Pengurusan Aset Air Bhd (PAAB) has narrowed down the list of companies that can bid to build a RM2bil Water Treatment Plant in Hulu Langat from 30 to 12.  This involves 1,130 mld in capacity for the first phase, with a total 1,890 mld in capacity when the second phase is commissioned. PAAB probably will call for a tender in May or June 2010. 12 Contractors short-listed for