Repairs and Maintaince of Rangasamutharam High Elementary school in Sathyamangalam Municipality

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.-Mixing by mechanical means

Fabricating, Supplying and fixing 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 stiffeners 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-Cu.m-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 adjustable stay made out of 18 x 5mm at 0.70 kg/ m MS flat of length 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.

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

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)

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 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.)

Wiringwith2x1.5sq.mm.PVCinsulatedsinglecoreunsheathedFRLScopperconductorcableof1100VgradeinsuitableheavygaugeMSconduitpipeonwallandceilingwithMSaccessorieswith150mmx100mmx75mmMSswitchboxinflushwithwallwith3mmthickhylumsheetcoverfor5A3pinnoninterlockingflushtypeCSplugwithpaintingofsuitable colour with continuous earthwire connection of 1.5 sq.mm copper wire wire for open plug point SD 11

Wiring with 2 x1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with Module GI switch box on wall with 6A one way module switch with module front plate with Continuous earth wire connection of 1.5 sq.mm copper wire with painting of Suitable colour for Open PVC Light point / fan point (for electronic regulator) ( 4 points / Coil) Higher End SD 267

Supply and fixing of 4 Feet 18W 4 Feet LED Fitting with LED including all materials and labour charges etc..

Supplyandfixingof1200mm(48")sweepACceilingfancompletewithsteppedelectronic300Wregulatorwith1metredown rod with fan clamp with side plates and cross arm of size 450mm (18")