Construction of 1.1GL clay lined lagoon under Level 1 supervision including site and compound establishment, enabling works, excavation and stockpiling, embankments and access road, Bidim A44 geofabric, filters, rip rap rockfill, interconnecting MSCL pipework, handrails, fencing and gates, Armco barriers, guide posts, survey markers, gauge boards, stilling tube and access stairs; topsoiling and hydroseeding.