Construction of Science Laboratory building at GOvernment Highe Secondary School in Pasuvanthanai village and panchayat

Construction of Science Laboratory Building at Government Higher Secondary School in pasuvanthanai Village and Panchayat

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary. Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc. complete complying with standard specification.

Supllying and Filling of Conveyed earth with lead of 1Km for Basement filling

Plain Cement Concrete 1 : 4 :8 ( one part of cement, four parts of sand and eight parts of hard broken stone ) using 40 mm gauge hand broken hard broken granite stone jelly complying with standard specifications in foundations and basement.

Brick work in CM 1:5 mix using country bricks ground moulded of size 22 x 11 x 7cm for the following including curing etc., complete complying with standard specifications.

Supplying and erecting Centering and Shuttering for soffits including necessary supports and strutting up to 3 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specification.(Payment for centering shall be given after the concrete is laid).

Below GL

Above GL

Cement concrete 1:1.5:3 using 20mm ISS HBG metal for all RCC item of works excluding cost of Rein forcement and fabricating charges, centering and shuttering but including curing and providing fixtures like fan clamps in the RCC floor or roof slabs

Steel - Fe 500 D: Supply, fabrication and placing of reinforcement steel of high yield strength ribbed bars of various diameters and grade conforming to IS 1786 for reinforced concrete work. The work includes recoiling, straightening, cutting, bending, fabricating, and placing in position, at all levels including lead and lift, according to drawings, specifications etc. complete and supply & use of 18G black annealed binding wire double fold to tie the bars in position and providing precast cement/ PVC cover blocks for main reinforcement to ensure specified cover and complete., including all labor charges etc as directed by departmental officers.

Supplying and applying of two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothy 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 complying with standard specifications and as directed by the Departmental Officers. [ The rates are inclusive of hire charges for grinding machine with wheel, cost of sand paper (waterproof abrasive sheet), cost of putty blade, labour charges for grinding the joints and sand papering, two coat of putty, scrapping the putty area to level the surface smooth, etc., complete]. The Putty shoule be got approved by the Executive Engineer before use on work.

Plastering with CM 1:5, 12mm thick.in all floors including curing etc., complete complying with standard specifications and as directed by the departmental officers.

Weathering course concrete using best quality broken brick jelly of size 20mm in pure slacked lime over the RCC roof slab in th proportion of brick jelly to lime being32:12.5 by the volume and laid over a single layer and consolidated to the required dses

Finishing the top of roof with one course of machine pressed tiles of size 20 x 20 x 2cm of approved quality laid in CM 1:3, 12mm thick. With water proofing compound confirming to IS by 2% by weight of cement used & the joint pointed neatly to full depth

Paving the floor with kota stone slab of size 600 x 600 of 18 / 20mm (un-polished) in all floors laid in of cement mortor 1:3 (one cement three M.Sand), 20mm thick and pointed with colour cement neatly including polishing with polishing stone and oxalic acid etc., so as to perfectly smooth and glossy and including hire charges for polishing machine and power consumption charges etc. The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.

Providing the following thickness of Granolithic pattern floor finish with Plain Cement concrete 1 : 2 : 4 mix using 10-12mm ISS HBG metal and the top rubed smooth etc., complete complying with standard specification as directed. i. 20mm thick for Resid

Distembering two coats using best approved Interiar oil destember with one coat primer over New plastered Surface including cost and conveyance of materials and labour charges etc complete

Painting Two Coats Approved Plastic Emultion Paint with one coat primer over New Cement Plastered surface including cost and conveyance of materials and labour charges etc complete.Schedule ItemNo.359 – B)

Black Board Paint Two Coats with Approved Cement Paint over Cement Plastered surface including cost and conveyance of materials and labour charges etc complete.

Providing UPVC (Un-Plasticized Polyvinyl Chloride) Door: Providing and fixing casement doors fabricated from un-plasticized polyvinyl chloride (uPVC) sections. Profiles: The profiles should be three chamber system which provides high insulation 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 steel reinforced with 25 x 24 x 25mm steel reinforcement with a thickness of 1mm to have dimensional stability. The sash should be of 60 x 102mm. The mullion should be of 60 x 74mm. The profiles should have co-extruded seals. Hardware: All the hardware like friction stays, handles should be screwed with self tapping screws. The handles, locks should be designed so that they cannot be released from outside. Glazing: The window system should be glazed with 5mm plain float glass / 6mm bison lam Installation: The profiles should be cut to length and welded 45 degrees. The window should be designed such that the water drainage does not pass through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding nylon plug and driving ms electroplated screws into plug.

UPVC Window Specification: Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with GI/1mm 125GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the will be provided with Espag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown colour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the Executive Engineer before use on work

Sub Estimate for Electrification

Wiring 2 x 1.5 sq.mm (22/0.30)PVC insulated unsheathed SC.cu.conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with TW switch box with in flush with wall covered with hylem sheet of 3 mm thick with painting of suitable colour for concealed PVC light/ fan point (SD No.20)

Supply&Fixing of Tube Light SD.no.88

CFL SD.no.80

Supply&Fixing of Street light SD No.94

Supply & Fixing of Fan SD.no.110

Power Plug Point SD.no.39

Service Connection SD.no.68

Supplying and fixing P.V.C rainwater down fall pipe of 100mm dia with necessary shoes, bends,& clamps etc.,

CONSTRUCTION OF CHAPPAL RACK OUTSIDE THE CLASS

Brick work in CM 1:5 mix using country bricks ground moulded of size 22 x 11 x 7cm for the following including curing etc., complete complying with standard specifications.

Plastering with CM 1:5, 12mm thick.in all floors including curing etc., complete complying with standard specifications and as directed by the departmental officers.

Painting two coats with Emulsion Paint over the one coat of Priming coat including cost and conveyance of all materials to site and all labour charges etc complete

Providing cuddapah slab 38 to 40mm for shelfs etc., all complete

Providing Cupboard for Teacher

Brickwork in c.m. 1:5 mix using country bricks ground moulded of size 23x11x7 cum including cost conveyance of all materials to site ect complete

Plastering with cement mortar 1:5 mix to 12mm thick including cost and conveyance of all materials to site and all labour charges etc

Providing cuddapah slabs 20/30mm thick including curing etc.,

Painting two coats with Emulsion Paint over the one coat of Priming coat including cost and conveyance of all materials to site and all labour charges etc complete

Providing Cupboard for Students

Brickwork in c.m. 1:5 mix using country bricks ground moulded of size 23x11x7 cum including cost conveyance of all materials to site ect complete

Plastering with cement mortar 1:5 mix to 12mm thick including cost and conveyance of all materials to site and all labour charges etc

Providing cuddapah slabs 20/30mm thick including curing etc.,

Painting two coats with Emulsion Paint over the one coat of Priming coat including cost and conveyance of all materials to site and all labour charges etc complete

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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