Agenda. PRE-CONSTRUCTION PUBLIC MEETING September 18, 2014

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2 Agenda Welcome FTA Full Funding Grant Agreement Update GLX Phase 1 Construction Update GLX Phases 2/2A, 3 & 4 Construction Contracts Upcoming Early Construction Work Construction Mitigation Night & Weekend Work How to Stay Connected Q & A 2

3 Update on FTA Full Funding Grant Agreement Submit New Starts Update September 2013 New Starts Financial Plan October 2013 GLX Project in President s Budget Report March 2014 Submit FFGA Application September 2014 Full Funding Grant Agreement Winter

4 Project Phasing

5 GLX PHASE 1 CONSTRUCTION UPDATE 5

6 Phase 1: Early Bridge & Demolition Package Medford Street Rail Bridge Harvard Street Rail Bridge 21 Water Street Demolition 6

7 Phase 1 Update: 21 Water Street Demolition 7

8 Phase 1 Update: 21 Water Street Demolition 8

9 Medford Street Railroad Bridge, Somerville 9 #9

10 Medford Street Railroad Bridge Widening 10 #10

11 Balance of 2014 Medford Street Bridge Work as Planned: Continue concrete abutment modification work in advance of steel erection activities to widen the bridge structure: o 8/11 TBD (single lane closures) 3 to 4 weekend, full roadway closures planned for bridge widening steel erection (please note that dates are forecast and subject to change): o 9/13 9/14/14 - COMPLETED o 10/4 10/5/14 o 10/25 10/26/14 o Additional weekend to be determined (if necessary) Complete structural steel fit-up and final painting: o several weeks of single lane closures 11 #11

12 Medford Street Railroad Bridge Construction 12 #12

13 Harvard Street Railroad Bridge, Medford Future Track Location 13 #13

14 Harvard Street Railroad Bridge, Medford Work Includes: Widening Bridge Retaining & Noise Walls Moving Commuter Rail into Final Alignment Utility & Drainage Work 14 #14

15 Harvard Street Railroad Bridge, Medford 15 #15

16 Harvard Street Railroad Bridge, Medford Future contract will include corridor work on south side & build Green Line 16 #16

17 GLX Upcoming Milestones Submit FFGA Application Fall 2014 Begin Early Work Construction Fall 2014 o GMP#1-Procurement of Long Lead Items o GMP#2-Early Utilities Phases 2/2A & 4 o GMP#3-Miller s River & Fitchburg Line Full Funding Grant Agreement Winter Begin GMP#4 Phase 2/2A Construction Spring 2015 Service Begins: Lechmere, Washington St. & Union Sq.: December 2017 Gilman Sq., Lowell St., Ball Sq. & College Ave.: Summer

18 GLX EARLY CONSTRUCTION WORK 18

19 Long Lead Items Specialty trackwork Switch Machines Switch Heater Signal Bungalows Traction Power Equipment Washington Street Bridge Steel 19

20 Long Lead Items Specialty Track Work 20

21 Long Lead Items Switch Machines 21

22 Long Lead Items Signal Bungalow 22

23 Drainage 23

24 Utilities School St Utility Bridge 24

25 Utilities Medford St Utility Bridge 25

26 Utilities Broadway Utility Bridge 26

27 Union Square Branch Construction 27

28 Union Square Branch Construction 28

29 Accessing the Corridor 29

30 Construction Haul Road 30

31 Clearing & Grubbing 31

32 Clearing & Grubbing 32

33 Construction Mitigation Noise Mitigation Plan Will comply with local city & town noise ordinances Dust Control Plan Wheel Washers Street Sweeping Calcium Chloride Rodent Control Plan Preconstruction Surveys Soil Testing & Characterization 33

34 Night & Weekend Work Night Work at the MBTA Boston Engine Terminal 4:00 AM 1:30 PM Shift Weekend Work in 2015 &

35 GLX Upcoming Meetings GLX Working Group Meeting Oct. 2, PM, Center for the Arts Armory, Somerville Upcoming Station Design Public Meetings: o Lechmere October 2014 o Washington Street & Union Square October

36 How to Stay Informed and Follow the Progress of Construction MassDOT GLX Website: 3 Week Look Ahead Schedules Construction Progress Photos Traffic Updates Public Meetings Sign-up for Regular Blasts Contact Information: info@glxinfo.com Emergency Construction Hotline GLX-INFO 24/7 Coverage 36 #36

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