EPRI Rigger’s Handbook
(BTHL) Below-The-Hook Lifting Devices - 🧠ANSWER ✔✔Any fabricated
assembly designed to hold and attach a load to a hoist mechanism that is
used to lift and transport the load by raising, suspending, or lowering.
(BTHLD) - 🧠ANSWER ✔✔ASME BTH-1 Design of Lifting Devices
Below-The-Hook Lifting Devices - 🧠ANSWER ✔✔Lift Beams, Spreader
Beams, Fabricated Lifting Devices
CG - 🧠ANSWER ✔✔center of gravity
,Complex Loads - 🧠ANSWER ✔✔Difficult to balance or secure/Slings are
less than 30 degree angles from horizontal or greater than 60 degree
angles from the vertical
Crane Operator/Hoist - 🧠ANSWER ✔✔An Individual who is responsible for
the safe handling of the load while operating crane/hoist equipment
D/d Ratio - 🧠ANSWER ✔✔The Ratio between the curvature taken by the
sling, D, and the diameter of the wire rope, synthetic rope or chain
Flagger - 🧠ANSWER ✔✔An Individual who provides direction to the
equipment operator
Hand Chain or Lever Operated Hoist Tension Rigging - 🧠ANSWER ✔✔Use
of Two hand chain or lever-operated hoists positioned at the same
elevation
Heavy Equipment Operator - 🧠ANSWER ✔✔Individual who is qualified and
designated by their immediate supervisor to operate the heavy equipment
used to perform lift activities
Lifting Coordinator - 🧠ANSWER ✔✔The designated individual in the
department or at each site who retains an engineer degree
, Rigger - 🧠ANSWER ✔✔Individual who is trained, qualified and responsible
for developing lift plans and rigging configurations, selecting rigging
hardware, and attaching and securing rigging hardware to perform common
load lifts
The Lift Team should consist of? - 🧠ANSWER ✔✔Crane/Hoist Operator,
Rigger/Flagger, Lift Supervisor, Additional Spotters
Mobile Crane Operators - 🧠ANSWER ✔✔Assist with assembly/disassembly
of the crane
Tag Lines - 🧠ANSWER ✔✔A tag line should be used to start or stop a
loads horizontal rotation
Personnel Basket Lifting - 🧠ANSWER ✔✔Proof Test to 125% of rated
capacity
Not exceed 50% of crane capacity & total suspended weight
Lift Loads with Edges
Sling Protection ABC's - 🧠ANSWER ✔✔A- Abrasion-resistant
B- Bearing pressure
C- Cut-proof
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
(BTHL) Below-The-Hook Lifting Devices - 🧠ANSWER ✔✔Any fabricated
assembly designed to hold and attach a load to a hoist mechanism that is
used to lift and transport the load by raising, suspending, or lowering.
(BTHLD) - 🧠ANSWER ✔✔ASME BTH-1 Design of Lifting Devices
Below-The-Hook Lifting Devices - 🧠ANSWER ✔✔Lift Beams, Spreader
Beams, Fabricated Lifting Devices
CG - 🧠ANSWER ✔✔center of gravity
,Complex Loads - 🧠ANSWER ✔✔Difficult to balance or secure/Slings are
less than 30 degree angles from horizontal or greater than 60 degree
angles from the vertical
Crane Operator/Hoist - 🧠ANSWER ✔✔An Individual who is responsible for
the safe handling of the load while operating crane/hoist equipment
D/d Ratio - 🧠ANSWER ✔✔The Ratio between the curvature taken by the
sling, D, and the diameter of the wire rope, synthetic rope or chain
Flagger - 🧠ANSWER ✔✔An Individual who provides direction to the
equipment operator
Hand Chain or Lever Operated Hoist Tension Rigging - 🧠ANSWER ✔✔Use
of Two hand chain or lever-operated hoists positioned at the same
elevation
Heavy Equipment Operator - 🧠ANSWER ✔✔Individual who is qualified and
designated by their immediate supervisor to operate the heavy equipment
used to perform lift activities
Lifting Coordinator - 🧠ANSWER ✔✔The designated individual in the
department or at each site who retains an engineer degree
, Rigger - 🧠ANSWER ✔✔Individual who is trained, qualified and responsible
for developing lift plans and rigging configurations, selecting rigging
hardware, and attaching and securing rigging hardware to perform common
load lifts
The Lift Team should consist of? - 🧠ANSWER ✔✔Crane/Hoist Operator,
Rigger/Flagger, Lift Supervisor, Additional Spotters
Mobile Crane Operators - 🧠ANSWER ✔✔Assist with assembly/disassembly
of the crane
Tag Lines - 🧠ANSWER ✔✔A tag line should be used to start or stop a
loads horizontal rotation
Personnel Basket Lifting - 🧠ANSWER ✔✔Proof Test to 125% of rated
capacity
Not exceed 50% of crane capacity & total suspended weight
Lift Loads with Edges
Sling Protection ABC's - 🧠ANSWER ✔✔A- Abrasion-resistant
B- Bearing pressure
C- Cut-proof
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
