HomeMy WebLinkAboutObservation of Excavation 11.13.20251(+AKumar &Associates, Inc 5020 County Road 154
Geotechnical and Materials Engineers Glenwood Springs, CO 81601
and Environmental Scientists phone: (970) 945-7988
email: kaglenwood@kumarusa.com
www.kumarusa.com
M Employ" CK"Vd Company
Office Locations: Denver (HQ), Parker, Colorado Springs, Fort Collins, Glenwood Springs, and Summit County, Colorado
November 13, 2025
Level BuildCo
Attn: Scott Baltzer
138 Sunlight Drive
Glenwood Springs, Colorado 81601
scott(aD-baltzerconstruction.com Project No. 24-7-259.A
Subject: Observation of Excavation, Proposed Residence, Parcel Number 218528200033,
Mountain Springs Road, Garfield County, CO
Dear Scott:
As requested, a representative of Kumar & Associates observed the excavation at the subject
site on May 13, 2025 to evaluate the soils exposed for foundation support. The findings of our
observations and recommendations for the foundation design are presented in this report. We
previously conducted a subsoil study for design of foundations at the site and presented our
findings in a report dated May 20, 2024, Project No. 24-7-259.
At the time of our visit to the site, the foundation excavation had been cut in three levels from 4 to
20 feet below the adjacent ground surface. The soils exposed in the bottom of the excavation
consisted of very stiff to dense, clayey sand with gravel. No free water was encountered in the
excavation and the soils were slightly moist to moist.
The soil conditions exposed in the excavation are consistent with those previously encountered
on the site and suitable for support of spread footings designed for the recommended allowable
bearing pressure of 2,000 psf. Loose and disturbed soils should be removed in the footing areas
to expose the undisturbed natural soils. The bearing soils should be protected from frost and
concrete should not be placed on frozen soils. Other recommendations presented in our previous
report which are applicable should also be observed.
The recommendations submitted in this letter are based on our observatioaxof the soils exposed
within the foundation excavation and the previous subsurface exploration at the site. Variations
in the subsurface conditions below the excavation could increase the risk of foundation
movement. We should be advised of any variations encountered in the excavation conditions for
possible changed to recommendations contained in this letter. Our services do not include
determining the presence, prevention or possibility of mold or other biological contaminants
(MOBC) developing in the future. If the client is concerned about MOBC, then a professional in
this special field of practice should be consulted.
If you have any questions or need further assistance, please call our office.
Sincerely,
Kumar & Associates
Daniel E. Hardin, P. (ifj7/sS"
Rev. by: SLP
DEH/kac ss/ONAL