HomeMy WebLinkAboutLA207753 - APPROVED - Blake Wengenroth PE Letter wStamp 10 21 2022Structural Engineering Letter
Date: 10/21/2022
Project Name: Blake Wengenroth
Project Address: 17184 Gage Way, Farmington, MN, 55024
Contractor : Wolf RIver Electric
Contractor Address : 101 Isanti Parkway NE, Isanti, MN 55040
Attn : To Whom It May Concern
A Field observation of the condition of the existing framing system was performed by an audit team from
Wolf RIver Electric. From the Field observation of the property, the existing roof structure observed as
follows:
Existing roof is supported by 2 x 4 @ 24" rafters at the solar array. The rafters are sloped at
approximately 20 degree and have maximum projected horizontal span of 7 feet in between
load bearing supports.
Design Criteria
Applicable codes: 2020 Minnesota Building
Code (2018 IBC) ASCE 7-16
Ground Snow Load: 50 psf
Roof Dead Load: 20 psf
Wind speed: 109 mph
Risk Category: II
Date Certified and
Signed: 10/21/2022
I certify that the capacity of the structural roof framing that directly supports the additional gravity loading
due to the solar panel supports and modules had been reviewed and determined to meet or exceed the
requirements in accordance with the Design Criteria.
If you have any questions or concerns please contact us,
Engineerinc.io,
303 N Glenoaks Blvd Suite 200
Burbank, CA 91502
(747) 333 - 5991
new@engineerinc.io
Concept Approval ONLYSubject to Field Inspection
Inspector Date
2020
MN Bldg
Code
10/26/2022dpfannenstein
Provide copy of city approved
plans on the job site for the
inspector