Deepening hand dug well: Well pipe

Deepening hand dug well: Well pipe

When a well dries up in the dry season it can be made deeper with the so called Underlining method. With bricks or blocks one ring is made. A next ring is made underneath so the first ring stays in place.(does not go down like cement rings) In this way the well can be...
Wire-brick cement tank

Wire-brick cement tank

These tanks are made with wire, bricks and cement. No steel reinforcement is used.Advantages compared to ferro cement tanks20-40% cheaperSimpler in constructionProduced with local materialsSame strengthDisadvantages compared to ferro cement tanksNot yet widely...
Manual drilling: Shipo method

Manual drilling: Shipo method

An option to make manual drilled tube wells is the so called SHIPO drill.Advantages compared to hand dug wellsIs fasterCan be cheaper in soils where a well needs to be completely lined.More water guarantee in dry season since it can drill deep into the aquiferCan be...
Manual drilling: Mzuzu

Manual drilling: Mzuzu

In softer soils with water levels of 8 meter or less a tube well can also be made with a the Mzuzu drill using a Soil punch and bailer.Advantages compared to SHIPO drillingIs much cheaperLess tools and skills neededEasier to see the soil coming outDisadvantages...
Hand pumps: Rope pump

Hand pumps: Rope pump

Rope pumps have a wheel, a rope and washers to lift the water.Advantages compared to Afridev pumps3 to 5 times cheaperSimpler in constructionEasier to install and repairLocal production so low cost spares are availableFit for small communitiesCan be an option where...