1. General Inspection of Jobsite:
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A.
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Excavations,
adjacent areas, and protective systems inspected by a competent
person daily before the start of work.
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B.
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Competent
person has the authority to remove employees from the excavation
immediately.
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C.
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Surface
encumbrances removed or supported.
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D.
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Employees
protected from loose rock or soil that could pose a hazard by falling
or rolling into the excavation.
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E.
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Hard
hats worn by all employees.
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F.
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Spoils,
materials, and equipment set back at least two feet from the edge
of the excavation.
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G.
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Barriers
provided at all remotely located excavations, wells, pits, shafts,
etc.
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H.
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Walkways
and bridges over excavations four feet or more in depth are equipped
with standard guardrails and toeboards.
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I.
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Warning
vests or other highly visible clothing provided and worn by all
employees exposed to public vehicular traffic.
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J.
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Employees
required to stand away from vehicles being loaded or unloaded.
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K.
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Warning
system established and utilized when mobile equipment is operating
near the edge of the excavation.
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L.
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Employees
prohibited from going under suspended loads.
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M.
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Employees
prohibited from working on the faces of slopes or benched excavations
above other employees.
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2. Utilities:
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A.
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Utility
companies contacted and/or utilities located.
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B.
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Exact
location of utilities marked.
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C.
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Underground
installations protected, supported, or removed when excavation is
open.
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3. Means of Access and Egress:
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A.
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Lateral
travel to means of egress no greater than 25 feet in excavations
four feet or more in depth.
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B.
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Ladders
used in excavations secured and extended three feet above the edge
of the trench.
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C.
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Structural
ramps used by employees designed by a competent person.
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D.
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Structural
ramps used for equipment designed by a registered professional engineer
(RPE).
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E.
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Ramps
constructed of materials of uniform thickness, cleated together
on the bottom, equipped with no-slip surface.
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F.
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Employees
protected from cave-ins when entering or exiting the excavation.
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4. Wet Conditions:
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A.
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Precautions
take to protect employees from the accumulation of water.
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B.
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Water
removal equipment monitored by a competent person.
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C.
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Surface
water or runoff diverted or controlled to prevent accumulation in
the excavation.
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D.
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Inspections
made after every rainstorm or other hazard-increasing occurrence.
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5. Hazardous Atmosphere:
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A.
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Atmosphere
within the excavation tested where there is a reasonable possibility
of an oxygen deficiency, combustible or other harmful contaminant
exposing employees to a hazard.
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B.
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Adequate
precautions taken to protect employees from exposure to an atmosphere
containing less than 19.5% oxygen and/or to other hazardous atmospheres.
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C.
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Ventilation
provided to prevent employee exposure to an atmosphere containing
flammable gas in excess of 10% of the lower explosive limit of the
gas.
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D.
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Testing
conducted often to ensure that the atmosphere remains safe.
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E.
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Emergency
equipment, such as breathing apparatus, safety harness and lifeline,
and/or basket stretcher readily available where hazardous atmospheres
could or do exist.
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F.
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Employees
trained to use personal protective and other rescue equipment.
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G.
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Safety
harness and lifeline used and individually attended when entering
bell bottom or other deep confined excavations.
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6. Support Systems:
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A.
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Materials
and/or equipment for support systems selected based on soil analysis,
trench depth, and expected loads.
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B.
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Materials
and equipment used for protective systems inspected and in good
condition.
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C.
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Materials
and equipment not in good condition have been removed from service.
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D.
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Damaged
materials and equipment used for protective systems inspected by
a registered professional engineer (RPE) after repairs and before
being placed back into service.
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E.
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Protective
systems installed without exposing employees to the hazards of cave-ins,
collapses, or threat of being struck by materials or equipment.
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F.
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Members
of support system securely fastened to prevent failure.
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G.
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Support
systems provided in ensure stability of adjacent structures, buildings,
roadways, sidewalks, walls, etc.
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H.
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Excavations
below the level of the base or footing supported, approved by an
RPE.
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I.
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Removal
of support systems progresses from the bottom and members are released
slowly as to note any indication of possible failure.
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J.
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Backfilling
progresses with removal of support system.
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K.
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Excavation
of material to a level no greater than two feet below the bottom
of the support system and only if the system is designed to support
the loads calculated for the full depth.
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L.
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Shield
system placed to prevent lateral movement.
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M.
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Employees
are prohibited from remaining in shield system during vertical movement.
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DAILY
TRENCHING LOG
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DATE:
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SIGNATURE:
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WEATHER:
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PROJECT:
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Was
One Call System contacted:
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Yes______
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No_______
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Protective
system: Trench shield (box)
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Trench
shield (box)_________ |
Wood
Shoring_________ |
Sloping__________ |
Other_____________ |
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Purpose
of trenching: Drainage
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Drainage______________ |
Water______________ |
Sewer______________ |
Gas______________ |
Other______________ |
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Were
visual soil tests made:
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Yes_______
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No_______
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If
yes, what type?
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Were
manual soil tests made:
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Yes_______
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No_______
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If
yes, what type?
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Type
of soil:
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Stable
Rock_______
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Type
A_______
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Type
B _______ |
Type
C_______
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Surface
encumbrances:
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Yes_______
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No_______
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If
yes, what type?
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Water
conditions:
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Wet_______
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Dry_______
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Submerged
_______
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Hazardous
atmosphere exists:
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Yes_______
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No_______
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(If yes, follow confined space entry procedures policy;
complete Confined Space Entry Permit; monitor for toxic gas(es))
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Is
trenching or excavation exposed to public vehicular traffic (exhaust
emission): Yes_______ No_______
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(If yes, refer to confined space entry procedures; complete
Confined Space Entry Permit; monitor for toxic gas(Es))
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Measurements
of trench:
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Depth_______
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Length_______
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Width
_______
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Is
ladder within 25 feet of all workers:
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Yes_______
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No_______
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Is
excavated material stored two feet or more from edge of excavation:
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Yes_______
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No_______
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Are
employees exposed to public vehicular traffic:
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Yes
_______ |
No_______
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(If yes, warning vests required)
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Are
other utilities protected:
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Yes_______
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No_______
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(Water, sewer, gas or other structures)
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Are
sewer or natural gas lines exposed:
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Yes
_______
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No
_______ |
(If yes, refer to confined space entry procedures policy;
complete Confined Space Entry Permit; monitor for toxic gas(Es))
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Periodic
inspection:
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Yes_______
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No_______
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Did
employees receive training in excavating:
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Yes_______
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No_______
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