Safe-Working Loads Tables




2700 THE NEW ZEALAND GAZETTE. [No. 61

Table No. 13.—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 Appendix II.)

Size of Rope: Circumference, in Inches Size of Rope: Diameter, in Inches (approx.) Strands and Wires 6/19: Working-load, in Tons, &c. (T. cwt. qr. lb.) Strands and Wires 6/19: Working-load, in Pounds Strands and Wires 6/24: Working-load, in Tons, &c. (T. cwt. qr. lb.) Strands and Wires 6/24: Working-load, in Pounds Strands and Wires 6/37: Working-load, in Tons, &c. (T. cwt. qr. lb.) Strands and Wires 6/37: Working-load, in Pounds
1 5/16 3 0 0 0 6,720 2 14 0 0 6,048 2 18 0 0 6,496
1 1/8 3/8 3 14 0 0 8,288 3 14 0 0 8,288 3 16 0 0 8,512
1 1/4 13/32 4 14 0 0 10,528 4 10 0 0 10,080 4 6 0 0 9,632
1 3/8 7/16 5 10 0 0 12,320 5 8 0 0 12,096 5 6 0 0 11,872
1 1/2 15/32 6 14 0 0 15,008 6 6 0 0 14,112 6 8 0 0 14,336
1 5/8 1/2 8 2 0 0 18,144 7 6 0 0 16,352 7 14 0 0 17,248
1 3/4 9/16 9 2 0 0 20,384 8 8 0 0 18,816 9 0 0 0 20,160
1 7/8 19/32 10 14 0 0 23,968 10 4 0 0 22,848 10 8 0 0 23,296
2 5/8 12 8 0 0 27,776 11 10 0 0 25,760 11 18 0 0 26,656
2 1/8 11/16 13 12 0 0 30,464 12 16 0 0 28,672 13 12 0 0 30,464
2 1/4 23/32 15 12 0 0 34,944 14 6 0 0 32,032 15 6 0 0 34,272
2 3/8 3/4 17 12 0 0 39,424 15 16 0 0 35,392 16 4 0 0 36,288
2 1/2 13/16 19 2 0 0 42,784 17 8 0 0 38,976 18 2 0 0 40,544
2 5/8 27/32 20 10 0 0 45,920 19 16 0 0 44,352 20 4 0 0 45,248
2 3/4 7/8 22 18 0 0 51,296 21 12 0 0 48,384 22 6 0 0 49,952
2 7/8 29/32 25 8 0 0 56,896 23 8 0 0 52,416 24 12 0 0 55,104
3 15/16 28 18 0 0 64,736 25 8 0 0 56,896 26 18 0 0 60,256

Table No. 14.—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 Appendix III.)

Size of Rope: Circumference, in Inches Size of Rope: Diameter, in Inches (approx.) Strands and Wires 6/19: Working-load, in Tons, &c. (T. cwt. qr. lb.) Strands and Wires 6/19: Working-load, in Pounds Strands and Wires 6/24: Working-load, in Tons, &c. (T. cwt. qr. lb.) Strands and Wires 6/24: Working-load, in Pounds Strands and Wires 6/37: Working-load, in Tons, &c. (T. cwt. qr. lb.) Strands and Wires 6/37: Working-load, in Pounds
1 5/16 0 19 1 9 2,165 0 17 1 9 1,941 1 0 0 0 2,240
1 1/8 3/8 1 3 1 9 2,613 1 3 1 9 2,613 1 4 2 18 2,762
1 1/4 13/32 1 10 0 0 3,360 1 8 2 18 3,210 1 6 2 18 2,986
1 3/8 7/16 1 14 2 18 3,882 1 14 0 0 3,808 1 13 1 9 3,733
1 1/2 15/32 2 2 2 18 4,778 2 0 0 0 4,480 2 2 0 0 4,704
1 5/8 1/2 2 11 1 9 5,749 2 6 0 0 5,152 2 8 0 0 5,376
1 3/4 9/16 2 17 1 9 6,421 2 16 2 18 6,346 2 16 2 18 6,346
1 7/8 19/32 3 7 1 9 7,541 3 4 2 18 7,242 3 5 1 9 7,317
2 5/8 3 18 0 0 8,736 3 12 2 18 8,138 3 15 1 9 8,437
2 1/8 11/16 4 6 0 0 9,632 4 1 1 9 9,109 4 6 0 0 9,632
2 1/4 23/32 5 2 2 18 11,498 4 14 2 18 10,602 4 16 2 18 10,826
2 3/8 3/4 5 11 1 9 12,469 5 4 2 18 11,722 5 8 2 18 12,170
2 1/2 13/16 6 0 0 0 13,440 5 14 2 18 12,842 5 18 0 0 13,216
2 5/8 27/32 6 9 1 9 14,485 6 5 1 9 14,037 6 14 0 0 15,008
2 3/4 7/8 7 4 2 18 16,202 6 16 2 18 15,306 7 8 0 0 16,576
2 7/8 29/32 8 0 0 0 17,920 7 8 0 0 16,576 8 0 0 0 17,920
3 15/16 8 10 2 18 19,114 8 6 2 18 18,666 8 17 1 9 19,861


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🚂 Table of Safe-Working Loads for Black-Wire-Rope Purchases (Six Parts) (continued from previous page)

🚂 Transport & Communications
Safe-Working Loads, Black-Wire-Rope Purchases, Marine Department, Six Parts

🚂 Table of Safe-Working Loads for Galvanized-Wire-Rope Purchases (Two Parts)

🚂 Transport & Communications
Safe-Working Loads, Galvanized-Wire-Rope Purchases, Marine Department, Two Parts