TM 5-5420-278-100037 000037 00-2BRIDGE RECOVERY, SUCCESSIVE BAY METHOD (Contd)f. Repeat step e for remaining ramp bay.g. Have anchorage crew pull both shoreward endspans back on shoreapproximately 5 ft (15 m) and adjust anchorage as needed.h. Have bridge boat secure to interior bay (3) being removed.i. Lower handrails on interior bay (3) (WP 0011 00).WARNINGDo not place fingers under longitudinal upper couplingswhen opening them, or serious injury to personnel mayresult.j. Open two longitudinal upper couplings (2) on interior bays (3) and (9).k. Install T-wrench on lower lockpin jackscrew (1) of lower lock-drive, and turncounterclockwise until lower lock-drive pin is fully retracted, then back offjackscrew (1) one full rotation.l. Repeat step k for remaining lower lock-drive, and remove interior bay (3).m. Move interior bay (3) to retrieval site.n. Repeat steps h through m for remaining bays.o. Disconnect and lower handrails on ramp bay (5) (WP 0010 00).p. Open both pump access covers (6) and lower ramp bay (5) by moving pumpcontrol valve levers (10) to DOWN position. Move both levers (10) toTRANSPORT/CROSSING position and close access covers (6).WARNINGDo not place fingers under longitudinal upper couplingswhen opening them, or serious injury may result.q. Open two longitudinal upper couplings (4) on ramp bay (5) and interior bay (8)CAUTIONEnsure longitudinal upper couplings are opened prior todisengaging lower lock-drive pins or damage toequipment may result.r. Install T-wrench on jackscrew (7) of lower lock-drive, and turncounterclockwise until lower lock-drive pin is fully retracted, then back offjackscrew (7) one full rotation.s. Repeat step r for remaining lower lock-drive and remove interior bay (8) andramp bay (5) to retrieval site.t. Repeat steps o through s for remaining interior and ramp bays.
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