ARMY TM 5-5420-212-10-1 MARINE CORPS TM 08676A-10/1-1 TABLE 6-2.  Building and Boom Table - 2E + 7 through 2E + 12 Bay Double Story (Normal Site) Bridge ft 72 78 84 90 96 102 Length m 21.9 23.8 25.6 27.4 29.3 31.1 2E + No.  of Bays 7 8 9 10 11 12 L/Nose 4N1 5N1 5N1 5N1 6N1 6N1 Build E + 1 with RRB at: 1p2 1p2 1p2 1p2 1p2 1p2 Add Note a Note a Note a Note a Note a Note a 2,3 2,3 2,3 2,3 2,3 2,3 4N1* 5N1* 5N1* 5N1* 6N1* 6N1* 4 4,5 4,5 4,5 4,5 4,5 (CG) (Ap2) (1p0) (1p0) (1p0) (Ap2) (Ap2) Boom 3p0 3p2 3p2 3p2 3p0 3p0 Add 5,6,7 6,7,8 6,7,8 6,7,8 6,7,8 6,7,8 (CG) (2p2) (2p5) (2p5) (2p5) (2p3) (2p3) Boom 4p4 4p6 4p6 4p6 4p4 4p4 Add E E 9,E 9,10 9,10,11 9,10,11 (CG) (3p6) (3p7) (4p3) (3p5) (3p7) (3p7) Boom 5p7 6p1 6p1 Add E E 12, E (CG) (5p0) (5p2) (5p6) Launch (3p6) (3p7) (4p3) (5p0) (5p2) (5p6) Position LRP LZ 4 LZ 8 LZ 5 LZ 3 LZ 8 LZ Note b Note b Note b Note b Note b 5 Note b Launch Dp2 Dp2 Dp2 Dp2 Dp2 Dp2 Remove RRB RRB RRB RRB RRB RRB Complete by Note c,d Note c,d Note c,d Note c,d Note c,d Note c,d NOTES: a. Add LNCG posts, LNCG and nose roller. b. Check the LR is under LZ given or higher.  Remove nose sections as they pass LRP, observing minimum 5 ft (1.5 m) overhang.  Leave last three nose sections in place until far bank end of bridge has been lowered to ground. c. Launch until far bank end of bridge is 9 in (23 cm) from LRP, or end of ETP overhangs FRB by 1.5 ft (0.5 m). d. Put bridge on ground. * Add entire launching nose with LRP secured with tie down strap. ( ) Center of gravity. 6-4