Supply, fabrication and fitting of FRP drain cover, extension of rainwater pipes and other associated civil works at PHDPL Durgapur.

Amount

FRP DRAIN COVER

Supply, fabrication & fitting of Fiberglass Reinforced Plastic moulded gratings for drain covers as per attached technical specifications

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.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level.

1:3:6 (1 cement : 3 coarse sand: 6 graded stone aggregate 20 mm nominal size)

EXTENSION OF RAINWATER PIPES

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.

Single socketed pipes - 110 mm diameter

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

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 IS: 5382 leaving 10mm gap for thermal expansion.

Coupler - 110 mm

Bend (87.7°) - 110 mm bend

Providing and fixing to the inlet mouth of rain water pipe cast iron grating 25cm diametre and weighing not less than 440 grams.

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.

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)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level.

1:3:6 (1 cement : 3 coarse sand: 6 graded stone aggregate 20 mm nominal size)

Laying old cement cocrete 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).

PREVENTION OF WATER ACCUMULATION OF PROCESS AREA

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.

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)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level.

1:3:6 (1 cement : 3 coarse sand: 6 graded stone aggregate 20 mm nominal size)

Laying old cement cocrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over and including 50mm 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).

MOHIT BATABYAL

SUBHODIP ROY

A K Enterprise