Replacement of old MS waterlines at terrace areas and provision of water filtration system

WATER SUPPLY (INTERNAL / EXTERNAL) Dismantling G.I. pipes (external work) manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge :

Above 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 This includes jointing of pipes & fittings with one step CPVC solvent cement & testing of joints complete as per direction of Engineer in Charge.

75 mm nominal inner dia Pipes

Supplying,fixing, testing and commissioning of BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/ hot eater circulation as specified

80 mm dia

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

40 mm nominal bore

32 mm nominal bore

Providing and fixing gun metal non- return valve of approved quality (screwed end) :

80mm dia (Horizontal)

80mm dia (Vertical)

Providing & fixing Auto Air vent for cold water supply risers, suitable for pressure not less than 10 Kg/Sq.cm.

15 mm dia

Providing and fixing in position Gun metal/ brass heavy type online Pressure reducing valves with bye pass arrangement inluding necessary ball valves,connecting pipes, pressure gauges GI Fittings like elbows, tees, union including making connection to GI Water supply lines etc complete. suitable for working pressure from 0.5 bar to 7 bar pressure, with a adjustable screw for horizontal / vertical mounting and shall be of self damping type

32 mm dia

40 mm dia

50 mm dia

CIVIL WORKS

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Extra for R.C.C./ B.M.C/ R.M.C. work above floor V level for each four floors or part thereof.

Centering and shuttering including strutting, propping etc. and removal of form for :Small surfaces such as cantilever ends, brackets and ends of steps, caps and bases to pilasters and columns and the like

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level with thermo-Mechanically Treated bars of grade Fe-500D or more.

12 mm cement plaster of mix :1:4 (1 cement: 4 fine sand)

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre

WATER PUMPS

Supply, installation, testing and commissioning of Vertical Multistage Inline Pump with capacity 32000 LPH and HEAD minimum 74 meters

WATER TREATMENT PLANT

Supply, Installation testing and commissioning of water purification system having a capacity of 150 KL per day System consist of: Raw Water Pump, Pressure Sand Filter with Activated carbon, Type – Vertical Pressure Vessel MOC – FRP, Filtering Media – Sand, Pebbles, Gravels, Activated Carbon and the unit shall be made of stainless steel with approved grade.