Project: Lagoon Siphon
Client: Rio Tinto
General Contractor: Viking Construction
Date: April 2019 to present
Contract: Lump Sum / Time & Materials
Value: $1,000,000 to 4,999,999
Scope: Clearing, grubbing and leveling for site access, and base and receiving pit preparation, including: relocate pump and hydrovac, and excavation to expose and grade outlets and sewer line. Supply, deliver and install aggregate and geotextile where needed. Sewer diversion and pipe fusing, and supply and install new stormline. Excavate and backfill for casing installation and receiving pits. Lagoon cleaning, including grubbing, removal of concrete weir and tree stumps, and clearing limestone checkdams. Supply and install materials to recap and raise dyke. Support pipe ramming crew.