PID is a civil engineering consulting and research group based in Pietermaritzburg, South Africa.
PID was founded by David Still in April 1993. PID works mainly in the water supply and sanitation field, and in that sector its work ranges from planning, to policy, to research, to design to construction.
Understanding and addressing the exposure of workers, the public and the environment to pathogens during pit emptying
Water Research Commission Project 2134
On-site sanitation is a desirable option in many contexts and various on-site technologies have been rolled out in South Africa, as well as other countries, as a basic standard of adequate sanitation. Most on-site sanitation
systems accumulate sludge in a collection chamber which […]