Extension work and Renovation of Jay Hari Prathamik Sangkori Namghar Geruapara Tamulpur for the year 2024-25. TN_629_2.

Amount

Extension work and Renovation Earth work in excavation by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m. 2.8.1 All kinds of soil

Dry brick pitching half brick thick in drains including supply of bricks and preparing the surface complete: 16.12.1 With common burnt clay F.P.S. (non modular) bricks of class designation 7.5.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering-All work up to plinth level : 4.1.5 1:3:6 (1 cement : 3 coarse sand (zone-III) : 6 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 upto plinth level. 5.22.1 Mild steel and Medium Tensile steel bars

Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete above plinth level. 5.22.1 Mild steel and Medium Tensile steel bars

Centering and shuttering including strutting, propping etc. and removal of form for : 5.9.1 Foundations, footings, bases of columns, etc. for mass concrete.

5.9.6 Columns, Pillars, Piers, Abutments, Posts and Struts.

5.9.5 Lintels, beams, plinth beams, girders, bressumers and cantilevers.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement-All work up to plinth level : 5.1.3 1:2:4 (1 cement: 2 coarse sand (zone-III) :4 graded stone aggregate 20mm nominal size).

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 5.2.2 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15 landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20mm nominal size).

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: 6.1.1 Cement mortar 1:4 (1 cement : 4 coarse sand).

Half brick masonry with common burnt clay F.P.S (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level. 6.13.2 cement mortar 1:4 (1 cement: 4 coarse sand).

12mm cement plaster of mix : 13.4.2 1:6 (1 cement: 6 coarse sand)

15mm cement plaster on rough side of single or half brick wall of mix: 13.5.2 1:6 (1 cement: 6 coarse sand)

Providing and fixing M.S. Grills of required pattern in frames of windows etc. with M.S. Flats, square or round bars etc. including priming coat with approved steel primer all complete 9.48.1 Fixed to steel windows by welding

Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5mm size, with top and bottom rail of T iron 40x40x6mm, with 40mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stopppers, handles, including applying a priming coat of approved steel primer. sqm 9397.35

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. 10.16.3 Electric resistance or induction butt welded tubes.

Providing corrugated G.S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 12.1.3 0.63mm thick with zinc coating not less than 275gm/m2

Providing ridges or hips of width 60cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8mm dia G.I. limpet and bitumen washers complete. 12.4.2 0.63mm thick with zinc coating not less than 275gm/m2

Excavating supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20cm in trenches, plinth, sides of foundation etc. complete.

Diluting and injecting chemical emulsion for POST CONSTRUCTIONAL anti-termite treatment (excluding the cost of chemical emulsion): 2.35.3 Treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300mm apart including drilling 12mm diameter holes and plugging with cement mortar 1:2 (1 cement:2 coarse sand) to match the existing floor. 2.35.1.1 With Chlorpyriphos/Lindane E.C. 20% with 1% concentration.

62mm thick cement concrete flooring with concrete hardener topping, under layer 50mm thick cement concrete 1:2:4 (1 cement: 2 coarse sand :4 graded stone aggregate 20mm nominal size) and top layer 12mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate, 6mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacture's specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc.complete.

Cement plaster 1:3 (1 cement:3 coarse sand) finished with a floating coat of neat cement 13.9.1 12mm cement plaster

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement: 3 coarse sand (zone-III): 6 graded stone aggregate 20mm nominal size) over 75mm thick bed of dry brick ballast 40mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Providing and applying plaster of paris putty of 2mm thickness over plastered surface to prepare the surface even and smooth complete.

Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade: 13.41.1 New work (two or more coats) over and including water thinnable priming coat with cement primer.

Applying one coat of water thinnable cement primer of approved brand and manufacture of wall surface. 13.43.1 Water thinnable cement primer.

Finishing walls with water proofing cement paint of required shade: 13.44.1 New work (Two or more coats applied @ 3.84 kg/10sqm)

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete. 13.52.1 On steel work

Shri Ashit Kumar Brahma (BID ID -275755)

PREMJIT NARZARY (BID ID -275758)