Renovation of Corporation Middle School at North Pathirakaliamman Kovil Street North side block

Dismantling Pressed Tiles & Weathering Course

Dismantling RCC by manual / by using deploying machinerie in ground Floor Roof in all floors including cost and conveyance of all materilas to site and labour charges etc,

Dismantling Doors and Windows including removal of frames, hinges and fastenings

Dismantling Two Course of Flat Tiles Roof finish in cement mortar

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 ak 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).

Providing and laying in position, standardised concrete Mix M-20 Grade by 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 inspiring strength and durability with about (5 Cu.m) 7730 kg. of 20mmmachine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stonejelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcementgrill and fabricating charges, centering and shuttering and also including laying,vibrating withmechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/roof slabs wherever necessary without claiming extra, etc.,complete complying with standardspecification and as directed by the departmental officers. The coarse and fine aggregates to be usedshould comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).(FIRST FLOOR)

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.In Cement Mortar 1:5 Superstructure in Ground floor(FIRST FLOOR)

Supplying and filling in foundation and basement with Well Gravel in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

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 panelling wherever necessary and as directed by the departmental officers - Mixing by mechanical means

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