Renovation and rehabilitation works to the toilet block, school building and construction of fallen compound wall to an extent of 28.15 metre at southern side and 21.85 metre at eastern side at Government Middle School, Andiyarpalayam, Manaveli, Pdy

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

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 upto 50m and lift upto 1.5m.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith 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.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering , shuttering , finishing and reinforcement - All work upto plinth level 1:1.5:3 (1cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size).

Reinforced cement concrete work in walls (any thickness) , including attached pilasters, buttresses , plinth and string courses , fillets , columns , pillars , piers , abutments , posts and struts etc. upto floor five level excluding cost of centering , shuttering , finishing and reinforcement - 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size).

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15 degree landings, balconies, shelves, chajjas, lintels, bands, plain windows sills, staircases and spiral stair cases upto floor five level excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement: 1.5 coarse M sand : 3 graded stone aggregate 20mm nominal size)

Centering and shuttering including strutting , propping etc and removal of form for - foundations, footings, bases of columns etc for mass concrete

Centering and shuttering including strutting , propping etc and removal of form for - Suspended floors , roofs , landings , balconies and access platform

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 - Columns , Pillars , Piers , Abutments , Posts and Struts.

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

Providing , hoisting and fixing upto floor five level precast reinforced cement concrete in shelves including setting in cement mortar 1:3 (1 cement : 3 coarse sand) , cost of required centering , shuttering and finishing with neat cement punning on exposed surfaces but excluding the cost of reinforcement , with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5 mm nominal size)

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

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 foundation and plinth in - cement mortar 1:6 (1 cement : 6 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)

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in superstructure above plinth level upto floor V level - 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 factory made uPVC door frame made of uPVC extruded sections having an overall dimension as below (tolerance +_ 1mm ), with wall thickness 2.0 mm (+-0.2mm) , corners of the door frame to be jointed with galvanized brackets and stainless steel screws , joints mitred and plastic welded. The hinge side vertical of the frames reinforced by galvanized M.S.tube of size 19 x 19 mm and 1mm (+-0.1mm) wall thickness and 3 nos. stainless steel hinges fixed to the frame complete as per manufacturer's specification – Extruded section profile size 42 x 50 mm

Providing and fixing to existing door frames - 30 mm thick factory made Polyvinyl Chloride (PVC) door shutters made of styles and rails of a uPVC hollow section of size 60 x 30 mm and wall thickness 2 mm (+- 0.2 mm) with inbuilt decorative moulding edging on one side . The styles and rails mitred and joint at the corners by means of M.S. galvanised / plastic brackets of size 75 x 220 mm having wall thickness 1.0 mm and stainless steel screws . The styles of the shutter reinforced by inserting galvanised M.S.tube of size 25x20 mm and 1mm (+- 0.1mm) wall thickness . The lock rail made up of 'H' section , a uPVC hollow section of size 100 x 30 mm and 2 mm (+-0.2 mm) wall thickness , fixed to the shutter styles by means of plastic / galvanised M.S. 'U' cleats. The shutter frame filled with a uPVC multichambered single panel of size not less than 620 mm, having overall thickness of 20 mm and 1 mm (+_ 0.1mm) wall thickness . They panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S.rod and fastened with nuts and washers , complete as per manufacturer's Specification.

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 in built up tubular (round,square or rectanglar 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 welded type tubes.

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 plaster skirting upto 30 cm height , with cement mortar 1:3 (1 cement : 3 coarse sand) , finished with a floating coat of neat cement - 18mm thick.

Providing and fixing 1st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer) , of approved make (Jhonson / Asian / Somany / Nitco) in all colours, shades of size 200 x 300 mm as approved in skirting , risers of steps and dados, over 12mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand ) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement with pigment of matching shade complete – size 200x300 mm

Providing and laying ceramic glazed floor tiles of size 300 x 300 mm (thickness to be specified by the manufacturer) , of 1st quality conforming to IS :15622, of approved make (Nitco / Kajaria ) in all colours, shades, except white , ivory, grey, fume red brown, laid on 20 mm thick bed of cement mortar 1:4 (1 cement : 4 coarse sand), including pointing the joints with white cement and matching pigments etc., complete

Providing and fixing PVC corner beading of required size to suit the thickness of the wall tile at the corner joints of dado works

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 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 - shoe (plain) - 110mm shoe.

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 fine 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.

12mm thick plain cement mortar bands in cement mortar 1:4 (1cement : 4 fine sand) – raised band

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.

Applying priming coat - with ready mixed pink or grey primer of approved brand and manufacture on wood work (hard and soft wood)

Applying priming coat - with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron / steel works

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)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade - One or more coats on old work.

Demolishing R.C.C work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead.

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - in cement mortar.

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 sqm 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 and fixing white vitreous china pedestal type water closet (European type W.C.pan) with seat and lid, 10 litre low level white P.V.C. flusing cistern, including flush pipe, 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 - W.C. pan with ISI marked black solid plastic seat and lid.

Providing and fixing white vitreous china water closet squatting pan (Indian type) - Orissa pattern W.C.pan of size 580x440mm

Providing and fixing CP brass health faucet of approved quality - 15 mm nominal bore.

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 1.00 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 PTMT bib cock of approved quality and colour - 15mm nominal bore, 90 mm long , weighing not less than 93 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 conformation to IS : 5382 leaving 10mm gap for thermal expansion - single socked pipes -110mm diameter.

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 without 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 - 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-measurement 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 curshing 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 characteristic 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 istrument) - 50 mm thick in Grade M 25 with cement content not less than 330 kg per cum

Providing and fixing brass gate valve with C.I. wheel of approved quality (screwed end) - 20mm nominal bore.

Providing two legged scaffolding using 15 cm diameter blue - gum posts or casurina posts or best quality bamboo - posts of 4m over all length (3.0m height + 0.5 m projection + 0.5 into the ground) the distance between the two rows being 1.25 m and the spacing of posts with 0.5 m overlap on either side and braces to step up and providing a platform with country wood planks of 40mm thick and 1m width etc in a complete form using coir and nails 1 m run (Rate of scaffolding for a height of 3 m and length of 1 m).

Extra for Providing two legged scaffolding for every additional height of 2.5 m (Rate for scaffolding for a height of 3 m and length of 1m).

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.

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.

Engaging of carpenter to attend repair to door and windows.

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.

Supplying and fixing C.I. manhole cover with frame to a size of 600mm x 600mm with GI coating of approved quality and hinges with locking arrangement etc. complete as directed by the Engineer-in-charge.

E Gengadaran