Tamil Nadu Civil Supplies Corporation Tender

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.

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 plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing etc.,

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.

Supplying Fabricating and fixing the M.S square pipe purlin of size 60x40x3mm and welded with 8mm thick M.S plate including cutting drilling holes welding and fixing of members with necessary bolts nuts anchor bolt of approved quality hoisting aligning and laying the purlin in position as per plan. The rate should include the cost of painting the members with two coats of anticorrosive metallic nutbrown colour paint over one coat of red oxide primer etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating and erecting in position of 8 Nos of tubular trusses of 9M span with 40mm dia M.S.Pipe for principal rafters and bottom tie with 25mm dia M.S pipe for all other member including cutting straightening, aligning champering ends welding and fixing with M.S.Plates 8mm thick at two sides for jointing with principal rafter bottom tie fixing the truss with 10mm base plate over anchor bolts 20mm size 450mm long and 250x150x8mm anchor plates etc., complete. The trusses will be manufactured as per drawings approved by the Corporation officers. The rate should include the cost of painting the members with two coats anti-corrosive metallic nut brown colour paint over one coat of red oxide primer etc., complete complying with standard specification and as directed by the departmental officers.

Fabrication and erection for 16 Nos Steel Stanchion 3M height made up of 2 Nos of 65mm dia M.S pipes with 12mm thick base plate 45x45cm. Size supported by 65x65x6mm angle over foundation bolts 25mm dia 4 Nos and 10m thick top plate 300mmx300mm size supported by 50x50x6mm angle with bracing of 50x6mm flat at 50cm. Centre to centre including fixing base pla5e, top plate and welding the bracings to pipes including painting two coats anti-corrosive metallic nut brown colour paint over one coat of red oxide primer 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)

PLASTERING with cement mortor 1:5 (one cement and five 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.

Supplying and filling in foundation basement with Gravel in layers of not exceeding 150mm thick well watered, rammed and consolidated including watering etc., complete complying with standard specification and as directed.

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).

PLAIN CEMENT CONCRETE 1:2:4(one cement, two sand and four aggregate)using 20mm 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.

CEMENT CONCRETE 1:3:6(one cement, three sand and six aggregate)using 20mm 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.

COLOUR WASHING two coats over one coat of white washing using best shell lime including cost of gum, Kanjee , brushes colouring pigment approved by the officer and finishing complete complying with standard specification and as directed.