Construction of four additional classrooms for Government Primary School, Perungalure, Villianur 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

Extra for every additional lift of 1.5m or part there of in excavation / banking excavated or stacked materials - all kinds of soil.

Supplying and filling with gravel (excluding rock) in trenches , plinth, sides of foundations etc. In layers not exceeding 20 cm in depth consolidating each deposited layers by ramming and watering etc .complete including all lead and lift.

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)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc. upto floor five level, excluding the cost of centering ,shuttering and finishing - 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size).

Providing and laying damp-proof course 50mm thick with cement concrete 1:2:4 (1 cement :2 coarse sand : 4 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 (TISCON / VIZAG / IISCO / SAIL / JSW) 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 (TISCON / VIZAG / IISCO / SAIL / JSW) Fe - 415 or more.

Providing and placing M30 grade cover block for RCC work all levels

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work , using cement content as per approved design mix , including pumping of concrete to site of laying but excluding the cost of centering , shuttering , finishing and reinforcement , including admixtures in recommended proportions as per IS : 9103 to accelerate, retard setting of concrete , improve workability without impairing strength and durability . Note:- Cement content considered in this item is @ 330 kg / cum. Excess or less cement used as per design mix is payable or recoverable separately. - All work upto plinth level

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work , using cement content as per approved design mix , including pumping of concrete to site of laying but excluding the cost of centering , shuttering , finishing and reinforcement , including admixtures in recommended proportions as per IS : 9103 to accelerate, retard setting of concrete , improve workability without impairing strength and durability . Note:- Cement content considered in this item is @ 330 kg / cum. Excess or less cement used as per design mix is payable or recoverable separately. - All work above plinth level upto floor V level

Add for using extra cement in the items of design mix over and above the specified cement content therein

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)

Extra for providing and placing in position 2 nos 6mm dia M.S.bars at every third course of half brick masonry

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 of 65mm Godrej Navatal lock of 6 levers etc complete

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 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.

Painting top of roofs with bitumen of approved quality @ 17kg per 10 sq.m impregnated with a coat of coarse sand at 60cudm per 10 sq.m including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete - with residual type petroleum bitumen of grade VG-10

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 - Single tee with 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

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).

Finishing walls with acrylic smooth exterior paint of required shade - New work (two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg / 10 sqm.

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.

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).

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.

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 charcoal powder mixed in the proportion 1:2 (1 cement : 2 charcoal powder) and applying one coat of black board paint including 20 mm thick cement plaster band 50 mm wide in cement mortar 1:3 (1 cement : 3 sand)

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

Providing and fixing welded steel windows of standard rolled steel section, joints mitred and welded with 15x3 mm lugs, 10 cm long with steel lugs embedded in cement concrete blocks 15x10x10cm of 1:3:6 (1 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 and eyes including the cost of applying a priming coat with ready mixed red oxide zinc chromate primer of approved brand and manufacture etc. complete window 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.

S.P.ELUMALAI