3rd call for Construction of 01 one unit Biology Lab Room at First Floor of PM SHRI Bilthai HS School of Panisagar Block under North Tripura District during the year 2023-24

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. -All kinds of soil

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

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

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level: 1:3:6 ( 1 Cement: 3 fine sand : 6 graded stone aggregate 20 mm nominal size)

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement- -All work upto plinth level: 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and skirting courses, fillets, columns, pillars, piers, abutments, posts and struts etc. upto floor five level excluding cost of centring, shuttering, finishing and reinforcement-In plinth and skirting courses, fillets, columns, pillars, posts and struts. 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

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 floor five level excluding the cost of centring, shuttering, finishing and reinforcement- RCC work in suspended floors, roofs having slope upto 15° landings, balconies, shelves and chajjas. 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

Centering shuttering including struttings, propping etc. and removal of form work for:Foundations, footings, bases for columns etc. for mass concrete with timber plank

Centering shuttering including struttings, propping etc. and removal of form work for:Columns, Pillars, Piers, Abutments, Posts and Struts withshuttering ply

Centering shuttering including struttings, propping etc. and removal of form work for: Lintels, beams, plinth beams, girders, bressumers and cantilevers with shuttering ply

Centering shuttering including struttings, propping etc. and removal of form work for: Suspended floors, roofs, landings, alconies and access platform with 12 mm thick shuttering ply

Centering shuttering including struttings, propping etc. and removal of form work for:e) Edges of slabs and breaks in floors and walls under 20 cm. wide

Centering shuttering including struttings, propping etc. and removal of form work for: f) Weather shade, chajjas, corbels etc. including edges

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

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

Providing precast cement concrete Jali 1:2:4(1cement:2Coarse sand:4 graded stone aggregate 6mm nominal size) reinforced with 1.6mm dis mild steel wire in/c centering and shuttering,roughening,cleaning,fixing and finishing in cement morter 1:3(1cement:3fine Sand) etc. complete, ex/c the plastering of jamps,sills and soffits a) 40mm thick

First class brick work in foundation and plinth including cost of all materials as required complete:-In cement mortar 1:4 ( 1 cement : 4 fine sand ).

Half brick masonry work with first class bricks in superstructure upto floor five level including cost of all materials as required complete:- 3 In cement mortar 1:4 ( 1 cement : 4 fine sand )

Providing and fixing T-iron frames for doors, windows and ventilators of mild steel Tee-sections, joints mitred and welded, including fixing of necessary butt hinges and screws and applying a priming coat of approved steel primer. 9.10.1 Fixing with 15x3 mm lugs 10 cm long embedded in cement concrete block 15x10x10 cm of C.C. 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

Providing and fixing ISI marked flush door shutters conforming to IS: 2202 (Part I) ecorative type, core of block board construction with frame of 1st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters. - 30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, & with cleats with bolts & nuts, rivets, locking arrangement, handles, hooks & eyes, pinlets including embedding in cement concrete of required grade for fixing in position, all necessary fittings, including applying a priming coat of approved steel primer etc. complete as required:Using M.S. angels 40x40x6 mm for diagonal braces.

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. all complete. - M.S. grills of required pattern

Providing and laying 1st class quality vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS: 15622 - 2017, of approved make, in all colours and shades, laid over 20mm thick cement mortar 1:4 (1 cement : 4 fine sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc. all complete as per direction of the Engineer-in-charge. Double charged Stainfree vitrified tiles (Glossy) - Size of tile 600 mm x 600 mm

Providing and fixing precast chequered cement concrete tiles 18 mm thick, laid in footpath & courtyard, on 20 mm thick bed of cement mortar 1 : 4 ( 1 cement : 4 fine sand ) jointed with neat cement slurry mixed with pigment to match the shade of tiles including rubbing and cleaning complete as per direction of Engineer -in - charge. - In dark shade using ordinary cement

6 mm cement plaster of mix :Cement mortar 1:3 (1 cement : 3 fine sand)

12 mm cement plaster of mixIn cement mortar 1 : 3 ( 1 cement : 3 fine sand )

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

Neat cement punning.

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 grams/ litre, of approved brand and manufacture to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer] :- New work ( two or more coats) over and including water thinnable priming coat with cement primer.

Finishing walls with premium acrylic smooth exterior paint with Silicon additives of required shade of approved brand and manufacture [Payment shall be made after submission of Test Certificate issued by the Manufacturer] : New work ( two or more coats applied @ 1.43 litre/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Finishing with Epoxy paint ( two or more coats) of approved brand and manufacture at all locations prepared and applied as per manufacturer's specification including appropriate priming coat, preparation of surface etc. complete [Payment shall be made after submission of Test Certificate issued by the Manufacturer]. - On steel work

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes (working pressure 4 kg/cm2) conforming to IS : 13592 Type A including jointing with seal ring onforming to IS : 5382 leaving 10 mm gap for thermal expansion:Single socketed pipe - 75 mm OD

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for 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 etc. complete as per direction of Engineer-in-charge : Coupler 75 mm

Providing and fixing fan Clamp type-I of 16mm dai MS bar bent to shape with hooked ends in Rcc slabs during laying in/c painting the exposed of loop, all as per standard design complete.

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