✨ Technical Standards Tables
JULY 11.] THE NEW ZEALAND GAZETTE. 1899
Table No. 27.—Black-wire-rope Purchases.
TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON SIX PARTS (DIAGRAM No. 14).
(Ropes are to be equal to the breaking-loads specified in Table 2.)
| Size of Rope. | Strands and Wires 6/19. | Strands and Wires 6/24. | Strands and Wires 6/37. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approx.). | Working-load, in Tons, &c. | Working-load, in Pounds. |
| 1 | 5/16 | T. cwt. qr. lb. | 6,720 |
| 1/4 | 13/32 | 3 0 0 0 | 10,528 |
| 1/2 | 15/32 | 4 14 0 0 | 15,008 |
| 3/4 | 9/16 | 6 14 0 0 | 20,384 |
| 2 | 5/8 | 9 2 0 0 | 27,776 |
| 1/4 | 23/32 | 12 8 0 0 | 34,944 |
| 1/2 | 13/16 | 15 12 0 0 | 42,784 |
| 3/4 | 7/8 | 19 2 0 0 | 51,296 |
| 3 | 15/16 | 22 18 0 0 | 64,736 |
Table No. 28.—Galvanized-wire-rope Purchases.
TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON TWO PARTS (DIAGRAM No. 10).
(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. | 1,493 |
| 1/4 | 13/32 | 0 13 1 9 | 2,315 |
| 1/2 | 15/32 | 1 0 2 19 | 3,584 |
| 3/4 | 9/16 | 1 12 0 0 | 4,779 |
| 2 | 5/8 | 2 2 2 19 | 6,197 |
| 1/4 | 23/32 | 2 15 1 9 | 8,064 |
| 1/2 | 13/16 | 3 12 0 0 | 9,856 |
| 3/4 | 7/8 | 4 8 0 0 | 11,349 |
| 3 | 15/16 | 5 1 1 9 | 13,888 |
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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 black-wire-rope purchases
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🚂 Transport & CommunicationsBlack-wire-rope purchases, Safe-working loads, Technical standards, Tables
🚂 Safe-working loads for galvanized-wire-rope purchases
🚂 Transport & CommunicationsGalvanized-wire-rope purchases, Safe-working loads, Technical standards, Tables