19 Antofag asta Minerals Project: Esperanza, Chile. Scope: Conceptual design for tailings disposal, including evaluation of conventional cyclone and thickened tailings disposal (TTD). Outcome: The TTD option was recommended and pilot testing was undertaken to establish the likely beach angles, seismic properties and seepage rates from the TTD. T rade - off studies were undertaken to further evaluate the impacts and costs of dewatering to a dry product. A BFS and detail design for permit submittal to the Chilean authorities were completed. The permit was issued in 2008 and the facility is due for construction in early 20 1 0. F er rexpo P oltava GOK (P oltava Mining) Project: Y eristovskoe Mine, Ukraine. Scope: Design of two waste dumps to store large quantities of soft overburden and waste rock materials. Optimisation of storage capacity to match the geotechnical constraints and earth moving strategy . Outcome: SRK’ s work involved multidisciplinary cooperation with the mine planners, hydrologists, local institutes and potential earthmoving specialists. A risk - based approach to dump design was deemed to be appropriate and allow optimisation of the slope angles to meet local authorities’ regulations and practical considerations for storage of soft overburden waste. Ma’aden Project: Al Jalamid, Saudi Arabia. Scope: Detail design of the thickened tailings phosphate disposal facility and pit diversion structure. Outcome: The scope of services included the detailed design of earthworks and water diversion structures, construction drawings, development of technical specifications and schedules of quantities, the development of an operations manual, an operational risk assessment and statement of environmental impacts. The project is to be constructed in 2009. Anglo Platinum Project: Mogalakwena Mine, South Africa. Scope: Establishment, commissioning and operation of a pilot scale thickener and evaporation paddocks. Characterise the tailings paste material in terms of rheology and geotechnical properties and calculate water consumption of the tailings material at different slurry densities. Outcome: The pilot plant was constructed on site along with the evaporation paddocks. On - site testing included thickener optimisation and rheology testing along with evaporative drying tests. Off - site testing included determination of thickener sizing and operating parameters along with geotechnical testing. Construction of fotation tailings storage embankment at Jinfeng, China