Ergonomic analysis of construction tasks for risk factors for overexertion injuries.
Department of Civil and Environmental Engineering, Center for Construction Engineering and Management, University of Michigan, Ann Arbor, Michigan 1997 May; :1-148
Construction activities and tasks which place craft workers at risk for overexertion injuries were identified. A catalog of construction activities broken down step by step at the Basic Task level was developed. Each of 65 common construction activities was broken into tasks and evaluated for repetitive exertions, static exertions, forceful exertions, localized mechanical stresses, posture stresses, low temperature and vibration. For each risk factor each step was rated on a scale of 1 to 3, with 1 being insignificant, 2 moderate and 3 high. Virtually every activity has at least one risk factor with a score of 3. Of the 65 examined activities, 53 had at least one constituent task with at least two risk factors with scores of 3; 36 activities had at least one constituent task with at least three risk factors with a score of 3. Experiments were performed to analyze vibration in hammer handles. One steel handled hammer design transmitted significantly less vibration than a wood handled hammer. Another study evaluated the effect of drywall panel and joint orientation on productivity and postural stresses for drywall finishers. Depending on the wall geometry, the choice between vertical and horizontal joint orientation can make a large difference in the time required to finish the joints.
NIOSH-Grant; Traumatic-injuries; Construction-industry; Construction-workers; Ergonomics; Risk-factors; Work-analysis; Work-practices; Hand-tools; Vibration-exposure
Civil Engineering the University of Michigan 2352 G G Brown Ann Arbor, MI 48109-2125
Final Grant Report
NTIS Accession No.
Department of Civil and Environmental Engineering, Center for Construction Engineering and Management, University of Michigan, Ann Arbor, Michigan
University of Michigan at Ann Arbor, Ann Arbor, Michigan