Dear Dave
contact
They are a UK based NGO that has structural engineers working for them
A chartered engineer and environmentalist with over 30 years experience of WASH. Specialising in capacity building.
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Dear Dave
contact
They are a UK based NGO that has structural engineers working for them
have a look at
https://www.rural-water-supply.net/en/11
They have lots of resources one borehole drilling and specialist discussions
Have a look at
ABBOTT, J., LEGESSE, N.B., BASTABLE, A., EARL, E., GREEN, R., HENNAYAKE, M., ILLMAN, S., JENKINSON, R., REED, B.J., RUIZ-APILANEZ, I., SHAFFER, P., SVIDRAN, R., and SMITH, D., 2019. Surface Water Management in Humanitarian Contexts [online]. London,... (More)
The simple answer is yes.
In industrialised countries, many people will have a simple activated carbon filter to improve the taste of water. When I lived in London I always filtered drinking water. Not because it was unhealthy but because... (More)
yes - and no
Teaching critical thinking is one of those issues that if you try and capture it and turn it into a step by step process it loses its sparkle! There are some guides out there but they... (More)
HI Paul
Just to clarify, by "WATSAN in the health sector" do you mean in health settings (e.g. clinics) - which Florence Nightingale looked at in 1860, or wider impacts on health?
If the latter, then these might help a... (More)
A former student of mine looked at this a few years ago for his thesis. The simple answer then was "no", although some devices developed for sailors on yachts did meet some of the requirements. These use membrane technology but... (More)
Can I ask why you need to know?
if you are treating water, you also need to know the concentration of chlorine- which varies between products and over time.
it is preferable to test the water that needs to be... (More)
The two devices do different things - and the names describe them well.
if you have a pipeline that has a long vertical drop, the static pressure at the lower end of the pipe might be so great that the... (More)