HomeMy WebLinkAboutEngineer Structural Report 03.07.2023KURTZ & ASSOCIATES, INC. STRUCTURAL CONSULTANTS
5012 County Road 154 Phone & Fax (970) 945 6305
Glenwood Springs, CO 81601
MEMORANDUM
To: Garfield County Date: March 07, 2023
Attn: Building and Planning Department
Re: Rivas Residence: Lot No. 2, Gobblers Knob, Donegan Road,
Garfield Count, CO.
Our office is the structural design engineer of record for the noted project.
As such, we issued construction documents dated Aug. 12, 2022. I performed a site
inspection on Feb. 16, 2023. The main floor framing includes a series of 10" deep
structural steel beams (i. e. W 10's). At that time I noted that one of the W 10 steel beams
was undersized: a W10 x 22 was installed rather than the specified W10 x 39. The beam
in question spans approximately 22 feet east to west and supports the master bedroom
floor (it is located beneath the north wall of the master bedroom).
The installed W 10 x 22 has adequate strength but does not have adequate
stiffness. Consequently, potential excessive beam deflection and the resultant potential
distress to the supported floor and wall were concerning. Our office provided a partial
plan and reinforcement detail to correct the situation. I have attached that information to
this memo. The W10 x 22 clear span is approximately 21'-5" and the beam reinforcement
has been installed continuously for a length of approximately 18'-9". Due to HVAV
ductwork it was not possible to install the reinforcement at each end of the beam the
reinforcement. The beam reinforcement as installed is structurally adequate.
If you have any further questions, feel free to call.
Kurtz & Associates, Inc.
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Brian J. Kurtz, P.E.
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