The eVac in Malawi
21st - 28th May 2012
How does the eVac compare to it's Gulper in Malawi? Can it be made with the limited parts available here?
A small affordable machine for emptying pit latrines. Developed in South Africa using parts that can be sourced almost anywhere.
eVac Suck & Blow Tank
28th March 2012
With a new suck and blow tank the eVac makes short work of another low flush toilet, but struggles with a rubbish clogged VIP.
eVac Test 3 + 4
The eVac manages to suck the watery waste out without difficulty, but causes a significant mess around the emptying area.
eVac Test 2
21st December 2011
After the eVac's inital success it struggled on a drier pit latrine, although the air/water lance helped.
Improving Pit Latrine Emptying
In South Africa I'm working on an improved way of emptying pit latrines. This is the why and the how.
An extract from Mark O'Riordan's report on pit latrine emptying regarding the Vacutug: a machine for emptying pit latrines.
Sucking the Sludge
2nd December 2011
The eVac's first test on a real pit latrine - and it's a great success!
Screwing the Sludge
23rd November 2011
An unsuccessful yet informative test with the pit screw auger, as it struggles to cope with the rubbish in the pit latrine
Wednesday 2nd November 2011
After struggling to find a suitable moisture trap, I end up making one from a jam jar
Hello South Africa!
4th September 2011
I've arrived in South Africa, and the work looks like it is going to be very interesting.
EWB Training Week
26th June - 3rd July 2011
The EWB pre-departure course and the Clare Farm training course in preparation for my EWB placement in South Africa.
I'm going to South Africa
Friday 24th June 2011
As of August I'll be going on an EWB placement for a year in South Africa.
I and a team from EWB Edinburgh travelled to Cambodia for the summer to learn about the water sector and see how we could help.