APPENDIX I. BRIDGE DESIGN WORKSHEET-continued

TM-5-5420-279-10

APPENDIX I

BRIDGE DESIGN WORKSHEET

BRIDGE DESIGN

20 m to 22 m

22 m to 28 m

28 m to 34 m

34 m to 40 m

A.R.SPAN RANGE

UPPER A-FRAME PIN HOLE SETTING [Table 1.5]

BOTTOM PIN

FAR BANK HIGH

FAR BANK LEVEL

TOP PIN

OR LOW

CHEST PACK SELECTION [Table 1.11 & Fig 1-10]

BANK HEIGHTS BELOW MAY NOT APPLY WHEN RAMP AND PARALLEL ARE ON SLIDE FRAME TILT ROLLERS

SEE PARAGRAPH 4.9.2.45 FOR DETAILS

+2.5 to +3.0 m

HIGH BANK

+1.5 m to + 2 m

+2.0 m to +2.5 m

+2.0 to +2.5 m

LEVEL BANK

+1.5 m to 2 m

+2.0 m to -2.5 m

+2.0 to -3.0 m

LOW BANK

STABILIZER LEG PIN HOLE SETTING [Fig 1.6]

HOME BANK SLOPE

+1 IN 20

-1 IN 20

+1 IN 20 TO +1 IN 10

-1 IN 20 TO -1 IN 10

UPSLOPE

DOWNSLOPE

UPSLOPE

DOWNSLOPE

TOWARDS GAP

[Table 1.8]

[Table 1.9]

[Table 1.10]

FAR BANK HEIGHT

STABILIZER HOLE 14

BANK HEIGHT

+1 m TO + 3 m

OR ABOVE

LIMITATIONS

FAR BANK HEIGHT

STABILIZER HOLE 10

BANK HEIGHT

+1 m TO 1 m

OR ABOVE

LIMITATIONS

FAR BANK HEIGHT

STABILIZER HOLE 6

BANK HEIGHT

1 m TO 3 m

OR BELOW

LIMITATIONS

FAR BANK HEIGHT

STABILIZER HOLE 6

STABILIZER HOLE

+0.7 m to 0.7 m

OR BELOW

14 OR ABOVE

TRANSVERSE (CROSS SLOPES): LAUNCHER SLIDE FRAME SHOULD BE OPENED & CLOSED ON STABILIZER

PIN HOLE 10 BOTH SIDES. THEN LEVELED FOR BRIDGE BUILD.

LONGITUDINAL SLOPE: LAUNCHER SLIDE FRAME, ONCE SET FOR CROSS SLOPE, SHOULD BE SET TO GIVE

SLIDE FRAME A SLIGHT ANGLE EITHER POSITIVE OR NEGATIVE TOWARDS GAP. IF LEVEL EITHER RAISE OR

LOWER BOTH SIDES OF A FRAME ACCORDINGLY.

I-2 Change 1