Site selection and setting out Biogas ToT Course May 10 – 15, Kampala, Uganda

Site selection Main considerations Easy construction works –Water logging –Rock Minimum construction cost Easy operation and maintenance –Feeding –Use of main gas valve –Composing and use of slurry –Checking of gas leakage –Draining condensed water from pipeline. The site should guarantee plant safety

Site requirements I Constant, high ambient temperature Even and smooth surface Slightly in elevated than the surrounding Close to: –dung collection point –water point –gas application point 2 meter away from foundations Space for plant and compost-pit Away from wells to avoid ground water pollution

Site requirements II Sufficient distance to trees Adequate distance from main trail or unsafe areas Good bearing capacity of soil Limited space: cattle shed on top of the plant after proper backfill Reasonably far from any machine producing vibration on soil

Setting out

Lay-out example Digester Outlet Inlet Slurry Pit Toilet

Reference line 30 – 50cm above ground level > 20 cm 30 cm

Thank you