Page 83 - Safety Memo
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Illustration 8 | Benching & Sloping For Excavations Made in Type "C" Soil
Illustration 7 | Benching & Sloping For Excavations Made in Type "B" Soil
D. Safety orders pertaining to shafts and wells include the
following:
1. All shafts and wells more than 5 ft. deep into which workers
are required to enter must be retained with lagging, spiling,
or casing. 1542(a)(1)
2. Tests or procedures shall be performed before entry into
exploration shafts to ensure the absence of dangerous air
contamination or oxygen deficiency. 1542(c)(3), 5158
54 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 55