Mr. Brian Grieser, a Senior Consultant, provides the following services related to human vibration and biomechanics analysis:

• Computer data acquisition and analysis of human vibration, acceleration/shock and force exertion data
• Whole-body and hand-arm vibration assessments
• Sound/noise measurement and analysis
• Ergonomics / biomechanical analyses
• Litigation technical support / expert witness

Summary of Mr. Grieser’s experience / qualifications:

• Projects involving the testing and analysis of human vibration (both whole-body vibration and hand-arm vibration), human exposure to acceleration/shock, sound/noise exposure and human force exertion. Some applications include the following:
  • Vehicle seating
  • Locomotive engines and railroad track maintenance equipment
  • Construction and mining
  • Off-road equipment
  • Heavy trucks
  • Car carrier / auto transport / auto hauler trucks
  • Lift trucks / fork trucks / fork lifts
  • Boats and boat seats
  • Power hand tools
  • Consumer / commercial chairs
• Completed NIOSH training course on “Ergonomics of Occupational Hand-Arm and Whole-Body Vibration in Industry”

Examples of human vibration standards used for testing / analysis:

• ISO 2631-1 – Mechanical Vibration and Shock- Evaluation of Human Exposure to Whole-Body Vibration – Part 1: General Requirements
• ANSI S2.72/Part 1 – Mechanical Vibration and Shock – Evaluation of Human Exposure to Whole-Body Vibration – Part 1: General Requirements (formerly ANSI S3.18)
• ISO 2631-5 – Mechanical Vibration and Shock – Evaluation of Human Exposure to Whole-Body Vibration – Part 5: Method for Evaluation of Vibration Containing Multiple Shocks
• ISO 5349-1 – Mechanical Vibration Measurement and Evaluation of Human Exposure to Hand-Transmitted Vibration Part 1: General Guidelines
• ANSI S2.70 – Guide for the Measurement and Evaluation of Human Exposure to Vibration Transmitted to the Hand (formerly ANSI S3.34)

States and countries where Mr. Grieser has consulted or provided expert witness services include:
Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Jersey • New Hampshire • New Mexico • New York • North Carolina • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Virginia • Washington • Washington D.C. • West Virginia • Wisconsin • Wyoming • U.S. Virgin Islands • Australia • Brazil • Canada • Greece • Mexico • United Kingdom