160 OCEAN AVE W - BUILDING INSPECTION �-� 217Z
t C� - 1 � — ��� Z / 9 /0
ic�l The Commonwealth of Massachusetts
a 'A Board of Building Regulations andStandards INSPECT IOId�1 VICES
\ ? SALEM
Massachusetts State Building Code, 780 CMR
'a- d Mggr z��{6 1
` Building Permit Application To Construct, Repair, Renovate Or DemolizoW eves—§ H 9
NOne-or Two-Family Dwelling
This Section For Of5cial Use Only
Building Permit Number: ate Applied:
+ 42 °[ G
Building Official(Print Name) Signature Date
1 SECTION 1: SITE INFORMATION
I 1,1 roperty Ad ress• 1.2 Assessors Map&Parcel Numbers
�<o� MY) av`e
1.1 a Is this an accepted street?yes no Map Number Parcel Number
1.3 Zoning Information: 1.4 Property Dimensions:
I
^ Zoning District Proposed Use Lot Area(sq ft) Frontage(11)
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'ofRecord:John Radziewicz Salem, MA. 01970
Name(Print) City,State,ZIP
160 Ocean Ave W. 978-852-9425 Jradziew@comcast.net
No.and Street 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_ Other Cl Specify:
Brief Description of Proposed Work'': in
SI Ot 1�cC,tM
in )
13 V1')
SECTION 4: ESTIMATED CONSTRUCTION COSTS
Item Estimated Costs:
(Labor and Materials) Ofricial Use Only
I. Building $ TOO 1. Building Permit Fee:$ Indicate how fee is determined:
2.Electrical $ ❑Standard City/Town Application Fee
❑Total Project Cost'(Item 6)x multiplier x
3.Plumbing $ 2. Other Fees: $
4. Mechanical (HVAC) $ List:
5.Mechanical (Fire $
Suppression) Total All Fees:$
p Check No. Check Amount: Cash Amount:
6.Total Project Cos[: $a O oGJO'a0 ❑Paid in Full ❑Outstanding Balance Due:
M Ip
SECTION 5: CONSTRUCTION SERVICES
5.1 Construction Supervisor License(CSL)
JCk 1 Ip Expiration Date
Name of CSL[folder
1 n F ` ,\, Q� _0 A List CSL Type(see below) U
�t CJ'� ` 1U [/a` Type No.and Street YP Description
U Unrestricted(Buildings up to 35,000 cu.it.)
City/fowu,State,ZI/l/��' "1 R Restricted I&2 Family Dwelling
M Masonry
RC Roofin Coverin
WS Window and Siding
_ ♦ SF Solid Fuel Burning Appliances
�IB)30S�WJ MMSQ4AV9\J\UiOfSArAY • I Insulation
Tele hone Email address D Demolition
5.2 Registered Home Improvement Contractor(HIC)
�t ` ' 1/� �
o V \t' `� I ar HIC Registration Number Expiration Date
HIC Comq�y1N,am�rjilC.Regis nl Name
No.an ``�/fllreet.JJ``u v)-v gk� �A 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...........❑
SECTION 7a: OWNER AUTHORIZATION TO BE COMPLETED WHEN
OWNER'S AGENT OR CONTRACTOR APPLIES FOR BUILDING PERMIT
I,as Owner of the subject property,hereby authorize V kOn t ScAc1y-
to act on my behalf,in all matters relative to work authorized by this building permit application.
12/01/14
Print Owner's Name'(Electruni'e, ig ) 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 Agent' a(Ele nic Signature) Date
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. 142A.Other important information on the HIC Program can be found at
www.mass.uov.'oca Information on the Construction Supervisor License can be found at www mass gov%d ads
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
A CERTIFICATE OF LIABILITY INSURANCE DATE(10/3112014 YYY)
2014
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 policy(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 UVCNN. Juc No:
DENVER,CO 80202-5534 E-IRAIL
Attn:Demver.cerhequest@nmrsh.cem,Fax 212.948.4381 ADDRESS:
INSURE S AFFORDING COVERAGE NAICd
462738-STND-GAWUE-14-15 INSURER A:Evanston Insurance Company 35378
INSUREDMVlnl Solar,Inc INSURER B Zurich American Insurance Company 16535
Vivinl 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-00236BM08 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.
ILR BR POLICY
TR TYPEOFINSURANCE JI POUCYNUMBER MM/DDYYYY MM LIMITS
A GENERALLUUNUTY 14PKGWE00274 11/01/2014 11101/2015 EACH OCCURRENCE $ 1,000,000
% COMMERCIAL GENERAL LIABILITY PREMISES E TOEa ocauRENT1nence $ 50,000
CLAIMS-MADE MOCCUR M ED EXP(Any one person) S 5,000
X $5,000 Ded.BI 8 PD PERSONAL S ADV INJURY $ 1,000,000
GENERAL AGGREGATE $ 2,000,000
GEN'L AGGREGATE LIMIT APPLIES PER: PRODUCTS-COMP/OP AGG $ 2,000,000
POLICY X PRO- LOG $
JFCT
B AUTOMOBILE uABIuTY BAP509601500 11/0112014 11/012015 Ewa eBINEDitSINGLE LIMIT $ 1,000,000
X ANY AUTO BODILY INJURY(Per person) $
ALL OWNED SCHEDULED BODILY INJURY(Per acdden0 $
AUTOS AUTOS
% % NON-OWNED PROPERTY DAMAGE $
HIRED AUTOS AUTOS Per acriderII
S
A UMBRELLAUJUI X OCCUR 14EFXWEOCD88 11I012014 11/012015 EACH OCCURRENCE $ 5,000,000
X EXCESS UAB CLAIMS-MADE AGGREGATE $ 5,000,000
DED RETENTION$ S
C WORKERS COMPENSATION WC509601300 11/01/2014 W012015 X I WC STATu- OTH-
AND EMPLOYERS'LIABILITYST
B ANY PROPRIETOWPARTNER/ ECUTIVE YIN WD509601400 11/01/2014 11/012015 E.L.EACH ACCIDENT $ 1,000,000
OFFICER/MEMBER EXCLUDED? NIA
(Mandatory In NH) N] E.L.DISEASE-EA EMPLOYEE $ 1,000,000
If yes,describe urMer - 1,000,000
DESCRIPTION OF OPERATIONS below E.L.DISEASE-POUCY OMIT $
A Errors 8 Omissions 8 14PKGWE00274 11/012014 11/01/2015 LIMIT 1,000,000
Contractors Pollution DEDUCTIBLE 5.000
DESCRIPTION OF OPERATIONS I LOCATIONS I VEHICLES (Atlaeh ACORD 101,AddWanal Remsrtis Schedule,If more space is required)
The Certificate Holder and others as defined in the written agreement ale 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 and 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 Ar. f44Z6W-
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 Industrial Accidents
d Office of Investigations
" I Congress Street, Suite 100
a Boston,M4 02114-2017
y www.mass.gov/dia
Workers' Compensation Insurance Affidavit: Builders/Contractors/Electricians/Plumbers
Applicant Information Please Print Le ibly
Name (Business/Organization/Individual):
Vivint Solar Developer, LLC
Address:3301 North Thanksgiving Way,Suite 500
City/State/Zip: Lehi, UT 84043 Phone #:801-377-9111
Are you an employer? Check theappropriate box: Type of project(required):
1. I am a employer with ® 4. ❑ I am a general contractor and I
1
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
and have workers' ❑ Demolition
working forme in any capacity. employees 9. ❑ Building addition
[No workers' comp. insurance comp. insurance3
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 l I.❑ 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' 13.0 Other Solar Installation
comp. insurance required.]
*Any applicant that checks box 41 must also fill out the section below showing their workers'compensation policy information.
t Homeowners who submit this affidavit indicating they are doing all work and then hire outside contractors must submit anew affidavit indicating such.
(Contractors 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 509601300 Expiration Date: 11/1/2015
Job Site Address: W�0--1 ' CAV',-C W City/State/Zip:
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 the pains and penalties ofperjury that the information provided above is true and correct
Sienature: Date '
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#:
U !'G� l(JfYN/?//'/'G(YJ'�2 oy U(/G2Z%✓I�GYl/Ll%PiGU,y
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, LIT 84604
Update Address and return card.Mark reason for change.
sCA i e, 2CM-05/11 ❑ Address ❑ Renewal ❑ Employment Lost Card
}� Massachusetts -Department of Public Safety
/ Board of Building Regulations and Standards
ConstructionSupeSupersi
License:
4
LicenseeC: S-04525
JAMES R SHER117SxkAI -
6 Fox Hollow DrKe y!
SAUGUS MA 01306 �,,�
may'
Expiration
Commissioner 0 8/2 812 01 6
k E
W W
vowu Y i solar 3301 North Thanksgiving Way,Suite 500
Structural Group Lehi,UT84043
P: (801)234-7050
Scott E. Wyssling, PE
Head of Structural Engineering scott.wyssling9vivintsolar.com
December 2, 2014
Mr. Dan Rock, Project Manager
Vivint Solar
24 Normac Road
Woburn MA 01801
Re: Structural Engineering Services
Radziewicz Residence
160 Ocean Avenue W, Salem MA
S-3641665
6.12 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 19.2" 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 33 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.
bodont. s o l a r
Ef � ,
Page 2of2
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 Yz", 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 1/2' 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 third 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 three (3) rafter spaces or 57.6"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, �c^
ZH OF �9
O o=s' E CyG
40
Scott E. Wy ling, P cw�
MA License No. o so
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P �1 m y ROOF m y INSTALLER NUMBER:1.6]7.404.4129 �����Sj S O 'l 1600cean Ave W
V L,Q A MA LICENSE:MAHIC 170MB u� I Salem,MA 01970 - J
PLAN ORAWN BY:BRG JAR4067oa0 Last Modified:11/17/2014 UTILITY ACCOUNT NUMBER:75627-56019
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Imorter MakelMWel FmmxeMmS662LLS2x-ZC Conduit and Conductor Schedule
MODULE DETAIL Max DC Vox Rating 45 Velte rep oearr;pe,, so.ce.e. ademdewe Cd ITxce V r
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MICRO-INVERTER AT YES NO XNA M1localMakelli Vingli EnergyYL255P-29b N�
EACH MODULE,ATTACHED Max Power-Point Current(Imp) 8.32 Ampa V°m?
2.)IF GENERATION METER REQUIRED,DOES THIS METER Max Power-Point Voltage 30.fi Volts WITH ECO HARDWARE �'2 so 0
ROCKET MEET THE REQUIREMENTS? OparCirwit Voltage 38J Volts
YES NO %NA BrorlQmuit Cunenl(Ise) BOB Amps Q
3.)SIZE PHOTOVOLTAIC POWER SOURCE DC CONDUCTORS Max Series Fuse OCPD 'per'
BASED ON MAX CURRENT ON NEC fi90.53 SIGN OR OCPO Nominal Maximum Power at STC(Pmax) 255 Wabs N
MICROINVERTER CON NECTION _ RATING AT DISCONNECT. F
TO ENGAGE TRUNK CABLE Maximum System Voltage IDao(IEcy6o0(ULI
4.)SIZE INVERTER OUTPUT(AC)CONDUCTORS ACCORDING Voc Tempembre COeRcienl /�/
^ TO INVERTER OCPO AMPERE RATING(See Guide Section 9), L.l_
V 5.)TOTAL OF 2 INVERTER OCPD(s).ONE FOR EACH NOTES FOR ARRAY CIRCUIT WIRING IGuide Section 6 and 8 and Appendix 01'
PV CIRCUIT.DOES TOTAL SUPPLY BREAKERS COMPLY
WITH 120%BUSBAR EXCEPTION IN i)Lowest expected ambient temperature based on ASHRAE minimum meanextreme
#6 BARE CU GROUND NEC 690.64(8)(2)(a)? XYES NO dry bulb temperature for ASHRAE beaten most similar to installation location -19°C
(GROUNDING ARRAY) Signs(See Guide Section 7) 2.)Highest continuous appeenttemperature based on ASHRAE highest month 2%dry bulb � �
lemeandure for ASHRAE location most similar to installation location: 39°C
Sign for invader OCPO and AC Disconnect 3.)2005 ASHRAE fundamentals 2%design temperatures do not exceed 47°C in the
United States(Palm Springs,CA is 44.1°C).For less than 9 currenhcanying conductors
Solar PV System AC Point of Connection in roofmounted sunlit conduit at least 0.5-above roof and using me outdoor design
ACOutput Cunent 1 19.800000 1 Amps temperature of 47°C or less(all of United States).
Nominal AC ensign 240 'ells a.)12 AVID,90°C conductors are generelly acceptable for modules with Ise of 7.68 Amps o
or less when protected by a 12-Amp or smaller ruse.
THIS PANEL FED BY MULTIPLE SOURCES r
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or less when protectedb ¢iSAnt or smaller fuse. ��F
' NOTE:NEUTRAL CONDUCTOR(S)OMITTED FOR CLARITY a
ALL INVERTER OUTPUT CIRCUITS WILL HAVE A NEUTRAL CONDUCTOR E
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Vivint Solar - PV Solar Rooftop System Permit Submittal
1. Project Information
Project Name: John Radziewicz
Project Address: 160 Ocean Ave W,Salem MA
A. System Description:
The array consists of a 5.61 kW DC roof-mounted Photovoltaic power system operating in parallel with the utility grid.There are(22)
255-watt modules and (22)215-watt micro-inverters,mounted on the back of each PV module.The array includes (2) PV circuit(s).The
array is mounted to the roof using the engineered racking solution from Ecolibrium Solar.
B.Site Design Temperature: (From Boston Logan 1NTL 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: 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: Ecolibrium Solar
b.Product Name: Ecorall
c.Total Weight of PV Modules and mounting hardware: 926.3 Ibs
d.Total number of attachment points: 44
e.Weight per attachment point: 21.05 Ibs
E Maximum spacing between attachment points: • See attached engineering talcs
g.Total surface area of PV array: 386.84 square feet
h. Array pounds per square foot: 2.39 Ibs/square foot
i.Distributed weight of PV array on roof sections:
-Roof section 1: (22)modules,(44)attachments 21.05 pounds
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3. Electrical Components:
A. Module (UL 1703 Listed) Qty
Yingli Energy YL255P-29b 22 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 M215-60-21.1:S22 22 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 2
PV circuit 1 - 11 modules/inverters (15)amp breaker
PV circuit 2 - 11 modules/inverters (15) amp breaker
2011 NEC Article 705.60(B)
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D. Electrical Calculations
1.PV Circuit current
PV circuit nominal current 9.9 amps
Continuous current adjustment factor 125% 2011 NEC Article 705.6003)
PV circuit continuous current rating 12.375 amps
2.Overcurrent protection device rating
PV circuit continuous current rating 12.375 amps
Next standard size fuse/bteaker to protect conductors 15 amp breaker
Use 15 amp AC rated fuse or breaker
3.Conductor conditions of use adjustment(conductor ampacity,derate)
a.Temperature adder
Average high temperature 38.4°C (101.12°F)
Conduit is installed 1"above the roof surface Add 22°C to ambient 2011 NEC Article 705.60(B)
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 Article 705.60(B)
Adjusted PV circuit continuous current 17.4 amps
c.PV Circuit current adjustment for conduit fill
Number of current-carrying conductors 6 conductors
Conduit fill derate factor 80% 2011 NEC Article 705.60(B)
Final Adjusted PV circuit continuous current 13.9 amps
Total derated ampacity for PV circuit 13.9 amps
Conductors(tag2 on 1-line)must be rated for a minimum of 13.9 amps
THWN-2 (90°C) #14AWG conductor is rated for 25 amps (Use#14AWG or lager) 2011 NEC Article 705.60(B)
4.Voltage drop(keep below 3%total)
2 pans,
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.rvErco-inverter voltage drop: 0.58%
The largest number of micro-inverters in a row in the entire array is 11 inCircuit 1.According to
manufacturer's specifications this equals a voltage drop of 0.58%.
2.AC conductor voltage drop:
= 1 x R x D (=240 x 100 to convert to percent)
_ (Nominal current of largest circuit)x(Resistance of#14AWG copper) x (Total wire run)
_ (Circuit 1 nominal current is 9.9 amps) x(0.00319Q)x (100) . (240 volts)x(100) 1.31%
Total system voltage drop: 1.89%
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EcolibriumSolar
Customer Info
Name:
Email:
Phone:
Project Info
Identifier: 16861
Street Address Line 1: 160 Ocean Ave W
Street Address Line 2:
City: Salem
State: MA
Zip: 01970
Country: United States
System Info
Module Manufacturer: Yingli Solar
Module Model: YL255P-29b
Module Quantity: 22
Array Size (DC watts): 5610.0
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
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EcolibriumSolar
Plane Calculations (ASCE 7-10): R1
Roof Shape: Gable Edge and Corner Dimension: 3.4 ft
Roof Type: Composition Shingle Stagger Attachments: Yes
Average Roof Height: 20.0 ft Include Snow Guards: No
Least Horizontal Dimension: 34.0 ft
Roof Slope: 33.0 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 0.68 0.68 0.68
Roof Snow Load 22.8 22.8 22.8 psf
Wind Pressure Calculations
Description Interior Edge Corner Unit
Net Design Wind Pressure Uplift -20.7 -24.3 -24.3 psf
Net Design Wind Pressure Downforce 19.4 19.4 19.4 psf
Adjustment Factor for Height and Exposure Category 1.0 1.0 1.0
Design Wind Pressure Uplift 1 -20.7 -24.3 -24.3 1 psf
Design Wind Pressure Downforce 19.4 19.4 19.4 psf
ASD Load Combinations
Description Interior Edge Corner Unit
Dead Load 2.3 2.3 2.3 psf
Snow Load 22.8 22.8 22.8 psf
Downslope: Load Combination 3 11.7 11.7 11.7 psf
Down: Load Combination 3 18.0 18.0 18.0 psf
Down:Load Combination 5 13.6 13.6 13.6 psf
Down:Load Combination 6a 22.7 22.7 22.7 psf
Up: Load Combination 7 -11.3 -13.4 -13.4 psf
Down Max 22.7 22.7 22.7 psf
Spacing Results(Landscape)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 68.9 68.9 68.9 in
Max Spacing Between Attachments With Rafter/Truss Spacing of 16.0 in 64.0 64.0 64.0 in
Max Cantilever from Attachment to Perimeter of PV Array 23.0 23.0 23.0 in
Spacing Results(Portrait)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 48.1 48.1 48.1 in
Max Spacing Between Attachments With Rafterrrruss Spacing of 16.0 in 48.0 48.0 48.0 in
Max Cantilever from Attachment to Perimeter of PV Array 16.0 16.0 16.0 in
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EcolibriunnSolar
Layout
Skirt
c Coupling
O Clamp Warning: PV Modules may need to be shifted with respect to roof trusses to comply with
0 Bonding Jumper maximum allowable overhang.
EcolibriurnSolar
Distributed Weight (All Planes)
In Conformance with Solar ABC's Expedited Permit Process for PV System (EPP)
Weight of Modules: 898 Ibs
Weight of Mounting System: 88 Ibs
Total System Weight: 986 Ibs
Total Array Area: 387 ft2
Distributed Weight: 2.54 psf
Number of Attachments: 44
Weight per Attachment Point: 22 Ibs
Bill Of Materials
Part Name Quantity
ECO-001_101 EcoX Clamp Assembly 44
ECO-001_102 EcoX Coupling Assembly 14
ECO-001_105B EcoX Landscape Skirt Kit 6
ECO-001_105A EcoX Portrait Skirt Kit 0
ECO-001_103 EcoX Composition Attachment Kit 44
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 1
ECO-001_106 EcoX Bonding Jumper Assembly 13
ECO-001_104 EcoX Inverter Bracket Assembly 22
ECO-001_338 EcoX Connector Bracket 22
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