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285 OF ENGINEERING FORMULÆ.
Dimensions of Pipes used at the Glasgow Water-works.
(J. F. Bateman, Engineer.)
Bore of Pipe. Length of each Pipe. Thickness of Metal. Weight Working Head.
Per Pipe. Per Foot Run. Feet of Water. Lbs. per sq. inch.
ins. feet. inch. cwt. qrs. lbs cwt.
33 12 1 39 1 25 3-29 210 91
30 12 1* 44 0 3 3-67 300 130
30 12 1 35 3 5 2-98 230 100
24 12 1 28 1 23 2-37 300' 130
20 9 7. 16 0 4 1-78 270 J 18
20 9 1 13 3 25 1-55 240 104
18 9 13 1 12 1-48 300 130
18 9 12 1 19 1-38 . 260 113
18 9 Al its 11 1 27 1-27 230 100
16 9 t 10 3 27 1-22 300 130
16 9 io 10 0 18 1-13 250 108
16 9 5 8 9 1 9 1-04 200 86
15 9 Ä1 9 2 3 1-06 270 118
15 9 16 7 3 25 •88 180 78
14 9 1A 1 6 8 3 23 •99 290 125
14 9 5 8 8 0 25 •91 250 108
14 9 9 1 6 1 2 0 •83 200 86
12 9 f 6 3 13 •76 290 125
12 9 6 0 26 •693 240 104
10 9 _9 1 6 5 0 16 •571 300 130
9 9 _9_ 4 2 24 •524 300 130
8 9 i 3 2 23 •412 300 130
7 9 i 3 1 1 •362 300 130
6 9 7 2 1 27 ■277 300 130
5 9 A3. 1 3 24 •218 300 130
4 9 5. 1 1 20 •158 300 130
3 9 3 1 0 10 •121 300 130
2 6 3. 8 0 2 4 •089 300 | 130
Note.—The length does not include the length of the socket
The weight includes the weight of the socket
The proof strain is double the working head.
J’or dimensions of sockets, see next page.
Permitted deviation from weight:—
2 per cent in pipes from 20 to 38 inches bore.
“ t ,» tt 2 to i M
Pipes exceeding 18 inches bore to be cast socket downwards.