Construction of one borehole for Maposeni Secondary School aiming at providing clean and safe water to people including 936 students 20 school staffs and 275 community around school

Narrative

Before signing a contract with the company assigned to construct the pump, PADI started to mobile school community by conducting meetings with school staff members at the time the project was starting students were in holiday. During the meeting the following issues were addressed including signing the contract which included the responsibilities of school of forming: Formation of Wells Monitoring Committees (WMC) which consists of 10 people, construction of Pump House, Formation of Water Maintenance Fund and attending one day training, then after,
PADI has contracted Handei Tanzania Company Limited to construct one Hand Pump at Maposeni Secondary School, according to the study done by the company, the geology of the area comprise of clayed sand, sticky clay, silt-sand course sand, gravels, pebble(quartzite) yellowish weathered rocks can be encountered from 18m up to 40m though this depth differs from area to area. In both areas course sand, gravels clay and weathered granitic rock are good aquifers which play a great roll in groundwater existence.
Drilling method used was Mud rotary by PAT DRILL 301ARG. The well at Maposeni Secondary School was drilled to the depth of 32m, the well was found to have insufficient water, this well was abandoned instead another well was drilled which was found to have sufficient water with yield of 1300 liters per hour, with water table ranging from 6.70- 15m below ground level.
School participation: The school authorities participated well during hand pump while the pump house construction is in progress
Water quality analysis: Handei Tanzania Company Limited collected water sample for physical and chemical analysis tests. The results was as following : site-Maposeni Secondary School, Source-sw, Ph 5.4, EC 50,T.hardness 9.0,T.Alkaline 18, Ca2+ -3.2, Mg2+ 2.4, Cl- 3.2,NH3-H 0.01,NO2- 1, Iron0.04,TDS 30.0,E.coli –Nil.
• General recommendation from this result by Lake Nyasa basin Sub Office Songea under the Ministry Of Water pH should be raised by application of lime.
• Remarks: The water is soft and acidic