Improvement and renovation works to Marutham Block at Kalaignar Karunanithi Government Higher Secondary School, Kalitheerthalkuppam, Mannadipet Commune, Puducherry (II Call)

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.

Surface dressing of the ground including removing vegetation and in - equalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50m and lift upto 1.5m - all kinds of soil

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)

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 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 centering and shuttering, roughening cleaning , fixing and finishing in cement mortar 1:3 ( 1 cement : 3 fine sand) etc. complete excluding plastering of the jambs, sills and soffits - 50mm thick.

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 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 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

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

Providing and laying pressed clay tiles (as per approved pattern 18mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement : 4 coarse sand) mixed with 2% integral water proofing compound , laid over a bed of 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete

Lime concrete terracing on roofs of required thickness laid to fall with 25mm nominal size brick aggregate and 50% lime mortar 1:2 (1 lime putty : 2 surkhi) rammed and finished with gur and belgiri treatment complete including rounding of junctions with Parapet wall complete.

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 - bend 87.5 degree - 110 mm bend.

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

White washing with lime to give an even shade - new work (three or more coats)

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.

Finishing with epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface , etc.complete - on steel work

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

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc.complete

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 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 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.

Taking out doors, windows and clerestory window shutters (steel or wood) including 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.

Making plinth protection with bricks of class designation 3.5 laid on edge in cement mortar 1:6 (1 cement : 6 coarse sand) with 12 mm thick bed of cement mortar 1:6 ( 1 cement : 6 coarse sand) over 75 mm bed of dry brick aggregate 40mm nominal size rammed. Consolidated and grouted with fine sand and the top of bricks pointed with cement mortar 1:3 (1 cement : 3 fine sand)

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)

Supplying fixing and commisioning of Suguna / Texmo / Sharp 2 HP monoblock pumpset slow speed single phase motor. The rate include the cost of pumpset , pumpset fixing in position and test run etc. complete

Providing and fixing white vitreous china laboratory sink with C.I.brackets , C.P.brass chain with rubber plug , 40mm C.P.brass waste and 40mm C.P.brass trap with necessary C.P.brass unions complete , including painting of fittings and brackets, cutting and making good the wall wherever required – size 600x450x200 mm

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 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.) – 25 mm 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.) - 32mm nominal outer dia pipes

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 - Circular Tank.

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.

Cleaning of reinforcement from rust from the reinforcing bars to give it a total metre per rust free steel surface by using alkaline length chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry , all complete – Bars upto 12mm diameter

Cleaning of reinforcement from rust from the reinforcing bars to give it a total metre per rust free steel surface by using alkaline length chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry , all complete – Bars above 12mm diameter.

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 bonding coat of approved adhesive on chipped portion of RCC as per specifications and complete in all respect - Epoxy bonding adhesive having coverage 2.20 sqm /kg of approved make.

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 crusing strength at the end of 28 days to be not less than 30 N / Sqmm) - 12mm average thickness

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 cursing strength at the end of 28 days to be not less than 30 N / Sqmm) - 25 mm average thickness in two layers.

Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt.of cement used) plain / reinforced concrete jacket for the structural members e.g. columns , pillars , piers , beams etc with concrete having the specified minimum characteristic compressive strength (with ordinary Portland cement , coarse and graded stone aggregate of 10mm maximum size in proportion as per design criteria) with specified average thickness all – round existing core of RCC member. Note: Rates shall be for finished surface area of concrete and shall include the cost of making holes in existing RCC slab , if required , for pouring concrete in shuttering mould of jacket and appropriate approved Super - Plasticiser for rendering concrete as flowable self compacting and SBR polymer but shall excude 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) - 50mm thick in Grade M25 with cement concrete not less than 330 kg per cum

Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt.of cement used) plain / reinforced concrete jacket for the structural members e.g. columns , pillars , piers , beams etc with concrete having the specified minimum characteristic compressive strength (with ordinary Portland cement , coarse and graded stone aggregate of 10mm maximum size in proportion as per design criteria) with specified average thickness all – round existing core of RCC member. Note: Rates shall be for finished surface area of concrete and shall include the cost of making holes in existing RCC slab , if required , for pouring concrete in shuttering mould of jacket and appropriate approved Super - Plasticiser for rendering concrete as flowable self compacting and SBR polymer but shall excude 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) - 75mm thick in Grade M25 with cement concrete not less than 330 kg per cum

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 lenghth 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).

Filling in plinth or trenches, under floors, in areas with Quarry dust including watering, ramming, consolidating and dressing, cost and conveyance of all materials, labour charges, lead lift etc. complete at all levels as directed by the Engineer-in-charge.

Providing an instant setting by hydraulic water proofing compound (classic Rapid set plugging mortar) at the junction of roof and parapet wall to stop the entry of water and providign one coat of water proofing bonding agent for cementitious mixes (Classic Acryfix SBR or equivalent) mixed with cement slurry applied over the prepared surface including cleaning the surface etc. complete as directed by the Engineer-in-charge.

Providing and laying PCC 1:1.5:3 (1 cement : 1.5 fine sand : 3 6mm stone aggregate) haunching concrete 15 to 20cm wide mixed with classic Acryfix SBR polymer latex 2 litres per bag of cement at the juction of roof and parapet wall to stop the entry of water after applying a primer coat of cement slurry mixed with classic Acrifix SBR polymer latex ration of 1 litre per bag of cement 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.

Removing and refixing of the existing grill gate of size (2.00 x 2.10 m) and complete. The work in all respects.

Repair works to the existing doors and windows by chase cutting, planning the wooden doors & windows etc. complete as directed by the Engineer-in-charge.

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)

Disposal of debris / rubbish etc. within 3km radius from the site. The rate includes loading and unloading, transportation charges etc. complete.

sabastinmartial

D Boopalan

R CHANEMOUGAM