Construction of Drinking Water Facility at Middle School Bardhan.

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed: All kinds of soil :

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) with all leads and lifts carriage complete.

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) with all leads and lifts carriage complete

Providing and laying in position specified grade of reinforced cement concrete including curing but excluding the cost of centering, shuttering, finishing and reinforcement. All works upto plinth level 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size) with all leads and lifts carriage complete.

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) with all leads and lifts carriage complete.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto 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

6 mm cement plaster to ceiling of mix 1 : 3 (1 cement : 3 fine sand) with all leads and lifts carriage complete.

12mm Cement plaster of mix: 1 : 6 ( 1 cement : 6 fine sand) with all leads and lifts carriage complete.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 m and lift upto 1.5 m.

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. Internal work-exposed on wall, including fixing the pipe with clamps at 1.00 meter spacing

15mm nominal outer dia pipes.

20mm nominal outer dia pipes.

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.

15mm nominal outer dia pipes.

20mm nominal outer dia pipes

Providing and fixing on wall face un-plasticized - PVC moulded fittings/ accessories for un plasticized 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. Single tee without door

Providing and fixing on wall face un-plasticized - PVC moulded fittings/ accessories for un plasticized 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. Bend 87.5°

75 mm bend

110 mm bend

Providing and fixing 15 mm nominal bore C.P. brass bib cock of approved quality conforming to IS : 8931

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI : 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

Providing and laying in position flow trap including all fittings complete job.

Providing and fixing grating for flow trap.

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