Tamil Nadu Civil Supplies Corporation Tender

CEMENT CONCRETE 1:5:10(one cement, five sand and ten aggregate)using 40mm gauge hard broken granite stone jelly for foundation including de-watering, side shuttering , strutting, wherever necessary including curing etc., complete complying with standard specifications and as directed.

Providing and laying in position, Standardised Concrete Mix M20 Grade in accordance with IS:456-200 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/M3 and mazimum water cement ratio of 0.55, including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improvement workability without impairing strength and durability with about (5 Cu.m) 7730 Kg of 20mm machine crushed stone jelly and with about (3.3 Cum)5156 kg of 10-12mm machine crushed stone jelly and with about (4.7 Cum) 7670 kg of sand, but excluding cost of reinforcement gril and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, cutting etc., and Providing fixtures like fan clams in the RCC floor/ roof slabs wherever necessary without claiming extra etc., complete complying with standard specfication and as directed the departmental officers. The coarse and five aggregates to be used should comply with the requirements of 15 Standards. (No separate payment will be made by the Department for the excess usage of materials.

Supplying and laying of Ready mix M15 grade of concrete having characteristic strength not less than specified in the IS 456 - 2000 using Ordinary Portland cement with minimum cement content of 366 Kg / cum confirming to IS 8112. Coarse aggregate having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without fly ash as per IS 383 - 1970 (2007) with suitable water cement ratio not less than 0.45 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all location and levels with specified high workability as per IS 1199 - 1959 (2004). The initial & final setting time confirming IS 12269 - 1987 (2004) .The admixtures affecting the quality and strength of the confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing). The rate excluding cost of reinforcement and fabricating charges, but including laying, vibrating with mechanical vibrators, finishing, cutting and Placing of concrete with surface hardner finishing with power floated and power trawler to obtain the hard surface including provision of expansion joints at 6Metre intervals across the platform by Groove cutting 6mm wide with polysulphide sealant in full depth of concrete etc., The coarse and fine aggregates to be used should comply with the requirements of 15 Standards. (No separate payment will be made by the Department for the excess usage of materials)

Providing FORM WORK for centering the soffits of all reinforcement concrete work including strutting to the required (3 metre) height with mild-steel sheets of size 90cmx60cm 10 gauge stiffened with welded mild steel angles of size 25mmx25mmx3mm laid with country wood joist of average of size 10cmx6.50cm at about 90cm centres with casurina props of 13cm dia at 75cm centre to centre with all nails coir,wedges complete and removing the form work after necessary curing period as directed by the corporations officers. The rates should inclusives of cutting , bending, welding , charges of M.S sheets, M.S. angles etc., Complete Column footing, Plinth beam , top tie beam etc.,

For column and Sunshade

Supplying, fabricating and placing in position MS/RTS grills for reinforcement for all R.C.C. works including cost of steel, labour for straightening, bending, cranking, tying grills with 18 gauge galvanized binding wire and placing grills in position complete complying with standard specification and as directed.

PLASTERING with cement mortor 1:3 (one cement and three sand)12mm thick including cost of scaffolding, finishing, curing etc., complete complying with standard specification and as directed.

Painting the walls with two coats of Exterior emulsion paint of first class approved quality and 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 and as directed.

Supply and erecting and hoisting of ISMB 300x140 mm steel stanchion post including cleats to receive the purlines all cutting drilling holes welding and fixing of members with necessary bolts, nuts anchor bolt of approved quality hoisting aligning and glazing the trusses in position as per plan. The rate should include the cost painting the members with one coat of red oxide primer and zinc chromate etc., complete complying with standard specification and as directed by the departmental officers.

Supplying fabricating, hoisting and erection of ROOF TRUSSES PURLINS AND WIND BRACING with structural steel member like angle and channel iron and M.S.plates for all truss, purlin members including all cutting drilling holes, and welding and fixing of member with necessary bolts and nuts, of approved quality and hoisting, aligning and placing the trusses in position etc., complete the trusses will be manufactured as per the detailed plan. The rate should include the cost of painting with one coat of red oxide primer and zinc chromate etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and laying of High profile colour galvalume sheet (as per ISI Standard) with combination 55A1:43 4Zn:1:6SI of TCT bent type 0.47mm thick not less than 150 GSM and standard width of 1.06m with yield strength of 550 MPA made from high tensile/ CR sheets of approved quality for roofing with necessary fixing arrangements like 65m and long hexagonal head screws with EPDM rubber seal etc., complete, complying with standard specification and as directed by the departmental officer. (Test certificate for quality should be furnished on receipt of material at site)

Supply and fixing of 40x6mm G.I flat over the Galvalume sheet roofing which is placed on the top of purlin in the longitudinal direction to avoid the lifting of roofing due to wind, the rate inclusive of neccesary G.I screw, Rubber, Aluminium washer with necessary adhesive flashing tap fixed directly over the galvalume sheet, labour charges for fixing, conveyance loading, unloading and cutting, etc. complete complying with standard specification and as directed by the departmental officers.