Rectification works to the Seal Air Fan Motor Bed in Mill Feeder Bay at 18m level in Unit 4

Dismantling the existing RCC for the required width & depth as per the instructions of engineer in charge including cost of all materials, labours, lead, lift, curing, etc. complete.

Providing shuttering for supporting the reinforced cement concrete surfaces rate including cost of all materials, labours, lead, lift, etc. complete.

Supplying and providing the conbextra GP2 or equivalent of 25kg bag and mixed with of proper cement ratio and mixed with 25% of 6mm metal as per the instruction of engineer rate including cost of all materials, welding, shuttering arrangements, labour, lead, lift, hire charges for machine etc., complete.

Supplying fabricating and fixing in position of RTS rod for reinforcement including cutting bending tying and fixing in position including cost of all materials, labour, binding wire, lead, lift etc., complete.

Providing RCC 1:1.5:3 using OP cement with 12mm to 20mm machine crushed HBG metal including cost of all materials, labours, lead, lift, curing, etc. complete - excluding cost of reinforcement and form work.

Removing the spalled/ distressed RCC from the existing concrete in column and beams for an average thickness of 50mm disposal of debris with a lead of 1km and roughening the surface thoroughly with reebaklens fosroc acid/equivalent with all lead lift labour etc., complete.

Micro Concrete for RCC wall with shuttering: a)Applying one coat of Nito Zinc/equivalent primer after thorough cleaning of rust in the reinforcement rate including cost of all materials, labours, lead, lift, etc., complete as directed by the engineer at site. B) Providing fabricating and erecting slurry tight form work with plywood shutters with suitable supports, which do not deform due to micro concrete including cost of all materials, labours, lead, lift, etc., complete as directed by the engineer at site. C) Providing micro concrete Rendroc RG (or) equivalent as per manufacture's specifications. This mixed micro concrete should be placed continuously for an average thickness of 75mm including cost of all materials, labours, lead, lift, etc., complete as directed by the engineer at site. D) Applying one coat of polymer modified Acrylic Emulsion (Nito bond AR or equivalent) on the finished concrete surfaces as a curing membrane including cost of all materials, labours, lead, lift, etc., complete as directed by the engineer at site.

Providing One coat of white cement primer and two coats of anticorrosive black paint to the newly plastered surface area including cost of all materials, labour, lead, lift, etc., complete.

S. THIRUMAL