Tamil Nadu Maritime Board Tender

Supplying, erecting steel centering using M.S. Sheet of size 90X60cm and BG 10 gauge stiffened welded with M.S. angel of size 25X25X3mm laid over silver osk/country wood joist of size 10X6.5cm spaced at about 90cm centre to centre and supported by casurinaprops of 10 to 13cm dia spaced at 75cm center to centre for all type of RCC roof slab, lintel beam, T,L,beam landing slab plinth beam, grade beam, column footing, column , sunshade, facia, sloped roof, waist slab, etc., Including necessary supports with all cross bracings filling slits and holes in the surfaces(the retrieved materials should be taken back by the contractor) and side shuttering etc., complete as directed by the Federation officers and as per standard specification.

Providing and laying in position, Standardised Concrete Mix M-30 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 cementcontent of 400 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m') 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also 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, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

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)

Plastering the surface of walls with Cement Mortar 1:3 (One cement and Three plastering sand), 20mm thick in all floors including curing etc., complete complying with standard specification and as directed by the departmental officers.

Providing and fixing MS PVC Covered steps in inner side of the sump including all materials, labours etc. Complete.

Supplying and fixing of water tight Manhole frame and cover of (Heavy Duty) of size 0.60 x 0.60m in RCC 1 : 11/2:3 with suitable reinforcement and 50 x 50 x 6mm MS angle fixed along edges and as directed by the TNMB Board Officers

Providing & fixing open UPVC SCH-80 class water pipeline of ISI mark and approved make of following diameters at all levels, including all necessary heavy duty specials and fittings of ISI mark and of approved make, fixing witharrangement viz. standard pattern holders bat clamps made out of Galvanised Steel (GI) flat carrier fixed with GI bolts in the RCC or brick masonry and GI "C" clamp fixed to secure the pipe with GI bolts / screws / washers of required shape and size so as to fit tightly on the pipes when tightened with screwed, making holes, cutting floors, making good the walls and floors etc. complete as directed - for providing and laying 65mm dia uPVC Pipeline.(BelowGroundLevel) 25mm Dia

32mm Dia

40mm Dia

50mm Dia

Supplying UPVC Specials (with working pressure 10 kg. / sq.cm.) in water supply arrangements (both in internal and external water supply arrangements) Elbow 25mm Dia

32mm Dia

40mm Dia

50mm Dia

TEE 25mm Dia

32mm Dia

40mm Dia

50mm Dia

Union 25mm Dia

32mm Dia

40mm Dia

50mm Dia

Bend 25mm Dia

32mm Dia

40mm Dia

50mm Dia

Coupler 25mm Dia

32mm Dia

40mm Dia

50mm Dia

Reducer 50mmx40mm Dia

40mmx32mm Dia

32mmx25mm Dia

25mmx20mm Dia

Reducer Elbow 50mmx40mm Dia

40mmx32mm Dia

32mmx25mm Dia

25mmx20mm Dia

Reducer Tee 50mmx40mm Dia

40mmx32mm Dia

32mmx25mm Dia

25mmx20mm Dia

Hex Nipple 50mm Dia

40mm Dia

32mm Dia

25mm Dia

Supplying and fixing in position first quality and approved variety of Gun metal Gate Valve / Wheel Valve with BIS make of the following dia including cost of shellac, thread balls, etc., complete complying with standard specifications (for both internal and external water supply arrangements). The valves to be used on work shall be got approved by the Executive Engineer before use on work. 40 mm dia

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, fixing and Erection of 3 HP Motor ISI Standard Open well Sub-mersible pump Head Range: 50-100 meters Flow Rate: Up to 300 LPM including necessary Electrical connections and Starter Switch etc. Complete.

Supplying and fixing PVC ventilating shaft of 110mm dia (having working pressure 4 kg. / sq.cm) with 3 meter height including cost of PVC cylindrical cowl of best approved quality etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing of water stopper 300mm width, 10 mm thick at every horizontal joints of the concrete wall, best approved quality etc., complete complying with standard specifications and as directed by the departmental officers.