Maintenance and repair works in NITC campus school Spring Valley including outside plastering and replacement of damaged windows with aluminium in academic building C block and providing ramp in main entrance in B block

Amount

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc.in layers not exceeding 20cm in depth, consolidating each deposited layers by ramming and watering lead upto 1Km and lift upto 1.5m etc. complete.including conveying the earth upto 1KM

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

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

Providing and laying in position cement concrete of grade 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centering and shuttering - All work up to plinth level

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

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

Steel reinforcement for R.C.C. work in Thermo-Mechanically Treated bars of grade Fe-500D or more.including straightening, cutting, bending, placing in position and binding all complete upto plinth level

Laterite masonary in cement mortar 1:6 (1 cement : 6 coarse sand) in foundation and plinth using neatly dressed laterite stones including cost and conveyance of all materials and labour charges etc, complete

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

Fixing and welding available dismantled M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etcincluding priming coat with approved steel primer all complete. Fixed to steel windows by welding.

Steel work in built up tubular (round, square or rectangular 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

Providing GI powder coated trafford sheets 0.50mm or nearest available thick with GI bolts and nuts plate washers and bitumin washers, M seal and 150mm overlap at ends including cost and conveyance of all materials and labour charges etc.complete

Providing hip or valleys of 90 cm wide overall in powder coated GI sheet 0.6mm or nearest fixed with polymer coated J, or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete

Providing 150mm or nearest available size PVC gutter with necessary clamps, bolts, nuts and specials such as nozzles sockets stoppers etc. including cost and conveyance of all materials and labour charges etc. complete as per the instructions of the dept. officers

Plastering 15 mm cement plaster on the rough side of single or half brick wall of mix 1:4 (1 cement: 4 fine sand)

12mm cement plaster 1:3 (one cement: three coarse sand) finished with a floating coat of neat cement including cost and conveyance of all materials and labour charges etc. complete.

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :

Finishing walls with two or more coat Acrylic Smooth exterior paint of required shade in New work (applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Finishing with Epoxy paint two or more coats on steel work at all locations prepared and applied as per manufacturers specifications including appropriate priming coat, preparation of surface, etc. complete.

Painting with two or more coats synthetic enamel paint on new work of approved brand and manufacture to give an even shade :

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

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade on Old work (Two or more coats applied @ 1.43 ltr/ 10 sqm) over existing cement paint surface

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding.

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

Taking out doors, windows and clerestory window shutters (steel or wood) of area 3 sq. metres and below including stacking within 50 metres lead :

Providing and fixing 110mm (4") PVC pipe (4kg/cm2) best quality Polyvinyl Chloride (CPVC) pipes, including all PVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall

Providing and fixing powder coated aluminium (minimum thickness of powder coating 50 micron) work for fixed portion of doors, windows ,sliding 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 smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, paneling and dash fasteners to be paid for separately) :

Providing and fixing powder coated aluminium (minimum thickness of powder coating 50 micron) work for shutters of 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 smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber / neoprene gasket required (Glazing, panelling, dash fastners and Fittings shall be paid for separately)

Providing and fixing glazing with float glass panes of 4.0 mm thickness (weight not less than 10kg/sqm) in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item)

Providing and laying water proofing treatment on roofs of slabs by applying cement based two component polymer modified water proofing slurry coating (SIKA TOP seal or equivalent) after cleaning the surface free from scale,rust, grease, oil etc. preparing the surface to be true and flat and saturated mixing the liquid (A) and powder (B) components in the ratio 1:4 by weight,applying in two coats with an interval of 2 to 6 hours for hardening in between and finally finished by rubbing down with a soft, dry sponge including protecting the applied surface from direct sunlight and strong wind and curing by gunny bags or polythene sheeting upto 5 days etc. complete

E K IBRAHIMKUTTY