Service Areas

Material Testing: Homeowners

Paterson Group provides a variety of tests and inspections to complete residential homebuilding within the city of Ottawa and surrounding communities in accordance with provincial and municipal regulations.

Material Testing: Homeowners Services

Frost Check

Typically, any structure construction between November to March will require a frost check prior to backfilling the foundation. This is a requirement from the City of Ottawa when construction occurs during winter months.

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Concrete Field Testing

Complete Field sampling of concrete as per CSA standards and structural details/specifications. Concrete field testing is completed to ensure the concrete delivered to site satisfies the intended use and specifications.

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Failure Investigations

Paterson can complete various failure investigations – Foundation settlement or cracks, Floor slab cracks, Concrete issues (scaling issues, sidewalks, pavers, foundation, etc), asphalt issues (cracking, tack coat, quality, etc) or granulars (performance, quality, etc).

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Excavation Review/Backfill Monitoring

Occasionally construction sites may require inspection and sign off for temporary excavation or slopes. Paterson has experienced engineers and senior field technologist who can review the site and provide City of Ottawa/MOL reports.

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Bearing Medium Evaluations (Soil Test/Footing Inspection) – City of Ottawa Requirement Prior to Placement of New Footings

A confirmation of the soils/bedrock bearing capacity prior to construction of footings. This inspection is completed to confirm the bearing capacity provided in the geotechnical report or structural details is confirmed prior to placement of foundation or load bearing elements.

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Compaction Testing (Underground Services, Laneways/Parking Lots and Underside of Footings/Floor Slabs)

Nucleardensometer testing on engineered fill material or native backfill for proposed roadways, municipal services, below proposed structure (underside of footing), etc. Compaction testing confirms the placed backfill meets specifications or design criteria.

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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

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.

Hydrogeological

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

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.

Material Testing: Homeowners

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

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.

Laboratory Testing: Soil and Aggregates

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

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.

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.

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.

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 Design

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

Retaining Wall Design

Design and inspection services for segmental block retaining wall systems.

Vibration Monitoring and Noise Studies

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

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.

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

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.