Laurentian University located in Sudbury Ontario, had encountered increased enrollment in recent
years and required additional student accommodations. A location within close proximity to the lecture halls and student centre was identified as most desirable to construct a new 12 storey building and parking garage.

THE PROBLEM
A geotechnical investigation revealed bedrock depths ranging from 1.0 to 22.0 metres below grade on the site. These findings posed concerns that the sand fill had the potential to wash into the voids of the blast rock fill placed beneath the sand and could compromise the surrounding foundations. As a result, micropiles that advanced through the fill and could be embedded 3 meters into the bedrock were selected to support a portion of the proposed structure.

WHY EBS WAS CHOSEN FOR THIS PROJECT
Customized Micropile Design Capabilities
Speed of design, mobilization and construction allowed the General Contractor to maintain construction schedule
Knowledge and ability to drill and grout in extreme weather conditions
Ability of installation through blast rock and embed into extremely sloped bedrock
No appreciable vibrations, low installation noise compared to traditional deep foundations.

Compression Load: 1600kN (360 kips)
Tension Load: 360kN (81 kips)
Embedment Depth into Bedrock: 3 metres
Total Number of Micropiles: 33 micropiles