HomeMy WebLinkAboutBuilding Permit #550-15 - 28 PATRIOT STREET 12/15/2014 i
TOWN OF NORTH ANDOVER
APPLICATION FOR PLAN EXAMINATION
i3 re mit N Date Received
Date Issued:
IMPORTANT:Applicant must complete all items on this page
LOCATION ?S
Pnn;
PROPERTY OWNER Y _. `ha A.D. _
-- _
Print" 100+Year OId,StrUcture yes no:
MAP=NO:
:PARCEL:,: ZONLN'G DISITrRICT: Historic District+ yes no;
F. Machine:Sho Villa e. es no
Wp` -:g� Y�
_y
TYPE OF IMPROVEMENT. PROPOSED USE
Residential Non- Residential
❑ New Building ❑ One family
❑Addition ❑Two or more family _❑ Indu_strial-_
El Alteration
❑ Repair, replacement ��..-
❑ DemolitionLocation
- ❑Septic r ❑Wel) Date J
ElWater/$ewer_._
No.
DESCRIF
. . TOWN OF NORTH ANDOVER
Certificate of Occupancy
� p� �\ _ -
Id�e�ntificat� ,;a .r Building/Frame Permit Fee $
OWNER: Name: b6 Y � Foundation Permit Fee �
.� -
Gr � x , �^ Other Permit Fee
ss $
Addre : TOTAL
_ �..
-CONTRACTOR Name:,-�
Address. . .� `_
Check#
Su•:ervisor's Construction UdensE .U 355 Building Inspector'
Horne Irnprove
ment License;_ Al
ARCHITECT/ENGINEER Phone:
�d-dTes . -----_ ---- - - - - - - - Reg. No.
FEE SCHEDULE:BULDING PERMIT:$12.00 PER$1000.00 OF THE TOTAL ESTIMATED COST BASED ON$125.00 PER S.F.
W.,5 . .CDAIE' i3tiwLt-D0
Total Project Cost: $ 1y D'LS,LO FEE: $ �
Check No.: I Receipt No.: C)Ls&C�
NOTE: Persons contracting with unregistered contractors do not have access to the guaranty fund
Signatureof Agent/®wnerM�'.- F_. . _ Sigature�ofcontractor .___ _.
Plans Submitted 0 Plans Waived ❑ Certified Plot Plan ❑ Stamped Plans ❑
Vivint Solar
29 Draper St
Woburn, MA 01801
Phone: (781) 350-3065
North Andover Building Department
c/o Gerald Brown
Dear Mr. Brown
This letter is to inform you that the following account(s) have been canceled, and therefore
will not be installed:
28 Patriot Rd
Permit Number: 550-15
Please cancel the associated permits and close them out in your system. If there are any
additional steps needed to secure a refund, please let me know and I will be happy to
complete them.
Thank you.
Best regards,
James Sherman
Construction Supervisor 045254
It) LID 1
40 0
���i�►,[kti{It11[fill 11g114sofs11rl1(t111,0-
S pobo o*
Aa� � 1��� )kM7M VAN
rIr:`moi,:$4.3 ISirw.,i�'�.as�`S��'X1111
M1A - �4^'.w �q3f T...w..•K.s: 144 .7}t 'i,:3'<*.^�+ r�:s
�:1 1 j
e
Vivint Solar
29 Draper St
Woburn, MA 01801
Phone: (781) 350-3065
North Andover Building Department
c/o Gerald Brown
Dear Mr. Brown
This letter is to inform you that the following account(s) have been canceled,and therefore
will not be installed:
28 Patriot Rd
Permit Number: 550-15
Please cancel the associated permits and close them out in your system. If there are any
additional steps needed to secure a refund, please let me know and I will be happy to
complete them.
Thank you.
Best regards,
James Sherman
Construction Supervisor 045254
i
cc�� cc��� Permit No®`
I +°
arar&wd o/}iM service s
Occupancyy and Fee Checked
BOARD OF FIRE PREVENTION REGULATIONS
ev. 1/07] cave blank
APPLICATION FOR PERMIT TO PERFORM ELECTRICAL WORK
All work to be performed in accordance with the Massachusetts Electrical Code(MEG),527 CMR 12.00
(PLEASE PRDVT W INK OR TYPE ALL INFORMATION} Date: �,e)- 114-(lJ .
City or Town of: N-Ondl3VW To the Inspector of Wires:
By this application the undersigned gives notice of his or her intention to perform the electrical work described below.
Location(Street&Number) �& DCLQ� St
Owner or Tenant �vh 1 f W\ rA A d-- Telephone No.919-Ile
Owner's Address A MT:- � V
Is this permit in conjunction with a bolding permit? Yes ❑ No ❑ (Check Appropriate Boa)
Purpose of Binding &�1,Q. f Q Y)I I LI t�C M,-e Utility Authorization No.
Existing Service;to Amps tao /84() Volts Overhead❑ Undgrd❑ No.of Meters
New Service Amps / Volts Overhead❑ Undgrd❑ No.of Meters
Number of Feeders and AmpaeW
Location and Nature of Proposed Electrical Work-- tf)C��f-G�\1 rx t-(on (')� rcr o x=DJ
Co kaon of the ollow, table may be waived by the ectorYYires.
No.of Recessed Luminaires No.of Ceil.-Susp.(Paddle)Fans o.of To
tal
Transformers KVA
No.of Luminaire Oadets No.of Hot Tabs Generators KVA
No.of LmminairesSwimming Pool Ab d. El d. ❑ Ad.67 Emergency
No.of Receptacle Outlets No.of Oil Burners FIRE ALARMS No.of Zones
No.of Switches No.of Gas Burners o'5TDet in Devices
No.
aanlaidees
No.of Ranges No.of Air Cond. Total Tons No.of Alerting Devices
Heat FOUND I Number I Tons o.o ontamed
JL'otm: e ccs
No.of Dishwashers Space/Area Heating KW Local❑
Connectioi�°ic� n ❑ Other
No.of Dryers Heating Appliances KW N of visystece* Equivalent
No.of Water KW o.S, o.as Data Wiring:
Heaters S' No.of Devices or Equivalent
No.Hydromassage Bathtubs No.of Motors Total HP Te ecommunicationsirisgg��.
No.of Devices or E aivalent
OTHER:
3 Attach additional detail if desired or as regrdred by the Inspector of N res.
Estimated Value of Electrical Work: 13LJW4•cep (When required by municipal policy.)
Work to Start» J-\b M Inspections to be requested in accordance with MEC Rule 10,and upon completion.
INSURANCE COVERAGE: Unless waived by the owner,no permit for the performance of electrical work may issue unless
the licensee provides proof of liability insurance including"completed operation"coverage or its substantial equivalent The
undersigned certifies that such coverage is in force,and has exhibited proof of same to the permit issuing office.
CHECK ONE: INSURANCE ❑ BOND ❑ OTHER ❑ (Specify:)
I ceWfy,under the pains and penalties ofPerjury,dhat the infornialion on this appkcation is cojWkte.
FIRM NAME: VkV Ant Sr Y LIC.NO,: Ca It 1 A
Licensee: Zam k� Signator LIC.NO.:--I J t11 A-
(If applicabl , enter " mpt"in the lice a nwnber line.) Bus.Tel.No., lSs1-30`J �j
Address: �Pu
Alt Tel.No.:Jgi-4-1°19*Per 11�LG.L.c. 147,s.57-6 ,security work requires Department of blic Safety"S"License: Lic.No.
OWNER'S INSURANCE WAIVER: I am aware that the Licensee does not have the liability insurance coverage normally
below,I hereby waive this rewiratnent I am the check one owner El owner's agent
GY;44 man
Signature Telephone No.
ii
The Commonwealth of Massachusetts
Department of Industrial Accidents
Office of Investigations
1 Congress Street,Suite 100
Boston,tVA 02114-2017
www mass.gov1dia
Workers'Compensation Insurance Affidavit. Builders/Contractors/Electricians/Plumbers
A-plicant Information Please PrintLegibly
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 the appropriate box: Type of project(required):
1. I am a employer with I Q 4. E] 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
ship and have no employees These sub-contractors have g, ❑ Demolition
working for me in any capacity. employees and have workers' 9. ❑ Building addition
[No workers' comp. insurance comp. insurance.1
required.] 5. ❑ We are a corporation and its 10.E] Electrical repairs or additions
3.❑ I am a homeowner doing all work officers have exercised their 1 I.❑ Plumbing repairs or additions
myself. [No workers' comp. right of exemption per MGL 12.❑ Roof repairs
insurance required.]t c. 152, §1(4),and we have no Solar Installation
employees. [No workers' 13.50 Other
comp.insurance required.]
*Any applicant that checks box#1 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 a new 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. LicQ#:WC 509601300 Expiration Date:11/1/2015
Job Site Address: _ O .r1�v�[k urt c 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
Sianature: Date: y),' 1"'i
Phone#: 801-2296459
Of
ricial 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):
I. Board of Health 2.Building Department 3. City/Town Clerk 4.Electrical Inspector 5.Plumbing Inspector
6.Other
Contact Person: Phone#:
la
♦w ,
VIVINT SOLAR DEVELOPER LLC
PHILIP F ZA14P ITELLA JR (EL)
4931 N 300 W
PROVO UT 84604
FaK Tien $AM AO Prrfara6ons
R TH OF
6U-M- * ICIA*S �:
RSSUES THE FOLLOWING L`�UNSE AS
S `RI-D MASTWALECTR I C I AN
I
VIV'fMt SOLAR DEVELOPER LLC
FWILIR f,-VMlXLLA JR
4931 N_ 300 a
I° VO ikT 84604 t
)A 141 .� o7�3•Lllr : 1015$.0
f R
RP Rf
i
28 Patriot St, North Andover MA 01845
U
C
n
•�U�m
0-0,o
_0 -0
I PV SYSTEM SIZE: I CIO Z
2.805 kW DC I =
JUNCTION BOX ATTACHEDTO
ARRAY USING ECO HARDWARE TO
IKEEP JUNCTION BOX OFF ROOF I
30'OF 1"PVC CONDUIT
FROM JUNCTION BOX TO ELEC PANEL
I I
1 I OE o
I
o
V INTERCONNECTION POINT,
LOCKABLE DISCONNECT SWITCH,
ANSI METER LOCATION,
8,UTILITY METER LOCATION rn
N
v
d m
N
� M
m
O)
0
o
U
Z
in Q
> j
I > Z W W
I K
W Lu U >
W Z m
F
F-
U)
Z z
I SHEET
NAME:
I I Q
� a
—(l 1)Yingli Energy YL255P-29b MODULES WITH A SHEET
Enphase M215-60-2LL-S2x-ZC MICRO-INVERTER NUMBER:
MOUNTED ON THE BACK OF EACH MODULE PV SYSTEM SITE PLAN
T
SCALE: 1/8"= 1'-0" >
Q_
o0X
o00
N3 U)
w�CD
..0
a0 �<
w� �n
0p
OC
v
m�
mat
O
C D
3 m
m m
z O
cn 1
m =
z
1
m
z
0
OD M
N M
N m
m
w�
U) rn
n <
D
r Cn
m �
OD
—i
II m
O
O
� o
r
z m
G
m
m i
c=
z= INSTALLER:VIVINT SOLAR p Q r1
mm ROOF mm INSTALLER NUMBER:1.877.404.4129 Willard Residence
PV 2 m MA LICENSE:MAH [���//7 [���//} RIID' 28 Patriot St s
0 A IC 170848 LJ �J IJ U U O North Andover,MA 01845 ' t
LAN DRAWN BY:EF AR 4059326 Last Modified:10/9/2014 UTILITY ACCOUNT NUMBER:6607943015
I
I
_ CLAMP
MOUNTING
SEALING U o
PV3.0 DETAIL WASHER
LOWER a b
SUPPORTm
® NM;z
Nam'o
LL F
wcZ
-0
PV MODULES, TYP. MOUNT `'. rt-:`":_`'"`.'.� L ov
cu
OF COMP SHINGLE ROOF, FLASHING zQ
PARALLEL TO ROOF PLANE 2 1/2I MIN
5/16"0 x 4 1/2"
MINIMUM
PV ARRAY TYP. ELEVATION STEEL LAG SCREWS
NOT TO SCALE TORQUE= 13±2 ft-lbs
CLAMP ATTACHMENT
NOT TO SCALE
N
CLAMP+
ATTACHMENTG-' o
CANTELEVER U4 OR LESS Or--n �
COUPLING L=PERMITTED CLAMP V
ECO SPACING SEE CODE COMPLIANT
COMPATIBLE LETTER FOR MAX ALLOWABLE N
Q
MODULE CLAMP SPACING. o M
COUPLING o
PERMITTED g o v
r
CLAMP+ CLAMP
ATTAC MENT SPACING CLAMP Z m = a
COUPLING PHOTOVOLTAIC MODULE >' Z2, § w
Z w ..
� Lurn >
w w z m
LL' z
F F J
SHEET
NAME:
L=PORTRAIT I.-: U)
CLAMP SPACING Oz Q
ECO 2 0
L=LANDSCAPE
MODULEIBLE PV SYSTEM MOUNTING DETAIL SHEET
NUMBER:
CLAMP SPACING
MODULES IN PORTRAIT/LANDSCAPE NOT TO SCALE 1 M
NOT TO SCALE
Inverter Ratings(Guide Section 4) Q Conduit and Conductor Schedule
Inverter Make/Model Enphase M215-60-21LLS2x-ZC Tag Description Wire Gauge #of Conductors Conduit Type Conduit Size
MODULE DETAIL Max DC Volt Rating 45 Volta 2AWG N/A Max Power @ 40°C 215 Watts 1 Enphase engage cable-THWN-2 4 Cord
Nominal AC Voltage 240 Volts 1 Bare Copper Ground(EGG/GEC) 6 AWG 1 N/A-Free Air N/A-Free Air i o
Yingli Energy YL255P-29b Max AC Current 0.9 Amps 2 THWN-2 10 AWG 3 PVC g'-1' V
SOLAR MODULE Max OCPD Rating 20 Amps
Max Number of Panels/Circuil 17 2 THWN-2-Ground 8AWG 1 PVC 0'-1' Al uno
W v�
3 THWN-2 8AWG 3 PVC 0'-1'
0
NOTES FOR INVERTER CIRCUITS S(Guide Section 8 and 91: a AWG PVC 0'-t' m
THWN-2-Grountl 1
1.)IF UTILITY REQUIRES A VISIBLE-BREAK SWITCH,DOES THIS -2
Enphase M215-60-2LL-S2x-ZC SWITCH MEET THE REQUIREMENTS? PV Module Ratings @ STC(Guide Section 5) >N�'4� z
MICRO-INVERTER AT YES NO X NA Model Make/Model Yingli Energy YL255P-29b Of d Do F
EACH MODULE,ATTACHED
Max Power-Point Current(Imp) Am Tt 0
WITH ECO HARDWARE 2.)IF GENERATION METER REQUIRED,DOES THIS METER Max Power-Point Voltage(Vmp) 30.6 Vol8.32 t tss N Q
v t O
SOCKET MEET THE REQUIREMENTS? Open-Circuit Voltage(Voc) 38.7 Volts �L o U
YES NO X NA Short-Circuit Current(Isc) 8.88 Amps `y Z Q
3.)SIZE PHOTOVOLTAIC POWER SOURCE(DC)CONDUCTORS Max Series Fuse(OCPD) 15 Amps F
BASED ON MAX CURRENT ON NEC 690.53 SIGN OR OCPD Nominal Maximum Power at STC(Pmax) 255 Watts =
--_ _ MICROINVERTER CONNECTION _ RATING AT DISCONNECT. Maximum System Voltage 1000(IECy600(UL)
TO ENGAGE TRUNKCABLE 4.)SIZE INVERTER OUTPUT(AC)CONDUCTORS ACCORDING Voc Temperature Coefficient -0.32 %/°C
^ TO INVERTER OCPD AMPERE RATING(See Guide Section 9).
lJ 5.)TOTAL OF 1 INVERTER OCPD(s).ONE FOR EACH NOTES FOR ARRAY CIRCUIT WIRING(Guide Section 6 and 8 and Appendix DI:
PV CIRCUIT.DOES TOTAL SUPPLY BREAKERS COMPLY
WITH 120%BUSBAR EXCEPTION IN 1.)Lowest expected ambient temperature based on ASHRAE minimum mean extreme
NEC 690.64(B)(2)(a)? X YES NO dry bulb temperature for ASHRAE location most similar to installation location: -19°C
#6 BARE CU GROUND -- --- —
_ _
(GROUNDING ARRAY) `-_ Signs(See Guide Section 7) 2.)Highest continuous ambient temperature based on ASHRAE highest month 2%dry bulb
temperature for ASHRAE location most similar to installation location: 39°C '
Sign for inverter OCPD 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 current-carrying conductors
Solar PV System AC Point of Connection in roof-mounted sunlit conduit at least 0.5"above roof and using the outdoor design
AC Output Current 9.900000 Amps temperature of 47"C or less(all of United States). Q
Nominal AC Voltage 2401 Volts a.)12 AWG,90°C conductors are generally acceptable for modules with Isc of 7.68 Amps CC=
or less when protected by a 12-Amp or smaller fuse. N
THIS PANEL FED BY MULTIPLE SOURCES
(UTILITY AND SOLAR) b.)10 AWG,90°C conductors are generally acceptable for modules with Isc of 9.6 Amps c
or less when protected by a 15-Amp,or smaller fuse. QC
NOTE:NEUTRAL CONDUCTOR(S)OMITTED FOR CLARITY Q
ALL INVERTER OUTPUT CIRCUITS WILL HAVE A NEUTRAL CONDUCTOR _
N
J
co
R
C m
N
ENVOY BOX v Co
5mm �
oQ
N ar U Q
�WP
Z m Q
POINT OF DELIVERY ' Z W W
YW55
+
\0 10 SIEMENS AND INTERCONNECTION Lu m
\r. G 60A/240V U) U) J 9
�\ 1, MURRAY UNFUSED NEMA3 M ? ?
O
p�\���� COMBINER LNF222R OR SHEET
PV CIRCUIT 1: 11 MODULES/PARALLEL SREC/ANSI
LWO04NR METER\� L PANEL 125A/240V EQUIVALENT NAME:
Oo\�p�l
\�O EXISTING
11 • • • O O \'P OR EQUIVALENT too 7� 240V/125A Ld
Z
\\ LOAD-CENTER J Q
S • • • x1' J` \ 20A
\ SHEET
NUMBER:
JUNCTION BOX \\\ ILL N VISIBLE/LOCKABLE1 ODA p
WITH IRREVERSIBLE 2 \\ 3 EQUIVALENT 3 'KNIFE'A/C 3
NEC 2014 Compliant E 1.0 DISCONNECT
GROUND SPLICE E 1.0 U5934-XL-BLG E 1.0 E 1.0 LLI
Cn o
r
m c
0 � `;
O
W w z
C z
z m
= m
0
Z p
I
E
I
I
� f
i
i
k
�_
rn
m0
2 0
mm m
o�
i0
z
00
x�
mZ
;0 Zn
m m
0,
rn
oy
z0
U)m
i
z cn z rn INSTALLER:VI
NUMBER:
:1.87 o O Willard Residence
DESIGN�m INSTALLER NUMBER:1.877.404.4129 M [,�V/,7![7+�
PV 4,0 a m m'i MA LICENSE:MAHIC 170848 V lA 0 U LJ O 28 Patriot St
A LOGIC North Andover,MA 01845
DRAWN BY:EF I AR 4059328 Last Modified:10/9/2014 UTILITY ACCOUNT NUMBER:6607943015
I i
Vivint Solar - PV Solar Rooftop System Permit Submittal
1. Project Information
Project Name: John Willard
Project Address: 28 Patriot St,North Andover MA
A.System Description:
The array consists of a 2.805 kW DC roof-mounted Photovoltaic power system operating in parallel with the utility grid.There are(11)
255-watt modules and(11)215-watt micro-inverters,mounted on the back of each PV module.The array includes(1)PV circuit(s).The
array is mounted to the roof using the engineered racking solution from Ecolibrium Solar.
B.Site Design Temperature: (From Lawrence MUNI weather station)
Average low temperature: -24.3°C (-11.74°F)
Average high temperature: 37.6°C (99.68°F)
C.Minimum Design Loads:
Ground Snow Load: 50 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: Ecolibrium Solar
b.Product Name: Ecorail
c.Total Weight of PV Modules and mounting hardware: 463.1 lbs
d.Total number of attachment points: 36
e.Weight per attachment point: 12.86 lbs
f.Maximum spacing between attachment points: * See attached engineering talcs
g.Total surface area of PV array: 193.42 square feet
h.ArrayPuare foot
oundper square foot: 2.39 lbs
P 9 / q
i.Distributed weight of PV array on roof sections:
-Roof section 1: (11)modules,(36)attachments 12.86 pounds
I
i� �i
I
3. Electrical Components:
A.
Module (UL 1703 Listed) Qty
Yingli Energy YL255P-29b 11 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
Isc-rate short circuit current - 9.01 amps
B.Inverter (UL 1741 listed) Qty
Enphase M215-60-21-L-S22 11 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 1
PV circuit 1 - 11 modules/inverters (15)amp breaker
2011 NEC Article 705.60(6)
I
i
D.Electrical Calculations
1.PV Circuit current
PV circuit nominal current 9.9 amps
Continuous current adjustment factor 125% 2011 NEC Article 705.60(B)
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/breaker 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 37.6°C (99.68°F)
Conduit is installed 1"above the roof surface Add 22°C to ambient 2011 NEC Article 705.60(B)
Adjusted maximum ambient temperature 59.6°C (139.28°F)
b.PV Circuit current adjustment for new ambient temperature
Derate factor for 59.6°C (139.28°F) 71% 2011 NEC Article 705.60(13)
Adjusted PV circuit continuous current 17.4 amps
c.PV Circuit current adjustment for conduit fill
Number of current-carrying conductors 3 conductors
Conduit fill derate factor 100% 2011 NEC Article 705.60(B)
Final Adjusted PV circuit continuous current 17.4 amps
Total derated ampacity for PV circuit 17.4 amps
Conductors(tag2 on Mine)must be rated for a minimum of 17.4 amps
THWN-2(90-C)#16AWG conductor is rated for 18 amps (Use#16AWG or larger) 2011 NEC Article 705.60(B)
4.Voltage drop(keep below 3%total)
2 arts:
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.ylirco-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%.
i
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#16AWG copper)x(Total wire run)
_ (Circuit 1 nominal current is 9.9 amps)x(0.0050852)x(60� _(240 volts)x(100) 1.25%
Total system voltage drop: 1.83%
' nU-1 'O'. s a
F
EcolibriurnSolar
4
Customer Info 1
Name:4059328
Email:
Phone:
Project Info
Identifier: 15772
Street Address Line 1: 28 Patriot St
Street Address Line 2:
City: North Andover
State: MA
Zip: 01845
Country: United States
System Info
Module Manufacturer: Yingli Solar
Module Model: YL255P-29b
Module Quantity: 11
Array Size(DC watts): 2805.0
Mounting System Manufacturer: Ecolibrium Solar
Mounting System Product: EcoX
Inverter Manufacturer: Enphase Energy
Inverter Model: M215
Project Design Variables
Module Weight:40.8 lbs
Module Length: 65.0 in
Module Width: 39.0 in
Basic Wind Speed: 110.0 mph
Ground Snow Load: 50.0 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-Ib
Module Design Moment—Downward: 3655 in-Ib
Effective Wind Area: 20 ft2
Min Nominal Framing Depth: 2.5 in
Min Top Chord Specific Gravity: 0.42
EcolibriumSolar
I
• Plane Calculations (ASCE 7-10): 1
Roof Shape: Hip 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: 23.0 deg
Truss Spacing: 16.0 in
Snow Load Calculations
Description Interior Edge Corner Unit
Flat Roof Snow Load 42.0 42.0 42.0 psf
Slope Factor 0.86 0.86 0.86
Roof Snow Load 36.1 36.1 36.1 psf
Wind Pressure Calculations
Description Interior Edge Corner Unit
Net Design Wind Pressure Uplift -19.4 -31.9 -47.9 psf
Net Design Wind Pressure Downforce 11.4 11.4 11.4 psf
Adjustment Factor for Height and Exposure Category 1.0 1.0 1.0
Design Wind Pressure Uplift -19.4 -31.9 -47.9 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 36.1 36.1 36.1 psf
Downslope: Load Combination 3 13.9 13.9 13.9 psf
Down: Load Combination 3 32.7 32.7 32.7 psf
Down: Load Combination 5 11.7 11.7 11.7 psf
Down: Load Combination 6a 32.3 32.3 32.3 psf
Up:Load Combination 7 -10.4 -17.9 -27.5 psf
Down Max 32.7 32.7 32.7 psf
Spacing Results(Landscape)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 55.6 55.6 55.6 in
Max SpacingBetween Attachments With Rafter/Truss Spacing of 16.0 in 48.0 48.0
p g 48.0 in
Max Cantilever from Attachment to Perimeter of PV Array 18.5 18.5 18.5 in
Spacing Results(Portrait)
Description Interior Edge Corner Unit
Max Allowable Spacing Between Attachments 33.4 33.4 33.4 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 11.1 11.1 11.1 in
ii ji
I
EcolibriumSolar
Layout
¢ iS
r
r
III
Skirt
E3 Coupling
I
O Clamp Warning: PV Modules may need to be shifted with respect to roof trusses to comply with
Bonding Jumper maximum allowable overhang.
I
EcolibriumSolar
,Distributed Weight (All Planes)
In Conformance with Solar ABC's Expedited Permit Process for PV System (EPP)
I
Weight of Modules:449 lbs
Weight of Mounting System: 52 lbs
Total System Weight: 501 lbs
Total Array Area: 194 ft2
Distributed Weight: 2.59 psf
Number of Attachments: 26
Weight per Attachment Point: 19 lbs
Bill Of Materials
Part Name Quantity
ECO-001_101 EcoX Clamp Assembly 26
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 26
ECO-001_109 EcoX Electrical Assembly 1
ECO-001_106 EcoX Bonding Jumper Assembly 2
ECO-001_104 EcoX Inverter Bracket Assembly 11
ECO-001_338 EcoX Connector Bracket 11
1
i is
1 _`
Date...IZ.It-5...�.�.4..............
r
�Noway
TOWN OF NORTH ANDOVER
O p
PERMIT FOR WIRING
t
CHUS�
1 r l
This certifies that .. .'.0.v.G..ti.:........ ...... i lt. ..... til i P l,C.
has permission to perform ...1.....:..(C ........:...... .: ` L-, O �
wiring in the building of
..w?„ ...................:..........................................................................
�±:
........:..................................................:......................................../RICAL
h Andover,Mass.
Fee.....���. ...........Lic.No.� �!-'�.. ...1"I
.................... .........
ELEINSPECTOR
Check# � �