16th Avenue Phase 2 Trunk Sewer

16th Avenue Phase 2 Trunk Sewer

Description

Regional Municipality of York
Design-Build Trunk Sanitary Sewer

Equipment

3.5m ø Lovat Tunnel Boring Machine
2.85m ø Lovat Tunnel Boring Machine

Tunnel Dimensions

3200m of 3.5m ø and 3900m of 2.85m ø Tunnel

Geology

Silty Clay/Silty Sand Till/High water Table/Extensive Dewatering

Initial Support

4@13 Steel Ribs and 3" Hardwood Lagging

Final Support

3900m of 1.65m ø Cast-in-place concrete Lining and 3200m of 2.65m ø Cast-in-place concrete lining

Location

Markham, Ontario, Canada

Owner

Regional Municipality of York

Consultant

MacViro Consultants Limited

Completion Date

October 2007

Contract Value

$69,300,000.00

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