Service Areas

Laboratory Testing: Asphalt

Paterson 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.

LS-200 Penetration of Bituminous Materials
LS-204 Solubility of Bituminous Materials in Trichloroethylene
LS-284 Recovery of Asphalt from Solution by Abson or Rotavapor
Hot Mix Asphalt Mix Design and Verification Testing (Marshall Mixes)
LS-261 Preparation of Marshall Specimens
LS-262 Bulk Relative Density of Compacted Bituminous Mixtures
LS-263 Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus
LS-264 Theoretical Maximum Relative Density of Bituminous Paving Mixtures
LS-265 Determination of Percent Air Voids in Compacted Dense Bituminous Pavement Mixtures
LS-283 Resistance to Stripping of Asphalt Cement in Bituminous Mixture by Marshall Immersion
LS-600 Dry Preparation of Aggregates for the Determination of Physical Constants
LS-602 Sieve Analysis of Aggregates
LS-604 Relative Density and Absorption of Coarse Aggregate
LS-605 Relative Density and Absorption of Fine Aggregate
LS-282 Quantitative Extraction of Asphalt Cement and Analysis of Extracted Aggregate from Bituminous Paving Mixtures
LS-291 Quantitative Extraction of Asphalt Cement and Mechanical Analysis of Extracted Aggregate from Bituminous Paving Mixtures – Ontario Procedure Superpave Mix designs and Verifications
AASHTO T 84 Specific Gravity and Absorption of Fine Aggregate
AASHTO T 85 Specific Gravity and Absorption of Coarse Aggregate
AASHTO T 166 Bulk Specific Gravity of Compacted Asphalt Mixtures Using Saturated Surface-Dry Specimens
AASHTO T 176 Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test
AASHTO T 209 Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
AASHTO T 283 Resistance of Compacted Asphalt Mixtures to Moisture-Induced Damage
AASHTO T 304 Uncompacted Void Content of Fine Aggregate (Method A)
AASHTO T 312 Preparing and Determining the Density of Hot-Mix Asphalt (HMA) Specimens by Means of the Superpave Gyratory Compactor
ASTM D4791 Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate
ASTM D5821 Determining the Percentage of Fractured Particles in Coarse Aggregate
AASHTO T 166 Bulk Specific Gravity of Compacted Asphalt Mixtures Using Saturated Surface-Dry Specimens
AASHTO T 209 Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
AASHTO T 283 Resistance of Compacted Asphalt Mixtures to Moisture-Induced Damage
AASHTO T 312 Preparing and Determining the Density of Hot-Mix Asphalt (HMA) Specimens by Means of the Superpave Gyratory Compactor
LS-335 – Hamburg Wheel
LS-336 – DCT
LS-334 – FIT-SCB
AASHTO TP114-18 – Interlayer Shear Strength
LS-200, LS-216 – Tack Coat Quality

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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

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

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.

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.

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.