Renovation of 4th floor and outside of 56 C.R. Avenue in Central Metro Station (RITES Building) of Metro Railway, Kolkata.

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 as per direction of Engineer-In-Charge // 75mm average thickness 26.28.2 770.00 Sqm 256.35 197389.50 (-) 24.00 150016.02 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS // Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel

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 as per direction of Engineer-In-Charge // 50mm average thickness 15.23.1 80.00 Sqm 73.40 5872.00 (-) 24.00 4462.72

roofs laid in cement mortar including stacking material within 50 metres lead. // For thickness of tiles

raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. 15.7.4 50.00 cum 2060.20 103010.00 (-) 24.00 78287.60 Description:- DISMANTLING AND DEMOLISHING // General // Demolishing brick work manually/

material within 50 metres lead as per direction of Engineer-in-charge. // In cement mortar METRO-KOL-HQ-ENGG/METRO RAILWAY 15.2.2 60.00 cum 1503.60 90216.00 (-) 24.00 68564.16

manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. // Nominal concrete 1:4:8 or leaner mix (including equivalent design mix) 15.60 200.00 cum 263.95 52790.00 (-) 24.00 40120.40 Description:- DISMANTLING AND DEMOLISHING // General // Disposal of building rubbish /

loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer- in-charge, beyond 50 m initial lead, for all leads including all lifts involved. 26.29.1 2600.00 Metre 8.25 21450.00 (-) 24.00 16302.00 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS //

by using alkaline 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 as per direction of Engineer-In-Charge. // Bars upto 12 mm diameter 26.29.2 1000.00 Metre 16.45 16450.00 (-) 24.00 12502.00 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS //

by using alkaline 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 as per direction of Engineer-In-Charge. // Bars above 12 mm diameter 26.31.2 1885.00 Sqm 285.20 537602.00 (-) 24.00 408577.52 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS //

specifications and direction of Engineer-In-charge complete in all respect. // Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make 26.40 1010.00 Sqm 902.55 911575.50 (-) 24.00 692797.38 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS //

mesh to be fixed & firmly anchored to the concrete surface by means of "L" shaped mild steel shear key welded with existing reinforcement including the cost of materials, labour, tool & plants as approved by Engineer-in-charge. 26.38.2 200.00 Sqm 1151.05 230210.00 (-) 24.00 174959.60 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS // Shotcreting R.C.C. columns, beams and slabs etc. in layers with approved design mix concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10 mm maximum size in proportion as per design

Engineer- in-Charge Note: Rates shall include the providing necessary ground wires etc. The levelling gauges, if used, shall be paid for separately. 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 M25 with cement content not less than 330 kg per cum 26.38.3 810.00 Sqm 1628.85 1319368.50 (-) 24.00 1002720.06 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS // Shotcreting R.C.C. columns, beams and slabs etc. in layers with approved design mix concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10 mm maximum size in proportion as per design

Engineer- in-Charge Note: Rates shall include the providing necessary ground wires etc. The levelling gauges, if used, shall be paid for separately. 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. // 75 mm thick in Grade M25 with cement content not less than 330 kg per cum 26.32.3 675.00 Sqm 1174.70 792922.50 (-) 24.00 602621.10 Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS // 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

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 75 mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2). // 50 mm average thickness in 3 layers. 26.32.2 200.00 Sqm 587.35 117470.00 (-) 24.00 89277.20 METRO-KOL-HQ-ENGG/METRO RAILWAY Description:- NEW TECHNOLOGIES AND MATERIALS // REPAIR AND REHABILITATION ITEMS // 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 15 used) as per specifications and directions of Engineer-in-charge. 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 75 mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2). // 25 mm average thickness in 2 layers. 22.25.1 50.00 Metre 547.70 27385.00 (-) 24.00 20812.60 Description:- WATER PROOFING // General // Providing and applying crystalline mortar by mixing in the ratio of 4.5 : 1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled & honeycombed surface of RCC underground structures like basement, water tanks, bridge deck etc. to ensure water tightness. The crystalline mortar shall conform to the EN 1504-3 having compressive strength Class R4 >=45 MPa and

specification and the direction of the engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage. // For sealing cracks and faulty construction joints, routed out/making U-shape groove size 25x25 mm and then primed the area with integral crystalline slurry @0.05 kg/running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50 kg/running metre. Once crystalline mortar is touch dry then finally applied two coats of integral crystalline slurry @0.05 kg/running metre per coat. 6.30.2 50.00 cum 9344.00 467200.00 (-) 24.00 355072.00 Description:- MASONRY WORK // EXPOSED BRICK WALL // Brick work with common burnt clay

deep complete in cement mortar 1:6 (1 cement : 6 coarse sand). // Above plinth level upto floor V level 13.4.2 372.50 Sqm 343.65 128009.62 (-) 24.00 97287.31

of 2 mm thickness over plastered surface to prepare the surface even and smooth complete. 13.99.1 200.00 Sqm 102.80 20560.00 (-) 24.00 15625.60

approved brand and manufacture of required colour to give an even shade : // One or more coats on old work 13.63.1 200.00 Sqm 146.80 29360.00 (-) 24.00 22313.60

brand and manufacture to give an even shade . // Two or more coats on new work 13.41.1 1772.50 Sqm 185.65 329064.63 (-) 24.00 250089.12 Description:- FINISHING // INTERIOR FINISHING // Distempering with 1st quality acrylic distemper

required shade and colour all complete to achieve even shade and colour : // New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre 13.39.1 100.00 Sqm 53.30 5330.00 (-) 24.00 4050.80

give an even shade : // New work (two or more coats) with a base coat of white washing with lime 10.25.2 1000.00 Kg 172.60 172600.00 (-) 24.00 131176.00 Description:- STEEL WORK // General // Steel work welded in built up sections/ framed work,

using structural steel etc. as required. // In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works 5.22A.6 3500.00 Kg 107.85 377475.00 (-) 24.00 286881.00 Description:- REINFORCEMENT CEMENT CONCRETE // STEEL REINFORCEMENT // Steel

binding all complete above plinth level. // Thermo-Mechanically Treated bars of grade Fe-500D or more. 21.1.1.1 200.00 Kg 495.05 99010.00 (-) 24.00 75247.60 METRO-KOL-HQ-ENGG/METRO RAILWAY Description:- ALUMINIUM WORK // General // Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top,

smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / panelling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, panelling and dash fasteners to be paid for separately) : // For fixed portion // Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15) 21.1.2.1 200.00 Kg 598.60 119720.00 (-) 24.00 90987.20 Description:- ALUMINIUM WORK // General // Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be

Aluminium snap beading for glazing / panelling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, panelling and dash fasteners to be paid for separately) : // For shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber / neoprene gasket required (Fittings shall be paid for separately) // Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15) 21.3.1 20.00 Sqm 1176.80 23536.00 (-) 24.00 17887.36 Description:- ALUMINIUM WORK // General // Providing and fixing glazing in aluminium door,

per the architectural drawings and the directions of engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item): // With float glass panes of 4.0 mm thickness (weight not less than 10kg/sqm) 13.91 200.00 Sqm 25.15 5030.00 (-) 24.00 3822.80

proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. 17.1.1 2.00 Each 6767.40 13534.80 (-) 24.00 10286.45 Description:- SANITARY INSTALLATIONS // General // Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 10 litre low level white P.V.C.

: 7231,with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required: // White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests 17.3.1 2.00 Each 8006.60 16013.20 (-) 24.00 12170.03 Description:- SANITARY INSTALLATIONS // General // Providing and fixing white vitreous china pedestal type water closet (European type) with seat and lid, 10 litre low level white vitreous china

arrangement with specials of standard make and mosquito proof coupling of approved municipal design complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required : // W.C. pan with ISI marked white solid plastic seat and lid 17.5.1 6.00 Each 12071.75 72430.50 (-) 24.00 55047.18 Description:- SANITARY INSTALLATIONS // General // Providing and fixing white vitreous china flat back half stall urinal of size 580x380x350 mm with white PVC automatic flushing cistern, with

waste fitting as per IS : 2556, C.I. trap with outlet grating and other couplings in C.P. brass, including painting of fittings and cutting and making good the walls and floors wherever required : // Single half stall urinal with 5 litre P.V.C. automatic flushing cistern 17.7A 3.00 Each 3960.55 11881.65 (-) 24.00 9030.05 Description:- SANITARY INSTALLATIONS // General // Providing and fixing wash basin with C.I.

painting of fittings and brackets, cutting and making good the walls wherever required:-(a) White Vitreous China Wash basin size 550x400 mm with a 15 mm CP Brass single hole basin mixer 17.8 3.00 Each 1683.35 5050.05 (-) 24.00 3838.04

pedestal for wash basin completely recessed at the back for the reception of pipes and fittings. 17.10.1.1 1.00 Each 6945.60 6945.60 (-) 24.00 5278.66 METRO-KOL-HQ-ENGG/METRO RAILWAY

painting of fittings and brackets, cutting and making good the walls wherever required : // Kitchen sink with drain board // 510x1040 mm bowl depth 250 mm 17.29 10.00 Each 53.25 532.50 (-) 24.00 404.70

edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete. 17.35.1.2 20.00 Metre 1180.75 23615.00 (-) 24.00 17947.40

pipes : // 100 mm dia // Centrifugally cast (spun) iron socket & spigot (S&S) pipe as per IS: 3989 18.49.1 5.00 Each 506.80 2534.00 (-) 24.00 1925.84

approved quality conforming to IS:8931 : // 15 mm nominal bore 18.7.2 50.00 Metre 335.00 16750.00 (-) 24.00 12730.00 Description:- WATER SUPPLY // C.P.V.C. PIPES // Providing and fixing Chlorinated Polyvinyl

brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. ( Internal work - Exposed on wall ) // 20 mm nominal dia Pipes 18.7.1 100.00 Metre 286.80 28680.00 (-) 24.00 21796.80 Description:- WATER SUPPLY // C.P.V.C. PIPES // Providing and fixing Chlorinated Polyvinyl

brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. ( Internal work - Exposed on wall ) // 15 mm nominal dia Pipes 9.21.2 13.00 Sqm 2172.10 28237.30 (-) 24.00 21460.35 Description:- WOOD AND P.V.C. WORK // FRAMES AND TRUSSES // Providing and fixing ISI

construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters: // 30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws 9.120.1 12.00 Sqm 3182.95 38195.40 (-) 24.00 29028.50 Description:- WOOD AND P.V.C. WORK // GYPSUM BOARD PARTITIONS // Providing and fixing factory made panel PVC door shutter consisting of frame made out of M.S. tubes of 19 gauge thickness and size of 19 mm x 19 mm for styles and 15x15 mm for top & bottom rails. M.S. frame shall have a coat of steel primers of approved make and manufacture. M.S. frame covered with 5 mm thick heat moulded PVC 'C' channel of size 30 mm thickness, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on both side forming styles and 5 mm thick, 95 mm wide PVC sheet out of which 75mm shall be flat and 20 mm shall be tapered in 45

mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. Top, bottom and lock rails shall be provided both side of the panel. 10 mm (5 mm x 2 ) thick, 20 mm wide cross PVC sheet be provided as gap insert for top rail & bottom rail, panelling of 5 mm thick both side PVC sheet to be fitted in the M.S. frame welded/ sealed to the styles & rails with 7 mm (5 mm+2 mm) thick x 15 mm wide PVC sheet beading on inner side, and joined together with solvent cement adhesive. An additional 5 mm thick PVC strip of 20 mm width is to be stuck on the interior side of the 'C' Channel using PVC solvent adhesive etc. complete as per direction of Engineer-in-charge, manufacturer's specification & drawing. // 30 mm thick plain PVC door shutters 11.41.2 80.00 Sqm 1553.45 124276.00 (-) 24.00 94449.76 Description:- FLOORING // VITRIFIED FLOOR TILES // Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08%

cement mortar 1:4 (1 cement : 4 coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete. // Size of Tile 600x600 mm 5.33.2.2 45.00 cum 10011.35 450510.75 (-) 24.00 342388.17 METRO-KOL-HQ-ENGG/METRO RAILWAY

laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge, for the following grades of concrete.: // All works above plinth level upto floor V level // Concrete of M30 grade with minimum cement content of 350 kg /cum 22.22A 1200.00 Sqm 563.10 675720.00 (-) 24.00 513547.20 Description:- WATER PROOFING // General // Providing and applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having Sun Reflectivity Index (SRI) of

elastomeric water proofing liquid (dry film thickness of complete application/system not less than

remove loose particles with wire brushes, complete in all respect as per the direction of Engineer-in- Charge. 4.2.2 10.00 cum 10357.55 103575.50 (-) 24.00 78717.38 Description:- CONCRETE WORK // CEMENT CONCRETE (CAST IN SITU) // Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters,

coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: // 1:1 1/2:3 (1 cement : 1 1/2 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). 18.48A 3000.00 Per Litre 11.00 33000.00 (-) 24.00 25080.00 Description:- WATER SUPPLY // C.I. SLUICE VALVES/ FIRE HYDRANTS & FIXTURES // Providing and

12701, colour of opaque white or as approved by Engineer-in-charge. The rate includes making necessary holes for inlet, outlet & over flow pipes. The base support including fittings & fixtures for tank shall be paid separately. 5.9.3 500.00 Sqm 927.25 463625.00 (-) 24.00 352355.00

including strutting, propping etc. and removal of form for // Suspended floors, roofs, landings, balconies and access platform 5.9.5 100.00 Sqm 736.40 73640.00 (-) 24.00 55966.40

including strutting, propping etc. and removal of form for // Lintels, beams, plinth beams, girders, bressummers and cantilevers 5.9.6 100.00 Sqm 961.30 96130.00 (-) 24.00 73058.80

including strutting, propping etc. and removal of form for // Columns, Pillars, Piers, Abutments, Posts and Struts 15.3 50.00 cum 3551.25 177562.50 (-) 24.00 134947.50

by mechanical means including stacking of steel bars and disposal of unserviceable material within

exterior paint with Silicone additives of required shade: // New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm) 14.1.2 200.00 Sqm 560.50 112100.00 (-) 24.00 85196.00 Description:- REPAIRS TO BUILDING // General // Repairs to plaster of thickness 12 mm to 20 mm

joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge. // With cement mortar 1:4 (1cement: 4 coarse sand) 13.86 200.00 Sqm 269.15 53830.00 (-) 24.00 40910.80

cement concrete work with white cement based polymer modified self curing mortar of approved make as per the direction of Engineer-In-Charge. 8.31 50.00 Sqm 1267.95 63397.50 (-) 24.00 48182.10 METRO-KOL-HQ-ENGG/METRO RAILWAY Description:- CLADDING WORK // STONE WORK DRY CLADDING // Providing and fixing Ist quality 57 ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete. 22.22 700.00 Kg 388.00 271600.00 (-) 24.00 206416.00 Description:- WATER PROOFING // General // Providing and mixing integral crystalline admixture for water proofing treatment to RCC structures like basement raft, retaining walls, reservoir, sewage & water treatment plant, tunnels / subway and bridge deck etc. at the time of transporting of concrete into the drum of the ready-mix truck , using integral crystalline admixture @0.80% (minimum) to the weight of cement content per cubic meter of concrete) or higher as recommended

meet the requirements as specified in ACI-212-3R-2010 i.e. by reducing permeability of concrete by more than 90%, compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure. The crystalline admixture shall be capable of self-healing of cracks up to a width of 0.50 mm. The work shall be carried out all complete as per specification and the direction of the Engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage. S.No. Item Item Qty Qty Unit Unit Rate Basic Value Escl.(%) Amount Bidding Code Unit Above/ Schedule () B-NON SOR ITEMS 1706750.50 Below/P ar B1 1350.00 Sqm 457.29 617341.50 AT Par 617341.50 Description:- Washing and drying the exposed concrete surface, providing and applying 2 coats of rust remover such as "Rustiside" or equivalent to the exposed reinforcement, scrapping reinforcing bars again and applying polymer coating of "Polyalk Fixoprime" or other approved brand as per

required position by U clips, binding wires etc Complete in all respects with all contractor's labour, material, tools & plants, scaffolding at any height etc. as per direction of Engineer-in- charge complete in all respects. Note: Measurement shall be given for exposed area of concrete. The cost of reinforcement steel will be paid separately against DSR Item no. 5.22A.6 B2 20830.00 Kg 52.30 1089409.00 AT Par 1089409.00 Description:- Jacketing of RCC elements such as column, beams etc with shrinkage compensated cementitious micro concrete such as "Polycrete"/"RENDEROC RG SPL" or equivalent material manufactured by SIKA/FOSROC/BASF/NORMAT /SUNANDA etc to be poured in the shuttering as per manufacture's specification including mixing waterproof shuttering, pouring, consolidating,

strength of not less than 30 N/mm2 after 24 hours, 60 N/mm2 after 7 days and 75 N/mm2 after 28 days at 300C. Most importantly, the cured micro-concrete shall contain no metallic aggregates, or chlorides and shall be shrinkage compensated in the plastic state. The unrestrained expansion shal be between 1-4%. The flexural strength shall not be less than 8 N/mm2 @ 28 days. Rate include cost of all materials, labour, tools and tackles, taxes etc. complete. ( The item shall be paid on actual consumption of micro concrete only)