HomeMy WebLinkAbout18 NIEDERWERFER RD a
APPLICATION FOR ELECTRICAL PERMIT
TOWN OF SOUTH WINDSOR BUILDING DEPARTMENT
1540 SULLIVAN AVENUE SOUTH WINDSOR,CT 06074(PHONE) 860-644-2511 EXT.230
DEPARTMENT DECISION PERMIT NUMBER:;
APPLICATION IS HEREBY:
APPROVED: BLpG.PERMIT NUMBER
DATE INSPECTOR
LOCATION OF WORK: I fy 1 C'(�{
APPLICANT: OWNER: TYPE OF STRUCTURE:
QO NEW BUUMING
NAME: �G��S V S NAME: llqqAilel `tr e 1 C/'G o ADDITION
Q6o-
PHONE NUMBER: - $ PHONENUMBER �O - �rY Gkv ❑EMSTINGBUMDING
v 1
ADDRESS: TV aeV��t S't /�.f� �c,r ADDRESS: I e
TYPE OF USE:
RESIDENTIAL ❑COMMERCIAL
ELECTRIC - 'ORMATION: FURTHER DESCRIPT ON OF WORK:
TYPE OF INSTALLATION: G` - og C
SIZE OF SERVICE: V
SIZE OF MAIN SERVICE: l O 0
NUMBER OF METERS:
NUMBER OF PANELS:
NUMBER OF LIGHT CIRCUITS: ESTIMATED COST:S "
NUMBER OF SWITCHES: q S�O
NUMBER OF LIGHT FIXTURES: FEE ENCLOSED:S
NUMBER OF A/C CIRCUITS: c
FEE SCHEDULE:S18 PER$1,000 OF THE ESTIMATED COST.
NUMBER OF POWER CIRCUITS: ROUND UP TO THE NEXT THOUSAND ONCE THE PROJECT
IS$1.00 OVER (.26 CENT EDUCATIONAL FEE INCLUDED AS
NUMBER OF OUTLETS: PART OF THE PERMIT FEE)
THE UNDERSIGNED HEARBY APPLIES FOR A PERMIT TO PERFORM THE WORK DESCRIBED AND IS TO COMPLY WITH ALL LOCAL
ORDINANCES AND STATE OF CONNECTICpUTBUILDING CODES IN THE PERFOMANCE OF SUCH WORK.
CONTRACTORS LICENSE NO.: ) 0 0�j -7� TYPE: ' STATE:
SIGNATURE OF APPLICANT: DATE:
.,1�
�►,i�ivint• S®I a r 1800 W Ashton Blvd.
1�► �7Structuraal Group Lehi, UT&4�43
J. Matthew Walsh,PE Samuel Brown,PE
Senior Structural Engineering Manager Structural Engineer
James.walshCavivintsolar.com sam.brown@vivintsolancom
March 27,2019
Re: Structural Engineering Services
Pereira Residence
18 Niederwerfer Rd, South Windsor,CT
S-6075276;CT-01
To Whom It May Concern:
We have reviewed the following information regarding solar panel installation on the roof of the above referenced
home:
1. Site Visit by a representative from our office under my supervision identifying specific interior and
exterior site information including the condition of the existing roof system and the size, spacing, and
condition of existing structural framing members. Information gathered during the site visit includes
photographs,sketches,and verification forms.
2. Design drawings of the proposed PV System layout, including details to mount the new solar panels to
the existing roof.
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:
A. Description of Residence:
The existing residence is typical wood framing construction with a maximum of two layers of composite shingle
roofing. All wood material utilized for the roof system is assumed to be Hem-Fir(North)#2 or better with standard
construction components and consists of the following:
• Roof Section: Dimensional lumber - assumed 2x6 at 16" on center with interior wall supports 1 V from
the exterior wall. Survey photos indicate that there was not free access to verify the framing size and
spacing.
B.Loading Criteria
11.13 PSF= Dead Load (roofing/framing)
2.59 PSF= Dead Load (solar panels/mounting hardware)
13.72 PSF=Total Dead Load
- 20 PSF= Roof Live Load
30 PSF=Ground Snow Load (based on local requirements)
Wind speed of 125 mph (based on Exposure Category B-the total area subject to wind uplift is calculated for the
Interior, Edge,and Corner Zones of the dwelling.)
C.Solar Panel Anchorage
1 Installation shall proceed in accordance with the applicable guidelines and recommendations indicated below.
If, during solar panel installation,the roof framing members appear unstable or deflect non-uniformly, our office
should be notified before proceeding with the installation.
• Unirac, Inc. Installation Manual,which can be found on the Unirac, Inc.website (www.unirac.com).
2. The solar panels-are-1 Yz"thick and mounted 4'/z" off the roof for a total height off the existing roof of 6" At no
time will the panels be'mounted higher than 6"above the existing plane of the roof.
r
Page 1 of 2 1" A A J o
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Page 2 of 2 -
3. The following mounting types shall be used. Please refer to the mounting details for the associated required
penetration depth. Based on our evaluation, the pullout demand is less than the maximum allowable per
connection and therefore is adequate.
a Unirac, Inc.. (1) 5/16" lag screw. Pullout capacity based on National Design Specifications (NDS) of
timber construction specifications for Hem-Fir(North)is 235 IbsAnch penetration.
4. The maximum allowed spacing was calculated for the Wind Speed shown in paragraph B above, using the wind
load uplift procedures of ASCE 7-10 and is specified below. These spacing requirements apply to all mount
types indicated above. The following values have been verified by in-house testing and the mounting hardware
manufacturers'data,which are available upon request. Panel support connections should be staggered,where
possible,to distribute load to adjacent members.
Modules in Landscape Modules in Portrait
Roof Zone Interior Ede Corner Interior Ede Corner
Max Vertical Spacing in 40 40 40 66 66 66
Max Horizontal Spacing in 64 64 64 48 48 48
Max Uplift Load Ibs 372 298 276 628 503 466
D.Summary
Based on the above evaluation,with appropriate panel anchors being utilized the roof system designed on will
adequately support the additional loading imposed by the solar panels, if installed correctly.This evaluation has
been performed for the structural elements only and verifies that they are in conformance with the 2018 Connecticut
State Building Code,2015 International Residential Code,current industry standards and practice,and the
information supplied to us at the time of this report.
If there are any questions regarding the above, or if more information is required,please contact me.
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Regards, P�SHEw -�r��
J. Matthew Walsh, PE _' ':� ��� �s;"4
CT License No.33053
33053 Q7
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This certified that this plan and specified Lions;.r,. ;�
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copies of the proposed building or alterations to (-
erected at
together with amendments stated in '
application a.- �U:L.JII\la U:_�''r',„�; I 1,
filed with plan and 1 agree to comply with all zoninx
Building and state laws and such orders as shall b
issued by the Building Department during pendency
of this application and final issuance of a building
permit.
Signed
This plan is approved subleet to the condition that
orders and ordinances regulating building shall be
compiled with.
Conditionally Approved
JAesa flied with
Blelldjllg Inspector
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TOWN OF SOLMH WING CO
ENGINEERING DEPARTMENT
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COMMM"ce with
regulations.
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Date
Zoning Enforcement Officer
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DER ritIGATION OF ZONING COMPLIANCE Fla ---
Proposed building(s), use(s) and/or structure(s)
is shown on this plan appear(s) to be in �Dt
:onformance with current South Windsor iUi 6 1995
•::gulations. Variances and special exceptions
.nay apply. South WindSx
Date 9s BUILDING DEPARTMENT
Zon n orc �entfficer
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TO THE BUILDING DEPT. TOWN OF SOUTH WiNDSON
This certified that this plan and specifications are true
copies of the proposed building or alterations to be
erected at
r� lid
Street i
together with amendments stated in application and
liled with plan and I agree to comply with all zoning,
Building and state laws and such orders as shall be
issued by the Building Department during pendency
Of this application and final issuance of a building
permit.
Signed
this pan is approved subject to the condition that
nrders and ordinances regulating building shall be
compiled with.
Conditionally Approved These filed with
B g Inss ct r,{/— Clerk
Date
1900227 TOWN OF SOUTH WINDSOR, CT
PERMIT NUMBER BUILDING PERMIT
DATE: 04/29/2019
GIS ID: 63600018 FEE: 306.00
MUNIS APPLICATION# 201900751 BUILDING DESCRIPTION:
APPLICANT LOCATION
NAME: VIVINT SOLAR INC.: ADDRESS: 18 NIEDERWERFER ROAD
ADDRESS: 150 PADGETTE STREET OWNER: PEREIRA MANUEL D&MARIA DOLORES
UNIT A 18 NIEDERWERFER ROA
CHICOPEE,MA 01022
DESCRIPTION OF WORK: INSTALL 32 ROOF MONTED SOLAR PANELS 10.08 DC KW
SPECIAL CONDITIONS:
ALL WORK TO BE DONE IN ACCORDANCE WITH THE APPLICATION AND PLANS APPROVED BY T QUILDING DEPARTMENT.
CONSTRUCTION TYPE:
OCCUPANCY GROUP: BUILDV OFFICIAL
4/292019 2:22 PM THE FEE ABOVE INCLUDES A$0.26 PER THOUSAND CT STATE EDUCATION SURCHARGE
1900152 TOWN OF SOUTH WINDSOR, CT
PERMIT NUMBER ELECTRICAL PERMIT
DATE: 04/29/2019
0.00 4E:
GIS ID: 63600018 FEE: 5
MUNIS APPLICATION# 201900751 BUILDING DESCRIPTION:
APPLICANT LOCATION
NAME: VIVINT SOLAR INC. ADDRESS: 18 NIEDERWERFER ROAD
ADDRESS: 150 PADGETTE STREET OWNER: PEREIRA MANUEL D&MARIA DOLORES
UNIT A 18 NIEDERWERFER ROA
CHICOPEE,MA 01022
DESCRIPTION OF WORK: INSTALL 32 ROOF MONTED SOLAR PANELS 10.08 DC KW
SPECIAL CONDITIONS:
ALL WORD TO BE DONE IN ACCORDANCE WITH THE APPLICATION AND PLANS APPROVED BY THE BUILDING DEPARTMENT.
a
CONSTRUCTION TYPE: a==t
OCCUPANCY GROUP: BUILMN F ICIAL
4/29/2019 2:22 PM THE FEE ABOVE INCLUDES A$0.26 PER TIIOUSAND CT STATE EDUCATION SURCHARGE