NSTM Chapter 573, Booms Flashcards
Boom loads shall never be suspended over ___
Personnel
SWL
Safe working load
Any load within 10 percent of the SWL, or any oblong or oversize loads
Heavy lift
All heavy lifting operations shall be under the direct supervision of the ___
1LT or weapons officer
___ shall be used during all heavy lifts
Tag lines
Operators shall not leave the winch controls with ___
A load suspended in the rig
Never stand between a load and a ___
Fixed object
___ shall be employed to assist an operator who cannot see
Signalman or winch tender
Communication between the signalman and winch operator is achieved through the use of ___
Standard hand signals
Never turn your back on a ___
Moving or suspended load
A triangular steel plate with holes in the corners used to connect the topping lift wire, the bull chain, and the bull line
Bale
The ___ is shackled to the top hole in the bale, and the ___ are shackled to the bottom two holes
Topping lift wire
Bull chain and bull line
Structural member used for lifting, transferring, or supporting heavy weights aboard ship
Boom
Three parts of a boom
Gooseneck
Linkband
Slack wire fair-lead
Sheave assembly containing one or more sheave wheels which is used to fairlead wire or rope
Block