Evidence over six decades shows that nuclear power is
a safe means of generating electricity. The risk of accidents
in nuclear power plants is low and declining. The consequences of an
accident or terrorist attack are minimal compared with other commonly accepted
risks.
Safety is taken very seriously by those working in nuclear power
plants. The main safety concern is the emission of uncontrolled radiation into
the environment which could cause harm to humans both at the reactor site and
off-site. People are aware of the potential danger of nuclear in release
of radioactive materials from generating electricity with nuclear power.
With a view to ensuring the protection of people and the
environment from harmful effects of ionizing radiation, the International
Atomic Energy Agency (IAEA) safety standards established fundamental safety
principles, requirements and measures to control the radiation exposure of
people and the release of radioactive material to the environment, to restrict
the likelihood of events that might lead to a loss of control over a nuclear
reactor core, nuclear chain reaction, radioactive source or any other source of
radiation, and to mitigate the consequences of such events if they were to
occur. The standards apply to facilities and activities that give rise to
radiation risks, including nuclear installations, the use of radiation and
radioactive sources, the transport of radioactive material and the management
of radioactive waste.
Nuclear safety and security covers the actions taken to
prevent nuclear and radiation accidents or to limit their
consequences. Nuclear power safety depends on intelligent planning, proper
design and back-up systems. As in other industries, the design and
operation of nuclear power plants aims to minimize the likelihood of accidents,
and avoid major human consequences when they occur.
There is no need fearing radiation doses as they are controlled by
the use of remote handling equipment for many operations in the core of the
reactor. Other controls include physical shielding and limiting the time
workers spend in areas with significant radiation levels.
Several tests and analysis program shows that less radioactivity
escapes from molten fuel than initially assumed, and that most of this
radioactive material is not readily mobilized beyond the immediate internal
structure. Thus, even if the containment structure that surrounds all modern
nuclear plants were ruptured, as it has been with at least one of the Fukushima
reactors, it is still very effective in preventing escape of most radio
activities.
There have been three major reactor accidents in the history of
nuclear power - Three Mile Island, Chernobyl and Fukushima. These are the only
major accidents to have occurred in commercial nuclear power operation in 33
countries. Apart from Chernobyl, no nuclear workers or members of the
public have ever died as a result of exposure to radiation due to a commercial
nuclear reactor incident.
In cases of a meltdown accident, there is no-one need to fear of
any potential public health tragedy because of a fuel meltdown. Fukushima
made that clear, with a triple meltdown causing no fatalities or serious
radiation doses to anyone.
This evidence is a clear indication that nuclear power is a safe
means of generating electricity. The risk of accidents in nuclear power plants
is low and declining. The consequences of an accident or terrorist attack are
minimal compared with other commonly accepted risks. Radiological effects on
people of any radioactive releases can be avoided based on assumption by World
Nuclear Association.
Some of major safety precautions that the Kenyan government will
have to take while setting up a nuclear power plant are: High-quality design
and construction, equipment which prevents operational disturbances or human
failures and errors developing into problems, comprehensive monitoring and
regular testing to detect equipment or operator failures, redundant and diverse
systems to control damage to the fuel and prevent significant radioactive
releases, provision to confine the effects of severe fuel damage (or any other
problem) to the plant itself. These will help in controlling reactivity,
cooling the fuel and contain radioactive substances.
An integrated and consistent set of Safety
Requirements established by IAEA require the protection of
people and the environment, both now and in the future. The requirements
are governed by the
objective and principles of the Safety Fundamentals.If the
requirements are not met, measures must be taken to reach
or restore the required level of safety and Kenya is no exception.
or restore the required level of safety and Kenya is no exception.
Michael.
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