Name of Work:Providing BT patches for Pot holes and damages using Cold Asphalt at Zone No.5 in Tambaram City Municipal Corporation
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Item Description
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Supply delivery and Laying of Cold Asphault Mix Using Bitumen VG 30 content Minimum 4.50%Stability Values of Marshal stability Min 250 Kg Floe 4-7 mm Air voids 8-12, Loss of Adhession under water max 5 % , Pass on Coating test 85% of coating minimum dry 75% of coating minimum wet conditions Storage time ( expairy) boundminimum 6 Months and Contain gradation of Course aggregate (Passes50mm 100% 37.50mm 100% 20mm 100% 12.50mm 80-90% 6.3mm 15-25% 4.75mm 0-10% 2.36mm 0% ) Bounding 7.50% of Emulsion by weight of Dry aggregateand Packing contains on weather Proof including cost and conveyance of Asphault mix labour charges for cutting shapping and laying complacting etc complete
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