Repairing of 13 nos Dysfunctional Toile of thirteen nos School under Damcherra RD Block of North Tripura District for the year 2025-26.

Dismantling old plaster or pointing, raking out joints, cleaning and preparing the surface for re-plastering or re-pointing including disposal of rubbish to the dumping ground with all leads and lifts etc.complete as per direction of the Engineer- in-charge.

Grading roof for water proofing treatment complete as required as per direction of the Engineer-in-charge with : a)Cement mortar 1:4 (1cement : 4 fine sand)

Constructing soak pit 1.20 x 1.20 x 1.20 m filled with brickbats including S.W. drain pipe 100 mm diameter and 1.20 m long complete as per standard design

Providing and fixing 1st 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 the Engineer- in- charge in skirting , risers of steps and dados, laid over 12 mm thick bed of cement mortor 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-charge4 450x300 mm in all shades and design..

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)

Reinforced cement concrete work in beams, suspendedfloors, roofs having slope upto 15° landings, balconies,shelves, chajjas, lintels, bands, plain window sills,staircases and spiral stair cases upto floor five levelexcluding the cost of centring, shuttering, finishing andreinforcement-1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Reinforcement for R.C.C. work including straightening,cutting, bending, placing in position and binding allcomplete above plinth level.Thermo-Mechanically Treated bars of grade Fe-500D or more

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

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 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 corrugated G.S. sheet roofing includingvertical/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. limpetwashers filled with white lead and including a coatof approved steel primer and two coats of approvedpaint 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

12 mm cement plaster of mixCement mortar 1:4 (1 cement : 4 fine sand)

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

Distempering with dry distemper of approved brand and manufacture (two or more coats) of required shade on 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 walls with acrylic smooth exterior paint of required shade of approved brand and manufacture [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 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

Neat Cement Punning

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 completeincluding cutting and making good the walls and floors wherever required :

Providing and laying 1st class quality vitrified floor tiles in different sizes (thickness to be specified by themanufacturer) 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.Glazed Vitrified Tiles (Glossy / Mat Finish/ Anti-Skid).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 including rubbing and cleaning etc. all complete as per direction of Engineer-in-charge.In dark shade using ordinary cement

Providing and placing on terrace (at all floor levels) polyethlene 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 chlorinated polyvinyl chloride (CPVC) pipes having thermal stability for hot & cold water supply including all CPVC plain & brassthreated fittings i/e fixing the pipe with clams at 1.00m spacing . This includes jointing of pipes & fittings with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer -in-charge. 25 mm nominal outer dia pipes.

Providing and fixing chlorinated polyvinyl chloride (CPVC) pipes having thermal stability for hot & cold water supply including all CPVC plain & brassthreated fittings i/e fixing the pipe with clams at 1.00m spacing . This includes jointing of pipes & fittings with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer -in-charge.40 mm nominal outer dia pipes.

Providing and fixing brass bib cock of approved quality : 15 mm nominal bore .

Providing and fixing soil, waste and vent pipes: 100 mm dia. Sand cast iron S&S pipe as per IS: 1729.

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps,32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require :White Vitreous China Wash basin size 630x450 mm with a pair of 15 mm C.P. brass pillar taps

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