6TH SFC - School Improvement Grant - Providing Toilet Retrofitting and Water supply Arrangements in Anganvadi Building at Kumarapuram

Amount

Earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per SS20B and as directed by departmental Engineers(TNBP No.17,23,24).

Plain Cement Concrete 1:4:8 mix (One Part of Cement, Four part of Fine Aggregate and Eight part of Coarse Aggregate) Using 40mm ISS HBG metal for foundation and basement including dewatering if found necessary and laid in layer of not more than 15cm thick and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental Engineers(TNBP No.28).

Supplying and erecting centering for sides and soffits including supports and strutting uptp 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90cmx60cm and 10 gauge stiffened, welded with mild steel angles of size 25mmx25x3mm for boarding laid over silver oak (country wood) joist of size 10cmx6.5cm dia spaced about 90cm centre to centre and supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre tocentre etc.complete complying with standard specification and as directed by the departmental engineers. TNBP No.30 For Beam, Lintel Roof Slab

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but 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 cost etc., complete complying with standard specification and as directed by the departmental officers -

Supplying, fabricating and placing in position mild steel or TMT rods for all reinforced cement concrete works as per design given including cost of steel and binding wire with all conveyance and lead charges in all floors etc.complete complying with standard specifications and as directed by the deparmental engineers. TNBP No:30

Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using II class ground moulded bricks of size 9" X 43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification.

Plastering with CM 1:5 (One part of cement & five parts of sand) mix for 12mm thick including cost and conveyance of all materials to work site and including all labour charges for mixing, laying, curing,finishing etc., complete as per standard specifications and as directed by departmental Engineers – TNBP No:56&57

Daddoing with first quality colour glazed tiles of 150 mm x 150 mm x 6mm size of approved make and quality and colour set in Cement Mortar 1:2 (One Cement and Two Sand) and pointing with white cement neatly including cost and conveyance of all materials etc.and all lobour charges etc.complete as per Standard specification and as directed by the departmental officers.TNBP No:special

Laying with first quality design ceramic tiles of all colours new ceramic tiles 305 x 305x 6mm tk for flooring and set in Cement Mortar 1:3 (one part of cement & three parts of sand)20mm thick and pointed with white cement including adding with suitable colouring pigments of match with the colour of tiles used and curing etc., complete.including cost and conveyance of all materials etc.and all labour charges etc.complete as per Standard specification and as directed by the departmental officers. TNBP No.special

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 high insulation properties withuterframe 60mm x 55mm with an outer wall thickness of 2.4mm. The window unit should be designed with allcorner joints mitred and fusion welded. Windowsshould be steel reinforced with 25 x 24 x 25mm steelreinforcement with a thickness of 1mm to avedimensional stability. The sash should be of 60 x102mm. The mullion should be of 60 x 74mm. Theprofiles should have co-extruded seals.Hardware: All the hardware like friction stays, handlesshould be screwed withself tapping screws. Thehandles, locks should be designed so that they cannotbe released from outside.Glazing: The window system should be glazed with5mm plain float glass / 6mm bison lamInstallation: The profiles should be cut to length andwelded 45 degrees. The window should be designedsuch 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. and all labour charges to require size to site etc., complete..

Painting the new walls two coats over one coat of priming with best weather proof Exterior Emulsion paint of approved colour and quality including preparation of surface and finishing neatly etc., complete complying with standard specification and as directed by departmental officers Complete as per standard specification.

Supplying and fixing in position Indian water closet white glazed earthen ware of approved quality with 'P' trap or 'S' trap confirming to IS:2556 - Part XII with sand cushion and forming flooring alround the closet using 40mm broken brick jelly in lime concrete 1:2:5 ( one part of lime, two parts of sand and five parts of brick jelly) 100mm thick and finishing the top to required slope and including giving necessary connection to cast iron soil pipes/ PVC pipes by dismandling brick masonry, reinforced cement concrete roof/floor slab and making good the disturbed portion to original condition without leakage etc., complete complying with standard specifications and as directed by the departmental officers.

Supply and fixing 500 litre capacity PVC water tank including cost and conveyance charges to site etc complete. ISI make with standard specification.

SELVAM (BID ID -1378969)