Technical Standards Tables




July 11.] THE NEW ZEALAND GAZETTE. 1901

Table No. 31.—Galvanized-wire-rope Purchases.

TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON FIVE PARTS (DIAGRAM No. 13).

(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. 3,733
1/4 13/32 1 13 1 9 5,787
1/2 15/32 2 11 2 19 8,960
3/4 9/16 4 0 0 0 11,947
2 5/8 5 6 2 19 15,493
1/4 23/32 6 18 1 9 20,160
1/2 13/16 9 0 0 0 24,640
3/4 7/8 11 0 0 0 28,373
3 15/16 12 13 1 9 34,720

Table No. 32.—Galvanized-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 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. 4,480
1/4 13/32 2 0 0 0 6,944
1/2 15/32 3 2 0 0 10,752
3/4 9/16 4 16 0 0 14,336
2 5/8 6 8 0 0 18,592
1/4 23/32 8 6 0 0 24,192
1/2 13/16 10 16 0 0 29,568
3/4 7/8 13 4 0 0 34,048
3 15/16 15 4 0 0 41,664


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Galvanized-wire-rope purchases, Safe-working loads, Technical standards, Tables