TM 5-5420-278-100046 000046 00-1OPERATING INSTRUCTIONSIMPROVED RIBBON BRIDGE (IRB)RAMP BAY M16NSN 5420-01-470-5825 P/N 12478918;INTERIOR BAY M17NSN 5420-01-470-5824 P/N 12478919.Section IV. OPERATION UNDER UNUSUAL CONDITIONSGENERALThis section contains special instructions for CBT and bridge operations inunusual conditions. The standard guidelines for bridge operation should befollowed along with the following precautions for various weather conditions.OPERATION IN SNOW OR ICY CONDITIONSDuring bridge construction, operation, and recovery, follow all operatingprocedures for normal conditions and the following special instructions. NOTEEnsure snow and ice accumulation is removed fromadjoining surfaces of pontons and from all ponton-locking levers and hinge points prior to launch orretrieval of bay.1. Remove any snow or ice from bridge equipment before and after operation.2. Continually check upstream side of bridge for ice buildup or ice flows; remove ice buildup or ice flows off side of bridge where possible.3. Monitor river flow and adjust anchorage accordingly. (Refer to WP 0035 00.)4. Wear gloves when operating or handling metallic equipment that is wet or icecovered, and exercise caution when working on bridge where snow or iceexist.5. Check fluid levels more frequently in cold temperatures prior to operation.(Refer to WP 0064 00.)
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