Improvement works to the Ash slurry pump house in Unit 4 and 5 area

Amount

Dismantling the existing doors and windows including removal of frames, hinges & fastenings, including cost of all materials, labours, lead, lift, devolution to stores, etc. complete.

Dismantling the existing RCC for the required width & depth as per the instructions of engineer in charge and disposing the debris 1 Km. away from the site including cost of all materials, labours, lead, lift, curing, etc. complete.

Providing and fixing in position of new anodized aluminium windows of approved manufacture with aluminium 65x38x2.50 mm as main outer frame and inner frame with section 62x30x1.50 mm for top sides and bottom and shutter frame with section 39x19x1.50 mm for vertical plain inter lock and bottom etc including all fittings/ fixture confirming to relevant IS to ensure smooth operation and glazed with 4 mm plain glass panels as sliding type as per instructions of site Engineer, rubber lining with standard hardware’s such as special wheel maruthi lock 'U' Rubber beading screws, join cleats etc., including cost of all material, lead lift, transporting including the dismantling existing broken glasses and damaged aluminium shutter from the window and devoluting the same to the stores etc., complete.

Providing two legged scaffolding, for works for average height of 10m at different elevation using 10 cm dia casuarina props, distance between two rows being 1.25 m and spacing of posts being 2m in both rows, with two horizontal posts with 0.50 m overlap on either side and braces at 2m c/c including longitudinal and transverse middle braces to step up and providing a platform with C.W planks of 40 mm thick and 1m width etc. complete using coir and nails.

Removing the spalled / distresed RCC from the existing concrete to an average thickness of 50mm, disposal of debries with a lead of 1 km and roughening the surface thoroughly with Reebaklens fosroc acid /equivalent with all lead, lift, labour, etc complete.

Providing Micro concrete for 75mm thickness 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 centering and shuttering arrangements for supporting the reinforced cement concrete surfaces rate including cost of all labour, lead, lift, tools 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, tools etc., complete.

Providing RCC 1:1.5:3 using cement with 12 to 20mm metal including cost of all materials, labours, lead, lift, tools, curing etc. complete.

Providing PCC 1:1.5:3 screed concrete for floor using OP/PP cement with 6 to 10mm chips machine crushed HBG metal including cost of all materials, labours, lead, lift, curing, etc. complete.

Brick work in CM 1:5 using fly ash bricks (230x110x70mm) including cost of all materials, labours, lead, lift, curing, etc. complete.

Plastering with CM 1:5, 12mm thick including cost of all materials, labour, lead, lift etc., complete.

Providing one coat of approved quality Acrylic distemper for old ceiling and inner walls including cost of all materials, scaffolding charges, thorough cleaning of surface, labours, lead, lift, curing, etc. complete.

Providing one coat of snowcem for the old outer walls including cost of all materials, scaffolding charges, thorough cleaning of surface, labours, lead, lift, curing, etc. complete.

Providing two coats of anticorrosive black paint to the newly plastered surface, rate including cost of all materials, labour, lead, lift, etc., complete.

M.VELLATHURAI