ARMY TM 5-5420-212-10-1MARINE CORPS TM 08676A-10/1-1a.Pallet Off-Loading: After the marking the se has been completed, the pallets a removed from trucks andtrailers. Pallets may be pulled of trucks and trailers with the aid of an extractor cable, or trucks maydump pallets by raising the bed.b.Pallet Unpacking: Unpacking consists unstrapping pallets and carrying bridge parts to the assembly site.c.Assembly: The assembly begins with the construction of the roller beam and ends when the bridge isopen to traffic.d.Disassembly: The disassembly begins with the removal of the guide markers and ends when cleaning ofthe bridge and erection parts is finished.e.Pallet Repacking: consists of carrying the bridge and erection parts from the disassembly site to theloading site and placing and strapping the parts on their assigned pallets.f.Pallet Reloading: Reloading consists of lifting the pallets onto the trucks and trailer.Section III. OPERATION UNDER UNUSUAL CONDITIONSThis section deals with adverse conditions under which the bridge may have to be launched and the methods ofcontrolling the launch.2-3.LAUNCHING IN HIGH WINDSa.When launching with e building area sheltered and the gap exposed, wind loads may cause the bridge torotate about the forward roller beam or capsill roller beam, until the bridge is jacked down onto the far bank. Bridges shallnot be launched in more severe conditions than those given below.TABLE 2-3. Launching conditionsSingle Story (SS)MAXIMUM CONDITION DURING LAUNCHBRIDGE LENGTHDouble story (DS)WIND SPEEDCROSS FALL ONLink Reinforced(LR)BRIDGE4 thru 12 BaySS40mph (65km/ph)1 in 20*2E + 1 thru 2E + 12DS40mph (65kmph)1 in 20*2E + 13 thru 2E + 16LR40mph (65km/ph)no cross fall*2E + 17 thru 2E + 22LR30mph (48km/ph)no cross fall*RRB/FRB/CRB shall be approximately [within 3in (7.6 cm)] level when the launching nose has touchedthe far bank. See sketch below.2-4
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