heard from somewhere that the problem arised after handing back to IWK. Not too sure bout what actually is going on but it seems this vacuum sewerage systems is practiced overseas commonly... in malaysia x jadi...

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He said the consultant wanted Indah Water Konsortium Sdn Bhd (IWK) to ensure all regulations were strictly complied with.

“Its finding also revealed that non-compliance to maintenance regulations and defect on the building of the system was the cause of the malfunction in the existing system.

“SPAN must ensure that the operator will strictly follow the maintenance regulations if they choose the first option which is to repair,’’ he said, adding that SPAN had informed the various residents associations from Bandar Botanic on the options during a meeting on April 29.
Read more at http://www.thestar.com.my/metro/community/...BmJvXetaLFdS.99