Limestone, Shale or Clay Crusher – Nigeria.
This crusher building was the second provided at this site and consists of two intake hoppers feeding the crusher housed within a concrete structure 37m x 22.2m overall on plan x 20m underground, with a 16.7m high steel enclosure housing 2 x 20 tonnes overhead gantry cranes.
The above example is just one of the 10 crusher structures designed to date.
Electrical Sub-station.
The clinker silos were post tensioned 60m diameter x 20m high chambers with a central reject silo 12m diameter x 38m high.
Clay and Shale Storage
The dome storage building is a 109m diameter x 36.5m high structural steel frame clad with profiled metal sheeting on reinforced concrete foundations with a central extraction tunnel.
This consists of three elements: a 16m by 11m concrete block which is 5m deep sitting on a vibration isolation layer to support the Raw Mill itself.