Construction of additional class room and improvement works at Corporation elementary school Kandhasamy Nagar in Ward no.04,North zone

Amount

Earth work excavation in all soils with initial lead & lift etc. complete as per direction of departmental officers etc. completed.

Filling with pallam sand including watering and consolidation complete as per direction of departmental officers etc.

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Supply and erecting shuttering including necessary supports for plane surfaces such as RCC column, footing,plinth beam, stair case etc., in all floors using mild steel sheets of 90cm X 60cm and 10 gauge stiffened with welded mild steel angle for boarding supported by casurina props at suitable intervals etc., completed complying with standard specification and as directed.

Providing centering using M.S.Sheet sides and soffits for R.C.C column raising including all cost and conveyance etc complete

Centering with MS sheet sides and supports for Lintel including all cost etc complete

Centering with MS sheet sides and supports for R.C.C Roof beams and slabs including all cost etc complete

Reinforced Cement concrete 1:1.5 :3 (one cement, one and half sand & three course aggregate) using 20mm gauge hand broken/ and broken granite stone for all RCC items of works excluding centering shuttering and cost of reinforcement but including curing etc.,complete and also including fixing fan clamps and fixtures in rcc works wherever necessary as directed by departmental officer etc., complete.

Supply and fabrication of R.T.S. rods in various dia including cutting bending placing in position and tying etc.

Brick work in cement mortar 1:5 mix (one cement five sand) using II class ground molded bricks chamber burnt bricks of size 9" X 4 1/2" X 3" for the following including curing etc., completed.

Plastering in Cement Mortar 1:5 mix 12mm thick

Plastering the exposed surface of RCC works in cement mortar 1:3 mix 10mm thick

Supply and fixing of mild steel door and window using all round "L" angle 25 X 25 X 6mm thick,cross bracing 20 X 6mm M.S.Flat with necessary locking arrangements including cost and conveyance etc.,

Painting with enamel paint two coats over a base coat using good quality approved colour paint including all cost etc complete.

Painting new iron work for doors, windows, grills, weld mesh sceens etc., two coats over one coat of primer using good quality approved colour paint including all cost etc complete.

UPVC Window Specification: Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with GI/1mm 125GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with Espag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown colour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window.The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. Thewindow should be got approved from the Executive Engineer before use on work (PWD SOR 2020-2021, P.No 71, SI.No 247)

Supply and Filling with well gravel layer by layer including cost of watering and consolidation etc complete.

WEATHERING COURSE CONCRETE using best quality broken brick jelly of size 20mm uniform gauge in pure slaked lime (no sand to be added) over the RCC roof slabs in the proportion of brick jelly to lime being 32:12.5 by volume and laid in a single layer and consolidated to the required designed and finished thickness by beating the concrete with wooden beaters of approved pattern keeping the surface constantly wet by sprinkling lime jiggery water as per standard specification etc., complete as directed by the departmental officers.

Paving the floor with Vitrified Floor Tiles of size 60 X 60cm of approved brand and colour Marbonite tiles in all floors base layer of cement mortar 1:3 (one cement and three sand) 20mm thick using first quality Marbonite tiles of size 60 X 60cm and point with colour cement neatly and fixed in position so as to make perfectly smooth and to alignment etc., complete complying with standard specification

Conveyance of Surplus earth from work site to City outer with average lead of 15 km

Providing Green board on walls in cm 1:3 mix 12mm thick using necessary black board ingredients etc., completed

Supply and fixing of 20W 4 Feet LED fitting with LED

Supply and fixing of 1200 mm (48") sweep AC ceiling fan complete with stepped electronic 300W regulator, with 1metre down rod with fan clamp with side plates and cross arm of size 450 mm (18") SD-110

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated unsheathed SC copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessoires with TW switch box and 5A FT switch in flush with wall with 3mm thick hylum sheet cover for making good of the concealed portion with suitable colour for PVC concealed fan point (for electronic regulator) SD 24

Supply and fixing of 5A / 15 A 3 Pin combined flush type wall socket with 15A flush type switch concealed in suitable MS Box in flush with wall and covered with 3 mm thick hylem sheet(SD 138)

4 ways 3 phase DB No. of ways incomer MCB / Isolator - 4 No. of ways incomer ELCB / RCD - 4 No.of outgoings ways - 12 PWD SOR 2021-22 Pg.no. 136 Sl.No. 16.1.a

Providing & fixing PVC RAIN WATER DOWN FALL PIPE of the following dia with necessary T.W.Clamps Plugs, Shoes, Bemds, other clamps, screws nails etc., complete complying with standard specification. The rate is inclusive of cost of removable iron gratings of appropriate size. The size of Teak Wood plugs used is 150X25mm in front & 200x75mm in rear (wall side) with a depth of 110mm. The pipe is to be fixed by means of "U" clamps at the centre of pipes to be fixed.110mm dia PVC Pipe [4 Kg/SqCm](D)

Supplying and Fixing of Stainless Steel Hand rails The rate is inclusive of the charges for cutting, bending,welding,grinding, polishing,conveyance, electrical charges, etc.complete

Dismantling damaged Plain cement concrete as per direction of departmental officers etc.

Painting with first quality emulsion paint two coats over a priming coat including through cleaning, scrapping, removal of dust and including necessary plaster of paris putty works wherever required using good quality approved colour paint including all cost etc complete.

Painting over old iron work for doors, windows, grills, weldmesh, screen etc., two coats including all cost etc complete.

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