25A-090 10/04/2011 14:39 4137728668 PVSG1JARED PAGE 02/02
• RYAN S. HELLWIG, PE • STRUCTURAL ENGINEER •
September 29, 2011 f � t � —.`
Jonatban Child RECEIVED ,iN
Pioneer Valley PhotoVoltaics - PV
324 Wells Street U v i - 4 2011 140.8130°
Greenfield, MA 01301 '\ ,, ;
ben OF SURDING INSPECTIONS Or/
L/
Re: New Photovoltaic (PV) Army NORTHAMPTON, MA 01060 �` ``�- `"
Weihrauch / Munroe Residence
38 Coolidge Ave.
Northampton, MA
The following is a summary report of my inspection and analysis of the above- mentioned project.
On April 6, 2011, I personally inspected the roof of the main house. The rafters are full dimension 2x6
(actual dimension: 1%" x 5W) spaced at 24 inches on center. The roof slope is approximately 35 deg.
and the horizontal span is 12 feet from the outside of the exterior wall to the ridgeline. There are short
kneewalls located approximately 5 feet in from the exterior walls, bearing on the second floor joists.
Even though PV panels do not hold snow for very long, any supporting structure must still be capable of
resisting the-Code-required snow loads. For a single family residence in Northampton, the ground snow
load p is -50 psf (pounds per square foot). This translates to a sloped roof snow load p of 20 psf,
assuming the snow is free to slide off the PV surface.
The rafters appear to be native softwood lumber. According to ICBO Uniform Code for $fig
Conservation Section - Allowable Stress s for A baic Materials, "Joists and rafters may be assumed
to have an allowable bending stress equal to that of select structural grade lumber." Based on my
assessment of the exposed portions of the framing, this assumption is reasonable. The quality of the
lumber is good: knots are small and slope of grain is not excessive, and so select structural grade is
appropriate in this case.
For Eastern Softwood species in Select Structural Grade, this rafter cross- section should be able to safely
resist a uniformly distributed load of 50 psf. This analysis does not include any support provided by the
kneewalls, which is conservative. Kneewalls may provide support, but that can overload the floor.
Roof dead loads, including the PV array, shingles, sheathing, rafters and ceiling should be about 18 psf
' when adjusted for the slope. 'Thus the total load is 18 +.20 = 38 psf, which is clearly less than 50 psf.
Therefore, given the parameters and assumptions described above, this roof should be able to support the
PV array and the snow loads prescribed by the residential Building Code.
Respectfully, .
Ryan S. Hell ' ,.PE .
ch Professional Engineer #37300 - STRUCTURAL
• 28 ALDRICH STREET • NORTHAMPTON, MA 01060 •
• VOICE 413- S84 -HLWG (4594) • FAX 413 - 584- 11LWPai (4593) •
Aa l ottive._ 6
substantially affect the overall cost of the project. As such, it may be necessary to adjust the total
project budget if the second payment is delayed.
TERMINATION
The Customer reserves the right to cancel this contract if the rebate application request is denied. If
(PV) receives a written contract termination request from the Customer due to incentive denial, (PV)
will return in -full within 60 days of receiving a written termination notice the value of advanced
payments made to (PV) beyond the first payment amount, to secure availability and pricing of critical
system components (e.g., PV modules and inverters). The initial payment is non - refundable and
refunding of additional payments will not be honored if the components have already been installed.
(PV) is committed to providing a high quality product and service and we look forward to working with
you on your renewable energy project. Please contact Jon Child at 413 - 772 -8788 with questions or
comments regarding this proposal.
Sin - ely,
Pio eei alley •, * Voltaics Cooperative
• 0• , I (0
o na han Chi .
Project Manager
Attachments: General Terms and Conditions
AUTHORIZATION TO PROCEED
I hereby agree to the Project as set out above, and I agree to pay the contract price according to the
Terms of Payment. I further agree to the Terms and Conditions attached hereto as a part of this
Proposal and Agreement. I hereby authorize Pioneer Valley PhotoVoltaics Cooperative to proceed with
the above - referenced Project in accordance with this Agreement. A check for the First Payment is
enclosed and I am returning this Agreement within 21 days of the Proposal date. w€Armo, Nue 2.9 2s) 1 1
Prin ame Dat
Signatur Title
APPROVAL TO SERVE AS AUTHORIZED AGENT
I hereby authorize Pioneer Valley PhotoVoltaics Cooperative, or its designated representative, to
obtain required permits for this project on behalf of the owner and to begin work of obtaining a grant
on my behalf.
_ A. llv 24 2611 :
Printe Name Dat
•
Signatu - Title
Propos. and Agreement Page 7 of 7
Doug Weihrauch, August 16, 2011
4
ROOF - MOUNTED SOLAR ARRAY DEAD WEIGHT LOADING CALCULATION
OVERVIEW
Project Name Weihrauch Residence
Address 38 Coolidge Avenue Northampton, MA 01060
The flushed to the roof solar array being installed consist of 27 photovoltaic modules at a 9:12 tilt and a roof mounting
system. The mounting system includes a series of supports that represent discrete staggered points of contact with
the roof structure. Each support is anchored to the rafters via 3.5" stainless steel anchor bolts designed with a
minimum 3 inch thread depth allowing for a minimum pull -out capacity of 615 pounds.
ROOF STRUCTURE 'COMMENTS
Height 6 inches 1.Roofing Construction
Width 2 inches Light: YES Heavy:
Rafter spacing 24 inches on center 2.Roof pitch: 37 DEGREES
SOLAR MODULE ARRAY WEIGHT CALCULATIOR 3.Horizontal span:12 feet
Photovoltaic modules Units Unit Wt. Total Wt. Comments
Solar module(s) 1 27 1 33.1 894 Sunpower 240w
Subtotal 894'
Mounting System Unit WT Units Total Wt. Units Total Wt. Units Total Wt.
Rails Standard solarmount DK 0.06 455 29.1 786 50.3 527 33.7 Lbs /inch
Rail end plug 0.44 0 0.0 0 0.0 0 0.0
Shared rail with cap strip 0.12 0 0.0 0 0.0 0 0.0 Lbs /inch
L feet 0.25 10 2.5 20 5.0 13 3.3 supports include all hardware
L feet on S5! Clamp 0.64 0 0.0 0 0.0 0 0.0 supports include all hardware
L feet on 3/8 hanger bolt 0.59 0 0.0 0 0.0 0 0.0
Eco- fasten with 8 screws and flashing 2.69 0 0.0 0 0.0 0 0.0 supports
Stand -off with roof boot (single support) 1.28 10 12.8 20 25.6 13 16.6
Stand -off with roof boot (double support) 1.70 0 0.0 0 0.0 0 0.0
Stand -off with hanger bolt (single support) 0.43 0 0.0 0 0.0 0 0.0
Quickmount with doubble support 1.35 0 0.0 0 0.0 0 0.0 with hanger bolt & hardware
Splice bar kits 0.50 2 1.0 4 2.0 0 0.0
Module and rail grounding 3.00 1 3.0 1 3.0 1 3.0
Module universal end clips 0.25 0 0.0 0 0.0 0 0.0
Module mountinjclips 0.20 14 2.8 28 5.6 20 4.0
Subtotal 51.2 91.5 60.6
Total solar module array weight 1097.0 Ibs
POINT LOAD CALCULATION
Number of support stand -off 43
Total solar module array weight 1097.0
Point load j 25.5 =1bs
DISTRIBUTED LOAD CALCULATION
Photovoltaic module array area Array 1 Array 2 Array 3
Module width (horizontal) 31.42 inches 31.42 31.42 inches
Module length (vertical) 61.39 inches 61.39 inches 61.39 inches
Intermodule spacing 1 inches 1 inches 1 inches
Number of module columns 5 5 13
Number of module rows 1 1 2
Array area 69 sgft 69 sgft 361 sgft
Total array area 499 i' sgft
Distributed Toad 2.2 Ibs# sf ',1
of fifsxhiss �• �� « . .
exhtin raoI4 ps " "a
< 332 5/8" (2 8 5/8 ") a €4 s a ,gyp
1 A8OktY zlnYS al?1 h i.�-h
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w 1 11----11 11 I
F 196 1/2" (16' 4 1/2 ") y
•- 24 ►�
48" 0.4 48 48 48" 48" 8
NOTES:
1. When posit of solar modules
acks are clear finalized,
torque faster ners to loft -Ib using g eneral pu rpose
Yll pt, Srlvtiv:.;° "":,, *,
anti -seize compound on threads.
2. Use DARK Unirac SolarMount standard rails
3. F lash F Oatey solar
Hash ng:
i_
f 4. S upports must be staggered. astJ
5
v � Overhang ProSolar beyond arrays outside with FastJack m ust
no t be longer than 12
1
1 ;.." IIP� �� � � � ,, � '` Wei hrauch Residence Roof Layout
ww 7--1111111 �� Nort hampton, Massachusetts
� r X 1 42" 1'
PR Sun powe 61.39' 3 X 1.8
9/25/2011 4'..., 1/1
111e .. 01111UUllWCslilll 01 1v1assacnUSCIIs
Department of Industrial Accidents
Office of Investigations
600 Washington Street
Boston; MA 02111
www.mass.gov /dia
Workers' Compensation Insurance Affidavit: Builders / Contractors /Electricians/Plumbers
Applicant Information II }} ' () Please Print Legibly
T
Name ( Business /Organization/Individual): lc)%L.0 v tG. t11 g1<l.0� V / J!h i 1 Cl i,ope t
3L� Welt S �� �2fli -
Address: : 3
-1�
City /State /Zip: G reat Ld M4- D 1361 Phone #: '"t( 3- 471 - -sS
Are you an employer? Checkl a appropriate box: Type of project (required):
1. $ I am an employer with 4. — I am a general contractor and I 6. — New Construction
Employees (full and/or part- time)* have hired the sub - contractors
2. — I am a sole proprietor or partner- listed on the attached sheet. I Remodeling
Ship and have no employees These sub - contractors have 8. — Demolition
Working for me in any capacity. workers' comp. insurance. 9. — Building Addition
[No workers' comp. insurance 5. — We are a corporation and its 10. — Electrical repairs or additions
required.] officers have exercised their
3. — I am a homeowner doing all work right of exemption per MGL 11. Plumbing repairs or additions
myself. [No workers' comp. C. 152, ' 1(4), and we have no 12. —' Roof repai s
insurance required.]H employees. [No workers' 13. Other 1 16 fM. •, .,O
comp. insurance required. f � 1 41+1 V
* Any applicant that checks box #1 must also fill out the section below showing their workers' compensation policy informa `s n.
H Homeowners who submit this affidavit indicating they are doing all work and then hire outside contractors must submit a new affidavit indicating such.
I Contractors that check this box must attach an additional sheet showing the name of the sub - contractors and their workers'
I am an employer that is providing workers' compensation insurance for my employees. Below is the policy and job site information.
Insurance Company Name: (t! 1Sr1 dY etlett.36
Policy # or Self -ins. Lic. #: W ."
- � /,,
C.
Expiration Date: (V6 [ / ota it
1
Job Site Address: C I � City /State /Zip: rra IAA L. 0 a'It MR 6 (Dn
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 a % enalties ; perjury that the information provided above is true and correct.
Ak
Signature: / Date:
.cg I
Phone #: 4\ � q9-02- ...„,
V'
Official use only. Do not write in this area, to be completed by city of 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 #:
5
SECTION 8 - CONSTRUCTION SERVICES
8.1 Licensed Construction Supervisor: _ Not Applicable El
Name of License Holder : Z K q//�3 /� 21gE l 10./543
T J u
License Number
5 `° ot,► .per... Geteteict M 013 it/ 1 b /,?61
Add re Expiration Date
14(3- 75 Si ature Telephone
9. Registered H Im 4r• -ment Con ractor: Not Applicable ❑
Compan Name Registration Number
31■ Wtlld FA-me . Ss►Mt3 .° Ib /,&: 13
Address Expirdticn Date
G iSeqatfii e t 0 1N L Telephone
SECTION 10- WORKERS' COMPENSATION INSURANCE AFFIDAVIT (M.G.L. c. 152, § 25C(6)) 1
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 ❑
11. - Home Owner Exemption
The current exemption for "homeowners" was extended to include Owner - occupied Dwellings of one (1) or two(2) families
and to allow such homeowner to engage an individual for hire who does not possess a license, provided that the owner acts
as supervisor. CMR 780, Sixth Edition Section 108.3.5.1.
Definition of Homeowner: Person (s) who own a parcel of land on which he /she resides or intends to reside, on which there
is, or is intended to be, a one or two family dwelling, attached or detached structures accessory to such use and/ or farm
structures. A person who constructs more than one home in a two - year period shall not be considered a homeowner.
Such "homeowner" shall submit to the Building Official, on a form acceptable to the Building Official, that he /she shall be
responsible for all such work performed under the building permit.
As acting Construction Supervisor your presence on the job site will be required from time to time, during and upon
completion of the work for which this permit is issued.
Also be advised that with reference to Chapter 152 (Workers' Compensation) and Chapter 153 (Liability of Employers to
Employees for injuries not resulting in Death) of the Massachusetts General Laws Annotated, you may be liable for person(s)
you hire to perform work for you under this permit.
The undersigned "homeowner" certifies and assumes responsibility for compliance with the State Building Code, City of
Northampton Ordinances, State and Local Zoning Laws and State of Massachusetts General Laws Annotated.
Homeowner Signature
SECTION 5- DESCRIPTION OF PROPOSED WORK (check all applicable)
New House ❑ Addition ❑ Replacement Windows Alteration(s) n Roofing
Or Doors 0
Accessory Bldg. ❑ Demolition ❑ New Signs [El] Decks [C] Siding [El] Other [ ,]
Brief Descripti n of I / n
Work: Al tQ akt . et �tiwAK /11vvit .^ IAc ALt i 440,,_ PXG [. IM4.
Alteration of existing bedro Yes ✓ No Adding new bed om Yes ✓ _ 1 No
Attached Narrative Renovating unfinished basement Yes No
Plans Attached Roll - Sheet
6a. If New house and or addition to existing housing; complete the following:
a. Use of building : One Family Two Family Other
b. Number of rooms in each family unit: Number of Bathrooms
c. Is there a garage attached?
d. Proposed Square footage of new construction. Dimensions
e. Number of stories?
f. Method of heating? Fireplaces or Woodstoves _ Number of each
g. Energy Conservation Compliance. Masscheck Energy Compliance form attached?
h. Type of construction
i. Is construction within 100 ft. of wetlands? Yes No. Is construction within 100 yr. floodplain Yes No
j. Depth of basement or cellar floor below finished grade
k. Will building conform to the Building and Zoning regulations? Yes No .
I. Septic Tank City Sewer Private well City water Supply
SECTION 7a - OWNER AUTHORIZATION - TO BE COMPLETED WHEN
OWNERS AGENT OR CONTRACTOR APPLIES FOR BUILDING PERMIT
W
I, yOU) 'eAkram CL , as Owner of the subject
property ' '�{ L
hereby authorize Ti r'qvR,1t✓t VV L 1140 +a L d coo t e L.
to act on my behalf, in all matters relative t work authorized by this building p rmit application.
Jam, a€a.cl'uro' t 423 f 4 II
Signature of Owner Date
I, ?i4,t1z .&DL L4 N+ , as Gwwer /Authorized
Agent hereby d.clare that the statements and information on the foregoing application are true and accurate, to the best of my knowledge
and belief.
Signed under the pains and penalties of perjury.
r V i U — ■ ' ►u -Iev Ale
Print Name
NW
Signature of Liman /Agent Date
Section 4. ZONING All Information Must Be Completed. Permit Can Be Denied Due To Incomplete Information
Existing Proposed Required by Zoning
This column to be tilled in by
Building Department
Lot Size
Frontage
Setbacks Front
Side L: R:
Rear
Building Height
Bldg. Square Footage
Open Space Footage
(Lot area minus bldg & paved
parking)
# of Parking Spaces
Fill:
(volume & Location)
A. Has a Special Permit /Variance /Finding ever been issued for /on the site?
NO 0 DONT KNOW i. YES 0
IF YES, date issued:
IF YES: Was the permit recorded at the Registry of Deeds?
NO 0 DONT KNOW 4 YES 0
IF YES: enter Book Page and /or Document #
B. Does the site contain a brook, body of water or wetlands? NO ;, DONT KNOW 0 YES
IF YES, has a permit been or need to be obtained from the Conservation Commission?
Needs to be obtained Obtained 0 , Date Issued:
C. Do any signs exist on the property? YES 0 NO
IF YES, describe size, type and location:
D. Are there any proposed changes to or additions of signs intended for the property ? YES 0 NO
IF YES, describe size, type and location:
E. Will the construction activity disturb (clearing, grading, excavation, or filling) over 1 acre or is it part of a common plan
that will disturb over 1 acre? YES 0 NO
IF YES, then a Northampton Storm Water Management Permit from the DPW is required.
•
1 t
1 $ f
e. p
y L
b
4 +5)
RECEIVED
Department use anty
SE 201 City of Nort hampton P Permt
ermit:
Building Department Curb Cut /Drivew i
Status of .
212 Main Street Sewer /Septic Availability
DEP O F BUILDING INSPE
Room 100 Water/Well Ava ilability
NORTHAMP MA 01060
North ampton, MA 01060 Two Sets of Structural Plans
phone 413 - 58 7 -1240 Fax 413 - 587 -1272 Plot/Site.Pla
Other Specify
APPLICATION TO CONSTRUCT, ALTER, REPAIR, RENOVATE OR DEMOLISH A ONE OR TWO FAMILY DWELLING
SECTION 1 - SITE INFORMATION
1.1 Property Address:
This section to be completed by office
Map ki4 Lo t cn v' QO / Un
(cx I Zone, Overlay District
Elm St. District CB District
SECTION 2 - PROPERTY OWNER SHIP /AUTHORIZED AGENT
2.1 Owner of Record: f r y.� 1 mw56:
.I�DU t LL �K W� �I.��j�' �� 1 �►wK.� N �MbjGbt �� Qtt760
Name j�rint) 1 Current Mailing Address: V L/ 3 - c3
Jam- £ZIb Telephone
Signature
9
2 l'^ �ized A GD� ��� V 1 J ��'L+ - jt.
Name (Pri I Curre Mailing Address.
�f/ G ree d, M� o c t
Signature Telephone I-f /?j•
SECTION 3 - ESTIMATED CONSTRU fI N COSTS
Item Estimated Cost (Dollars) to be Official Use Only
completed by permit applicant
1. Building 5-61 (a) Building Permit Fee
2. Electrical (b) Estimated Total Cost of
Construction from (6)
3. Plumbing Bu Permit F
4. Mechanical (HVAC)
5 Fire Protion
6. Total= (1 +2 +3 +; 5 y s Section For Offte
Check Number �6�
This Use
Protect* Only
Da te
Building Permit Number:
Signature:
Building Commissioner /Inspector of Buildings Date
File # BP- 2012 -0325 •
APPLICANT /CONTACT PERSON PIONEER VALLEY PHOTOVOLTAICS
ADDRESS/PHONE 311 WELLS ST - SUITE B GREENFIELD (413) 772 -8788
PROPERTY LOCATION 38 COOLIDGE AVE
MAP 25A PARCEL 090 001 ZONE URB(100)/
THIS SECTION FOR OFFICIAL USE ONLY:
PERMIT APPLICATION CHECKLIST
ENCLOSED REQUIRED DATE
ZONING FORM FILLED OUT
Fee Paid
Building Permit Filled out 3.O25"-- &SS
Fee Paid
Tvpeof Construction: INSTALL MOUNTING SUPPORT FOR SOLAR ELEC SYS
New Construction
Non Structural interior renovations
Addition to Existing
Accessory Structure
Building Plans Included:
Owner/ Statement or License 102513
3 sets of Plans / Plot Plan
THE FOLLOWING ACTION HAS BEEN TAKEN ON THIS APPLICATION BASED ON
INF94 MATION PRESENTED:
(//Approved Additional permits required (see below)
PLANNING BOARD PERMIT REQUIRED UNDER:§
Intermediate Project: Site Plan AND /OR Special Permit With Site Plan
Major Project: Site Plan AND /OR Special Permit With Site Plan
ZONING BOARD PERMIT REQUIRED UNDER: §
Finding Special Permit Variance*
Received & Recorded at Registry of Deeds Proof Enclosed
Other Permits Required:
Curb Cut from DPW Water Availability Sewer Availability
Septic Approval Board of Health Well Water Potability Board of Health
Permit from Conservation Commission Permit from CB Architecture Committee
Permit from Elm Street Commission Permit DPW Storm Water Management
Demolition Delay
�� ( l U is-7,, ,
Signature of Building Official
Date
Note: Issuance of a Zoning permit does not relieve a applicant's burden to comply with all zoning
requirements and obtain all required permits from Board of Health, Conservation Commission, Department
of public works and other applicable permit granting authorities.
* Variances are granted only to those applicants who meet the strict standards of MGL 40A. Contact Office of
Planning & Development for more information.
38 COOLIDGE AVE t BP- 2012 -0325
GIS #: COMMONWEALTH OF MASSACHUSETTS
Map:Block: 25A - 090 CITY OF NORTHAMPTON
Lot: -001 PERSONS CONTRACTING WITH UNREGISTERED CONTRACTORS
Permit: Building DO NOT HAVE ACCESS TO THE GUARANTY FUND (MGL c.142A)
Category: SOLAR ELECTRIC SYSTEM BUILDING PERMIT
Permit # BP- 2012 -0325
Project # JS- 2012 - 000529
Est. Cost: $5569.00
Fee: $55.00 PERMISSION IS HEREBY GRANTED TO:
Const. Class: Contractor: License:
Use Group: PIONEER VALLEY PHOTOVOLTAICS 102513
Lot Size(sq. ft): 6708.24 Owner: WEIHRAUCH DOUGLAS M & VICRORIA MUNROE
Zoning: URB(100)/ Applicant: PIONEER VALLEY PHOTOVOLTAICS
AT: 38 COOLIDGE AVE
Applicant Address: Phone: Insurance:
311 WELLS ST - SUITE B (413) 772 -8788 WC
GREENFIELDMA01301 ISSUED ON:10/6/2011 0:00:00
TO PERFORM THE FOLLOWING WORK:INSTALL MOUNTING SUPPORT FOR SOLAR
ELEC SYS
POST THIS CARD SO IT IS VISIBLE FROM THE STREET
Inspector of Plumbing Inspector of Wiring D.P.W. Building Inspector
Underground: Service: Meter:
Footings:
Rough: Rough: House # Foundation:
Driveway Final:
Final: Final:
Rough Frame:
Gas: Fire Department Fireplace /Chimney:
Rough: Oil: Insulation:
Final: Smoke: Final:
THIS PERMIT MAY BE REVOKED BY THE CITY OF NORTHAMPTON UPON VIOLATION OF
ANY OF ITS RULES AND REGULATIONS.
Certificate of Occupancy Signature:
FeeType: Date Paid: Amount:
Building 10/6/2011 0:00:00 $55.00
212 Main Street, Phone (413) 587 -1240, Fax: (413) 587 -1272
Louis Hasbrouck — Building Commissioner