ISITI-UNIMAS Engage initiated a sustainable development model in Long Lamai from 11 to 13 October 2017 under a NBOS project funded by University Community Transformation Centre, “Program Penambahbaikan Bekalan Air dan Sistem Sanitasi untuk Masyarakat Penan di Long Lamai”, with the assistance by the PALAPES UNIMAS team of 40 personnel headed by Major Razali Abdul Manan. This project, spearheaded by Ir Dr Leonard Lim Lik Pueh and Dr John Phoa Chui Leong, is about the development of an integrated system consisting rainwater harvesting system, dry composting toilet and biochar reactor to enable the sustainable water resource and waste management by the Penan community in Long Lamai. The material used in this project was considered based on the material available in the vicinity of the village, where possible.

The water resource management encompasses the use of rainwater harvesting system, designed by Dr Charles Bong Hin Joo, to increase the volume of water collected in the water tank, especially during the wet season, as well as intervention on the management of water supply for their daily use. This system utilizes about 60% of the total roof area to the water tank, compared to the previous 10%, corresponding to an increase of ...