12 Jul 2012 - 09:33 by Local Press ReportThis is only an excerpt! Sign up for a free trial to receive CURRENT Daily Water Briefings or Weekly Water Newsletters. License Holders sign in to read the full text. sinGapore Echologics will help PUB (Singapore) to assess the condition of its water transmission mains with Echologics' acoustic pipe Condition Assessment service. SingaporeSingaporeSingaporePUBMueller Co.