Construction Specifications




May 19.] THE NEW ZEALAND GAZETTE. 1609

Table No. 26.—Fibre-rope Slings (Higher Grade).

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

(Rope of higher grade, closely spun, and not tarred, and to withstand a breaking-load not less than the breaking-load specified in Appendix IV (2). Rope to be distinguished by a red thread spun into the centre of one strand).

Size of Rope. Legs parallel. B = L. B = 1½ L. B = 1¾ L.
Circumference, in Inches. Diameter in Inches (approx.). Working-load, in Pounds. Working-load, in Tons, &c. Working-load, in Pounds.
9/16 770 0 6 3 14 667
2 5/8 1,006 0 8 3 26 871
23/32 1,276 0 11 1 16 1,105
13/16 1,575 0 14 0 7 1,364
7/8 1,906 0 17 0 2 1,651
3 15/16 2,266 1 0 0 26 1,962
11/32 2,660 1 3 3 0 2,304
11/8 3,087 1 7 2 7 2,674
13/16 3,544 1 11 2 16 3,069
4 19/32 4,032 1 16 0 0 3,492
111/32 4,551 2 0 2 15 3,941
17/16 5,101 2 5 2 5 4,417
11/2 5,685 2 10 3 1 4,924
5 119/32 6,300 2 16 1 0 5,455


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