Revamping of DAS cabin structures and chemical shed tiles replacement work at MSF plant NDDP Kalpakkam

Providing and fixing "Sandwich" puf roofing sheets of approved manufacturers made out of 0.47mm thick colour coated Galvalume AZ-150, 550mpa colour coated RAL 9002 on top, 0.35mm thick AZ-70, 350mpa color coated Galvalume RAL 9003 liner with centre core made with 50mm thick Polyuerthane of Density 38kg/Cum to the required size as per the site condition (Approximately 1.0m width and 7.0m long) necessary over lappings, driven screws, labour for fixing in position transportation etc, including providing necessary flashing by folding bottom sheet to cover the puf portion at the exposed edges/ends et., and side faces of extreme end sheets etc., trimming, cutting to profile foam fillers all complete as directed by the Engineer-in-charge and as per manufacturer specification. Note: Only laid area without overlapping will be measured for payment.

Providing and fixing "Sandwich" wall panelling sheets of approved manufacturers made out of 0.47mm thick colour coated Galvalume AZ-150, 550mpa colour coated RAL 9002 on top, 0.35mm thick AZ-70, 350mpa color coated Galvalume RAL 9003 liner with centre core made with 60mm thick Polyuerthane of Density 38kg/Cum to the required size as per the site condition (Approximately 1.0m width and 7.0m long) necessary over lappings, driven screws, labour for fixing in position transportation etc, including providing necessary flashing by folding bottom sheet to cover the puf portion at the exposed edges/ends et., and side faces of extreme end sheets etc., trimming, cutting to profile foam fillers all complete as directed by the Engineer-in-charge and as per manufacturer specification. Note: Only laid area without overlapping will be measured for payment.

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like MS structural embedment’s/pipe and sleeves/penetration etc. using MS angles, channels, I-sections, plates, tees, flats, rounds, square sections etc. including chamfering and rounding off the edges, applying a coat of Red lead paint primer / Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specifications, drawings and as directed by the Engineer-in-charge. Note: Lifting device arrangements if any required shall also be arranged by the contractor at his own cost.

Supply and installation of FRP moulded chequered plate of 10 mm thickness, of various sizes Resins shall be vinyl ester/ isophthalic polyester/ polyester and having characteristic of flame retardant and protected from ultraviolet (UV) attack with, 1) integral UV inhibitors in the resin and 2) a synthetic surfacing veil to produce a resin rich surface.FRP shall be slip resistant.Chequered plates shall be cut in to required sizes as per the site condition and fixed as instructed by the Engineer Incharge

Providing and Painting with Epoxy paint (two or more coats) using APCODUR-CF-641 finishing coat at all locations prepared and applied as per manufacturer' specifications including a priming coat if specified by the manufacturer, preparation of surface and etching with 10% commercial Hydrochloric acid wherever necessary and neutralizing the acid etched areas by washing with 5% solution of soda ash neatly and washing with sufficient water, after first coat Epoxy based trowelling compound if required, including preparation of the surface by scrapping, applying sand paper, filling the holes, joints, cracks if any, etc. complete all as per manufacturers Technical Data and as directed at site to achieve 200 micron Dry film thickness (50 Micron Primer coat and 150micron finishing Coat). (Contractor has to provide Elcometer sampling sheets etc. at his cost for testing film thickness)

Epoxy based abrasion and chemical resistant coating of 2- 3 mm having high abrasion resistant and water proof floor paint as per the technical specifciationspecifcaition

Providing plastering to the internal surfaces of brickwork/concrete at all elevations in cement mortar 1:5, 12mm thick including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as per specifications.

Providing and applying painting Two coats at all levels with premium Plastic emulsion paint (Asian or Equivalent approved brand, colour and manufacturer) to give an even shade including one under coat of cement primer, applying putty, preparation of the surfaces, scaffolding complete all as per specifications and as directed by the Engineer-in-Charge.

Dismantling tile work (thickness of tile above 25mm upto 40mm) in floors and roofs laid in cement mortar at all levels including stacking material within 50 metres lead complete all as per specifications and directed by the Engineer-in-charge.

Providing Acid/Alkali resistant flooring and dadooing using 38mm thick Acid/Alkali resistant Bricks/ tiles of pelican or approved equivalent make as per IS:4870 including preparation of surface applying one coat of primer , application of 10mm thick mastic membrane , laying of tiles in potassium silicate based mortar of 2mm thick and pointing the joints with to a depth of 10to 12mm with CNSL mortar etc., cleaning the surface neatly at the time of handing over the area complete all as per manufacture's specification and as directed by the Engineer-in-charge. Note : The sample tile shall be got approved by the Architect/Engineer before procurement. The job shall be got executed by specialists in this line.