PACKAGE : I Bid Document VOLUME : II - Public Health Engineering
PACKAGE : I Bid Document VOLUME : II - Public Health Engineering
PACKAGE : I Bid Document VOLUME : II - Public Health Engineering
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Cement bags brought to the site must be stored in water tight shed as approved by<br />
the EIC. Any cement damage by water or otherwise, defective cement shall have to<br />
be removed from the site of work at once. Grade of cement to be used in the work<br />
as stated above shall be approved by the EIC before use.<br />
Reinforcement.<br />
Reinforcement steel bars : Fe 415 HYSD conforming to IS: 1786 shall be used. The<br />
bidder shall inform the Engineer incharge prior to start of work, regarding the type<br />
of steel to be used by him in the works and get them approved accordingly.<br />
Straightening, shaping to form and Cutting steel works : The steel section shall be<br />
straightened and cut to lengths specified and measured with a steel tape. The cut<br />
ends shall be finished smooth. No two pieces shall be welded to make up the<br />
required length of a member.<br />
Hoisting and placing in Position the steel bars : Steel work shall be hoisted and<br />
placed in position carefully and in most cases mechanical appliances such as lifting<br />
tackle, winch and derrick, etc. shall be used. Minimum diameter/thickness of steel<br />
members including angles, which comes in contract with water, will not be less than<br />
6 mm. R.S. Joist shall be used where necessary as per specification.<br />
All types of steel material shall be of tested quality as per specification stated<br />
above. The steel materials shall be free from oil, dirt and loose rust. Any scale or<br />
loose rust shall be removed before use for which extra claim shall not be<br />
entertained.<br />
Painting.<br />
Painting for prevention of rust : Before hoisting, steel work including RSJ shall be<br />
thoroughly cleaned by giving one coat of red oxide paint of approved quality and<br />
after erection two coats of synthetic enamel paint. However covered surfaces shall<br />
be given 2 coats of synthetic enamel paint before erection. The paint shall be of<br />
approved manufacturer and as per the direction of Engineer-in-Charge.<br />
Under water structural steel work shall be finished with anticorrosive paint of<br />
approved make before erection except for the surface coming in contact with<br />
concrete. Special care shall be taken for cleaning of corners. Painting shall be<br />
carried out during dry weather and according to the manufacturer’s specification<br />
and relevant IS code.<br />
GTS : General Technical Specification. Page 7
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