usually held by the users shop or division and do not
require electrical safety check for use ashore. General
Industry Standards, 29 CFR 1910, and Safety and
Health Standards for Shipyard Employment, 29 CFR
1915.132, address the shore Electrical Safety Program.
Basic Electrical Safety Training
All personnel, when reporting aboard and annually
thereafter, receive indoctrination on basic electrical
safety. This indoctrination covers the requirements of
using personal protective equipment, cardiopulmonary
resuscitation (CPR), and first aid for electrical shock.
Training for all personnel is documented and kept on
The Tag-Out/Lock-Out Program is a two-fold
program. It ensures that personnel correctly tag out
equipment before conducting maintenance and that
personnel are notified when systems are not in a normal
configuration. A Tag-Out/Lock-Out Program is
necessary to prevent injury to personnel and damage to
Ships have a tag-out program, which requires the
use of paper tags or labels to indicate systems are
deenergized or under special configuration. Personnel
must follow this program in the maintenance of all
shipboard equipment, components, and systems.
OPNAVINST 5100.19B, chapter B11, and OPNAV-
INST 3120.32C, section 630.17, cover this program.
Shore activities pattern their Tag-Out/Lock-Out
Program after OSHA regulations. OPNAVINST
5100.23C, chapter 24, covers this program. The tags
used ashore are very different from those used aboard
ship, and in some instances locks arc used to lock out a
Tag-out/lock-out procedures consist of a series of
tags, adhesive labels, or locks. Personnel apply them to
instruments, gauges, or meters to show that they are
inoperative, restricted in use, or out of calibration. Each
tag contains information personnel must know to avoid
a mishap. All corrective maintenance should include
standard tag-out/lock-out procedures, including work
done by an intermediate maintenance or depot level
activity. Coordination is required between shipyard and
contract workers and afloat units when tagging-out
Training ashore and afloat is needed to ensure
personnel understand the Tag-Out/Lock-Out Program.
Detailed training is required for personnel authorized to
administer the program.
GAS FREE ENGINEERING PROGRAM
Why do we have gas free engineering? Entry into,
work in, or work on confined or enclosed spaces may
cause injury, illness, fires, or death. Hazards may result
from flammable or explosive materials or atmospheres,
toxic materials, or an oxygen-depleted atmosphere.
Personnel normally do not inhabit confined or
enclosed spaces. We consider them unsafe for entry or
work until an authorized person, usually the gas free
engineer, tests the air. Then that person issues a gas free
certificate stating the hazard or special precautions to
follow. Only by carefully retesting the air in confined
and enclosed spaces can we ensure the safety and health
of personnel working in these areas.
Health and Fire Hazards
A lack of oxygen in a confined space will not
support life and may asphyxiate workers. The presence
of toxic gases or vapors from paint or tank
contamination may cause asphyxiation or intoxication.
Flammable vapor or gas build-up could lead to a serious
explosion or tire. Any combination of the above could
lead to fatalities or serious injury or material damage if
workers try to enter or work in the unknown atmosphere.
Gas Free Certificates
The ships gas free engineer (GFE) or the shore
marine chemist is assigned to test the applicable space.
Each person must obey the requirements and limitations
outlined on a gas free certificate. The certificate is
posted at the entrance to the space. It shows the
conditions that existed at the time the tests were
conducted. The following are examples of conditions
documented on gas free certificates:
SAFE FOR PERSONNELSAFE FOR HOT
SAFE FOR PERSONNELNOT SAFE FOR
NOT SAFE FOR PERSONNELNOT SAFE
FOR HOT WORK
NOT SAFE FOR PERSONNEL WITHOUT
PROTECTIONNOT SAFE FOR HOT WORK
NOT SAFE FOR PERSONNEL INSIDESAFE
FOR HOT WORK OUTSIDE