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ENVIRONMENTAL REVIEWS AND CASE STUDIES: NEPA Strategies for Accelerating Project Delivery: Every Day Counts, Tiering, and Alternative Delivery in the I-70 Mountain Corridor

Published online by Cambridge University Press:  29 December 2015

Colleen Kirby Roberts  and
Mandy Whorton
Colleen Kirby Roberts*
Affiliation:
Transportation Business Group, CH2M HILL, Englewood, Colorado
Mandy Whorton*
Affiliation:
Transportation Business Group, CH2M HILL, Englewood, Colorado
*
Address correspondence to: Colleen Kirby Roberts, AICP, Environmental Planning Manager, Transportation Business Group, CH2M HILL, 9193 South Jamaica Street, Englewood, Colorado, 80112; (phone) 720-286-0914; (fax) 720-286-8081; (e-mail) Colleen.Roberts@ch2m.com
Address correspondence to: Mandy Whorton, Environmental Planning Project Manager and Senior Technologist in Environmental Studies and Documentation, Transportation Business Group, CH2M HILL, 9193 South Jamaica Street, Englewood, Colorado, 80112; (phone) 303-987-5940; (e-mail) Mandy.Whorton@ch2m.com
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Abstract

The Federal Highway Administration (FHWA) and the Colorado Department of Transportation (CDOT) have used Every Day Counts tools and other strategies to accelerate the National Environmental Policy Act (NEPA) process for projects intended to relieve congestion and improve safety in the Twin Tunnels area of Colorado’s Interstate 70 (I-70) Mountain Corridor. These Tier 2 projects follow the I-70 Mountain Corridor Tier 1 Programmatic Environmental Impact Statement (PEIS). The Tier 2 Twin Tunnels projects incorporated tools from the FHWA Every Day Counts Shortening Project Delivery Toolkit, including the Planning and Environmental Linkages concept, legal sufficiency enhancements, and programmatic agreements; the Construction Manager/ General Contractor (CM/GC) alternative delivery method; and a unique stakeholder engagement approach. These tools were effective in reducing the Tier 2 NEPA process to half its normal duration, thereby accelerating overall project delivery. The Tier 2 process was easier to implement because of the scaffolding developed during the Tier 1 process. Establishing an early involvement agreement related to legal reviews allowed FHWA attorneys to work with the project team at early decision points. Using the CM/GC alternative delivery method allowed for early input from the contractor on the preliminary design, avoided the need for NEPA re-evaluations during the final design or construction process, and led to new ideas for avoiding or minimizing impacts to environmental resources. Early and continuous engagement with partner agencies and other stakeholders allowed for quick feedback and provided the necessary support to move the project forward quickly.

Environmental Practice 17: 278–290 (2015)

Type
Features
Information
Environmental Practice , Volume 17 , Issue 4 , December 2015 , pp. 278 - 290
Copyright
© National Association of Environmental Professionals 2015 

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