Fort Wayne Tunnel Works...cityoffortwayne.org/utilities Update Meeting –Thieme & Berry •TJ Short –City Utilities •Lance Waddell –Lane Construction •Mike Kiester –City

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West Central Consolidation Sewer and Drop Shaft

UpdateOctober 28, 2020

Fort Wayne Tunnel Works

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Update Meeting – Thieme & Berry

• TJ Short – City Utilities

• Lance Waddell – Lane Construction

• Mike Kiester – City Utilities

• Todd Webster – Jacobs Engineering

• Frank Suárez – City Utilities

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Consolidation Sewer and Drop Shaft

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Similar Structures Along the Tunnel Route

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Completed - 72-inch Temporary Reroute

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Completed – Vault Demolition & Sheeting

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Completed - Installation of Dewater Wells

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Underway - Excavating to Install Bracing

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Moving Forward

• Build Vortex Chamber• Build Diversion Structure • Install Yard Piping

Timeline: Nov – Jan 2021

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Moving Forward

• Installing Mechanical/Electrical Equipment

• Install Gates Timeline: Jan – Apr 2021

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Moving Forward

• Remove & Backfill 72-inch temporary pipe • Remove sheeting

Timeline: May – Jun 2021

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Moving Forward

• Restoration & Demobilization

Timeline: Jun – Jul 2021

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Reducing Sewer Overflows

• 41 Combined Sewer Overflow Outfalls in Fort Wayne

• 4th largest outfall 72-inch @ Nelson/Berry/Thieme

• 64.5 Million of Combined Sewage per year go into the St. Marys at Nelson/Berry/Thieme

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Common Objectives

• Protecting Historic West Central

• Protecting Trees

• Protecting the River

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Questions