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MINISTRY OF PUBLIC SECURITY
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SOCIALIST REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
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No. 52/2020/TT-BCA
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Hanoi, May 26, 2020
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CIRCULAR
ISSUING NATIONAL
TECHNICAL REGULATION ON STATIONARY PUMPS FOR FIRE PROTECTION
Pursuant to the 2018 Law on Public
Security;
Pursuant to the 2006 Law on Technical
Standards and Regulations;
Pursuant to the Government's Decree No.
01/2018/ND-CP dated August 6, 2018, defining the functions, tasks, powers and
organizational structure of the Ministry of Public Security;
Upon the request of the Director of the
Central Department of Fire Safety, Firefighting, and Rescue;
The Minister of Public Security herein
promulgates the Circular issuing the National Technical Regulation on
stationary pumps for fire protection No. QCVN 02:2020/BCA.
Article 1. National Technical
Regulation on stationary pumps for fire protection No. QCVN 02:2020/BCA is
enclosed herewith.
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This Circular is entering into force as
from October 4, 2020.
Article 3. Implementation responsibilities
1. Director of the Central Department of Fire Safety,
Firefighting, and Rescue shall have the burden of inspecting, supervising and
pushing for implementation of this Circular.
2. Heads of units directly under the Ministry of Public
Security, Directors of Police Departments in centrally-affiliated cities and
provinces and concerned entities and persons shall be obliged to implement this
Circular.
In the course of implementation hereof,
should there be any issue or problem, Police forces of units, local authorities
and entities or persons involved must report to the Ministry of Public Security
(Central Department of Fire Safety, Firefighting, and Rescue) for timely
instructions./.
MINISTER
General To Lam
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NATIONAL TECHNICAL REGULATION ON STATIONARY PUMPS FOR FIRE
PROTECTION
PREFACE
QCVN 02:2020/BCA is
composed by the Central Department of Fire safety, Firefighting, and Rescue as
a chief author; reviewed by the Ministry of Science and Technology; and
released by the Ministry of Public Security as an annex to the Circular No. 52/2020/TT-BCA
dated May 26, 2020.
NATIONAL TECHNICAL REGULATION ON STATIONARY PUMPS FOR FIRE
PROTECTION
1.
GENERAL
PROVISIONS
1.1. Scope of
application
This Regulation lays
down safety and technical requirements for design, installation, operation, testing,
field inspection, maintenance and management of stationary pumps for fire
protection.
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Not only does this Regulation
apply, but other fire safety requirements set out in other relevant documents
are also obeyed.
1.2. Subjects of
application:
This Regulation is
binding upon agencies, entities and persons involved in design, installation,
operation, testing, field inspection, maintenance and management of stationary
pumps for fire protection within the territory of Vietnam.
1.3. Referenced
publications
References used
herein are those in the version mentioned hereunder. If any reference has been
replaced by another version thereof, the new version of such reference,
including amendments or supplements (if any), shall prevail. They include:
1.3.1. QCVN
06:2020/BXD: National Technical Regulation on fire safety for buildings and
constructions.
1.3.2. TCVN 2622:1995:
Fire safety for buildings and constructions – Technical requirements;
1.3.3. TCVN
4513:1988: Internal water supply – Design standard.
1.3.4. TCVN
7336:2003: Fire protection - Automatic sprinkler systems - Design requirements
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For the purpose of
this Regulation, terms used herein shall be construed as follows:
1.4.1. Stationary
pump for fire protection: A complex of pieces of equipment, including
fire pumps, jockey pumps and fittings or accessories that interconnect to form
a system to supply firefighting water to extinguishing systems. The operating
scope of a stationary pump for fire protection extends from the suction pipe to
the stop valve connected to the main pipeline of the extinguishing system.
1.4.2. Fire pump: An assembly set
comprising a fire pump, drive motor, controller and other fittings or accessories.
A fire pump is composed of the duty (main) fire pump, the standby pump and the jockey
pump.
1.4.3. Pressure
maintenance (jockey or make-up) pump: A pump designed to maintain the fire
extinguishing system’s pressure within the preset limits when firefighting
water does not flow.
1.4.4. Fire pump: A pump providing
firefighting water pressure and flow.
1.4.5. Vertical
turbine (vertical shaft turbine-type) fire pump: A centrifugal pump
containing one or more staged impellers vertically mounted on the same pump
shaft; the discharge outlet perpendicular to the shaft and the suction inlet.
1.4.6. Diesel
engine: An internal combustion engine in which the fuel is completely
burned by the heat generated from compression of air occurring in the
combustion chamber.
1.4.7. Fire pump controller:
A
combination of devices used for commanding, in a predetermined manner, the start
and stop of the fire pump drive, monitoring and signaling the status and
condition of a fire pump cluster.
1.4.8. Series fire
pump unit: A pump set in place to operate in a series arrangement where
the first fire pump takes suction directly from a water supply and each
sequential pump takes suction under pump pressure from the preceding pump. Two
pumps that operate in series through a tank(s) or break tank(s) are not
considered part of a fire pump cluster.
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1.4.10. Drawdown: The vertical difference
between the pumping water level and the static water level in a water tank.
1.4.11. Alarm signal
for fire pump supervision (supervisory signal):
A signal used for
supervision and notification of the operational condition of a fire pump
system.
1.4.12. Value of rotor
overcurrent protection for a motor: A current value which is set to operate an overcurrent
protection device when the current passing through a motor's rotor reaches this
value in the specified time.
1.4.13. Phase loss
(phase failure): An event in which one or more, but not all of, phases of a
multiphase power supply is/are lost.
1.4.14. Pressure
regulating device: A device designed for reducing, regulating, and
controlling or restricting water pressure.
1.4.15. Switch
- Isolating switch:
A switch intended for isolating an electric circuit from its source of power. It
has no interrupting rating, and it is intended to be operated only after the
circuit has been open by some other means.
- Automatic
transfer switch (ATS): Self-acting equipment for transferring the connected
load from one power source to another power source.
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1.4.16. Pressure
reducing valve: A valve which is designed for the purpose of reducing the
hydraulic pressure of water running through it in the direction from the pump
to firefighting devices.
1.4.17. Relief valve:
A
valve that is automatically open to let water flow at the preset pumping
pressure in order to control pressure inside the pumping system at a specified
value.
1.4.18. Limit of fire resistance for
a construction component determined by the time (in minutes) from the start of a
fire resistance test performed in the standard temperature mode to the
appearance of one or more consecutive signs of the prescribed limit states at
the given component as follows:
- Loss
of load-bearing capacity (load-bearing capacity is designated by the letter
“R”);
- Loss of integrity
(integrity is designated by the letter “E”);
- Loss of thermal
insulation (thermal insulation is designated by the letter “I”).
1.4.19. Fire
prevention structure and fire resistance level (sometimes rating, category or
class):
Fire prevention
structure and fire resistance level are defined and categorized as per QCVN
06:2020/BXD.
1.5. General
provisions
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- It is accessible
for operation and repair.
- It is protected
from any damage caused by fire, explosion, inundation, acts of sabotage and
other adverse condition.
- It is easily
reached from outside in case of any fire or explosion emergency that occurs.
1.5.2. Fire pump
components must adapt to the environmental conditions under which they are
installed, such as humidity, temperature, their elevation compared to sea
level, degree of corrosion caused by water and moisture.
1.5.3. During use, operation,
maintenance, repair and replacement of fire pump components must adhere to user
manuals and instructions for care and maintenance provided by manufacturers and
this Regulation.
2.
DESIGN
AND INSTALLATION OF STATIONARY PUMPS FOR FIRE PROTECTION:
2.1. Location of a
stationary pump for fire protection
2.1.1. A stationary pump
for fire protection shall be separate from and independent of other
constructions
It must be placed
inside a pump house and at the minimum distance of 16 m from other houses and
structures (No distance requirement is applied when a stationary pump for fire
protection is placed inside a pump house with fire resistance level I or II ;
or when there is a fireproof wall between a stationary pump for fire protection
and other construction).
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The pump room or
house must be isolated from other room or house by the wall with the minimum
fire resistance level REI 150; the fireproof floor with the minimum fire
resistance level REI 60; the fireproof door with the minimum fire resistance
level EI
70. It is placed on the first floor or the first basement. It is permitted to
place the stationary pump for fire protection on any other overhead floor of a
building as long as the pump room has an exit access door connecting to or
communicating with the buffer zone that encloses the exit staircase through the
protected passageway of a fire resistance category 1.
2.1.3. A stationary pump
for fire protection shall be permitted to be located within the same room or
house as the potable water or tapwater pump.
2.1.4. The minimum
permitted distance between equipment installed in the pump room shall be
regulated as follows:
- The distance from
the side edge of the foundation where the pump base is built and electric motor
to the building wall, and between the bases, shall be 70mm;
- The distance from
the pump base edge on the suction pipe side to the wall surface of the opposite
building shall be 1 m; from the pump base edge on the electric motor side to
the building wall surface shall not be less than the required distance to
withdraw the rotor of the electric motor without needing to remove the electric
motor from the pump base.
- For fan-cooled
diesel engines, the distance from the building wall to the radiator shall not
be less than 3 times the height of the radiator of the diesel engine if there
is no air release outlet directly venting air from the stationary pump for fire
protection. Such distance may be at least 2 m.
- The diesel oil
tank bottom shall be higher than the high-pressure pump inlet of the diesel
engine. Where the manufacturer has not yet specified the distance between the
diesel oil tank bottom and the high-pressure pump inlet of the diesel engine,
the acceptable distance can be 1.2 m.
- Placing the fuel
tank of an internal combustion engine too close to the pump controller without
any in-between wall or partition shall not be allowed. The minimum distance
from the fire pump controller and the fuel tank shall be 2 m when there is none
of walls or partitions separating them from each other.
A pump with
discharge pipe diameter from 100 mm or more is allowed to be located along the
wall or partition without needing to have any passage between the pump and the
wall on condition that the distance from wall to the foundation for the pump shall
not be less than 200 mm. It is allowed to locate two pumps on the same foundation
without the need to arrange a passageway between them provided that there shall
be a separate passageway not less than 700mm in width around the foundation.
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2.1.6. Pump room or house
shall measure 6 m by 9 m or, if greater, a fire hydrant with the flow rate
of 2.5 l/s shall be set in place. Where a pump room or house is used to enclose
a diesel engine and diesel fuel tank, it shall be protected by an automatic
fire fighting system.
2.1.7. Pump rooms or
houses shall be provided with emergency lighting; emergency lights shall
be connected to standby power supply to be capable of maintaining the lighting
level for a minimum of 3 hours, but not connected to a battery used for
starting the pump engine.
2.1.8. The pump room or
pump house shall be provided with a floor drainage system that will prevent it
from being inundated.
2.1.9. Provision shall be
made for mechanical or natural ventilation of a pump room or pump house. The ventilation
system must control the maximum air temperature to 40°C at a stationary pump
for fire prevention.
2.1.10. Fire pump
engines, fuel supply tanks and controllers shall be safely grounded. Ground wires shall
be made of copper wires or sheets. The minimum section of each ground wire for
a pump engine shall be 25 mm2; for a fuel supply tank, 10 mm2;
and for a controller, 5 mm2.
2.1.11. Firefighting water
tank
When a water tank
serves domestic and fire protection systems in a building, the suction piping
system for domestic water supply shall be connected above the level required
for fire protection demand. An automatic refill valve and a mechanical refill
valve shall be provided separately on each water tank.
2.2. Fire
pumps2.2.1. Rules for selection of fire pumps
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A fire pump shall
be selected based on rated capacity and head curve shapes (pump characteristics
curves) given by each manufacturer so that the rated capacity for the selected
pump shall range from 90% to 140% shown on the pump performance characteristic
curves.
When a body of
water is placed under the centerline of the discharge pipe and the water supply
pressure is not enough to force water into a fire pump, vertical shaftline
turbine pumps shall be used. In this case, use of horizontal-shaft
centrifugal pumps shall be prohibited.
2.2.2. Capacity and head
of fire pumps
Fire pumps shall
possess the capacity and head characteristics satisfying the following
requirements and as indicated in the following figure:
- Pumps shall
furnish not less than 150% of rated capacity.
- The head on a
fire pump at the rated capacity shall not be less than the rated head.
- The shutoff head
on a fire pump shall range from a minimum of 101% to 140% of rated head.
- Head at 150% of
rated capacity on a fire pump shall not be less than 65% of rated head.
2.2.3. Pump drivers
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2.2.4. Suction pipes of
stationary pumps for fire protection
If each pump
station has at least 02 pumps, at least 02 suction pipes shall be provided. Each
pipe shall suction a rated maximum amount of firefighting water. If either of
the two pipes is damaged or needs being maintained or repaired, pumps can still
take suctions from the other suction pipe. Suction pipes shall be provided
with a valve. On water supply pipes, a pressure gauge shall be installed for
testing and field inspection service and a drain valve 65 mm shall be provided.
When using vertical turbine pumps, the number of suction pipes shall not be
regulated.
2.2.5. Start and stop
settings of fire pump components
- Stop pressure of
a jockey pump equals 115% of the working pressure of the fire pump plus the
static pressure at the suction flange of the compensator pump.
- Start pressure of
a jockey pump is at least 01 bar lower than its stop pressure.
- Start pressure of
the main fire pump is at least 0.5 bar lower than the stop pressure of a jockey
pump.
- Start pressure of
the standby fire pump is at least 01 bar lower than the start pressure of the
duty pump.
- Start pressure of
a relief valve or drain valve is from 0.1 to 0.5 bar greater than stop pressure
of a jockey pump.
- Duty pump and
standby pump set for automatic starting shall be shut down by operation of a
pushbutton at a pump controller. Automatic shutdown after automatic start of
fire pumps shall be permitted only if all starting and running causes have been
returned to normal, and after a minimum run time set for at least 10 minutes. Where
fire pumps serve as the only water supply for the fire sprinkler or standpipe system
of a building, the automatic shutdown of these fire pumps shall not be
permitted.
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Figure: Pump characteristics curves
2.2.6. Series fire pump
units
2.2.6.1. Arrangement rules
- No more than
three pumps shall be allowed to operate in series as a part of a series fire
pump unit.
- No pump in a
series pump unit shall be shut down automatically for any condition of suction
pressure.
- No
pressure-reducing or pressure-regulating valves shall be installed between fire
pumps arranged in series as a part of a series fire pump unit.
2.2.6.2. Series fire pump
unit performance
- A series fire
pump unit (pumps, rotating or driver shafts, controllers and fittings or other accessories)
shall perform in compliance with this Regulation as an entire unit
- Within 20 seconds
after a demand to start, pumps in series shall supply and maintain a stable
discharge pressure (±10 percent) throughout the entire range of operation.
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- The complete
series fire pump unit shall be field acceptance tested for proper performance
in accordance with the provisions of this Regulation.
2.2.7. Each fire pump
shall be provided with automatic air release valve to vent air and air bubbles.
2.2.8. Quantity and
capacity of standby pumps
A standby pump with
capacity equivalent to the duty pump shall be provided for each fire pump. The
number of standby pumps is regulated as follows:
- Where the
estimated number of running pumps ranges from one to three, a standby pump
shall be provided.
- Where the
estimated number of running pumps is at least four, at least 02 standby pumps
shall be provided.
2.2.9. Fire pumps shall be
marked on their casing according to regulations in force, indicating the basic
technical specifications below:
- Pump make/design
- Pump model/type
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- Flow rate
- Pump net pressure
(rated pressure at 100%)
- Pump net pressure
at 150% of rated flow
- Pump net shutoff
(churn) pressure (0 flow)
- Rated maximum
capacity of the fire pump engine
- Rated speed
- Manufacturer
- Manufacturer's
address
- Year of
manufacture
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2.3.1. Jockey pump capacity
The calculated
capacity of a jockey pump shall not be less than 1% of the rated capacity of a
fire pump.
2.3.2. Pressure
maintenance pumps shall be capable of maintaining pressure at the discharge
port inside the fire protection system so that such maintained pressure is 0.3
– 0.8 bar greater than the system design pressure.
2.3.3. A check valve shall
be attached to the pump at the discharge port.
2.3.4. Where the total of
the pump shutoff (churn) pressure and the maximum suction pressure exceeds the
working pressure of all system equipment, a relief valve shall be installed on
the pump discharge pipe of the jockey pump and ahead of a check valve.
2.3.5. Either duty
(main or primary) pumps or standby pumps shall not be used to maintain the
system pressure.
2.3.6. For fire pumps automatically
actuated by signal of a pressure switch or pressure sensor, when the pressure
switch is installed, the stable and accurate starting and stopping of pressure
maintenance pumps and fire pumps shall be required.
2.3.7. The minimum nominal
size of the pressure sensing line shall be 15 mm. The pressure sensing line shall
sense the discharge pressure behind a check valve in each pump. Pressure
sensing lines shall be of stainless steel or copper material.
2.3.8. An isolation valve and
pressure gauge should be installed at the end of the water supply piping to
facilitate the testing and calibration of pump start pressure.
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2.3.10. Pressure
maintenance pumps shall be marked on their casing according to regulations in
force, indicating the basic technical specifications below:
- Pump make
- Pump model/type
- Serial number
- Maximum pressure
- Flow rate
- Manufacturer
- Manufacturer's
address
- Year of
manufacture
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2.4.1. Electric motors
2.4.1.1. Electric drive for
pumps can be either an asynchronous motor or a three-phase synchronous motor.
2.4.1.2. The value of locked
rotor current for motors corresponding with the rated capacity shall not exceed
the permissible value specified in Table 2.4.1.2
Table 2.4.1.2. Motor capacity and locked motor current motor
designation
Rated motor capacity
Locked rotor current three-phase 380V at 50Hz (A)
Hp
KW
1
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20
1-1/2
1.12
27
2
1.49
34
3
2.24
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5
3.72
61
7-1/2
5.58
84
10
7.46
107
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11.19
154
20
14.91
194
25
18.64
243
30
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289
40
29.83
387
50
37.28
482
60
44.74
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75
55.93
722
100
74.57
965
125
93.21
1207
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111.85
1441
200
149.14
1927
250
186.42
2534
300
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3026
350
260.99
3542
400
298.28
4046
450
335.56
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500
372.85
5069
2.4.1.3. The rated capacity
of electric drives for pumps shall be the capacity rated for continuous duty.
The
motor capacity in horsepower shall be such that the maximum motor current in
any phase under any condition of rated pump head and capacity curves and
voltage unbalance shall not exceed 115% of the motor-rated full-load current.
2.4.1.4. The minimum motor
capacity shall be greater than or equal to the capacity of pumps operating at
150 percent of the rated pump capacity. Any time the capacity of electric drive
units for fire pumps shall not be less than 10% of the rated capacity shown in the
nameplate. The drive capacity shall not be greater than 1.15 times the rated
capacity corresponding to the rating speed of pump.
2.4.1.5. Current limits
The motor capacity
shall be such that the maximum motor current without any phase failure
occurring under any condition of pump load and balanced voltage shall not
exceed the motor-rated full-load current multiplied by the service factor. The
maximum service factor at which a motor shall be used is 1.15.
2.4.1.6. Power sources and
protective devices
2.4.1.6.1. Each electric
motor-driven pump shall be supplied from at least two power sources, including
main power source and standby power source. Main fire pumps shall be permitted to
connect to a power source if a standby pump is a diesel engine-driven pump.
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2.4.1.6.3. Fault interruption
means
- No ground fault
interruption means shall be installed in any fire pump control or power
circuit.
- No arc fault
interruption means shall be installed in any fire pump control or power
circuit.
2.4.1.6.4. One disconnecting
means and associated overcurrent protection device shall be installed in the
power supply to the fire pump controller.
2.4.1.6.5. Voltage drop
- The voltage at
the controller line terminals shall not drop more than 15 percent below normal
(controller-rated voltage) under motor-starting conditions, except in case of
an emergency start performed by mechanically closing the motor-circuit switch
mechanism.
- The voltage at
the contactor(s) load terminals to which the motor is connected shall not drop
more than 5 percent below the voltage rating of the motor when the motor is
operating at 115 percent of the full-load current rating of the motor.
2.4.1.6.6. Wiring from the
controller(s) to the pump motor shall be in rigid metal conduit, intermediate metal conduit,
electrical metallic tubing, liquid-tight flexible metal conduit, or
liquid‐tight flexible nonmetallic conduit and cable with an impervious
covering.
2.4.1.6.7. Electrical
connections at motor terminal boxes shall be made with a means of connection listed
by manufacturers. Twist-on type and soldered wire connectors shall not be
permitted to be used for this purpose.
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- Motor name and
type
- Model/frame size
number, serial number
- Manufacturer’s
name
- Manufacturer's
address
- Make year
- Horsepower
- Rated speed
- Rated voltage/phase/frequency
- Full-load current
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2.4.2. Diesel engines
2.4.2.1. Diesel engines for
fire pump drive shall be of the four-stroke compression ignition type.
2.4.2.2. Engines shall
have a 4-hour minimum horsepower rating equal to or greater than the brake
horsepower required to drive the pump at its rated speed under any pump load
conditions.
2.4.2.3. The brake horsepower
rating of a diesel engine in the continuous duty or service mode shall not be
less than 110% of the maximum brake horsepower required to drive a pump under
any pump load conditions.
2.4.2.4. Diesel engines
shall be provided with a speed control governor capable of regulating engine
speed within a range of 10 percent between shutoff and maximum pump brake horsepower. Shutoff and
full-load speed. The governor shall be field adjustable to maintain the engine
operation at the rated speed.
2.4.2.5. Diesel engines
shall be equipped with an engine overspeed shutdown device when the engine
speed ranges from 20% above the rated engine speed and shall be reset by the
manual restart mechanism. An overspeed trouble signal shall be indicated to the
automatic engine controller such that the controller cannot be reset until the
overspeed shutdown device is manually reset to normal operating position.
2.4.2.6. Diesel engines
shall be provided with instrument panels (engine junction boxes) and measuring instruments,
including the following parts and fittings:
- A tachometer
shall be provided to indicate engine speed measured in revolutions per minute
of the engine. The tachometer shall be the totalizing type or an hour meter to
record total time of engine operation.
- An oil pressure
gauge provided to indicate lubricating oil pressure.
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- Manual pump start
and stop switches or pushbuttons used for local demand.
- A connection to
the diesel engine-driven fire pump controller. Numbers of all connecting wires
in an engine junction box and in the pump controller that are required to
correspond.
- A connection to engine
speed, oil pressure and coolant temperature sensing devices.
- A measuring and
control circuit diagram.
2.4.2.7. All wiring on the
engine shall be harnessed on a continuous-duty basis. Terminals used for
connecting wires in an engine junction box shall be numbered according to the
control circuit diagram. Sensor wiring, electrical conduits or tubing and
binding elements shall be made of fire-rated materials.
2.4.2.8. Each engine shall
be provided with two main contactors supplying battery current to the diesel
engine cranking motor that, in addition to battery isolation by automatic
control wiring, can be capable of manually closing emergency start circuit in
the event of any breakdown or failure in the engine junction box or
controller.
2.4.2.9. Diesel engines
shall be provided with a relay to signal engine running and cranking. Power for this
signal shall be taken from a source other than the engine generator or
alternator.
2.4.2.10. Two battery units
shall be provided to start an engine. Each battery unit shall have its power
capacity which is twice the rated power output to be sufficient to maintain cranking
during six consecutive cycles of 15 seconds of cranking and 15 seconds of rest.
Batteries shall be supported by metal rack at an elevation of 305 mm above the
floor level. Batteries shall be capable of carrying its full rated load within
room ambient temperature range between 4.5°C and 80°C.
2.4.2.11. Each battery unit
shall be provided with a voltmeter, ammeter, and a separate visible indicator
or lamp indicating battery charger and battery failure. Metering results
shall not vary by greater than 5%.
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- The charger shall
be a type that automatically reduces the charging rate to less than 500 mA when
the battery reaches a full charge condition.
- The battery
charger shall be capable of delivering energy into a fully discharged battery
to restore to the fully charged battery in such a manner that it will not
damage the battery.
- The battery
charger shall be capable of indicating the charging current output on a control
panel and the failure or damage status of the charger.
- The charger shall
be designed such that it will not be damaged or blow fuses during the cranking
cycle of the engine when operated by an automatic or manual controller.
2.4.2.13. Diesel engines may
be provided with the following cooling system types:
- A heat exchanger
type that includes a circulating pump driven by the engine mechanical shaft, a
heat exchanger, and an engine jacket temperature regulating device.
- A radiator type
that includes a circulating pump driven by the engine mechanical shaft, a
radiator, an engine jacket temperature regulating device, and an engine-driven
fan for providing positive movement of air through the radiator.
2.4.2.14. The fan used for
dissipating the heat from a radiator of a diesel engine shall be driven by the
engine mechanical shaft. The fan shall be provided with a fan guard and drive belt.
2.4.2.15. The radiator shall
be designed to limit the engine temperature, even when an inlet air temperature
is 49°C, in a manner that limits temperature to the temperature permitted by the
manufacturer, but to 80°C in all instances. Total loss in pressure of air moving
through the radiator and discharge ventilators (if any) shall not exceed 13 mm
water column. The exhaust outlet shall be extended to outdoors.
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2.4.2.17. Fuel supply tank(s)
shall have a capacity at least equal to 1 gal per hp (5.07 L per kW), plus 5
percent volume for expansion and 5 percent volume for sump, which is calculated
according to the brake horsepower required to drive the pump. The fuel supply
tank and fuel shall be reserved exclusively for the fire pump diesel engine.
There shall be a separate fuel supply tank for each engine.
Tanks shall be
constructed to ensure that the fuel supply piping connection to the engine is
not located at the point lower than the fuel level switch connection.
Each fuel supply
tank shall include but not limited to the followings: a vent valve; a fuel piping;
a protection cover; drain valve; fuel level indicator. An electromagnetic type
valve used to control fuel supply to the engine shall be provided with the hand
valve open available for use in case of damage or failure.
2.4.2.18. Below are diesel engine
start methods:
- Cranking motor
- Compressed air
- A combination of
both cranking motor and compressed air
2.4.2.19. Engine exhaust
piping
Each pump engine
shall have an independent exhaust pipe which is not any smaller in diameter
than the engine exhaust outlet. The exhaust pipe shall be covered with high
temperature insulation or otherwise guarded to protect personnel from injury.
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2.4.2.20. Each diesel engine
shall be marked on its jacket according to regulations in force, indicating the
basic technical specifications below:
- Engine
model/serial number
- Manufacturer’s
name
- Manufacturer's
address
- Year of
manufacture
- Horsepower
- Rated battery
voltage
- Rated speed
2.5. Fire pump controllers
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2.5.1.1. Each pump shall be controlled
by an independent controller that is designed to start the pump automatically
and manually.
Electric motor-driven fire pump control equipment and pressure maintenance pump
control equipment can be located inside the same control panel cabinet.
However, this arrangement method shall not be permitted to apply to main fire
pump control equipment and jockey pump control equipment. When an electric
motor-driven fire pump controller and a pressure maintenance pump controller
are located on the same controller enclosure, magnetic pump start attempts
shall be independent. Each of them shall be placed in separate spaces inside
that controller enclosure
2.5.1.2. A comprehensive
instruction manual fully describe operations of a controller shall
be provided and attached onto the panel at a conspicuous position.
2.5.1.3. Fire pump control
panel shall be capable of starting a fire pump from the pump stop status to the
full load level within 30 seconds after receiving pump start signals. On each control
panel, connecting ports or terminals shall be provided to indicate the running
state and remotely control the pump.
2.5.1.4. All controller
devices, fittings and accessories shall be mounted on metal enclosure painted
in red.
They shall be mounted rigidly on the control panel, but can be removed,
installed or replaced easily. Where the controller is located outside or where
special environments exist, suitably rated enclosures shall be used. All
electric devices of a controller shall be suitable for use in environments
where they are installed, and any place where the nominal 95% humidity exists.
2.5.2. Electric-driven
fire pump controllers
2.5.2.1. Type of the
starting circuitry is selected according to the output of power supply to the
fire pump. One
of the following starting circuits shall be selected to start a motor driving
the fire pump as follows:
- Direct-on-line
(DOL) start
- Autotransformer
start
- Wye - Delta open
or closed start
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- Soft Start
2.5.2.2. Starting methods of
an electric-driven pump controller: An electric-driven pump controller shall
provide three starting methods:
- Automatic
starting;
- Starting by
operation of a pushbutton on the outside of the controller enclosure;
- Emergency
starting performed by mechanically closing the motor-circuit switch mechanism. Motor-circuit
switching equipment shall provide for nonautomatic operation of motors and be
independent of electric control circuits, magnets or equivalent devices and
independent of the pressure-activated control switch.
2.5.2.3. Control, monitoring
or supervisory devices mentioned below shall be mounted on the controller,
including:
- Pump start, stop,
indicator light testing or inspection pushbuttons.
- Indicators,
timers or liquid-crystal display (LCD) panels, indicating the following
information: Availability of power supply; source power failure (power loss,
phase differentiation, phase loss or failure); pump running or stopping;
dismissed or failed automatic start operations; phase voltage and system
pressure.
- Handle or lever
used for closing or cutting off power supply to the controller. An isolating
switch shall be installed to permit the opening of the controller only when this
isolating switch trips in an open position.
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2.5.2.4. A control panel
cabinet shall be designed to be suitable for the short-circuit current
occurring at the at the line terminals of the controller, and shall be clearly
marked with the Vietnamese legend saying that the maximum short-circuit current
symmetrical at a specific voltage rating.
2.5.2.5. Connections and
wiring in a controller shall satisfy the following requirements:
- All busbars and
connections of the controller shall be readily accessible for maintenance work,
where necessary, without requiring any disconnection of the external circuit
conductors.
- Gauges or meters shall
be used for line voltage and current readings without any disconnection of
conductors or busbars inside the controller.
- Except conductors
that are in a circuit only during the motor starting period, conductors and
busbars inside the controller shall be sized to be capable of supplying power
to the motor on a continuous-duty basis at the full load state.
2.5.2.6. The rated current
of an isolating switch shall not be less than 115% of the rated full-load
current of the electric motor.
2.5.2.7. Each electric motor
shall be protected by a circuit breaker (disconnecting means) and connected
directly to the output port of the isolating switch. The circuit
breaker shall have the following technical specifications:
- Availability of
the manual-trip handle.
- Trip free of the
handle.
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- Overcurrent-sensing
elements of the nonthermal type.
- Instantaneous
overcurrent protection.
- Capability of
allowing normal and emergency starting and running of the motor without
tripping.
- An instantaneous
trip setting of not more than 20 times the full-load current.
2.5.2.8. An electric
motor overcurrent protective device must be installed for the controller. The overcurrent
protective device shall be required between the isolating switch and the fire
pump motor, and possess the following characteristics:
- For a
squirrel-cage:
+ The device shall
be capable of adjusting the stripping delay time that ranges between 8 seconds
and 20 seconds at locked rotor current.
+ The device shall
be capable of adjusting and setting the tripping current which is at least 300
percent of the motor full-load current.
- For a
direct-current motor:
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+ The device shall
be capable of calibrating and setting the tripping current which equals at
least 400 percent of the motor full-load current.
+ There shall be
visual elements and gradations clearly indicated on the device that proper
settings have been made.
+ It shall be
possible to reset the device for resumption of motor operation immediately
after tripping activation.
2.5.2.9. The contactor of
the motor controller shall be of the magnetic actuation type with the rated continuous-duty
current for main magnetic operations that equals at least 115% of the rated
motor current. When magnetically operated on a continuous duty basis in the
motor starting mode, starting contactors shall provide the rated current symmetrical
with the working current provided through magnetic operation in the
corresponding duty mode.
2.5.2.10. For reduced-voltage
motor controllers, the time it takes for the motor to reach the rated speed
from the start shall not exceed 10 seconds.
2.5.2.11. For controllers of
up to 600 V, the operating coil(s) for any motor contactor(s) shall be supplied
directly from the main power voltage and not through a transformer.
2.5.2.12. Undervoltage, phase
failure, incorrect frequency, or other sensors shall not be provided to deliver
signals for the fire pump to stop.
2.5.3. Diesel engine-driven
fire pump controllers
- Controllers shall
be located as close as is practical to the engines they control and shall be
within sight of the engines.
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- Controllers shall
be located near the pump in an easy-to-operate position and not less than 0.3 m
above the floor level.
- There are two
methods of operation of the diesel fire pump controller, including: Automatic
operation and operation of a pushbutton on the outside of the controller
enclosure.
- A controller
shall display the charging current, voltage of each battery, operating mode,
system pressure and errors or failure in engine overspeed, charging current,
voltage of each battery.
2.5.4. Each fire pump
controller shall be marked on its enclosure according to regulations in force,
indicating the basic technical specifications below:
- Name
- Manufacturer’s
name
- Manufacturer's
address
- Year of
manufacture
2.6. Fire pump fittings
and accessories
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2.6.1.1. The discharge
components shall consist of pipe, valves, and fittings extending from the pump discharge
flange to the system side of the discharge valve of fire prevention systems.
2.6.1.2. The size of pump
discharge pipe and fittings shall not be less than that given in Section A1 of
Appendix A.
2.6.1.3. A check valve or
backflow preventer shall be installed in the pump discharge assembly. A gate or
butterfly valve shall be installed on the discharge pipe immediately behind the
pump discharge check valve. Where pumps are installed in series, a butterfly
valve shall not be installed between pumps.
2.6.2. Suction pipes
2.6.2.1. The suction
components shall consist of all piping, valves, and fittings from the pump
suction flange to the connection to the water supply that feeds water to the
pump.
2.6.2.2. Where pumps are
installed in series, the suction pipe for the subsequent pump(s) shall begin at
the system side of the discharge valve of the previous pump.
2.6.2.3. Suction size
The size of the
suction pipe for a single pump or of the suction header pipe for multiple pumps
designed to operate together shall be such that, with all pumps operating at
maximum flow, the gauge pressure at the pump suction flanges shall be 0 psi (0
bar) or higher. Where the supply is a suction tank with its base at or above
the same elevation as the pump, the gauge pressure at the pump suction flange
shall be permitted to drop to –3 psi (−0.2 bar) with the lowest water level.
The size of that
portion of the suction pipe located within 10 pipe diameters upstream of the
pump suction flange shall be not less than that specified in Section A1 of
Appendix A.
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- Valves in suction
pipes shall be of OS&Y gate valve type. No control valve other than a
listed OS&Y valve and no other devices shall be installed in the suction
pipe within 15.3 m of the pump suction flange.
2.6.2.5. Suction pipe
installation
- Suction pipe
shall be laid carefully to avoid air leaks and air pockets.
- Elbows and Tees
Elbows and tees
with a centerline plane parallel to a horizontal split-case pump shaft shall
not be permitted to exist in suction pipes. The aforesaid requirement shall not
apply to elbows and tees with a centerline plane parallel to a horizontal
split-case pump shaft where the distance between the flanges of the pump
suction intake and the elbow and tee is greater than 10 times the suction pipe
diameter.
Elbows and tees
with a centerline plane perpendicular to the horizontal split-case pump shaft
shall be permitted at any location in the pump suction intake.
2.6.2.6. Suction Screening
Mesh screens shall
be brass, copper, Monel, stainless steel, or other equivalent
corrosion-resistant metallic material wire screen of 0.50 in. (12.7 mm) maximum
mesh.
2.6.2.7. Valve Supervision
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2.6.3. Pressure gauges
2.6.3.1. Discharge pressure gauge
Each pump shall be
fitted with a separate pressure gauge at the pump flange or near the pump side
on the discharge pipe which, however, is installed in front of that pump's
check valve and constrained by a ball drip valve.
A gauge shall include
a dial not less than 89 mm in diameter. The dial shall indicate the maximum
pressure to at least twice the rated working pressure of the pump but not less
than 200 psi (13.8 bar).
2.6.3.2. Suction
pressure gauge
The pressure gauge
shall be mounted on the pump flange or on the suction line close to the pump
side and controlled by a ball drip valve. The face of the dial shall clearly
indicate a unit of pressure measurement. The suction pressure gauge shall
provide the pre-zero graduated pressure range.
Where the minimum
pump suction pressure is below 20 psi (1.3 bar) under any flow condition, the
suction gauge shall be a compound pressure and vacuum gauge.
A gauge shall
include a dial not less than 89 mm in diameter. The dial shall indicate the
maximum pressure to at least twice the rated working pressure of the pump but
not less than 100 psi (6.9 bar).
2.6.4. Casing relief valve
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All electric
pump(s) shall be provided with casing relief valves; installed on the discharge
port of the pump casing or the discharge side of the pump before the discharge
check valve. The aforesaid requirements shall not apply to diesel engine driven
pumps for which engine cooling water is taken from the pump discharge.
Each pump shall be
provided with one casing relief valve independent of the system relief valve.
Casing relief
valves shall have a service rating corresponding with the pump pressure and be capable
of setting the discharge pressure.
The outlet line of
the pump casing relief valve shall be kept separate and independent, and
provide discharge into a visible open wastewater system. Where water discharged
from the casing relief valve is returned back to the storage tank, such water
flowing in the pipe shall be visible.
The casing relief
valve shall have a nominal size of 19 mm for pumps with a rated capacity not
exceeding 9,462 L/min (2500 gpm) and have a nominal size of 25 mm for pumps
with a rated capacity of 11,355 l/min to 18,925 l/min.
2.6.5. Pump relief valve
2.6.5.1. Where a diesel
engine fire pump is installed and where a total of the net rated shutoff
(churn) pressure plus the maximum static suction pressure exceeds the pressure
for which the system components are rated, a pressure relief valve shall be
installed.
2.6.5.2. Relief valve size
The relief valve
shall be permitted to be sized hydraulically to discharge sufficient water to
prevent the pump discharge pressure from exceeding the pressure rating of the
system components, but such size shall not be less than that given in Appendix
A.
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2.6.5.4. Water discharge
from the pump relief valve shall be readily visible or easily detectable by the
pump operator. Stop valves shall not be installed in the pipe before and
after pump relief valves.
2.6.6. Flow test pipes and
devices
2.6.6.1. Piping of flow
testing devices or fixed nozzles shall be installed to determine if the pump is
operating within its design conditions. Metering devices or fixed nozzles shall be
capable of water flow of not less than 175 percent of rated pump capacity.
2.6.6.2. During the test run
of a pump, it shall be permitted to discharge water into a tank or any
locations that do not affect pump components. When discharging back into a tank,
the discharge nozzle(s) or pipe shall be located at a point as far from the
pump suction as is necessary to prevent the pump from drafting air introduced
by the discharge of test water into the tank.
2.6.6.3. All of the meter
system piping shall be sized as specified by the meter manufacturer but not
less than the meter device sizes shown in Appendix A.
2.6.6.4. Hose valves: The number and
size of hose valves used for pump testing shall be as specified in Appendix A.
A gate or butterfly valve shall be installed in the pipeline to the hose valve
header.
2.6.7. Automatic air
release valve: This valve shall be located at the highest point of the pump
casing to vent air completely.
3.
FIRE
PUMP TEST RUN AND ACCEPTANCE TESTING
3.1. Fire pump test
run and acceptance testing
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3.1.1.1. The fire pump shall
perform at minimum, rated, and peak loads without objectionable overheating of
any component.
3.1.1.2. Vibrations of the
fire pump assembly shall not be of a magnitude to pose potential damage to any
fire pump component.
3.1.1.3. The minimum, rated,
and peak flow of the fire pump shall be determined by controlling the quantity
of discharge water by using approved test devices.
3.1.1.4. Where simultaneous
operation of multiple pumps is required, the acceptance test shall include a
flow test of all pumps operating simultaneously.
3.1.2. Variable speed pressure
limiting control
3.1.2.1. Variable speed
pumps shall be tested at no flow, 25 percent, 50 percent, 75 percent, 100
percent, 125 percent, and 150 percent of rated load in the variable speed mode.
Variable speed
pumps shall also be tested at minimum, rated, and peak loads, with the fire
pump operating at rated speed.
3.1.2.2. The fire protection
system shall be isolated and the pressure relief valve closed for the rated
speed tests required in 3.1.2.1.
3.1.2.3. The fire protection
system shall be open and the relief valve set for the variable speed tests
required in 3.1.2.1.
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3.1.4. Phase Reversal Test For electric motors, a test shall be
performed to ensure that there is not a phase reversal condition in either the
normal power supply configuration or from the alternate power supply (where
provided).
3.1.5. Alternate power
supply
3.1.5.1. On installations
with an alternate source of power and an automatic transfer switch, loss of
primary source shall be simulated and transfer shall occur while the pump is
operating at peak load.
3.1.5.2. Transfer from
normal to alternate source and retransfer from alternate to normal source shall
not cause opening of overcurrent protection devices in either line.
3.1.5.3. At least half of
the manual and automatic operations of 3.2.2 shall be performed with the fire
pump connected to the alternate source.
3.1.6. Measurement
Procedure
3.1.6.1. The quantity of
water discharging from the fire pump assembly shall be determined and
stabilized.
3.1.6.2. Immediately
thereafter, the operating conditions of the fire pump and driver shall be
measured.
3.1.7. Field Retest Results
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3.1.7.2. The field retest
results shall meet or exceed the performance characteristics as indicated on
the pump nameplate, and the results shall be within the accuracy limits of
field testing as stated elsewhere in this standard.
3.2. Fire pump
controller acceptance test
3.2.1. Fire pump
controllers shall be tested in accordance with the manufacturer's recommended
test procedure.
3.2.2. As a minimum, no
fewer than six automatic and six manual operations shall be performed during
the acceptance test.
3.2.3. An electric-driven
fire pump shall be operated for a period of at least 5 minutes at full speed
during each of the operations required in 3.1.1.
3.2.4. The automatic
operation sequence of the controller shall start the pump from all provided
starting features. This sequence shall
include pressure switches, sensors or remote starting signals. Tests of engine-driven controllers shall be
divided between both sets of batteries. The fire pump shall be started once from each power service
and run for a minimum of 5 minutes.
3.3. Preparation of
testing, acceptance testing records and reports, manuals for operation and
maintenance of fire pump components
3.3.1. Upon completion of
the acceptance testing of stationary pumps for fire prevention, an acceptance
testing dossier shall be made as follows:
- Fire pump testing, operation and
acceptance testing reports.
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- Record of documentation and
instruction manuals for operation, maintenance and repair of fire pump
components.
3.3.2. Fire pump supplying
and installing units must provide record of documentation and instruction
manuals for all main components of stationary pumps for fire prevention as
follows:
3.3.2.1. The manual shall
contain the following:
- A detailed explanation of the
operation of the component;
- Instructions for routine
maintenance;
- Detailed instructions concerning
repairs
- Parts list and parts identification;
- Schematic electrical drawings of
controller, transfer switch, and fire pump control panels;
- List of recommended spare parts and
lubricants.
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4. FIRE PUMP TESTING, FIELD
INSPECTION AND MAINTENANCE
4.1. Weekly fire
pump testing and maintenance
4.1.1. On-site Inspection
shall be conducted as follows:
4.1.1.1. Status of pump
house
- Temperature of a diesel pump room
without an engine heater is not lower than 4.4°C.
- Vent duct is free of obstructions.
4.1.1.2. Status of pump
system
- Bypass valve, pump discharge and
suction head is open completely.
- No visible pipe leakage occurs.
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- System line pressure reading is within
normal rating.
- Reserve supply tank is full.
- Suction strain or wet pit screen is not
obstructed and set in place.
4.1.1.3. Status of
power system
- Controller alarm (power available) is
on.
- Transfer switch common alarm is on.
- (Emergency) standby power supply
isolation switch is in closed position.
- Phase reversal alarm is off, or
phase transition common alarm is on.
- Tank level shown in the vertical
shaft turbine sight glass is within normal rating.
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- Fuel tank is two-thirds filled.
- Electronic Control Module (ECM) selector
switch is positioned to the alternate ECM position.
- Battery voltage (volt) reading is within
normal rating.
- Battery charge current (amp) reading
is within normal rating.
- Battery alarm is on; or battery
failure alarm is off.
- All alarms are off.
- Run timer (running period timer) is
active.
- Fuel level in the right-angle gear
drive is within normal rating.
- Engine jacket fuel level is within
normal rating.
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- Battery electrolyte level is within
normal rating.
- Battery case is not corroded.
4.1.2. Testing
shall be conducted as follows:
4.1.2.1. Testing of
automatically- or manually-started offload operation of fire pumps
- At least 10 minutes/test/week for
electric pumps.
- At least 30 minutes/test/week for
diesel pumps.
4.1.2.2. While the pump is
running, appropriate visual monitoring or calibration actions mentioned
hereunder shall be as follows
- Procedures applied to the pump
system:
Record discharge
pressure and suction pressure.
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Reposition gaskets
where required.
Check for unusual
vibrations or noises.
Check for working
temperature of pump enclosure, bearing or casing.
Record pump start
pressure
- Procedures applied to the electrical
system:
Monitor the time
required for acceleration to full speed.
Record the time required
for the controller to stop at the first step (in case of starting in the
derated voltage or current state)
Record pump run
time after start-up (with automatic stop controller)
- Procedures applied to the diesel
engine:
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Monitor the time
required for the engine to reach the rated operating speed.
Periodically
monitor fuel tank pressure readings, speed meter values, water, and other fuel
temperature readings while the engine is running.
Record any
abnormalities.
Check cool water
flow in the heat exchanger.
4.2. Annual fire
pump testing, field inspection and maintenance
4.2.1. A fire pump cluster
shall be tested based on minimum, rated, and peak flow determined by
controlling the quantity of discharge water by using approved test devices.
4.2.2. Appropriate visual
supervision, measurement and calibration service mentioned hereunder shall be
conducted while a fire pump is running and loading water with the corresponding
discharge condition as follows:
4.2.2.1. Field inspection
of non-flow condition (maximum threshold): Check whether the circulation relief valves and pressure-reducing
valves (where installed) are working properly within 0.5 hour.
4.2.2.2. Field inspection of
each water flow condition: Record
the voltage and amperage of the electric motor; record the pump speed; record
the simultaneous (relative) readings of pressure and suction pressure, and pump
discharge flow.
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4.2.2.4. For installations
with an automatic transfer switch, the following test shall be carried out to
ensure that the overcurrent protective device (such as a fuse or circuit
breaker) is not open:
- Simulate an electrical failure event
while the pump is operating under maximum load condition;
- Make sure the transfer switch can
transfer to an alternate power source;
- Ensure the pump continues to operate
under maximum load condition;
- End the failure simulation and check
to ensure the pump reconnects to common power source after delay time.
4.2.2.5. Simulating an alarm
event by activating the alarm circuitry at the alarm sensing locations, and locally
or remotely supervising operation of all alarm devices.
4.3. Field retest
results
4.3.1. Pump performance
retest results
The fire pump
cluster remains in proper working condition if one of the following conditions
is satisfied during testing:
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- Field retest results shall meet the
performance characteristics as indicated on the pump nameplate.
If the pump pressure
drops by more than 5% as indicated in the original acceptance test characteristics
curves where no calibration is applied, or as indicated in the nameplate, the
cause of the performance decrease should be investigated.
4.3.2. Pump motor/engine performance
retest results
Where amperage and
voltage readings do not exceed the product of rated voltage and rated full-load
amperage multiplied by the rated motor service factor, such performance is
deemed acceptable. Motor voltage
reading 5% below or 10% above rated voltage (marked on the nameplate), as a
maximum, will be deemed acceptable.
4.3.3. Maintenance of a
stationary pump for fire protection
A routine
maintenance plan must be developed for all equipment and components of the
stationary pump for fire prevention according to the manufacturer's
instructions. If the manufacturer
does not give any instructions on routine maintenance, Annex B issued with this
Regulation shall be followed.
The project
management unit shall create a record of documentation and log to monitor the periodic
inspection of maintenance and operation of the stationary pump for fire
prevention as prescribed.
5. MANAGEMENT
REGULATIONS
5.1. The project owner
shall have the following responsibilities: Formulate a construction design plan; take charge of construction;
inspect and supervise construction in accordance with the approved fire
prevention design; carry out the required inspection and maintenance of
stationary pumps for fire prevention according to regulations. Also, retain full records and results of the
periodic inspection of maintenance and operation for submission to the
competent authority where required.
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5.3. Stationary pumps
for fire prevention shall obtain declarations for conformity and conformance to
this Regulation according to Approach 8 "Testing of all products and
goods" referred to in the Circular No. 28/2012/TT-BKHCN dated 12 December
2012 of the Ministry of Science and Technology, providing for standard
conformity, regulation conformity declaration, and methods of assessing
conformity with technical standards and regulations, and the Circular No.
02/2017/TT-BKHCN dated March 31, 2017 of the Ministry of Science and Technology,
amending and supplementing a number of Articles of the Circular No.
28/2012/TT-BKHCN dated December 12, 2012 of the Ministry of Science and
Technology, regulating the declaration of conformity with technical standards,
declaration of conformance to technical regulations and methods of assessment
of conformity with technical standards and regulations.
5.4. Central Department
of Fire Safety, Firefighting, and Rescue and provincial Police Departments
serve as agencies receiving records of inspection of fire prevention means and
equipment in accordance with law.
5.5. Government agencies
in charge of construction shall be responsible for inspecting and supervising
application of this Regulation to design, review of design, construction,
acceptance testing, commissioning and maintenance of buildings and construction
structures in accordance with applicable law.
5.6. Transfer provisions
5.6.1. Stationary pumps
for fire protection that have been installed, acceptance tested and put into
use before the effective date of this Regulation shall not be required to apply
the provisions of Section 2 and Section 3 of this Regulation.
5.6.2. If any projects for
development of stationary pumps for fire protection that have been approved by
Fire Safety Police, but have not been built or installed, do not conform to
regulations laid down herein, based on the current context, project owners can
apply solutions to adapting them to this Regulation under the guidance of Fire
Safety Police before construction, installation and acceptance test in
accordance with regulations.
6. IMPLEMENTATION
6.1. Heads of related
entities shall be responsible for communicating this Regulation to their affiliates
and staff members so that it shall be implemented;
6.2. In the course of
implementation hereof, should there be any issue or problem that arises, agencies,
entities and persons involved must report to the Ministry of Public Security (via
Central Department of Fire Safety, Firefighting, and Rescue) for timely
instructions.
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APPENDIX A
Chart of minimum sizes of fire pump components and fittings
or accessories
Pump rating (l/min.)
Minimum pipe sizes (Nominal) (mm)
Suction
Discharge
Relief valve
Relief valve discharge
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Number and size of hose valves
Hose header supply
95
189
379
568
757
25
38
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65
75
25
32
50
65
75
19
32
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50
50
25
38
50
65
65
32
50
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75
75
1 - 38
1 - 38
1 - 65
1 - 65
1 - 65
25
38
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65
65
946
1,136
1,514
1,703
1,892
85
100
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125
125
75
100
100
125
125
50
65
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75
75
65
85
125
125
125
85
85
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100
125
1 - 65
1 - 65
2 - 65
2 - 65
2 - 65
75
75
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100
100
2,839
3,785
4,731
5,677
7,570
150
200
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200
250
150
150
200
200
250
100
100
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150
150
150
200
200
200
250
125
150
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200
200
3 - 65
4 - 65
6 - 65
6 - 65
6 - 65
150
150
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200
200
9,462
11,355
13,247
15,140
17,032
18,925
250
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300
350
400
400
250
300
300
300
350
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150
200
200
200
200
200
250
300
300
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350
350
200
200
250
250
250
250
8 - 65
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12 - 65
16 - 65
16 - 65
20 - 65
250
250
300
300
300
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APPENDIX B
Fire pump testing, field inspection and maintenance
No.
Item description
Inspected on site
Tested by metering/measuring devices
Replaced
Cleaned
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Maintenance frequency
A
Pump System
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Lubricate pump
bearings
X
Every 12 months
2
Check pump shaft
end play
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X
Every 12 months
3
Check accuracy of
pressure gauges and sensors
X
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Every 12 months (changed or calibrated in case of 5%
difference that occurs)
4
Check pump
coupling alignment
X
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Every 12 months
5
Wet pit suction
screens
X
X
After each pump run
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Mechanical
Transmission
1
Lubricate
coupling
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X
Every 12 months
2
Lubricate
right-angle gear drive
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Every 12 months
C
Electrical System
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1
Exercise
isolating switch and circuit breaker
X
Every month
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Trip circuit
breaker
X
Every 12 months
3
Operate manual
starting means (electrical)
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X
Every 06 months
4
Inspect and
operate emergency manual starting means (without power)
X
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X
Every 12 months
5
Tighten
electrical connections as necessary
X
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Every 12 months
6
Lubricate
mechanical moving parts (excluding starters and relays)
X
Every 12 months
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Calibrate
pressure switch settings
X
Every 12 months
8
Grease motor
bearings
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X
Every 12 months
D
Diesel Engine
System
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1
Fuels
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-
Tank level
X
X
Every week
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Tank float switch
X
X
Every week
-
Solenoids valve
operation
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X
Every week
-
Strainer, filter,
or dirt leg, or combination thereof
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X
Every 03 months
-
Water and foreign
material in tank
X
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Every 12 months
-
Water in system
X
X
Every week
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Flexible hoses
and connectors
X
Every week
-
Tank vents and
overflow piping unobstructed
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X
X
Every year
-
Piping
X
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Every 12 months
2
Lubrication
System
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-
Oil level
X
X
Every week
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Oil change
X
Every 50 working hours
-
Oil filter
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X
Every 50 working hours or 12 months
-
Lube oil heater
X
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Every week
-
Crankcase
breather
X
X
X
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Every 03 months
3
Cooling System
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Level
X
X
Every week
-
Adequate cooling
water to heat exchanger
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X
Every week
-
Rod out heat
exchanger
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X
Every 12 months
-
Water pump
X
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Every week
-
Condition of
flexible hoses and connections
X
X
Every week
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Jacket water
heater
X
Every week
-
Inspect duct
work, clean louvers (combustion air)
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X
X
Every 12 months
-
Water strainer
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X
Every 03 months
4
Exhaust System
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-
Leakage
X
X
Every week
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Drain condensate
trap
X
Every week
-
Insulation and
fire hazards
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Every 03 months
-
Excessive back
pressure
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X
Every 12 months
-
Exhaust system
hangers and supports
X
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Every 12 months
-
Flexible exhaust
section
X
Every 06 months
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Battery System
-
Electrolyte level
...
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X
Every week
-
Terminals clean
and tight
X
X
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Every 03 months
-
Remove corrosion,
case exterior clean and dry
X
X
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Every month
-
Specific gravity
or state of charge
X
Every month
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Charger and
charge rate
X
Every month
-
Equalize charge
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X
Every month
6
Electrical System
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-
General
inspection
X
...
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Every week
-
Tighten control
and power wiring connections
X
Every 12 months
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Wire chafing
where subject to movement
X
X
Every 03 months
-
Operation of
safeties and alarms
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X
X
Every 06 months
-
Boxes, panels,
and cabinets
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X
Every 06 months
-
Circuit breakers
or fuses
X
X
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Every month
-
Circuit breakers
or fuses
X
Every 24 months
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INDEX
PREFACE
1. General
provisions
2. Design and
installation of stationary pumps for fire protection
3. Fire pump test
run and acceptance testing
4. Fire pump
testing, field inspection and maintenance
5. Management
regulations
6. Implementation
Appendix A. Chart
of minimum sizes of fire pump components and fittings or accessories
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