Agriculture Reference
In-Depth Information
Table 7.1
(continued)
Sr. No.
Item specifications
Unit of work
Required man-days
Unskilled
Semi-skilled
Skilled
7-96
Laying stabilised soil sub-base or base course, including mixing, pulverising, spreading, and
laying in layers to the required camber and grade, including cost of water, etc.
10 m
3
2
7-97
Preparing surface of WBM by brushing with wire brush for removing caked mud, etc.,
sweeping with brooms and fanning cleaned surface with gunny bags to remove
loose dirt, etc.
100 m
2
2
7-98
Laying priming coat using medium or slow curing cut back or any other binder like emulsion
coal-tar pitch, etc., including cleaning, dressing, and levelling the surface
100 m
2
4
7-99
Laying 25 mm thick open-graded single course pre-mix carpet surfacing with 0.36 m
3
of
stone chipping mixed with 18.4 kg of straight-run bitumen per 10 m
2
of road surface,
including heating of binder in boiler, and mixing of aggregate and binder with mechanical
mixer, spreading of aggregate, and finishing to required camber and grade, and rolling
with 8-10 t roller
100 m
2
12
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