Renovation of Divisional Data Processing Centre at Chennai and Sub divisional Data Processing Centre

Amount

Dismantling of brick masonry in cement mortar wall under 3m high etc complete complying with std. Specification and as directed by the dept. officers.

Dismantling the damaged flooring and clearing the debris from the site etc., complete complying with std specification.

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders SS20A.

Refilling with excavated earth etc complete as directed by the departmental officers.

Cement Concrete 1:4:8 (One Cement, Four sand and Eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

Supplying and erecting centering for sides and soffits including supports and strutting upto 3.00 M high for plane surface such as RCC slab, rectangular beams, Tee (or) ELL beams, lintel bed block, slabs, landing slabs, beams canopy, side slab (or) square (or) round columns etc., as detailed below with all cross bracings using M.S, Sheets of size 80 cm x 60 cm and bracings using M.S. Sheets of size 25mmx25mmx 3mm for boarding laid over silver oak or country wood joints of 10cm x 6.50m spaced at about 90 cm dia spaced at 75 cm c/c etc., complete complying with standard specifications as directed by engineer -in-charge of site

For plane surfaces such as RCC floor Slab, beams, lintels, bed blocks, landing slab, waist slab, portico slab and beams etc.,

For plane surfaces such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall etc.

Cement Concrete 1:1-1/2:3 (One Cement, One and a half sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works 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 and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. (In foundation and basement)

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Brick work in following Cement Mortar 1:5 using best quality II class table moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4” including curing, etc., complete complying with standard specification. (First Floor)

Renewal of Brick partition walls of 11.50cm thickness using best quality II class table moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" in Cement Mortar 1:3 (One Cement and Three Sand) using hoop iron reinforcement if found necessary including curing etc. complete and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately) (First Floor)

Plastering with CM 1:3, 20mm thick mixed with water proofing compound at 2% by weight of cement used on works in all floors complying with standard specification (SI 309)

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Plastering with Cement Mortar 1:3 (One Cement and Three Sand) 12mm thick mixed with water proofing compound conforming to BIS at 2% by weight of cement used including finishing, curing, etc., complete in all floors complying with standard specification and as directed by the departmental officers.

Painting two coats with approved cement paint over cement plastered wall surface, ceiling including cleaning preparing the surface and curing etc., complete complying with standard specification (The paint should be got approved by Executive Engineer before use on works).

Paving the floor with best quality Stain Free Nano Polish Vitrified Tiles of size 600 x 600 x 8mm of approved colour, shade and quality laid in cement mortar 1:3 (one cement and three sand) 20mm thick in all floors and the top pointed with the white cement mixed same colour pigments etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Renewal of Floor with following ceramic tiles of size 305 x 305 x 6 mm laid over 20 mm thick cement mortar 1:3 (One Cement and Three Sand) base mortar over the existing slab / floor including cutting the tiles to the required size with special cutter wherever necessary, laying in position and pointing with white cement mixed with colouring pigment at the rate of 0.3 Kg. / sq.m. etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Paving the floor with pre-polished concrete anti-skid tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 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)

Dadooing walls with following best approved quality, white / colour glazed tiles of following sizes set in Cement Mortar 1:2 (One Cement and Two sand) 10mm thick and pointing the joints with white cement mixed with colouring pigments at the rate of 0.40 Kg. / sq.m. neatly in all floors, curing, etc., complying with standard specification and as directed by the departmental officers.

Supplying and laying the following PVC pipes with necessary specials Elbows, Tee, Reducer, Plug, Union, Bend, Couple, Nipple, Gate valve ,Check and Wheel valve wherever necessary including labour below Ground level(or)fixing on walls to the proper gradient and alignment etc.all complete as directed by Dept.officers

32mm dia PVC pipe above G.L

25mm dia pvc pipe

Renewal of 110mm dia rain water down fall pipe having a working pressure of 4Kg/cm2 including cost of necessary PVC shoe, PVC bend, C.T. gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cost of removable iron grating. The PVC pipe shall be fixed in wall with special type of clamps. Special type of "U" clamp at the centre of the pipe line shall be fixed in addition to those for more than 3.00m pipe length complying with standard specification.

Supplying and fixing in position 15mm dia brass CP screw down tap / Pillar tap (heavy duty) of approved make conforming to BIS specifications and quality including cost of shellac, thread, etc., complete complying with standard specification and including cutting and threading wherever necessary. (Taps should be got approved by the Executive Engineer before use on the works)

Supplying and fixing in position colour glazed European Water Closet of best quality and approved make with 100 mm "P" or "S" trap connecting with CI pipe of 100mm dia / PVC pipe of 110mm dia, double flapped rigid PVC black seat and seat cover with CP brass hinges including cost of white cement, cement for packing, spun yarn, teak wood plugs, brass screws, etc., including supplying and fixing 10 litres capacity PVC / 12.5 litres capacity porcelain low level flushing tank with a pair of CI brackets, etc., complete with all fittings such as 15mm brass ball valve with polythene float with brass handle, union, coupling connected by means of 40mm white PVC flush hand using Indian adopter joint including all internal fittings,such as 15mm brass connections, 15mm GM wheel valve, 15mm brass nipple (2 Nos.), 15mm nylon connection, TW plugs, screws and also giving necessary connection to the PVC pipe including cost of 600mm length of 110mm dia PVC pipe and painting the CI brackets with 2 coats of approved paint over one coat of red oxide primer, dismantling the masonry and re-doing the dismantled masonry to original condition etc. complete complying with standard specifications. (The EWC and flushing tank with all accessories should be got approved by the Executive Engineer before use on works)

Supplying and fixing in position best quality and approved make Indian made colour glazed earthenware wash hand basin of size 550 x 400mm (with pedestal ) with a pair of cast iron brackets, including cost 15mm dia brass CP pillar tap, 32mm dia "B" class GI waste pipe with rubber plug and chain, 15mm dia GM wheel valve, 15mm brass nipple, 15mm dia nylone connection, 32mm dia CP brass waste coupling including fixing of wash basin using CI brackets on to the wall in position with TW plugs and screws, rubber washers, white lead and giving necessary water supply connection and painting the brackets with two coat of painting over a priming coat of anti-corrosive paint including testing for leakages etc., complete complying with standard specification and as directed by the departmental officers. (The wash hand basin and specials should be got approved by the Executive Engineer before use on works).

Supplying, fabricating, erecting and fixing Hilux (or)Equivalent board false ceiling upto a ceiling height of 4.5m from floor level using Hilux board plain sheet(10mm tk) etc., all complete and as directed by the dept.officers.

Supplying and fixing of CI manhole cover size 0.6*0.6m etc. complete as directed by the departmental officers

A K R Agency

BHARATHI