Metrolinx Technical Standards
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PUBLICATION NEWS
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. |
November 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
November 27, 2024 | Radio Equipment Installation Standard for Coverage Enhancements | MX-STC-STD-005 | 00 | Requirements for radio equipment installation for coverage enhancement inside buildings and tunnels. |
November 15, 2024 | Ground Disturbance Permit | MX-TRK-FRM-001 | 01 | A permit required prior to any ground disturbance works within Metrolinx ROW. |
November 15, 2024 | Ground Disturbance Works FAQ | UNASSIGNED-014 | 01 | Additional questions included in the FAQ as well as guidelines added to Table 1 on renewal/extension of permits. |
November 12, 2024 | Deviation Request Form | MX-EST-FRM-005 | 03 | Form to request a deviation from a Metrolinx Standard. |
November 12, 2024 | Notice of Deviation Form | MX-EST-FRM-006 | 05 | Form to provide approval/rejection to a deviation request. |
November 8, 2024 | Sigma Ticket Vending Machine (S-TVM) Standard | MX-PYM-STD-004 | 00 | Provides PRESTO Add Value Machine (AVM) Design/Construction Requirements for GO/UP Projects. |
November 8, 2024 | Add Value Machine (AVM) Standard | MX-PYM-STD-001 | 00 | Provides Station Fare Transaction Processor/SFTP Design/Construction Requirements for GO/UP Projects. |
November 8, 2024 | Station Fare Transaction Processor (SFTP) Standard | MX-PYM-STD-002 | 00 | Provides PRESTO Station Point of Sale (SPOS) Design/Construction Requirements for GO/UP Projects. |
November 8, 2024 | Station Point of Sale (SPOS) Standard | MX-PYM-STD-003 | 00 | Provides Sigma Ticket Vending Machine (S-TVM) Design/Construction Requirements for GO/UP Projects. |
October 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
October 4, 2024 | Metrolinx Welding Manual | RC-0506-02TRK-01 | 01 | Requirements for cutting, welding, grinding, and repairing rail and special trackwork components. |
October 4, 2024 | Timber Tie Specification | 34 11 33.2 | 00 | Requirements for the production of timber ties. |
September 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
September 25, 2024 | Metrolinx Rail Corridor Asset Handover Protocol | RC-0503-01 | 03 | Outlines the processes for conducting in-service/handover inspections on heavy rail systems |
September 25, 2024 | Metrolinx Rail Corridor Asset Handover Protocol Rev 03 Errata | RC-0503-01 Rev03 Errata | 03 | Information regarding Errata update made to the document. |
September 23, 2024 | Bus Facilities Asset Information and Data Dictionary | MX-ALM-STD-008 | 00 | A tool to capture asset information, as part of project handover, specific to Bus Facilities team. |
September 12, 2024 | In-Service Notification | RC-0503-01 E-1 | 03 | Use for notification when putting an asset in-service on heavy rail systems. |
September 12, 2024 | In-Service Certificate | RC-0503-01 E-2 | 03 | Use for conducting in-service inspections on heavy rail systems. |
September 12, 2024 | Handover Certificate | RC-0503-01 E-3 | 03 | Use for conducting handover inspections on heavy rail systems. |
September 3, 2024 | Universal Design Standard | DS-02 | 02 | Set of accessibility requirements to design customer-facing transit infrastructure across all modes |
August 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
August 21, 2024 | Structural Requirements for LRT and Subway Projects | Bulletin 03 | 00 | Structural requirements applicable to the design and construction of LRT and Subway Projects. |
July 2024
June 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
June 6, 2024 | Signals Sighting Standard | RC-0506-03SIG-04 | 02 | Defines location of bridge/cantilever, high/low mast signals. Ensures appropriate sighting distance. |
June 6, 2024 | Aluminum House Specification | 34 42 01 | 01 | Enclosure requirements for various types of wayside signal systems used for all weather conditions. |
May 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
May 29, 2024 | Metrolinx Rail Corridor Asset Handover Protocol | RC-0503-01 | 03 | Outlines the processes for conducting in-service/handover inspections on heavy rail systems |
May 7, 2024 | Thermite Welding Form | MX-TRK-FRM-003 | 01 | Updates have been made to the existing form based on findings from a rail break investigation. A critical task checklist has been appended to the form. |
May 7, 2024 | Work Plan Methodology Template | MX-TRK-FRM-002 | 01 | The Work Plan Methodology Template is the standard form to be used by Contractors when submitting proposed work methodologies on Metrolinx property, specifically for work potentially affecting track structure, signals assets, or operational impacts. |