| Burloak Water Purification Plant - Intake Tunnel Dean Construction Co Ltd was retained by C&M MacNally Engineering Corp for the installation of the offshore raw water intake pipeline and intermediate riser shaft for the intake tunnel. |
The marine work consisted of:Drilling a 3.5 m Ø shaft through bedrock and installation of a vertical riser to connect the intake tunnel with the lakebed intake pipeline.Drilling and blasting from a Jack-up barge a marine trench 1060m long and 4m wide x 4m deep to accomodate the installation of 1.8m Ø concrete intake pipe.Fabrication and installation of a reinforced intake structure.All in water activities were assisted by accurate global positioning systems and a Clamvision computer software specialized in marine plant positioning for underwater excavation . The work was carried out under very strict environmental controls and monitoring of water turbidity, disruption of fish habitat, in water work window, blasting impact on aquatic life, etc. Port Dover, OntarioHarbour Improvement-East Pier Repairs-Phase 2 2008 |