The smell near the Alex Fraser Bridge is notoriously familiar for commuters that use the un-tolled bridge on a daily basis. The smell may be a thing of the past, according to Metro Vancouver, who plans to put $20 million into odour technology to reduce the smell on the Alex Fraser Bridge.
The expansion to the Annacis Wastewater Treatment Plant will serve an additional 250,000 residents in Metro Vancouver and the secondary treatment of their wastewater. This means the odour control system will be receiving its very own upgrade as well.
This marks the second major upgrade to the Annacis Plant since its inception in 1975. The industrial area, at the time, was not developed as it is today. To put things into perspective, the construction of the Alex Fraser Bridge was not complete until 1984. The Annacis Plant was last expanded in 1998.
Current projects related to the Annacis plant expansions total about $750 million with major clarifier maintenance or odour technology budgeted at $20 million.
Mark Ferguson, Director of Project Delivery for Metro Vancouver Liquid Waste Services, states, “We used a computer dispersion model to identify the key contributors of odour to the bridge deck. This information was used to optimize the odour control plan. Odorous air will be captured at the plant and treated chemically and biologically before release to the atmosphere, significantly reducing the odour impact to the bridge deck.”
Although odour reduction initiatives are not required on the provincial or federal level, Metro Vancouver is investing in new odour reduction initiatives for all facilities. Additional odour facilities in the Annacis Plant are targeted for completion by 2018. Soon enough, commuters along the Alex Fraser Bridge can breathe easy.
Image via Flickr/arbron