Renovation permit
900 BAY ST
Toronto , Ontario
- Issued
- Issued Jan 22, 2026
- Project type
- Renovation
- Status
- Completed
Activity at this address
405 permits since 1995
Most recent activity: Apr 2026
This permit is one of 405 permits filed at this address.
Revision history
18 revisions on file · 2021–2026
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Closed Rev 18 Issued Jan 22, 2026
Rev 18 - Revision to Mowat tower Fire Separation at Elevator Lobby - Typical floor(s) from not being rated to a 0hr rating as indicated/ bubbled. Level 3 to 24. See also attached code report for ratio… Read full revision note Show less
Rev 18 - Revision to Mowat tower Fire Separation at Elevator Lobby - Typical floor(s) from not being rated to a 0hr rating as indicated/ bubbled. Level 3 to 24. See also attached code report for rational. Revision 17: Revision to current permit - see code report and cover letter for details
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Closed Rev 17 Issued Aug 26, 2025
Revision: Revision to current permit - see code report and cover letter for details
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Closed Rev 16 Issued Apr 28, 2025
Revision: Additional demo scope to facilitate elevator entrance replacement on Ferg B1, Mowat L3 and Hep L3 & L4., Additional Demo scope on Hearst L5 & 8 and -Fire separation removed at ground floor e… Read full revision note Show less
Revision: Additional demo scope to facilitate elevator entrance replacement on Ferg B1, Mowat L3 and Hep L3 & L4., Additional Demo scope on Hearst L5 & 8 and -Fire separation removed at ground floor exit vestibule- Door fire rating updated accordingly.
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Closed Rev 15 Issued Jan 31, 2025
REVISION 15: Proposed update Architectural, Mechanical and Electrical for a new sump pump added including and new barrier free shower added to universal washroom with Janitor closet relocated in the B… Read full revision note Show less
REVISION 15: Proposed update Architectural, Mechanical and Electrical for a new sump pump added including and new barrier free shower added to universal washroom with Janitor closet relocated in the B1 Level as noted. REVISION 14Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Cancelled Rev 14 Closed Jun 25, 2024
REVISION 14Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 13 Issued Feb 02, 2024
Revision 13: Proposed revision to include approved alternative solution 23 226277 ALT 00 AS.Revision 12 - Proposed revisions to include the update architectural and electrical within the Level B2 - NW… Read full revision note Show less
Revision 13: Proposed revision to include approved alternative solution 23 226277 ALT 00 AS.Revision 12 - Proposed revisions to include the update architectural and electrical within the Level B2 - NW Block. REVISION 10 - alterations to the sprinklersProposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 12 Issued Nov 29, 2023
Revision 12 - Proposed revisions to include the update architectural and electrical within the Level B2 - NW Block. REVISION 10 - alterations to the sprinklersProposal for interior alterations for all… Read full revision note Show less
Revision 12 - Proposed revisions to include the update architectural and electrical within the Level B2 - NW Block. REVISION 10 - alterations to the sprinklersProposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 10 Issued Oct 11, 2023
REVISION 10 - alterations to the sprinklersProposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 09 Issued Aug 14, 2023
Revision 09 - update to current building permit 20 113679 BLD including the following ALT permits: 1. 22 163 725 ALT 00- Terracotta Column EJ Report - EJ5a
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Closed Rev 08 Issued May 02, 2023
Revision 8 - 1. Existing conditions of exit stair door swings that reduce the required exit landing to less than 750mm in various locations as indicated in attached drawings. Refer also to Jensen Hugh… Read full revision note Show less
Revision 8 - 1. Existing conditions of exit stair door swings that reduce the required exit landing to less than 750mm in various locations as indicated in attached drawings. Refer also to Jensen Hughes updated code report dated April 14,'23 R16 outlining these condition(s) within Page 44 to 45 of Page 63. REVISION 7 - updates to include Alternative Solution (22 180582 ALT) - Terracotta Wall Insulation - Engineering Judgement - 2HrProposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 07 Issued Mar 06, 2023
REVISION 7 - updates to include Alternative Solution (22 180582 ALT) - Terracotta Wall Insulation - Engineering Judgement - 2HrProposal for interior alterations for all floors of 4 towers existing off… Read full revision note Show less
REVISION 7 - updates to include Alternative Solution (22 180582 ALT) - Terracotta Wall Insulation - Engineering Judgement - 2HrProposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 06 Issued Mar 01, 2023
REVISION 6 - Thermal insulation added along exterior wall of stair A and new block wall added to close off the cavityProposal for interior alterations for all floors of 4 towers existing office use. R… Read full revision note Show less
REVISION 6 - Thermal insulation added along exterior wall of stair A and new block wall added to close off the cavityProposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 05 Issued Jan 26, 2023
Revision 05 - Update to Building Permit 20 113679 BLD specifications to include the additional alternate spray fire proofing materials as per 22 181098 ALT 00 AS. No other alterations included under t… Read full revision note Show less
Revision 05 - Update to Building Permit 20 113679 BLD specifications to include the additional alternate spray fire proofing materials as per 22 181098 ALT 00 AS. No other alterations included under this revision.Revision 04 - Update to Building Permit 20 113679 BLD to address the following approved alternative solutions regarding fire resistance ratings for stair and elevator shafts: 1) 21 196958 ALT 00 AS, 2) 21 121575 ALT 00 AS, and 3) 22 232419 ALT 00 ASRevison03 - UPDATE TO BUILDING PERMIT 20 113679 BLD For steel Rod fire protection as approved under 22 230429 ALT 00 AS Revision02 - Universal Washrooms, Service (MEP) shaft layouts, Tenant Working Lounge and Mechanical Penthouse and Misc. Plan. Revision 01- including updated fire ratingsdrawings as indicated and Architectural Fire damper details as requested by AHJ.Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 02 Issued Jan 24, 2023
Revision02 - Universal Washrooms, Service (MEP) shaft layouts, Tenant Working Lounge and Mechanical Penthouse and Misc. Plan. Revision 01- including updated fire ratingsdrawings as indicated and Archi… Read full revision note Show less
Revision02 - Universal Washrooms, Service (MEP) shaft layouts, Tenant Working Lounge and Mechanical Penthouse and Misc. Plan. Revision 01- including updated fire ratingsdrawings as indicated and Architectural Fire damper details as requested by AHJ.Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 01 Issued Jan 24, 2023
Revision 01- including updated fire ratingsdrawings as indicated and Architectural Fire damper details as requested by AHJ.Proposal for interior alterations for all floors of 4 towers existing office … Read full revision note Show less
Revision 01- including updated fire ratingsdrawings as indicated and Architectural Fire damper details as requested by AHJ.Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 04 Issued Jan 23, 2023
Revision 04 - Update to Building Permit 20 113679 BLD to address the following approved alternative solutions regarding fire resistance ratings for stair and elevator shafts: 1) 21 196958 ALT 00 AS, 2… Read full revision note Show less
Revision 04 - Update to Building Permit 20 113679 BLD to address the following approved alternative solutions regarding fire resistance ratings for stair and elevator shafts: 1) 21 196958 ALT 00 AS, 2) 21 121575 ALT 00 AS, and 3) 22 232419 ALT 00 ASRevison03 - UPDATE TO BUILDING PERMIT 20 113679 BLD For steel Rod fire protection as approved under 22 230429 ALT 00 AS Revision02 - Universal Washrooms, Service (MEP) shaft layouts, Tenant Working Lounge and Mechanical Penthouse and Misc. Plan. Revision 01- including updated fire ratingsdrawings as indicated and Architectural Fire damper details as requested by AHJ.Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 03 Issued Jan 23, 2023
Revision03 -UPDATE TO THE CURRENT BUILDING PERMIT 20 113679 BLD ito refernce the steel rod fire protection as per 22 230429 ALT 00 AS Revision02 - Universal Washrooms, Service (MEP) shaft layouts, Ten… Read full revision note Show less
Revision03 -UPDATE TO THE CURRENT BUILDING PERMIT 20 113679 BLD ito refernce the steel rod fire protection as per 22 230429 ALT 00 AS Revision02 - Universal Washrooms, Service (MEP) shaft layouts, Tenant Working Lounge and Mechanical Penthouse and Misc. Plan. Revision 01- including updated fire rating drawings as indicated and Architectural Fire damper details as requested by AHJ.Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
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Closed Rev 00 Issued Dec 29, 2021
Proposal for interior alterations for all floors of 4 towers existing office use. Refer to 21 106329 BLD 00 BA for structural upgrading.
Every revision the municipality has published for this permit, read directly off the source record rather than the single collapsed status most permit trackers show.
Permit details
The municipal record for this permit.
- Issue date
- Jan 22, 2026
- Project value
- —
- Project type
- Renovation
- Building type
- Commercial
- Commercial category
- Office
- Description
- Rev 18 - Revision to Mowat tower Fire Separation at Elevator Lobby - Typical floor(s) from not being rated to a 0hr rating as indicated/ bubbled. Level 3 to 24. See also attached code report for rational. Revision 17: Revision to current permit - see code report and cover letter for details
- Builder name
- —
- Permit status
- Completed City's exact wording: Closed
- Work type
- Building Additions/Alterations
- Completed
- 2026-01-23
References & corrections IDs · source · attribution
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