rÉseau Électrique mÉtropolitain...réseau électrique métropolitain improvements made – march...

RÉSEAU ÉLECTRIQUEMÉTROPOLITAINInformation session

on the Town of Mont-Royal soundscape

> June 2017

Subsidiary of Caisse de dépôt et placement du Québec

Réseau électrique métropolitain

AGENDA

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> Update on the project> Conditions of the environmental decree regarding the

soundscape> Soundscape study results> Next steps> Communication with citizens> Question period

UPDATE ON THE OVERALL PROJECT


IMPROVEMENTS MADE – NOVEMBER 2016

> Three new downtown Montréal stations announced to improve the REM’s integration

NEW STATIONS

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IMPROVEMENTS MADE – MARCH 2017

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> Maximum capacity observed for the central section: 21,000 passengers between 6:30 a.m. and 9:30 a.m.

> Minimum capacity of the REM: 43,000 passengersbetween 6:30 a.m. and 9:30 a.m.

+22,200 passengers at peak times

CONDITIONS OF THE ENVIRONMENTAL DECREE


WHAT CONDITIONS NEED TO BE MET?

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Condition 6: Monitor the soundscape once the REM is in operationObligation:> Carry out sound surveys during the summer, at year 1, 5 and 10 of the REM’s operation.

Objective:> Validate evaluations that have been carried out by modelling > Implement mitigation measures when significant impacts are measured for noise sensitive

receptors based on the approach used by the Ministère des Transports, de la Mobilitédurable et de l’Électrification des transports to assess noise impact

Réseau électrique métropolitain7

Condition 16: Dissemination of monitoring and control programs

CDPQ Infra will release an annual report on its monitoring and control activities provided for in the decree by publishing it on its website.

WHAT CONDITIONS NEED TO BE MET?

SOUNDSCAPE STUDY RESULTS


WHAT METHODOLOGY IS USED?

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Complies with:> the MTMDET’s specifications on the noise impact

studies> the MDDELCC’s expectations

Field measurements

Reference modelCurrent soundscape

calibration (2016)REM predictions

(2021–2031)Impact

analysis


> Survey period: July to September 2016 > Installation: ≈ 2.5 m from the ground> Measurement period: at least 48 hours> Recording: every second> Instrument calibration prior to each measurement period

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HOW ARE FIELD MEASUREMENTS TAKEN?


Model adjusted to include:>Removal of noise made by the Deux-Montagnes commuter train>Noise made by the REM, similar to that of the Canada Line in Vancouver>Noise from stationary sources: electric stations, ventilation in the stations >Results of modelling at 1.5 and 5.0 m high, and at every 3 m for multi-

storey buildings>Expected frequency of the REM 2031 FREQUENCY 2031

Peak times 2 min

Off-peak times 6 min

HOW IS NOISE MADE BY THE REM MODELLED?

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HOW ARE IMPACTS ANALYZED?

Impact analysis:>Compilation of the

increase of the Leq,24h along the REM route

>Comparison with the MTMDET’s grid

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SOUNDSCAPE - REM (2031) – FULL CAPACITY

Sensible zone

LEGEND

Réseau électrique métropolitain18Sensible zone

LEGEND

SOUNDSCAPE - REM (2031) – FULL CAPACITY WITH MITIGATION


WHAT HAPPENS ONCE THE CONTRACT IS AWARDED?

The contractor must conduct modelling according to its detailed engineering and provide for mitigation measures when there are significant impacts to noise sensitive receptors


WHAT ARE THE MAIN CONCLUSIONS?

The noise impact on the Town of Mont-Royal will be low:> Although trains on the Deux-Montagnes branch will run more frequently,

they will be lighter and shorter> Modelling was performed with assumptions that are conservative> The contractor will have to perform a noise modelling study, taken into

account its detailed engineering> Sensitive areas experiencing significant noise impact will benefit from

noise mitigation> Soundscape monitoring will have to be performed during operation

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NEXT STEPS


NEXT STEPS

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> Awarding of contracts (fall 2017)

> Beginning of the design & construction (fall 2017)

> Operation of first trains (end of 2020)

COMMUNICATION WITH CITIZENS


COMMUNICATION DURING WORK

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Objectives:

> Inform the public of the status of the project and the work as they progress

> Implement a diversified range of tools aimed at maintaining active, regular and transparent communication with groups and citizens throughout the project’s various steps


Public information meetings

WebsiteSocial media

Telephone line and inbox

Information bulletins

Work noticesEmail/text alert

Neighbourhood committee

Community relations office

COMMUNICATION DURING WORK


QUESTION PERIOD

FOR MORE ON THE PROJECTCDPQINFRA.COM

cdpqinfra.comSubsidiary of Caisse de dépôt et placement du Québec

rÉseau Électrique mÉtropolitain...réseau électrique métropolitain improvements made – march...

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