public information meeting - verdu - may 25, 2016

Public Information Meeting New Champlain Bridge Corridor Project Verdun Borough Office – May 25, 2016

New Champlain Bridge Corridor Project

1. Inform you about ongoing work and work planned for the coming year

2. Explain the expected impacts and mitigation measures

3. Answer your questions

Meeting Objectives

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Daniel Genest Coordination Manager Signature on the Saint Lawrence Geneviève Campeau Mobility Manager Signature on the Saint Lawrence


Agenda

• Review of the project and its challenges • Key activities Under way Next 12 months

• Impacts and mitigation measures • Communications

• Question period

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General Project Overview

● One of the largest infrastructure projects in North America

● The project covers:

New Champlain Bridge – 3.4 km long

New Ile-des-Sœurs Bridge – 500 m long

Improved approaches (Hwy 15 in Montreal and Hwy 10 in Brossard) over 4.5 km

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New Champlain Bridge


Major Improvements to the Current Situation

Hwy 15 • More lanes

Gaétan-Laberge Blvd. • Improved Hwy 15 access • New access to downtown, in keeping with the

city’s long-term vision

Atwater Avenue • Improved Hwy 15 access

LaSalle Blvd. and Wellington St. • Improved pedestrian links

New bridge • Bridge of international stature • Dedicated public transit corridor • Pedestrian and bicycle link

Brossard • Permanent anti-noise wall • Pedestrian and bicycle link

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Project Challenges

● Complex, very large-scale work site Urban setting Near residents On water Winter conditions Environmental considerations

● Numerous partners and stakeholders: provide advance information for good cooperation and coordination

● Construction of Champlain Bridge: 42 months (now 30 months remaining)

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Main Priorities for the Coming Months Verdun / Sud-Ouest


Hwy 15 Area

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Timeline New Île-des-Sœurs Bridge: October 2015 to September 2017

Hwy 15 South: October 2015 to July 2017

Hwy 15 North: July 2017 to November 2018

Final linking: May to October 2019


Construction of new Hwy 15 South structures, walls and

roads

Overall Plan:Spring 2016 to Fall 2017

Construction of Gaétan-Laberge urban boulevard

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Construction of new Île-des-Soeurs Bridge

Dismantling of existing Hwy 15 South structures, walls and

roads


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Location of Areas Verdun / Sud-Ouest

Île-des-Soeurs

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Land


Description of work Approximate duration

Time frame

Legend: Work and Impacts

• Traffic: • Residential proximity: • Public transit: • Bike paths:

Minor Medium Major

Impact by colour code

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Key Work – Current and Upcoming Land

Design and planning in progress so modifications are possible


Objective: Widening of Hwy 15 South and reconfiguration of Atwater interchange and Gaétan-Laberge area

Current and upcoming work:

• Relocation of water mains between LaSalle and Wellington, and the Atwater area • Partial demolition of Atwater, LaSalle, Gibbons and Wellington overpasses, and part of Hwy

15 South

• Reconstruction of Hwy 15 South overpasses and roadbed

• Major reconfiguration of Atwater interchange and Gaétan-Laberge area

Approach:

• Daytime work especially when impact is major (e.g. noise level)

• Nighttime work when impact on daytime traffic is too significant

• Weekend work when necessary

Land

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Work and Impacts: Land

Relocation of the water main between LaSalle and Wellington

Duration: 6 months Time frame: March to August

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Some work 7 days a week, from 7 a.m. to 7 p.m. with workers

on-site at 6:30 a.m.



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LaSalle closed Weekend of May 27 to 29

and nights beforehand

Partial demolition of Hwy 15 South overpasses and roadbed

Duration: 9 1/2 months Time frame: mid-March to December

Wellington closed Weekend of June 17 to 19

and nights beforehand



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Partial construction of overpasses Duration: 7 months

Time frame: June to November

Atwater closed One weekend in July

LaSalle closed One weekend in August

Wellington closed One weekend in September


Widening of Hwy 15 South between LaSalle and Wellington

Duration: 1 year with limited work from November to May

Time frame: May 2016 to June 2017

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• Drainage work • Earthwork • Retaining walls • Paving (spring 2017)




BEFORE

AFTER

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Reconfiguration of Atwater south interchange Duration: 1 year

Time frame: July 2016 to July 2017

AFTER



Reconfiguration of Gaétan-Laberge Blvd. Duration: 12 months

Time frame: July 2016 to July 2017

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Chosen Rerouting Scenario: Gaétan-Laberge Area

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Access ramp to Hwy 15 North

Presentation of traffic control and management plan 2016 – March 29, 2016 (CIGC)

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Closure of Exit 60 on Hwy 15 North: July 2016 to July 2017


Closure of Exit 60 on Hwy 15 North "Verdun / Wellington St."

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Closure of Exit 60 on Hwy 15 North


Detour by Atwater

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Key Work – Current and Upcoming Île-des-Soeurs

Design and planning in progress so modifications are possible


Île-des-Soeurs

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Objective: Construction of the new Champlain Bridge's western approach, new Nuns' Island Bridge and the road connecting them

Current and upcoming work:

• Construction of new Nuns' Island Bridge's southbound lane • Reconfiguration of overpass adjoining new Nun’s Island Bridge • Construction of the new Champlain Bridge's western approach

Approach: • Daytime work especially when impact is major (e.g. noise level)

• Nighttime work when impact on daytime traffic is too significant

• Weekend work when necessary


Work and Impacts: Île-des-Soeurs

Construction of new Île-des-Sœurs Bridge Duration: 19 months

Time frame: March 2016 to September 2017

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• Pile caisson drilling and concreting (under way) • Piers and pier caps • Superstructure


Reconfiguration works of the overpass Duration: 6 months

Time frame: April 2016 to September 2017

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Ile-des-Sœurs blvd. closure under A15

Weekend of June 3 to 5 June and nights before

hand


Rerouting Scenario: May 30 to June 6, 2015

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Nov 2015

May Nov 2016

May Nov 2017

Nov 2018

May

Prefabrication and preassembly

Marine excavation

Installation of footings

Installation of piers and pier caps

Assembly of superstructure and deck

Finishing work

Work and Impacts: Western Approach

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Feb 2016

Aug Feb 2017

Aug Feb 2018

Aug


West jetty: Prefabrication and Preassembly Facilities

30 30 30


Footing and Initial Section of Concrete Pier

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Initial section of concrete pier (Stage 2)

Concrete footing (Stage 1)

Work platform (Stage 3)


Marine excavation

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Installation of footings

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Installation of Piers, Pier Caps, Superstructure and Deck

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New Champlain Bridge Corridor Project 35

Peak Periods on the River: Western approach

• "Non-standard" pieces of equipment = 6 Marine excavation barge = 1

Industrial catamaran = 1

Barge crane (with high lifting capacity) = 2

Barge crane (with standard lifting capacity) = 2

• Other barges for transportation and services = 12 to 14

• Tugs = 5 to 8

• Worker commute vessels = 4

• Patrol boats = 2


Expected Impacts


Expected Impacts

• Noise

• Air quality

• Traffic

• Water traffic

• Vibrations

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M1: Sud-Ouest / Argenson M2: Sud-Ouest / Butler and Charlevoix M3: Verdun I1: Sax I2: Pointe-Nord I3: Cours des Fougères

Noise Management Ambient Noise Level (May 2015)/Estimated (Mar 2016

Area

Activity

Time Exposed Sensitive

Area

Ambient Noise dBA

Criterion dBA

Estimated Noise dBA

Measures Required D / E / N

Land

Partial demolition of overpasses D M1 / M2 66 / 64 75 69 / 65 No D M3 61 75 83 Yes

Collection of debris E / N M3 60 / 59 65 / 64 TBD TBD

Road demolition D M2 64 75 66 No D M3 61 75 87 Yes

Construction of overpasses D M1 / M2 66 / 64 75 69 / 65 No D M3 61 75 83 Yes

Widening preparation work D M2 64 75 66 No M3 61 75 87 Yes

Relocation of water mains D M3 61 75 90 Yes


M1: Sud-Ouest / Argenson M2: Sud-Ouest / Butler and Charlevoix M3: Verdun I1: Sax I2: Pointe-Nord I3: Cours des Fougères

Noise Management Ambient Noise Level (May 2015)/Estimated (Mar 2016)

Area

Activity

Time Exposed Sensitive

Area

Ambient Noise dBA

Criterion dBA

Estimated Noise dBA

Measures Required D / E / N

Nun

s' Is

land

West Jetty – Prefabrication of footings

D I2 / I3

64 / 57 75 64 Monitoring required E 59 / 52 64 / 57 60

N 57 / 52 62 / 57 58 Construction of new Nuns' Island

Bridge D I1 57 75 63 No

Overpass reconfiguration work D I1 57 75 68 No


Air Quality Management

• Four stations for air quality readings

• No expected impact on sensitive areas

• Monitoring to be done mainly for demolition and earthwork • Dust allayed with water canons • Use of dust control liquid

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Traffic

• Narrowing of lanes and reconfiguration of Hwy 15 route

• Closures for one weekend Atwater: July LaSalle: May 27 to 29 + August Wellington: June 17 to 19 + September Gaétan-Laberge: July Ile-des-Soeurs: June 3 to 5

• Major changes to drivers' habits as of July 2016 in the Gaétan-Laberge area

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Water traffic

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• Information meeting: May 19

• General notice issued

• Poster

• Notice on the project Web site

• Nautical notice


Vibration Management

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• Ongoing monitoring with seismograph in key sensitive areas If criteria set and adapted to infrastructures in question are exceeded, a warning is received and work methods are adjusted to meet the criteria

• Protective cushions used at times to dampen debris impact

shocks during demolition

• Visual assessment prior to construction and re-assessment afterwards


Complaint Management (April 7 to May 24, 2016)

Topic

Area

Total Atwater / LaSalle Gaétan-Laberge / Wellington Nuns' Island

Closed Open Total Closed Open Total Closed Open Total

Noise 4 2 6 - 1 1 3 - 3 10

Air quality 1 - 1 - - - - - - 1

Traffic - - - - - - - -

Vibrations 2 - 2 - - - - - - 2

Brightness - - - - - - - - -

Other 3 2 5 1 - 1 2 - 2 8

Total 10 4 14 1 1 2 5 0 5 21

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Community Relations


● Approach We are mindful of the well-being of the people who live and work nearby

We count on upstream communication to help ensure healthy cooperation and coordination

● Public information meetings: once a year

Ile-des-Sœurs : June 8 and November 5, 2015

Verdun / South-West: September 14, 2015

● Good neighbourly relations committees: every 2 months November 26, 2015

February 3, 2016

April 7, 2016

To come: June 15, 2016, and September 2016

Community Relations

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Annual meeting May 25, 2016


● Website: www.newchamplain.ca

● Newsletter: sign up online

● Email: [email protected]

● 24/7 phone line: 514-876-1020

Contact Us

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@nouv_champlain

http://www.newchamplain.ca/

mailto:[email protected]

public information meeting - verdu - may 25, 2016

Engineering