Side
af
784
Forrige
Næste
362
DOCK ENGINEERING.
TABLE XXVI.—Caissons.
OO HQ £ 17,140 4,380 3,800 7,180 6,050 8,870 5,700 14,690
Cost per Sq. Foot of Waterway. «. d. 110 0 35 0 47 2 87 9 100 0 45 6 72 1 85 7
Type. 80. - æææ hWæK æ fs æM
Height of Caisson. Pt. ins. 36 6 39 2 33 0 34 6 41 0 36 6 25 6 29 0 49 3 32 0 40 6 41 8
Central Width of Caisson. Ft. ins. 14 9 : 26 6 17 0 20 0 24 0 16 0 9 6 30 6 15 10 16 6 14 9
Extreme Length of Caisson. Ft. ins. 90 0 63 3 67 3 61 0 103 6 68 0 96 0
Depth of Water on Sill at H.W.O.S.T. Ft. ins. j30 0 32 0 ] 31 0 26 9 32 0 25 0 20 0 24 0 39 0 25 6 36 6 33 0
Width of Waterway. Ft. ins. 85 0 (mean) 84 0 80 0 (coping level) 60 3 75 0 65 6 60 6 54 6 100 0 62 0 94 0 65 6
Date. Circa. 1889^ 1889 1889 I 1893 1886 1898 1874 1876 i 1897 1882 1893 1898
Entrance. . . • ^ • O o • 80 • T~ Q 44 .g » • 2 I • 80 2 ^ 8O^ bO Ø ^3 2 o c A g ç o «g o «1 o 4 O O O O ft M æ
Port. Halifax, N.S., Biloela, N.S.W., Belfast, . Barry, Greenock, Buenos Ayres, Greenock, Monte Video, . Liverpool, Quebec, . Malta, Bruges, .