Bridge on RB or FRB and RRB

TM-5-5420-212-10-1 Improved Flaot Bridge Consisting of: Transporter Interior Bay Ramp Bay Manual
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ARMY TM 5-5420-212-10-1 MARINE CORPS TM 08676A-10/1-1 as to the proper conduct of a bridge boom or launch, ensuring to give all details about the commands and actions, hand signals, and all safety items. a. Bridge on RB or FRB and RRB. Bridge is on locked roller beams. Bridge will be boomed by manpower or by vehicle which has been connected to the bridge with a push bar. (1) Command: Prepare to boom. WARNING Personnel will not use carrying bars to boom the bridge. Use of carrying bars can result In death or Injury to personnel. (2) Action: Personnel. Personnel take positions at the sides of the bridge and roller beams. Personnel will put hands only on the bridge, no carrying bars will be used. Personnel on roller locks will stand ready to unlock rollers. (3) Command: Locks out. WARNING Personnel are advised to use extreme caution during locking and unlocking of the rollers. Once the rollers are locked or unlocked, move hands and arms from between the bridge and the adjustable supports. Do not put hands or arms Into the area any more than necessary. Failure to stay alert while operating locks can result in injury. (4) Action: Personnel. Personnel on roller locks will attempt to pull locks out. Personnel on locks are assigned numbers as shown below and will provide responses to NCOIC by number when called to do so. GAP #1 FRONT ROLLER BEAM #2 LEFT RIGHT SIDE SIDE #3 REAR ROLLER BEAM #4 (a) NCOIC. NCOIC will immediately call out numbers 1, 2, 3, & 4 one at a time. (b) Personnel. Numbered lock personnel will respond with their number and ’OUT’ or ’IN’. If response is ’IN’ they will identify direction bridge must be boomed to free lock, either ’TOWARD’ or ’AWAY FROM’ the gap. (c) NCOIC. Upon receiving the report, the NCOIC will direct the personnel or vehicle operator to boom the bridge in the appropriate direction. When directing the vehicle operator, the NCOIC will use standard hand signals to ensure that the operator understands that the movement at this time is only a very small movement of the bridge. 4-69

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