✨ 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. |
| 1¾ | 9/16 | 770 | 0 6 3 14 | 667 |
| 2 | 5/8 | 1,006 | 0 8 3 26 | 871 |
| 2¼ | 23/32 | 1,276 | 0 11 1 16 | 1,105 |
| 2½ | 13/16 | 1,575 | 0 14 0 7 | 1,364 |
| 2¾ | 7/8 | 1,906 | 0 17 0 2 | 1,651 |
| 3 | 15/16 | 2,266 | 1 0 0 26 | 1,962 |
| 3¼ | 11/32 | 2,660 | 1 3 3 0 | 2,304 |
| 3½ | 11/8 | 3,087 | 1 7 2 7 | 2,674 |
| 3¾ | 13/16 | 3,544 | 1 11 2 16 | 3,069 |
| 4 | 19/32 | 4,032 | 1 16 0 0 | 3,492 |
| 4¼ | 111/32 | 4,551 | 2 0 2 15 | 3,941 |
| 4½ | 17/16 | 5,101 | 2 5 2 5 | 4,417 |
| 4¾ | 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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VUW Te Waharoa —
NZ Gazette 1927, No 30
NZLII —
NZ Gazette 1927, No 30
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Safe-working loads for fibre-rope slings
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