall be greater than four (4) spaces
or 64"o/c, whichever is less.
5. Panel support connections shall be staggered to distribute load to adjacent members.
Based on the above evaluation, with appropriate panel anchors being utilized the roof system will adequately
support the additional loading imposed by the solar panels. This evaluation is in conformance with the 2009
International Residential Code with Massachusetts Amendments, current industry standards and practice, and the
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.
AA
♦ OF A
Regards, ♦'
N p 1G
Jon P. Ward, SE, PE AR
MA License No. 52584 NO 525
�ngFC/STER�G��1
C-SS/ONAL EN
Page 2 of bi V in . solar
EcolibriumSolar
Layout
rp �,
Skirt
e Coupling
End Coupling Note: If the total width of a continuous array exceeds 35 ft, break
® Clamp array to allow for thermal expansion and contraction. See
•o End Clamp Installation Guide for details.
North Row Extension Warning: PV Modules may need to be shifted with respect to roof
0 Row-to-Row Bonding Clip/Bonding Jumper trusses to comply with maximum allowable overhang.
PV SYSTEM SIZE:
C� 2.120 kW DC CA
3 Gables ;Salem MA 01970
r--—-—- - - - - -—-—-—-— �
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PV INTERCONNECTION POINT, s
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KEEP JUNCTION BOX OFF ROOF E
L_ _ _ _ _ _—_—_—_—_ —_—_—_—_ _J SHEET
NAME:
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(8)SolarEdge P300 Optimizer
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Photovol[alc System Conduit Conductor Schedule(ALL CONDUCTORS MUST BE COPPER)
DC System Size 2120 Tag It Description Wire Gauge gof Conductors/Color Conduit Type Conduit Size
r�1 ' 2 AC System Size 3800 1PVWire 10AWG 2(V+,V-) N/A-Free Air N/A-Free Air
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Type: E]6oDA-us 4THWN-2-Ground 8AWG 1(GRN) PVC 1"
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DC Safety Switch Conductor Calculations
Rated for max operating condition of inverter PV Module Rating @ STC -Wire gauge calculated from NEC code 310.15(9)(16)with ambient temperature calculations co
NEC 690.35 compliant Module Make/Model JKM265PP-60 from NEC 310.15(2)(a).
•opens all ungrounded conductors Max Power-Point Current(Imp) 8.44 Amps For"On Roof'conductors we use the 91 column ampaciry,0.5"3.5'off-the-roof temperature a ^
Max Power-Point Voltage(Vmp) 31.4 Volts adjustment from 310.15(8)(3)(c),and raceway fill adjustments from 310.15(B)(16). N
Optimizer Solar Edge P300 For"Off Roof'conductors we use the J5°C column ampaciry,or the 90-C column ampaciry with
DC Input 300 Watts Open-Circuit Voltage(Voc) 38.6 Volts 3 up E o
Pu the relevant ambient temperature and raceway fill adjustments,whichever is less. -
DCMaxln [Volta 4B Volts Shaft CircuitCurten[(Isc) 9.03 Amps - N
Input Voltage The rating Of the conductor after adjustments MUST be greater than,or equal to,the continuous Zr
Max Series Fuse(OCPD) 15 Amps
DC Max Input Current 12.5 Amps tlury upratetl output current
DC Max Output Current 15 Amps Norm Maximum Power at STC(Pmax) 265 Watts Calculation Example-Wire Rating(90Y)x Ambient Temperature Adjustment x Conduit Fill �
Maximum System Voltage 1000V DC UEC) Adjustment>=Continuous Du OutputCurrent
Max String Rating 5250 Wattsry
Inverter Make/Model SE3800A-US Voc Temperature Coefficient -0.3 %/C (On Roof,Tag 2):10gaugewm rated for40A, 40AxO.76xl(2Conductors)=30.4A>=18.75
CEC Efficiency 98 % A
AC Operating Voltage 240 Volts PV Module Rating @ STC (Off Roof,Tag 3):10 gauge wire rated for 35 A, 35 A>=19.79 A
Continuous Max Output Current 16 Amps
Module Make/Model IKM260P-60 >L
DC Maximum)nput Current 13 Amps Max Power-Poin[.Current(Imp) 8.37 Amps 0
Shotl Circui[Curren[ ll.5 Amps Max Power-Point Voltage(Vol 31.1 Volts y
Max Out ut Fault Current 17.5 A20ms Open-Circuit Voltage(Voc) 38.1 Volts
Short-Circuit Cur rent(Isc) 8.98 Amps
Max Series Fuse(OCPD) 15 Amps
Optimizer Solar Edge P300 Nom.Maximum Power at STC(Pmax) 260 Watts \
Maximum System Voltage 1000 V DC(EC)
OC Input Power 300 Watts ype Temperature Coefficient -0.31 %/C
DC Max Input Voltage 48 Volts
DC Max Input Current 12.5 Amps
DC Max Output Current 15 Amps
Max String Rating 5250 Watts AC Output Curren[A¢ording to NEC 690.8(B)(1) 15.83 Amps
Nominal AC Voltage 240 Volts on
Inverter Make/Model SE7600A-US THIS PANEL IS FED BY MULTIPLE SOURCES(UTILITY AND SOLAR) OCPD Calculations
CEC ACOPcztingncy 9J.5 % ROOFTOP CONDUCTOR AMPACITIES DESIGNED IN COMPLIANCE
AC Operatng Voltage 240 Volts WITH NEC 69o.8,TABLES 330.15(B)(2)(a),330.15(9)(3)(a), Breakers sized according to continuous duty output current.PV circuit nominal current based off
Continuous Max Output Current 32 Amps 310.15(B)(3)(c),310.15(8)(16),CHAPTER 9 TABLE 4,5,&9. inverter continuous output current X(1.25(NEC code 210.19(A)(1)pd). go m
DC Maximum Input Current 23 Amps LOCATION SPECIFIC TEMPERATURE OBTAINED FROM ASHRAE 2013 tn
Short Circuit Current 40 Amps DATA TABLES. Inverter 1,SE3800 A-US-U Max Output=15,83 A x 1,25(NEC code 210.19(A)(1)(a)) i o
Max Output Fault Current 40 1 A120ms -19.79 A<20 A(OCPD) o ^
ASHRAE 2013-
system output current w/continuous duty=19.J9<20A(System Cl
Highest Monthly 2%OB Design Temp:32.5 Celsius w w
Lowest Min.Mean Extreme D8:-23.9 Celsiuson
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on
Other Notes z K
SHEET
•ALL INTERIOR RACEWAYS CARRYING DC CURRENT SHALL BE METALLIC NAME:
•All ampaciry calculations are made in compliance with NEC 220.5(B)
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NUMBER:
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