Byersville Creek Culvert – Culvert Replacement – City of Peterborough Resources/Hydraulic...

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D.M. WILLS ASSOCIATES LIMITED Hydraulic Analysis Project Profiles Byersville Creek Culvert – Culvert Replacement – City of Peterborough The Byersville Creek channel was re-aligned on the west side of Johnson Drive to eliminate the existing “jog” in the channel at that location. The City has also requested that bank stabilization works be considered on the west bank of the Otonabee River 45 metres upstream and downstream of the culvert crossing. The existing culverts consisted of two (2) 2.5 metre diameter corrugated steel pipes. The recommended culvert size consisted of a three (3) cell structures with each cell having a span of 6 metres and a height of 2.4 metres. The sizing accounted for the Otonabee River backwater effect. Highway 17 Petawawa River Bridge Replacement – MTO The Petawawa River Bridge at Highway 17 is a three span structure with an overall length of 122 m and approximately 4.5 m of clearance from design water levels. The Petawawa River is a major tributary to the Ottawa River, draining over 4125 km 2 of hilly and forested lands, including a large portion of Algonquin Park. As part of Highway rehabilitation and widening works, Wills provided a detailed hydraulic assessment and report for the bridge. Special consideration was given to issues of constructability and environmental impact. Tayside Municipal Drain, Hydraulic Analysis - MTO The Tayside Municipal Drain at Highway 417 was a 4.3 m by 2.9 m structural plate corrugated steel pipe arch in need of replacement due to severe deterioration of the culvert floor. Wills staff assessed the condition and hydraulic capacity of the culvert and made recommendations for replacement. The characteristics of the contributing area were assessed and several hydrologic methods were completed and the results compared. The MTO Gravity Pipe Design protocol was observed to identify all potential alternative suitable materials. Six Bridges near Hearst, Hydraulic Analysis – MTO Wills staff developed comprehensive open channel (HEC-RAS) hydraulic models for each of six bridge replacements on Highways 11 and 583. The analysis incorporated impacts due to the placement and/or removal of piers, temporary conditions during construction in which both the existing and proposed bridges would be in position, pier and abutment scour, and floodline impact calculations due to expansion of the roadside embankments.

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  D.M. WILLS ASSOCIATES LIMITED  

Hydraulic Analysis

Project Profiles

Byersville Creek Culvert – Culvert Replacement – City of Peterborough

The Byersville Creek channel was re-aligned on the west side of Johnson Drive to eliminate the existing “jog” in the channel at that location. The City has also requested that bank stabilization works be considered on the west bank of the Otonabee River 45 metres upstream and downstream of the culvert crossing. The existing culverts consisted of two (2) 2.5 metre diameter corrugated steel pipes. The recommended culvert size consisted of a three (3) cell structures with each cell having a span of 6 metres and a height of 2.4 metres. The sizing accounted for the Otonabee River backwater effect.

Highway 17 Petawawa River Bridge Replacement – MTO

The Petawawa River Bridge at Highway 17 is a three span structure with an overall length of 122 m and approximately 4.5 m of clearance from design water levels. The Petawawa River is a major tributary to the Ottawa River, draining over 4125 km2 of hilly and forested lands, including a large portion of Algonquin Park. As part of Highway rehabilitation and widening works, Wills provided a detailed hydraulic assessment and report for the bridge. Special consideration was given to issues of constructability and environmental impact.

Tayside Municipal Drain, Hydraulic Analysis - MTO

The Tayside Municipal Drain at Highway 417 was a 4.3 m by 2.9 m structural plate corrugated steel pipe arch in need of replacement due to severe deterioration of the culvert floor. Wills staff assessed the condition and hydraulic capacity of the culvert and made recommendations for replacement. The characteristics of the contributing area were assessed and several hydrologic methods were completed and the results compared. The MTO Gravity Pipe Design protocol was observed to identify all potential alternative suitable materials.

Six Bridges near Hearst, Hydraulic Analysis – MTO

Wills staff developed comprehensive open channel (HEC-RAS) hydraulic models for each of six bridge replacements on Highways 11 and 583. The analysis incorporated impacts due to the placement and/or removal of piers, temporary conditions during construction in which both the existing and proposed bridges would be in position, pier and abutment scour, and floodline impact calculations due to expansion of the roadside embankments.