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PROJECT: POR93854/180069 SR 303 Major Roadway Repair

OWNER: ODOT – District 4

Major project to raise the roadway 4′ -5′ in order to reduce flooding. The construction area tested anywhere from 60′ – 120′ deep peat deposits and included obstacles with wetlands and protection of endangered species.

SCOPE OF WORK:

• Excavation
• Diversion of Tinkers Creek around construction area utilizing water dams
• Installation and removal of normal lightweight material/surcharge remained in place for 2.5 months
• Lightweight, haydite material installed on final roadway – 11,324 CY
• Wickdrains installed through peat soils to expediate project – 167,594 ft
• Geogrid aggregate mat installed to reduce differential settlement
• Animal crossings installed to protect wildlife
• 87′ x 63′ Elyptical culvert installed at Westbowl
• Guardrails
• Paving