Pattison Engineering, LLC

Pattison Engineering provides geotechnical site evaluations, laboratory analyses, and engineering recommendations to support cost-effective foundation design and construction.

• Geotechnical Site Evaluations

  Evaluates subsurface conditions, monitors grading, utility, and subgrade construction, and conducts on-site testing and monitoring.

• Soil Mechanics Laboratory Services

  Performs thorough laboratory analysis of soil conditions in an in-house laboratory in conformance with standardized test methods and quality assurance programs.

• Mechanically Stabilized Wall Design

  Provides structural design and engineering evaluations for mechanically stabilized earth walls.

• Foundations and Specialty Analysis

  Provides specialty analysis and design recommendations for post-tension and mat foundations, shallow spread footings, drilled piers, driven and auger-cast piles, and excavation shoring.

• Soil Stabilization and Ground Improvement

  Evaluates subsurface conditions and suggests ground improvements, moisture adjustments, structural fill suitability, and soil stabilization solutions.

• Slope Stability Analysis

  Performs engineering analysis to assess and mitigate slope instability hazards.

• Settlement Analysis

  Evaluates potential ground settlement to ensure long-term foundation performance.

• Forensic Geotechnical Investigations

  Investigates foundation and soil-related failures to identify root causes and suggest remedial actions.

Pattison Engineering operates an in-house AASHTO R18 accredited laboratory performing mechanical, hydraulic, and physical testing on concrete, asphalt, soils, and structural steel in accordance with AASHTO, ACI, ASTM, EPA, and ADOT standards.

• Concrete Testing

  Performs compressive and flexural strength tests, batching equipment inspections, concrete sampling (air, slump, temperature, unit weight), and cylinder creation.

• Asphaltic Concrete Testing

  Performs aggregate gradation, asphaltic content, bulk specific gravity, stability, and flow testing, along with batch plant monitoring and field quality control.

• Aggregate Testing

  Provides complete quantitative and qualitative aggregate testing to determine suitability for construction applications.

• Masonry Testing

  Performs qualitative testing on selected masonry units, including strength determinations of mortar and grout.

• Soils Testing

  Conducts compaction testing, moisture adjustment determinations, and structural fill suitability analyses to support earth grading activities.

• Structural Steel Inspection and Testing

  Performs shop and field welding inspections, high-strength bolt testing, and structural steel evaluations.

The practice provides construction inspection and observation services, utilizing engineers and certified inspectors to verify compliance with approved project specifications.

• Special Inspections

  Provides special inspections and structural reviews to verify compliance with project specifications and building codes.

• Nondestructive Testing of Structures

  Performs nondestructive inspections of structural components and materials.

• Construction Observation

  Offers field observation of grading, utility, and general construction activities to ensure adherence to recommendations.

• Forensic Investigations of Failures

  Conducts detailed investigations of construction failures to evaluate structural deficiencies and design defects.