Pembina Hog Fuel Relocation, Sphere Foundations, and Mech Foundations
Mechanical Foundations Construction
Foundation excavation, subgrade preparation, structural backfill, firewater line excavation and backfill and from, pour and place cast in place concrete for the mechanical foundations package. All foundations either scribed to bedrock or placed on compacted structural fill. Aggressive critical path schedule to maintain foundations ahead of modular mechanical packages.
Form, pour and place of three foundations for the large propane Sphere Storage Tanks. Work included: site prep, excavation, footing construction, structural fill, and establishing finish grade and drainage profile to the site. Sphere foundations consisted of high strength 40 MPa concrete footing each bearing on bedrock complete with a grade-beam. The cumulative concrete volume for this scope was approximately 900 m3. Custom built, cast-in-place manhole vaults were constructed to consolidate multiple underground effluent and storm services installed by the previous lease-holder into a single discharge line.
Hog Fuel Relocation & Rock Excavation
Strip and Stockpile 430,000 m3 Hog Fuel and organics to bedrock; Drill, blast and process 225,000m3 of rock; railway embankment construction to subgrade with processed rock; install smooth wall and corrugated steel pipe culverts; remove existing corrugated steel pipe culvert and backfill; remove an existing catch basin, and replace with a new catch basin manhole
Pembina Pipeline Corporation
Prince Rupert, BC
August 2019, November 2019, August 2019