Construction of Additional School building ( 2 Class Room) at Nesavallar Colony Municipal middle School in ward.no 5 Tiruchengode Municipality.

Amount

Earth work excavation in all soils and sub soils to full depth as may be directed by the departmental officers except in hard rock requiring blasting but inclusive of shoring, strutting and balling out water wherever nessasary and depositing the earth within initial lead of 10 metre and initial lift of 2 metre etc., complete as per Standard specifications SS.

Supplying and filling with river sand in layers of not more than 15cm thick well rammed watered and compacted including cost and conveyance of sand and filling charges etc complete as per standard specification

Plain cement concrete 1:4:8 ( One cement four sand and eight broken granite metal ) using 40 mm ISS size HBG metal including cost and conveyance of all materials to working site, laying concrete, compacting, curing, dewatering if necessary and finishing neatly etc. complete complying with standard specification.

Supplying and Erecting Steel Centering for sides and soffits including supports and strutting upto 3.29 m height for plane surfaces such as RCC Slabs, Lintels, Bed blocks, canopy etc., with all cross brasings using mild steel sheets of size 90cmx60cm and 10 gauge stiffened with welded MS angles of size 25mmx25mmx3mm for boarding laid over silver oak (CW) joists of size 10cmx6.5 cm spaced at about 90cm c/c and supported by causrina props of 10cm to 13cm dia spaced at 75cm c/c etc., complete complying with SS and as Directed.

Without strutting

Column

Beam and 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 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 - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS staandards. (No separate payment will be made by the Department for the excess usage of materials)

Below G.L.

Above G.L.

Supplying fabricating and placing in position of mild steel or ribbed tar steel for reinforced cement concrete works including cost of steel binding wire all labour charges for cutting fabrication and placing of rods and other incidental charges etc., complete as per standard specification.

Brick work in cement mortar 1:5 (one cement and five sand) using second class chamber bricks of standerd size 22cm x 11 cm x 7 cm including cost and conveyance of all materials to site and labour charges etc complete as per Standard specification.

Below Basement

Above Basement

Plastering with cement mortar 1: 3 mix (One cement and three sand) 10 mm thick including cost and conveyance of all materials, finishing, curing, and all labour charges etc. complete as per Standard specification.

Plastering with cement mortar 1: 5 mix (One cement and five sand) 12 mm thick including cost and conveyance of all materials, finishing, curing, and all labour charges etc. complete as per Standard specification.

Flooring finishing with vertified tiles of size 60cmx60cmx6mm laid in cement mortar 1:3 mix to 20mm thick and painting with white cement using 0.40kg/1m2 including finishing, jointing and painting flush with tiles surface etc., complete.

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being '32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.-10 cum

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One Cement add three sand) 12 mm 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

Painting two coats with ready mixed plastic emulsion of first class quality paint and of approved colour over a priming coat including thorough scrapping clean removel of dirt, including cost of all materials and all labour charge etc complete as per standard specification.

Towards the charges for Stainless Steel (Salem Stainless Steel) Door Frame (Box Section using Stainless Steel Plate of 1mm thick) of size 100mm x 60mm with a rebate of 30 / 35mm x 15mm on one side of the frame including supplying and fixing dovetail splayed end stainless steel Hold fast etc

Towards the Charges for FRP Door Sutter with FRP Door Frames made out of FRP Sheets of 3mm thick of over all size 65mm x 50mm with rebate suitably reinforced using MS Angle /Flats, cost of holdfasts and Solid Core FRP Shutter Panel of 5mm thick and hollow core frames of 3m wall thickness for styles and rails etc., of sizes specified byEngineers

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 frame 60mm x 55mm with an outer wall thickness of2.4mm. The window unit should be designed with all corner joints mitred 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. Thehandles, 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 lamInstallation: 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.

Wiring with 2 x 1.5 sq.mm (22/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories and with TW switch box and 5A F.T.switch with painting of suitable colour for open PVC light point / fan point (For electronic regulator) (5 Points per coil). (SD-18)

Wiring with 2 x 1.5sqmm (22/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with 150 x 100 x 113mm TW switch box for 5 A 3 pin non inter locking CS plug with painting of suitable colour with continuous earth wire connection of 15 SWG TC wire for open PVC plug point. (SD-37)

Wiring with 2x4 sqmm (56/0.3) PVC insulated SC unsheathed Cu.Conductor cable of 1100V grade in suitable pipe on wall and ceiling with PVC accessories with 150mm x 100mm x 63mm TW switch box for 15 A 3 pin non inter locking CS plug with painting of suitable colour, with continuous earth wire connection of 14 SWG TC wire for open PVC power plug point. (SD-41)

Supply and fixing of 1200mm (48") AC ceiling fan complete with stepped electronic 300w regulator with 11 meter down rod on the existing clamp.

Supply and fixing of 20 W LED tube light fitting with ISI Mark with all accessoreis including cost of an LED light with accessories and fitting charges etc., complete.

Providing & fixing PVC RAIN WATER DOWNFALL PIPE of the following dia with necessary T.W.Clamps Plugs, Shoes,Bemds, other clamps, screws nails etc.,complete complying with standard specification. The rate is inclusive of cost of removable iron gratings of appropriate size. The size of Teak Wood plugs used is 150X25mm in front & 200x75mm in rear (wall side) with a depth of 110mm. The pipe is to be fixed by means of "U" clamps at the centre of pipes to be fixed.110mm dia PVC Pipe [4 Kg/SqCm]

Supply and fixing of 30 W LED street light fitting with ISI Mark with all accessoreis including cost of an LED light with accessories and fitting charges etc., complete.

Painting two coats over new iron work with ready mixed paint of approved quality and colour including cost of all materials and labour charges etc complete as per SS.

Supply and run of 2 of 1.5 sq.mm (22/0.3) pvc insulated sc unsheathed cu.conductor of 1100V grade on 7/20 GI bearer wire for service connection mains

Supply and fixing of M.S. iron grill gate of required size and designapproved by the departmental officers including cost of materialsand labour charges including one coat of primer of red oxide etc.,complete as per standard specification

Supply and run of 2 of 1.5 sq.mm (22/0.3) pvc insulated sc unsheathed cu.conductor of 1100V grade in 25MM dia GI pipe( class'B') suitabley bend at both ends with necessary angle iron up right and end supports for mains.

DURAI CONTRACTOR

R. DHANAPAL, CONTRACTOR