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2. Helps establish a relationship with employees to improve 7. Supervisors need to familiarize themselves with the
trust and communication safety and health hazards to which employees under their
immediate direction and control may be exposed.
3. Is participatory and involves employees by drawing on their 3203(a)(7)(F)
own real life experiences
8. Tailgate or toolbox safety meeting are held (at least every
4. Allows group hazard identification and problem solving by 10 working days). 1509(e)
means of demonstrations, asking questions, discussing
ideas, and providing observations and stories Exception: For tunneling operations tailgate meetings
must be held weekly. 8406(e)
5. Provides opportunities to demonstrate newly learned safe
work practices and the safe use of tools, equipment, and Note: Cal/OSHA has a large number of regulations which
chemicals require employee training. The list above includes only some
of the Cal/OSHA regulations which require training.
6. Provides concrete safety and health changes in how work is
set-up and performed The complete set of Cal/OSHA regulations in Title 8 can be
found at www.dir.ca.gov/samples/search/query.htm.
7. Is repeated as often as necessary
8. Encourages employees to express safety concerns and to
make suggestions Tunnels and Tunneling
For help with your workplace training see the Effective Workplace Employees working on tunneling operations are exposed to
Training eTool (www.dir.ca.gov/dosh/etools/09-002/index.htm). numerous hazards, including:
B. Training Requirements 1. Tunnel collapses;
The specific Cal/OSHA training requirements that apply to each 2. Hazardous atmospheres; and
worksite depend on the work activities that employees are
involved Cal/ OSHA has a list of Safety and Health Training and 3. Explosive atmospheres.
Instruction Requirements organized by training topics. This list
has requirements contained in the CSOs and GISOs Employees working on pressurized tunneling operations may
(www.dir.ca.gov/dosh/dosh_publications/TrainingReq.htm). also be exposed to hazardous hyperbaric conditions.
The SOs require training employees when: When employees work in tunnels and in underground chambers
of any depth and in shafts planned to exceed 20 ft. in depth,
1. They are first hired. 1510(a), 3203(a) the following operations are subject to the Tunnel Safety Orders
2. They will operate machinery and equipment (see the (TSOs):
Qualified Person section in this guide). • Pipe-jacking and boring
3. They are given a new job assignment for which they have • Micro-tunneling
not previously received training. 3203(a)(7)(C)
• Mechanized tunneling
4. They are exposed to known job-site hazards, such as
poisons, hazardous materials and gases, harmful plants and • Drill and blast work
animals, etc. 1510(c)
• Excavation
5. New substances, processes, procedures, or equipment are
introduced to the workplace and represent a new hazard. • Ground support work
3203(a)(7)(D) • Repair and maintenance
6. The employer is made aware of a new or previously • Tunnel renovations
unrecognized hazard. 3203(a)(7)(E)

138 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 139