✨ Technical Standards Tables
1900
THE NEW ZEALAND GAZETTE.
[No. 49
Table No. 29.—Galvanized-wire-rope Purchases.
TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON THREE PARTS (DIAGRAM NO. 11).
(Ropes are to be equal to the breaking-loads specified in Table 3.)
| Size of Rope. | Strands and Wires 6/12. | Strands and Wires 6/24. | Strands and Wires 6/30. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approx.). | Working-load, in Tons, &c. | Working-load, in Pounds. |
| 1 | 5/16 | T. cwt. qr. lb. | 2,240 |
| 1/4 | 13/32 | 1 0 0 0 | 3,472 |
| 1/2 | 15/32 | 1 11 0 0 | 5,376 |
| 3/4 | 9/16 | 2 8 0 0 | 7,168 |
| 2 | 5/8 | 3 4 0 0 | 9,296 |
| 1/4 | 23/32 | 4 3 0 0 | 12,096 |
| 1/2 | 13/16 | 5 8 0 0 | 14,784 |
| 3/4 | 7/8 | 6 12 0 0 | 17,024 |
| 3 | 15/16 | 7 12 0 0 | 20,832 |
Table No. 30.—Galvanized-wire-rope Purchases.
TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON FOUR PARTS (DIAGRAM NO. 12).
(Ropes are to be equal to the breaking-loads specified in Table 3.)
| Size of Rope. | Strands and Wires 6/12. | Strands and Wires 6/24. | Strands and Wires 6/30. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approx.). | Working-load, in Tons, &c. | Working-load, in Pounds. |
| 1 | 5/16 | T. cwt. qr. lb. | 2,986 |
| 1/4 | 13/32 | 1 6 2 18 | 4,630 |
| 1/2 | 15/32 | 2 1 1 10 | 7,168 |
| 3/4 | 9/16 | 3 4 0 0 | 9,558 |
| 2 | 5/8 | 4 5 1 10 | 12,395 |
| 1/4 | 23/32 | 5 10 2 19 | 16,128 |
| 1/2 | 13/16 | 7 4 0 0 | 19,712 |
| 3/4 | 7/8 | 8 16 0 0 | 22,698 |
| 3 | 15/16 | 10 2 2 18 | 27,776 |
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VUW Te Waharoa —
NZ Gazette 1935, No 49
NZLII —
NZ Gazette 1935, No 49
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Safe-working loads for galvanized-wire-rope purchases
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