Tender For Civil Works - Providing Cm Study Centre In Master Plan Complex At Thiruvallur.; 1 Earth work excavation for foundationby manual means for RR/Brick and Other step type footings for Load bearing structures in all soils and sub-soils and to full depth asmay be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by thedepartmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directedbythedepartmental officers. 2 Providing cost in situ RCC 1:1 1/2:3 (One cement, one and half sand and three hard broken granite stones) for 30cm dia under reamed pile foundation including cost of labour, materials and hire charges for equipment etc. with over head charges for 3.00m depth and 3.50m including hire charges for dewatering if necessary before counting using sinle under reamed 30cm dia pile (Capacity of pile 1 & 24 tonne) for 3.00 depth etc. complete as directed by the departmental officers. 3 Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers. 4 Supplying and filling in foundation, basement, etc with Stone Dust in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers. 5 Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundationincluding dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and includingcuring etc. complete complying with standard specification and as directed by the departmental officers. -Mixing by manual means 6 Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oakjoists of size 10cm x 5cm& 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation.(Payment for centering shall be given after the concrete is laid). 7 Supplying and erecting steel centering including necessary supportsFor plane surfaces such asrectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid). 8 Providing and laying in position, standardised concrete Mix M-20 Gradeby insitu machine mix concrete adopting weighing batch method in accordance with IS 456 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 maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 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). 9 a) For Foundation and basement. 10 Ground floor 11 Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMT and all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire) 12 Brick work in Cement Mortar 1:5 (One Cement, Five M.sand) using best quality Burnt Clay Brick of size 9” x 4 1/2” x 3” withclass designation of 7.5 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar Plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond shall be done as directed by the Executive Engineer in charge. 13 Supplying and laying of Interlocking Paver Block Stone 63mm thick Over a base layer of crushed stone sandfilling incl. Cost of materials laying and Labour charges etc complete complying with the standard specification and as directed by the departmental officers. 14 Supplying and fixing of M.S.grill of approved design for grill gate, grill work to doors and windows openings ramp etc., using necessary mild steel flats for inner and outer members which should be fixed on edges including priming coat of best approved quality red oxide primer etc., complete complying with standard specification. 15 Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers. 16 Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used, hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers 17 Painting two coats of newly plastered wall surface with ready mixed plastic 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 and as directed by the departmental officers. 18 Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.) 19 Supplying, laying and jointing UPVC pipes of Class 5(having working pressure of 10 kg/sq.cm) conforming to IS 4985- 2000 of approved quality and best variety of the following dia including cutting and fixing UPVC specials using UPVC adhesives (but excluding cost of such specials) in accordance with IS 7634-3 (2003) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges upto 4 metre height above ground level, etc., complete complying with standard specifications.The PVC pipes shall be got approved by Executive Engineer before use on works - External water supply above ground level / Below ground level. 20 32 MM Dia 21 25 MM Dia 22 Supplying UPVC Specials in water supply arrangements (both in internal and external water supply arrangements 23 32mm dia Elbow 24 25mm dia Elbow 25 32mm dia Coupling 26 25mm dia Coupling 27 32mm dia Tee 28 25mm dia Tee 29 32 x 25 Reducer 30 Supplying and fixing in position first quality and approved variety of Gun metal Gate 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. 31 32mm dia 32 25mm dia 33 Supplying and Fixing of SIOEN BRAND TENSILE ROOF 750 GSM with complete fixtures. The post will be 6 dia x 6mm thickness. The Application of 1 coat of MRF Epoxy SPEP primer grey followed by 2 coats of MRF spectra Polyurethane enamel top coat matching of IS 800. with necessary GI high tensile PVC coat rope, MS Powder coated cleat will be used as fixtures etc complete complying with standard specifications as instructed by dept officers 34 Hire Charges for JCB to levelling the site including fuel, marching, etc complete as directed by the departmental officers.
