RENOVATION OF OHT VADUGAPATTU

Dismandling damaged Weathering Course and Pressed tiles etc complete

Dismantling the existing Brick/Stone masonry walls in cement mortar under 3m height and cleaned away from the site including cost of all labour charges etc., complete.(Ref.:- PWD SOR 2024-2025, Annex III- Rates of works - Unique Code- W-0015 (Page-27))

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no crushed stone M.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 size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Crushed stone M.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

Earthwork exacavtion for foundation in all soil and sub soil to full depth etc.,

Cement concrete 1:4:8 mix using 40mm broken stone jelly for foundations etc.,

Cement concrete 1:2:4 mix using 20mm broken stone jelly for foundations etc.,

Brickwork using country brick size of 83/4"x41/4"x23/4" in cement mortor 1:5 mix including curing etc.,

Paving the floor with best quality Vertified Tiles of size 600 x 600 x 8mm of approved colour, shade and quality laid in cement mortar 1:3 (one cement and three crushed stone M.Sand) 20mm thick in all floors and the top pointed with the white cement mixed same colour pigments etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)