Since 7 March30 Jun 2022 09:53
This was the detailed update - to be completed “up to 3 months fr 7 June”.
Capital cost estimate: pricing for mechanical equipment, structural steel, civil, electrical, control and instrumentation and piping bill of quantities, process plant EPCM cost estimate, site infrastructure costs, transport estimates using equipment masses and steelwork quantities are 100% complete. Update of capital cost estimate is 90% complete.
Operating cost estimate: preparation of plant labour schedules and pay rates is 90% complete. Quantities and costs of consumables, spare parts and utility requirements is 100% complete and administration costs and other overheads are 100% complete. Verification of reagent consumption and costs are 92% complete. Update of operating cost with updated labour rates, transport and laboratory costs is 92% complete.
Environmental, Social and Health: review and impact assessments of specialist studies, rehabilitation and closure liability is 100% complete. Environmental, Social and Health Impact Assessment is 98% complete.
Sustainable energy trade-off study: investigation of alternative energy sources, compilation of energy balance, design of solar PV and detailed costing and preliminary wind resource assessment is 100% complete.
Metallurgical test work: grinding test work and trade-off, plant raw water testing, solid liquid separation test work, flotation and hydrometallurgical test work is 100% complete. Water and variability test work is 80% complete, and tailings geochemical and geotechnical test work is 50% complete and expected to be completed by the end of this month.
Processing engineering: process flow diagrams, mass balances, process description, mechanical equipment list, design basis, pipe and instrumentation diagrams, process control philosophy and HAZOP 1 and 2 are 100% complete.
Mining: in-pit services, haul road design, waste rock dump design, issue of enquiries into market, mining schedule, pit optimisation and design, storm water handling and water reticulation are 100% complete.
Mechanical, civil and structural engineering: mechanical equipment data and duty sheets, general arrangement drawings, civil design criteria, structural design criteria, bill of quantities, bulk earthworks, civil and steelwork quotes are 100% complete.
Electrical engineering: electrical design criteria, electrical load list, cable schedule, installed and consumed power schedule, electrical material take-off, electrical procurement packages, motor control centres and transformer sizing are 100% complete.
Control and instrumentation engineering: control and instrumentation design criteria, instrument data sheets and schedules, control and instrumentation material take-off, instrumentation diagrams and control and instrumentation procurement packages are 100% complete.
Piping engineering: piping design criteria and calculations, piping material take-off and piping bill of quantities, schedules for line list, pip