Water proofing of terrace of the 2nd floor of the Multi purpose Hall building at Govt. Polytechnic Women Jammu

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

Demolishing mud phaska in terracing and disposal of material within 50 meters lead

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

Providing and laying integral cement based water proofing treatment including preparation of surfaces as required for treatment of roofs, balconies, terraces etc consisting of following operations. a) Applying a slurry coat of neat cement using 2.75kg/sqm of cement admixed with water proofing compound conforming to IS 2645 and approved by Engineer-in-charge over the RCC Slab includingadjoining walls upto 300mm height including cleaning the surface before treatment. b) Laying brick bats with mortar using broken bricks/ Brick Bats 25mm 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 20mm 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 Engineerin-charge to required slope and treating similarly the adjoining walls upto 300mm 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 20mm thick joint less 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 300x300mm/sq 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 Engineerin-charge.With average thickness of 120mm and minimum thickness at khurra as 65 mm

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement: 3 fine sand) as per standard design. In 75x75 mm deep chase.

Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron finished with 12 mm cement plaster 1:3 (1 cement: 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete.

Labour engaged for cleaningand removal of bushes in the area.

Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge.

Engaging Plumber for removing/shifting of existing Water pipe line from terrace and refixing of same, making connection to Existing Water storage tanks etc. after completion of work.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply, including all CPVC plain and brass threaded fittings. This includes jointing of pipes and fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer-in-charge. : External work including trenching, refilling etc.: 40 mm nominal outer dia pipes.

Brick work with common burnt clay (non-modular) bricks of class designation 7.5 in foundation and plinth including curing in :Cement mortar 1:4 ( 1 cement : 4 coarse sand)

Extra for brick work with common burnt clay bricks/cement concrete bricks in superstructure above plinth level upto floor five level

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15°, landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto five level including curing but excluding the cost of centring, shuttering, finishing and reinforcement with : 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size).

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

Centering and shuttering including strutting, propping etc. and removal of form for: Suspended floors, roofs, landings, balconies and access platforms.

Edges of slabs and breaks in floors and walls : Under 20 cm wide

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

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

Disposal of malva by mechanical means beyond muncipal limits (Average lead 10 km).

Carriage of material avg. lead 10 Km By mechenical means.

Aggregates below the size of 40mm nominal aggregate.

Bricks ( for an avg. lead of 15 km's.

Bricks bats, average Lead 10 Km By mechenical means.

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