Ahafo Ghana

EMPLOYER
Lycopodium

CONSULTANT
Newmont Ghana Gold Limited

YEAR COMPLETED
2006

VALUE AT COMPLETION
R54M

LOCATION
West Africa, Ghana

PROJECT TYPE
Mining

DESCRIPTION
Construction involved the following: Strip topsoil & haul to designated stockpile/soil liner and Geomembrane Areas - 287280 m3.Borrow from central borrow pit, haul, place & compact to form soil liner over main river & major tributaries - 119720 m3. Install 1.5mm HDPE liner - 423570 m2.Construct 300mm soil liner using insitu soils over general basin area / soil liner area - 554720 m2. Borrow from central borrow pit, haul, place & compact to form soil liner over basin area where insitu soils unsuitable - 70020 m3. Borrow from central borrow pit, haul, place & compact Zone C material in embankment - 53700 m3. Clear and grub vegetation from basin area and haul to designated stockpile - 143.6 ha. Construct 300mm soil liner using insitu soils over general basin area/ Geomembrane area - 220030 m3. Supply and install 160mm slotted draincoil to Leachate collection and recovery system - 13500 m. Borrow from central borrow pit, haul, place & compact Zone A material to form 300mm soil liner where insitu soils unsuitable / Geomembrane areas - 28290 m3. Excavate LCRS pipe trences and haul to designated spoil stockpile - 18000 m3. Strip topsoil & haul to designated stockpile / borrow area - 32020 m3.