Replacement of ACC sheet and ACC North Light curves to Galvalume sheet, provision PE based foam heat insulation sheet with reflective aluminium coating on both sides, replacement of damaged MS valley gutters and north light glass at bldgNo1802(EP sec

Cat (A) -Items to be supply and fixing

Dismantling or taking down of asbestos cement (corrugated, semicorrugated, etc.) sheets, north light curve etc in roof coverings and removing from the premises to a lead of 100mtr.

Taking down eaves or valley gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc. as per site requirment .

Hacking out old broken glass (any thickness, size, quality or description) from metal frame including punching or drilling out old glazing pins/spring clips and supply & fixing of rough cast wired glass, 6.4 mm thick and glazing with oil putty and pins/spring/clip in square (Exc 0.75 but n exc 1.00 sq m) as per site requirment .

Demolition of portion of brickwork or stone/boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc. but excluding ashlar facings, dressed stonework and precast concrete articles etc. as per site requirment .

S & F of prepainted galvalume aluminium zinc coating GI based corrugated sheet 0.5 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ridge covering/clading to wall/ fixed with self tapping screws as specified etc. as per site requirment .

S & F of prepainted galvalume aluminium zinc coating GI based corrugated north light curve (Curved length 1000 mm) of 0.5 mm thick, any colour having tensile strength of 550 Mpa in foor covering as per site requirment .

M & L for brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1: 4 ( with modular bricks) includung curing etc. as per site requirment .

M & L for cement plaster (1: 4) 15 mm thick on fair faces of brick work or concrete surfaces includung curing etc. as per site requirment .

Material & Labour for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and includingpriming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces .

Preparation of old painted iron Surfaces and applying one coat of red oxide and two coats of Aluminium paint of any description, over 10cm width or girth, not otherwise described as per site requirment .

S & F of wind ties of MS flat (35mmX5mm)for roof including securing bolts,all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165

S & F plain, galvanised, mild steel sheeting, of 2.00mm thick in valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 and welded or soldered joints are provided as required & directed .

Removing/taking out existing lightining protection system consisting of 25 mm x 6 mm G I strip on the asbestos roof top from its fixing point by unscrewing nut, bolt arrangment as required in due care of reuse and re-fixing the same, the same in repair after the replacement of existing asbestos roof by new galvatume sheet, north light curve etc as per site requirment .

S & F of PE based foam insulation sheet 8mm thick with reflective aluminium coating on both sides below galvalume sheet with self tapping screws/bullet screws on rafter as required and directed..

Cat (B) - Buy Back Items (ie minus)

Buy-Back (ie minus) The removed damaged GI Gutter with all fittings etc is to be credited to the contractor.

Buy-Back (ie minus) The removed damaged ACC sheet, north light curve etc with 'J' bolts, nuts etc. are to be credited to the contractor.