New Zealand Gazette – 1935 – No. 49

Page 1897

✨ Technical Standards Tables



JULY 11.] THE NEW ZEALAND GAZETTE. 1897

Table No. 23.—Black-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 2.)

Size of Rope. Strands and Wires 6/19. Strands and Wires 6/24. Strands and Wires 6/37.
Circum-ference, 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 3,509
1/2 15/32 1 11 1 9 5,002
3/4 9/16 2 4 2 18 6,794
2 5/8 3 0 2 18 9,258
1/4 23/32 4 2 2 18 11,648
1/2 13/16 5 4 0 0 14,261
3/4 7/8 6 7 1 9 17,098
3 15/16 7 12 2 18 21,578

Table No. 24.—Black-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 2.)

Size of Rope. Strands and Wires 6/19. Strands and Wires 6/24. Strands and Wires 6/37.
Circum-ference, in Inches. Diameter, in Inches (approx.). Working-load, in Tons, &c. Working-load, in Pounds.
1 5/16 T. cwt. qr. lb. 3,360
1/4 13/32 1 10 0 0 5,264
1/2 15/32 2 7 0 0 7,504
3/4 9/16 3 7 0 0 10,192
2 5/8 4 11 0 0 13,888
1/4 23/32 6 4 0 0 17,472
1/2 13/16 7 16 0 0 21,392
3/4 7/8 9 11 0 0 25,648
3 15/16 11 9 0 0 32,368


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🚂 Safe-working loads for black-wire-rope purchases (continued from previous page)

🚂 Transport & Communications
Black-wire-rope purchases, Safe-working loads, Technical standards, Tables