Name of Work:- “Replacement of domes roofing at New Life Science entrance lobby” in the University of Hyderabad Campus
Sl. No.
Item Description
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1) The estimated amount is inclusive of GST.2) The Bidder should quote basic rates exclusive of GST and quote GST percentage separately. GST should be revised from time to time.
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Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:Asbestos cement sheet
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Designing, providing and fixing multiwall three or more layered polycarbonate sheet panel co-extruded Ultra Violet (UV) protective coating on extemal surface with standing seam on both the running ends, sheet shall be connected using polycarbonate connectors having grip lock double tooth locking mechanism and provided with endcap at the ends to ensure water and air tightness. The light transmission from transparent or translucent or opaque or in combination polycarbonate sheet, varies lrom 15 to 85%, shall be decided by engineer in charge as per requirement.The polycarbonate sheel shall havc Drart drop impact valuemore than 60 Joules as perlS14434 2023 and and confirm either flame retardance of Class UL-94HB/94V-0 category as per ISI4434 2023 or category V0 & HB as per ASTM E313(D1925) or shall be equal to more than 10 unit or 6 units respectively on a sample after 5000 Hours of exposure of UV//sunlight. The cross section ends of poly carbonate sheet shall be provided with self -adhesive aluminium impermeabletape at rop and aluminium ventilated tape at bottom of the sheet and covered with polycarbonate / aluminiumu-shaped protectrvc profile. TIhe poly carbonate sheet shall be held in position by using stainless steel (SS304 grade) trapezoidal cleatof I mm thick having minimum bottom width 35mm and top width 50mm or any other shape and size as per design requirement and manufacturer specrfication, cleat fixed with 2 or more stainless steel screws of 5 mm diameter with 25mm long with structural steel framework. The cleat shall be tested to withstand pull oul force equal to wind speed of 50mis as per IS 875 and design test report shall be subnrittcd to Engineer-in-charge forapproval before use. \"l\"he cost ot\"ridge and gutters ol\"pre-coated galvanized iron shcet of approved specifications and structural steel framework of shall be paid in respective item for separately.12mm thick 1000 (± 10%) wide panel with U value not more than 2.50 W/m 2K and weight not less than 2.25 kg/sqm
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