Minor Civil works including repairs to Storage Shed for Electric Maintenance Cell at Staff Quarters, NAL, Kodihalli

Amount

EARTH WORK

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

CEMENT CONCRETE (CAST IN SITU)

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

Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth 1:5:10 (1 cement : 5 coarse sand (zone-Ill) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

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., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:3:6 (1 cement : 3 coarse sand (zone-Ill) derived from natural sources: 6 graded stone aggregate 20 mm nominal size derived from natural sources)

MASONRY WORK

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:4(1 cement :4 coarse sand)

STONE WORK

Coursed rubble masonry (second sort) with hard stone in foundation & plinth with : Cement mortar 1:6(1 cement : 6 coarse sand)

Coursed rubble masonry with hard stone (first or second sort) in superstructure above plinth level and upto floor five level. Masonry work (second sort), in cement mortar 1:6(1 cement: 6 coarse sand)

WOOD AND P.V.C WORK

Providing and fixing Fiber Glass Reinforced plastic (FRP) Door Frames of cross-section 90 mm x 45 mm having single rebate of 32 mm x 15 mm to receive shutter of 30 mm thickness. The laminate shall be moulded with fire resistant grade unsaturated polyester resin and chopped mat. Door frame laminate shall be 2 mm thick and shall be filled with suitable wooden block in all the three legs. The frame shall be covered with fiber glass from all sides. M.S. stay shall be provided at the bottom to steady the frame.

Providing and fixing to existing door frames. 30 mm thick Fiberglass Reinforced Plastic (F.R.P.) flush door shutter in different plain and wood finish made with fire retardant grade unsaturated polyester resin, moulded to 3 mm thick FRP laminate all around, with suitable wooden blocks inside at required places for fixing of fittings and polyurethane foam (PUF)/ Polystyrene foam to be used as filler material throughout the hollow panel, casted monolithically with testing parameters of F.R.P. laminate conforming to table 3 of IS: 14856, complete as per direction of Engineer-in-charge.

STEEL WORK

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

ROOFING

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 10 mm 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 10 mm gap for thermal expansion. Bend 87.5° 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 10 mm gap for thermal expansion. Shoe (Plain) 110 mm Shoe

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood plugs, screwed with M.S. screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete. 110 mm

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

FINISHING

12 mm cement plaster of mix: 1:6(1 cement: 6 fine sand)

18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement: 5 coarse sand) finished with a top layer 6 mm thick cement plaster 1:6 (1 cement: 6 fine sand).

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer and of 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

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 @ 0.90 litre/10 sqm)

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

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

DISMANTLING AND DEMOLISHING

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer 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 as per direction of Engineer - in- charge.

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer-in-charge.

Demolishing brick work 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. In cement mortar

Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in: Channels, angles, tees and flats

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: G.S. Sheet

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.

MARKET RATE ITEMS

Providing and fixing of NCL Window of size 1.2m x 1.2m with necessary screws etc complete as per direction of Engineer in Charge.

Chasing in walls upto20x10mm for embedding roofing sheet along masonary surface by chipping the plastering and refinishingwith cm 1:4 after laying of roofing sheet includibng scaffolding, curing, etc.Complete.

Providing and fixing poly carbonate 2mm thick sheet to existing M.S. Tube/ angle frame work including necessary self tapping screws, joints sealed with seleant, etc., as directed by Engineering -in-charge.

Providing Precast cement concrete solid block masonry including hoisting and setting in position with Cement mortar 1:6 (1 cement: 6coarse sand), completed as per the direction of engineer in charge.

Providing and fixing Stainless Steel tower bolts, with necessary screws etc. complete: 300mm as per direction of Engineer In charge.

Providing and fixing Stainless Steel Aldrop, with necessary screws etc. complete: 250mm as per direction of Engineer In charge.

Providing and fixing SS D shape Handle 150mm, with necessary screws etc. complete: as per direction of Engineer In charge.

Suuplying of 25mm Polyethelene-Aluminium- Polyethelene PE-AL-PE Composite Pressure Pipes Supplying at site of approved quality as per directions of Engineer in charge.

Supplying of 2" Brass Analog Water Meters of Approved Quality As per directions of Engineer in charge.

Supplying of 3" Brass Analog Water Meters of Approved Quality As per directions of Engineer in charge.

Supplying of Hdpe Stub End Flange of 2'' Dia for Fixing of Water Meter for Borewell as per direction of Engineer in Charge.

Supplying of MS Flange of 2'' Dia for Fixing of Water Meter for Borewell as per direction of Engineer in Charge.

A N SRINIVAS (BID ID -813095)