Investigation work to identify and locate the problem association with the malfunction of the treatment plant and sewer line. Prepare Tender Document to rectify the problem and supervise the work to completion.

Design and supervision of sewer network and central sewage treatment or housing estate of 282 houses, 32 shophouses and 8 blocks of flats on an area of 30 acres. Total sewage load of 100,000 gallons one day was treated through the 'Aeroco' activitated sewage treatment plant. Ancillary works included twin submersible float controlled sewage pumping station and automatic switch on stand-by diesel generator for electrification.

Design and supervision of sewer net-work and central sewage treatment for low cost housing estate for 285 units. Sewage treatment based on Prof. Kavl Imhoff was adopted. Total capacity is approx. 80,000 gallons per day.

Design and supervision of sewerage and drainage works for housing estate of 79 units. Totals sewage capacity of 30,000 g.p.d. was treated through the 'Epco' sewage treatment plant. Ancillary works included submerged pump house and generation of electricity.