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THE
MINISTRY OF INDUSTRY
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SOCIALIST
REPUBLIC OF VIET NAM
Independence - Freedom - Happiness
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No.
07/2006/QD-BCN
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Hanoi,
April 11, 2006
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DECISION
PROVIDING FOR TECHNICAL STANDARDS AND CONDITIONS FOR THE USE
OF ELECTRICITY AS A MEANS OF DIRECT PROTECTION
THE MINISTER OF INDUSTRY
Pursuant to
the Government's Decree No. 55/2003/ ND-CP of May 28, 2003, defining the
functions, tasks, powers and organizational structure of the Ministry of
Industry;
Pursuant to the December 3, 2004 Electricity Law;
At the proposal of the director of the Industrial Technical Safety Department,
DECIDES:
Article 1.- The
use of electricity as a means of direct protection means the direct connection
of a source of electricity with an appropriate voltage to the metal structure
of the fence, barrier or shield (hereinafter collectively referred to as
electric fence) of a protected area in order to prevent infiltration into the
protected area. When a subject deliberately encroaching upon the protected area
comes into direct contact with its electric fence, he/she will get an electric
shock and at the same time the protection system will give alarm signals to the
guards of such area.
Article 2.- Organizations
and individuals are strictly prohibited to use electricity as a means of direct
protection to protect their properties, trap birds and rats, protect crops or
for other purposes, causing danger to humans, animals and the living environment.
Article 3.- Technical
standards of electric fences
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2. Electric
fences, installed either in combination with other protection fences or
isolatedly, must satisfy the following conditions:
a/ Electric
fences installed in combination with other protection fences must be put up
above other fences with electricity-conducting objects hung at least 2.5 meters
above the ground.
b/ For electric
fences installed isolatedly, protection fences must be erected inside and outside
electric fences so as to prevent accidental contacts between people or animals
and electric fences. The distance between electric fences and protection fences
shall not be less than 2 meters.
3. Along both
sides of an electric fence, there must be signboards reading "Stop!
Electricity, fatal danger" put up at noticeable places. The distance
between two signboards shall not exceed 20 meters. Signboards shall be hung
fixedly 1.7-2 meters above the ground. The design of signboards shall comply
with Vietnam standard TCVN 2572-78.
Notes: A
signboard shall be 360x240 mm2 in size. Its background is in white,
the letters are in black; the frame and voltage signal are in bright red.
4. Voltage used
for electric fences is specified as follows:
a/ Below 1,000
V, in cases of using alternating current electric sources;
b/ Unspecified,
in cases of using direct current electric sources.
5. At the
working places of persons on watch, there must be sound and light alarm
systems. Alarm systems must be set off when power failure occurs at electric
fences, the electric current is earthed or short-circuited. Alarm signals can
be switched off only by persons on watch. The operation of alarm systems shall
be checked by pressing testing buttons when the watch work is handed over
between two teams of guards.
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a/
Electricity-conducting objects used for electric fences may be metal plates,
nets, wires or bars. If steel-plated wires or steel nets are used, their cross-section
shall not be less than 6 mm2. Where copper wires or aluminum wires
are used, their cross-section shall not be less than 10 mm2. There
must be no joint in single conducting wires between two supports so as to
ensure mechanical durability. Where it is necessary to conjoin two wires, the
ends of these two wires shall be first fixedly tied round a porcelain insulator
by a clamp, and twisted or welded together.
b/
Electricity-conducting objects must be fitted firmly and fixedly on porcelain
insulators. The distance between two porcelain insulators supporting an
electricity-conducting object shall not exceed 5 meters. The distance between
two electricity-conducting objects of two adjacent phases or between a phase
and the ground shall not exceed 0.2 meter.
c/ Ordinary
porcelain insulators shall be placed at an angle of no more than 45° vertically
so as to prevent electric leakage caused by rainwater. Where it is necessary to
place insulators at an angle exceeding 45°, reinforced porcelain insulators must
be used.
Article 4.- Conditions
for using electricity as a means of direct protection
Agencies,
organizations and units may use electricity as a means of direct protection
only after they have unsuccessfully applied all other protection measures and
meet all following conditions:
1. They have
obtained written permission of the Ministry of Public Security or the Ministry
of Defense (for army units) as defined in Clause 4, Article 59 of the
Electricity Law.
2. Electric
fences must be designed by agencies which have electricity expertise and the
legal person status and be directly approved and tested by agencies which
permit the use of electricity as a means of direct protection.
3. Operators of
electricity fences shall satisfy all the following criteria:
a/ Having been
trained in electrotechnics, having certificates or diplomas granted by qualified
electrotechnics-training establishments;
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c/ Having been
trained in security operations by establishments which have the legal person
status and the function of training in security operations.
4. Procedures
and forms in service of the management, operation, inspection and maintenance
of electric fences, and electric safety processes are already available.
5. Electric
fences may be put into operation only after investors have completed the
take-over test according to regulations and hand over all plans and documents
related to the construction of electric fence systems to managing and operating
units, and the latter have arranged adequate personnel according to
regulations.
Article 5.-
Procedures of application for permission to use electricity as a means of
direct protection
1. Agencies and
units wishing to use electricity as a means of direct protection shall
elaborate a plan thereon and send a written application to the Ministry of
Public Security or the Ministry of Defense (for army units) for consideration
and decision.
2. Agencies
permitting the use of electricity as a means of direct protection shall, within
the scope of their management, carry out take-over tests, regular inspection,
and oversee the application of safety measures at agencies and units permitted
to use electricity as a means of direct protection.
Article 6.-
Organization of implementation
1. The Industry
Ministry's Industrial Safety Technique Department shall coordinate with
functional agencies under the Ministry of Public Security, the Ministry of
Defense, and provincial/municipal People's Committees and Industry Services in
disseminating, guiding, supervising and inspecting the implementation of this
Decision.
2. If fatal
accidents related to their electric fences occur, agencies and units shall
immediately notify their superior agencies, police offices or military offices
(for army units) and local Industry Services thereof for coordinated
investigation and identification of causes and responsibilities.
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Article 7.-
1. This
Decision takes effect 15 days after its publication in "CONG BAO" and
replaces the Industry Minister's Decision No. 54/2001/QD-BCN of November 14,
2001, promulgating the Regulation on the use of electricity as a means of
direct protection.
2. Agencies,
organizations and units which have been permitted by the Ministry of Defense or
the Ministry of Public Security to use electricity as a means of direct
protection under the provisions of Decision No. 54/2001/QD-BCN shall not have
to carry out procedures for application for permits but must satisfy all
criteria and conditions defined herein.
3. Agencies and
organizations which have been permitted by ministries, ministerial-level
agencies or provincial/municipal People's Committees to use electricity as a
means of direct protection under Decision No. 54/2001/QD-BCN shall have to
carry out procedures of application for permission of the Ministry of Public
Security according to the provisions of Clause 4, Article 59 of the Electricity
Law.
Article 8.- Ministries,
ministerial-level agencies, Government-attached agencies, provincial/municipal
People's Committees, the Managing Board and the General Director of the
Electricity of Vietnam, and heads of concerned agencies and units shall have to
implement this Decision.
MINISTER
OF INDUSTRY
Hoang Trung Hai