Public Scoping Meeting Public Scoping Meeting State Project No. 1 6 - PowerPoint PPT Presentation

Public Scoping Meeting Public Scoping Meeting State Project No. 1 6 7 -1 0 8 State Project No. 1 6 7 -1 0 8 Bridge No. 0 0 7 7 3 Bridge No. 0 0 7 7 3 Heroes Tunnel Heroes Tunnel Route 1 5 W ilbur Cross Parkw ay Route 1 5 W ilbur Cross Parkw ay Through W est Rock Ridge Through W est Rock Ridge Tow ns of Ham den, W oodbridge Tow ns of Ham den, W oodbridge City of New Haven City of New Haven

Agenda Agenda   Show Project Location and Lim its Show Project Location and Lim its   Define Public Scoping Meeting Define Public Scoping Meeting   Explain the Purpose of the Project Explain the Purpose of the Project   I ntroduce CTDOT and Consultant Engineers I ntroduce CTDOT and Consultant Engineers   Present an Overview of the Project Present an Overview of the Project   Explain the Environm ental Docum ent Process Explain the Environm ental Docum ent Process   Solicit Questions and Com m ents Solicit Questions and Com m ents

Project Location – Map View Project Location – Map View Exit 5 9

Project Location – Aerial View Project Location – Aerial View

Public Scoping Meeting Public Scoping Meeting   Gathering/ Analysis of I nform ation to Establish the Gathering/ Analysis of I nform ation to Establish the Scope of Environm ental Review Scope of Environm ental Review   Scoping: Prior to Preparing Any Environm ental Scoping: Prior to Preparing Any Environm ental Docum ent and Deciding on Project Alternatives Docum ent and Deciding on Project Alternatives   Request Public to Subm it I nform ation to I dentify Request Public to Subm it I nform ation to I dentify Alternatives that Fulfill Project Purpose and Need Alternatives that Fulfill Project Purpose and Need   I dentify Specific Aspects of Environm ent to be I dentify Specific Aspects of Environm ent to be Analyzed Analyzed   Public May Have Better Know ledge of Area and Public May Have Better Know ledge of Area and Resources Resources

Purpose Of Project Purpose Of Project   To correct current overall rating of “Poor” determ ined To correct current overall rating of “Poor” determ ined by periodic inspections by periodic inspections   Tunnel is currently inspected on a yearly basis Tunnel is currently inspected on a yearly basis ( biennial and special inspections) ( biennial and special inspections)   Current “Poor” rating not an indication of an im m inent Current “Poor” rating not an indication of an im m inent safety issue, but rather identifies the need for action safety issue, but rather identifies the need for action before a m ore serious condition develops before a m ore serious condition develops   Project scope is anticipated to include rehabilitation Project scope is anticipated to include rehabilitation and/ or reconstruction to address structural and and/ or reconstruction to address structural and geom etric deficiencies. geom etric deficiencies.

Project Roles Project Roles CTDOT Office of Environm ental Planning CTDOT Office of Environm ental Planning   Coordination/ Review of Environm ental Aspects Coordination/ Review of Environm ental Aspects - Mark Alexander, Assistant Planning Director - Mark Alexander, Assistant Planning Director - Kevin Flem ing, Transportation Planner - Kevin Flem ing, Transportation Planner CTDOT Division of Bridges, Bridge Consultant Design Unit CTDOT Division of Bridges, Bridge Consultant Design Unit   Oversight/ Liaison/ Coordination of Design Consultant Oversight/ Liaison/ Coordination of Design Consultant - Theodore Nezam es, Manager of Bridges - Theodore Nezam es, Manager of Bridges - Tim othy Fields, Principal Engineer - Tim othy Fields, Principal Engineer - David Cutler, Supervising Engineer - David Cutler, Supervising Engineer - Derick Lessard, Project Engineer - Derick Lessard, Project Engineer

Project Roles Project Roles CDM Sm ith CDM Sm ith   Design Consultant Engineer Design Consultant Engineer   Preparing Environm ental I m pact Evaluation/ Assessm ent Preparing Environm ental I m pact Evaluation/ Assessm ent   Prelim inary Design of Preferred Alternative Prelim inary Design of Preferred Alternative Federal Highw ay Adm inistration ( FHW A) Federal Highw ay Adm inistration ( FHW A)   Federal Funding Anticipated for Alternative Federal Funding Anticipated for Alternative   FHW A Engineers w ill be Associated w ith Project FHW A Engineers w ill be Associated w ith Project

CDM Sm ith CDM Sm ith   New England-Based Global Consulting Engineering Firm New England-Based Global Consulting Engineering Firm   Offices in East Hartford and New Haven ( Church Street) Offices in East Hartford and New Haven ( Church Street)   I nternational Tunnel Experts Supporting Local I nternational Tunnel Experts Supporting Local Offices/ Project Offices/ Project   I nspection of Tunnels, Preparation of Reports I nspection of Tunnels, Preparation of Reports   Know Project, Environs, and Com m unity Know Project, Environs, and Com m unity

CDM Sm ith Team CDM Sm ith Team   Principal – Larry Murphy Principal – Larry Murphy   Principal in Charge – Paul Schm idt Principal in Charge – Paul Schm idt   Principal/ Project Manager – Joe Balskus Principal/ Project Manager – Joe Balskus   Public Engagem ent – Dave Sousa Public Engagem ent – Dave Sousa   Environm ental Assessm ent/ I m pact – Jane W heeler Environm ental Assessm ent/ I m pact – Jane W heeler   Tunnel Designer – Moham m ad Jafari Tunnel Designer – Moham m ad Jafari

Tunnel Description Tunnel Description   Opened in 1 9 4 9 - W ilbur Cross Parkw ay Opened in 1 9 4 9 - W ilbur Cross Parkw ay   Eligible for Listing on State/ National Historic Register Eligible for Listing on State/ National Historic Register   Only Highw ay Tunnel Through Natural Land Form in CT Only Highw ay Tunnel Through Natural Land Form in CT - Carries 7 0 ,0 0 0 vehicle per day - Carries 7 0 ,0 0 0 vehicle per day   Each Barrel 1 2 0 0 ’ long, 2 8 ’ w ide, 1 1 ’ Lanes, 6 ” shoulders Each Barrel 1 2 0 0 ’ long, 2 8 ’ w ide, 1 1 ’ Lanes, 6 ” shoulders - Standards Require 1 2 ’ Lanes, 8 ’ Shoulders - Standards Require 1 2 ’ Lanes, 8 ’ Shoulders   Non-Com pliance w / Tunnel Standards/ Requirem ents Non-Com pliance w / Tunnel Standards/ Requirem ents - Geom etrics, Ventilation and Em ergency System s - Geom etrics, Ventilation and Em ergency System s   CDM Sm ith 2 0 0 9 I nspection: Need for Rehabilitation CDM Sm ith 2 0 0 9 I nspection: Need for Rehabilitation

Existing Conditions Existing Conditions  Significant Deterioration  Significant Deterioration - Prior Biennial Reports - Prior Biennial Reports - CDM Sm ith I nspection/ Study - CDM Sm ith I nspection/ Study  Peak Hour Congestion  Peak Hour Congestion - Recurring Bottlenecks - Recurring Bottlenecks  Em ergency Response  Em ergency Response Constraints Constraints  Fire Safety System - None  Fire Safety System - None

Tunnels Tunnels  Ground W ater I nfiltration  Ground W ater I nfiltration - W alls/ Ceiling - Stalagm ites - W alls/ Ceiling - Stalagm ites - Freeze/ Thaw Conditions - Freeze/ Thaw Conditions - Falling I cicles - Falling I cicles  Cross Section Deficient  Cross Section Deficient - 2 6 ’ Existing W idth - 2 6 ’ Existing W idth - 5 0 ’ Required ( 2 Lanes) - 5 0 ’ Required ( 2 Lanes)  Frequent Maintenance Requires Tunnel  Frequent Maintenance Requires Tunnel Closures – Shifting Traffic Closures – Shifting Traffic

Tunnel W alls Tunnel W alls

Tunnel W alls Tunnel W alls

Tunnel Ceiling Tunnel Ceiling

Tunnel Ceiling Tunnel Ceiling

Tunnel Ceiling Tunnel Ceiling

Tunnel W alls Tunnel W alls

Tunnel Cross Section Tunnel Cross Section

Tunnel Cross Section Tunnel Cross Section

Rehabilitation or Reconstruction Rehabilitation or Reconstruction  Rehabilitation of Tunnel Evaluated in 2 0 1 4  Rehabilitation of Tunnel Evaluated in 2 0 1 4 Report Report - Significant Traffic I m pacts During Lane Closures - Significant Traffic I m pacts During Lane Closures - Geom etrics Not Correctable W ithin Existing Tunnel - Geom etrics Not Correctable W ithin Existing Tunnel W idths W idths • Vehicle Speeds Through Tunnel I m pacted • Vehicle Speeds Through Tunnel I m pacted • Narrow ness of Tunnel Causes Reduced Speeds • Narrow ness of Tunnel Causes Reduced Speeds - Structural I ntegrity of Tunnels – Ground W ater - Structural I ntegrity of Tunnels – Ground W ater I nfiltration I nfiltration

Rehabilitation or Reconstruction Rehabilitation or Reconstruction  Rehabilitation Lim its Benefits of Tunnels  Rehabilitation Lim its Benefits of Tunnels - Future Service Life - Future Service Life - Future Traffic Flow Capacity - Future Traffic Flow Capacity  Reconstruction Options Considered  Reconstruction Options Considered