PACKAGE : I Bid Document VOLUME : II - Public Health Engineering

Expansion joints.
Expansion joints shall be provided wherever directed by the engineer in charge, on
where necessary as per standard specification and practice. The filler to be used
shall be of approved material.
1.8 Cement plaster.
12 mm thick cement plaster in (1:4) proportion shall be applied on outside surface
of all concrete works from 30cm below ground level up to top. The surface in
contact with water will have 12 mm thick cement plaster of not less than (1:3)
proportion with 3% water proofing compound. The concrete surface shall be
properly hacked, washed, cleaned and applied with thick cement slurry before
applying. All brick work unless otherwise specified will be plastered externally and
internally with 12mm cement plaster (1:6) proportion.
The plaster shall be protected from sun, rain and frost at the contractors expense by
such means as the engineer may approve. To protect the plaster from the sun,
ordinarily the whole surface shall be covered with wet sakes.
The contractor shall keep the plaster continuously waited for a period of seven days
after application.
1.9 Flooring.
Except where in otherwise specified flooring will have minimum 15cm thick sand
filling, one brick flat soling and 75 mm thick PCC (1:2:4). In case flooring in raw
water pump house 40 mm heavy duty patent stone flooring shall be provided
directly over R.C.C. slab in strip placed in suitable manner to avoid construction
cracks.
1.10 Door and window.
All windows shall be provided with aluminium grill of approved design.
All rolling shutter shall be of approved make and size with pusher and pull operated
properly fabricated including all accessories and necessary fitting of approved
quality.
All the doors and windows shall be painted with two coats of enamel paints over a
coat of primer. Engineer in Charge shall approve the materials, the size, the shape
and the fitting of doors and windows before put in position.
GTS : General Technical Specification. Page 13