Construction of new Gplus2 storied school building at Konabon Colony High School, Bishalgarh, Sepahijala District, Tripura under RIDF_XXX during the year 2024_25

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

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

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:

a) 1:4:8 ( 1 Cement: 4 fine sand : 8 graded well burnt brick aggregate 40 mm nominal size)

b) 1:3:6 ( 1 Cement: 3 fine sand : 6 graded well burnt brick aggregate 40 mm nominal size)

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

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)

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:

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 shuttering ply

Edges of slabs and breaks in floors and walls under 20 cm. wide

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 precast cement concrete Jali 1:2:4 (1 cement: 2 coarse sand : 4 graded stone aggregate 6mm nominal size) reinforced with 1.6 mm dia mild steel wire including centring and shuttering, roughening cleaning, fixing and finishing in cement mortar 1:3(1cement : 3 fine sand) etc. complete, excluding the plastering of jambs, sills and soffits. a) 40 mm thick

First class brick work in foundation and plinth including cost of all materials as required complete:- In cement mortar 1:6 ( 1 cement : 6 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 factory made door frame (single rebate) made of solid PVC foam profile with homogenous fine cellular structure having smooth outer integral skin having 60mm width & 30mm thickness and shall be fixed to wall as per instructions of Engineer-In-Charge using 100x8 sheet metal CSK screws.

Providing and fixing 28 mm thick door shutter made of solid PVC foam profile with homogenous fine cellular structure having smooth outer integral skin having 71mm width & 28mm thick as vertical & horizontal styles. Joints are made using solvent adhesive and GI ‘C sections (39mm x 19mm x 0.6mm thick) or M S pipe (40mm x 20mm ) stiffener frame insert & telescopic polymeric ‘L’ corners .The panel shall be filled with 3mm thick high - pressure compact laminate as per manufacturer’s specifications and directions of the Engineer-in-charge, cover moulding shall be provided for covering fixing screws and elegant look.( for W.C. bathroom door shutter).

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 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. complete. b)25 mm thick with 12.5 mm well burnt brick aggregate.

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-in charge 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. a) 450 mm X 300 mm in all shades and design

Providing and laying 1st class quality ceramic floor tiles in different sizes (thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 -2017 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid over 20 mm thick cement mortar 1:4 (1 cement : 4 fine sand), Jointing with grey cement slurry @ 3.3 kg/sqm including pointing the joints with white cement and matching pigment etc. all complete as per direction of the Engineer in-charge. a) Mat Finish Tiles/ Anti-skid Tiles/ Glossy Tiles i)300 mm x 300 mm in all shades and designs.

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

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

12 mm cement plaster of mix In 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 1:6 ( 1 cement :6 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 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] Painting Steel work with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @ 0.90 ltr/ 10 sqm over an under coat of primer applied @ 0.80 ltr/ 10 sqm of approved brand and manufacture

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)

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.

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 structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as required.

Providing corrugated G.S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead and 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 etc. complete as per direction of Engineer-in-charge. 0.63mm thick with zinc coating not less than 275gm/m2

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

Providing and fixing flat pressed 3 layer medium density particle board or graded particle board (Grade I) IS: 3087 marked in ceiling with necessary nails etc. complete as per direction of Engineer-in-charge. (frame work to be paid separately): 12 mm thick

Providingwoodwork in framesof doors,windows, clerestory windows and other frames, wrought framed and fixed in position : Local Teak Wood

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass thre aded fittings including fixing the pipe with clampsat 1.00m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete asper direction of Engineer in Charge.. Internal work - Exposed on wall.

15 mm nominal bore

20 mm nominal bore

25 mm nominal bore

40 mm nominal bore

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded ittingsThis includes jointing of pipes & fittings with one step CPVC solvent cement ,trenching ,refilling & testing of joints complete as per direction of Engineer in Charge External work

40 mm nominal bore

50 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end): a)40 mm nominal bore

Providing and fixing gun metal non-return valve of approved quality (screwed end): a)40 mm nominal bore Vertical

Providing and fixing ball valve (brass) of approved quality High or low pressure, with plastic floats complete : a)25 mm nominal bore

Providing and fixing uplasticised PVC connection pipe with brass unions : a)45 cm length i) 15 mm nominal bore

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

Providing and fixing PTMT grating of approved quality and colour. A)Circular type. i) 100 mm nominal dia.

Cutting holes upto 30x30 cm in walls including making good the same : i) With 1st class bricks.

Cutting holes upto 15x15 cm in R.C.C. floors and roofs for passing drain pipe etc. and repairing the hole after insertion of drain pipe etc. with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including finishing complete so as to make it leak proof.

Providing and fixing PTMT soap Dish Holder having length of 138mm, breadth 102mm, height of 75mm with concealed fitting arrangements weighing not less than 106 gms.

Providing and fixing C.P. brass shower rose with 15 or 20 mm inlet: a) 100 mm diameter

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 fixing water closet squatting pan (Indian type W.C. pan ) with 100mm sand cast Iron P or S trap, 10 litre low level white P.V.C. flushing cistern with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete including cutting and making good the walls and floors wherever required : 18.1.1 White Vitreous china Orrisa pattern W.C. pan of size 580x440 mm with integral type foot rests.

Providing and fixing white vitreous china wash basin including making all connections but excluding the cost of fittings: Flat back wash basin of size 630x450mm

Providing and fixing 600x450 mm bevelled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete.

Providing and fixing 600x120x5mm glass shelf with edges round of supported on anodised aluminium angle frame with C.P. brass brackets and guard rail complete fixed with 40 mm long screws, rawl plugs etc., complete.

Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP brass screws with concealed fitting arrangement of approved quality and colour. a) 450mm long towel rail with total length of 495mm, 78mm wide and effective height of 88mm, weighing not less than 170gms

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete A)Flexible pipe i)32 mm dia

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes (working pressure 6 kg / cm2) conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion: a) Single socketed pipe - 110 mm OD

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water, soil, waste & vent pipes pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion

Coupler i) 110 mm OD

Single equal tee without door i)110x110x110mm

Single equal tee with door i)110x110x110mm

Bend 87.5° i)110mm

Making soak pit 2.5 m diameter 3.0 metre deep with 45 x 45 cm dry brick honey comb shaft with well burnt 2nd class bricks and S.W. drain pipe 100 mm diameter, 1.8 m long complete as per standard design.

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