Repair of 20000 Glns cap. Tank at ward NO. 03, naya Talab, Suchani under PRI Grants (Work No. 01)

Amount

Providing and applying integral crystaline slurry of hydrophilic in nature for water proofing treatmet to the RCC structures like retaining walls of the basement , water tanks, roof slabs, podiums, reservoir, sewage & water treatment plant, tunnels/ subway and bridge deck etc., prepared by mixing in the ratio of 5:2 (5 parts integral crystaline slurry : 1 part water) for verticle surfaces and 3:1 (3 parts integral crystaline slurry : 1 part water) for horizontal surfaces and supplying the same from negative material (internal) side with the help of synthetic fibre brush . The material shall meet the requirements as specified in ACI-212-3R-2010 i.e. by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure negative side. The crystaline slurry shall be capable of self- healing of cracks upto width of 0.50 mm. The work shall be carried out all complete as per specification and the direction of the Engineer-in- charge. For vertical surface two coats @ 0.70 kg per sqm

For horizontal surface one coat @1.10 kg per sqm

Finishing walls with water proofing cement paint of required shade on new work (two or more coats) applied @ 3.84 Kg/10 Sqm

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centering and shuttering. All work upto plinth level in 1:2:4(1 cement: 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Providing and fixing 1mm thick M.S sheet door with frame of 40x60x6 mm angle iron and 3mm M.S gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using M.S angles 40x60x6mm for diagonal braces

Repair to plaster 12mm to 20 mm thick Cement plaster or rough side of single or half brick wall of mix : 1:4 in patches ( 1 cement : 4 coarse sand)

E/work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (Not exceeding 1.5mtr in width) and for shafts, wells, cesspits and the like not exceeding 10Sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated and disposal of surplus excavated earth as direted: All kind of soil.

Providing and Fixing of G.I pipes complete with G.I fittings excluding trenches and refilling etc.(external work) GI pipe 40mm dia

Filling available excaved earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20cm in depth, lead upto 50 m and lift upto 1.5mtr.

Making connection of G.I distribution branch with G.I main of following sizes by providing and fixing Tee, including cutting and threading the pipe etc. complete: 25 to 40mm nominal bore

Providing and fixing of gun metal gate valves 40mm dia

Welding of joints by electric arc welding including carriage of set complete

SHIV SARAN GUPTA

RAKESH KUMAR GUPTA

ANIRUDH GUPTA