Minor civil works for reducing ingression of water in the area adjacent to clean room of PSB in IISER campus, Vithura

Amount

Steel work in built up tubular (round, square or rectangular hollow tubesetc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved epoxy primer and two or more coats of synthetic enamel paint, including welding and bolted with special shaped washers etc. complete. (Scaffolding, ladders, working platform,etc required shall be arranged by the contractor)

Hot finished welded type tubes

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, fencing frames including cutting, hoisting, fixing in position and applying a priming coat of approved epoxy steel primer and two or more coats of synthetic enamel paint, etc complete all as per the direction of Engineer-in-charge. (Scaffolding, ladders, working platform,etc required shall be arranged by the contractor)

Providing and fixing 10mm anchor bolts in RCC/RR walls which includes necessary drilling using hammer drill, tightening of bolts, etc complete all as directed by EIC (Scaffolding, ladders, working platform,etc required shall be arranged by the contractor)

Providing and fixing precoated trafford metalic roofing sheet Georoof ultima matte or Jindal or JSW (make and colour of coating as per client approval) 0.35mm thickness size, shape and pitch of corrugation as approved 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 but including charges towards cutting to size and shape wherever required, etc. (Scaffolding, ladders, working platform,etc required shall be arranged by the contractor)

Providing and fixing precoated metalic sheet roofing accessories 0.50 mm (+ 0.05 %) total coated thickness, Georoof ultima matte or Jindal or JSW (make and colour of coating as per client approval) using self drilling/ self tapping screws complete : (Scaffolding, ladders, working platform,etc required shall be arranged by the contractor)

Flashings/ Aprons.( Upto 600 mm)

Providing and fixing PVC mouded 6" rain water gutter with iron brackets 20x6mm size, bolts, nuts and washers etc., including making necessary connections with rain water pipes complete all as per the directions of engineer-in-charge

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes 110mm dia 4kg/cm2 including necessary bends, fittings, clamps, etc complete all as directed by EIC.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes 160mm dia 4Kg/Cm2 including necessary bends, all fittings, clamps, earth work excavation & back filling, etc complete all as directed by EIC.

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

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, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 500 m.

All kinds of soil

Laying old cement concrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer in-charge. (Old CC paver blocks shall be supplied by the department free of cost)

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 (i/c equivalent design mix)

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 500 m and lift upto 1.5 m, as directed by Engineer-in- Charge:

All kinds of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand).

Dark shade pigment using ordinary cement

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).

MADHU M