2026 UPDATED QUESTIONS DOWNLOAD
EM 385-1-1 Final Exam 2024-2026 | Verified Q&A | AHA & APP Requirements, Fall
Protection (6ft Trigger), Excavation & Trenching, LHE/Crane Safety, LOTO, and
HAZWOPER
Pass the 40-Hour USACE Safety Course with this -question master study guide covering the most
heavily weighted sections of the EM 385-1-1 (March 2024 Revision). This document features 100%
verified answers and detailed rationales for critical topics including Activity Hazard Analysis
(AHA), 6-foot Fall Protection triggers, Excavation sloping (Type A, B, C soils), and Crane/Lifting
(LHE) standards. Perfectly formatted for quick memorization, this guide ensures you understand the
"why" behind the safety requirements to guarantee a passing score on your final proctored exam.
How often must work areas be inspected for adequate housekeeping?
A) Weekly
B) Bi-weekly
C) Daily
D) Monthly
Rationale: Work areas must be inspected daily for housekeeping, and the findings must
be recorded to ensure a safe work environment.
At what depth must stairs, ramps, or hoists be provided for excavation access?
A) 4 feet
B) 10 feet
C) 15 feet
D) 20 feet
Rationale: Access for excavations exceeding 20 feet (6 meters) requires stairs, ramps,
or mechanical personnel hoists.
Signs warning of construction site hazards must be posted at what frequency on
fencing?
A) Every 50 feet
B) Every 100 feet
C) Every 150 feet
D) Every 300 feet
Rationale: Warning signs for construction hazards must be posted every 150 feet of
fencing to alert unauthorized persons.
When do continuous noise levels require effective hearing protection?
A) 80 dB
B) 85 dB
C) 90 dB
,2026 UPDATED QUESTIONS DOWNLOAD
D) 95 dB
Rationale: Personnel exposures may not exceed 85 dBA (steady-state) without
implemented engineering or administrative controls and hearing protection.
What is the minimum clearance distance for an unqualified person near overhead
lines (50kV or less)?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Rationale: A 10-foot clearance must be maintained for any unqualified person working
near overhead lines energized at 50kV or less.
Activity Hazard Analyses (AHAs) are intended to be:
A) Static documents
B) Living documents
C) Finalized once at the start of a project
D) Used only for administrative filing
Rationale: AHAs are living documents that must be created in the field and updated by
workers as site conditions change.
Floor openings must be guarded by which specific type of cover?
A) Plywood sheet
B) Plastic netting
C) Hinged floor-opening cover
D) Steel grating only
Rationale: Every hatchway and chute floor opening must be guarded with a hinged
floor-opening cover.
Which training must the SSHO have completed (or equivalent)?
A) OSHA 10-hour
B) OSHA 30-hour Construction/General Industry
C) First Aid only
D) HAZWOPER 8-hour
Rationale: The Site Safety and Health Officer (SSHO) must complete an OSHA 30-hour
course or equivalent.
The minimum buoyancy for a Personal Flotation Device (PFD) is NOT required to be:
A) 15.5 lbs
B) 22 lbs
C) 80 lbs
,2026 UPDATED QUESTIONS DOWNLOAD
D) USCG Approved
Rationale: It is NOT a requirement for PFDs to provide a minimum buoyancy of 80 lbs.
Toe boards must be capable of supporting a force of at least:
A) 25 lbs
B) 50 lbs
C) 100 lbs
D) 200 lbs
Rationale: Standard toe boards must be able to withstand a force of at least 50 lbs
applied in any outward or downward direction.
An excavation trenching plan and AHA are required for depths greater than:
A) 3 feet
B) 4 feet
C) 5 feet
D) 6 feet
Rationale: Both a specific trenching plan and an AHA are required once an excavation
reaches a depth of 5 feet.
Confined space entry training must be conducted how often?
A) Every 6 months
B) Annually (or when hazards change)
C) Every 2 years
D) Once upon hire
Rationale: Training for potential confined space entry must occur whenever hazards
change or at least annually.
Eye and face protection must meet which specific standard?
A) OSHA 1926
B) ANSI/ASSE Z87.1
C) ASTM F2412
D) ISO 9001
Rationale: All eye and face protection must meet ANSI Z87.1 standards and bear the
permanent "Z87" logo.
For impact (impulse) noise, personnel exposure may not exceed:
A) 100 dBA
B) 120 dBA
C) 140 dBA
D) 160 dBA
Rationale: Unweighted impact noise exposure is capped at 140 dBA without effective
hearing protection.
, 2026 UPDATED QUESTIONS DOWNLOAD
A Designated Representative (DR) may NOT be assigned to projects with a RAC level
of:
A) Low
B) Medium
C) High or Extremely High
D) Any level
Rationale: DRs are collateral duty personnel and cannot be assigned to projects with a
Risk Assessment Code (RAC) of high or extremely high.
Portable single ladders or individual sections may not exceed what length?
A) 20 feet
B) 24 feet
C) 30 feet
D) 40 feet
Rationale: The length of single ladders or individual sections must not exceed 30 feet.
Which type of soil has an unconfined compressive strength of 0.5 tsf or less?
A) Type A
B) Type B
C) Type C
D) Stable Rock
Rationale: Type C soil is defined by a compressive strength of 0.5 tons per square foot
(tsf) or less.
During construction, how high must wooden floors be elevated to prevent
dampness?
A) 0.5 feet
B) 1.0 feet
C) 1.5 feet
D) 2.0 feet
Rationale: Wooden floors are elevated 1.5 feet to permit air circulation and prevent
dampness.
What is the primary means of controlling excessive noise in the workplace?
A) Earplugs
B) Engineering controls
C) Administrative rotations
D) Signage
Rationale: Engineering controls (lubrication, damping, baffles) are the primary means of
controlling noise before relying on PPE.
EM 385-1-1 Final Exam 2024-2026 | Verified Q&A | AHA & APP Requirements, Fall
Protection (6ft Trigger), Excavation & Trenching, LHE/Crane Safety, LOTO, and
HAZWOPER
Pass the 40-Hour USACE Safety Course with this -question master study guide covering the most
heavily weighted sections of the EM 385-1-1 (March 2024 Revision). This document features 100%
verified answers and detailed rationales for critical topics including Activity Hazard Analysis
(AHA), 6-foot Fall Protection triggers, Excavation sloping (Type A, B, C soils), and Crane/Lifting
(LHE) standards. Perfectly formatted for quick memorization, this guide ensures you understand the
"why" behind the safety requirements to guarantee a passing score on your final proctored exam.
How often must work areas be inspected for adequate housekeeping?
A) Weekly
B) Bi-weekly
C) Daily
D) Monthly
Rationale: Work areas must be inspected daily for housekeeping, and the findings must
be recorded to ensure a safe work environment.
At what depth must stairs, ramps, or hoists be provided for excavation access?
A) 4 feet
B) 10 feet
C) 15 feet
D) 20 feet
Rationale: Access for excavations exceeding 20 feet (6 meters) requires stairs, ramps,
or mechanical personnel hoists.
Signs warning of construction site hazards must be posted at what frequency on
fencing?
A) Every 50 feet
B) Every 100 feet
C) Every 150 feet
D) Every 300 feet
Rationale: Warning signs for construction hazards must be posted every 150 feet of
fencing to alert unauthorized persons.
When do continuous noise levels require effective hearing protection?
A) 80 dB
B) 85 dB
C) 90 dB
,2026 UPDATED QUESTIONS DOWNLOAD
D) 95 dB
Rationale: Personnel exposures may not exceed 85 dBA (steady-state) without
implemented engineering or administrative controls and hearing protection.
What is the minimum clearance distance for an unqualified person near overhead
lines (50kV or less)?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Rationale: A 10-foot clearance must be maintained for any unqualified person working
near overhead lines energized at 50kV or less.
Activity Hazard Analyses (AHAs) are intended to be:
A) Static documents
B) Living documents
C) Finalized once at the start of a project
D) Used only for administrative filing
Rationale: AHAs are living documents that must be created in the field and updated by
workers as site conditions change.
Floor openings must be guarded by which specific type of cover?
A) Plywood sheet
B) Plastic netting
C) Hinged floor-opening cover
D) Steel grating only
Rationale: Every hatchway and chute floor opening must be guarded with a hinged
floor-opening cover.
Which training must the SSHO have completed (or equivalent)?
A) OSHA 10-hour
B) OSHA 30-hour Construction/General Industry
C) First Aid only
D) HAZWOPER 8-hour
Rationale: The Site Safety and Health Officer (SSHO) must complete an OSHA 30-hour
course or equivalent.
The minimum buoyancy for a Personal Flotation Device (PFD) is NOT required to be:
A) 15.5 lbs
B) 22 lbs
C) 80 lbs
,2026 UPDATED QUESTIONS DOWNLOAD
D) USCG Approved
Rationale: It is NOT a requirement for PFDs to provide a minimum buoyancy of 80 lbs.
Toe boards must be capable of supporting a force of at least:
A) 25 lbs
B) 50 lbs
C) 100 lbs
D) 200 lbs
Rationale: Standard toe boards must be able to withstand a force of at least 50 lbs
applied in any outward or downward direction.
An excavation trenching plan and AHA are required for depths greater than:
A) 3 feet
B) 4 feet
C) 5 feet
D) 6 feet
Rationale: Both a specific trenching plan and an AHA are required once an excavation
reaches a depth of 5 feet.
Confined space entry training must be conducted how often?
A) Every 6 months
B) Annually (or when hazards change)
C) Every 2 years
D) Once upon hire
Rationale: Training for potential confined space entry must occur whenever hazards
change or at least annually.
Eye and face protection must meet which specific standard?
A) OSHA 1926
B) ANSI/ASSE Z87.1
C) ASTM F2412
D) ISO 9001
Rationale: All eye and face protection must meet ANSI Z87.1 standards and bear the
permanent "Z87" logo.
For impact (impulse) noise, personnel exposure may not exceed:
A) 100 dBA
B) 120 dBA
C) 140 dBA
D) 160 dBA
Rationale: Unweighted impact noise exposure is capped at 140 dBA without effective
hearing protection.
, 2026 UPDATED QUESTIONS DOWNLOAD
A Designated Representative (DR) may NOT be assigned to projects with a RAC level
of:
A) Low
B) Medium
C) High or Extremely High
D) Any level
Rationale: DRs are collateral duty personnel and cannot be assigned to projects with a
Risk Assessment Code (RAC) of high or extremely high.
Portable single ladders or individual sections may not exceed what length?
A) 20 feet
B) 24 feet
C) 30 feet
D) 40 feet
Rationale: The length of single ladders or individual sections must not exceed 30 feet.
Which type of soil has an unconfined compressive strength of 0.5 tsf or less?
A) Type A
B) Type B
C) Type C
D) Stable Rock
Rationale: Type C soil is defined by a compressive strength of 0.5 tons per square foot
(tsf) or less.
During construction, how high must wooden floors be elevated to prevent
dampness?
A) 0.5 feet
B) 1.0 feet
C) 1.5 feet
D) 2.0 feet
Rationale: Wooden floors are elevated 1.5 feet to permit air circulation and prevent
dampness.
What is the primary means of controlling excessive noise in the workplace?
A) Earplugs
B) Engineering controls
C) Administrative rotations
D) Signage
Rationale: Engineering controls (lubrication, damping, baffles) are the primary means of
controlling noise before relying on PPE.
