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Observations and experiments on cast-iron sleepers by the Permanent Way Company, July 1857 / [William Howden] ; [Permanent Way Company]
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20

£

s.

d.

Value of new materials laid down .

1766

12

0

old taken out .

1014

10

5

752

1

7

Add labour, £50 per mile .

50

0

0

Cost of renewal.

802

1

7

Note _The pieces allowed are supposed to cover waste.

Probable duration in main line 20 years

Cost of renewal per mile per annum .

40

2

0

Probable duration in branch lines 25 years

Cost of renewal per mile per annum .

32

1

7

ESTIMATE OE ONE MILE SINGLE LINE OF

ORDINARY

PERMANENT

WAY.

£ s.

£

s.

d.

Rails, 75 lbs. per yard, 20 feet long, punched' for

8 0

... 942

16

0

fishing-plates, 117 tons 17 cwt.

Cast-iron chairs, 50 tons .

.at 5 10

... 275

0

0

1848 wood sleepers, creosoted, at 5s. each .

462

0

0

Spikes, 6 tons .

14 0

... 84

0

0

3696 wood keys.

4 10

16

12

7

528 pairs of fishing-plates, 24 lbs. per pair =

j. 10 0

56

10

0

5 tons 13 cwt. .

2112 bolts and nuts for ditto, IT lb. each = 1 ton

L 20 0

... 23

11

3

3 cwt. 2L qrs.

1

Royalty on 528 joints, at 6d. per joint .

..

13

4

0

1873

13

10

Value of old Materials taken out.

£ s.

£

5.

d.

Rails, 117 tons 17 cwt.

at 5 0

... 589

5

0

Cast-iron chairs, 50 tons .

4 0

... 200

0

0

1848 wood sleepers, no value .

0

0

0

Spikes, 6 tons .

5 0

... 30

0

0

3696 wood keys, no value.

0

0

0

528 pairs of fishing-plates, 24 lbs. per pair =

1 5 0

28

5

0

5 tons 13 cwt.

J

2112 bolts and nuts for ditto, 1^ lb. each = 1 ton

1 5 0

5

17

8

3 cwt 2^ lbs.

J

853 7 8