Green Line Extension Project
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Green Line Extension Project GLX Community Working Group Monthly Meeting May 5, 2020 Agenda Welcome & Introduction Terry McCarthy, MBTA Deputy Program Mgr., Stakeholder Engagement Construction Update Jeff Wagner, GLXC Public Involvement Manager GLX Community Working Group Monthly Meeting May 5, 2020 GLX Bridge Closure Snapshot Target Dates: • School Street Bridge Recent resequencing of bridge closure expected to produce earlier reopening this winter. New opening date to be announced. • Lechmere Viaduct Demolition and Replacement Bus Service Begins May 24, 2020 • Washington Street Bridge / Underpass Permanent reopening May 31, 2020* • Broadway Bridge Single lane opening July 15, 2020* * Schedule subject to change due to potential COVID-19 related impacts GLX Community Working Group 3 Monthly Meeting May 5, 2020 MBTA - GLX COVID-19 Update GLX construction has continued project-wide at a robust pace throughout the pandemic. • Ongoing construction productivity will depend heavily on the continuity of the materials supply chain the labor force. • Notable areas of concern include: Concrete suppliers Union labor Steel Rebar manufacturers GLX Community Working Group 4 Monthly Meeting May 5, 2020 GLXC Construction Update GLX Community Working Group 5 Monthly Meeting May 5, 2020 Safety: COVID-19 Protection GLX Community Working Group 6 Monthly Meeting May 5, 2020 Union Square Station Area • Foundation construction continues at future Union Square Station GLX Community Working Group 7 Monthly Meeting May 5, 2020 Lechmere Area • Discontinuation of trolley service and start of bus service on May 24 • Demolition of old viaduct to take place on weekends starting in late May GLX Community Working Group 8 Monthly Meeting May 5, 2020 Lechmere Area cont • Steel placement continues to progress north across Water St. and towards Superior Nut GLX Community Working Group 9 Monthly Meeting May 5, 2020 Boston Engine Terminal Area • Deck construction, power traction substation and Community Path foundation work progressing over the Boston Engine Terminal tracks • Traction Power GLX Community Working Group 10 Monthly Meeting May 5, 2020 Vehicle Maintenance Facility • Framework around the Transportation Building taking shape • Posts installed for gantry GLX Community Working Group 11 Monthly Meeting May 5, 2020 Vehicle Maintenance Facility cont • Retaining wall installation continues around the VMF perimeter • Foundation work on VMF and Transportation Building underway GLX Community Working Group 12 Monthly Meeting May 5, 2020 East Somerville Station Area • The East Somerville Station continues to develop • Washington abutment construction just prior to steel placement • Underpass to open by end of May 2020* * Schedule subject to change due to potential COVID-19 related impacts GLX Community Working Group 13 Monthly Meeting May 5, 2020 East Somerville Station Area cont. • The East Somerville Station continues to develop • Washington abutment construction just prior to steel placement • Underpass planned to reopen permanently by end of May* * Schedule subject to change due to potential COVID-19 related impacts GLX Community Working Group 14 Monthly Meeting May 5, 2020 Retaining Wall Construction • Retaining Wall work continues to advance between Cross St. and McGrath Hwy • Extremely tight section along Chester Ave. GLX Community Working Group 15 Monthly Meeting May 5, 2020 Medford St. Bridge Modification • Crews at street level drilling foundation for new abutment • At track level workers reinforcing the existing abutment that will become center pier GLX Community Working Group 16 Monthly Meeting May 5, 2020 Future Gilman Square Station Area • Wall drilling continues near pedestrian bridge • Removing soil that supported drilling operations • Traction Power Substation construction continues near the bridge GLX Community Working Group 17 Monthly Meeting May 5, 2020 School Street Bridge Modification • School St. closure was resequenced to begin in April (approximately one month earlier than planned). New opening date to be announced. • Drilling for the new abutment planned for later this month GLX Community Working Group 18 Monthly Meeting May 5, 2020 Retaining Wall Construction (2) • Retaining wall construction between School St. and Sycamore. Large temporary earthen wall built to support drill rig and equipment • Community Path will be on top of the wall & behind homes on Montrose St. GLX Community Working Group 19 Monthly Meeting May 5, 2020 Retaining Wall Construction cont. • Retaining Wall construction near Maxwell’s Green • Foundation drilling started in April GLX Community Working Group 20 Monthly Meeting May 5, 2020 Ball Square Station Area • Steel has been placed across both spans of Broadway Bridge with deck construction underway GLX Community Working Group 21 Monthly Meeting May 5, 2020 Ball Square Station Area cont • Track shift between Lowell/Cedar St to Harvard St. planned for May. GLX Community Working Group 22 Monthly Meeting May 5, 2020 Ball Square Station Area cont 3 • Traction power substation foundation & utilities work is progressing GLX Community Working Group 23 Monthly Meeting May 5, 2020 Medford/Tufts Station Area • Foundation drilling for the retaining wall along Boston Ave. GLX Community Working Group 24 Monthly Meeting May 5, 2020 Outreach – Hotline Responses • 1,251 Inquiries thru Hotline, e-mail or direct contact with outreach staff project to date. 84 contacts received in April • 1,133 actions closed out GLX Community Working Group 25 Monthly Meeting May 5, 2020 Landscape in MBTA/GLX ROW • Native Grass • Low Growth and Easy to Maintain • Stations Entrances and Community Path GLX Community Working Group 26 Monthly Meeting May 5, 2020 Q & A GLX Community Working Group 27 Monthly Meeting May 5, 2020 .