Water Supply, Irrigation & Sanitation Tenders

Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces etc consisting of following operations: a) Applying a slurry coat of neat cement using 2.75 kg/sqm. of cement admixed with water proofing compound conforming to IS. 2645 and approved by Engineer-in-charge over the RCC slab including adjoining walls upto 300mm height including cleaning the surface before treatment. b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115mm size with 50% of cement mortar 1:5 (1 cement : 5 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge over 20 mm thick layer of cement mortar of mix 1:5 (1 cement :5 coarse sand ) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer- in-charge to required slope and treating similarly the adjoining walls upto 300 mm height including rounding of junctions of walls and slabs c) After two days of proper curing applying a second coat of cement slurry using 2.75kg/ sqm of cement admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge. d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge including laying glass fibre cloth of approved quality in top layer of plaster and finally finishing the surface with trowel with neat cement slurry and making pattern of 300x300 mm square 3mm deep. e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for final test. All above operations to be done in order and as directed and specified by the Engineer-in-Charge : With average thickness of 120mm and minimum thickness at khurra as 65 mm.

M&L for water proofing treatment with APP modified bituminous membrane 3mm thick consisting of the following for RCC roof :- (a) Cleaning palstered roof surfaces and applying a coat of oxidised bitumen based solvented primer @ 0.3Kg /Sqm of approved make on top of dry surface of RCC roof complete all as specified and directed. (b) M&L for APP modified polymeric water proofing membrance 3mm thick weight not less than 3.0 Kg/Sqm with non woven polyster core of approved make applied by heating one surface of membrane with LPG torch with lap of 100mm and the overlap shall be sealed by flame complete all as specified and directed.

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 metal clamps of approved make at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints, Including for all heights, necessary support, hanging works drilling and finishing holes at wall of all height and scaffolding charges etc complete as per direction of Engineer in Charge. External work- Exposed on Wall

M&L for Cleaning of HDPE service water tank of capacity exc 250 litre & up to 500 litre and connected circulating pipes at any position by removing sludge, mud, moss, moulds, efflorescent salts, oil spots etc or any other foreign material from the bottom, cover and internal surfaces by scraping using wire brush, draining out the water from the tank and washing internally with water & bleaching powder (0.10 Kg of bleaching powder will be mix in 1 litre water) and again draining out the water from the tank and writing the date of cleaning with white synthetic enamel paint on black background of tank complete all as specified and directed.

plumbing & passenger amenity work round the clock in 146000 numbers of Primary/Secondary coaches