Renovation and rehabilitation works to the school building and toilet block at Government Middle School, Nallavadu, Ariyankuppam Commune, Puducherry

Amount

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plinth level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plinth level - 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size)

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacture's specification.

Centering and shuttering including strutting , propping etc and removal of form for - Lintels , beams , plinth beams , girders , bressumers and cantilevers.

Centering and shuttering including strutting , propping etc and removal of form for -Weather shade , Chajjas, corbels etc., including edges.

Steel reinforcement for R.C.C.work including straightening , cutting , bending , placing in position and binding all complete above plinth level - Thermo - Mechanically Treated bars (ISI BRAND OF APPROVED MAKE) Fe - 415 or more.

Brick work with common burnt clay F.P.S. (non modular ) bricks of class designation 3.5 in foundation and plinth in - cement mortar 1:4 (1 cement : 4 coarse sand)

Brick work with common burnt clay F.P.S (non modular ) bricks of class designation 3.5 in superstructure above plinth level upto floor five level in all shapes and sizes in - cement mortar 1:6 ( 1 cement : 6 coarse sand)

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in foundations and plinth in - cement mortar 1:4 (1 cement :4 coarse sand)

Providing and fixing M.S.grills of required pattern in frames of windows etc with M.S. flats , square or round bars etc. including priming coat with approved steel primer all complete - Fixed to steel windows by welding

Providing and fixing M.S.grills of required pattern in frames of windows etc with M.S. flats , square or round bars etc. including priming coat with approved steel primer all complete - Fixed to openings / wooden frames with rawl plugs screws etc

Providing and fixing 1mm thick M.S.sheet door with frame of 40x40x6 mm angle iron and 3mm M.S.gusset plates at the junctions and corners , all necessary fittings complete, including applying a priming coat of approved steel primer - Using flats 30x6 mm for diagonal braces and central cross piece.

Steel work welded in built up sections / framed work , including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required – in gratings, frames, guard bar, ladder, railings, brackets,gates and similar works.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse 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 - 40mm thick with 20mm nominal size stone aggregate

Cement concrete pavement with 1:2:4 (1 cement : 2 coarse sand: 4 graded stone aggregate 20 mm nominal size) including finishing complete.

Providing and fixing glass strips in joints of terrazo / cement concrete floors - 40mm wide and 4mm thick.

Making khurras 45x45cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) over P.V.C. sheet 1m x1m x 400 micron , finished with 12 mm cement plaster 1:3 ( 1cement : 3 coarse sand) and a coat of neat cement , rounding the edges, making and finishing the outlet complete.

Providing and fixing on wall face unplasticised rigid PVC rain water pipes conforming to IS: 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10mm gap for thermal expansion, (i) Single socketed pipes – 110 mm diameter.

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 10mm gap for thermal expansion - Single tee without door -110x110x110mm.

Providing and fixing unplasticised - PVC pipe clips of approved design to unplasticised- PVC rain water pipes by means of 50x50x50mm hard wood plugs , screwed with M.S. screws of required length, including cutting brickwork and fixing in cement mortar 1:4 ( 1 cement : 4 coarse sand) and making good the wall etc., complete - 110mm

20mm cement plaster of mix 1:4 (1 cement : 4 coarse sand).

12 mm cement plaster of mix 1:5 (1 cement : 5 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix 1:5 (1 cement : 5 fine sand)

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

Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

Finishing walls with water proofing cement paint of required shade - old work (one or more coats @ 2.20 kg / 10 sqm) complete.

Finishing with deluxe multi surface paint system for interiors and exteriors using primer as per manufacture's specification - 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.

Painting with synthetic enamel paint of approved brand and manufacutre to give an even shade – Two or more coats on new work.

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq.metres and under including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50 metres lead - with cement mortar 1:4 (1 cement : 4fine sand).

Demolishing lime concrete manually / by mechanical means and disposal of material within 50 metres.

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix).

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead nominal concrete 1:4:8 or leaner mix (including equivalent design mix).

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead - of area. 3 sq.metres and below.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead - for thickness of tiles 10mm to 25mm.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Providing wall black board with cement mortar 1:3 ( 1 cement : 3 sand) finishing with a floating coat of neat cement and black pigment mixed in the proportion 1:2 (one cement : two black pigment) and applying one coat of black board paint including 20mm thick cement plaster band 50mm wide in cement mortar 1:3 (1 cement : 3 sand)

Acid cleaning for the existing Mosaic floors , glazed tiles work and removing the stains and decays to give a glassy look etc complete (The Acid used shall be 32% concentrated hydrochloric acid after taking on the precautionary measures)

Providing and fixing ASTM pipes including all ASTM plain& brass threaded fittings i/c fixing the pipe with clamps at 1.00m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and testing of joints complete (Internal work exposed on wall ) - 20mm nominal outer dia pipes.

Providing and fixing ASTM pipes including all ASTM plain& brass threaded fittings i/c fixing the pipe with clamps at 1.00m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and testing of joints complete (Internal work exposed on wall ) - 25mm nominal outer dia pipes.

Providing and fixing ASTM pipes including all ASTM plain& brass threaded fittings i/c fixing the pipe with clamps at 1.00m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and testing of joints complete (Internal work exposed on wall ) - 32mm nominal outer dia pipes

Providing and fixing ASTM pipes including all ASTM plain& brass threaded fittings i/c fixing the pipe with clamps at 1.00m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and testing of joints complete (Internal work exposed on wall ) - 40mm nominal outer dia pipes.

Providing and fixing ASTM pipes including all ASTM plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and the cost of cutting chases and making good the same including testing of joints complete (Concealed work including cutting chases and making good the walls etc.) – 20 mm nominal outer dia pipes.

Providing and fixing gun metal gate valve with C.I.wheel of approved quality (Screwed end) - 25mm nominal bore.

Providing and fixing gun metal gate valve with C.I.wheel of approved quality (Screwed end) - 32mm nominal bore.

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

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

Providing and fixing unplasticised PVC connection pipe with brass unions - 45 cm length - 15mm nominal bore

Providing and fixing G.I.union in G.I.pipe including cutting and threading the pipe and making long screws etc.complete (New work) - 25mm nominal bore

Providing and fixing G.I.union in G.I.pipe including cutting and threading the pipe and making long screws etc.complete (New work) - 32 mm nominal bore

Providing and fixing G.I.union in G.I.pipe including cutting and threading the pipe and making long screws etc.complete (New work) - 40 mm nominal bore

Providing and fixing C.P.brass stop cock (concealed ) of standard design and of approved make conforming to IS :8931 – 15mm nominal bore.

Providing and fixing PTMT bib cock of approved quality and colour - 15mm nominal bore, 122 mm long , weighing not less than 99 gms.

Providing and fixing PTMT stop cock of approved quality and colour - 15mm nominal bore , 86mm long, weighing not less than 88 gms.

Providing and fixing on wall / column face unplasticed - PVC soil and waste pipes (type - B) conforming to IS : 13592- 1992 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - single socked pipes -110mm diametre.

Providing and fixing on wall face / column face unplasticised - PVC moulded fittings / accessories for unplasticised - PVC soil and waste pipes conforming to IS : 14735 -1999 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - Single tee with door - 110 x110x110 mm.

Providing and fixing on wall face / column face unplasticised - PVC mould fittings / accessories for unplasticisd - PVC soil and waste pipes conforming to IS : 14735 – 1999 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - bend 110 mm.

Providing and fixing on wall / column face unplasticised - PVC soil and waste pipes (type B) conforming to IS :13592 – 1992 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - Single socketed pipes 75mm diameter.

Providing and fixing on wall / column face unplasticised - PVC moulded fittings / accessories for unplasticised - PVC soil and waste pipes conforming to IS :14735 -1999 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - Single tee with door - 75x75x75mm.

Providing and fixing on wall / column face unplasticised - PVC moulded fittings / accessories for unplasticised - PVC soil and waste pipes conforming to IS :14735 -1999 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - Bend 75 mm.

Chipping of unsound / weak concrete material from slabs , beams , columns etc. with manual Chisel and / or by standard power driven percussion type or of approved make including tapering of all edges , making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete - 75 mm average thickness.

Chipping of unsound / weak concrete material from slabs , beams , columns etc. with manual chisel and / or by standard power driven percussion type or of approved make including tapering of all edges , making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete - 50 mm average thickness.

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams , lintels , columns and slabs to introduce steel bars for sunshades / balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement , all complete - Upto and including 12mm dia.

Providing , mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and complete in all respect - SBR Polymer ( @ 10% of cement weight ) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer.

Providing , mixing and applying SBR polymer (of approved make ) modified Cement mortar in proportion of 1:4 (1 cement : 4 graded coarse sand with polymer minimum 2% by wt.of cement used) as per specifications . Note: Measurement and Payment : The Pre-meaurement of thickness shall be done just after the surface preparation is completed and payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and / or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N / Sqmm) - 25 mm average thickness in two layers.

Providing , mixing and applying SBR polymer (of approved make @ minimum 2% by wt.of cement used) modified plain / reinforced cement concrete for structural members having minimum charscteristic compressive strength ( with ordinary portland cement , coarse sand and graded stone aggregate of 10 mm maximum size in proportion as per design criteria) with specified average thickness . Note: Rates shall be for finished surface area of concrete and shall include the cost of labour , concrete and appropriate approved Super - Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement , bond coat , Shear Keys , centering and shuttering , strutting , propping etc., (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument) - 50 mm thick in Grade M 25 with cement content not less than 330 kg per cum

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness.

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15 degree 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 with 1:1.5:3 (1 cement : 1.5 coarse M sand : 3 graded stone aggregate 20mm nomical size.

Removing the existing cement paint / colour wash in the interior / exterior face using scrapping blade / wire brush and other proper tools upto floor five level to ensure the surface is free of loose particles, deposits, dusts etc., complete all as directed by the Engineer in charge.

Removal of sludge from the septic tank and disposal of the same thorugh the sewage tanker in safe location with an average lead of 10km the rate to include the cost of labour charge for removing and relaying of cover slab laid over the septic tank, mixing of ferro sulphate in to the septic tank for dilution, taking out the sludge through mechanical device and disposal of the same including hire charge for sewega tanker etc. complete as directed by the Engineer- in - charge.

Providing and fixing welded steel windows of standard rolled steel sections, joints mitred and welded with 15x3mm lugs, 10cm long with steel lugs embedded in cement concrete blocks 15x10x10cm of 1:3:6 (one cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size) or wooden plugs and screws or with fixing clips or with fixing bolts and nuts as required, including fixing and welding of M.S. sheet of 1.20mm thick with M.S flat beading welded around the panels, welding of hinges, handles, tower bolts, hooks & eyes including the cost of applying a priming coat with ready mixed red oxide Zinc chromate primer of approved brand and manufacture etc., complete - Windows side hung/top hung.

Disposal of Moorum / building rubbish / similar unserviceable dismantled or waste material by mechanical transport including loading, transporting unloading within a lead of 10km for all lifts, complete all as per the directions of Engineer-in-charge.

G PALANIRAJ

E Gengadaran

vishnuvarthan