Special repairs to leaky roof, flooring and painting in four class rooms in Government Higher Secondary School at Vazhapandal in Ranipet District.

Dismantling, clearing away and carefully stacking materials and useful for re-use for any thickness for Pressed tiles and Weathering course etc., and as directed by the Departmental Officers.

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no crushed stone sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers.

Finishing the top of roof with one course of machine pressed tiles of 230mm x 230mm x 16mm to 18mm size of approved quality set in Cement Mortar 1:3 (One Cement and Three Crushed stone Sand) 12mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete complying with standard specification and as directed by the departmental officers.

Paving pre-polished concrete anti-skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in accordance with IS 1443 in Cement Mortar 1:3 (One Cement and Three crushed stone sand), with required Cement Slurry and Mortar Plasticizer, 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)

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used, hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

Renewing and fixing in position of steel sheeted windows ( Three Leaves) with the following specifications. Outer frames of windows made of 'Z' section F7D of size 33 x 25 x 3mm at 1.419 kg/ m and mullion 'J' section (F4B) of size 46x25x3mm at 2.28kg/m and shutter section of made of F7D of 33x25x3mm at 1.419 kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. The panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. Horizontal stiffeners using 18x5mm MS Flat at 0.70kg/m at 3 Nos. for each shutter and additional diagonal stiffners of the same MS flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the CR Sheets in position firmly 2 numbers of Steel Offset Pivot hinges of size 3" and one number of handle-cum-latch of special type made with 18x5mm MS flats are revetted to the shutters at an appropriate height in window. suitable opening is left for its easy operation. a stopper square rod for handle is provided in the mullion section at suitable place to catch the window handle. each window shutter having an adustable stay made out of 18 x 5mm at 0.70 kg/ m MS flat of lenght 320mm with three adjustable position. A matching peg is provided in the outer frame of the window at suitable place. 4 Nos. of hold fasts of 200mm length spliced at the ends are welded to the outer frame of the window by using MS flat of 18x5mm at 0.70kg/m, welded to the shutter at two place equivalent from each from top and bottom of the shutter. An MS square bar of 12mm size is welded to the inner face of the window at an equal interval not exceeding 100mm edge between them. All members are painted with one coat of anti-corrosive red oxide primer as directed by the departmental officers.All sections should be in confirmed with IS 7452/1990.The cost includes cost of all materials, labour charges and other incidental charges, etc., complete complying with standard specification and as directed by the departmental officers.

Paving the floor with best quality Double Charged vitrified Tiles of 600 x 600 x 8mm size and variety conforming IS 15622 with water absorbtion less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout 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)

Renewing and fixing in position steel balustrades using 20mm square rods spaced at 150mm centre to centre so that the two balustrades in each step shall be placed centrally and the top of balustrades connected with the hand rails (cost of hand rail shall be measured and paid separately) by means of MS flats of size 40mm x 6mm in the groove 40mm x 6mm provided at the bottom of hand rail; the bottom of balustrades shall be fixed on to the top of step concrete. An additional MS flat of size 50mm x 6mm shall be provided at the centre of balustrades connecting all square rods to the entire length including cost of square rods, flat and applying one coat of red oxide primer to the iron surfaces, etc., complete complying with standard specification and as directed by the departmental officers.

Renewing and fixing 40mm dia GI pipe for staircase hand rail including labour charges for cutting, welding and fixing with MS flats (excluding cost of flat), etc., as directed by the departmental officers.

Painting Old Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over the existing wall in all floors etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)