ARMY TM 5-5420-212-10-1
MARINE CORPS TM 08676A-10/1-1
Personnel. When lock is free, person on that lock will call out to the NCOIC the number and OUT,
and then step back away from the roller beam.
Command: (Preparatory) TOWARD or AWAY FROM the gap.
followed quickly by:
Command: (Execution): Boom.
Action: Personnel. Personnel boom the bridge in the direction ordered slowly, steadily and under
Vehicle operator. Vehicle operator will follow hand signals given by the NCOIC to boom bridge in
the direction required..
NCOIC. The NCOIC will control the boom, using verbal commands (for personnel) and hand
signals (for vehicle operator), ensuring to keep control of the bridge. As the panel point for the
boom or launch approaches within 4 panel points of the appropriate roller beam the NCOIC will
slow the crew or vehicle in preparation for stopping. Sudden stops are to be avoided.
Command: Stop boom.
Action: Personnel. Personnel or vehicle operator will stop booming of the bridge, and hold bridge in
place. If panel point called for has not been reached or has been exceeded, NCOIC will at this time give
crew or vehicle operator instructions to boom slightly to that panel point.
Command: Locks in.
(10) Action: Personnel. Personnel on roller locks will attempt to insert roller locks.
NCOIC. NCOIC will immediately call out numbers 1, 2, 3, & 4 one at a time.
Personnel. Numbered lock personnel will respond with their number and OUT or IN. If response
is OUT, they will identify direction bridge must be boomed to get lock in, either TOWARDS or
AWAY FROM the gap.
NCOIC. Upon receiving the report, the NCOIC will direct the personnel or vehicle driver to boom
the bridge in the appropriate direction.
Personnel. When lock is in, person on that lock will call out to the NCOIC the number and IN, and
then step back away from the roller beam.
NCOIC. NCOIC will direct crews back to other duties.
Bridge on CRB, FRB and RRB.
Bridge is on locked roller beams. Bridge will be boomed by vehicle only which has been connected to the bridge
with a push bar.
The bridge MUST NOT be moved while the bearing pads are in and rollers down on the rocking
rollers. The rollers of the rocking rollers (on CRB) must be In the full up position and the
moveable bearing pads must be full out before the roller locks (on FRB/RRB) are unlocked.
Failure to follow this sequence will result In damage to the rocking rollers.
Action: Personnel. Personnel take positions at roller locks (on the FRB and RRB) and stand ready to
unlock rollers. Additional personnel have been assigned to unlock the rocking rollers (on the CRB).