2nd Call of the Construction of Additional Class Room 4(Four) Unit along with Toilet Block at PurbaGakulnagar H.S. School under Bishalgarh Block of Sepahijala District 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 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 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

Cement concrete flooring 1:2:4 (1 cement : 2 fine sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 40 mm thick with 20 mm nominal size stone aggregate

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).

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

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

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

Centering shuttering including struttings, propping etc.and removal of form work for: d) Suspended floors, roofs, landings, balconies 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 mor

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:-Providing and fixing in position 1mm thick M.S. sheet sliding-shutters with frame and diagonal braces of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junction and corners 25mm dia pulley, 40x40x6mm angle and T-iron guide sufficiently long at the top and bottom respectively, channels & with bolts, nuts, rivets, locking arrangement, stoppers, handles, hold fast 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. Doors & window

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 Fixed to steel windows by welding.

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

Providing and fixing hand rail using structural steel etc. of approved size by welding etc. to steel ladder railing, balcony railing and staircase railing etc. including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer complete as required:-G.I.pipes.

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. Hot finished seamless type tubes

Supply & installation of pre-painted Galvalume sheets for roofing/cladding (size, shape and pitch of corrugation as approved by Engineer-in-charge) in 550mpa steel grade, made out of Cold Rolled Steel coated with Zinc-Aluminium alloy coating of 43.5% Zn, 55% Al and 1.5% Silicon confirming to ASTM A792/A792M and AS1397, Alloy coating AZ150/AZ70, colour coated with high quality Polyester coating, top coated of modified polyester of 20 micron, back side coat of 5 micron, having epoxy primer coat of 5 micron on both side. Sheet should have protective guard film of 25 microns minimum to avoid scratches while transportation and should be supplied in single length upto 12 metre or as desired by Engineer-incharge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) with EPDM washers filled with white lead complete upto 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. 0.50mm thickness

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 ngineerincharge. (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).

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) decorative 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 35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws.

Providing and fixing factory made UPVC door frame made of UPVC extruded, section having an overall dimension, as below (tolerance +/- 1mm) with wall thickness 2.0mm+/- 02mm. corners of the door frame to be jointed with galvanized brackets and stainless screws, joint mitred and plastic wilded. The hinge side vertical of the frames reinforced by galvanized MS tube of size 19 × 19 mm and 1 mm +/- 0.1 mm wall thickness and 3 nos stainless steel hinges fixed to the frame complete as per manufacturers specification and direction of Engineer-In-Charge.Extruded section Profile size 48x40 mm

Providing and fixing to existing door frames. 24 mm thick factory made PVC door shutters made of styles and rails of a UPVC hollow section of size 59x24 mm and wall thickness 2 mm ± 0.2 mm with inbuilt edging on both sides. The styles and rails mitred and joined at the corners by means of M.S. galvanised /plastic brackets of size 75×220 mm having wall thickness 1.0 mm and stainless steel screws. The styles of the shutter reinforced by inserying galvanised MS tube of size 20×20 mm and 1 mm ± 0.1 mm wall thickness. The lock rail made up of "H" Section, a UPVC hollow section of size 100×24 mm and 2 mm ± 0.2 mm wall thickness fixed to the shutter styles by means of plastic /galvanised MS "U" cleats. The shutter frame filled with a UPVC multi-chambered single panel of size not less than 620 mm, having overall thickness of 20 mm and 1 mm ± 0.1 mm wall thickness. The panels filled vertically and tie bar at two places by inserting horizontaly 6 mm galvanised MS rod and fastened with nuts and washers, complete as per manufacturer's specification and direction of Engineer-In-Charge. (for W.C. and Bathroom door shutter).

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 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:- In cement mortar 1:4 ( 1 cement : 4 fine sand )

Honey comb brick masonry work of half brick thickness with first class bricks in superstructure for all level including cost of all materials as required complete:- In cement mortar 1:3 ( 1 cement : 3 fine sand ).

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

12 mm cement plaster of mix In 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 )

Grading roof for water proofing treatment complete as required as per direction of the Engineer-in-charge with :Cement mortar 1:3 (1 cement : 3 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 thinnabl

e 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

Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications [Payment shall be made after submission of Test Certificate issued by the Manufacturer]:Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of Special primer applied @ 0.75 ltr /10 sqm

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 tilesSize of tile 60x60 cm

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.

Providing and fixing 1st class quality ceramic glazed wall tiles conforming to IS : 15622 - 2017 (thickness to be specified by the manufacturer) of approved make in all colours, shades of any size as approved by Engineer-incharge in skirting, risers of steps and dados, laid over 12 mm thick bed of cement mortar 1 : 3 (1 cement : 3 fine sand) jointed with ordinary cement slurry including pointing with white cement mixed with pigment of matching shade etc. all complete as per direction of the Engineer in-charge.600 mm X 250 mm in all shades and design

Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms. 15mm nominal bore.

Providing and fixing PTMT liquid soap container 109mm wide, 125mm high and 112mm distance from wall of standard shape with bracket of the same materials with snap fittings of approved quality and colours weighing not less than 105 gms