School Improvement Grant Works 2022-23 2023-24

Amount

Plain Cement Concrete 1:4:8 Mix (one part of cement, four part of M.sand and eight part of aggrigate) using 40 mm size ISS HBG metal from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing. Laying and curing etc. complete. Complying with Standard Specifications as per TNDSS No. 28 V, VI (S2) V,VI (S5A) VII

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.

Special Ceiling Plastering and finishing all the RCC exposed surfaces such as RCC slabs, sunshades, conopies, staircase steps , etc., with cement mortar 1:3 (one cement three sand) mix to 10mm thick and including hacking the surfaces and providing necessary cement mortar nosing beading as per size, specification wherever necessary using the same mix as directed by the departmental officers etc., complete complying with standard specifications.

Plasteringwith cement mortar 1:5 (one cement three sand) mix to 12mm thick and including hacking the surfaces and providing necessary cement mortar nosing beading as per size, specification wherever necessary using the same mix as directed by the departmental officers etc., complete complying with standard specifications.

Paving the floor with vitirified tiles size 600 x 600 x 8mm of approved quality and colour of any size in all floors over 20mm thick cment mortar 1:3 (one cement and three sand) mix base above the existing bed concrete and pointing with same colour cement added with colouring pigments etc., complete complying with standard specification.

Manufacturing, supplying and fixing of STEEL DOORS with following specification. MS Angle of size 40 x 40 x 6 mm at 3.5 Kg/m used for outer frame and MS Angle of size 35 x 35 x 5 mm at 2.6 Kg/m for the shutter frame. Stiffeners with 32 x 6 mm at 1.5 Kg/m MS Flat is provided as the lock rail of the door and welded intact on both ends to the shutter frame. 18 GCR Sheets of best qulaity is laid as panel in the shutter frames. 18 x 5 mm at 0.70 Kg/m MS Flat is welded over the 32 x 6 mm at 1.50 Kg/m MS Flat on the rear side of the door, sand witching teh CR Sheet for rigidity. Additional stiffeners with 18 x 5 mm at 0.7 Kg/m MS Flats are provided diagonally on the rear side of the shutter. A tie bar is provided at the bottom of the outer frame to prevent twisting of the frame during transportation and fixing. All members are given one coat of red oxide primer as directed by the departmental officers. The rate includes cost of all materials, labour charges,

Manufacturing, supplying and fixing in position of STEEL SHEETED WINDOWS with the following specifications. Outer frames of Windows made of 'Z' Section F7D of size 33 x 25 x 3 mm at 1.419 Kg/m and mullion 'O' Section (F4B) of size 46 x 25 x 3 mm at 2.28 Kg/m and shutter section of made of F7D of 33 x 25 x 3 mm at 1.419 Kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600 mm to enable separate operations and easy maintenance. The panel of the shutter to be covered with 18 Gauge cold rolled sheet of superior quality and welded intact withshutter frames. Four Nos. of hold fasts of 10 mm length spllced at the ends are welded to the outer frame of the window by using MS Flat of 18 x 5 mm at 0.70 Kg/m, welded to the shutter at two place equivalent from each other from top and bottom of the shutter. The cost includes cost of all materials, labour charges and other incidental charges, etc., complete.

Painting iron works for doors, windows and ventilators, iron bars, weldmesh, wiremesh screen, steel bars , flats and other similar works etc., with Two coats of approved first quality of synthetic enamel paint over the existing red oxide primer in all floors it inclusive of cost of materials and labour, brushes and scaffolding etc., complete complying with standard specifications

Emulsion paint two coats using best approved colour and quality cement paint in all floors including cost of lime and other materials, brushes, scafolding charges etc., complete complying with standard specifications and as directed by departmental officers.

Weathering course concrete with broken brick jelly of 20 mm gauge in pure slacked lime ( no sand to be added) over roof slab the proportion of brick jelly to lime being 32 to 12.5 by volume and laid over In a single layer and consolidated require designed and finished thickness by beating the concrete with wooden beaters of approved pattern , keeping the surface constantly welded springing lime jiggery water asper standard specification and as directed by the departmental officers.

Finishing the top of roof with one course of machine pressed tiles of size 20 x 20 x 2 cm laid in cement mortar ( One of cement and three of sand ) mixing with water proofing compound conferment ISS at 2% weight of cement used and pointed with same waterproofing compound mixed with red oxide etc., complete with standard specification