Update Réseau express métropolitain - November 2020 - REM

 
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Update Réseau express métropolitain - November 2020 - REM
Update
Réseau express métropolitain

November 2020
Update Réseau express métropolitain - November 2020 - REM
Agenda

Project highlights
Report on work completed in 2020
Exceptional events in 2020
Updated schedule
Question & answer period
Update Réseau express métropolitain - November 2020 - REM
Context
                                              3

- Report on work completed in 2020, under
  exceptional circumstances
- Analysis of the COVID-19 impact on all
  REM construction sites
- Technical presentation on two
  unexpected situations that were beyond
  our control and occurred within the
  context of the Mont-Royal Tunnel
  modernization, requiring special measures
  to ensure everyone’s safety
- Presentation of the updated project
  schedule
Update Réseau express métropolitain - November 2020 - REM
Project highlights
Update Réseau express métropolitain - November 2020 - REM
The project
                                        5

              100% automated
              light rail network

              67 km
              of track

              26 stations
              in the Greater Montréal
              area

              3 connections
              to the Montréal metro
Update Réseau express métropolitain - November 2020 - REM
Work to be completed for this project
                                                                                     6

A brand new transit network built from A to Z

                    14             26                     5              3
                 PARK-AND-RIDE    STATIONS               KM OF       KM OF TUNNELS

     67
                      LOTS                            TUNNEL TO BE
                                                      MODERNIZED

   KM OF TRACK                        8
                                      ELEVATED
    OF WHICH                          STATIONS
      18.2 KM
     IS ON AN
                                      13

                                                                         2
    ELEVATED

                   11                                    5
                                      GROUND-
    GUIDEWAY                          LEVEL STATION

                                      5                 BRIDGES      MAINTENANCE
                      BUS             UNDERGROUND
                                                                       CENTRES
                   STATIONS           STATIONS
                                                       1.16 KM
Update Réseau express métropolitain - November 2020 - REM
Work to be completed for this project
                                                                                    7

Extensive coordination with numerous partners

       MORE THAN           COORDINATION   PLANNING               NEARLY

  70,000                                                     2,000
                              WITH          WITH

  DOCUMENTS PROCESSED
                             13             9                   WORKERS
                                                          ON THE GROUND IN 2020
 DURING THE DESIGN PHASE    MUNICIPAL     MOBILITY
                            PARTNERS      PARTNERS
                              AND

                               8                        + 30,000
                            BOROUGHS                 DIRECT AND INDIRECT JOBS CREATED
                                                          FOR THE EXECUTION PHASE
Update Réseau express métropolitain - November 2020 - REM
2020: A defining year
                                                                                                                                8

 Major milestones to reach

  Closure of the Mont-Royal Tunnel after nearly two years of planning

                                        Departure of the tunnel boring machine toward the airport

                                                   First REM cars received

                                                       Maintenance centre in Brossard ready the welcome the first cars

                                                              Commissioning of a representative segment of the future network

May                             October               November
Update Réseau express métropolitain - November 2020 - REM
Report on work
completed in 2020
Update Réseau express métropolitain - November 2020 - REM
Rive-Sud Branch
                                                                                        10

        23/3
                          56/6               1            3.2
                                                                            122
                                                                      KM
  ELEVATED STATIONS

                          STATIONS         BRIDGE            ELEVATED      104/122
                                            BUILT           STRUCTURE        COLUMNS
                           UNDER
                        CONSTRUCTION                          BUILT         COMPLETED

                                             +
                          OF WHICH
        22/2
GROUND-LEVEL STATIONS       2            RAILS COMING

                                                                            291
                                                                           252
                        STATIONS ARE        FOR THE
                                          SAMUEL-DE
                                                                               /291
                        70 %
                                                          1 MAINTENANCE
                                       CHAMPLAIN BRIDGE       CENTRE
                                                          COMPLETED AT       CONCRETE
       11
        /1                                                                    BEAMS

                                                          75%
                         COMPLETE
UNDERGROUND STATION
                                                                            COMPLETED
Brossard
                                           11

Work completed and in progress in 2020:
- Brossard and Du Quartier stations
  progressing well
- Panama Station and bus terminal under
  construction
- Maintenance and command centre 75%
  completed and the Brossard Station bus
  terminal is under construction
- 3.5 km representative segment being
  finalized
Testing period on
                                            12

the South Shore
- Confirmation that a testing period will
  begin in the fall of 2020, on a
  representative segment
- REM’s typical infrastructures (rails,
  catenary, control and communication
  system, two stations, platform screen door
  system, etc.) will be tested under actual
  Greater Montreal conditions for
  approximately 13 months.
Rolling Stock
                                                 13

- The first four REM cars arrived in Montreal.
- The next deliveries are scheduled for 2021.
- Production of rolling stock is progressing
  according to schedule.
- Unveiling in mid-November of the first REM
  cars at the maintenance centre in
  Brossard.
Île-des-Sœurs
                                            14

Work completed and in progress in 2020:
- Concrete being poured for station
  foundations
- Elevated structure construction in progress
  (pillars and beams)
- Île-des-Sœurs Channel bridge under
  construction
Verdun to downtown                           15

Work completed and in progress in 2020:
- 1.7 km of the elevated guideway
  completed
- Rehabilitation of southbound overpass
- Pillars and abutments for widening De La
  Commune Bridge
- Central Station: removal of railway
  infrastructures, construction of technical
  rooms, access to the station and installation
  of electromechanical equipment
Deux-Montagnes Branch
                                                                                               16

  14
  8/14                 460
                       0/460                 5   KM             23/3              1
  STATIONS          CONCRETE SEGMENTS    OF TUNNEL TO BE         BRIDGES      MAINTENANCE
                                          MODERNIZED                            CENTRE
                                                                               COMPLETED

      3/3
      0
      ELEVATED
      STATIONS

      6/9
      9
      GROUND-
      LEVEL
      STATION          043
                        /43              70
                                        60/70      MM
                                                               01.6
                                                                /1.6           524
                                                                                 /24
      22/2               SPANS
                                        OF EXCAVATION
                                                               KM ELEVATED     KM OF TRACK
      UNDERGROUND                             AT
      STATIONS                     ÉDOUARD-MONTPETIT STATION    STRUCTURE    AT GROUND LEVEL
Outremont
                                           17

Work completed and in progress in 2020:
- Édouard-Montpetit: concreting and
  waterproofing of walls
- Erection of the steel structure and
  excavation for platforms (in progress)
- Station and platforms: mobilization of
  equipment, temporary installations and
  foundations started
Côte-des-Neiges and
                                               18

City of Mont-Royal
Work completed and in progress in 2020:
- Removal and reconstruction of railway
  tracks (electrical power supply, drainage,
  ballast, rails)
- Construction of Mont-Royal and Canora
  stations (steel structure and foundations)
- Demolition and reconstruction of Cornwall
  Bridge and the north deck on the Jean-
  Talon Bridge
Saint-Laurent
                                               19

Work completed and in progress in 2020:
- Track work in the railway right-of-way
  between Côte-de-Liesse and Du Ruisseau
  stations
- Côte-de-Liesse and Montpellier stations:
  foundation construction and start of steel
  structure erection
- Du Ruisseau Station: foundation
  construction
- Bois-Franc Station: erection of the structure
  and exterior finishing
20

North Shore: Laval
and Deux-Montagnes
Work completed and in progress in 2020:
- Laval: construction of two railway bridges
  crossing Rivière-des-Prairies
- Laval: road redevelopment in the Sainte-
  Dorothée sector to eliminate existing
  grade crossings
- Laval and Deux-Montagnes: relocation of
  public utilities and work zone preparation
- Laval and Deux-Montagne:
  Implementation of interim measures in
  preparation for suspension of service
Anse-à-l’Orme and airport branch
                                                                                             21

       13/3
 ELEVATED STATIONS      26/6        4,102
                                   2,170/4,102         7.7
                                                        14.5
                                                          /14.5               1
                        STATIONS   CONCRETE SEGMENTS    KM ELEVATED       MAINTENANCE
                                                         GUIDEWAY          GARAGE

       1
      1/1
GROUND-LEVEL STATION

                                                                 TUNNEL BORING

                       357/367 191
                        367     366                              MACHINE
                                   /366                          LAUNCHED
      02
       /2                PILLARS         SPANS                   TUNNEL CONNECTING THE
   UNDERGROUND                                                   TECHNOPARC TO THE AIRPORT
     STATIONS
West Island
                                        22

Work completed and in progress in
2020:
- Nearly 8 km of structure installed
- 357 of 367 pillars completed
- Installation of a gantry for the
  elevated structure over Highway 40
- Start of Fairview-Pointe-Claire and
  Anse à l’Ormes station construction
  (foundations)
Technoparc and
                                               23

Montréal airport

Work completed and in progress in 2020:
- Construction of the elevated structure
  in the Technoparc area
- Assembly of the tunnel boring machine
  and testing before drilling begins
- Tunnel boring machine put into
  operation and start of
  drilling/construction of the tunnel to the
  airport
Exceptional events
in 2020
COVID-19 analysis
All sectors and construction sites
                                                                                                              26

COVID-19 shutdown period
Status of the situation

                              March 24, 3030         May 11 to early June 2020
  Period during which all
  REM construction sites      All REM                Gradual resumption of work on
  were shut down:             construction sites     all REM construction sites
                              shut down following
  Repercussions to date       COVID-related              Since May 2020
  result in a 3- to 6-month   governmental
                              directives                 1.   Implementation of a series of precautions and
  delay of the original       Design and
                                                              measures to monitor workers’ health so work
  schedule.                                                   could continue
                              engineering
                              activities continued       2.   Impact on procurement
                                                         3.   Impact on mobility of specialized labourers
New measures on the construction sites
                                         27
Modernization of the
Mont-Royal Tunnel
Modernization of the Mont-Royal Tunnel                                                      29

Modernization of a century-old tunnel

                                                                     5 km
                                                                     of tunnel
Reinforcement of the rock                                            to modernize
                                                                     from Central Station
                                                                     to Canora, including
                                                                     addition
           Excavation to
            add stations                                             of McGill and
                                                                     Édouard-Montpetit
     New lighting system                                             stations

        Construction of a                New ventilation shafts
         separation wall

       New power supply
                                         Installation of a new
                New rails                telecommunications system

             New ballast
                                         Drainage
Modernization of the Mont-Royal Tunnel

Two unexpected events beyond our control that
occurred in 2020
Following the complete closure of the tunnel as of May 11th

      Unplanned detonation                        Intrusive inspections and
      of a century-old explosive                  discovery of the tunnel’s
      charge                                      deficient general condition
                                                  beneath McGill College
      All measures required to ensure             Avenue
      safety of workers, professionals,
      suppliers and citizens were
      implemented.
Unplanned detonation of a century-old
                                                                                                31

         explosive charge
         Status of the situation

                                                  July 21
                                                                     After investigation and
May 11, 2020     May and June 2020   July 2020
                                                                             enquiry:
closure of the   mobilization of     start of     unexpected
Mont-Royal       teams and           excavation   detonation while    Most likely root cause:
Tunnel           preparatory work    work         drilling in a      intersected an old bore
                                                  work face
                                                                         hole containing
                                                  – No workers       explosive residue dating
                                                    were injured          back to tunnel
                                                    in this event     construction in 1912.
Unplanned detonation of a century-old explosive
     charge                                            32

Cause analysis
according to exports

Construction techniques

- Horizontal drill bar with one (1) or four
  (4) drills mounted to it

- Major limitations of
  drilling equipment in the
  era:

  Limited ability to
  position accurately and
  align the hole
Unplanned detonation of a century-old explosive charge                                                33

Key conclusions from the investigation

 The detonation occurred              Three primary risks          More than one hundred
 following direct thermal             associated with              simulations to model the
 contact with nitroglycerin           detonation of an explosive   extreme conditions of a
 residue, not from vibration.         charge:                      detonation.
                                      1. Rock projections
                                                                   Tests established from various
                                      2. Air overpressure          analyses based on the minimum
                                                                   standards to be met, in terms of
                                      3. Fumes                     projections, noise and air quality.
Unplanned detonation of a century-old explosive charge                                         34

Measures implemented to resume modernization
work

                                                                   More than 1 km of
 30,000 boreholes                                                  clearance required, making
 required within the context of                                    it impossible for other work
 modernizing the tunnel                                            to take place concurrently
                                                                   in this zone

                                        585 m              585 m

                                                Borehole

 Mont-Royal Tunnel
 Requirement to be inside a converted container
 No activity permitted in this area (within 50 metres)
Unplanned detonation of a century-old explosive charge                                                        35

Measures implemented to resume modernization
work
Strict measures established and approved by the CNESST to resume work, including required
employee training
Principles to follow during excavation:
(or wherever there is a risk of detonating a potential charge)

 Within 585 metres: no             Within 585 metres: all        Within 50 metres: no      Within 50 metres: use
 workers on foot                   machinery operators           worker or operator        of remote controlled
 unless a mitigation               must be inside a              permitted                 equipment
 measure has been                  converted container           due to the risk of rock
                                                                 projections.
 implemented
General tunnel condition
                                                                                                                    36

         beneath McGill College Avenue
         Status of the situation

2020-05-11       May and June 2020   August 2020      Series of tests conducted during the summer
                                                      to validate the quality of the Mount Royal Tunnel structure
closure of the   mobilization of     opening of the   located between Central Station and Maisonneuve Street
                                     Mont-Royal
Mont-Royal       teams and           Tunnel vault
Tunnel           preparatory work    beneath McGill
                                     College Avenue

                                                           Very significant deterioration of this southern
                                                                 section of the tunnel, potentially
                                                          compromising the structural integrity of McGill
                                                           College Avenue, due to the permeation of
                                                           water mixed with de-icing salt for more than
                                                                              60 years.
General tunnel condition beneath McGill Avenue                                         37

Mont-Royal Tunnel construction
Double vault built beneath existing McGill College Avenue

        No waterproofing membrane installed             De-icing salt used on the surface
General tunnel condition beneath McGill Avenue   38

Structural deficiencies in the southern section
Three sections of the Mont-Royal Tunnel

    North section

   Central section

    South section
General tunnel condition beneath McGill Avenue

Reinforcement
required

Significant reinforcing measures
required to ensure long-term                          Ground
integrity of the tunnel

Four scenarios analyzed: Option
with the least impact on traffic
and the City of Montréal
recommended to perform work
from the inside.
                                                               CIP   Temporary scaffolding
                                                      Rock
Tunnel modernization                                                                            40

Commissioning between Central Station and
Du Ruisseau
    Exceptional events identified:      Reinforcement required and adjustment of work methods
                                        to modernize the Mont-Royal Tunnel:

             COVID-19 impact
                                          – Commissioning of the segment from
             Unplanned detonation of        Du Ruisseau to Central Station: fall of
             a century-old explosive        2023, i.e. an additional 18 months of
             charge                         work

             General tunnel condition     – Close collaboration with the
             beneath McGill Avenue          ARTM and Mobilité Montréal
                                            to extend all measures implemented for
                                            Deux-Montagnes and Mascouche line users
                                            during this period.
Updated schedule
Effect of the new scope for modernizing the tunnel
                                                                             42

Testing period on the Deux-Montagnes, Anse-à-l’Orme and Airport
branches

 Once tunnel modernization is complete: required
 testing period lasting about six months to            Connection of control
 conduct tests prior to opening the Deux-              systems
 Montagnes, Anse-à-l’Orme and Airport
 branches.
                                                            Command Centre
                                                            in Brossard
Cumulative effect on
the Airport Branch
- COVID-19 impact of 3 to 6 months,
  affecting particularly the following
  elements:
    - Mobility of specialized labourers
    - Supply chain
- Period of about 6 months required for
  testing
- Delay in launching the tunnel boring
  machine
Schedule when project was launched in 2018
                                                                             44

    DEUX-MONTAGNES

                               DU RUISSEAU

  ANSE-À-L’ORME

                     YUL-AÉROPORT            CENTRAL STATION
                     MONTRÉAL-TRUDEAU

                                                               End of 2021
                                                                     2022
                                                                     2023
                                                                Late 2023

                                                    BROSSARD    Late 2023
Updated schedule, taking into account the revised
                                                                                     45

project scope and COVID-19
    DEUX-MONTAGNES

                               DU RUISSEAU

  ANSE-À-L’ORME

                     YUL-AÉROPORT            CENTRAL STATION
                     MONTRÉAL-TRUDEAU

                                                               Spring/summer 2022
                                                                         Fall 2023
                                                                      Spring 2024
                                                                         Fall 2024

                                                    BROSSARD          End of 2024
Question & answer period
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