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 For plane surface such as rectangular or square RCC column, 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 and fabricating, hoisting and fixing in position pipe purlins of available length of the following structural steel pipe and welded with M.S. plate 8mm thick, including cutting, drilling holes, and welding and painting with two coat of ISI Approved quality of anticorrosive metallic nut brown colour paint over one coat of steel red oxide priming coat etc., complete as directed by Corporation officers.

Supplying and fabricating, and erection in position of 8 Nos tubular truss of 9.0m span with 40mm Dia M.S. pipe for principal rafter and bottom tie and with 25mm Dia M.S.pipe for all other member including cutting, straightening, aligning, tampering ends, welding, fixing with MS plates 8mm thick at two sides for jointing with principal rafter bottom tie fixing the truss with 10mm base plate over anchor bolts 20mm x 45cm long with 250 x 150 x 8mm anchor plate etc complete. The trusses will be manufactured as per drawing enclosed. The rate should include two coats of anti-corrosive metallic nut brown colour paint over one coat of red oxide primer etc., complete as directed by Corporation officers..

Supplying and fabricating and erection of 16 Nos steel stanchion. 3m height made up of 2 Nos of 65mm dia M.S.pipes with 12mm thick, 45x45 cm.size base plate supported by 65x65x6mm angle over with foundation bolts 25mm dia 4Nos, and top plate 10mm thick 30x30 cm size supported by angle 50x50x6mm with bracing of 50x6mm flat at 50 cm centre to centre including fixing base plate, top plate and welding the brangs to pipes including painting two coats of good quality I class synthetic enamel paint over one coat of oxide primer etc. complete as directed by Corporation 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.