Concrete Roads
and Their Construction
År: 1920
Serie: Concrete Series
Forlag: Concrete Publications Limited
Sted: London
Sider: 197
UDK: 625.8 Con-gl.
Being a Description of the concrete Roads in the United Kingdom, together with a Summary of the Experience in this Form of Construction gained in Australia, Canada, New Zealand and the United States of America.
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IN THE UNITED KINGDOM—PROVINCIAL 51
carry any traffic which is likely to be brought upon it. Up to the
present, the surface has the same appearance as when first
opened.
Cost.—As regards the cost, this has been rather high.
The cost of labour and also the amount of material used are
given, as it may be some guide to those contemplating this mode
of construction.
Cost of removing existing macadam roadway and preparing
for concrete. Length, 300 ft. ; average width, 24 ft., equals
800 sq. yds. ; average depth. 6 in. :—
Labour ...... £ . . 56 8. 10 d. 9
Horse hire ..... . 35 8 5
Roller (scarifying and rolling) 8 15 0
Watching and lighting .... . 13 10 0
Supervision (say) ..... . . 5 0 0
Total . £119 4 o
This works out at 3s. per super, yard for preparing only.
There were 206 loads of ussful material removed from the road
and 300 ft. run of 12-in. by 5-in. stone channelling—for which a
credit of £71 10-s. is placed to the job.
Cost of reinforced concrete work :—-
£ 8. d.
Horse hire ....... . 47 8 0
Labour ....... . 154 2 3
Watching, lighting and fuel . 34 5 0
2-in. stone (73 tons 10 cwt. 3 qr. at 12s.) . • *44 2 4
1-in. stone (69 tons 2 cwt. 2 qr. at 12s. 3d.) . 41 9 6
Gravel and sand (86 tons 5 cwt. 1 qr. at 12«.) . . 51 15 2
Cement (42 tons 14 cwt. 1 qr. at 74s. 9rf.) . 159 11 0
Use of timber for staging, etc. . 25 3 6
B.R.C. fabric ...... . 108 8 9
Incidentals ....... 1 16 0
Tar 2 2 4
Supervision (say) ...... 5 0 0
Total .£675 3 10
For the 800 sq. yds. 6 in. thick laid this gives a cost per super,
yard of nearly 16s, 11<7.