Ng said the SAP, which is one of several high-impact projects in the First Selangor Plan, aims to provide an environment conducive to research, development and innovation.

However, Anwar acknowledged that changes can at times be a point of contention.

He said the project on a 12-hectare land will receive garbage collection from six local authorities and the technology used will successfully reduce land use by up to 80 per cent besides helping environmental conservation and opening up economic opportunities.

Majlis Perbandaran Kuala Langat dalam satu kenyataan memaklumkan tempoh penutupan masuk bagi kenderaan awam adalah selama dua bulan.

"Siasatan tidak menemui bukti kukuh menunjukkan aktiviti antropogenik sebagai satu daripada faktor penyumbang kepada kejadian tanah runtuh ini," kata Ahmad Zahid.