Tender For Construction Of 2 Class Room In Government Higher Secondary School At Kunichi; 1 Earth work excavation for foundationby Mechanical means for Isolated & Combined Footing etcin all soils and sub-soils and to full depth as may 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 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directedbythedepartmental officers.- Upto 2.40m Footing Depth.Data worked out for 48 m3 per day/8 hrs 2 Earth work open excavation by manual meansin all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification and as directedbythedepartmental officers. 3 Refillingwithexcavated earthother thansandwithan initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15cm thick well rammed with surface vibrator, watered and consolidatedetc., complete complying with standard specification and as directed by the departmental officers. 4 Supply and filling in foundation and basement with Gravel in layers of not more than 15cm.thick well rammed watered and compacted with surface vibrator, watered and consolidatedetc. complete complying with standard specification and as directedbythedepartmental officers. 5 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. 6 Cement Concrete 1:5:10 (One cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken jelly for Foundation including laying,consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panellingwherever necessary and as directed by the departmental officers -Mixing by Manualmeans 7 Cement Concrete 1:5:10 (One cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken jelly for flooring including laying,consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panellingwherever necessary and as directed by the departmental officers -Mixing by Manualmeans 8 Damp proof course as per IS 3067:1988 with Cement Mortar 1:4 (One Cement and Four crushed stone sand) 12mm thick mixed with best approved quality Integral liquid water proofing compound conforming to Indian Standard specification as specified by the departmental officers at 2% by weight of cement used , finishing and curing etc. complete complying with standard specification - Manual Mixing 9 Brick work in following Cement Mortar 1:5using best quality Burnt Clay Brick of size9 x 4 3/8 x 2 3/4 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. 10 For Foundation and Basement 11 Brick work in following Cement Mortar 1:6 using best quality Burnt Clay Brick of size9 x 4 3/8 x 2 3/4 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. 12 For Foundation and Basement 13 For Superstructure in Ground floor 14 For Superstructure in First floor 15 Brick partition walls of 11.50cm thickness using best quality Burnt Clay Brick of size 9 x 4 3/8 x 2 3/4 withclass designation of 7.5 conforming to IS 1077-1992in Cement Mortar 1:3 (One Cement and Three CS Sand) using hoop iron reinforcement if found necessary including Cost of Mortar Plasticizer, curing etc. complete complying with standard specification and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately) 16 For S.S. in Ground Floor - 11.50cm Thick 17 For S.S. in First Floor - 11.50cm Thick 18 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). 19 Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) 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 complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers.(Payment for centering shall be given after the concrete is laid). 20 Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c 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) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid). 21 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). 22 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. 23 For Foundation & Basement 24 For Superstructure Ground floor 25 For Superstructure in First floor 26 Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand 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) 27 Up to Basement 28 Above basement GF 29 Above basement FF 30 Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat includinglaying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.- Mixing by manual means 31 Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no crushed stone sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers. 32 Finishing the top of roof with one course of machine pressed tiles of following size of approved quality set in Cement Mortar 1:3 (One Cement and Three Crushed stoneSand) 12mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete complying with standard specification and as directed by the departmental officers 33 Paving the floor with best approved quality fine polished Kota stone slabs of size 600 x 600 and above 20mm thick with machine cut edges laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and threecrushed stonesand) with required Cement Slurry and Mortar Plasticizer fixing the slabs in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments and polishing with floor polisher to a high degree of finish etc., complete 34 Paving the floor with pre-polished concrete anti-skid tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers.(The make and brand of the tiles should be got approved by Executive Engineer before use on works) 35 Supplying and fixing fine polished cuddapah slab of following thickness for cup-board arrangements including laying to correct alignment with necessary cement mortar and black powder etc, complete complying with standard specification and as directed by the departmental officers (20/30mm thick) 36 supplying and fixing of unbreakable dust free easy to erase , class room writing board of size 3.60mx1.20m made of 8mm thick green colour ceramic sheet pasted on the front side 12mm thickply board andbackside of ply board is pasted with flex boardsheet . Theouterbeadingof the writing boardwill be fixed with aluminium Hi section of size 25mm.The boardwill be fixedfirmly on the wall of using 3 inch screws etccomplete 37 Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of U clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification and as directed by the departmental officers 38 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. 39 Supplying and applying of Two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothly with grinding machine and the surface shall be thoroughly cleaned out of dust and scrubbing.The surface shall then be allowed to dry for atleast 48 hours.It shall then be sand papered (waterproof abrasive sheet) to give a smooth and even surface.Any unevenness shall be made good by applying 1st coat of putty mixed with water on the entire surface including filling up the undulations and applying 2nd coat of putty after 6 hours of 1st coat of putty and then sand papering (waterproof abrasive sheet) the same after it is dry and finishing the surface smoothly, etc., complete 40 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 Sand) 10mm thick with Plasticizer including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors complying with standard specification and as directed by the departmental officers 41 Supplying and Fixing of Stainless Steel Hand rails for staircase using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick at required locations to a height of 900mm from finished floor level welded to 38mm dia Stainless Steel pipe post of 1.00mm thick as vertical at 900mm centre with 2 Nos. of 25mm dia intermediate horizontal stainless steel pipe of 1.60mm thick in between.The vertical pipe has to be welded to the 100 X 100 X 6mm MS base plate encased in the base concrete.The rate is inclusive of the charges for cutting, bending, welding, grinding, polishing, conveyance, electrical charges, etc. complete 42 Manufacturing, supplying and fixing of Steel doors with following specification.MS angle of size 40x40x6mm at 3.5 kg/m used for outer frame and MS Angle of size 35x35x5mm at 2.6 Kg/m for the shutter frame.Stiffeners with 32x6mm at 1.5 Kg/m MS Flat is provided as the lock rail of the door and welded intact on both ends etc., complete. 43 a) Double Leaves 44 Manufacturing, supplying and fixing of steel door emergency exit with the following specifications, MS Angle of size 40x40x6mm at 3.5 Kg/m are used for outer frames and MS Angle of size 35x35x5mm at 2.6 Kg/m for the shutter frames.Stiffeners with MS Flat 32x6mm at 1.50 Kg / m is provided for fixing the aldrop for the dooretc., complete (double leaves) 45 Manufacturing, Supplying and fixing in position of steel windows with the following specifications.Outer frames of windows made of Z section F7D of size 33 x 25 x 3mm at 1.419 Kg/m and mullion J section (F4B) of size 46x25 x 3mm at 2.28 kg/m and shutter section of made of F7D of 33 x 25 x 3mm at 1.419 Kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance etc..complete (Four Leaves) 46 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. 47 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. 48 Painting New iron work for doors, windows and ventilators using iron bars, window, grills weld mesh screen in open courtyard entrance gate etc., with two coats synthetic enamel paint of approved quality and colour over the existing priming coat in all floors.The rate is inclusive and scaffolding charges etc., complete complying with standard specifications. 49 Supplying and fixing the same position of best quality and approved variety of powder coated Aluminum moulding English/Tamil Letters of 30cm height of fixing the existirg G.I sheet name board including moulding,grinding and neatly finishing to all edges to letter conveyence and scaffolding charges etc, complete. 50 Supplying and fixingTamil Nadu Governmet Emblem in position of best quality special approved veriety of powder coated Aluminum moulding English/Tamil Letters of 45cm height of fixing the existirg G.I sheet name board including moulding,grinding and neatly finishing to all edges to letter conveyencecharges bolts and nuts, paste and scaffolding charges the same in position etc., complete 51 Supply and fixing of Carbon-di-Oxide Gas Type 2 kg. capacity Fire Extinguisher as per New IS15683, complete with control valve, discharge hose with horn, wall mounting bracket, safety clip etc., including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary etc., complete 52 Supplying and erecting in position of following 250 liters capacity Industrial Model Reverse Osmosis Water-cum- Purifier to deliver Potable Water with World Health Organisation (WHO) Standards with following accessories. (a) MS Skid - 1 No.(b) Media 11054 No. Vessel with 20 nb Multiport Valve (with Media Pubble and Fine Sand and Activated Carbon Filling) set (c) Feed Pump 0.50 HP – 1 No.(d) Vertical Pump 2-9, 2.00 HP / Single Phase – 1 No. (e) Membrane 40 x 40 filmtech (or) equilaents / Osmonic (USA) - 1 No. and Membrane Pressure Vessel 40 x 40 -1 No. & Pressure Gauge - 2 Nos.(f) Flow Meter - 1 No. 20” Filter with Housing - 1 No., Low Pressure Switch - 1 No., Level Switch - 1 No. & Necessary CPVC Pipes and Fittings.The system shall be provide with Two Panel Control System with necessary Stainless Valves and Fittings and Float Control etc.The rate should be inclusive of all civil works, wherever necessary to install the System in position and intact. 53 Supplying, fixing of cylindrical vertical notational polythene water storage tank of 5000 litres capacity confirming to I S. 12701 / 96. the tank is meant for outer (or) indoor, use complete withremovable hinged top locking arrangements and to make provision to fix with simply pipe lines necessary manhole with cover and including all PVC specials, plugs, screws, nails to fix the tanketc., and the tank should be fixed firmly as directed.The rate shall inclusive of all materials labour, conveyance, hoistings and fixing charges etc.,(The water tank should be got approved by the Executive Engineer before use on works by the dept., Officers. 54 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. 55 UPVC 32mm dia pipe 56 Providing Pre construction Anti termite treatment for the building including all chemicals as per standard specifications. Labour charges for preparing the areas for treatment spraying chemicals and other incidential charges etc., complete. The rate shall be inclusive ofgiving anti-termite treatment to the building for the following four stages including breaking the termite mounds making holes with crow bars at an intervel of 12to a depth of 8 in the periphery of building and pouring chemicals etc., complete
