Sultan Sharafuddin, who is also the Chancellor of UPM, officiated the launch by signing a plaque that was brought in by a robot at Istana Alam Shah here.

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.