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Metrolinx Technical Standards

PUBLICATION NEWS

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November 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

November 27, 2025

Metrolinx Mechanical Design Checklist

20 05 01 

00

Mechanical design review checklist for varoius mechanical system inlcluding reports and drawings

November 27, 2025

Mechanical Work General Instructions 

20 05 05

02

Specifies requirements that are common to Mechanical Divisions work (For GO Projects) 

November 27, 2025

Basic Mechanical Materials and Methods 

20 05 10

01

Provides basic mechanical materials, work methods, characteristics and execution (For GO Projects) 

November 27, 2025

Mechanical Insulation 

20 05 25

02

Provides mechanical insulation products (For GO Projects) 

November 27, 2025

Demolition and Revision Work 

20 05 35

01

Provides demolition and revision work as required and specified

November 27, 2025

Testing, Adjusting and Balancing

20 05 50

01

Provides the requirements for testing, adjusting, and balancing (TAB) work to equipment and systems 

November 27, 2025

Firestopping and Smoke Seal Systems

20 05 55

01

Provides the requirements for the Firestopping and smoke seal systems

November 27, 2025

Fire Protection Standpipe System

21 12 00

01

Provides the requirements for the fire protection standpipe system

November 27, 2025

Fire Extinguishers

21 20 05

01

Provides fire extinguishers design, products and execution requirements  

November 27, 2025

Clean Agent Fire Suppression System

21 22 00

02

Provides clean agent Fire Suppression System (FSS) design, products and execution requirements  

November 27, 2025

Domestic Water Piping and Specialties

22 11 00

02

Provides domestic water piping and specialties design, products and execution requirements  

November 27, 2025

Drainage and Vent Piping and Specialties 

22 13 00

03

Provides drainage and vent piping and specialties design, products and execution requirements  

November 27, 2025

Plumbing Fixtures

22 42 00

04

Provides plumbing fixtures and trim design, products and Installation requirements  

November 27, 2025

Fuel Oil System 

23 11 13

01

Provides diesel generator fuel oil systems design, products and execution requirements

November 27, 2025

Natural Gas Piping System 

23 11 23

03

Provides natural gas piping requirements including design, products and execution

November 27, 2025

HVAC Piping and Pumps 

23 20 00

03

Specifies contractor requirements to provide HVAC
piping and pumps 

November 27, 2025

Hydronic Radiant Floor Heating System

23 21 12

03

Provides hydronic radiant floor heating requirements including design, products and execution 

November 27, 2025

HVAC Water Treatment

23 25 00

02

Provides HVAC water treatment system requirements including design, products and execution

November 27, 2025

HVAC Air Distribution

23 30 00

01

Provides HVAC air distribution equipment requirements including design, products and execution

November 27, 2025

Flue Gas Vents

23 51 23

01

Provides flue gas vents requirements including design, products and execution

November 27, 2025

Condensing Hot Water Boilers

23 52 22

01

Provides condensing hot water boilers requirements including design, products and execution

November 27, 2025

Rooftop Air Conditioning Unit

23 74 17

03

Provides rooftop air conditioning equipment requirements including design, products and execution

November 27, 2025

Custom Made Air Handling Units

23 75 00

02

Provides custom made air handling units requirements including design, products and execution 

November 27, 2025

Split Type Air to Air Heat Pumps

23 81 26

02

Provides split type air to air heat pumps requirements including design, products and execution 

November 27, 2025

Electric Heating Cable and Control 

23 83 13

02

Provides electric heating cable and control requirements including design, products and execution 

November 27, 2025

Mechanical Work Commissioning

20 05 40

01

Provides the commissioning requirements and plan including consultant, CxA involvement and duties

November 27, 2025

Fire Protection Sprinkler System

21 13 00

04

Specifies the requirements to provide fire protection sprinkler system.

November 27, 2025

Wall Hung Condensing Hot Water Boilers 

23 52 19

02

Provides wall hung condensing hot water boilers for radiant floor heating system

November 27, 2025

Near Condensing Hot Water Boilers

23 52 23

02

Provides near condensing hot water boilers for snow melting applications

November 27, 2025

GO Station Architecture Design Standard

MX-FAE-STD-A004

02

This Standard provides design requirements for Station Building and Platform Architectural Design.

November 27, 2025

Subway Station Architecture Design Standard

MX-FAE-STD-A009 

02

Provide requirements and guidance for the delivery of sustainable stations and facilties

November 27, 2025

Facilities Civil Engineering and Building Envelope Standard - General

MX-FAE-STD-C001

00

Framework for applying Facilities Civil Engineering and Building Envelope Standards.

November 27, 2025

Facilities Civil Engineering Standard - Wastewater Systems  

MX-FAE-STD-C002

00

Design requirements for wastewater/sanitary collection and conveyance systems.

November 27, 2025

Facilities Civil Engineering Standard - Water Supply Systems 

MX-FAE-STD-C003

00

Design requirements for water supply and fire protection systems at facilities.

November 27, 2025

Facilities Civil Engineering Standard - Stormwater Systems

MX-FAE-STD-C004

00

Design requirements for drainage and stormwater management systems.

November 2025 (Continued)

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

November 27, 2025

Facilities Civil Engineering Standard -Pavement Structures 

MX-FAE-STD-C005

00

Design requirements for roadway and pavement structure design and performance.

November 27, 2025

Facilities Civil Engineering Standard - Site Elements 

MX-FAE-STD-C006

00

Requirements for site safety and protective structural elements.

November 27, 2025

Facilities Civil Engineering Standard -Pavement Markings 

MX-FAE-STD-C007

00

Design requirements for pavement markings at roads, lots, and pedestrian areas.

November 27, 2025

Facilities Civil Engineering Standard - Swept Path Analysis 

MX-FAE-STD-C008

00

Requirements for analyzing vehicle movement paths to ensure safe maneuvering.

November 27, 2025

Facilities Building Envelope Standard - Waterproofing

MX-FAE-STD-C009

00

Design requirements for waterproofing building and facility structures.

November 27, 2025

Facilities Building Envelope Standard –
Enclosed Pedestrian Bridges

MX-FAE-STD-C010

00

Design requirements for design of enclosed pedestrian bridges at facilities.

November 27, 2025

Facilities Building Envelope Standard -
Low-Slope Roofing

MX-FAE-STD-C011

00

Design requirements for low-slope roofing systems in new construction.

November 27, 2025

Electrical General Requirement

26 05 00

02

Labour, products, equipment, and services necessary for electrical general requirements work

November 27, 2025

Electrical Conductors and Cables

26 05 21 

03

Labor, products, equipment, and services necessary for wires and cables 0 - 1000 V Work

November 27, 2025

Splitter Boxes, Junction Boxes, and Pullboxes and Cabinets,

26 05 31

02

Labour, products, equipment, services necessary for splitters, junction boxes, pullboxes, cabinets

November 27, 2025

Sample Single Line Diagram (1/3)

165-SER-E-1001

01

Sample Single Line Diagram - 1

November 27, 2025

Electrical Identification and Nomenclature

26 05 53 

02

Identification of all the components for electrical and communications systems.

November 27, 2025

Low Voltage Switchgears

26 23 00

02

Labour, products, equipment, and services necessary for switchboards and panelboards

November 27, 2025

Motor Control Centres

26 24 19

02

Labour, products, equipment, and services necessary for Motor Control Centre (MCC) work

November 27, 2025

Switchboards and Panelboards

26 24 13

02

Labour, Products, equipment, and services necessary for Plugs and Receptacles Work

November 27, 2025

Electrical Receptacles and Plugs

26 27 26

02

Labour, Products, equipment, and services necessary for Plugs and Receptacles Work

November 27, 2025

Disconnect Switches

26 28 23

02

Labour, products, equipment, and services necessary for disconnect switches Work.

November 27, 2025

Motor Starters and Contactors

26 29 10

02

Labor, Products, equipment, tools, supervision and services necessary for motor starter work 

November 27, 2025

Backup Power Supply Generator

26 32 00

02

Labour, products, equipment, and services necessary for backup power supply generator work

November 27, 2025

Uninterruptible Power Supply 

26 33 53

02

Design, labor, products, equipment, tools, supervision, and services necessary for UPS Work

November 27, 2025

Transfer Switch

26 36 23

02

Labour, products, equipment, services necessary for both Manual and Automatic Transfer Switchs

November 27, 2025

Outdoor Load Bank Specification

26 37 00

02

Design, labor, products, equipment, tools, supervision, services necessary for Outdoor Load Bank

November 27, 2025

Variable Speed Drives

26 29 23

00

Labor, Products, equipment, tools, supervision, and services necessary for variable speed drives 

November 27, 2025

3m Light/PA Pole – Elevation and Details

LS 03-001

01

3m Light/PA Pole – Elevation and Details

November 27, 2025

3m Digital Screen Pole – Elevation and Details

LS 03-001.2

00

3m Digital Screen Pole – Elevation and Details (New) 

November 27, 2025

3m Light/PA Pole – Base Plate Covers and Wiring Details

LS 03-002

01

3m Light/PA Pole – Base Plate Covers and Wiring Details

November 27, 2025

Sample Single Line Diagram (2/3)

165-SER-E-1002

01

Sample Single Line Diagram - 2

November 27, 2025

Sample Electrical Room Layout – Legend and Notes (1/2)

165-SER-E-2001A

01

Sample Electrical Room Layout – Legend and Notes - Sheet 1 of 2

November 27, 2025

Sample Electrical Room Layout Plan and Elevations (2/2)

165-SER-E-2001B

01

Sample Electrical Room Layout Plan and Elevations - Sheet 2 of 2

November 27, 2025

Sample Communication Room Layout - Notes and Legend 

165-SER-E-2002A

01

Sample Communication Room Layout - Notes and Legend - Sheet 1 of 2

November 27, 2025

Sample Communication Room Layout - Floor Plan and Reflected Ceiling Plan

165-SER-E-2002B

01

Sample Communication Room Layout - Floor Plan and Reflected Ceiling Plan - Sheet 2 of 2

November 27, 2025

Sample Mini-Hub/Platform Communication Room - Layout and Ceiling Plan

165-SER-E-2003

01

Sample Mini-Hub/Platform Communication Room Layout - Room Layout and Ceiling Plan

November 27, 2025

Sample Electrical Trench Details (1/2)

165-SER-E-5001

01

Sample Electrical Trench Details - 1 of 2

November 27, 2025

Communication Infrastructure – Mini-Hub Rooms

165-SER-E-2004 

02

Communication Infrastructure – Mini-Hub Rooms

November 27, 2025

Sample Electrical Trench Details (2/2)

165-SER-E-5002

01

Sample Electrical Trench Details - 2 of 2

November 27, 2025

Raceway for Electrical Systems

26 05 34

01

Labour, products, equipment and services necessary for raceway for electrical systems Work.

November 27, 2025

3m Digital Screen Pole – Base Plate Covers and Wiring Details

LS 03-002.2

00

3m Digital Screen Pole – Base Plate Covers and Wiring Details (New)

November 27, 2025

3m Light/PA Pole – Dimensions Reinforcements and Wobble Joint Details

LS 03-003

01

3m Light/PA Pole – Dimensions Reinforcements and Wobble Joint Details

November 27, 2025

3m Light/PA Pole - Setting Template and Base Mounting Detail

LS 03-004

01

3m Light/PA Pole - Setting Template and Base Mounting Detail

November 27, 2025

3m Digital Screen Pole – Setting Template and Base Mounting Detail

LS 03-004.2

00

3m Digital Screen Pole – Setting Template and Base Mounting Detail (New).

November 27, 2025

3m Light Pole-Hinged Pole-Standard Details

LS 03H-001

01

3m Light Pole-Hinged Pole-Standard Details

November 27, 2025

3m Light Pole-Hinged Pole-Winch Assembly

LS 03H-003

01

3m Light Pole-Hinged Pole-Winch Assembly

November 27, 2025

3m Light Pole-Hinged Pole-Foundation Details

LS 03H-004

01

3m Light Pole-Hinged Pole-Foundation Details

November 27, 2025

3m Light Pole-Hinged Pole-Anchoring Details and Wiring Diagrams

LS 03H-005

01

3m Light Pole-Hinged Pole-Anchoring Details and Wiring Diagrams

November 27, 2025

6m Light/PA Pole – Elevation and Details

LS 06-001

05

6m Light/PA Pole – Elevation and Details-

November 27, 2025

6m Light/PA Pole – Base Plate - Cover and Wiring Details

LS 06-002

04

6m Light/PA Pole – Base Plate - Cover and Wiring Details

November 27, 2025

6m Light/PA Pole – Dimensions - Reinforcement & Wobble Details

LS 06-003

02

6m Light/PA Pole – Dimensions - Reinforcement & Wobble Details

November 27, 2025

6m CCTV Pole Elevation and Details

LS 06-001.1

01

6m CCTV Pole Elevation and Details

November 27, 2025

 6m Light/PA Pole – Setting Template and Base Mounting Detail

LS 06-004

02

 6m Light/PA Pole – Setting Template and Base Mounting Detail

November 27, 2025

6m CCTV Pole Dimensions Reinforcements and Wobble Joint Details

LS 06-003.1

01

6m CCTV Pole Dimensions Reinforcements and Wobble Joint Details

November 27, 2025

6m Light/Signage Standard – Hinged Pole Standard Details

LS 06H-001

03

6m Light/Signage Standard – Hinged Pole Standard Details

November 27, 2025

6m CCTV Hinged Pole Standard Detail

LS 06H-001.1

03

6m CCTV Hinged Pole Standard Detail

November 27, 2025

6m CCTV Pole Setting Template and Base Mounting Detail

LS 06-004.1

01

6m CCTV Pole Setting Template and Base Mounting Detail

November 27, 2025

6m Light Standard - Hinged Pole-Winch Assembly

LS 06H-003

03

6m Light Standard - Hinged Pole-Winch Assembly

November 27, 2025

6m Light Standard - Hinged Pole - Anchoring Details

LS 06H-005

02

6m Light Standard - Hinged Pole - Anchoring Details

November 27, 2025

6m Light Standard-Hinged Pole – Wiring Diagram

LS 06H-006

00

6m Light Standard-Hinged Pole – Wiring Diagram (New)

November 27, 2025

12m Light Pole-Elevation and Details 

LS 12-001

04

12m Light Pole-Elevation and Details 

November 27, 2025

12m Light Pole-Base Plate - Cover and Wiring Details

LS 12-002

02

12m Light Pole-Base Plate - Cover and Wiring Details

November 27, 2025

12m Light Pole-Anchorage Base Mounting and Wiring Diagram

LS 12-003

02

12m Light Pole-Anchorage Base Mounting and Wiring Diagram

November 27, 2025

30m Light Pole- Assembly Detail

LS 30-001

03

30m Light Pole- Assembly Detail

November 27, 2025

30m Light Pole-Conc. Foundation Dimensions & Reinforcing Details

LS 30-004

03

30m Light Pole-Conc. Foundation Dimensions & Reinforcing Details

November 27, 2025

30m Light Pole Wiring Diagram

LS 30-006

04

30m Light Pole Wiring Diagram

November 27, 2025

GO Design Requirements Manual

MX-FAE-STD-X001

00

Design and engineering requirements for GO stations, terminals, and facilities.

November 25, 2025

Master Information Delivery Plan Template (MIDP)

MX-ALM-TMP-002

05

To list asset documents handed over for Capital Projects using ISO19650 compliant naming convention.

October 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

October 20, 2025

GTS-3004 and GTS-3006 Errata

ERR-288 Drawings

00

Errata for GTS drawings 3004 & 3006

October 20, 2025

Continuous Work Zone Fencing with Temporary Concrete Barriers

GTS-3006

01

Demonstrates the offset requirements for CWZ on our network

October 20, 2025

Track Clearance Design Guideline Rail Platforms on Curved Track

GTS-3004

01

Demonstrates the required platform offsets through limits of a curve

October 14, 2025

Payments (PRESTO) Service Design Standard

MX-PYM-STD-005

00

Information on PRESTO fare payment devices and other features to inform transit environment design.

September 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

September 23, 2025

Civil Asset Information and Data Dictionary

MX-ALM-DIC-001

03

Updated the custom fields for Culverts and Bridge Type Culverts to include meters.

September 23, 2025

Track Asset Information and Data Dictionary

MX-ALM-DIC-003

06

Changed the custom field codes for Drainage assets and included custom fields to include values in meters.

September 23, 2025

Master Information Delivery Template

MX-ALM-TMP-002

04

To list asset documents handed over for Capital Projects using ISO19650 compliant naming convention

September 10, 2025

RAMS Process Standard

MX-SEA-STD-100

00

Standard has been rescinded.

August 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

August 29, 2025

Competency Management Procedure: TIG/MORB

RC-0406-08-01

00

Initial Standard Release

August 28, 2025

Threshold Sign Updates (Design Bulletin)

DSB-001

00

Updates to DS-03 Threshold Signs.

August 1, 2025

Signals & Communications Standards General Instructions

RC-0506-03SIG-01

02

Maintenance Standard for Signals & Communications infrastructure.

August 1, 2025

Inspection form for Hellfire SCD Systems

GI-611(a)-F

01

Inspection form for Hellfire SCD Systems

August 1, 2025

Inspection form for Fastrax® FEB E-HAB SCD Systems

GI-611(b)-F

01

Inspection form for Fastrax® FEB E-HAB SCD Systems

August 1, 2025

Inspection Form for Condor T4000

GI-612(a)-F

01

Inspection Form for Condor T4000

August 1, 2025

Inspection form for RECO Model 950 to 955 (LP-G or N-G) Systems

GI-613(a)-F

01

Inspection form for RECO Model 950 to 955 (LP-G or N-G) Systems

August 1, 2025

Inspection form for RECO Model 934 (E-HAB) Systems

GI-613(b)-F

01

Inspection form for RECO Model 934 (E-HAB) Systems

August 1, 2025

Inspection form for Rail & Crib Heater (Thermal Flex) Systems

GI-620(a)-F

01

Inspection form for Rail & Crib Heater (Thermal Flex) Systems

July 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

July 16, 2025

Track & Right of Way Asset Information and Data Dictionary

MX-ALM-DIC-003

05

Is a tool to capture asset data, as part of project handover, specific to Tracks team.

July 8, 2025

Network Access Planning Standard

MX-RCAC-STD-001

01

The processes for requesting Access and Track Protection within Metrolinx-owned territory.

June 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

June, 26 2025

Metrolinx CADD/BIM Standards Manual

MX-ALM-STD-004

04

Developing, maintaining, monitoring and controlling Mx design and construction information.

June, 26 2025

Metrolinx Level of Information Need Guide (BIM)

MX-ALM-GDC-001

00

Guidance to define detail, dimensions, location, behaviour, and reliability of model elements.

June, 26 2025

Metrolinx Asset Information Requirements (BIM)

MX-ALM-GDC-002

00

Guidance to help Consultants and Contractors produce and deliver the Asset Information.

June, 26 2025

Metrolinx Exchange Information Requirements (BIM)

MX-ALM-GDC-003

00

Guidance on information production, exchange requirements and processes for the Program/Project

June, 26 2025

Metrolinx BIM Execution Plan Template

MX-ALM-TMP-001

01

Template to provide ProjectCo/Consultant/Contractor with the minimum requirements for a BEP

May 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

May 22, 2025

Anti-Trespass Panels Specification

34 72 19

00

Information regarding an requirements for the Anti-Trespass Panels (ATP)

May 22, 2025

Fencing and Gates Specification

32 31 19

00

Information on the requirements for fencing, gates and associated fittings and hardware.

May 22, 2025

Signal Design Manual

RC-0506-03SIG-03

02

Signals & Communications Wayside Signalling System design guidelines and requirements.

May 16, 2025

Subway Station Architecture Design Standard

MX-FAE-STD-A009 (DS-09)

2.1

Architecture and urban design requirements for subway stations and customer-facing infrastructure

May 16, 2025

Codes of Practice

RC-0506-03SIG-02

02

Signals & Communications Standard Codes of Practice for installation and design.

May 15, 2025

GO & UP Fleet Radio Devices Installation Standard

MX-STC-STD-002

01

Standard ensures optimum conditions for safe radio operations. Easy reference for stakeholders.

May 8, 2025

Metrolinx Approved Track Ballast Suppliers

32 11 25.1

00

Metrolinx Approved Track Ballast Suppliers for Main and Yard Tracks

April 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

April 29, 2025

Metrolinx Track Standards (MTS) - Heavy Rail

RC-0506-02TRK

00

Contains requirements that Metrolinx heavy rail tracks are designed, constructed, and maintained to.

April 29, 2025

Metrolinx Track Standards - Heavy Rail Redline Markup

RC-0506-02TRK - Redline

00

Contains requirements that Metrolinx heavy rail tracks are designed, constructed, and maintained to.

April 29, 2025

Track Clearance Requirements (1/2)

GTS-3003

01

Demonstrates clearance envelopes for various situations throughout Metrolinx Network.

April 29, 2025

Track Clearance Requirements (2/2)

GTS-3003

01

Demonstrates clearance envelopes for various situations throughout Metrolinx Network.

April 29, 2025

Track Clearance Design Guideline

GTS-3004

01

Contains requirements for track spacing clearances and platform offset requirements through curves.

April 29, 2025

Track Clearance Design Guideline Rail Platforms on Curved Track

GTS-3004

00

Contains requirements for track spacing clearances for platforms located within curved track.

April 29, 2025

Construction Work Zone Fencing with Temporary Concrete Barriers

GTS-3006

00

Indicates fencing requirements for installation of TCBs for Continuous Work Zones.

April 29, 2025

Temporary Construction and Customer Experience for GO Facilities

MX-STS-STD-001

01

Design, planning and implementation requirements at GO Facilities during new/ temporary construction.

April 25, 2025

Asset Document Control List

MX-ALM-TMP-003

11

A template to plan for and capture a list of asset documents being handed over for Capital Projects

April 22, 2025

Grade Crossing Warning Systems Post Incident Checklist

SCP-0701-Form

01

Grade Crossing Warning System Post Incident Checklist

April 22, 2025

CGWS Deactivation Form

SCP-709-Form

01

Grade Crossing Warning System Deactivation form

April 22, 2025

WIS Maintenance & Inspection Test Card

SCP-901-Form

01

Wayside Inspection System maintenance and inspection test form

April 22, 2025

Service Test Form

SCP-1201-Form

00

Service Test Form

April 22, 2025

Switch Circuit Controller, Shunt Fouling, Switch Obstruction

SCP-1202_4-Form

00

Switch Circuit Controller, Shunt Fouling, Switch Obstruction test form

April 22, 2025

Interlocking Tests

SCP-1202_5-Form

00

Interlocking test form

April 22, 2025

Interlocking Tests - Mechanical Locking

SCP-1202_6-Form

00

Interlocking test - Mechanical Locking test form

April 22, 2025

VRLA/NICAD Battery C/8 Deep-Cycle Discharge Record

SCP-1205_B-Form

00

Battery Discharge record form

April 22, 2025

Highway Traffic - Grade Crossing Warning System Interconnection

SCP-1205_C-Form

01

Grade Crossing Warning System Interconnection form

April 22, 2025

In Service Notification

SCP-1208_1-Form

00

In-service Notification form

April 22, 2025

Record of Insulated Joint Inspections

SCP-1208_A&B-Form

00

Insulated Joint record of inspection form

April 22, 2025

Tasks Required for the Acceptance of the Signal System

SCP-1209-Form

00

Signal – Safety Assurance Installation & Commissioning Process Checklist

April 22, 2025

Signal Testing Certification Form

SCP-1209_1-Form

00

Signal Testing Certification Form

April 22, 2025

Staged Testing Certification Form

SCP-1209_2-Form

00

Staged Testing Certification Form

April 22, 2025

Signal Safety Assurance Check List

SCP-1209_3-Form

00

Signal Safety Assurance Check List

April 22, 2025

Signal Plan Transmittal Noice

SCP-1209_4-Form

00

Signal Plan Transmittal Noice

April 22, 2025

Grade Crossing Warning System Installation & Commissioning Form

SCP-1210-Form

00

Grade Crossing Warning System Safety Assurance Installation & Commissioning Process Check List

April 22, 2025

Grade Crossing Warning System Testing Certification Form

SCP-1210_1-Form

00

Grade Crossing Warning System Testing Certification Form

April 22, 2025

Grade Crossing Warning System Safety Assurance Checklist

SCP-1210_3-Form

01

Grade Crossing Warning System Safety Assurance Checklist

April 22, 2025

Grade Crossing Warning System Transmittal Notice

SCP-1210_4-Form

00

Grade Crossing Warning System Transmittal Notice

April 22, 2025

Road Crossing Train Movement Data

SCP-1210_5-Form

00

Road Crossing Train Movement Data

April 22, 2025

Road Crossing Inspection Data

SCP-1210_6-Form

00

Road Crossing Inspection Data

April 22, 2025

Grade Crossing Vehicular Traffic Data

SCP-1210_7-Form

00

Grade Crossing Vehicular Traffic Data

April 22, 2025

Grade Crossing Warning System - Light Unit Data

SCP-1210_9-Form

00

Grade Crossing Warning System - Light Unit Data

April 22, 2025

Inspection Audit Form for Grade Crossing Warning Systems

SCP-1250_1-Form

00

Inspection Audit Form for Grade Crossing Warning Systems

April 22, 2025

Inspection Audit Form for Wayside Signal Systems

SCP-1250_2-Form

00

Inspection Audit Form for Wayside Signal Systems

April 22, 2025

Inspection Audit Form for Wayside Inspection Systems

SCP-1250_3-Form

00

Inspection Audit Form for Wayside Inspection Systems

April 22, 2025

Inspection Audit Form for New Installations

SCP-1250_4-Form

00

Inspection Audit Form for New Installations

April 22, 2025

Power Clearance Form

SCP-1506_A-Form

00

Power Clearance Form

April 22, 2025

Order to Operate

SCP-1506_B-Form

00

Order to Operate

April 15, 2025

Metrolinx System Review Panel (SRP) Terms of Reference (ToR)

MX-SEA-TOR-001

01

Terms of Reference for all MX System Review Panels (SRP) and System Safety Review Panels (SSRP).

April 15, 2025

Front End Design Standard

DS-00

02

Architectural priorities, objectives, and design direction for station and facility asset design.

March 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

March 14, 2025

Glycol Solution Snow Melting System Specification

23 21 18

05

Class 3 Hydronic snow melting system design, supply and installation specification.

March 6, 2025

Refrigerant Updates

DRM R5 Bulletin 002

00

DRM-HVAC Refrigerant Requirements for Rooftop Air Conditioning Unit & Custom Made Air Handing Unit.

February 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

 February 21, 2025

Asset Information Handover Acceptance Certificate 

MX-ALM-FRM-001

03

Confirmation from Metrolinx Asset Owner(s) that Contractor provided all required Asset Information.

February 18, 2025

Standards Deviation Procedure

MX-EST-PRC-002

02

Procedure to deviate from mandatory Metrolinx Standards.

January 2025

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

January 31, 2025

Track Workers Radio Equipment and Communicaon Standard

MX-STC-STD-001

00

Standard to regulate and enforce safe radio communications for track works.

January 7, 2025

Electrification and Plant Asset Information and Data Dictionary

MX-ALM-DIC-007

00

A tool to capture asset data, as part of project handover, specific to electrification team.

January 2, 2025

Shared Stations Design Guideline

DGL-14

00

Provides the essential guidance for successful design and development of a Shared Station.

December 2024

DATE

TITLE

DOCUMENT NO.

REV. NO.

DESCRIPTION

December 19, 2024

Asset Information Handover Acceptance Certificate 

MX-ALM-FRM-001

03

A template to plan for and capture a list of asset documents being handed over for Capital Projects

December 19, 2024

Asset Document Control List Template (ADCL) 

MX-ALM-TMP-003

10

Confirmation from Metrolinx Asset Owner(s) that Contractor provided all required Asset Information.

December 19, 2024

Rail Facilities Asset Information and Data Dictionary 

MX-ALM-DIC-006

01

A tool to capture asset information, as part of project handover, specific to Rail Facilities.

December 19, 2024

Bus Facilities Asset Information and Data Dictionary

MX-ALM-DIC-005

01

A tool to capture asset information, as part of project handover, specific to Bus Facilities.

December 19, 2024

Station Facilities Asset Information and Data Dictionary 

MX-ALM-DIC-004

12

A tool to capture asset information, as part of project handover, specific to Station facilities.

December 19, 2024

Track Asset Information and Data Dictionary 

MX-ALM-DIC-003

03

A tool to capture asset information, as part of project handover, specific to Track team.

December 19, 2024

Signals Asset Information and Data Dictionary 

MX-ALM-DIC-002

02

A tool to capture asset information, as part of project handover, specific to Signals team.

December 19, 2024

Civil Asset Information and Data Dictionary 

MX-ALM-DIC-001

02

A tool to capture asset information, as part of project handover, specific to Civil team.

December 19, 2024

RCA (Root Cause Analysis) Process 

MX-ALM-STD-005

02

A process to investigate problems, finding root causes, corrective and preventative solutions 

December 19, 2024

FMECA (Failure Modes, Effects, and Criticality Analysis) 

MX-ALM-STD-003

02

A procedure to analyze potential or actual failure, its criticality and how to eliminate them

December 19, 2024

FRACAS (Failure Reporting, Analysis, & Corrective Action System) 

MX-ALM-STD-002

02

A system to report failures, perform analysis and identify and implement corrective actions.

December 19, 2024

Asset Information Standard Errata

ERR-282

00

Errata for Metrolinx Asset Information Standard 

December 19, 2024

Asset Information Standard 

MX-ALM-STD-001

02

Defines standards for consistent, accurate Metrolinx AIS to ensure reliable decision-making.

December 12, 2024

Preventative Measures for Voids Near Bridge Abutments 

ED-24-002

00

Preventative measures to avoid formation of voids new bridge abutments.

December 12, 2024

Defective Material 

ED-24-001

00

No Long-Forged Compromise Rails (manufactured Jul 2013 to Sept 2015) are to be installed or welded. 

December 11, 2024

Wayside LED Signal Module

34 42 02

01

Defines the technical requirements for Wayside Light Emitting Diode (LED) Signal Modules.

December 11, 2024

Hot Air Switch Clearing Device

34 42 05

01

Defines the requirements for the hot air Switch Clearing Device (SCD) at track switches.