Injury Illness Prevention Plan - Flipbook - Page 200
Health and Safety Program Manual
Teamwrkx
Construction, Inc.
Issue Date: 10/16/23
Revision Date: 10/16/23
Trenching and Excavation
Reference: A-15
SOIL ANALYSIS CHECKLIST
Client
Project Name
Project Location
Competent Person
Where was the sample taken
from
Excavation length, depth, and width
Date
Job #
Weather
L:
D:
W:
VISUAL TEST
Particle type
Fine Grained (Cohesive)
Water Conditions Wet
Notes
Yes
No
N/A
Dry
Granular
Other:
(sand/silt or
gravel)
Surface
Seeping
Water
Submerged
Water
present
Description
Layered Soils Dipping Into excavation? If yes, describe:
Excavation exposed to vibrations. If yes, describe:
Previously disturbed soils?
Crack like openings or sprawling observed?
Underground utilities? If yes, what type:
Layered soils? (Note: the least stable layer controls the soil type)
MANUAL TEST
Cohesive
Dry
Plasticity
Cohesive
Non-cohesive
(broken w/
Granular
Strength
difficulty)
Surface remains dry (clay
Wet Shake
Water comes to surface (granular material)
material)
THUMB TEST Note: Used to estimate unconfined compression strength of cohesive soil.
Test Performed
Yes
No
N/A, Explain:
Soil indented by thumb with very great effort?
Type A
Soil indent by thumb with some effort?
Type B
Soil easily penetrated several inches by thumb with little or no effort. NOTE: If soil is
Type C
submerged, seeping water, subjected to surface water, runoff, exposed to wetting.
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