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

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

🚂 Safe-working loads for galvanized-wire-rope purchases

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