ss-wilson

Amazon Fulfillment Centre

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SS Wilson Associates completed a Noise and Vibration Feasibility Study for a proposed Amazon fulfillment centre located along Steeles Avenue East in Toronto. The site is situated within an employment area in proximity to existing residential uses and a nearby rail corridor, requiring careful consideration of environmental noise and land use compatibility.

Challenges

The proposed warehouse development is influenced by multiple noise sources, including heavy truck movements, loading operations, rooftop mechanical equipment, and transportation noise from Steeles Avenue. Potential vibration from nearby rail activity was also considered.

Initial results identified exceedances of MECP NPC-300 criteria at nearby residential receptors, requiring a coordinated mitigation approach to support compatibility with surrounding sensitive land uses.

Outcome

The study demonstrated that the proposed facility could be integrated within its surrounding context while addressing potential noise impacts associated with large-scale warehouse operations.

Mitigation measures, including an acoustic barrier and operational controls, were identified to support compatibility with nearby sensitive uses.

With these measures in place, the development was demonstrated to achieve compliance with MECP noise and vibration criteria, supporting the successful integration of a large-scale industrial facility within the surrounding context and maintaining compatibility with adjacent residential uses.

Approach

A detailed noise feasibility assessment was undertaken in accordance with MECP NPC-300 guidelines, including acoustic modelling of transportation and stationary noise sources, as well as vibration from rail activity. The analysis informed mitigation strategies at both the site planning and building design stages.

Toronto Motorsports Park, Cayuga

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA retained by Toronto Motorsports Park (TMP) to assess the potential environmental noise impacts associated with the introduction of automobile drifting activities at its existing facility in Cayuga, Ontario.

TMP is an established motorsports venue featuring a drag strip, road course, and motocross track. While informal drifting had occurred historically, the proponent sought approval to formalize and expand drifting operations while maintaining compliance with applicable noise criteria and minimizing impacts on surrounding rural residential receptors.

Challenges

The introduction of drifting presented unique acoustical and planning challenges, as it involved a new operational use within an already approved motorsports facility and introduced distinct noise characteristics, including tonal components and intermittent high-revving engine conditions. It also required an assessment of whether drifting activities would result in increased noise levels relative to existing track operations, particularly given the presence of sensitive receptors, including nearby rural residential dwellings.

Outcome

SSWA assessed the introduction of drifting activities within an established motorsports facility, building on previous studies and existing approvals for the site.

Using a combination of on-site measurements and conservative assessment methods, the study evaluated how drifting would function within the existing operational context and surrounding area. The analysis confirmed that drifting could be accommodated without materially changing the surrounding noise environment, and that existing site features provide effective noise control.

This work supported municipal decision-making by demonstrating that the proposed expansion could proceed while maintaining compatibility with nearby residential uses and meeting applicable noise requirements.

Approach

SSWA undertook a detailed noise assessment combining field measurements, operational data, and predictive modeling to evaluate the impact of drifting activities.

Key components of the approach included on-site sound measurements of drifting vehicles to establish representative source levels, as well as the development of a 3D acoustic model incorporating track geometry and drift segments, vehicle movement and event frequency, terrain, barriers, and atmospheric effects. The assessment also considered 16 representative receptor locations surrounding the facility.

Results

SSWA assessed the potential noise impacts associated with introducing drifting activities, with a focus on how these activities would interact with existing operations and surrounding land uses.

Through detailed analysis, the study confirmed that drifting could be accommodated within the existing facility without materially changing the surrounding noise environment. Existing site features were also found to provide effective noise control, with no additional mitigation measures identified.

This work supported the proponent’s ability to expand programming at the facility while maintaining compatibility with nearby residential uses and meeting applicable noise requirements.

Camilla Road, Mississauga

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained to assess noise impacts for a proposed residential development located adjacent to the Queen Elizabeth Way. The proximity to high traffic volumes required a comprehensive review to support the introduction of sensitive land uses in a challenging noise environment.

Challenges

The site is located immediately adjacent to a major highway corridor, resulting in consistently elevated noise levels across the development. The configuration of the site and building introduced varying exposure conditions, particularly at façades and outdoor amenity areas. In addition, on-site mechanical systems required careful consideration to ensure they did not contribute to the overall noise environment or impact nearby sensitive uses.

Outcome

A coordinated set of mitigation measures was developed to address noise across the site. These included building envelope and ventilation requirements, guidance on mechanical equipment siting and noise control.

With these measures, the development was demonstrated to achieve compliance with MECP criteria, supporting residential use in proximity to a major highway corridor.

Approach

SSWA undertook a comprehensive assessment to define the noise environment and identify mitigation requirements. Our work included predicting future sound levels from the QEW, ramps, and surrounding road network, assessing building façades and outdoor amenity areas, and determining window glazing requirements to support indoor noise controls. The study also involved coordinating with the design team to integrate mitigation into the site and building design.

Key Findings

The assessment identified elevated sound levels across the site due to proximity and direct exposure to the highway, as well as contributions from on-site mechanical equipment. Sound levels at outdoor amenity areas and building façades required mitigation to meet applicable criteria.

Environmental Compliance Approval (ECA) — Shelburne

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained to support the expansion of an existing automotive manufacturing facility in Shelburne, Ontario through the preparation of an Environmental Compliance Approval (ECA) and subsequent acoustic assessment.

The work was completed to satisfy MECP requirements and to support the continued operation and expansion of the facility within a mixed-use context that includes nearby residential and institutional uses.

Challenges

The facility operates continuously with multiple noise sources, including rooftop mechanical equipment, truck movements, and indoor manufacturing processes. The proposed expansion introduced additional rooftop equipment and operational activity, requiring careful evaluation of cumulative noise impacts.

The surrounding area includes residential dwellings and a school, requiring a conservative approach to ensure compatibility under worst-case operating conditions and compliance with MECP criteria.

Outcome

The combined ECA and acoustic assessment provided a clear and defensible basis for regulatory approval of the facility expansion.

SSWA’s work demonstrated that the development can operate in compliance with applicable noise and vibration criteria while maintaining compatibility with surrounding uses, supporting both immediate approvals and long-term operational certainty.

Approach

SSWA first prepared the ECA to support regulatory approval of the facility expansion, including detailed identification and characterization of all existing and proposed noise sources.

Following this, a comprehensive acoustic assessment was undertaken to evaluate noise and vibration impacts under both existing and future conditions. The analysis incorporated field measurements, predictive modelling, and conservative operational assumptions to assess worst-case scenarios.

The study considered all primary contributors, including rooftop HVAC equipment, exhaust systems, truck activity, and indoor operations, and evaluated their combined effects at surrounding points of reception.

Results and Solutions

The assessment confirmed that both existing and expanded facility operations meet applicable MECP sound level criteria at all surrounding receptors.

Predicted and measured sound levels were shown to remain within acceptable limits under worst-case operating conditions, with field verification confirming the accuracy of the modelling. Vibration associated with existing operations was also found to be well below applicable thresholds, with no new vibration sources introduced as part of the expansion.

The study identified and incorporated targeted noise control measures as part of the ECA process, including acoustic barriers for select rooftop mechanical equipment.

These measures were designed to address potential impacts at nearby receptors while maintaining operational efficiency. Additional guidance was provided to support equipment selection, placement, and long-term flexibility through future design and approval stages.

Holiday Inn Express, Vaughan

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained to complete a detailed noise control study for a proposed hotel development located along the Highway 400 corridor in the City of Vaughan. The study was prepared in support of Site Plan Approval and focused on assessing noise impacts on both outdoor amenity areas and indoor hotel spaces.

The site is influenced by major transportation sources, including Highway 400 and Cityview Boulevard, as well as nearby commercial uses with mechanical equipment.

Challenges

The site is located immediately adjacent to a major highway corridor, resulting in high traffic volumes and elevated sound levels affecting both outdoor and indoor areas of the development. Outdoor amenity spaces required careful consideration due to limited opportunities for shielding while maintaining functionality and design intent.

In addition, the presence of nearby commercial buildings introduced potential stationary noise sources, while the proposed hotel’s own mechanical systems needed to be designed to avoid impacts on surrounding uses. Balancing these factors within a compact site required a coordinated and practical approach.

Outcome

With the recommended measures in place, the development was demonstrated to achieve compliance with applicable sound level criteria for both outdoor and indoor environments. The study supported Site Plan Approval by providing a clear and coordinated noise control strategy tailored to a high-exposure location.

The project demonstrates how thoughtful planning and integrated design can support hotel and commercial developments in proximity to major transportation corridors.

Approach

SSWA undertook a comprehensive assessment to define the noise environment and identify appropriate mitigation requirements. The study evaluated future sound levels from Highway 400 and Cityview Boulevard, reviewed the site layout and building design to understand exposure conditions, and assessed both outdoor amenity areas and building façades.

The assessment also considered potential impacts from nearby commercial mechanical equipment, as well as the proposed building’s own systems, to ensure compatibility with surrounding uses.

Results and Solutions

The assessment identified that sound levels across the site were elevated due to proximity to Highway 400, with outdoor amenity areas exceeding recommended guideline levels without mitigation. Building façades were also exposed to higher sound levels, requiring consideration of indoor noise control measures.

In addition, the review of nearby commercial mechanical equipment and the proposed building systems confirmed that stationary noise impacts could be maintained within acceptable limits. Overall, the study demonstrated that while noise levels were significant, they could be effectively managed through coordinated mitigation.

SSWA developed a coordinated set of mitigation strategies tailored to the site, including acoustic barriers to improve outdoor amenity areas and support their usability. Building design considerations were also identified to support indoor comfort, along with ventilation strategies to allow windows to remain closed where required.

Recommendations were provided for the design and placement of mechanical systems to ensure compatibility with surrounding uses, along with standard warning clauses to inform occupants of the surrounding noise environment. These measures were integrated with the overall site design and aligned with applicable guidelines, supporting a practical and implementable outcome.

Land Use Compatibility Study-Niagara Falls, ON

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained by the City of Niagara Falls to complete a land use compatibility assessment in support of the Garner West and Northwest Secondary Plan Areas.

The study formed part of a broader planning process to guide the long-term development of new community areas, evaluating how future residential and mixed-use development could be introduced within an evolving urban context.

Challenges

The Secondary Plan Areas represent new urban expansion lands transitioning from agricultural and rural uses to planned residential communities.

The City required a clear understanding of how existing and planned surrounding uses may influence future sensitive land uses, including potential considerations related to noise, air quality, odour, dust, and vibration.

Key interfaces included major transportation corridors, surrounding commercial and industrial uses, and long-term contextual features such as aggregate operations. The work also needed to support land use planning decisions at a policy level, while identifying where more detailed study would be required as development proceeds.

Approach

SSWA undertook a comprehensive assessment combining technical analysis with planning policy considerations.

The work included review of municipal and provincial data sources, including Environmental Compliance Approvals, applicable guidelines, and planning frameworks. Site reconnaissance was completed to document existing conditions and better understand the surrounding environment.

Potential sources of influence were identified and evaluated, and mapping was developed to illustrate how these sources relate to the Secondary Plan Areas. This allowed for the identification of key interface conditions and areas requiring further consideration.

Building on this analysis, SSWA provided guidance to support the City’s preferred land use concept, including recommendations for future studies, mitigation approaches, and policy direction to guide development as the area evolves.

Outcome

The assessment provided the City with a clear framework to guide Secondary Plan development, identifying where compatibility considerations may arise and how they can be addressed through future planning and design.

The work translated technical compatibility considerations into practical planning direction, including recommended study requirements and mitigation approaches to be implemented through future development applications.

Overall, the study supported the introduction of new residential and mixed-use communities while maintaining compatibility with surrounding land uses and infrastructure and informed the development of policies to guide long-term growth within the Secondary Plan Areas.

Preliminary and Detailed Design for Noise Wall Replacement-Halton Region

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained as part of the project team to support Halton Region to complete a detailed environmental noise assessment in support of the replacement of existing noise barriers along Upper Middle Road in Burlington as part of the Region’s State of Good Repair program.

The study evaluated the existing and future traffic noise environment, assessed the condition and effectiveness of the existing barriers, and established replacement barrier requirements to support long-term acoustic performance, infrastructure renewal objectives, and public safety considerations.

Challenges

The project involved the replacement of multiple aging noise barriers along Upper Middle Road in Burlington as part of Halton Region’s State of Good Repair program. The existing barriers were in a deteriorated condition and provided limited acoustic benefit due to deficiencies such as cracks, gaps, collapsing sections, and unfavourable site geometry.

Additional challenges included varying grades between the roadway and residential properties, maintaining existing masonry feature walls, avoiding encroachment into the Hydro One corridor, and developing a replacement strategy that balanced acoustic performance, constructability, safety, and site-specific constraints.

Outcome

The study established a coordinated barrier replacement strategy to support Halton Region’s infrastructure renewal and safety objectives while improving long-term acoustic performance for adjacent residents.

The final recommendations provided clear guidance regarding barrier heights, alignments, and implementation considerations, supporting the advancement of the project into detailed design and future construction phases.

Approach

SSWA completed a detailed environmental noise assessment to evaluate the existing and future traffic noise environment associated with Upper Middle Road.

The work included long-term unattended sound level monitoring, prediction modelling using the MECP’s ORNAMENT program, and detailed analysis of roadway geometry, grading, barrier elevations, and existing barrier performance.

Representative residential receptors were assessed throughout the study area to determine the acoustic effectiveness of the existing barriers and establish the required replacement barrier heights and alignments.

The study also involved coordination with the Region and project team to address design constraints, infrastructure considerations, and constructability requirements associated with the proposed replacement barriers.

Results

The assessment confirmed that the existing barriers provided minimal acoustic benefit due to their deteriorated condition, limited height, and the relationship between roadway and residential grades. Sound level monitoring validated the acoustic model and confirmed that traffic along Upper Middle Road remains the dominant noise source within the study area.

The analysis established that replacement barriers would provide improved acoustic performance throughout the corridor, with projected sound level reductions generally ranging from 2 to 5 dB at the assessed residential receptors. The study also identified location-specific design considerations related to barrier alignments, grading transitions, existing feature walls, and utility constraints.

Noise Complaint Investigation-Downtown Toronto

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained to investigate a noise complaint within a residential condominium located in downtown Toronto. The concern involved persistent and intrusive noise affecting a dwelling unit, with the source initially unknown.

The objective of the study was to identify the source of the noise, assess its severity, and provide guidance to support resolution.

Challenges

The investigation involved identifying the source of noise within a fully occupied residential building, where multiple mechanical systems and neighbouring units could contribute to the issue. The intermittent nature and tonal quality of the noise made it difficult to isolate, particularly within a complex indoor environment where sound can travel through walls, floors, and building systems.

In addition, the concern required coordination with occupants and property management, along with testing under different operating conditions to accurately replicate and assess the issue.

Outcome

The study provided a clear and defensible identification of the noise source, along with an evidence-based path toward resolution. By isolating the issue and confirming its cause, SSWA enabled property management to take informed next steps.

The investigation helped reduce uncertainty, supported effective communication between parties, and provided a structured approach to resolving indoor noise concerns within a multi-unit residential environment.

Approach

SSWA undertook a detailed investigation combining on-site measurements, equipment testing, and occupant feedback to isolate and evaluate the noise source. The study involved reviewing building mechanical systems, conducting sound level measurements within the affected unit, and performing controlled testing.

Measurements were taken across multiple rooms using precision instrumentation, and results were analyzed to assess both overall sound levels and tonal characteristics. This step-by-step approach allowed for confirmation of the noise source and a clear understanding of how it was affecting the unit.

Results and Solutions

The investigation confirmed that the noise was originating from a heat pump unit located in a neighbouring suite. Testing demonstrated that sound levels within the affected unit exceeded commonly accepted indoor noise guidelines, particularly when the equipment was operating.

The noise was also found to have distinct tonal characteristics, which increased its perceived annoyance. It was concluded that sound levels exceeded recommended criteria across multiple rooms when the source equipment was active, while background conditions remained acceptable when the equipment was off.

Additional testing ruled out other potential sources within the building, confirming that the identified equipment was the sole contributor to the issue.

SSWA provided clear direction to address the identified noise source, including recommendations for further inspection of the mechanical equipment to determine whether it was operating abnormally. Guidance was also provided to support mitigation measures to reduce sound levels and improve acoustic conditions within the affected unit.

These recommendations were intended to support a practical resolution and restore acceptable living conditions for occupants.

Noise and Vibration-Residential Building Gym

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained to investigate noise and vibration concerns affecting residential units in a multi-storey building in Florida, United States. The issue was related to a ground-floor gym facility located directly below residential suites, where occupants reported noticeable disturbance from gym activities.

Challenges

The project involved a complex structure-borne vibration issue within an occupied residential building, where gym activities were generating low-frequency impact noise that travelled through the building structure. The dropping of weights and use of heavy exercise equipment created impulsive forces that were transmitted through the concrete slab and structural elements, resulting in audible disturbance within the units above.

The challenge was further compounded by the existing building conditions, as the gym was already constructed and operational, limiting the ability to implement large-scale structural modifications. A targeted and practical solution was required to address the most critical sources of vibration while maintaining the functionality of the gym.

Results and Solutions

The investigation confirmed that noise within the residential units was primarily caused by structure-borne vibration generated by gym equipment, particularly from the dropping of weights and high-impact activities. These vibrations were transmitted through the building structure and re-emitted as low-frequency noise within the suites above.

The study also identified specific equipment and localized areas within the gym that contributed most significantly to the issue, allowing mitigation efforts to be focused where they would be most effective.

SSWA developed a targeted vibration control strategy focused on isolating key sources of impact rather than requiring full reconstruction of the gym floor. This included the use of high-performance vibration isolation pads beneath specific pieces of equipment, as well as localized isolation treatment in designated weight-dropping areas.

The recommended measures were designed to significantly reduce vibration transfer through the structure while maintaining flexibility for gym operations. Solutions were selected to be practical, cost-effective, and compatible with the existing building conditions.

Approach

SSWA conducted a site visit to the residential units and gym facility to observe the conditions firsthand and assess the nature of the noise and vibration. The assessment focused on identifying the primary sources of impact, including specific pieces of equipment and areas where weight-dropping activities were concentrated.

The review considered how vibration energy was transferred from gym equipment into the structure and re-radiated as audible noise in the space above, allowing for a clear understanding of the underlying issue and potential mitigation strategies.

Outcome

The study provided a clear and implementable strategy to reduce noise and vibration impacts within the residential units while maintaining the functionality of the gym facility. By focusing on targeted isolation measures, the approach addressed the root cause of the issue without requiring major structural changes.

Detailed Noise Study- High-Rise Residential Development

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained to complete a noise control study in support of a Site Plan Applications for a high-rise residential development in Mississauga. The study evaluated environmental noise from surrounding transportation corridors and nearby infrastructure, established mitigation requirements to ensure compliance with applicable noise guidelines, and identified practical design strategies to support a comfortable living environment for future residents.

Challenges

The site is influenced by multiple transportation noise sources, including nearby arterial roads and an active rail corridor, resulting in varying noise exposure across the development.

In addition, certain outdoor amenity areas were located in more exposed portions of the site, requiring careful consideration to maintain usability. The integration of mechanical equipment within the building design also required coordination to minimize potential noise impacts on both future residents and adjacent properties.

Outcome

The study supported the advancement of the proposed development by demonstrating that noise impacts can be effectively managed through thoughtful design.

SSWA’s work provided clear direction for the project team, helping to streamline approvals and ensuring that future residents will benefit from a well-planned acoustic environment.

Approach

SSWA completed a comprehensive review of the surrounding noise environment, considering both existing and future conditions. The assessment focused on how nearby roadways, rail corridors, and adjacent developments could influence the site.

Our work included evaluating noise from major roads and rail lines in the area, reviewing the site layout and building design to understand exposure levels, and assessing outdoor amenity areas and building façades. The study also considered potential impacts from building mechanical systems and developed practical, coordinated mitigation strategies.

Results and Solutions

The study found that noise levels varied across the site depending on location and exposure to surrounding transportation sources. Some outdoor amenity areas required mitigation, while others naturally achieved appropriate sound levels.

Indoor noise considerations were also identified across the building, with a range of measures recommended to support comfortable living conditions. In addition, mechanical systems were reviewed to ensure they would not create adverse impacts on residents or neighbouring properties.

Overall, the assessment demonstrated that the development can be designed to achieve suitable noise conditions through a combination of planning, architectural, and engineering measures.

SSWA developed a coordinated set of mitigation strategies tailored to the site, including the use of acoustic barriers to improve outdoor amenity areas where needed, as well as building design considerations to support indoor comfort. Recommendations were also provided for the design and placement of mechanical systems to manage on-site noise sources, along with standard warning clauses to inform future occupants. These measures were integrated with the overall site design and aligned with applicable guidelines, supporting a practical and implementable outcome.

TTC Subway Extension, Scarborough ON

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SS Wilson Associates was retained to complete a Noise and Vibration Impact Study in support of the Scarborough Subway Extension (SSE), a major transit infrastructure project connecting Kennedy Station to Scarborough Town Centre.

The study assessed potential noise and vibration impacts associated with the proposed subway alignment, including interactions with surrounding residential and institutional land uses, as part of the Transit Project Assessment Process.

Challenges

The project required evaluation of a wide range of noise and vibration sources associated with underground transit infrastructure, including subway operations, ventilation systems, substations, and bus terminal activity.

A key consideration was ensuring compatibility with surrounding sensitive land uses, including residential areas and institutional uses, while addressing both operational and construction-related impacts along the full alignment.

Outcome

The assessment demonstrated that, with the implementation of appropriate mitigation measures, the project can proceed without adverse noise or vibration impacts on surrounding sensitive land uses.

Key mitigation measures included the incorporation of a floating slab track system to reduce ground-borne vibration, as well as design considerations for stationary noise sources such as substations and ventilation infrastructure.

With these measures, the study confirmed that the project can achieve compliance with applicable noise and vibration criteria, supporting the integration of major transit infrastructure within an urban environment while maintaining compatibility with adjacent uses.

Approach

A comprehensive assessment was undertaken using a combination of field measurements, predictive modelling, and established transit noise and vibration criteria.

The study evaluated ground-borne vibration and associated indoor noise, as well as airborne noise from stationary sources such as ventilation shafts, emergency exits, and electrical substations. Construction-related impacts were also reviewed at a planning level.

Mitigation strategies were developed to address identified considerations and to inform the detailed design phase.

Detailed Noise Study-Walness Subdivision

Fri, 30 Oct 2026 13:53:56 GMT

Project Overview:

SSWA was retained to complete a Detailed Noise Control Study for a proposed residential subdivision in the City of Brampton to support Site Plan Approval.

The site is influenced primarily by surrounding roadways, including Mayfield Road, Brisdale Drive, and Clockwork Drive, which represent the key sources of transportation noise affecting future residents.

Challenges

The site is influenced by multiple surrounding roadways with moderate to high traffic volumes, resulting in varying sound levels across the development. The layout and grading of the subdivision created differing exposure conditions, particularly for lots located closer to major roads. This required careful coordination to address both outdoor amenity areas and indoor living spaces, while maintaining consistency with the overall site design.

Outcome

The study confirmed that the proposed development could achieve compliance with applicable sound level criteria through an integrated noise control strategy tailored to the site conditions.

The assessment supported the advancement of the development application by establishing clear and implementable noise mitigation requirements for both the site and buildings, while maintaining compatibility with the surrounding transportation corridor .

Approach

SSWA undertook a comprehensive assessment to define the noise environment and identify appropriate mitigation requirements for the development.

The work included predicting future sound levels from surrounding roadways using the MECP’s ORNAMENT modelling program, reviewing the site layout, grading, and building orientation to understand noise exposure across the development, and identifying areas where outdoor and indoor sound levels may exceed applicable criteria. Based on this assessment, mitigation measures were established, including sound barriers where required, building envelope and ventilation requirements.

Results

The assessment identified that noise exposure varies across the site, primarily based on proximity to surrounding roadways. Higher exposure areas required acoustic barriers, while indoor mitigation measures varied across the development, including central air conditioning or provision for future installation. Additional building design considerations were identified for more exposed units. Overall, the study established a coordinated set of mitigation measures, demonstrating that appropriate noise conditions can be achieved across the site.

One Bloor Street West, Toronto

Fri, 14 Aug 2026 13:51:43 GMT

Project Overview:

SSWA was retained to assess potential construction-related vibration impacts associated with the redevelopment of 1 Bloor Street West in downtown Toronto.

The study supported the development of a vibration control plan for a high-rise residential tower, including deep excavation and underground construction, within a dense urban environment surrounded by existing buildings.

Challenges

The project involved a complex redevelopment site in a highly constrained urban setting, with surrounding residential, commercial, and heritage buildings located in close proximity to planned excavation and foundation works.

Construction activities such as demolition, caisson drilling, and excavation had the potential to generate ground-borne vibration that could affect nearby structures. In some cases, adjacent buildings were located only a short distance from the proposed construction works, increasing the need for careful assessment and monitoring.

In addition, the project was required to meet City of Toronto vibration control requirements, including the identification of a Zone of Influence and the development of a monitoring and management plan as a condition of building permit approval.

Outcome

The vibration control plan supported the advancement of a major high-rise development in a dense urban environment by providing a clear and coordinated approach to managing construction-related vibration.

By identifying potential impacts early and establishing a structured monitoring program, SSWA helped ensure that construction could proceed while maintaining compliance with City requirements and minimizing risk to surrounding buildings.

The study also supported communication with adjacent property owners and provided a framework for addressing potential concerns throughout the construction process.

Approach

SSWA completed a detailed assessment to understand potential vibration impacts and support the development of a practical control strategy. This included:

· Reviewing proposed construction methods, including demolition, excavation, and foundation systems

· Assessing surrounding buildings, including nearby residential and heritage structures

· Conducting site visits and baseline measurements to establish existing vibration conditions

· Evaluating how construction activities may influence surrounding properties based on proximity and site conditions

Using this information, SSWA defined the expected Zone of Influence where construction vibration could affect nearby buildings and identified locations requiring monitoring.

A vibration monitoring program was also developed, outlining equipment requirements, monitoring locations, and response procedures to manage vibration levels throughout construction.

Results

The assessment identified the buildings most likely to be affected by construction vibration and established a clear framework for managing potential impacts.

Key outcomes included the identification of nearby buildings requiring monitoring due to their proximity to construction activities, as well as the establishment of a defined Zone of Influence to guide communication and coordination with surrounding properties. A monitoring strategy was developed to track vibration levels during construction, and more sensitive structures, including heritage buildings, were identified as requiring additional consideration.

The study provided clarity on where and how vibration effects may occur, allowing for proactive planning and risk management.