Maintenance work

Dismantling the damaged floor finish and dadooing walls in cement mortar with mosaic tiles / Glazed tiles/cuddapah slab and clearing away with carefully stacking the material useful for reuse for any thickness etc., complete complying with standard specification and as directed by the Departmental officers.

Dismantling, removing and carefully stacking Doors & windows including removal of frames, hinges and fastenings etc., complete complying with standard specification and as directed by the departmental officers at site of work.

Paving the floor with pre-polished concrete anti-skid tiles (Required shape and design) of 20mm thick of approved quality and colour laid in accordance with IS 1443 over a 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 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)

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)

Paving the floor with best quality double charged vitrified Tiles of size 600 x 600 x 8mm 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)

Removing all Lossen particles in the concrete and dead mortars. Cleaning the corroded rods with metal brush and sand paper followed by application of rust removal allowing it for temp cure providing anti corrosive coating for the existing rods with zinc rich primer / Epoxy after completion of anti corrosive works based on the structural requriment providing new rods by anchoring by executing lockfits/ polyster/ vinylestser epoxy grouters. After completion of rebar works applying complete bonding agent for the old reinforcement rods/new reinforcement rods and the concrete areas. Bonding agent-Epoxy SBR, Supplying and appilication of microconcrete 20mm to 25mm in the concrete areas, Allowing two days curing period. finally, Finishing with OPC cement, river fine M-Sand, Mixing with SBR latex curing for 5days.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 20mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used curing etc. complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixng in position of steel sheeted windows ( Two 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 hingesof 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.

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

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

Painting Old wood work with Two coat of synthetic enamel ready mixed paint of approved quality and colour in all floors etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Painting old iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with Two coats of best approved first quality and colour of synthetic enamel paint in all floors etc., complete complying with standard specification and as directed by the departmental officers.(The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Collecting the scattered debries using tipper machinery from work spot and loading into the tipper lorry and conveying away the same to outside by lorry to a lead of 3km entirely with in city limit including loading and unloading charges and dumping in low places and levelling neatly etc., complete complying with standard specification and as directed by the departmental officers. (200 cft volume capacity)

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