MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
100 lg ton capacity, c/o a nonrotating three piece boom, adjustable forreach, 84 ft lg, w/a 15 ft boom extension, carrying both the main hook blockline sheave and the auxiliary hook line sheave, a 41 ft boom back staystrut, a back stay anchorage, an a-frame boom pedestal which extends 31 ft6 in. Above deck, a front and rear pedestal base, a main hook block systemfor 12 part, 1-1/8 in. Diameter wire rope, an auxiliary hook system, w/overhaulball for single-part 7/8 in. Diameter wire rope, a boom fall block system fromthe back stay anchorage w/a 9 part, 1-1/8 in. Diameter wire rope, w/additionalcomponents and parts for mtg to the barge and for the complete operation ofthe derrick, used on a 10 by 30 ft single tier pontoon barge, navfac dwgs1109659 through 1109694 and 1110553 and 1110554
