CLIENT: OceanaGold
MARKET: Mining
Prime contractor for the 130 acre process plant for a new 5,000 acre gold / silver mine.
SITE PREPARATION
- 11,600’ of silt fence installed
- (9) sediment basins
- Over 35 acres of permanent grassing
- 766,400 CY of excavation22,550 CY of unsuitable excavation and backfill
- 1,600 LF HDPE lined stream diversion
- 25,700 CY of low permeable soil installed
- Extensive dewatering and emergency response during 2015 historic flooding
- Deep foundation excavation and select backfill
- 6,700 Tons of base course
CIVIL
- 21,200 SF MSE wall, 400’ long X 60’ tall
- 343,000 CY of engineered backfill for MSE wall
UTILITY
- 1,460 LF of electrical duct bank
- 5,940 LF of storm drainage piping
- 21,300 LF of underground HDPE piping
- 39,600 LF of aboveground HDPE piping
- 7,800 LF of access road construction
- 124,000 SF of HDPE liner