Public Works Department Tender

Relaying Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers.

Relaying the top of roof with one course of machine pressed tiles of size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Sand) 12mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete complying with standard specification and as directed by the departmental officers

Cement Concrete 1:5:10 (One Cement, Five sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

Cement Concrete 1:1-1/2:3 (One Cement, One and a half sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Renewing and refixing the damaged broken twisted unserviceable Thermocole false ceiling with new one of "Gyp board false ceiling using 10mm thick Gypboard of approved quality design pattern and drops given by the deptl officers. Using "U" shaped galvanised iron channel of size 25x25x0.55mm thick at 1.20mc/c on both longtitudinal and cross fixing "U" shaped G.I channel of size 50x10x0.55mm thick, direction for vertical sup port and at 0.90m centre to centre on longtitudinal direction respectively for Horizontal support by using teak wood reepers at corners and at intermediately and fixing the "GYPBOARD" on the panel provided as per design/pattern given by the deptl officers. And fininshing the ceiling surface with same plaster of paris materials etc.Necessary openings should be could with Acrylic paint made for providing spot light, floursent tubes in the ceiling by using kit ply 12mm thick and openings should be std specfn and etc complete complying with standard specification and as directed by the departmental officers at site of work.

Varnishing the old wood work two coats of approved Shellac wine varnish including thorough scrapping, sand papering etc complete complying with standard specification and as directed by the departmental officers at site of work.

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of "U" clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification.

Painting the old walls with two coats of first class quality Exterior Emulsion Paint of approved colour over a priming coat including through scrapping clean removed of dirt. The rate includes cost of brushes, sand paper, plaster of paris, putty wherever required & neat finished etc., complete complying with standard specification and as directed by the departmental officers.

Clean Surface thoroughly with water and remove any loose, flacks, fungus growth etc, by suitable mechanical means like scrapping or wire brushing and wash with adequate water to get an absolutely cleaned surface to take on further treatment. Gal – Tech Multi proof Modified Acrylic polymer with cement and fine sand mix ratio 1:2:4 to full the grooves and surface cracks over that apply Gal – Tech Multi proof Modified Acrylic polymer with filler mix ratio 1:2 two coat over night setting. This will seal all the pores and invisible cracks on the existing cementations layer thus making it an intact strengthened roof, Over that apply INSULTEC Sunlight reflective insulation cum waterproofing polymer membrane 2 coats with water mix ratio 5:1.

Collecting the scattered debries from the campus and conveying away the same to ouside by lorry to a lead of 3km (Entirely within city limit including loading and unloading charges and dumping in low places and levelling neatly etc., complete complying with standard specification and as directed by the departmental officers.

Total in Figures