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Joined KP: 08.11.2014
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Aug. 22, 2018, 11:44 a.m.

Hi. I assume that the 3 pools are more settling than filtering ponds. I would suggest that the first step is to inspect these ponds and see if there are any obvious sources of Ecoli; perhaps they ...

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tags: WASH, Water, Sanitation, Health, Water_Quality, Chlorination, Watercourse_Pollution
April 29, 2019, 8:29 a.m.

Hi Lloyd. While the mix ratios are important for strength, so is the quality of the sand, aggregate and cement. Dirty sand, weak aggregate and low quality cement will all weaken a mix. The quanti...

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April 15, 2019, 8:10 a.m.

It would be interesting to hear whether you were able to find a solution. Worth remembering that any water that comes out of the septic tank will be highly polluted so if it does not soak away prop...

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tags: WASH, Sanitation, Environment, Wastewater_Treatment
April 9, 2019, 2:13 p.m.

Hi Tim, can you give a bit more detail on the water supply and sanitation system serving the 75 houses, so for instance do they have indoor water connections with flush toilets all connected to the...

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tags: WASH, Sanitation, Environment, Wastewater_Treatment
Sept. 4, 2018, 3:14 p.m.

Hi Lloyd. Most mixes in the books have twice the amount of aggregate as sand. Peter Stern in Field Engineering gives 326 kg of cement for 1m3 of 1:2:4 mix and 536 kg for 1m3 of 1:1:2 mix, so for...

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