particular specifications (road works) - CIDCO Maharashtra Ltd.

CIDCO OF MAHARASHTRA LTD
C.A.No.01/CIDCO/SE(KHR)/EE(KHR-I)/2010–11 Pg. No. 377
formwork is not provided other that slabs shall be smoothed with a
float to give a finish equal to that of the rubbed down face, where
formwork is provided. The top face of a slab which is not intended to
be covered with other materials shall be leveled and floated to a
smooth finish at the levels or falls shown on the drawings or as
directed. The floating shall be done so as not to bring as excess of
mortar to the surface of the concrete. The top face of a slab intended
to be surfaced with other materials shall be left with a spaded finish.
Faces of concrete intended to be plastered shall be roughened by
approved means to form a key.
5.27 Concrete for flooring on grade:
Concrete for flooring on grade shall be over well packed stone
metalling or on earth as specified with or without reinforcement, placed
in alternate bas not exceeding more than 6m x 6m or as specified
including hacking the joints or adjacent bays. The water cement ratio
shall not exceed 0.4. The stiff mix shall be thoroughly vibrated and
finished to receive the floor finish.
5.28 Other applicable codes of practice for in-situ reinforced construction
All other requirements not covered by the above clauses shall be
governed by relevant clause of Specifications for Road and Bridge Works
of MORT&H latest version IS 456, IS 3370, IS 2571 and other relevant
standards as may be applicable.
5.29 Grouting of base plates & bolt holes:
Mixing :
Dry grout should be mixed in a mechanical mixer, the conventional
200/400 litre capacity concrete mixer can be used to mix four bags of