{"code":"15.50.030","unit":"litre","unit_price":133,"workitem":"15. Bituminous Surface Treatment & Surface Dressing","subitem":"Tack Coat (grade bitumen cutback)","description":"Prepare surface of carriageway and bus bays, provide and spray 80\/100 penetration grade bitumen cut back using 5-15% kerosene as tack coat for asphalt concrete wearing course at a spray rate of 0.5-0.7 litre\/m2","survey_year":2011,"region_id":2,"owner":"Admin","id":242}