2nd call Construction of 01 one unit additional Class Room at Rajani Sardar Para SB School under Hrishyamukh Block of South Tripura for the year 2025-26.

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 well burnt brick aggregate 20 mm nominal size)

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 fine sand : 6 graded well burnt brick aggregate 20 mm nominal size) over 75mm bed of dry brick ballast 40mm nominal size well rammed and consolidated and grouted with fine sand including finishing the top smooth.

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

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars/ Cold twisted deformed steel bars

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

Columns, Pillars, Piers, Abutments, Posts and Struts with shuttering ply

Lintels, beams, plinth beams, girders, bressumers and cantilevers with shuttering ply

Suspended floors, roofs, landings, balconies and access platform with timber planks

Providing and laying cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded well burnt brick aggregate) flooring finished with a floating coat of neat cement including cement slurry, rounding of edges and strips etc. all complete as per direction of Engineer-in-charge. 40 mm thick with 20 mm well burnt brick aggregate

Grading roof for water proofing treatment complete as required as per direction of the Engineer-in-charge with : Cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded stone aggregate 20 mm nominal size)

Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS : 1285, fixing with dash fasteners of required dia and size, including necessary filling up of gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawing and the direction of Engineer incharge. (Glazing and paneling and dash fasteners to be paid for separately) :-For fixed portion of approved quality:-Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15).

For shutters of doors, windows & ventilators including providing and fixing hinges / pivots and making provision for fixing fittings wherever required including the cost of EPDM rubber / neoprene gasket required ( Fittings shall be paid for separately ):-Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15).

Providing and fixing glazing of approved quality in aluminium doors, windows, ventilator, shutters and partition etc. with EPDM rubber / neoprene gasket etc. complete as per architectural drawing and the direction of Engineer-in-charge (Cost of snap beading shall be paid in basic item) :-With float glass panes of 4.0 mm thickness ( weight not less than 10.0 kg / sqm )

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position :Local Teak Wood

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

Steel work welded in built up section/framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using steel etc. complete as required:-In grating, frames, guard bar, railing, brackets, gates and similar works, all complete

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 ).

First class brick work in superstructure above plinth level & upto floor-five level 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:-In cement mortar 1:4 ( 1 cement : 4 fine sand ).

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

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 - 110 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: Bend 87.5° 110 mm

Providing and fixing 16 mm dia M.S. fan clamps of standard shape and size in existing RCC slab including cutting chase and making good and painting exposed portion of the clamps as required including disposal of rubbish etc. to the dumping ground with all leads and lifts complete as per direction of the Engineer in charge.

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 including rubbing and cleaning etc. all complete as per direction of Engineer-in-charge. In dark shade using ordinary cement

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..Soluble Salt Stainfree vitrified tiles (Glossy) Size of tile 600 mm x 600 mm

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

12 mm cement plaster of mixIn cement mortar 1 : 4 ( 1 cement : 4 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 )

Finishing walls with premium acrylic smooth exterior paint of required shade of approved brand and manufacture on 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 complete. [Payment shall be made after submission of Test Certificate issued by the Manufacturer]

Distempering with dry distemper of approved brand and manufacture (two or more coats) of required shadeon new work, over and including water thinnable priming coat to give an even shade. [Payment shall be made after submission of Test Certificate issued by the Manufacturer]

Finishing with epoxy paint ( two or more coats ) of approved brand and anufacture at all locations prepared and applied as per manufacturer's specification on new work 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

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer]: Two or more coats on new work over an under coat of suitable shade with ordinary paint (primer) of approved brand and manufacture