Repair and Painting works of elevated cable trays and supports from Central substation to NP plant area off FACT (CD), Ambalamedu, Kochi.

Repair and Painting works of elevated cable trays and supports from Central substation to NP plant area off FACT (CD), Ambalamedu, Kochi.

Cleaning the structural/other surface neatly at all heights, manually with suitable tools or with high pressure water jet spray (using suitable mechanical means), and scraping if required, to remove the whole accumulated dust, rust, dirt etc as per departmental instructions.

Thoroughly cleaning the concrete surface of pipe rack with high pressure water jet spray (using suitable mechanical means), and scraping if required, to remove the whole accumulated dust, rust, dirt, algae etc as per departmental instructions.

Painting with one coat of zinc chromate yellow metal primer and two coats of synthetic enamel paint using approved brand & quality at all heights on structural surface including cost of all paint and materials, labour charges etc.complete as per deptl instructions.

Providing staging/ scaffolding at all heights for each columns of height upto 10m with cross sectional area of 0.65m x 0.45m of cable tray from Central substation to NP plant area as per site requirement for repairs, plastering and painting works

Centering and shuttering including strutting, propping etc. and removal of form for :Columns, Pillars, Piers, Abutments, Posts and Struts

Chipping & removing portions of existing RCC works carefully without damaging the remaining the structure and removing the debris as per directions within a distance of 150 m.

Cement plastering with CM 1:4,12 mm thick one coat floated hard and trowelled smooth at all levels,excluding cost of cement

Providing and applying single coat of zinc rich anti corrosive coating such as NITOZINC primer or equivalent in 40 micron thickness to the exposed reinforcing bars after application of alkaline rust remover on main and lateral links all complete as directed by EIC

Providing “EPOXY” resin bonding agent over the old concrete surface to receive the new concreting using “NITIBOND-EP” manufactured by FOSROC chemical Ltd, or equivalent at 0.45 kg/sqm as per the manufactures specification including cleaning the surface, cost all material labour etc. complete

Supply & Pouring micro concrete of M40 grade (min.) of Renderoc RG of FOSROC make or equivalent, at the locations to be repaired in RCC beams & columns, Providing and applying of average 30mm thickness of plastic shrinkage compensated micro concrete which shall be cement based pre-packed single component, chloride free, non shrink, free flow, self compacting ready to use after mixing water in specified proportion obtained from approved.

Painting with one coat of approved quality exterior primer to walls, columns, beams, slabs etc after neatly cleaning the surface by removing loose paint, dirt etc.by cleaning with water, scrapping etc. at all heights including cost of all materials, labour charges etc.complete as per instructions.

Painting with one coat of external emulsion of approved quality and colour over the priming coat already done and paid separately after cleaning with cotton waste including cost of all materials, labour charges etc complete at all heights as per departmental instructions

Painting with one coat to old surface/succeeding coat of external emulsion of approved quality and colour after cleaning with cotton waste including cost of all materials, labour charges etc complete at all heights as per departmental instructions

M S AJAYAKUMAR (BID ID -3177818)

K M BIJU (BID ID -3177917)