Public Works Department Tender

Cement Concrete 1:5:10 (One Cement, Five sand and Ten 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

Plain Cement Concrete 1:2:4 (one cement, two 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.

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

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 using Fly Ash Bricks of 230 x 110 x 75mm size conforming to IS: 12894-1989 Class designation not less 50 kg./ sq.cm. average compressive strength in cement mortar 1:5 for load bearing structures for foundation and basement and for superstructure including curing, etc., complete complying with standard specifiction.

For foundation & basement

Supplying and fixing with new mild steel hollow pipes/ purlins / Hollow section M.S. Posts/ M.S. Pipes of approved quality and brand including labour charges for cutting and welding with required size an complete complying with standard specification and as directed by the departmental officers

Renewing and fixing Mild Steel Grills for windows and ventilators etc., including the cost of mild steel angles, plates, rods, cost of welding charges and one coat of priming coat etc., complete.(The design should be got approved by the departmental officers.)

Fabricating, supplying and fixing of prepainted galvanized iron sheets with the following specification, The material should be of PPGI approved design 0.47mm thick 24 gague having width 1050mm.The sheet should be G.I base pre painted hot dipped galvanized iron sheet and to be fixed with shelf tapping screws. Plastic washer.The washer and screw to be fixed by using minute power machine drilled with out damaging the sheets paint coating to be regular modified polyster coat with zinc coating of z120 GSM paint thickness the finish should be terra cotta finish like Malabar polyster manglore tiles finish optional matt finish. The sheet to be fixed with making suitable corrugated cutting the sheet in to the required size and making ornamental desifns as per the site condition and as directed by the deptl.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 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)

Manufacturing, Supplying and Fixing of Stainless Steel Hand rails for staircase using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick at required locations to a height of 900mm from finished floor level welded to 38mm dia Stainless Steel pipe post of 1.00mm thick as vertical at 900mm centre with 2 Nos. of 25mm dia intermediate horizontal stainless steel pipe of 1.60mm thick in between. The vertical pipe has to be welded to the 100 X 100 X 6mm MS base plate encased in the base concrete. The rate is inclusive of the charges for cutting, bending, welding, grinding, polishing, conveyance, electrical charges, etc. complete

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.

Painting two coats of newly plastered wall surface with Exterior emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Supplying and erecting in position of 500 liters capacity Industrial Model Reverse Osmosis Water-cum- Purifier to deliver Potable Water with World Health Organisation (WHO) Standards with following accessories. (a) MS Skid - 1 No. (b) Media 11054 No. Vessel with 20 nb Multiport Valve (with Media Pubble and Fine Sand and Activated Carbon Filling) set (c) Feed Pump 0.50 HP – 1 No. (d) Vertical Pump 2-9, 2.00 HP / Single Phase – 1 No. (e) Membrane 40 x 40 filmtech (or) equilaents / Osmonic (USA) - 1 No. and Membrane Pressure Vessel 40 x 40 -1 No. & Pressure Gauge - 2 Nos. (f) Flow Meter - 1 No. 20” Filter with Housing - 1 No., Low Pressure Switch - 1 No., Level Switch - 1 No. & Necessary CPVC Pipes and Fittings. The system shall be provide with Two Panel Control System with necessary Stainless Valves and Fittings and Float Control etc. The rate should be inclusive of all civil works, wherever necessary to install the System in position and intact.

Supplying, fixing and installation of PVC over head water tank including the rate for labour charges, conveyance charges, necessary fittings etc., complete complying with standard specification and as directed by the departmental officers.

Renewing and laying and jointing UPVC Pipe(Un-Plasticized Polyvinyl Chloride) UPVC used for commercial applications operate and designed to handle higher water pressure (schedule-80) but excluding cost of such specials and fixing in position dismantling masonry and make the same to original condition etc complete complying with standard specification and as directed by the departmental officers at site of work.

UPVC pipe line of dia 20mm

Supplying PVC Specials (with working pressure 10 kg. / sq.cm.) in water supply arrangements (both in internal and external water supply arrangements

Coupler

Elbow

Tee

Supplying and fixing the motor 1.00HP jet pump with 220 to 2880 RPM with 32mm suction and 25mm dia delivery with superior jet assemble of 32x25mm dia including DOL starter 10 to 14 Amps with ISI mark including pressure gauge and control valve, foundation bolt and nuts and labour for fixing the same in position as shown by the departmental officers.complete.

Supplying, engraving and fixing in position Black pearl stone of size 2' x 3', 20mm thick including engraving Tamil letters around the border, embalam, painting the letter around the border & filled with gold paint as per approved by the department officers, the cost including transportation charges, fixing charges including cement sand, edge chamfering etc., Complete as derected by the departmental officers.

Total in Figures