Ash Storage facilities
VIA provides following services for ash storage facilities;
- prefeasibility studies
- feasibility report
- planning report
- preliminary design
- final design
- detailed engineering design
Planning & Preliminary Studies
- Geology and geotechnical studies which involve drilling, testing, etc.
- Location, storage capacity and staging studies for embankment
- Hydrology Studies
- Hydrogeology Studies (water table modeling, acid-rock drainage, etc.)
- Seismic Risk Assessment Study
- Preliminary Stability Analysis of Tailings Dam and Storage area
- Construction Materials Studies for Embankment
- Liner and seepage collection system design
- Diversion Channels design for surface water
- Bill of quantities
- Prepare Preliminary design drawings; layouts, section views, liner systems, etc.
Detailed Engineering Design
- Stability analysis of tailings dam and storage reservoir area
- Prepare detail design of TSF (drawings layout, sections views, tailings dam and storage reservoir area excavations, embankments and calculations),
- Liners, drainage and seepage collection system detail design
- Diversion channels and calculations
- Closure-capping details
- Tailings dam environmental protection structures (wire fence)
- Tailings dam environmental Lighting project
- Access roads
- Issued for construction,
- Drawings,
- Project reports,
- All calculations,
- Construction methodology and detail bill of quantities (for construction cost, tender and bids)
- Technical specifications (for construction and liners system)
