BF 6565 - Hwy 21 Over Kneehills Creek Bank Protection
       
     
       
     
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BF 6565 - Hwy 21 Over Kneehills Creek Bank Protection
       
     
BF 6565 - Hwy 21 Over Kneehills Creek Bank Protection

Client: Alberta Transportation

Consultant: Bow Valley Bridge Services Ltd.

Start Date: July 2020

Completion Date: October 2020

Project Scope:

  • Traffic accommodation

  • Instream creek isolation, fish capture and release, TSS testing and QAES support

  • Remove and dispose of existing concrete slope protection (protecting the abutments head slope)

  • Remove, dispose, supply and install a 1200 mm CSP drainage culvert

  • Import, load, haul and place embankment fill in soured areas

  • Supply and install ~1300 m³ class 2 heavy rock riprap including non-woven geotextile

  • Construct a concrete/riprap drain trough from the existing roadway

  • Core holes in the existing bridge approach slab, pressure grout subsurface voids and remove and replace asphalt concrete pavement

  • Supply and install various erosion and sediment control measures and re-vegetate site

       
     
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