WBIW/EE/MDMD/e-NIT- 20/2025-26/17

Lifting/lowering the displaced/damaged/normal inlet trashrack/bar screen/gratings (up to 3 nos./pump bay ) from intake channel pier grooves by Tripod, Chain pulley Block, rope etc. and stacking the same in suitable place at site as per direction.

Guide channel/Guide path/Top seal path

Fabrication, supply, storing at site, installation & commissioning of trashrack/ bar screen/ grating conformong to relevent IS codes (IS:11388, IS:800, IS:2062) fabricated with structural steel sections such as ms flat, channels, angles etc. including cost of materials, machinary, labour, cutting, aliging, welding as per approved drawing including transportation charges as per direction.

e) 16 mm dia (steel core)

Supplying of MS bolt with nut as per direction of EIC

Supply of Rope clamp

Surface cleaning of metal surfaces by chemical cleaners and then by hand with emary paper, wire brush and power tool cleaners and removing dust and preparation of surface including cost of all materials, labour, machinery, scaffolding, etc., complete with initial lead for sand upto 1 km and all lifts.

Painting of embedded parts, all types of gates, stoplogs and barscreen/gratings etc on prepared surfaces with one coat of inorganic zinc silicate (airless spray preferred)70+/ - 5 micron and two super coats with a total thickness of 300 microns (each 150+/- 5) of solventless coaltar epoxy paint each coat 150 microns ( total 300 microns) including cost of all materials, labour, scaffolding etc., complete with all leads and all lifts.

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