REPAIR AND MAINTANANCE OF OLD RCC BUILDING FOR USAGE OF DIF ABLED PERSONS CENTER AT URBAN PRIMARY HEALTH CENTRE CAMPUS IN VADALUR MUNICIPALITY

Earth work excavation for foundation in all classes of soils and sub soil to full depth except in hard rock requiring blasting but inclusive of shoring strutting if required for the sides of foundation. Footing

Supplying and filling in foundation and basement with Crushed Stone dust in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

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 char

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38 For plane surfaces such as slab,beam, etc.

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - Basement

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Brick work in CM 1:5 (one cement & five sand) using II class ground moulded bricks of size 9"X43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification.- Basement

Brick work in CM 1:5 (one cement & five sand) using II class ground moulded bricks of size 9"X43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification.- Ground floor

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Supply and installation of two-track sliding uPVC windows shall utilize uPVC profile sections with an outer wall thickness of 2.30mm (±0.2mm), featuring an outer frame of 60mm x 52mm, a shutter of 66mm x 42mm x 50mm, an interlock of 45mm x 36mm, and a glazing bead of 24.5mm x 16mm. All frame, sash, and mullion profiles shall be reinforced, where required, with a 1mm thick GI steel section, and windows are to be equipped with security devices such as touch locks or crescent locks, nylon rollers, and an aluminium track, all compliant with relevant specifications and departmental directives. Glazing shall consist of 5mm thick Plain or Pinhead glass, secured by TPE (Grey) weather-sealed gaskets, while all corners and mullion joints of the frame and sash shall be mitred cut and fusion welded without mechanical joints, with all welded joints neatly trimmed to a grooved nib finish, ensuring sharpedge- free products. The complete window units shall be fixed into pre-finished openings by drilling and fastening through the outer frame with highquality fasteners, and silicon sealant shall be applied to fill the gap between the wall and window frame for a leak-proof installation and complete finish etc., Complete and as directed by the department officers.

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Louvered Ventilators of from the profile the size of outer frame 60mm x 58mm and shutter profile size of 60 x 78mm both profiles are reinforced with GI/1mm 125GSM and 100% corrosion free, the profile are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with all over the edges of frame and shutter. The corners and joints should be welded and cleaned. Radiations pin headed glass 4mm thick should be provided in the louvers. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The ventilator should be got approved from the Executive Engineer before use on work

Plastering with cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications (S.I.309)

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

Dadooing walls with Glazed tiles of sizes 305mm X 200mm X 6mm size of approved make and quality and colour Set in cement mortar 1:2 (One part of Cement and two part of Plastering Sand (P- Sand)) over 10 mm base layer plastering and pointing with white cement neatly as directed.

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no 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 size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 12 mm 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

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

Painting two coats of new iron works such as steel doors, windows,ventilators, window bars, balustrades etc., with best approved first quality of synthetic enamel paint of approved colour over the existing priming coats, etc., complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing in position White Glazed European Water Closet of best quality and approved make with 100mm 'P' os 'S'' trap with Double flapped rigit P.V.C. seat cover with C.P. brass hinges with 12.5 litres PVC Low Level Flushing Tank with all internal fittings etc., complete complying with standard spoecifications,labor inclusive of fixing lowlevel flushing tank.