Construction of a new steel staircase for high performance computer lab in old central library building first floor

Amount

Earth work in excavation in all kinds of soil by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.

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

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

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

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 leve

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

Random rubble masonry with hard stone in cement mortar 1:6 (1 cement : 6 coarse sand) in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with

Providing and fixing mild steel round holding down bolts with nuts and washer plates complete.

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Steel work in built up GI tubular TATA/jindal or equvalent (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.

Supplying and fixing 6mm chequered MS sheets cutting into the required size and fixing over duct with a coat of iron primer including cost and conveyance of all materials and labour charges etc. complete.as per the instructions of the departmental officers.

Providing and laying rectified Antiskid Ceramic floor tiles of size 300x300 mm or more (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make, in all colours, shades, laid on 20 mm thick Cement Mortar 1:4 (1 Cement : 4 Coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including pointing the joints with white cement and matching pigments etc., complete.

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 aluminium 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 with C.M. 1:4 (one cement four sand), 12mm thick for walls inside and outside with necessary scaffolding and thread lines, including cost and conveyance of all materials and labour charges etc. complete.

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)

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

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.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including 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

Providing and laying 60mm thick faciory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge.

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 Fibre lamination works to the RCC structure using resine fibre glass and chemicals after washing the surface roughly cleaned and dry fill in the cracks with suitable putty, first apply the resine to the surface well spread and pressing, applying a second layer of resin to smooth finish for forming the whole to a solid mass including cost and conveyance of all materials and labour charges etc. complete as per the instructions of the dept. officers

E K IBRAHIMKUTTY

kp mohankumar