GB 12553-1990 Firefighting performance requirements and test methods for fireboats
Some standard content:
National Standard of the People's Republic of China
Fire performance requirements and test methods of fire fighting boats Subject content and scope of application
This standard specifies the fire performance requirements and test methods of fire fighting boats with a full load displacement of not more than 750t. GB 12553--90
This standard applies to steel fire fighting boats used in inland rivers and coastal ports (including Class III sea areas) with fire fighting as the main purpose. Fire fighting boats should also comply with the requirements of the specifications and relevant regulations issued by the Ship Inspection Bureau of the People's Republic of China. 2 Reference standards
GB2031
GB5099
GB6245
GB7956
Marine fire fighting joints
Steel seamless gas cylinders
Performance requirements and test methods for fire fighting pumps on vehicles Fire performance requirements and test methods for fire fighting trucks The levels of fire fighting boats are divided according to the tonnage of full load displacement and the configuration capacity of fire fighting equipment. Fire boats of all levels shall comply with the provisions of Table 1.
Full load displacement range, t
Fire extinguishing area (single cabin), m2
Rated total flow of fire pump, L/s
Rated outlet pressure of fire pump, MPa
Total flow of fire monitor spray, L/s
Dry powder system
Carbon dioxide system
10～16
Note: ① () should not be used as much as possible.
②In the table, the symbol “☆” indicates mandatory, \○” indicates optionalApproved by the State Administration of Technical Supervision on December 12, 1990(3)
80~140
≥120
≥120
150~~250
≥180
≥180
≥140
260~~420
≥220
≥220
≥170
450~~750
≥320
≥250
Implemented on August 1, 1991
4 Fire performance requirements
4.1 Fire extinguishing performance requirements
GB 12553-90
For fire-fighting capacity of fire-fighting boats not specially specified, the fire-fighting capacity shall be expressed in terms of the area of fire-fighting of single tanks of oil tankers and oil barges, and the value shall comply with the provisions of fire-fighting area in Table 1.
4.2 Fire-fighting equipment
4.2.1 General provisions
4.2.1.1 The fire-fighting system equipped by fire-fighting boats shall comply with the provisions of Table 1. 4.2.1.2 The low-expansion foam fire-fighting system equipped by fire-fighting boats must have the function of spraying water. 4.2 .2 Fire Pumps
4.2.2.1 The number of fire pumps equipped on Class 2~8 fire boats shall not be less than 2. 4.2.2.2 The total flow and rated outlet pressure of the fire pump shall comply with the provisions of Table 1. 4.2.3 Fire Water Monitor
4.2.3.1 The fire water monitor installed on the fire boat must have the pressure, flow and range characteristic curve provided by the manufacturer. 4.2.3.2 Fire water monitors (including foam-water dual-purpose monitors, combination monitors, multi-function and single-function monitors) ）The water spraying performance after loading shall comply with the provisions of Table 2.
Flow rate, L/s
Range, m
4.2.3.3 The fire monitor shall be flexible to operate and reliable in action. 40
4.2.3.4 The operating area of the fire monitor shall have sufficient operating space, and there shall be no obstacles on board within the spraying range of the fire monitor. 4.2.3.5 The fire monitor installed on fire boats used in coastal ports shall be resistant to seawater corrosion. 4.2.4 Air foam monitor|| tt||4.2.4.7 The air foam monitor installed on the fire boat must have the pressure, flow rate and range characteristic curve provided by the manufacturer. 4.2.4.2 The spray foam performance of the air foam monitor after installation shall comply with the provisions of Table 3. Table 3
Foam mixture flow rate, L/s
Foaming multiple (at 20°C)
25% water separation time, min
(at 20°C)
Range, m
4.2. 4.33
Air foam monitors should be flexible to operate and reliable in action whether they are operated manually or by remote control. 64bzxz.net
4.2.4.4 There should be enough space for the operation of air foam monitors, and there should be no obstacles on board within the spraying range of the foam monitors. 80
4.2.4.5 The strength and rigidity of the pole, lifting platform, climbing platform or lifting spraying mechanism equipped with fire water monitors or air foam monitors should meet the requirements when the fire water monitors or air foam monitors are at the specified maximum height and spray at the maximum flow rate. 4.2.5 Foam liquid and storage tanks
4.2.5.1 The protein (or fluoroprotein) foam liquid loading capacity of the fireboat should meet the required amount when all foam spraying devices spray at the rated flow rate, and the spraying time is not less than 30 minutes.
4.2.5.25-level and below (including 5-level) fireboats should use 3% protein (or fluoroprotein) foam liquid. 4.2.5.3 The foam liquid storage tank, foam liquid pipeline and valve shall be made of corrosion-resistant materials or have undergone corresponding anti-corrosion treatment. 402
4.2.6 Foam proportion mixing device
GB12553-90
The foam proportion mixing device used in fire boats shall have the function of generating two types of foam mixtures: 3% (3%~4%) and 6% (6%~7%).
4.2.7 Fire hydrants
4.2.7.1 Fire hydrants shall be installed on the main deck and upper main deck of the fire boat. 4.2.7.2 Fire hydrants shall be installed in places that do not affect the activities of firefighters and are easy to use and relatively wide. 4.2.7.3 The nominal diameter of the fire hydrant shall be 65mm or 80mm. The number of fire hydrants installed shall meet the needs of fire fighting. 4.2.7.4 Fire boats used in coastal ports shall be equipped with international shore connections that meet the requirements of GB2031. 4.2.8 Dry powder fire extinguishing system
4.2.8.1 Fire boats shall be equipped with fixed dry powder fire extinguishing systems or optional mobile dry powder fire extinguishing equipment in accordance with the provisions of Table 1. 4.2.8.2 Dry powder tanks shall comply with the provisions of Article 2.4.1 of GB7956. 4.2.8.3 Dry powder spraying shall use nitrogen as the driving force. 4.2.9 Other fire extinguishing systems
4.2.9.1 Fire boats shall be equipped with other fire extinguishing systems according to actual needs and design requirements. The selected other fire extinguishing systems shall also comply with the provisions of Article 4.2.9.2 or Article 4.2.9.3
4.2.9.2 When fire boats are equipped with high and medium foam fire extinguishing systems, the number of high foam generators and medium foam generators shall not be less than 2. The storage capacity of foam liquid shall comply with the provisions of Article 4.2.5.1. 4.2.9.3 When the fireboat is equipped with a carbon dioxide or dry powder fire extinguishing system, the carbon dioxide cylinder and the nitrogen cylinder driving the dry powder shall comply with the requirements of GB5099.
4.2.10 Lifting device
4.2.10.1 Fireboats above level 6 (including level 6) may be equipped with a climbing platform or a lifting spray device. 4.2.10.2 Lifting devices such as lifting platforms, climbing platforms or lifting spray devices shall be stable during the lifting process, without abnormal noise, shaking and leakage. When the lifting device fails, the raised device shall not fall. 4.2.10.3 The lifting device shall be equipped with emergency equipment to retract the raised device when the lifting system fails. 4.2.11 Firefighting accessories
4.2.11.1 The types and quantities of firefighting accessories such as hoses, interfaces, water guns, foam guns, water collectors, and water distributors equipped on fireboats should meet the use requirements.
4.2.11.2 The personal protective equipment of firefighters should be able to resist possible injuries during water firefighting. 4.2.11.3 Fireboats should also be equipped with rescue equipment such as demolition tools, mobile pumping devices and air breathing apparatus. At least one air breathing apparatus is equipped for every two firefighters, and the working time of the air breathing apparatus shall not be less than 30 minutes. 4.2.11.4 Fireboats above level 5 (including level 5) should be equipped with fire ladders for climbing distressed ships. The fire ladder should be light and the load capacity should meet the use requirements.
4.2.12 Water curtain protection system
The main deck and the left and right sides of the upper deck of the fireboat should be equipped with a water curtain protection system to protect the surface of the deckhouse and superstructure and the safety of firefighters. The flow rate of the water curtain protection system is calculated based on the protected vertical area and shall not be less than 10L/min·m, and the distribution of the spraying water shall be uniform. For fireboats with A60 grade insulation materials, the spraying water volume shall not be less than 5L/min·m2.4.3 Speed
The speed (deep water) of fire boats in inland waterways should not be less than 24km/h (Class 1 fire boats should not be less than 20km/h); the speed (deep water) of fire boats in coastal port and bay areas should not be less than 26km/h. 4.4 Maneuverability
4.4.1 Fire boats (except Class 1) should be equipped with dual main engines and dual thrusters. 4.4.2 Fire boats must have sufficient maneuverability when berthing at the pier, approaching disaster ships and sailing at low speed to adjust the ship's position during fire fighting. 4.4.3 The operation of the main engine and fire pump should be controlled in the cab. The clutch or 403
shift operation of the transmission device of the fire pump driven by the main engine should be reliable and flexible.
4.5 Stability during firefighting
GB12553-90
4.5.1 In addition to meeting the stability requirements during navigation, the fireboat must also meet the requirements of Articles 4.5.2 and 4.5.3. 4.5.2 When the fireboat is in any loading state, all fire monitors (except dry powder monitors) are spraying perpendicular to the direction of the ship, and the static inclination angle of the fireboat caused by the spray reaction force shall not exceed 3°. 4.5.3 When the fireboat is in any loading state, all fire monitors (except dry powder monitors) are in the specified highest working position, the spray direction is perpendicular to the direction of the ship, and the fireboat is spraying against the wind at the maximum design wind force in the navigation area, the static inclination angle of the fireboat shall not exceed 8°. 4.6 Positioning performance during firefighting spraying
When all fire monitors (except dry powder monitors) spray at the maximum flow rate, the propulsion device of the fireboat should be able to generate a certain thrust to overcome the effects of spray reaction force, water flow and wind pressure, so that the distance between the fireboat and the object to be extinguished can be kept within the effective firefighting range of the fire monitors.
4.7 Continuous firefighting operation capability
4.7.1 The fuel loading capacity of the fireboat should ensure the oil required for round-trip navigation, continuous operation of all spray monitors under maximum working conditions and other firefighting operations. The fuel loading capacity of the fireboat should ensure that the continuous firefighting operation time is not less than the provisions of Table 4. Table 4
The fuel loading capacity ensures the continuous firefighting operation time, h
4.7.2 The fire pump and its transmission device should be able to operate continuously for more than 4 hours under rated working conditions, and there should be no abnormal noise, vibration and leakage during operation.
4.8 Fire lighting and communication
4.8.1 Fire boats should be equipped with fixed and mobile lighting equipment. Fire boats above level 5 (including level 5) must be equipped with two searchlights, the illumination distance shall not be less than 250m, and the illumination at 250m shall not be less than 501x, and the illumination diameter shall not be less than 11m.
Mobile lighting equipment shall use safe voltage lighting equipment, and the movable distance shall not be less than 30m. 4.8.2 The communication equipment of the fire boat shall include: one shipborne radio station, the transmission power of which shall not be less than 10W; the number of portable (or pocket) radio stations and helmet stations shall be set according to needs. 4.8.3 The communication between the main engine room and the navigation cabin and the fire station (station) of fire boats above level 5 (including level 5) shall be equipped with a dual-channel two-way communication system.
5 Test methods
5.1 Fire equipment test
5.1.1 Fire pump performance test
5.1.1.1 Test instruments
a. Standard pressure gauge (0.4 grade) or other pressure measuring devices with similar accuracy; b. Water gun flow meter;
c. Speed tester or tachometer.
5.1.1.2 During the test, the fire pumps shall be tested one by one in accordance with Articles 5.1.1.3 and 5.1.1.4. 5.1.1.3 Install the pressure gauge at the outlet of the fire pump and connect the water gun flow meter with a straight pipe section at the fire hydrant; slightly open the fire hydrant valve and close other water outlet valves. Start the fire pump and adjust its speed to the rated value. After the operation is stable, measure the speed, outlet pressure and flow of the fire pump at the same time. Then increase the opening degree of the fire hydrant valve, adjust the speed of the fire pump to the rated value, and repeat the measurement of the above parameters until the fire hydrant valve is fully opened. The fire hydrant valve must be opened evenly, from slightly opened to fully opened, and the number of sequential openings shall not be less than 8 times.
5.1.1.4 Draw the pressure and flow data measured by the fire pump at the rated speed at various opening degrees of the fire hydrant valve into a characteristic curve.
5.1.1.5 According to the characteristic curve of each fire pump obtained by measurement, calculate the total water supply of the fire pump under rated working conditions, and its value shall comply with the provisions of Table 1.
5.1.2 Determination of flow rate of fire monitor and air foam monitor 5.1.2.1 Put the fire monitor and air foam monitor in working state and test them one by one. 5.1.2.2 Start the fire pump to make the inlet working pressure of the fire monitor and air foam monitor reach the rated value, and stop spraying after the spraying is stable. It is allowed to test the air foam monitor with water instead of foam fire extinguishing agent. 5.1.2.3 According to the characteristic curve of pressure, flow rate and range provided by the manufacturer, find the flow rate value corresponding to the rated spraying pressure. This value should comply with the provisions of Articles 4.2.3.2 and 4.2.4.2. 5.1.3 Determination of the range of fire monitors and air foam monitors 5.1.3.1 The test conditions should comply with the provisions of Article 3.13.1 of GB7956. 5.1.3.2 The test method should comply with the provisions of Article 3.13.2 of GB7956. 5.1.3.3 Make a curve of the relationship between the mass of water or foam received by the receiver and the distance to the origin. The distance from the receiver with the largest mass to the origin is the range. This value should comply with the provisions of 4.2.3.2 and 4.2.4.2. 5.1.4 Determination of mixing ratio
The determination shall be carried out in accordance with the provisions of Article 3.14 of GB7956, and the determined mixing ratio shall comply with the provisions of Article 4.2.6. 5.1.5 The determination of foaming multiple and 25% water separation time shall be carried out in accordance with the provisions of Article 3.15 of GB7956, and the determination results shall comply with the provisions of Article 4.2.4.2. 5.1.6 Lifting test of lifting platform, climbing platform or lifting spray device 5.1.6.1 Before the test, 1.25 times the design load shall be applied to the lifting platform, climbing platform device. 5.1.6.2 During the test, the hydraulic oil pump shall be started first, and the lifting platform, climbing platform or lifting spray device shall be raised to the specified highest working position and stay for 5 minutes. At this time, the lifting spray device shall spray at 1.25 times the rated pressure for 5 minutes, and then descend to the original position. The number of lifting and lowering shall not be less than 3 times.
5.1.6.3 The test results shall comply with the requirements of Article 4.2.10.2. 5.1.7 Test of emergency auxiliary system of lifting platform, climbing platform or lifting spraying device 5.1.7.1 Test conditions are the same as those in Article 5.1.6.1. 5.1.7.2 During the test, the lifting platform, climbing platform or lifting spraying device is raised to the specified highest position or the maximum boom angle (or any specified position) and stopped. Then the power source is disconnected and the emergency auxiliary device is used to lower and retract it. The number of tests shall not be less than 3 times. 5.1.7.3 The test results shall ensure the smooth lowering and safe retraction of the lifting device. 5.2 Stability test during fire spraying
5.2.1 Test conditions shall comply with the provisions of Articles 5.2.1.1 and 5.2.1.2. 5.2.1.1 The ship's load state shall be designed from no load (only 10% of fuel and fresh water and all firefighters are left) to a state with the maximum static inclination angle in full load.
5.2.1.2 Environmental conditions should be wind force not exceeding level 3, gentle water flow (waves not exceeding level 2, stable tide), and few ships. 5.2.2 Test procedures should comply with the provisions of 5.2.2.1 to 5.2.2.4. 5.2.2.1 All fire water monitors and air foam monitors are in working position (those with lifting devices should be raised to the highest working position specified), with the muzzles facing the same side perpendicular to the ship direction of the fireboat, and the elevation angle of the monitor is 30°. 5.2.2.2 Start the fire pump, and all fire water monitors and air foam monitors spray water against the wind at the maximum flow rate. After the spraying is stable, use an inclinometer or plumb bob method to measure the tilt angle of the fireboat. 5.2.2.3 Rotate the fireboat 180° and repeat the tests of 5.2.2.1 and 5.2.2.2. 405
5.2.2.4 Record and organize the above test results. GB12553--90
5.2.3 The test data shall be calculated and the calculation results shall comply with the provisions of Articles 4.5.2 and 4.5.3. 5. 3 Positioning performance test during fire spraying 5.3.1 The test conditions are the same as those of Article 5.2.1.
5.3.2 The test steps shall comply with the provisions of Articles 5.3.2.1 to 5.3.2.4. 5.3.2.1 Six marker poles are set up on the shore, two rows in front and back, with 3 poles in each row. The distance between the marker poles in each row is 5m, and the row spacing is 2m (see Figure 1). +D
5.3.2.2 The fireboat stops parallel to the shore and sets a marker point D (as shown in Figure 1) on the side close to the shore.It is in the same straight line with the two marker poles B and B' in the middle of the shore.
5.3.2.3 Start the fire pump and make all fire water monitors and air foam monitors spray at rated flow rate towards the ship (the elevation angle of the monitor is 30°), and at the same time operate the propulsion device and rudder to reduce the drift of the fireboat. 5.3.2.4 All fire water monitors and air foam monitors of the fireboat spray continuously for 5 minutes, and observe whether the mark point D of the fireboat exceeds the A, A marker pole or the CC marker pole.
5.3.3 The fireboat is tested once in the downstream and upstream directions. The results of the two tests should make the mark point D on the fireboat not exceed the A, A marker pole and the C, C marker pole.
5.4 Continuous operation test of fire water supply system
5.4.1 The fireboat is docked at the pier, the water surface is relatively calm, and the wind force is not greater than Beaufort 3. 5.4.2 Test instruments
Standard pressure gauge (0.4 level) or pressure sensor (0.5 level), digital thermometer;
Speed tester.
Install a pressure gauge (or pressure sensor) at the water outlet of the fire pump before the test. Start the fire pump, open the valves of all fire monitors and air bubble 5.4.3
foam monitors, and adjust the speed of the fire pump to spray water at the rated speed and rated pressure. After the operation is stable, start timing and measure the following parameters:
Fire pump speed,
Fire pump outlet pressure;
Working pressure of each fire monitor;
Fire pump bearing housing temperature;
Engine oil temperature;
Engine cooling water temperature;
Lubricating oil temperature of power transmission device;
Bearing housing temperature of power transmission device.
GB12553-90
Thereafter, measure and record the above parameters every 30 minutes, and operate continuously for 4 hours without interruption. In the continuous working test, the speed and outlet pressure of the fire pump shall not be lower than the rated value. 5.4.4 The test results shall comply with the provisions of Article 4.7.2 and the requirements of the corresponding ship specifications. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Fire Protection Standardization Technical Committee. This standard was drafted by the Shanghai Fire Science Research Institute of the Ministry of Public Security and the Yangtze River Ship Design Institute of the Ministry of Transport. The main drafters of this standard are Wang Daying, Shi Yuanwei and Zhang Hai. 407
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