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THE
MINISTRY OF TRADE -
THE MINISTRY OF PUBLIC SECURITY
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SOCIALIST
REPUBLIC OF VIET NAM
Independence - Freedom - Happiness
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No:
15/2001/TTLT-BTM-BCA
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Hanoi,
May 10, 2001
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JOINT CIRCULAR
ON THE EQUIPMENT
AND MANAGEMENT OF FIRE-FIGHTING MEANS IN DEPOTS OF MINERAL OILS AND MINERAL OIL
PRODUCTS
Pursuant to the Prime Minister’s Directive
No. 237/TTg of April 19, 1996 on enhancing measures for fire prevention and fighting
and in order to meet the requirements of the equipment and management of
fire-fighting means in depots of mineral oils and mineral oil products.
The Ministry of Trade and the Ministry of Public Security hereby jointly
provide for the equipment and management of fire-fighting means in depots of
mineral oils and mineral oil products as follows:
1. GENERAL PROVISIONS
1.1. This Circular provides for the equipment
and management of fire-fighting means, applicable to depots of mineral oils and
mineral oil products in liquid form in the whole country, but not to liquefied
gas (LPG) depots as well as mineral oils and mineral oil products depots, which
are built in caves or on water surface.
1.2. The designing for construction, renovation,
expansion and operation of depots of mineral oils and mineral oil products must
be based on this Circular for calculation and equipment of fight-fighting
means.
1.3. The terms used in this Circular shall be
construed as follows:
1.3.1. Depots of mineral oils and mineral oil
products mean establishments which receive, preserve, prepare and distribute
mineral oils and their products in liquid form.
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1.3.3. Stationary fire-fighting system is a
combination of specialized technical equipment, pipelines and
fire-extinguishing agents used for fire extinguishment, which are fixed.
1.3.4. Semi-stationary fire-fighting system is a
combination of specialized technical equipment, pipelines and
fire-extinguishing agents used for fire extinguishment, part of which is fixed
while the remainder shall be installed and connected when fire fighting is
carried out.
1.3.5. Fire-extinguishing agents mean natural
substances or compounds, which can break or extinguish fires (including: air-
foaming agents, water, powder, chemical foam, inert gases...).
1.3.6. Foaming solution-ejection intensity means
the amount of foaming solution ejected to a fire within a time unit over an
area unit (l/s.m2).
1.3.7. Fire-fighting foam with low swelling
multiple means the foam, which, when activated by technical equipment, has a
swelling value below or equal to 20 times the initial volume of the foaming
solution.
1.3.8. Fire-fighting foam with average swelling
multiple means the foam, which, when activated by technical equipment, has a
swelling value of more than 20 to 200 times the initial volume of the foaming
solution.
1.3.9. Fire-fighting means include machinery,
equipment, tools, chemicals and other support instruments used exclusively for
fire fighting.
1.3.10. Primary fire-fighting means include fire
fighting tools and facilities, which are equipped enough to extinguish
newly-arising and small fires.
2. EQUIPMENT OF FIRE-FIGHTING MEANS
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2.1.1. Depots of mineral oils and mineral oil
products with general capacity of over 50,000 m3 must be equipped
with at least 2 fire engines.
2.1.2. Depots of mineral oils and mineral oil
products with general capacity of between 15,000 m3 and 50,000 m3
must be equipped with at least 1 fire engine and 1 mobile fire pump.
2.1.3. Depots of mineral oils and mineral oil
products with general capacity of under 15,000 m3 must be equipped
with at least 1 mobile fire pump and 1 reserve pump with the same technical
properties as the main one.
2.1.4. Fire engines and mobile fire pumps
equipped for depots of mineral oils and mineral oil products must ensure the
necessary flow and pressure and must have the properties to fight fires with
water and foam.
2.2. Depots of mineral oils and mineral oil
products must be equipped with primary fire-fighting means with the specific
quantities and of the categories specified in Appendix 1 (not printed herein).
Particularly for fire extinguishers, in addition to the quantity specified in
Appendix 1, it is necessary to put in reserve a definite quantity of fire
extinguishers of each category, which shall be calculated on the following
principles:
- For a quantity of 5 fire extinguishers, 2 more
in reserve are required;
- For a quantity of between 6 and 10 fire
extinguishers, the reserve quantity shall be 2 + 1= 3;
- For a quantity of between 11 and 15 fire
extinguishers, the reserve quantity shall be 3 + 1= 4;
- For a quantity of between 16 and 20 fire
extinguishers, the reserve quantity shall be 4 + 1= 5;
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2.3. Depots of mineral oils and mineral oil
products must be equipped with stationary or semi-stationary fire-fighting
system. The equipment of stationary or semi-stationary fire-fighting system
shall depend on the tanks’ sizes and capacities, concretely as follows:
2.3.1. Cases where stationary fire-fighting
system must be equipped:
- Aboveground tanks with the diameter of 18m or
more;
- Aboveground tanks with the capacity of 2,000 m3
or more;
- Aboveground tanks with the height of 15 m or
more;
- Semi-subterranean tanks with the capacity of
more than 4,000 m3.
2.3.2. Cases where semi-stationary fire-fighting
system must be equipped:
- Aboveground tanks with the diameter of under
18m;
- Aboveground tanks with the capacity of between
400 m3 and under 2,000 m3;
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- Semi-subterranean tanks with the diameter of
under 18 m.
- Semi-subterranean tanks with the capacity of
between 800 m3 and 4,000 m3;
- Underground tanks with the capacity of 1,000 m3
or more.
2.4. For cases where semi-stationary
fire-fighting system must be equipped, at least the following equipment of the
fire-fighting system must be fixed:
- For aboveground and semi-subterranean tanks:
foaming devices, foaming solution pipelines and tank-wall cooling pipelines
must be fixed to the tanks and run at least to the cock outside the embankment.
- For underground tanks: pumps, valve clusters,
foaming agent containers (containing foaming solution), foam-mixing equipment,
foaming solution pipelines and water pipelines to the cock outside the
embankment must be fixed.
In addition to the above-mentioned minimum
requirements, depending on the projects’ characteristics, other equipment of
the fire-fighting system may also be considered for additional installation.
2.5. In a group of tanks, if the tanks are of
different sizes, the designing of a fire-fighting system for such group must be
based on the tank with the biggest size and top fire-fighting system must be
equipped.
2.6. For tanks with the capacity of under 400 m3,
the on-spot fire engines or fire pumps shall be used.
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2.8. The amounts of foaming agents, water for
fire fighting and other fire-fighting means equipped at depots of mineral oils
and mineral oil products shall be determined by the method prescribed in
Appendix 3 (not printed herein).
2.9. The minimum ejection duration and foaming
solution ejection intensity for tank fire fighting are prescribed as follows:
2.9.1. In cases where the foaming devices fixed
onto the tank uses a foaming agent with average swelling multiple, the
provisions in Table 1 shall apply.
Table 1
Ordinal number
Types of
mineral oil and mineral oil product
Foaming
solution ejection intensity (l/s.m2)
Ejection
duration (minutes)
1
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0.08
10
2
For mineral oils and mineral oil products with
ignition temperature higher than 280C
0.05
10
2.9.2. In cases where the foaming devices fixed onto
the tank uses a foaming agent with low swelling multiple, the provisions in
Table 2 shall apply.
Table 2
Ordinal number
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Foaming
solution ejection intensity (l/s.m2)
Minimum
ejection duration
(minutes)
Foaming device
installed by mode I
Foaming device
installed by mode II
1
For mineral oils and mineral oil products with
ignition temperature below 37.80C
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30
55
2
For mineral oils and mineral oil products with
ignition temperature of 37.80C93.3 0C
0.068
20
30
3
Crude oil
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30
55
of which:
- The foaming device installed by mode I of
Table 2 is the one affixed with a foam runner to the surface of the liquid that
prevents foam from sinking or stirring the liquids surface.
- The foaming device installed by mode II of
Table 2 is the one affixed with a forefront apron to direct foam to a place from
which it spreads on the liquid’s surface, which reduces the foam sinking and
stir of the liquid’s surface.
2.9.3. In cases where the portable foaming
device uses a foaming agent with average swelling multiple, the provisions in
Table 1 shall apply. In cases where the portable foaming device uses a foaming
agent with low swelling multiple, the provisions in Table 3 shall apply.
Table 3
Ordinal number
Minimum
ejection duration
(minutes)
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Types of mineral
oil and mineral oil product
1
For mineral oils and mineral oil products with
ignition temperature below or equal to 37.80C
0.108
65
2
For mineral oils and mineral oil products with
ignition temperature of between over 37.80C and 93.30C
0.108
50
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Crude oil
0.108
65
2.10. The coefficient (K) of foaming agent
reserve used for fire fighting at depots of mineral oils and mineral oil
products in liquid form is prescribed as follows:
- For foaming agent with average swelling
multiple: K = 3.
- For foaming agent with low swelling multiple:
K = 2.
2.11. At depots of mineral oils and mineral oil
products, the solution pipelines and cooling water pipelines systems must be
designed separately. For the stationary fire-fighting foam system using
quantitative equipment with a separate foam pump independent from water pump, a
reserve foam pump with capacity equivalent to that of the main one is required.
2.12. The intensity and duration of cooling a
burning tank’s perimeter and half of perimeter of the surrounding tanks in a
distance equal to or smaller than two times the diameter of the burning tank
are prescribed as follows:
2.12.1. Cooling water intensity:
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- For surrounding tanks: 0.2 liter/second/1m of
the tank’s perimeter.
For semi-subterranean tanks: the cooling water
intensity shall be reduced by 50% as compared to the aboveground tanks.
2.12.2. The cooling water flow for underground
tanks (including burning tanks and surrounding tanks), used concurrently to
reduce temperature of the surrounding area and to cool the surface of the
adjacent underground tanks as well as fire-fighters, is calculated as follows:
the- 10 liter/second, for tanks with
1,000 m capacity of 100 3.
the- 20 liter/second, for tanks with
5,000 m capacity of 1,001 3
the- 30 liter/second, for tanks with
30,000 m capacity of 5,001 3.
the- 50 liter/second, for tanks with
50,000 m capacity of 30,001 3.
2.12.3. The duration for calculation of cooling
water volume for a burning tank and surrounding tanks must be at least 3 hours.
2.13. The volumes of water and foaming agent
(for both fire fighting and reserve cooling) must always be adequate as
required. In case of deficiency due to the loss or use, the immediate addition
thereof is required. The duration for restoration of the reserve water volume
shall be 48 hours at most; for places in short of water, the time for addition
of the reserve water volume may be longer but must not exceed 96 hours; the
duration for addition of the reserve foaming agent volume shall be 48 hours at
most.
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3. MANAGEMENT OF FIRE-FIGHTING MEANS AT
DEPOTS OF MINERAL OILS AND MINERAL OIL PRODUCTS
3.1. The agencies managing depots of mineral
oils and mineral oil products shall have to:
- Organize, drill and inspect sections and
individuals performing task of preserving and using fire-fighting means.
- Ensure the annual financial plan for adequate
equipment and management of fire-fighting means.
3.2. Individuals and sections assigned the
responsibility to preserve and use fire-fighting means shall have to organize
the performance of the following tasks:
3.2.1. To regularly and periodically inspect the
operation of fire-fighting system, ensuring that it is always in good order and
ready for fire fighting.
3.2.2. At least once a year, to conduct
all-round inspection and maintenance of the fire-fighting system with regard to
the following equipment:
- To inspect the operational status and
tightness of joints between the foaming device and tank wall as well as foaming
nets;
- To inspect the operational status and
tightness of ejectors.
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- To inspect the attrition and deformation of
water and solution pipelines;
- To inspect the filters’ rustiness;
- To inspect the tightness of joints, to check
the leaks of valves;
- To inspect foaming agent or foaming solution;
- To inspect water source for fire fighting.
3.2.3. To organize the hydraulic testing to
inspect the tightness and durability of the whole system of water and solution
pipelines; the testing pressure shall be equal to 1.25 times the working
pressure, and the inner side of the pipelines must be cleaned at least once
every 3 years.
3.2.4. To use, maintain and repair fire engines
and fire pumps as well as the accompanying appliances according to the general
stipulations of the Ministry of Public Security.
3.2.5. To inspect the quantity, quality and
place of installation of primary fire-fighting means, at least once a month; if
the requirements are not satisfied, the timely addition and remedy are
required.
3.2.6. To arrange fire extinguishers in dry and
cool places where they can be easily spotted and taken, and to avoid:
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- Letting safety valves and hoses be covered
with dust;
- Letting hoses or nozzles be blocked;
- Letting A and B drugs be mixed with one
another during their transportation and preservation.
- Letting hard objects strike on fire
extinguishers and safety valves.
3.2.7. Upon warehousing fire-extinguishing
agents, there must be technical documents and chemical test description,
clearly stating the name of producing country, the code of goods lot,
production agency, the weight of the goods lot, physio-chemical standards and
use duration.
3.2.8 The time limit for inspection of quality
of foaming agents and foaming solutions is prescribed as follows:
- For the already blended foaming agents: at
least once every 6 months.
- For pure foaming agents: at least once a year.
The method of inspecting the quality of foaming
agents and foaming solutions are prescribed in Appendix 4 (not printed herein).
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3.4. The results of monthly, quarterly and
yearly inspection of fire-fighting means must be recorded in writing and sent
to the managing agency and kept on file at the concerned units.
4. ORGANIZATION OF IMPLEMENTATION
4.1. The heads of depots of mineral oils and
mineral oil products are tasked to:
- Strictly comply with the provisions of this
Circular.
- Organize the training on fire prevention and
fight knowledge and skills; on the management, preservation and use of
fire-fighting means for their employees.
- Regularly inspect the implementation of the
regime of managing and preserving fire-fighting means so as to bring into the
fullest use their fire-fighting properties and efficiency.
4.2. The Fire Prevention and Fight Police
Department exercising the function of State management over fire prevention and
fighting shall have to guide, inspect, urge and organize the implementation of
this Circular.
4.3. The ministries, the ministerial-level
agencies, the agencies attached to the Government, the People’s Committees of
the provinces and centrally-run cities shall, within the ambit of their respective
powers, have to closely coordinate with the Ministry of Trade and the Ministry
of Public Security in directing the implementation of this Circular.
4.4. All violations of the provisions of this
Circular shall, depending on their seriousness, be handled strictly according
to law provisions.
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In the course of implementation, if any problem
arises, it should be reported to the Ministry of Trade and the Ministry of
Public Security for timely guidance and settlement.
FOR THE MINISTER OF TRADE
VICE MINISTER
Ho Huan Nghiem
FOR THE MINISTER OF PUBLIC
SECURITY
VICE MINISTER
Le The Tiem