REVIEWED RESUB1 BLD2024-0351 C2B51010 Plum Tree Plaza RTU Attachment LetterAm
IL Degenkolb
May 17, 2024
Mr. David Stephens
BELFOR Property Restoration
4320 131 st PL S
Seattle, Washington 98168
david.stephens(@-us.belfor.com
SUBJECT: Plum Tree Plaza Fire Repair
Roof Top Unit Attachment
Loss Address:
Edmonds Permit Number:
Degenkolb Project:
22315 Highway 99
Edmonds, Washington 98026
BLD2022-0709
C21351010.00
600 University Street
Suite 1001
Seattle, WA 98101
p: 206.262.9240
www.degenkolb.com
Dear Mr. Stephens:
This letter is in response to the City of Edmonds Inspection Notice dated May 14, 2024 regard
the attachment of the roof top HVAC units (RTUs) to the curbs and the attachment of the curbs
to the building structure. The Trane RTUs are placed on metal curb assemblies fabricated by
Columbia Products which, in turn, are located over existing roof framing. The RTUs are attached
to the metal roof curbs using #9 sheet metals screws at 6 inches on center and the curbs are
secured to the structure using SDS25212 screws at 12 inches on center. This configuration is
acceptable, structurally. Should you have any further comments or questions, feel free to contact
me.
Respectfully Submitted:
DEGENKOLB ENGINEERS
Prepared By:
Michael A. Bramhall; PE, SE, LEED® AP
Principal