Nairobi Foundation excavations. Eastleigh area.
Nairobi region foundation excavations generally reach stable rock at between 1.3 to 1.8m deep.
Langata.
Areas around Langata have a rock level of 1.5m deep but water logged. Same case with areas around Runda where water table is high and houses have to be built literally above swampy grounds.
Excavations here will require a water pump to pump out underground water as work is progressing.
Kikuyu/Waiyaki Way.
Areas towards Kikuyu, Waiyaki way have very deep sols with rock level at over 3 meters deep. Areas towards Mombasa road, Thika road have rock level at around 1.5meters.
Thika road. Ruiru/Juja
Areas along Thika road, Ruiru, Juja , have very shallow rock levels at around 0.5 meters deep, making it difficult to soak wastage from septic tanks hence conservancy tanks instead of septic tanks.
Above is an excavation for a high rise building going on in Eastleigh. The rock level is around 1.5meters deep which is being excavated deeper to create a basement floor.
Architect Francis Gichuhi Kamau.
info@a4architect.com
0721410684
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