This $40M contract for Coal Corporation of NZ, completed in 1993, required 11M bcm of overburden stripped over a 3 1/2 year period. The contract also included the construction of a 60m engineered earth dam to retain unconsolidated saturated clay and sand overburden. A fleet of 3 x 150 tonne capacity rigid dump trucks and … Continue reading Weavers Opencast Coal Mine, Huntly, North Island