Replacement of damaged OHT with PVC storage tank at Scientist Apartment Block-I to III Terrace in CSIR-CLRI Staff Quarters, Adyar, Chennai-600020

Amount

Civil Part

Providing and laying pressed clay tiles (as per approved pattern 20 mm 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 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete.

20 mm cement plaster :1:6 (1 cement: 6 coarse sand)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.In cement mortar

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

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 GI coated Spl.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.25 mm nominal outer dia Pipes

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 GI coated Spl.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. 40 mm nominal outer dia Pipes

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 GI coated Spl.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. 50 mm nominal outer dia Pipes

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 40 mm nominal bore

Placing and removing on terrace (at floor five levels) available polyethylene water storage tank, required diameter of CPVC pipe with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes including dismantling G.I pipe etc for temporary water supply system as directed by Engineer-in-charge.[ 4000 litre of available tank including shifting one place to another for each job] Circular tank

Dismantling Existing pipes of any diameter inlet and outlet pipes for GI/Pvc/SWR/C.I/AC all complete as per direction of site incharge (external work)including removal of clamps , making holes, fittings etc.,complete taking out the pipes of any diameter of size, manually/ by mechanical means including stacking of pipes in departmental stores as per direction of Engineer-in-charge

Providing and placing on terrace (at all floor levels) triple layer polyethylene water storage tank ISI marked with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes including tank nipple, float valve, interconnection fittings and preparation of base support for tank (HDPE water tank). Make: Sintex or equivalent.

GRM ENTERPRISES