ARMY TM 5-5420-212-10-1MARINE CORPS TM 08676A-10/1-14-18.LAUNCHING BY VEHICLEBOOMING is movement of the bridge until the panel point given is over the RB (for SS) or RRB (for DS). Booming ofdouble story bridges by manpower alone is allowed until 9 bays have been assembled. At 9 bays, the weight of the bridge hasreached a point where booming by vehicle is required. The rule to follow is:single story - 9 bays or more, boom by vehicledouble story - 9 bays or more, boom by vehicleLAUNCHING is movement of the bridge until the panel point given is over the RB, FRB, or CRB.WARNINGDeath or personal Injury can result If the bridge Is launched by hand. A launch vehicle is required toprevent the bridge accelerating out of control. When a bridge Is to be launched or delaunched, avehicle must be used at all times.When a bridge is to be launched/delaunched, a vehicle and push bar are used. Use a long push bar for all linkreinforced bridges and double story bridges over 13 bays long. Its greater length is needed during final launch to avoidexcessive steep angles between bankseat beam and push bar.a.Connecting Push Bar Cross Girder to Panel(1)Hold push bar cross girder to pin jaws of bottom panel (DS) or top panel (SS).(2)Insert panel pins in girder from inside of girder, and push until pins are fully seated in jaws of bottom panel.(3)Do not put retainer clip through panel pins.b.Connecting Push Bar Adapter and Push Bar(1)Move vehicle into position at rear of bridge.(2)Front of vehicle should be about 20 ft (6.1 m) from rear of bridge.(3)Ensure that vehicle is centered and straight with bridge.4-65
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