27306-14 Trencing and Excavating: Trainee Guide (5th Revised edition)
By: NCCER (author)Paperback
2 - 4 weeks availability
(Module ID 27306-14) Provides an introduction to working in and around excavations, particularly in preparing building foundations. Describes types and bearing capacities of soils; procedures used in shoring, shielding, and sloping trenches and excavations; trenching safety requirements, including recognition of unsafe conditions; and mitigation of groundwater and rock when excavating foundations.
- ID: 9780133786781
5th Revised edition
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