Whittier Bridge/I-95 Improvement Project. Public Information Meeting

Transcription

1 Whittier Bridge/I-95 Improvement Project Public Information Meeting October 23, 2013

2 Agenda: WHITTIER BRIDGE / I-95 IMPROVEMENT PROJECT Introduce the Design-Build Team Current Project Schedule Design Project Overview (review purpose, goals & scope) Developments since last public meeting Construction Construction phasing\sequence, Staging Areas Hours of work Mitigation of Impacts Communications program Contact Information

3 Design-Build Team Construction Contractors: Walsh Construction and McCourt Construction formed the Walsh-McCourt Joint Venture (JV1) With lead designer subconsultant HNTB Corporation Specialty Subconsultants include: Green International Affiliates, Inc. Survey, drainage, structural design Shadley Associates, P.C. Landscape Architecture Regina Villa Associates, Inc. Public outreach Public Archaeology Laboratory - Cultural resources Genesis Structures, Inc. Erection & demolition engineering

4 Current Project Schedule

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7 DESIGN Project Overview & Design Developments

8 Project Description & Purpose Replace the structurallydeficient John Greenleaf Whittier Bridge carrying I- 95 over the Merrimack River Improve I-95 from Exit 57 (Rte. 113) to Exit 60 by widening the roadway, improving ramp geometry, upgrading drainage & lighting systems

9 Project Goals Improve safety Provide bridge that meets all current standards Improve traffic flow Improve air quality by reducing congestion Support non-motorized modes of transportation

10 Overall Project Map

11 New Whittier Bridge WHITTIER BRIDGE / I-95 IMPROVEMENT PROJECT Network tied arch main spans Two new parallel structures, each carrying 4 lanes plus shoulders Shared Use Path (SUP) on NB structure with connections along approaches

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15 Shared Use Path

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19 Pine Hill (Ferry Rd) Bridge

20 Evans Place (Main St) Bridge

21 Rte. 110 Bridge

22 Abandoned RR Bridges

23 Design Changes & Refinements Since Last Public Meeting CCTV Cameras along SUP Evans Place Bridge - Alternative Superstructure Type & Span Whittier Bridge Pier Configuration Transparent barrier on NB Whittier SUP barrier Proposal to replace existing fan wall with new modular wall

24 Base Technical Concept Pier Configuration Piers with vertical columns and arch supported on cantilevered cap beam

25 Revised Pier Design WHITTIER BRIDGE / I-95 IMPROVEMENT PROJECT Piers with sloping columns to provide support directly beneath arches

26 Transparent Fence on Shared Use Path Barrier on the Whittier Bridge

27 Relocation of Existing Wall adjacent to Laurel Road WHITTIER BRIDGE / I-95 IMPROVEMENT PROJECT

28 Existing Fan Wall Adjacent to Laurel Road

29 Comparision of Alternatives

30 Retaining Wall Finish WHITTIER BRIDGE / I-95 IMPROVEMENT PROJECT

31 CONSTRUCTION Phasing/sequence, Hours of Work, Mitigation of Impacts

32 Construction Construction Phasing/Sequencing Staging Areas Hours of Work Mitigation of Impacts a. Traffic\Real Time Traffic Management System b. Environmental c. Construction Noise d. Navigation channel

33 Traffic Maintenance Requirements I-95 NB & SB 3 lanes to be provided during peak travel times For I-95 NB: a. Single lane closure, Monday-Thursday 7:00 PM 5:00 PM b. Two lane closure, Monday-Thursday 10:00 PM 7:00 AM For I-95 SB: a. Single lane closure, Monday-Thursday 9:00 AM 6:00 AM b. Two lane closure, Monday-Thursday 9:00 PM 6:00 AM No lane closures during holiday weekends and summer weekends

34 Route 110 Single lane closure allowed: WHITTIER BRIDGE / I-95 IMPROVEMENT PROJECT Traffic Maintenance Requirements, cont d Monday-Friday 9:00 AM 3:00 PM Monday-Thursday 8:00 PM 6:00 AM All weekend (Saturday & Sunday) & holiday closures require MassDOT approval Evans Place Alternating traffic (with flaggers) allowed: Monday-Friday 9:00 AM 3:00 PM Route 110/I-95 NB On-Ramp Shall remain open between Memorial Day & Labor Day Pine Hill Road Alternating traffic in single lane, using temporary traffic signals, until new bridge constructed (There will be exceptions to the above, which will require MassDOT approval & public notifications will be issued prior to any changes)

35 Real Time Traffic Management System

36 Real Time Traffic Management System

37 Erection of the Whittier Bridge Approach spans become supply path for arch erection

38 Erection of the Whittier Bridge Arch deck erected with Mi-Jacks Arch ribs erected with small cranes

39 Erection of the Whittier Bridge Approach spans Mi-Jacks Arch span Mi-Jack, cranes

40 Erection of the Whittier Bridge Approach spans become supply path for arch erection

41 Erection of the Whittier Bridge Arch deck erected with Mi-Jacks Arch ribs erected with small cranes

42 COMMUNICATIONS PROGRAM

43 Communications Program Update stakeholders on project progress Website E-blast updates/advisories Social media Press advisories Business coordination, as necessary Abutter/coordination meetings and briefings as necessary

44 Project Website WHITTIER BRIDGE / I-95 IMPROVEMENT PROJECT

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46 Project Contact Information Project website: Stephanie Boundy, MassDOT Public Outreach Coordinator office phone: (857)

47 Thank You for Attending!