Replacement of old water supply line, providing PVC OH water tank and other misc works at TNT complex, Ethiraj Salai, Egmore, Chennai

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-harge.

With cement mortar 1:4 (1cement: 4 coarse sand).

Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of Engineer-In- Charge.

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge :

15 mm to 40 mm nominal bore

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall

20 mm nominal outer dia .Pipes.

25 mm nominal outer dia .Pipes.

40 mm nominal outer dia. Pipes.

50 mm nominal outer dia. Pipes.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

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 40 mm nominal bore

Providing and fixing UPVC ball valve of Aasirvad, Supreme,Phinolex or equivalent of approved quality with necessary solvant etc complete :

20 mm nominal outer dia .Pipes.

25 mm nominal outer dia .Pipes.

40 mm nominal outer dia .Pipes.

50 mm nominal outer dia. Pipes.

P/Fixing G.I clamps with brackets for fixing 40 mm / 50 mm dia PVC pipes with necessary screws etc complete

Cleaning of terrace by disposing all rubbish, construction malba, vegetation if any, including mumty and clearing the khurras etc complete (Area of terrace 7900 sqft)

Providing and laying pressed clay tiles (as per approved pattern 20mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement :4 coarse sand) mixed with 2% integral water proofing compound, laid over a bed of 20mm thick cement mortar 1:4( 1 cement : 4 coarse sand) and finished neat complete.