ARMY TM 5-5420-212-10-1MARINE CORPS TM 08676A-10/1-1c.Double Story Using Capsill Roller BeamDouble story bridges 2E + 13 thru 2E + 22 bay with and without link reinforcement use a building frame asdescribed in paragraph 4-5 b., with an additional capsill roller beam, which has rocking rollers to carry the extra weight.For link reinforced bridges the capsill roller beam is positioned 9 ft (2.7 m) from the A’ peg to provide enough working areato attach link components. For bridges over 12 bays without reinforcement the capsill roller beam is positioned 3 ft (0.9 m)minimum from the A’ peg. The drill is as follows:(1)Place two double story baseplates either side of the CRB peg approximately 15 ft (4.6 m) apart. Thesebaseplates will be for the capsill roller beam.(2)Put a roller beam adjustable support in each baseplate and hook a building frame cross girder to theadjustable supports [para. 4-5 b. steps (2) thru. (4)].(3)Place a capsill pin in the correct hole of each adjustable support (this hole position is determined bydesign) and secure with retainer clips. Place a jack seat over the capsill pin.(a)Curved cut-outs fit over capsill pin and open end of U-shaped ridge faces away from bridgecenterline.(b)Capsill pin is never used in holes 4, 5 or 6.(4) Place a support pin in each post of the adjustable support. The support pin must be placed one holeabove the capsill pin, to permit easy installation of hydraulic jack.(5) Place a capsill roller beam onto the support pins. The capsill must be put in through the top of theadjustable support posts. Fixed pins prevent sliding the capsill in from the side.(6)Place a hydraulic jack (15 ton) on each jack seat.(a)Operate hydraulic jack to raise capsill off support pins. -(b)Do not remove support pins.(7)Place a rocking roller at each end of the capsill.(a)Secure rocking roller to capsill with two nose pins.4-10
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