Special repairs to the leaky Roof and damaged Flooring to the CRS Shop at Mogappair Area in Chennai North Region

CIVIL WORK

Dismantling and clearing away and carefully stacking materials useful for re-use floor finish and dadooing walls in cement mortar with mosaic tiles, glazed tiles and cuddapah slab as directed by the departmental officers.

Earth work excavation for foundation in all classes of soils and sub-soils and to full depth as may be directed except in hard rock requiring blasting including initial leads and lifts and refilling the sides of foundation with excavated earth in 150 mm layers well watered, rammed and consolidated including depositing surplus earth within the godown or inside compound in places shown with initial lead of 10 mts and initial lift of 2 mts. Clearing, leveling the site, shoring, strutting, bailing of water wherever necessary etc., complete complying with standard specification and as directed.

CEMENT CONCRETE 1:5:10(one cement, five sand and ten aggregate)using 40mm gauge hard broken granite stone jelly for foundation including mixing by mechanical means de-watering side shuttering , strutting, wherever necessary including curing etc., complete complying with standard specifications and as directed.

Providing FORM WORK for centering the soffits of all reinforcement concrete work including strutting to the required (3 metre) height with mild steel sheets of size 90cm x60cm 10gauge stiffened with welded mild steel angles of size 25mm x 25mm x 3mm laid with country wood joist of average of size 10cm x 6.50cm at about 90cm centers with casuarinas props of 13cm dia at 75cm centre to centre with all nails coir, wedges complete and removing the form work after necessary curing period as directed by the corporation officers. The rates should inclusive of cutting, bending, welding charges of M.S.sheets; M.S. angles etc complete complying with standard specification and as directed. Column footing, Plinth beam and Column Pedestal .

Plain Cement Concrete 1:2:4 ( one cement, two sand, four aggregate) using 40mm gauge hard broken granite stone jelly including dewatering, side shuttering, strutting, wherever necessary including curing etc., complete complying with standard specification and as directed.

BRICK WORK in cement mortor using best quality Clay bricks of size 8 3/4"x 4 ¼” x 2 ¾” for walls including cost of scaffolding curing, finishing etc., complete complying with standard specification and as directed by the departmental officers.

PLASTERING with cement mortor 1:5 (one cement and five sand) 12mm thick including mortar plasticizer at 200ml per 50 kg of cement used, cost of scaffolding, finishing, curing etc., complete complying with standard specification and as directed by the departmental officers.

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no 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 approvfed pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the departmental officers.

Finishing the top of roof with one course of machine pressed tiles of size 23x23x2cm laid in cement mortar 1:3 (one of cement and two of sand)mixing with water proofing compound confirming to ISS at 2% weight of cement used and pointed with water proofing compound mixed with red oxide etc., complete complying with standard specification and as directed by the departmental officers.

Paving the floor with Fine semi polished cuddapah stone slab of 38/ 40mm thick laid over Cement Morter 1:3 (one cement and three sand) 20mm thick over the existing bed of cement concrete 1:5:10 (one cement, five sand and ten aggregate) and pointing the joints to full depth of slabs with same mortar mixed with black oxide and the top surface rendered smooth, curing etc., The cuddapah stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete complying with standard specification.

Supplying and fixing in position of best approved quality of rain water down fall pipe having a pressure of 4Kg/sq.cm including cost of PVC bents, PVC shoe, cast iron gratings of required diameter and special clamps, brass screws nails etc., and fixing of cast iron gratings at junction of parapet and the junction of roof slab including finishing neatly etc., complete complying with standard specification as directed by the departmental officers.

Painting the walls with two coats of interior emulsion paint of first class approved quality and colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification and as directed.

Painting the walls with two coats of Exterior emulsion paint of first class approved quality and colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification and as directed.

Painting old iron work such as steel doors, windows, ventilators, window bars, balustrades etc., with Three coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works) etc., complete complying with standard specification and as directed.

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