Construction of Mini CSC Type I at Near Sivankoil Govt Middle School in Sakkangudi Panchayat

Earth work excavation for foundation in all classes of soils and sub soil to full depth except in hard rock requiring blasting but inclusive of shoring strutting if required for the sides of foundation.

Cement Concrete 1:4:8 mix using 40 mm HBG metal for foundaion including watering wherever necessary and laid in layers of not more than 15cm thick. Compacting etc., complete complying with standard specifications and as directed by the departmental officers etc, complete.

Brick work in CM 1:5 mix using country bricks ground moulded of size 23 x 11 x 7 Cm for the following including curing etc., complete complying with standard specifications.

Supplying and Erection centering for sides and soffiots including necessaary supports and strutting as directed by the departmental officers Lintels, Staircase waist slabs, Landing slabs, Landing beam, Portico beam etc.)

Reinforcement Cement Concrete 1:1/5:3 using 20 mm ISS HBG metal for all RCC item of works excluding cost of reinforcement and fabricating charges, centering and shuttering but icluding curing and providing fixtures like fan clamps in the RCC floor or roof slabs wherever necessary and bearing surfaces of walls, sides and bottom of the slabs, beams, etc., shall be finished smooth with cement mortar 1:3, 12mm thick and with kraft paper without claiming extra as directed by the departmental officers complete complying with standard specifications.

Supplying and Fabricating and placing in position MS Steel or ribbed for steel for all reinforced cement concrete works as per the design given including cost of steel and blinding wire all floors etc., complete complying with standard specification.

Supplying and applying of two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothy with grinding machine and the surface shall be thoroughly cleaned out of dust and scrubbing. The Surface shall then be allowed to dry for atleast 48 hours. It shall then be sand papered (waterproof abrasive sheet) to give a smooth and even surface. Any unevenness shall be made good by applying 1st coat of putty mixed with water on the entire surface including filling up the undulations and applying 2nd coat of putty after 6 hours of 1st coat of putty and then sand papering (waterproof abrasive sheet) the same after it is dry and finishing the surface smoothly, etc., complete complying with standard specifications and as directed by the Departmental Officers. [ The rates are inclusive of hire charges for grinding machine with wheel, cost of sand paper (waterproof abrasive sheet), cost of putty blade, labour charges for grinding the joints and sand papering, two coat of putty, scrapping the putty area to level the surface smooth, etc., complete]. The Putty shoule be got approved by the Executive Engineer before use on work.

Plastering with CM 1:5mix to 12mm thick over the cement concrete for floor finish including curing etc., complete complying with standard specifications and as directed by the departmental officers.

Paving the floor with best quality Vertified Tiles of size 600 x 600 x 8mm of approved colour, shade and quality laid in cement mortar 1:3 (one cement and three crushed stone M.Sand) 20mm thick in all floors and the top pointed with the white cement mixed same colour pigments etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Paving the floor with pre-polished concrete anti-skid tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three crushed stone M.Sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works) Using anti-skid tiles (Observed Data)