Paterson Group

Solution Oriented Engineering

Service Areas

Structural Repairs and Renovations

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Structural Repairs and Renovations

Paterson has experience with a variety of residential renovations and can provide consultation services to ensure repairs and renovations are completed in accordance with provincial and local regulations.

Structural Repairs and Renovations Services

Brick Masonry Restoration

Brick masonry rehabilitation is not like other cladding renewal work, so it requires specialized expertise related to brick masonry. Even a supposedly simple issue of brick cracking is likely to have an important engineering reason for the experienced deterioration. Paterson’s building envelope professionals understand the nature of brick masonry design and performance, so Paterson is well suited to take care of your brick masonry rehabilitation needs. Services can include investigations, testing, design development, specifications, tendering, site inspections and contract administration.

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Roof Anchor Design & Load Testing

Full engineering services for the review and in situ load testing of new and existing safety roof anchors and anchor bolts installations. Roof anchor design, including anchor type and layout, to satisfy appropriate safety standards and Building Code requirements. Preparation of detailed technical specifications, tendering and obtaining bids from qualified contractors, construction site review and reporting, and contract administration for roof anchor installation project.

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Railing and Guard Design & Load Testing

Full engineering services for the review and in situ load testing of new and existing balcony railing and other railing installations. Design consultation to assist Owners in making decisions pertaining to the replacement of railings, including for railing type and materials. Preparation of detailed technical specifications, tendering and obtaining bids from qualified contractors, construction site review and reporting, and contract administration for railing replacement project. Assisting Owners and Contractors in obtaining Building Permits for new railings.

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Load Testing

Paterson provides a variety of in situ load testing services including, roof anchor testing, balcony railing testing, anchor bolt testing in concrete and masonry, roof wind uplift resistance testing, concrete coating (e.g., traffic bearing membrane) adhesion testing and, bond strength of concrete topping or concrete repair materials, to name a few.

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Structural Design of Building Renovations

Structural engineering services related to building renovations and repairs, including design consultations to assist Owners in making decisions on replacement products, preparation of detailed technical specifications, tendering and obtaining bids from qualified contractors, construction site review and reporting, and contract administration throughout the renovation and repair project. Assisting Owners and Contractors in obtaining Building Permits.

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Reinforcing Steel Inspections

Inspection of reinforcing steel, in advance of concrete placement, is an important step to ensure compliance with the structural and reinforcing bar placement drawings; to ensure the long term-safety and stability of the building.

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Structural Steel Inspections

Structural steel erection involves the careful assembly and connection of critical structural elements, and errors in this process can lead to catastrophic failures. Therefore, specialized professional inspection of structural steel is a key component of ensuring compliance with the requirements of applicable design standards and shop drawings.

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Major Renovations: Consults and Quality Assurance Inspections

Large scale building renovations can involve building envelope elements and/or structural elements, and all such renovations must concurrently maintain the integrity of the existing, provide quality design and performance of new elements, and ensure reliable tie-in of existing and new elements. Paterson’s building envelope and structural professionals can perform the services needed to ensure a quality project, from pre-design assessments and building envelope design review, to design, specifications and quality assurance inspections.

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Adhesion Testing: Membranes, Coatings, Sealants

Today’s construction includes many types of materials which are applied in layers or along joints, such as joint sealants, waterproofing membranes, and a variety of coatings. These materials provide a wide range of important functions, including fireproofing, waterproofing, and aesthetics. Performance of these materials is highly dependent on surface preparation and workmanship, and one of the best ways to test the quality of installation is to perform adhesion testing on completed installations.

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Concrete Restoration

Concrete deterioration of parking garages and balconies is one of the most costly and disruptive repair experiences that a building experiences, causing much inconvenience to the building occupants, maintenance personnel, property managers and owners. Therefore, it is critical to employ highly qualified concrete restoration professionals when assessing concrete elements and undertaking their rehabilitation.

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Building Performance Investigations

When maintenance staff and/or contractors are unable to solve building envelope issues (such as leaks, condensation, excess cold, etc), Paterson’s building envelope professionals are well suited to perform the investigations needed to find the cause of the issues. Once the issues are identified, Paterson develops remedial options and direct successful repairs, through design development, instructions to qualified contractors, and inspection of the repairs.

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Parking Garage Assessments and Repairs

Condition review of reinforced concrete parking garage structures, including recommendations for remedial repair options, estimates of the extent and frequency of required repairs, repair cost estimates, and other consultations to assist Owners to ensure long term performance parking garage structures. Paterson Group provides full engineering services for parking garage repair projects, including preparation of detailed technical specifications, project tendering and obtaining bids from qualified contractors, construction site review and reporting, and contract administration throughout the duration of projects.

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Balcony Assessments and Repairs

Condition review of reinforced concrete and wood framed balconies and balcony railings including recommendations for remedial repair options, estimates of the extent and frequency of required repairs, repair cost estimates, and other consultations to assist Owners to ensure long term performance of their balconies. Paterson Group provides full engineering services for balcony repair projects, including preparation of detailed technical specifications, project tendering and obtaining bids from qualified contractors, construction site review and reporting, and contract administration throughout the duration of projects.

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Expert Opinion & Litigation Support

An owner sometimes has concerns about whether or not construction was performed according to acceptable procedures, including code compliance, and may be in disagreement on the quality of construction and/or needed remedial measures and related costs. In those cases, Paterson can provide an unbiased professional opinion, including detailed documentation, expert report and even testimony at arbitration and/or the court process.

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Structural Investigations & Repairs

Investigations to verify the condition of structural elements of buildings and structures, and/or to determine cause(s) of structural failures, including damage to various reinforced concrete, wood, and structural steel elements. Remedial repair recommendations and details. Assisting Owners and Contractors in obtaining Building Permits.

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Wall Cladding Replacement

Full engineering services for major exterior wall cladding (i.e. siding, EIFS, etc.) replacement projects, including: design consultation to assist owners in making decisions on the design appearance; replacement products and colours; preparation of detailed technical specifications; tendering and obtaining bids from qualified contractors; construction site review and reporting; and contract administration throughout the entire project.

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Construction

Geotechnical

Paterson Group's team of experienced engineers and technicians can provide geotechnical design and review services for residential and commercial development applications in accordance with provincial and municipal guidelines.
Environmental

Environmental

Paterson Group’s team of Qualified Persons can provide a variety of environmental services and studies to permit residential and commercial development applications, due diligence studies for land purchase and for refinancing purposes.
hydro

Hydrogeological

Studies and investigations related to groundwater in accordance with provincial regulations associated with development of residential, commercial, and industrial properties.
Testing Lab Yellow machine

Materials Testing

The material testing division includes a state-of-the-art CCIL certified laboratory and a large staff of field inspectors, technical managers, and engineers to provide construction inspection services for various projects in the private sector (such as low rise and high-rise developments), as well as municipal, provincial, and federal projects.
Construction Site Inspection

Material Testing: Homeowners

Paterson Group provides a variety of tests and inspections to complete residential homebuilding in accordance with provincial and municipal regulations.
Laboratory Testing - Asphalt

Laboratory Testing: Asphalt

Paterson Group has a state-of-the-art asphalt laboratory with industry standard asphalt testing procedures and new additions of the Hamburg Wheel, Semi-Circular Bend Test (SCB), Disk Shaped Compact Tension Test (DCT), Texas Overlay, Cyclic Fatigue, Flow Number and Dynamic Modulus.
Laboratory Testing - Concrete

Laboratory Testing: Concrete

Paterson Group concrete testing group has extensive experience on many projects such as residential high rise to commercial/residential low-rise projects, and municipal infrastructure.
Lab Testing Soil Aggregates

Laboratory Testing: Soil and Aggregates

Paterson has numerous laboratory technicians capable of completing low to high complexity of soil and aggregate testing.
couple with construction worker

Building Envelope Engineering

Our Building Science division completes many studies and services related to building envelope engineering in accordance with industry and ASTM standards. Our experienced staff complete thorough reviews to assess building envelope condition for a variety of building types.

Blueprint

Building Assessments

Our building assessment team can review the physical condition for many building types for the purpose of due diligence or re-financing. We can also assist owners with the tender process and obtaining bids from qualified contractors, construction site review and contract administration services.
New construction

Condominium & Landlord Services

Our services allow condominiums and landlords to forecast major capital expenditures and we complete assessments of construction deficiencies for new construction projects. Many of our clients have been using Paterson services for these various studies for over 20 years.

Energy & Sustainability

Whether you are looking for ways to upgrade and optimize the performance of an existing building, meet stringent performance standards for a new construction project, or showcasing your portfolio’s sustainability commitments, Paterson Group’s team of experienced sustainability specialists can help.
Making blueprints

Structural Repairs and Renovations

Paterson has experience with a variety of residential renovations and can provide consultation services to ensure repairs and renovations are completed in accordance with provincial and local regulations.
rural development

Rural Development Design

Private sewage and industrial system design, monitoring, and analysis of residential or commercial drinking wells.

Retaining Wall

Retaining Wall Design

Design and inspection services for segmental block retaining wall systems.
Vibration & Noise Studies

Vibration Monitoring and Noise Studies

Monitoring services for ground movement during construction.  Services related to noise attenuation studies in accordance with municipal bylaws.
Caution new construction

Designated Substance Survey

Paterson Group’s team of specialists can complete a survey of an existing building to determine the presence of hazardous materials in a building which could be harmful to workers if they are not removed prior to renovation or demolition.
Handyman checking of air ventilation

Indoor Air Quality Analysis

Paterson Group personnel have the expertise to test, detect and recommend air quality solutions for a variety of home and office settings.
Temporary Shoring/Excavation Support System Design

Temporary Shoring/ Excavation Support System Design

Our design team of qualified engineers are specialized in the design of various excavation support systems such as soldier pile and lagging, sheet piles, secant piles or tangent pile walls, diaphragm walls, anchored and nailed shotcrete, among other systems.