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Issaquah Fall City Road Project Update

This update provides information on the Issaquah Fall City Road Project, including schedule, cost implications, actions taken, and potential cost savings. The project aims to relieve congestion and improve safety through the installation of roundabouts, a bridge replacement, landscaped medians, and more. The update also discusses factors driving the cost and options to address cost escalation, including staying on course or closing the roadway for bridge construction. Transportation Improvement Board funding options are also presented.

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Issaquah Fall City Road Project Update

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  1. Issaquah-Fall City Road Project Update City Council Study Session March 13, 2018

  2. Introductions Schedule Cost Implications Factors Driving Cost Actions Taken Potential Cost Savings Discussion Direction from Council Meeting Agenda

  3. Project Overview – Congestion Relief & Safety

  4. Project Timeline

  5. Project Timeline

  6. Preliminary Estimates of Probable Construction $ Estimates include Construction Activities only

  7. What Changed – Conceptual to Preliminary? Changed Intersection Types to Roundabouts Selected Bridge to Replace Culvert Selected Landscaped Medians, Irrigation, and Bike Lane Buffers

  8. What Changed – Preliminary to Intermediate Design? • Increased Median Width – Adding Walls • Changed Drainage Design to Relocate Proposed Pond • GeotechReport – Poor Soils Impacts Bridge Foundations • Prosperity – Good Economy Increasing Unit Prices (FHWA Cost Indices) 7.8% Summer 2017

  9. What Have We Been Doing to Address Escalation? • Identified Major Cost Drivers • Conducted “Mini” Value Engineering Workshop in Lochner • Engaged Regional Contractor to Review Approach & Identify Potential Savings

  10. Focused on Major Cost Drivers • Bridge Design & Construction Methods • Reduced Roadway Cross Section • Walls – Number & Type • Intersections – Design Modifications Potential Cost Savings

  11. Current Plan – Stay the Course

  12. Preliminary Estimates of Probable Construction $ Estimates include Construction Activities only

  13. Alternative – Close the Road

  14. Preliminary Estimates of Probable Construction $ Estimates include Construction Activities only

  15. Transportation Improvement Board • 2017 Application • $5M Request • Missed by One Point • “Shovel Readiness” • 2018 Potential Application • Due, August of 2018 • Award, November of 2018 • Funds Available, January of 2019 Funding

  16. Looking For Council Direction to: • Stay the Course with Roadway Design Modifications, or • Approval to Close the Roadway for Bridge Construction Next Steps

  17. Discussion

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