Repair and maintenance works to the Ash slurry pump house of Unit 3 in stage 2 at TTPS

Amount

Providing two legged scaffolding for works up to 3m. heights, using 13 to 15 cm. dia. casuarina props, the distance between the two rows being 1.25m. and the spacing of posts being 2m. in both the rows with two horizontal posts with 0.5m. overlap on either side and braces at 2m. c/c including longitudinal & transverse middle braces to step up and providing a platform with country wood planks of 40 mm. thick & 1m. width, etc. including cost of all materials, labours, lead, lift, safety measures, etc. complete. a)For an average height of 3 mtr.

For an average height of 7 mtr.

Dismantling the spalled / distressed RCC and loose particles from the existing concrete including roughening the surface after thorough cleaning, rate including cost of all labour, lead, lift etc., complete.

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 OP/PP cement with 12 to 20mm metal including cost of all materials, labours, lead, lift, tools, curing etc. complete.

Chipping and cleaning the existing damaged plastered surface from walls rate including cost of all labour, lead, lift etc., complete.

Plastering with C.M.1:3, 10 mm thick for RCC concrete works including cost of all materials, labours, lead, lift, hacking the area, curing, etc. complete .

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

Applying one coat of white cement primer to the newly plastered surface, rate including cost of all materials, labour, lead, lift, etc., complete.

Dismantling the existing damaged floor tiles, rate including cost of all materials, labour, lead, lift, etc., complete.

Supply and fixing floor tiles of 305 x 305 x 6mm first quality design ceramic tiles of approved colours in CM 1:3, 10mm thick and pointing with white cement 0.4 Kg/Sqm including cost of tiles labour, lead, lift, etc., complete.

Providing two coats of Acrylic distemper of approved quality, brand & colour for old ceiling & inner wall surfaces including cost of all materials, scaffolding charges, thorough cleaning of surface, labours, lead, lift, curing, etc. complete.

Providing two coats 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 legged scaffolding for works upto 3m. heights, using 10 to 13 cm. dia. casuarina props, the distance between the two rows being 1.25m. and the spacing of posts being 2m. in both the rows with two horizontal posts with 0.5m. overlap on either side and braces at 2m. c/c including longitudinal & transverse middle braces to stepup and providing a platform with country wood planks of 40 mm. thick & 1m. width, etc. including cost of all materials, labours, lead, lift, safety measures, etc. complete.

Painting the old iron works with two coats of best synthetic enamel paint of industrial quality Asian Paint or equivelant of approved colour after through scrapping with sand paper rate including cost of paint, brush, labour, lead, lift, etc., complete.

Replacing the damaged Indian water closet of size 450mm white glazed earthware with 'P' trap with sand cushion and forming flooring alround the water closet using 20mm brick jelly in lime concrete and plastering with cm 1:3,20mm thick including cost of all materials, labour, lead, lift, etc., Complete.

Removal of the existing damaged urinals and supplying and fixing of new neycer (or) equivalent brand Lipped mouth porcelain flat back urinal with all accessories such as 32mm dia bell mouth PVC connection 15mm dia GI gate valve 15mm dia 'B' class GI waste water pope 15mm dia nylon connection, 15mm dia brass nipple etc., (white) rate including cost of all materials labour, lead, lift, etc., complete.

Supplying fabricating and fixing in position double leaf steel window with 2mm M.S Sheet and 8mm dia Rod 12cm c/c with wind stopper locking facilities etc., complete including cost of materials labour lead lift etc., complete.

Supplying & fixing of PVC pipe of 110mm dia. 4 kg/cm2 with necessary specials for rain water downfall pipe (water line) and finishing the groove surfaces with plastering in C.M 1:2 mix including cost of all materials, labours, lead, lift, curing, etc. complete.

A. SELVARAJ

A. MURUGAN