Minor Civil works and waterproofing at Bearing lab, DECS and turbo compressor building at NWTC, Belur

REINFORCED CEMENT CONCRETE

Centering and shuttering including strutting, propping etc. and removal of form for Lintels, beams, plinth beams, girders, bressumers and cantilevers

MASONRY WORK

Brick work with common burnt clay F.P.S (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor five level in all shapes and sizes in cement mortar 1:6 (1 cement : 6 coarse sand)

STEEL WORK

Providing and fixing 1 mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer.Using flats 30x6 mm for diagonal braces and central cross piece

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.Hot finished welded type tubes

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete

FINISHING

15 mm cement plaster on the rough side of single or half brick wall of mix:1:4(1 cement: 4 fine sand)

Pointing on brick work or brick flooring with cement mortar 1:3 (1 cement : 3 fine sand):Flush / Ruled/ Struck or weathered pointing

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats on new work

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Dismantling and Demolishing

Demolishing lime concrete manually/ by mechanical means and disposal of material within 50 metres lead as per direction of Engineer- in-charge.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.Nominal concrete 1:3:6 or richer mix (including equivalent design mix)

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

Demolishing brick tile covering in terracing including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

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.

WATER SUPPLY

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply and 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 25 mm nominal dia Pipes

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete :25 mm nominal bore

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.

WATER PROOFING

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 300 mm height including cleaning the surface before treatment. (b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115 mm 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 2.75 kg/ 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 3 mm 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 120 mm and minimum thickness at khurra as 65 mm.

Grading roof for water proofing treatment with cement concrete 1:2:4 (1cement :2 coarse sand :4 garded stone aggregate 20mm nominal size)

NEW TECHNOLOGIES AND MATERIALS

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer- In-charge complete in all respect.SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

MARKET ITEM

Provinding Precast Cement concrete solid block masonry including hoisting and setting in position with cement mortar 1:6 (Cement :6 Coarse sand) Completed as per the direction of Engineer in charge as per site condition

Providing and applying dash concrete by using 10mm aggregate for slab bottoms including curing etc. complete.

Providing & applying two coats of Anti- corrosive paint for RC members over the cleaned surface of exposed rebars as per specification etc complete.as per the direction of Engineer incharge.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.160 mm diameter

Providing and fixing on wall face unplasticised Rigid PVC moulded fittings/accessories for conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. Elbow 160 mm diameter

Providing and fixing on wall face unplasticised Rigid PVC moulded fittings/accessories for conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. shoe 160 mm diameter

Providing and fixing on wall GI Clamps for the 160mm dia rainwater Pipes including anchor bolts etc,complete as per direction of engineering in charge.

Providing and fixing Chlorinated Polyvinyl Chloride ( CPVC) Tank Nipples including Delivery As Specified, directed by the Engineer in Charge. 25mm Dia.

Providing and fixing CPVC Control valve 25 mm nominal bore as per the direction of Engineer in charge

Dismantling of PVC rainwater pipe with fittings and clamps including stacking the material within 50 metre lead:110mm dia

Dismantling of PVC rainwater pipe with fittings and clamps including stacking the material within 50 metre lead:160mm dia

Core cutting f or RCC roof slab 160mm to 250mm dia opening as per the direction of Enginer in charge