Replacement of filter bed media at IWSS Khadia Area

Item Description/ Heading

PART A

removal of sand rapid gravity filter bed to outbside the plant and stacking the same with all lead within the campus including cleaning the bed all complete complete as per direction of EIC

removal of 6mm grit/gravel from rapid gravity(R.G.) filter bed to outside the plant and stacking the same with all lead within the campus including cleaning the bed all complete complete as per direction of EIC

removal of 12mm grit/gravel from rapid gravity filter bed to outside the plant and stacking the same with all lead within the campus including cleaning the bed all complete complete as per direction of EIC

removal of 37mm grit/gravel from rapid gravity filter bed to outside the plant and stacking the same with all lead within the campus including cleaning the bed all complete complete as per direction of EIC

removal of 50mm grit/gravel from rapid gravity filter bed to outside the plant and stacking the same with all lead within the campus including cleaning the bed all complete complete as per direction of EIC

Supplying filter grade Barakar sand for the effective size 0.45mm to 0.70mm for rapid gravity filter bed as per detailed specification excluding unloading but including all taxes . Royalty etc all complete as per EIC (The bidder shall have to submit documentary details in support of source of supply of material and means of transportation)

Laying of filter grade Barakar sand in Rapid gravity filer bed including levelling carriage from the campus etc. all complete as per direction EIC

Supplying 6mm to 2.5mm gravel/grit for rapid gravity filter bed as per detailed specification etc all complete excluding unloading but including all taxes . Royalty etc all complete as per EIC (The bidder shall have to submit documentary details in support of source of supply of material and means of transportation)

Laying of gravel 6mm to 2.5mm in specified layer including leveling ,hand packing carriage etc. all complete as per direction EIC

Supplying 12mm to 6mm gravel for rapid gravity filter bed as per detailed specification etc all complete excluding unloading but including all taxes . Royalty etc all complete as per EIC (The bidder shall have to submit documentary details in support of source of supply of material and means of transportation)

Laying of gravel 12mm to 6mm in specified layer including leveling ,hand packing carriage etc. all complete as per direction EIC

Supplying 37mm to 12mm gravel for rapid gravity filter bed as per detailed specification etc all complete excluding unloading but including all taxes . Royalty etc all complete as per EIC (The bidder shall have to submit documentary details in support of source of supply of material and means of transportation)

Laying of gravel 37mm to 12mm in specified layer including leveling ,hand packing carriage etc. all complete as per direction EIC

Supplying 50mm to 37mm gravel for rapid gravity filter bed as per detailed specification etc all complete excluding unloading but including all taxes . Royalty etc all complete as per EIC (The bidder shall have to submit documentary details in support of source of supply of material and means of transportation)

Laying of gravel 50mm to 37mm in specified layer including leveling ,hand packing carriage etc. all complete as per direction EIC

Unloading of filter media i.e Sand gravel,s of various size including stacking the same all complete as per direction of EIC

CARRIAGE of material -2 km-Sand ,stone aggregate below 40mm nominal size

CARRIAGE of material -2 km-Stone aggregate 40mm nominal size & above

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) cum 6036.15

12 mm cement plaster finished with a floating coat of neat cement of mix : 1:3 (1 cement: 3 fine sand)

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

Total impact of GST for the purpose of CTC