. Railroad structures and estimates . ll I^BanSOlg. between S3i, i ^Pile Rows .^ ifi i^ ^. ..Pile Rows .= 4 U kl^~~S -^ SECTION (A) Fig. 19e. SECTION (B) Fig. 10k. TABLE 48—APPROXIMATE ESTIMATE OF COST PER LINEAL FOOT OF WALL. Items. Section wall (35 ft. 3 in. high). Elxcavation I 6 cu. Backfill : .3cu. yds. Piles <^concrete) .So lin. ft. Drainage I Concrete Cplain) cu. yds. Steel reinforcement. 25 Conduit for Waterproofing 4 sq. Supervision ■ Total cost per lineal foot of wall $ Section wall (3
. Railroad structures and estimates . ll I^BanSOlg. between S3i, i ^Pile Rows .^ ifi i^ ^. ..Pile Rows .= 4 U kl^~~S -^ SECTION (A) Fig. 19e. SECTION (B) Fig. 10k. TABLE 48—APPROXIMATE ESTIMATE OF COST PER LINEAL FOOT OF WALL. Items. Section wall (35 ft. 3 in. high). Elxcavation I 6 cu. Backfill : .3cu. yds. Piles <^concrete) .So lin. ft. Drainage I Concrete Cplain) cu. yds. Steel reinforcement. 25 Conduit for Waterproofing 4 sq. Supervision ■ Total cost per lineal foot of wall $ Section wall (32 feet high). $ 6cu. yds. 3cu. ft. cu. yds 45 lbs. 4 sq. $ $ $ $ 98 COST OF RETAINING WALLS. SEMI GRAVITY WALL REINFORCED WALL. Fig. 19h Figures 19h and 19j illustrate a semi-gravity and a straightreinforced retaining wall used in grade separation work. The semi-gravity wall was built 22 ft. 6 in. high with pile foundation, thereinforced v;all 25 ft. high on ground that did not require figures given are from the bottom of footing to top of wall ineach case. TABLE 40. —APPROXIMATE ESTIMATE OF COST PER LINEAL FOOT OF WALL. Items. Section wall (22 in. 6 ft. high) Section wall (25 ft. high). Excavation Back fill Piles (wood) Drainage Concrete, plain. . .Steel reinforcement Waterproofing Supervision 3 cu. 3ds. I5 cu. lin. lin. ft. cu. lbs. 3 sq. (about) Total coat per lineal foot of wal $ I $ 3 cu. vds. $ $ \\ cu. yds. 30 lin. ft. Per lin. ft. cu. jds. 300 lbs. 3 sq. yds. 10% (about) $ ^J CRIB W
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