Greywater Treatment by Ecological Sanitation (ECOSAN)
This comprises of a grey water piping collection system, oil and grease tank, biofilter and a constructed wetland.

Biogas Blackwater Treatment System for a Boarding School
Design, construction and installation of a biogas treatment system.

Biological Indicators for Sarawak River
Monitoring of abundance and studying the movement of fish, prawns, shrimps and benthic macroinvertebrates as possible biological indicators of river pollution.

Web Based Online Archiving System
Archives digital document such as work orders, permits, reports and As-Built Drawings.