Construction of Additional Class room Building to Corporation Elementary School at Ramjinagar in Ward No56

Amount

Earth work excavation for foundation by Manual means for Isolated & Combined Footing etc in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 100 mts and clearing and levelling including dressing of sides and raming of bottoms at the site, etc., complete complying with standard specification and as directed by the departmental officers

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.

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 foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers. -Mixing by manual means

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 oak joists 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).

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular 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 rovided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

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).

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).

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 steelreinforcement 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)

For Basement level

For above Basement level

Reinforced Cement Concrete 1:1-1/2:3 (One Cement, Ome and Half crushed stone sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges, centering and shuttering but including Super Plasticiser, mixing charges for machine mix, laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers - machine mix

In Foundation and Basement

upto Ground floor height etc.complete.

upto First floor height etc.complete.

Brick work in following Cement Mortar using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class 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.

For Foundation and Basement

Superstructure in Ground floor

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.

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 stone Sand) 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

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

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.

Providing UPVC (Un-Plasticized Polyvinyl Chloride) Door: Providing and fixing casement doors fabricatedfrom un-plasticized polyvinyl chloride (uPVC) sections.Profiles: The profiles should be three chamber systemwhich provides highinsulation properties with outer frame60mm x 55mm with an outer wall thickness of 2.4mm.The window unit should be designed with all corner jointsmitred and fusion welded. Windows should be steelreinforced with 25 x 24 x 25mm steel reinforcement witha thickness of 1mm to have dimensional stability. Thesash should be of 60 x 102mm. The mullion should be of60 x 74mm. The profiles should have co-extruded seals.Hardware: All the hardware like friction stays,handles should be screwed with self tappingscrews. The handles, locks should be designedso that they cannot be released from outside.Glazing: The window system should be glazedwith 5mm plain float glass / 6mm bison lamInstallation: The profiles should be cut to length and welded45 degrees. The window should be designed such that thewater drainage does not pass through the reinforcementchamber. The window system should be fixed directly tothe plastered brick wall using self expanding nylon plugand driving ms electroplated screws into plug.

Manufacturing,supplying & fixing in position Steel windows of MS sheet 20 gauge thick with openable shutter frame and shutter frame made out of steel section confirming to IS 7452/ 1990.The outer frames of windows made of Z section (F7D) of size 25 x 20 x 3 mm confirming to IS7452/1992 mullions are made of (F4B) of section size 46x25x3mm confirming to IS7452/1990.The shutters are individual and each of them can be operated separately. Sash bars are made of 'T'section (T2) of size 25x22x3m, 2nos of sturdy hinges and one numbers of handle cum slatch of special type are fixed for with openable shutter. Suitable opening is left for its any operation. One number of adjustable stay with locking bracket of sufficient length shall be provided for each shutter 4 nos. of 40x40x3mm anngle hold fast 230mm length are welded to the outer frame at appropriate point.M.S square bars of 12mm size is welded to the inner face of the window at equal intervals not excluding 10cm spacings ,20gauge MS sheet is used for covering the shutter. Grill members are painted with one coat of primer. Also rate is inclusive of cost of all materials, labour etc.complete.

Manufacturing, supplying and fixing in position of RCC Jally of 5cm thick in cement concrete 1:2:4 using 20mm machine crushed stone jelly (excluding cost of reinforcement steel) including cost of mould, finishing, curing, lifting, fixing in position etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing Mild Steel grills for windows, ventilators etc.,complete complying with standard specifications and as directed by the departmental officers.

Paving the floor with best quality vitrified Tiles of following size and variety conforming IS 15622 with water absorbtion less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout 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)

Wiringwith2x1.5sq.mm.PVCinsulatedunsheathedFRLSSCcopperconductorof1100VgradeinsuitablePVCrigidpipeconcealedinwallandceilingwithPVCaccessoireswithTWswitchboxand5AFTswitchinflushwithwallwith3mmthickhylumsheetcoverformakinggoodoftheconcealedportionwithsuitablecolourforPVCconcealedlightpoint/fanpoint (for electronic regulator) SD-24.

Wiringwith2x1.5sq.mm.PVCinsulatedSCunsheathedFRLScopperconductorof1100VgradeinsuitablePVCrigidpipeconcealedinwallandceilingwithPVCaccessoriesinflushwithwallwith150mmx100mmx113mmTWswitchboxwith3mmthickhylemsheetcoverfor5A3pinnoninterlockingwallsocketwith5Aflushtypeswitchwithcontinuousearthwireconnectionof1.5sq.mmcopperwireandmakinggoodoftheconcealedportionwithsuitablecolourforconcealed PVC plug point ( SD-38)

Supplyandfixingof4FeetLED18WFittingwithLED18Wtube(LowerEnd)completewithTWroundblockson wall or ceiling with PVC unsheathed FRLS Copper leads from terminals to the fitting SD 440

Supplyandfixingof1200mm(48")ACceilingfancompletewithsteppedelectronic300Wregulatorwith1meterdownrod on the existing clamp SD no: 107.

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder fevicol type gum, brushes, scaffolding charges, etc., complete complying with standard specification and as directed.

Painting New Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over one coat priming coat in all floors including the cost of primer 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.)

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 neceSORy 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

Supplying , fixing and roofing with colour galvalume sheet of 0.47mm thick with all necessary accessories such as J/V bolt and nuts of suitable length with suitable bitumen washers complete complying with standard specification and as directed by the departmental officers.

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.- Mixing by manual means

NACHIYAR CONSTRUCTION (BID ID -1484697)