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Mechanical Review Checklists  \nSeptember 2025 Page 1 of 6  \nMECHANICAL-DESIGN REVIEW CHECKLIST  \n\n| Project / Contract Title: |  | Contract Number |  |  |  |  |  |  | Consultant / Contractor |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  | R (x)-Required DWG – Drawing\u003Cbr>C (√)-Complete Report DBR– Design Brief\u003Cbr>N/A-Not Applicable REQ-Requirements | Concept |  | Preliminary Design |  | Detailed\u003Cbr>Design |  | Final Design |  | Issued For Construction |  | Comments |\n| No\u003Cbr>Design Requirements and Drawings Description |  | 25% |  | 50% |  | 75% |  | 100% |  | IFC |  |  |\n|  |  | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) |  |\n| 1.0 | Design Report & General Drawings |  |  |  |  |  |  |  |  |  |  |  |\n| The following are correctly noted in the Design Brief Report and General Drawings and comply with the contractual requirements. |  |  |  |  |  |  |  |  |  |  |  |  |\n| 1.1 | Existing facility drawings and limits of work (DWG) | x | | x | | x | | x | | x | |  |\n| 1.2 | Site survey, existing services, constraints and conditions (DWG) | x | | x | | x | | x | | x | |  |\n| 1.3 | Specification’s outline (List of Specifications tobe provided) | x | | x | | x | | x | | x | |  |\n| 1.4 | Specification sections edited to suit contract |  | | x | | x | | x | | x | |  |\n| 1.5 | \"Drawing List\" (DWG) | x | | x | | x | | x | | x | |  |\n| 1.6 | Project-specific exceptions to Metrolinx Standards (DBR) |  | | x | | x | | x | | x | |  |\n| 1.7 | Design Brief Report (DBR) | x | | x | | x | | x | | x | |  |\n| 1.8 | Drawings scales and scale bar (DWG) |  | | x | | x | | x | | x | |  |\n| 1.9 | Key Plans, General Notes and Legend (DWG) | x | | x | | x | | x | | x | |  |\n| 1.10 | Project phasing and design and/or construction stages (DWG) |  | | x | | x | | x | | x | |  |\n| 1.11 | Review of relevant Metrolinx DRM standards for compliances | x | | x | | x | | x | | x | |  |\n| 1.12 | Comments from previous submissions are addressed (DWG & DBR) |  | | x | | x | | x | | x | |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 2.0 | Mechanical Drawings | 25% |  | 50% |  | 75% |  | 100% |  | IFC |  | Comments |\n|  |  | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) |  |\n| The following items shall be included on the Mechanical Drawings and comply with the following design requirements. |  |  |  |  |  |  |  |  |  |  |  |  |\n| 2.1 | Elevations of floors and proposed floor slopes shown | x | | x | | x | | x | | x | |  |\n| 2.2 | Compilation of all buried and/or embedded services shown | x | | x | | x | | x | | x | |  |\n| 2.3 | Provision for maintenance access for equipment identified and shown |  | | x | | x | | x | | x | |  |\n| 2.4 | Coordination with other disciplines |  | | x | | x | | x | | x | |  |\n| 2.5 | Schedules edited to suit contract |  | | x | | x | | x | | x | |  |\n| 2.6 | Hazard classification drawing key plan shown |  | | x | | x | | x | | x | |  |\n| 2.7 | Schematic diagrams of all mechanical systems | x | | x | | x | | x | | x | |  |\n| 2.8 | Applicable Schedules edited to suit final design |  | | x | | x | | x | | x | |  |\n| 2.9 | Mechanical room layouts, including elevations shown | x | | x | | x | | x | | x | |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n\nMetrolinx Section 20 05 01  \nTechnical Master Specification Mechanical Review Checklists  \nSeptember 2025 Page 2 of 6  \n\n| 3.0 | Water Piping | 25% |  | 50% |  | 75% |  | 100% |  | IFC |  | Comments |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) | R (x) | C (√) |  |\n| The following Water Piping Details are included and comply with the following design requirements. |  |  |  |  |  |  |  |  |  |  |  |  |\n| 3.1 | Available water pressure and capacity verified and shown |  | | x | | x | | x ","cbCaiq4GRZRjKa09","https://ap.wps.com/l/cbCaiq4GRZRjKa09","pdf",207567,"English","# Mechanical-Design Review Checklist\n## Design Report & General Drawings\n## Mechanical Drawings\n## Water Piping","[{\"question\":\"What does the checklist use to track progress from concept to IFC?\",\"answer\":\"It uses required drawings/report status marked as R (x) and complete report marked as C (√), aligned to milestone columns such as 25%, 50%, 75%, 100%, and IFC.\"},{\"question\":\"Which items are covered under “Design Report \\u0026 General Drawings”?\",\"answer\":\"It includes existing facility drawings and work limits, site survey and constraints, specification outline, edited specifications for the contract, drawing list, DBR exceptions, DBR report requirements, drawing scales, key plans and legends, design/construction phasing, relevant Metrolinx standards review, and responses to prior comments.\"},{\"question\":\"What water piping details does the checklist 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