140 HIGHLAND AVE - BUILDING INSPECTION (2) RECEIVED S
The Commonwealth of Massachusetts
a� Board of Building Regulations and Standards CITY OF
' Massachusetts State Building Code, 780 CMR 1014 C gLp11 3: ,0
i evlsed Mar 2011
Building Permit Application To Construct, Repair, Renovate Or Demolish a
One-or Two-Family Dwelling
This Section For Official Use Only
Building Permit Number: Date plied:
rN
Building Official(Print Name) Signature Date
SECTION 1:SITE INFORMATION
�-+ 1.1 Property Address: 1.2 Assessors Map&Parcel Numbers
I zp �fi�Y ( Q V10a CAW
I.la 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(0)
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 ifyes❑
SECTION 2: PROPERTY OWNERSHIP'
2.1 Owner of Record: John Leger Salem, MA. 01970
Name(Print) City,State,ZIP
140 Highland Ave 978-498-4354 Johnleger@joomlaharvest.com
No.and SI.Mel Telephone Email Address
SECTION 3:DESCRIPTION OF PROPOSED WORK(check all that apply)
New Construction❑ Existing Building❑ Owner-Occupied ❑ Repairs(s) ❑ 1 Alteration(s) ❑ 1 Addition ❑
Demolition ❑ Accessory Bldg. ❑ Number of Units_ I Other ❑ Specily:
Brief Description of Proposed Work'-: ✓�
vAo1 x su ctev�
•'rl o r�artoiJ�
• r S IM
SECTION 4: ESTI ATED CONSTRUCTION COSTS
Item Estimated Costs: Official Use Only
(Labor and Materials)
I.Building $ QzJ -Go 1. Building Permit Fee: $ Indicate how fee is determined:
2.Electrical $ ❑Standard City/Town Application Fee
"00 ❑Total Project Costa(item 6)x multiplier x
3.Plumbing $ 2. Other Fees: $
4.Mechanical (HVAC) $ List:
5.Mechanical (Fire $
Suppression) Total All Fees:$
Check No. Check Amount: Cash Amount:
6.Total Project Cost: SS , ❑Paid in Full ❑Outstanding Balance Due:
A
I
SECTION 5: CONSTRUCTION SERVICES
5.1 Construction Supervisor License(CSL)
!1�Mrt
�/t1 I tX S S �( �`(� License Number Expiration Dale
Name of CSL Holder
Uv f �- 1\1�� ', ^ List CSL Type(see below) U
No.and Street ` ,�/ Cam/` Type Description
�l xA , , p t/�., n. �\�nU� U Unrestricted(Buildings u to 35,000 cu.ft.)
�l/�' lJ�l "I R Restricted 1&2 FamilyDwelling
CityrCo State,ZI M Masonry
RC Roofing Covering
W S Window and Siding
`,., SF Solid Fuel Burning Appliances
`7 $13OS t)IPJ MaSU��@y�v i l`1ts0\0Y i Insulation
Telephone Email address D Demolition
5.2 Registered
Home Improvement Contractor(HIC) c, t 1, �l�
\J\ J 1 r t w\ar HIC Registration Number Expiration Date
HIC Corpgygyr mw r,.j-IIC,Registlant Name
No.and-Street�c''ll�r''11 �jf�j u U)(,v q"w� —1� x. Email address
City/Town,State,ZIP 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 ..........❑ No...........O
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 V wV n t s,-Acur
to act on my behalf, in all matters rglativc to work authorized by this building permit application.
(\C\PL 1 \y �yUl td_ 12/09/14
Print Owner's Name(Electronic Signature) Date
SECTION 7b:OWNER' OR AUTHORIZED AGENT DECLARATION
By entering my name below, I hereby attest under the pains and penalties of perjury that all of the information
contained in this application is true and accurate to the best of my knowledge and understanding.
Print Owner's or Authorized AgenP a(Elec nic Signature) Dale
NOTES:
I. 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. I42A.Other important information on the HIC Program can be found at
www.mass.eov.'oca Information on the Construction Supervisor License can be found at www.mass.gov%dns
2. When substantial work is planned,provide the information below:
Total floor area(sq.ft.) (including garage,finished bmement/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"
A CERTIFICATE OF LIABILITY INSURANCE D 10/311220143( W)
10014
THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS
'CERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES
BELOW. THIS CERTIFICATE OF INSURANCE DOES NOT CONSTITUTE A CONTRACT BETWEEN THE ISSUING INSURER(S), AUTHORIZED
REPRESENTATIVE OR PRODUCER,AND THE CERTIFICATE HOLDER.
IMPORTANT: If the certificate holder Is an ADDITIONAL INSURED,the pollcy(les) must be endorsed. If SUBROGATION IS WAIVED,subject to
the terms and conditions of the policy,certain policies may require an endorsement. A statement on this certificate does not confer rights to the
certificate holder in lieu of such endorsement(s).
PRODUCER CONTACT
MARSH USA INC. NAME'
122517TH STREET,SUITE 1300 PHONE FAX No
DENVER,CO B0202-5534 E-MAIL
Attn:Denver.certrequest@marsh.com,Fax:212.948,4381 ADDRESS:
INSURE S AFFORDING COVERAGE NAIC 0
462738-STND-GAWUE-14-15 INSURER A: Evanston Insurance Company 35378
INSURED VlVlnl Solar,Inc: INSURER B Zurich Amedcan Insurance Company 16535
Vivint Solar Developer LLC INSURER C:American Zurich Insurance Company 40142
3301 North Thanksgiving Way INSURER D:
Suite 500
Lehi,UT 84043 INSURER E:
INSURER F:
COVERAGES CERTIFICATE NUMBER: SEA-002368030-08 REVISION NUMBER:0
THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD
INDICATED. NOTWITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS
CERTIFICATE MAY BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS,
EXCLUSIONS AND CONDITIONS OF SUCH POLICIES.LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS.
INSR ADOLSUOR TYPE OF INSURANCE POLICY NUMBER MMNCU/YYYY MMID POLICY EXP LIMITS
LTR
A GENERAL LIABILITY 14PKGWE00274 11/01/2014 11/01/2015 EACH OCCURRENCE $ 1,000,000
X COMMERCIAL GENERAL LIABILITY PREMISES Ea occurrence $ 50,000
CLAIMS-MADE MOCCUR MED EXP LAry one Person $ 5,000
X $5,000 Ded.BI&PO PERSONAL&ADV INJURY $ 1,000,000
GENERALAGGREGATE S 2,000,0130
GENL AGGREGATE LIMIT APPLIES PER: PRODUCTS-COMP/OPAGG $ 2,000,000
POLICY X PRO- LOC $
B AUTOMOBILE LIABILITY BAP509601500 11/01/2014 W01/2015 COMBINED SINGLE LIMIT 1,p00,000
Ea accident)
X APIY AUTO BODILY INJURY(Par person) S
ALL OWNED SCHEDULED BODILY INJURY(Per accident) $
AUTOS AUTOS
X HIREDAUTOS X AAUTNOS ED PRD. DAMAGE $
A UMBRELLA LUIB X OCCUR 14EFXWE00088 lV012014 11/01/2015 EACH OCCURRENCE $ 5,000,000
X EXCESS LIAS CLAIMS-MADE AGGREGATE $ 5,000,000
DED I I RETENTION$ $
C WORKERS COMPENSATION WC509601300 11/01/2014 11/01/2015 WC STATU- OTH-
AND EMPLOYERS'LIABILITYER
B ANY PROPRIETOR/PARTNER/EXECUTIVE YIN WC509601400 11/012014 11/012015 E.L.EACH ACCIDENT $ 1,000,000
OFFICER/MEMBER EXCLUDED'? ® NIA
(Mandatory In NH) E.L.DISEASE-EA EMPLOYEE $ 1,000,000
D S deacnbe under 1,000,000
DESCRIPTION OF OPERATIONS below E.L.DISEASE-POLICY LIMIT $
A Enors&Omissions& 14PKGWE00274 11/01/2014 11/01/2015 LIMIT 1,000,000
Contractors Pollution DEDUCTIBLE 5,000
DESCRIPTION OF OPERATIONS I LOCATIONS I VEHICLES (ANaeh ACORD 101,AddMonal Remarks Sehedu ,It more apace Is required)
The Certificate Holder and others as defined in the written agreement are included as additional insured where required by written contract with respect to General Liability.This insurance is primary and non-
contributory over any existing insurance and limited to liability arising out of the operations of the named insured and where required by written contract.Waiver of subrogation is applicable where required by written
contract with respect to General Liability end Workers Compensation.
CERTIFICATE HOLDER CANCELLATION
City of Salem SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE
93 Washington Street THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED IN
Salem,MA 01970 ACCORDANCE WITH THE POLICY PROVISIONS.
AUTHORIZED REPRESENTATIVE
of Marsh USA Inc.
Kathleen M.Parsloe ./ ,Irinvx.hr. 444&vi
01988-2010 ACORD CORPORATION. All rights reserved.
ACORD 25(2010105) The ACORD name and logo are registered marks of ACORD
The Commonwealth of Massachusetts
Department of lndustrialAccidents
ice of Investigations
I Congress Street, Suite 100
Boston,MA 01114-2017
www.mass.gov/dia
Workers' Compensation Insurance Affidavit: Builders/Contractors/Electricians/Plumbers
Applicant Information Please Print Le ibly
NaIn0 (Business/Organization/Individual):
Vivint Solar Developer, LLC
Address:3301 North Thanksgiving Way, Suite 500
City/StatelZip: Lehi, UT 84043 Phone #:801-377-9111
Are you an employer?Check the appropriate box: 'Type of project(required):
1.® I am a employer with 8® 4. ❑ I am a general contractor and I .
employees(full and/or part-time).* have hired the sub-contractors 6. New construction
2.❑ I am a sole proprietor or partner- listed on the attached sheet. 7. ❑ Remodeling
shipand have no employees These sub-contractors have g
❑ Demolition
working for me in any capacity. employees and have workers'
[No workers' comp. insurance comp. insurance.$ 9. ❑ Building addition
required.] 5. ❑ We are a corporation and its 10.❑ Electrical repairs or additions
3.❑ I am a homeowner doing all work officers have exercised their 11.❑ Plumbing repairs or additions
myself. [No workers' comp. right of exemption per MGL
insurance required.] t c. 152, §1(4),and we have no 12.❑ Roof repairs
employees. [No workers' 13.N Other Solar Installation
comp. insurance required.]
'Any applicant that checks box 41 must also fill out the section below showing their workers'compensation policy infoonation.
t Homeowners who submit this affidavit indicating they are doing all work and then hire outside contractors must submit anew affidavit indicating such.
tContractors that check this box must attached an additional sheet showing the name of the sub-contractors and state whether or not those entities have
employees. If the sub-contractors have employees,they must provide their workers'comp.policy number.
I am an employer that is providing workers'compensation insurance for my employees. Below is the policy and job,site
information.
Insurance Company Name:Zurich American Insurance Company
Policy#or Self-ins. Lic.#:WC 50960I1300 Expiration Date: 11/1/2015
u
Job Site Address: I 1 O AA\�'0 La n Ayk-k City/State/Zip: SM UM
Attach a copy of the workers' compensation policy declaration page(showing the policy number and expiration date).
Failure to secure coverage as required under Section 25A of MGL c. 152 can lead to the imposition of criminal penalties of a
fine up to$1,500.00 and/or one-year imprisonment, as well as civil penalties in the form of a STOP WORK ORDER and a fine
of up to$250.00 a day against the violator. Be advised that a copy of this statement may be forwarded to the Office of
Investigations of the DIA for insurance coverage verification.
I do hereby certify under fire pains and penalties ofperjury that the information provided above is true and correct
Sio-nature: Date: I I�
Phone#: 801-2296459
Official use only. Do not write in this area,to be completed by city or town official.
City or Town: Permit/License #
Issuing Authority(circle one):
1. Board of Health 2. Building Department 3. City/Town Clerk 4. Electrical Inspector 5.Plumbing Inspector
6. Other
Contact Person: Phone#:
it it
p �
7� �r�rrvrid�tw�c�� 0� �vra�cr,�tru��t�
(� Office of Consumer Affairs and Business Regulation
10 Park Plaza - Suite 5170
Boston, Massachusetts 02116
Home Improvement Contractor Registration
Registration: 170848
Type: Supplement Card
VIVINT SOLAR DEVELOPER LLC. Expiration: 1/5/2016
JAMES SHERMAN
4931 NORTH 300 WEST
PROVO, UT 84604
Update Address and return card.Mark reason for change.
SCA 1 0 20M-05111 Address Renewal ❑ Employment Lost Card
fit Massachusetts -Department of Public Safety
�f Board of Building Regulations and Standards
ConstructioSupenikor
n
License: CS-045-045254
JAMES R SHERMAN -
6 Fox Hollow Drive
SAUGUS MA 01406 �®
Expiration
Commissioner 08/28/2016
ii ii
3301 North Thanksgiving Way,Suite 500
Structural Group Lehi,UT84043
P: (801) 234-7050
Scoff E. Wyssling, PE
Head of Structural Engineering scott.wysslingCi vivintsolaLCOm
December 5, 2014
Mr. Dan Rock, Project Manager
Vivint Solar
24 Normac Road
Woburn MA 01801
Re: Structural Engineering Services
Leger Residence
140 Highland Avenue, Salem MA
S-4078232
11.985 kW System
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 Vivint Solar representative identifying specific site information
including size and spacing of rafters 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 2 x 8 dimensional
lumber at 16" on center. The attic space is unfinished and photos indicate that there was free access to visually
inspect the size and condition of the roof rafters. All wood material utilized for the roof system is assumed to be
Spruce-Pine-Fir#2 or better with standard construction components. Our review of the photos of the exterior roof
does not indicate any signs of settlement or misalignment caused by overstressed underlying members.
Stability Evaluation:
A. Wind Uplift Loading
1. Refer to attached Ecolibrium Solar calculations sheet for ASCE/SEI 7-10 Minimum Design Loads for
Buildings and other Structures, wind speed of 100 mph based on Exposure Category "B" and 10 and 30
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 2 of 2
B. Loading Criteria
10 PSF= Dead Load roofing/framing 40 PSF= Live Load (ground snow load)
5 PSF= Dead Load solar panels/mounting hardware
Total Dead Load=15 PSF
The above values are within acceptable limits of recognized industry standards for similar structures. Analysis
performed of the existing roof structure utilizing the above loading criteria indicates that the existing rafters will
support the additional panel loading without damage, if installed correctly.
C. Roof Structure Capacity
1. The photographs provided of the attic space and roof rafters show that the framing is in good condition
with no visible signs of damage caused by prior overstressing.
D. 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 (ecolibriumsolar.com). If during solar panel
installation, the roof framing members appear unstable, deteriorated, structurally compromised or deflect
non-uniformly, our office should be notified before proceeding with the installation.
2. Maximum allowable pullout per lag screw is 235 Ibs/inch of penetration as identified in the National Design
Standards (NDS) of timber construction specifications for Hem-Fir (North Lumber) assumed. Based on
our evaluation, the pullout value, utilizing a penetration depth of 2 1/2", is less than what is allowable per
connection and therefore is adequate. Based on the variable factors for the existing roof framing and
installation tolerances, using a thread depth of 2 1/z' with a minimum size of 5/16" lag screw per
attachment point for panel anchor mounts should be adequate with a sufficient factor of safety.
3. Considering the roof slopes, the size, spacing, condition of roof, the panel supports shall be placed at and
attached to no greater than every fourth roof rafter as panels are installed perpendicular across rafters
and no greater than the panel length when installed parallel to the rafters (portrait). No panel supports
spacing shall be greater than four (4) rafter spaces or 64"o/c, whichever is less.
4. Panel supports connections shall be staggered to distribute load to adjacent rafters.
Based on the above evaluation, it is the opinion of this office that with appropriate panel anchors being utilized the
roof system will adequately support the additional loading imposed by the solar panels. This evaluation is based on
information supplied to us at the time of this report and current industry standards and practices.
Should you have any questions regarding the above or if you require further information do not hesitate to contact me.
ery truly yours, o�� OF y�
.40 _P�
Y
40
Scott E.WY ling, P cw
MA License No.
9p�, FGIS7EP'0
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temperature for ASHRAE location most similar to Installation location: 39"C
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THIS PANEL FED BY MULTIPLE SOURCES
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Vivint Solar - PV Solar Rooftop System Permit Submittal
1. Project Information
Project Name: John Leger
Project Address: 140 Highland Ave,Salem MA
A.System Description:
The array consists of a 11.73 kW DC roof mounted Photovoltaic power system operating in parallel with the utility grid.There are(46)
255-watt modules and(46)215-watt micro-inverters,mounted on the back of each PV module.The array includes(3) PV circuit(s).The
array is mounted to the roof using the engineered racking solution from Eeolibrium Solar.
B.Site Design Temperature: (From Boston Logan INTL ARPT weather station)
Average low temperature: -21.1 °C (-5.98°F)
Average high temperature: 38.4°C (101.12°F)
C. Minimum Design Loads:
Ground Snow Load: 40 psf (State Board BR&S)
Design Wind Speed: 100 mph (State Board BR&S)
2. Structural Review of PV Array Mounting System:
A.System Description:
1.Roof type: EcoX Comp. Shingle
2.Method and type of weatherproofing roof penetrations: Flashing
B. Mounting System Information:
1.Mounting system is an engineered product designed to mount PV modules
2.For manufactured mounting systems,following information applies:
a.Mounting System Manufacturer: Eeolibrium Solar
b.Product Name: ECorall
c.Total Weight of PV Modules and mounting hardware: 1936.9 Ibs
d.Total number of attachment points: 119
e.Weight per attachment point: 16.27 Ibs
f.Maximum spacing between attachment points: * See attached engineering talcs
g.Total surface area of PV array: 808.86 square feet
h.Array pounds per square foot: 2.39 lbs/square foot
i. Distributed weight of PV array on roof sections:
-Roof section 1: (28)modules,(54)attachments 21.83 pounds
-Roof section 2: (14)modules,(35)attachments 10.71 pounds per square foot
-Roof section 3: (4)modules,(10)attachments 16.84 pounds per square foot
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3. Electrical Components:
A. Module (UL 1703 Listed) Qty
Yingh Energy YL255P-29b 46 modules
Module Specs
Pmax-nominal maximum power at STC - 255 watts
Vmp-rated voltage at maximum power - 30 volts
Voc-rated open-circuit voltage - 37.7 volts
Imp-rated current at maximum power - 8.49 amps
Ise-rate short circuit current - 9.01 amps
B. Inverter (UL 1741 listed) Qty
Enphase M215-60-2LL-S22 46 inverters
Inverter Specs
1. Input Data (DC in)
Recommended input power(DC) - 260 watts
Max.input DC Voltage - 45 volts
Peak power tracking voltage - 22V-36V
Min./Max.start voltage - 22V/45V
Max. DC short circuit current - 15 amps
Max. input current - 10.5 amps
2. Output Data (AC Out)
Max.output power - 215 watts
Nominal output current - 0.9 amps
Nominal voltage - 240 volts
Max. units per PV circuit - 17 micro-inverters
Max. OCPD rating - 20 amp circuit breaker
C.System Configuration
Number of PV circuits 3
PV circuit 1 - 17 modules/inverters (20) amp breaker
PV circuit 2 - 16 modules/inverters (20) amp breaker
PV circuit 3 - 13 modules/inverters (15) amp breaker
2011 NEC Article 705.60(B)
D. Electrical Calculations
1. PV Circuit current
PV circuit nominal current 15.3 amps
Continuous current adjustment factor 125% 2011 NEC Ardde 705.60(B)
PV circuit continuous current rating 19.125 amps
2.Overcurrent protection device rating
PV circuit continuous current rating 19.125 amps
Next standard size fuse/breaker to protect conductors 20 amp breaker
Use 20 amp AC rated fuse or breaker
3.Conductor conditions of use adjustment(conductor ampacity derate)
a.Temperature adder
Average high temperature 38.4 cC (101.12°F)
Conduit is installed 1"above the roof surface Add 22°C to ambient 2011 NEC Arcide 705.60(l3)
Adjusted maximum ambient temperature 60.4°C (140.72°F)
b.PV Circuit current adjustment for new ambient temperature
Derate factor for 60.4°C (140.72°F) 71% 2011 NEC Amde 705.60(B)
Adjusted PV circuit continuous current 26.9 amps
c.PV Circuit current adjustment for conduit fill
Number of current-carrying conductors 9 conductors
Conduit fill derate factor 70% 2011 NEC Article 705.60(B)
Final Adjusted PV circuit continuous current 18.8 amps
Total derated ampacity for PV circuit 18.8 amps
Conductors (tag2 on Mine)must be rated for a minimtun of 18.8 amps
T14WN-2 (90°C) #10AWG conductor is rated for 40 amps (Use#IOAWG w larger) 2011 NEC Article 705.60(B)
4.Voltage drop (keep below 3%total)
2 parts.
1.Voltage drop across longest PV circuit micro-inverters (from modules to j-box)
2.Voltage drop across AC conductors (from j-box to point of interconnection)
1.Mirco-inverter voltage drop: 0.35%
The largest number of micro-inverters in a row in the entire array is Il inCircuit 1. According to
manufacturer's specifications this equals a voltage drop of 0.35%.
2.AC conductor voltage drop:
=I x R x D (=240 x 100 to convert to percent)
_ (Nominal current of largest circuit)x(Resistance of#10AWG copper) x (Total wire tun)
_ (Circuit I nominal current is 15.3 amps)x(0.00126Q)x (190) -(240 volts)x(100) 1.52%
Total system voltage drop: 1.87%
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EcolibriumSolar
Customer Info
Name:
Email:
Phone:
Project Info
Identifier: 17328
Street Address Line 1: 140 Highland Ave
Street Address Line 2:
City: Salem
State: MA
Zip: 01970
Country: United States
System Info
Module Manufacturer: Yingli Solar
Module Model: YL255C-30b
Module Quantity: 46
Array Size (DC watts): 11730.0
Mounting System Manufacturer: Ecolibrium Solar
Mounting System Product: EcoX
Inverter Manufacturer: Enphase Energy
Inverter Model: M215
Project Design Variables
Module Weight: 40.8 Ibs
Module Length: 65.0 in
Module Width: 39.0 in
Basic Wind Speed: 100.0 mph
Ground Snow Load: 40.0 psf
Seismic: 0.0
Exposure Category: B
Importance Factor: II
Exposure on Roof: Partially Exposed
Topographic Factor: 1.0
Wind Directionality Factor: 0.85
Thermal Factor for Snow Load: 1.2
Lag Bolt Design Load - Upward: 820 Ibf
Lag Bolt Design Load - Lateral: 288 Ibf
EcoX Design Load - Downward: 493 Ibf
EcoX Design Load - Upward: 568 Ibf
EcoX Design Load - Downslope: 353 Ibf
EcoX Design Load -Lateral: 233 Ibf
Module Design Moment— Upward: 3655 in-lb
Module Design Moment— Downward: 3655 in-lb
Effective Wind Area: 20 ft2
Min Nominal Framing Depth: 2.5 in
Min Top Chord Specific Gravity: 0.42
EcolibriumSolar
Plane Calculations (ASCE 7-05): 1
Roof Shape: Gable Edge and Corner Dimension: 3.0 ft
Roof Type: Composition Shingle Stagger Attachments: No
Average Roof Height: 15.0 ft Include Snow Guards: No
Least Horizontal Dimension: 15.0 ft
Roof Slope: 30.0 deg
Truss Spacing: 16.0 in
Snow Load Calculations
Description Interior Edge Corner Unit
Flat Roof Snow Load 33.6 33.6 33.6 psf
Slope Factor 0.73 0.73 0.73
Roof Snow Load 24.5 24.5 24.5 psf
Wind Pressure Calculations
Description Interior Edge Corner Unit
Net Design Wind Pressure Uplift -17.1 -20.1 -20.1 psf
Net Design Wind Pressure Downforce 16.0 16.0 16.0 psf
Adjustment Factor for Height and Exposure Category 1.0 1.0 1.0
Design Wind Pressure Uplift -17.1 -20.1 -20.1 psf
Design Wind Pressure Downforce 16.0 16.0 16.0 psf
ASD Load Combinations
Description - Interior Edge Corner Unit
Dead Load 2.3 2.3 2.3 psf
Snow Load 24.5 24.5 24.5 psf
Downslope: Load Combination 3 11.8 11.8 11.8 psf
Down: Load Combination 3 20.4 20.4 20.4 psf
Down: Load Combination 5 18.0 18.0 18.0 psf
Down: Load Combination 6a 27.8 27.8 27.8 psf
Up: Load Combination 7 -15.9 -18.9 -18.9 psf
Down Max 27.8 27.8 27.8 psf
Spacing Results(Landscape)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 62.3 62.3 62.3. in
Max Spacing Between Attachments With Rafter/Truss Spacing of 16.0 in 48.0 48.0 48.0 in
Max Cantilever from Attachment to Perimeter of PV Array 20.8 20.8 20.8 in
Spacing Results(Portrait)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 39.3 39.3 39.3 in
Max Spacing Between Attachments With Rafterlrruss Spacing of 16.0 in 32.0 32.0 32.0 in
Max Cantilever from Attachment to Perimeter of PV Array 13.1 13.1 13.1 in
'
EcolibriumSolar
Layout
Skirt
e Coupling
O Clamp Warning: PV Modules may need to be shifted with respect to roof trusses to comply with
® Bonding Jumper maximum allowable overhang.
EcolibriumSolar
Plane Calculations (ASCE 7-05): 3
Roof Shape: Gable Edge and Corner Dimension: 3.0 ft
Roof Type: Composition Shingle Stagger Attachments: No
Average Roof Height: 15.0 ft Include Snow Guards: No
Least Horizontal Dimension: 15.0 ft
Roof Slope: 30.0 deg
Truss Spacing: 16.0 in
Snow Load Calculations
Description Interior Edge Corner Unit
Flat Roof Snow Load 33.6 33.6 33.6 psf
Slope Factor 0.73 0.73 0.73
Roof Snow Load 24.5 24.5 24.5 psf
Wind Pressure Calculations
Description Interior Edge Corner Unit
Net Design Wind Pressure Uplift -17.1 -20.1 -20.1 psf
Net Design Wind Pressure Downforce 16.0 16.0 16.0 psf
Adjustment Factor for Height and Exposure Category 1.0 1.0 1.0
Design Wind Pressure Uplift -17.1 -20.1 -20.1 psf
Design Wind Pressure Downforce 16.0 16.0 16.0 psf
ASD Load Combinations
Description Interior Edge Corner Unit
Dead Load 2.3 2.3 2.3 psf
Snow Load 24.5 24.5 24.5 psf
Downslope: Load Combination 3 11.8 11.8 11.8 psf
Down: Load Combination 3 20.4 20.4 20.4 psf
Down: Load Combination 5 18.0 18.0 18.0 psf
Down: Load Combination 6a 27.8 27.8 27.8 psf
Up: Load Combination 7 -15.9 -18.9 -18.9 psf
Down Max 27.8 27.8 27.8 psf
Spacing Results(Landscape)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 62.3 62.3 62.3 in
Max Spacing Between Attachments With Rafter/Truss Spacing of 16.0 in 48.0 48.0 48.0 in
Max Cantilever from Attachment to Perimeter of PV Array 20.8 20.8 20.8 in
Spacing Results(Portrait)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 39.3 39.3 39.3 in
Max Spacing Between Attachments With Rafter/Truss Spacing of 16.0 in 32.0 32.0 32.0 in
Max Cantilever from Attachment to Perimeter of PV Array 13.1 13.1 13.1 in
EcolibriumSolar
Layout
Skirt
o Coupling
O Clamp Warning: PV Modules may need to be shifted with respect to roof trusses to comply with
® Bonding Jumper maximum allowable overhang.
EcolibriumSolar
Plane Calculations (ASCE 7-05): 2
Roof Shape: Gable Edge and Corner Dimension: 3.0 ft
Roof Type: Composition Shingle Stagger Attachments: No
Average Roof Height: 15.0 ft Include Snow Guards: No
Least Horizontal Dimension: 15.0 ft
Roof Slope: 13.0 deg
Truss Spacing: 16.0 in
Snow Load Calculations
Description Interior Edge Corner Unit
Flat Roof Snow Load 33.6 33.6 33.6 psf
Slope Factor 1.04 1.04 1.04
Roof Snow Load 34.9 34.9 34.9 psf
Wind Pressure Calculations
Description Interior Edge Corner Unit
Net Design Wind Pressure Uplift -16.0 -26.4 -39.6 psf
Net Design Wind Pressure Downforce 9.4 9.4 9.4 psf
Adjustment Factor for Height and Exposure Category 1.0 1.0 1.0
Design Wind Pressure Uplift -16.0 -26.4 -39.6 psf
Design Wind Pressure Downforce 16.0 16.0 16.0 psf
ASD Load Combinations
Description Interior Edge Corner Unit
Dead Load 2.3 2.3 2.3 psf
Snow Load 34.9 34.9 34.9 psf
Downslope: Load Combination 3 8.2 8.2 8.2 psf
Down: Load Combination 3 35.4 35.4 35.4 psf
Down: Load Combination 5 18.3 18.3 18.3 psf
Down: Load Combination 6a 39.1 39.1 39.1 psf
Up: Load Combination 7 -14.6 -25.0 -38.2 psf
Down Max 39.1 39.1 39.1 psf
Spacing Results (Landscape)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 46.5 46.5 46.5 in
Max Spacing Between Attachments With Rafter/Truss Spacing of 16.0 in 32.0 32.0 32.0 in
Max Cantilever from Attachment to Perimeter of PV Array 15.5 15.5 15.5 in
Spacing Results(Portrait)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 27.9 27.9 27.9 in
Max Spacing Between Attachments With Rafterf Russ Spacing of 16.0 in 16.0 16.0 16.0 in
Max Cantilever from Attachment to Perimeter of PV Array 9.3 9.3 9.3 in
EcolibriumSolar
Layout
r,
¢ - x
Skirt
e Coupling
O Clamp Warning: PV Modules may need to be shifted with respect to roof trusses to comply with
® Bonding Jumper maximum allowable overhang.
EcolibriumSolar
Distributed Weight (All Planes)
In Conformance with Solar ABC's Expedited Permit Process for PV System (EPP)
Weight of Modules: 1877 Ibs
Weight of Mounting System: 238lbs
Total System Weight: 2115 Ibs
Total Array Area: 810 ft2
Distributed Weight: 2.61 psf
Number of Attachments: 119
Weight per Attachment Point: 18 Ibs
Bill Of Materials
Part Name Quantity
ECO-001_101 EcoX Clamp Assembly 119
ECO-001_102 EcoX Coupling Assembly 57
ECO-001_105B EcoX Landscape Skirt Kit 7
ECO-001 105A EcoX Portrait Skirt Kit 5
ECO-001_103 EcoX Composition Attachment Kit 119
ECO-001_116 EcoX Flat-Tile Flashing 0
ECO-001_117 EcoX S-Tile Flashing 0
ECO-001_118 EcoX W-Tile Flashing 0
ECO-001_363 EcoX Lower Support-Tile 0
ECO-001_109 EcoX Electrical Assembly 3
ECO-001_106 EcoX Bonding Jumper Assembly 10
ECO-001_104 EcoX Inverter Bracket Assembly 46
ECO-001 338 EcoX Connector Bracket 46