Table of Safe-Working Loads




Sept. 9.] THE NEW ZEALAND GAZETTE. 2705

Table No. 23.—Fibre-rope Slings.

TABLE OF SAFE-WORKING LOADS FOR FIBRE-ROPE SLINGS ON WHICH THE LOAD IS CARRIED ON TWO PARTS OR LEGS OF THE SLING.

(Rope to be of best quality, closely spun, and not tarred, and to withstand a breaking-load not less than the breaking-load specified in Appendix IV.)

Size of Rope. Legs parallel. B = L. B = 1½ L. B = 1¾ L.
Circumference, in Inches. Diameter, in Inches. Working-load, in Pounds. Working-load, in Tons, &c. Working-load, in Pounds.
1 5/16 202 0 1 3 6 175
13/32 315 0 2 3 7 272
15/32 454 0 4 0 6 393
9/16 616 0 5 2 0 534
2 5/8 805 0 7 0 21 697
23/32 1,021 0 9 0 13 884
13/16 1,260 0 11 1 0 1,091
7/8 1,525 0 13 2 13 1,321
3 15/16 1,813 0 16 0 21 1,570
11/32 2,128 0 19 0 0 1,843
11/8 2,470 1 2 0 6 2,139
13/16 2,835 1 5 1 7 2,455
4 19/32 3,226 1 8 3 6 2,794
11/32 3,641 1 12 2 1 3,153
17/16 4,081 1 16 1 21 3,534
11/2 4,548 2 0 2 12 3,939
5 119/32 5,040 2 5 0 0 4,364
13/4 6,097 2 14 1 21 5,280
6 129/32 7,258 3 4 3 6 6,286


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Safe-Working Loads, Fibre-Rope Slings, Marine Department