EXTENSION OF CHAJJAS/GARAGE SHED FOR CERTAIN BLDGS AT NOE AND NORA AT INS AGRANI COIMBATORE

Amount

M&L for excavating in post holes each n.exc. 0.5 Cum , getting out returning filling in and removing earth or broken rubble mixed earth round in layers n. exc. 25 cm in hard/dense soil

M&L for cement concrete type B2 1:2:4 (40 mm graded aggregate) any size or shape or thickness as in post

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15 cm deep and getting out in hard/ dense soil.

Hardcore (broken stone or boulders) of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface

M & L, 100 mm thick Cement concrete type B- 2, 1:2:4 (40mm graded aggregate)

Removing excavated material exc 1.5Km but n exc 5Km and depositing where directed

S & F mild steel section as in main and cross beams, hip and jack rafters, purlins where connected to common rafters Fe-410W (Grade E-165) complete all as specified and directed.

S&F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240

S&F Pre-painted qalvatume aluminium Zinc coating G I based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 mpa as in roof covering cladding to wall fixed with self tapping screw.

M&L for drilling holes into granite work or trap stone for volts pipes etc exceeding 60mm but n.exc 10mm dia in 10 Cm depth

M&L for preparation of new steel surfaces over 10 cm width or girth and applying two coat of synthetic enamal paint over one coat of red oxide primer

S&F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, with riveted, bolted or welded attachment of Fe 410-W (Gde-E-250) quality-A

GUNASEKARAN AND CO

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