PROJECT SUMMARY

Location: Vancouver, British Columbia

Summary: Geotechnical, environmental and civil support for proposed 12 storey tower on Granville Street

 

 

 

Ecora was retained by a confidential property developer to provide various engineering and environmental consulting services. The proposed structure is a 12 storey tower with several levels of underground basement. The development will be mixed use commercial and residential. 

Ecora’s geotechnical team undertook a geotechnical assessment. This included geotechnical recommendations for foundation design, seismic lateral earth pressures for both yielding and non-yielding conditions, settlement, temporary shoring support (shotcrete and anchor shoring system), groundwater control, stormwater management and instrumentation/monitoring recommendations. The basement excavation will be completed adjacent to buildings over 100 years old and anchors will extend under Granville Street requiring careful consideration during design.

Ecora also conducted a Phase I Environmental Site Assessment. Review of air photos identified some early geoenvironmental risks at the site associated with its previous use as a laundromat. 

Ecora’s civil engineering team also provided design support and prepared a Rainwater Management Plan. The detention volume calculations were determined using the “simplified sizing approach” as described in the ‘Stormwater Source Control Design Guidelines 2012 ‘issued by the Greater Vancouver Sewerage and Drainage District. Reference was also made to the ‘City of Vancouver Engineering Design Manual’.

SERVICES PROVIDED

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