Paterson Group

Solution Oriented Engineering

Service Areas

Materials Testing

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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.  Paterson’s QA/QC inspection team understand the complexity of the geotechnical and construction materials aspects. Each project commences with a solid understanding of the design work and recommendations completed internally, construction drawings and specification, and schedule of each project. Paterson provides a number of QA/QC onsite inspections to support the construction of buildings, roadway, and infrastructure projects. Furthermore, Paterson Group is a CNSC (Canadian Nuclear Safety Commission) licensed operator of appropriate nuclear density gauges.

Materials Testing Services

Bearing Medium Evaluations (Soil Test)

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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Subgrade Inspections

Review of soils or bedrock below a proposed roadway, sidewalk, curb etc. This inspection is to review the subgrade and provide any necessary recommendations prior to placement of engineered backfill or non-load bearing structure.

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Compaction Testing (Underground Services, Roadways and Underside of Footings/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, including onsite testing of granular road sub-base/base.

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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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End Bearing Piled Foundation Inspections – Driven Piles/Caissons

On-site inspection for piling oversight to ensure piles are installed as per the geotechnical and structural design. Review of shop drawings and on-site issues.

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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. Paterson can review and approve concrete mix designs.

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Mortar and Grout Testing

Complete Field sampling of mortar or grout as per CSA standards and structural details/specifications. Mortar/Grout field testing is completed to ensure the concrete delivered to site satisfies the intended use and specifications. Paterson can review and comment on mix design information.

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Asphalt Field Testing

Complete Field sampling of asphalt as per municipal and/or provincial standards. as well as CSA standards and structural details/specifications. Paterson can complete on-site sampling. Paterson can review and approve asphalt mix designs.

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Specialized Concrete Field Testing

Thermocouples – Paterson can provide temperature monitoring for various elements to ensure concrete is placed and cured within CSA limits. Lok Testing – As per ASTM C900 – This testing is usually completed for early break information. Field testing is completed on Lok inserts to provide a level of certainty for contractors to remove concrete forms. Typically used when flying forms are used for construction. CIPPOC’s – As per ASTM C873 – Consists of a hard plastic mould that is placed in a structure to determine in-situ concrete strength. Generally used for early concrete compressive strength information. Bond Testing – Testing is to be conducted using ASTM standard D7522. This testing is completed to determine the adhesion between an existing material and new material (generally existing concrete and new concrete). This testing can provide the Pull Load and Tensile Strength. Dowel Pull Test – Paterson has the ability to test small rock anchors and dowels Coring Abilities – Paterson has their own internal coring rig to core asphalt or concrete. This enables flexibility of timing and scheduling work to be completed as well as ensure quality samples are obtain for laboratory testing.

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Failure Investigations

Paterson can complete various failure investigations – concrete issues (sidewalks, pavers, foundation, etc), asphalt issues (cracking, tack coat, quality, etc) or granulars (performance, quality, etc).

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Pavement Engineering

Paterson can provide specifications for paving activities, complete various investigations, reviews, and laboratory testing to determine existing conditions or construction quality control/assurance.

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Bridge Inspection

Concrete Coring, Asphalt Coring, Dowel Pull Test, Bond Testing, Covermeter Surveys and Crack Mapping

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Onsite and Quarry Sampling for Lab Testing

Complete on-site or quarry sampling of granular materials as per municipal and/or provincial standards to provide laboratory results for QA, QC or general information purposes.

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UPV (Ultrasonic Pulse Velocity) Testing

UPV uses the direct arrival of compression waves generated by a source on one face of the concrete structure. The UPV methodology derives from the ASTM standard for UPV (ASTM C597). This is an effective method of estimating the quality of concrete by measuring the wave velocity at a receiver.

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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.