STANDARD COMPETENCIES:

 

 I.      Identify the regulations concerned with excavation projects on their worksite.

 II.     Classify soil using approved test methods.

 III.    Select proper shoring, sloping and/or shielding combinations.

 IV.     Identify hazardous associated with excavation.

 V.      Define requirements of a Competent Person in trenching.

 VI.     Design a shoring system given trench dimensions and soil type.

 VII.    Explain soil mechanics as it relates to trench failure or cave-in.

 TOPICAL OUTLINE:

 

 I.      Introduction & History of Trenching Regulations.

 II.     Excavation & Shoring Overview

 III.    Worksite Hazard Analysis

 IV.     Competent Person in Trenching

 V.      Soils Classification

 VI.     Soils Testing Methods, Visual & Manual

 VII.    Soils Mechanics as it Relates to Failure/Cave-In.

 VIII.   Hazardous Atmospheres

 IX.     Surface Encumbrances

 X       Employee Protection/Exposure to Falling Loads

 XI.     29 CFR 1926, Subpart P

 XII.    Sloping & Benching

 XIII.   Shoring

 XIV.    Shields/Trench Boxes

 XV.     Trench Protection Design, Appendix A through D.

 XVI.    Final Exam