Repair of Main Vaults in Tidal Zone - Vancouver Convention Center
Tidal Zone Challenges and Innovative Repair Solutions
Excessive amount of spalling and visible loss of structural integrity due to failed waterproofing membrane above or non-existent membrane.
Excessive amount of spalling and visible loss of structural integrity due to failed waterproofing membrane above or non-existent membrane.
Typical Wall Edge Fail at Joint Matches
Blown Concrete Section
Close Up – steel already rusting due to salt water attack from being in the tidal zone – the vaults are underwater twice a day
Repairs Underway. This shot shows the conditions at Low Tide
Typical Polymer Concrete Repair Being Effected Joint above has a Cap Epoxy still installed (note the ports) from a Seapoxy Injection of Material Supplied by Canadian Construction Products: www.ccpcanada.com
Damaged Concrete Being Prepared for Treatment
Post Tensioning Duct Tubes Can be Clearly Shown in this Picture as well as the extent of the Damage.
Extent of Damage Requiring Repair
Oh Oh - Tides Coming in Again!
Night Work Repair Conditions Working from Boats Immediately after Tide Gets Low Enough to Start Work from Below
Seapoxy Injection Work at Night From Dories
Another Repair Underway only
Thirty Left to Go!
Picture taken of East Building from job site early morning at repair completion. Repair work was done in two weeks. The vault was then post tensioned without further damage all the repairs held under post tensioning loads.
West Building Where Repairs Were Performed.
Without Roaron Construction the Vancouver Convention Center would have been delayed eighteen months at a cost of millions of dollars in delays, lost revenue and prestige.