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GB 7956.2-2014: Fire fighting vehicles -- Part 2: Water tank fire fighting vehicle
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Basic data | Standard ID | GB 7956.2-2014 (GB7956.2-2014) | | Description (Translated English) | Fire fighting vehicles -- Part 2: Water tank fire fighting vehicle | | Sector / Industry | National Standard | | Classification of Chinese Standard | C84 | | Classification of International Standard | 13.220.10 | | Word Count Estimation | 17,144 | | Date of Issue | 9/3/2014 | | Date of Implementation | 7/1/2015 | | Quoted Standard | GB/T 3181; GB 4351.1-2005; GB 6245-2006; GB 7956.1-2014; GB 19156 | | Regulation (derived from) | People's Republic of China Announcement of Newly Approved National Standards No. 21 of 2014 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the terms and definitions tank fire, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This Standard is applicable to water tanker fire; fire water supply refer to this standard. | GB 7956.2-2014: Fire fighting vehicles -- Part 2: Water tank fire fighting vehicle---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Fire fighting vehicles.Part 2. Water tank fire fighting vehicle
ICS 13.220.10
C84
National Standards of People's Republic of China
Fire - Part 2. tank fire
Issued on. 2014-09-03
2015-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB 7956 this part of Chapter 4, Chapter 6, and 7.1 are mandatory, the rest are recommended.
GB 7956 "fire" is divided into the following sections.
--- Part 1. General requirements;
--- Part 2. tank fire;
--- Part 3. foam fire engine;
This section GB of Section 27956.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Technical Committee of Standardization Technical Committee pump fire truck (SAC/TC113/SC4) centralized.
This section drafted by. Ministry of Public Security Shanghai Fire Research Institute.
The main drafters of this section. Tian Yongxiang, Wan Ming Yan Yau high, FU Jian bridge, Zhu Yun, He Ning, Su Lin, Zouzong Hua, Yin Weide.
Fire - Part 2. tank fire
1 Scope
GB This section 7956 specifies the terms and definitions tank fire, technical requirements, test methods, inspection rules and signs, packaging,
Transport and storage.
This section applies to the water tanker truck; the implementation of water supply fire engines with reference to this section.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 3181 standard paint colors
GB 4351.1-2005 Portable fire extinguishers - Part 1. Performance and structural requirements
GB 6245-2006 fire pump
GB 7956.1-2014 fire - Part 1. General requirements
GB 19156 artillery fire general technical conditions
3 Terms and Definitions
Terms and definitions defined in GB 6245 and GB 7956.1 apply to this document. For ease of use, repeat the following list GB 7956.1-
2014 Some of the terms and definitions.
3.1
Tank fire watertankfirefightingvehicle
Major equipment vehicle fire pump and tank, with water as the main fire extinguishing agent.
[GB 7956.1-2014, the definition 3.1.1]
3.2
Water fire watersupplyfirefightingvehicle
Major equipment vehicle fire pump and large capacity water tank for fire water supply to the disaster site.
[GB 7956.1-2014, the definition 3.1.2]
4. Technical Requirements
4.1 Basic requirements
Tank fire (hereinafter referred to as "Water tankers"), water truck (hereinafter referred to as "water car") shall comply with the GB 7956.1-2014
General technical requirements, it must also comply with the requirements of this section.
4.2 Vehicle Requirements
4.2.1 General requirements
4.2.1.1 After the fuel tank capacity should meet the full load with 100km of continuous work in fire rated flow and outlet pressure 2h.
4.2.1.2 should hand control engine speed controller, the operating mechanism is easy to operate, and maintain a stable engine speed, the operator
Members of the fire pump operating pressure should be able to see all display devices, fire pump tachometer and other indicator.
4.2.1.3 Automatic control each body shall manual emergency measures.
Fire pump outlet and inlet pressure gauge connection should be provided at the test 4.2.1.4 Operation panel connection pipe, the interface specifications for the M10 × 1.5mm
External thread, thread length is not less than 15mm, the position of the interface should be easy to install add-gauge and marked identity.
4.2.1.5 Main area of operation panel 1.2m from the ground should not be greater than 65mm above the outlet.
4.2.2 Instructions and labeling
4.2.2.1 Operation panel should include the following.
--- Fire pump rated flow rate and discharge pressure values and operating instructions;
--- Fire pump outlet pressure display (accuracy is not less than 2.5);
--- Fire pump inlet pressure display (accuracy is not less than 2.5);
--- Fire Pump speed display and cumulative operation time is displayed;
--- Water tank level display;
--- Engine temperature display;
--- Engine oil temperature display;
--- Instrument panel and switch on the use of description plate;
--- Emergency stop button.
4.2.2.2 Operation panel should water pipeline system diagram and basic operating instructions.
4.2.2.3 in the tank at the water inlet should be provided with "water jug mouth" on the signs, signs should be permanently fixed.
4.3 Chassis restructuring requirements
4.3.1 Chassis restructuring should meet the requirements of GB 7956.1-2014 in 5.4.
4.3.2 When the tank is mounted directly on the chassis, body and chassis should ensure elastic coupling without direct contact with the chassis.
Requirements 4.4 Fire Water System
4.4.1 Fire Pump
4.4.1.1 choice of vehicle fire pump shall comply with the relevant provisions of GB of 6245-2006.
It puts water installations 4.4.1.2 fire pump should be easy to operate, and should be directly over the water discharged to the outside of the vehicle.
4.4.1.3 fire pump and engine power should match.
--- Fire pump rated operating conditions of the engine shaft power rated power ratio. gasoline should not exceed 55%; diesel engine should not exceed 60%;
--- PTO's growth rate should not exceed 1.5.
4.4.2 pipeline fire
4.4.2.1 General requirements
4.4.2.1.1 All lines should be corrosion-resistant material or take anti-corrosion measures.
4.4.2.1.2 piping layout should be easy for the fire pump and drive mechanism for maintenance and repair.
4.4.2.1.3 fire line should be used to distinguish between different colors, water pipes and jugs of water to the fire pump piping should GB/T 3181 regulations
The G05 dark green outlet road R03 should be a big red GB/T 3181 regulations.
4.4.2.2 fire pump feed line
4.4.2.2.1 When the fire pump located in the inlet side should be on both sides of the vehicle are located in the inlet. Unilateral intake should meet fire rated pressure
Force and flow requirements.
4.4.2.2.2 rated flow is not less than 100L/s of the fire water pipe valve should be set.
4.4.2.2.3 inlet pipe should ensure that the water in the 45s can do more than put water inside the pipe.
Shall be installed between each inlet 4.4.2.2.4 fire pumps and suction pipe corrosion filters, filter flow area should reduce fire pump
Rated pressure and flow. On the screen holes should not adopt.
--- For the rated flow rate of not more than 30L/s of the fire pump, is greater than or equal to particles of 8mm.
--- For the rated flow is greater than 30L/s of the fire pump, particles greater than or equal to 13mm.
4.4.2.2.5 suction pipe should be configured, each vehicle carries suction pipe length should not be less than 8m.
4.4.2.2.6 feed line at 0.8MPa pressure pipeline should not be leaking, sweating, seal leakage phenomenon; in 1.2MPa pressure
Should not be broken down, it should not cause permanent deformation affecting the normal use.
4.4.2.3 fire pump outlet road
Diameter and number 4.4.2.3.1 outlet road should ensure that fire rated conditions of water flow.
4.4.2.3.2 outlet road in the 45s should be able to ensure that the remaining water outlet pipe exhausted within the road, put the remaining water should be easy to operate.
4.4.2.3.3 When the outlet center ground clearance greater than 1.2m, the outlet should be aimed downward and away from the plane of the operation pedal height should not be large
To 1.2m.
4.4.2.3.4 outlet road should be installed to close the valve outlet road and fire pump connections.
1.1 times 4.4.2.3.5 outlet road shall be subject to hydrostatic seal test, the test pressure outlet road to withstand the maximum working pressure of the pipeline
And the connecting point should not be leakage.
1.5 4.4.2.3.6 outlet road shall be subject to hydrostatic strength test, test pressure outlet road to withstand the maximum working pressure should not be
Significant deformation and structural damage occurs.
4.4.2.3.7 outlet road at the maximum working pressure, manual opening and closing of the valve opening and closing force without the use of assistive devices under the premise
Should not exceed 200N. Non-manual opening and closing of the valve according to the normal method of operation can be turned on and off. When there is no pressure outlet road, hand
Opening and closing movement of the valve opening and closing force should not exceed 50N.
4.4.2.3.8 indicates the valve should open and close direction indication signs, in the operating position of the valve should be visible at the "slow open the valve," the
Warning signs, the structure should ensure that the valve from the open to the maximum opening time should be used for more than 5s.
4.4.2.4 tank to pump water pipeline fire
4.4.2.4.1 tank should not be used manually when the road to the water mains shall be provided with fire pumps and valves easy to operate, the rated flow is greater than 60L/s
Open.
4.4.2.4.2 imported water tank inside the tubing set when sewage hole adjacent to the site, should ensure that dirt does not enter the fire pump.
4.4.2.4.3 Water pipe imports should be provided with screens, and should satisfy the conditions required fire rating.
4.4.2.4.4 rated flow is not greater than 100L/s of fire engines, fire pump water tank to the pipeline should guarantee extraction tank capacity 90%
Water on the rated flow is greater than 100L/s of fire engines, fire pump water tank to the pipeline should guarantee extraction tank capacity of more than 85%
Of water.
4.4.3 tank
4.4.3.1 Tank Requirements
4.4.3.1.1 tank volume is greater than or equal to 12m3, the volume of the error should not exceed ± 2%; volume of less than 12m3 and not less than 1m3, the
Each reduction 1m3, the error absolute value increased by 0.1%; volume of less than 1m3, the volume of the error should not exceed ± 10%.
4.4.3.1.2 tanks and valves should be corrosion-resistant materials or by the anti-corrosion treatment.
4.4.3.1.3 tank volume of more than 2m3, the tank should be fortified swing plate, tank volume of more than 3m3, the tank should be located longitudinally anti-swing plate, anti-swing plate separated out
Single chamber volume should not exceed 2m3.
4.4.3.1.4 top of the tank volume greater than 1m3 should be set manholes and manhole cover for personnel access, manhole diameter not less than 400mm, people
Manhole cover in the tank pressure exceeds 0.1MPa automatic pressure relief.
4.4.3.1.5 tank should be set at the lowest sewage hole, was discharged silt should not touch the body and chassis components.
4.4.3.1.6 tank should be set level or fluid volume indicator.
4.4.3.1.7 tank shall withstand hydrostatic pressure of 0.1MPa, 0.1MPa by hydrostatic strength test, the tank should not be noticeable on both sides
Residual deformation, the pipe connecting the valve are not allowed to have leaks.
4.4.3.2 injection device
4.4.3.2.1 fire pumps to the water line of the tank should be set valve, the valve should be easy to operate. NOTE lead pipe diameter not less than 65mm, tube
There should be no water in the road.
4.4.3.2.2 from outside the vehicle to a water tank pipe diameter not less than 65mm, the pipeline should ensure that the water tank will not be back, not pipeline
It should be water. Water inlet should be added to the protective cover.
4.4.3.2.3 in the tank at the water inlet should be provided with "water jug mouth" on the signs, signs should be permanently fixed.
4.4.3.3 overflow device
Should be set up through the atmosphere within the tank overflow pipe, overflow pipe diameter not less than the water line between the water tank and fire pump diameter
30% of the overflow pipe should be above the roof.
Fire Monitor 4.4.4
Car Fire 4.4.4.1 water tanker is equipped with spray gun performance should be consistent with the requirements of GB 19156.
Depression 4.4.4.2 vehicle loading artillery fire after not less than 7 °.
4.4.4.3 roof gun inlet pipe should be set up to control opening and closing of the valve.
4.4.4.4 guns and car roof before the gun should be locking mechanism, the locking mechanism can be locked reliably spray gun fire at any pitch and swing
angle.
4.4.4.5 When the car fire artillery wireless remote control, wireless remote control signals are not response made fire control systems and other communications systems
For interference.
4.4.5 The maximum vacuum and sealing
At atmospheric pressure 101kPa, maximum vacuum truck water device that can be formed of not less than 85kPa. Diversion System
Tightness under maximum vacuum condition, decrease the value of the degree of vacuum within 1min should not exceed 2.6kPa.
4.4.6 Maximum suction depth when the fire pump performance, diversion time
4.4.6.1 atmospheric pressure 101kPa, when the water temperature 20 ℃, the maximum suction depth of not less than 7m. Diversion time should meet the requirements of Table 1.
Table 1 single suction outlet 7m deep absorption diversion time
Limited Data
L/s
Diversion Time
≤80 ≤60
> 80 ≤100
4.4.6.2 at the maximum suction depth, flow, and fire pump outlet pressure shall meet the requirements in Table 2.
Table 2 7m deep absorption performance of the pump
Fire pump outlet pressure flow form
50% of the low pressure, low pressure, high and low pressure fire pump low pressure rating of not less than the low-pressure rating
Medium pressure fire pump
High-pressure fire pump
50% rated
Not less than the rated value
Not less than the rated value
4.4.7 continuous operation test
Water tankers 6h continuous operation test shall meet the following requirements.
--- In continuous operation during the test, the engine speed should not exceed the rated speed of the engine;
--- Engine without abnormal noise, excessive vibration, leaks, spills, leaks and other anomalies;
--- Engine water temperature less than 90 ℃;
--- Engine oil temperature is less than 95 ℃;
--- Transmission and PTO oil temperature should be less than 100 ℃;
--- PTO output shaft bearing temperature should be less than 100 ℃.
4.4.8 Water tankers overload performance
Water tankers should be overload test, engines and fire pump should be working properly, no excessive vibration, oil spills and other phenomena.
4.5 Instrument requirements
4.5.1 Instrument should comply with GB 7956.1-2014 in 5.6.
4.5.2 show a negative pressure vacuum gauge should be used in conjunction with pressure vacuum table.
4.6 equipment placed, and with fixed
4.6.1 Equipment shall be placed and fixed in line with GB 7956.1-2014 5.10,5.11 provisions.
4.6.2 with equipment, accessories shall not be less than specified in Table 3.
Table 3 equipment with table
No. Name Number of Units
Type fire truck
Water tanker supply vehicles
Remark
Fire Hose m
Firefighting
DC Water firearms
Diversion DC
Spray gun
Q≤30L/s 200 √ -
30L/s \u003cQ≤60L/s 320 √ √
Q > 60L/s 400 √ √
2 √ √
2 √ √
φ65mm
φ80mm, with medium voltage output
To be equipped with water 200mφ65mm
φ16mm or φ19mm
according to
pressure
grade
reasonable
Configuration
3 dry powder fire extinguisher 1 √ √ 8kg, ABC powder
4 catchment device
Q≤60L/s 1
Q > 60L/s 2
√ √ accordance with the appropriate pressure level rational allocation
Table 3 (Continued)
No. Name Number of Units
Type fire truck
Water tanker supply vehicles
Remark
5 trap device
Q≤60L/s 2
Q > 60L/s 3
√ √ accordance with the appropriate pressure level rational allocation
6 suction pipe wrench a 2 √ √
7 a rubber hammer 1 √ - for suction pipe connection
8 ground hydrant wrench member 1 √ √ reasonably configured according to local requirements
9 underground hydrant wrench member 1 √ √
10 fire ladder 1 √ - ≥6m
11 Reducing interface a number of outlet √ √ Each outlet is equipped with an Reducing interface
12 protection with bridge vice 2 √ √
13 pieces of cloth with water 8 √ √
14 Hose hook member 8 √ √
15 pieces of fire ax 1 √ √
16 rechargeable portable lights only 2 √ √
Fire water pipe 17 m ≥8 √ √
Only 18 per 8m suction pipe water filter water pipe with a √ √
19 portable smoke machine 1 - -
20 hand-lift pump station 1 - -
21 rescue tools set 1 - -
22 SCBA set number of occupants - -
23 Pipeline foam proportioner set 1 √ -
24 firearms foam tube 2 √ -
Note 1. The table "Q" stands for "fire pump rated flow."
Note 2. "√" indicates mandatory; "-" represents unworthy.
4.7 alarm lamp
Alarm lighting performance should be consistent with GB 7956.1-2014 specified in 5.7.28 - 5.7.31 of.
4.8 vehicle documents, tools and consumables
4.8.1 In addition to fire engines should be delivered to the user when the delivery vehicle registered outside the required information should be delivered to the user the following Chinese vehicle documents.
--- Chassis operating manual;
--- Chassis maintenance manuals and parts catalogs;
--- Chassis quality assurance and service instructions;
--- Chassis certificate;
--- Lorry chassis inventory tool;
--- Fire electrical schematics;
--- Fire Owner's Manual;
--- Fire truck repairs, maintenance manuals and parts catalogs;
--- Fire certificate;
--- Quality assurance and service commitment;
--- Fire vehicle tools and wearing parts lists;
--- With the assembly and attachment of certificate and instructions for use.
4.8.2 In addition to truck chassis vehicle configuration tool to configure a dedicated tool outside the vehicle should the fire device.
4.8.3 fire fighting equipment should be a full vehicle configuration circuit fuse.
5 Test methods
5.1 Basic requirements for test
Test by GB 7956.1-2014 Chapter 6 of the relevant content, to determine whether the test results in line with GB 7956.1-2014 Chapter 5
related requirements.
5.2 Test Vehicle Requirements
5.2.1 General requirements for test
After running at full load 5.2.1.1 100km, parked on a flat, hard ground, in 3m deep absorption, the absorption will connect water filter
Fire hose connected to the pump inlet and into the water, start the engine and engage the fire pump and fire pump continuous operation 2h at rated conditions. when
Test conditions are not standard ambient conditions, in GB 10.4.1 shall amend the provisions of 6245-2006. Determine whether the test results symbol
Meets the requirement of 4.2.1.1.
5.2.1.2 Check the speed controller, and view the operation of the device at various instructions to determine whether the test results meet the requirements of 4.2.1.2.
5.2.1.3 Check the automatic control mechanism, it is determined whether the test results meet the requirements of 4.2.1.3.
Connection mode and identifies the connection pipe at the fire pumps 5.2.1.4 Check the operation panel gauge of exports and imports, with a vernier caliper measurements Union
Then thread diameter and length measurements with pitch thread gauge, determine whether the test results meet the requirements of 4.2.1.4.
5.2.1.5 Check the operation panel of the outlet side, and measure the diameter and height above the ground with a tape measure to determine whether the test results 4.2.1.5
Requirements.
5.2.2 Instructions and identification tests
Indicating or displaying device determines whether the results meet the requirements of 4.2.2.1 to check on the operation panel 5.2.2.1 visual inspection.
Is there a visual inspection of the operation panel 5.2.2.2 water pipeline system diagram to determine whether the test results meet the requirements of 4.2.2.2.
5.2.2.3 Check the tank water inlet, determine whether the test results meet the requirements of 4.2.2.3.
5.3 Chassis restructuring Test
5.3.1 The method according to GB 7956.1-2014 test specified in 6.4, it is determined whether the test results meet the requirements of 4.3.1.
5.3.2 Check the tank and the chassis of the connection mode, it is determined whether the test results meet the requirements of 4.3.2.
Hydraulic System 5.4 Test Fire
5.4.1 fire pump inspection
Now the choice of fire pumps 5.4.1.1 relevant information to determine whether the test results meet the requirements of 4.4.1.1.
It puts water installations 5.4.1.2 inspection of fire pumps, to determine whether the test results meet the requirements of 4.4.1.2.
5.4.1.3 matching parameters Now companies in the design data of the engine fire pump to determine whether the test results meet the requirements of 4.4.1.3.
5.4.2 pipeline fire test
5.4.2.1 General requirements for test
5.4.2.1.1 Check all fire piping material or anti-corrosion measures to determine whether the test results meet the requirements of 4.4.2.1.1.
5.4.2.1.2 visual inspection of all fire protection piping arrangement, it is determined whether the test results meet the requirements of 4.4.2.1.2.
5.4.2.1.3 Visually inspect all colors fire pump and piping connected to the fire, it is determined whether the test results meet the requirements of 4.4.2.1.3.
5.4.2.2 fire pump feed line test
5.4.2.2.1 Visual inspection of the fire pump inlet position. Fire truck parked on a flat, hard ground, in 3m deep absorption, the filter will be connected
The water suction pipe connected to the pump inlet fire and into the water, start the engine and engage the fire pump. When the test conditions are not standard environmental conditions
When, in GB 6245-2006 10.4.1 should be amended provisions, inspection of fire pump pressure and flow to determine whether the test results
4.4.2.2.1 requirements.
5.4.2.2.2 Check the water inlet pipe valve to determine whether the test results meet the requirements of 4.4.2.2.2.
5.4.2.2.3 put with a stopwatch measured the time to do more than water, it is determined whether the test results meet the requirements of 4.4.2.2.3.
Intake strainer and suction pipe between each 5.4.2.2.4 visual inspection of the fire pump, with vernier caliper flow cross-section of the filter holes foot
Inch, determine whether the test results meet the requirements of 4.4.2.2.4.
5.4.2.2.5 length of the suction pipe with tape measure, determine whether the test results meet the requirements of 4.4.2.2.5.
Holding 3min, Analyzing test results when the test 5.4.2.2.6 Each inlet and outlet closed, pressurized water into the pipe with test pump, to test pressure
If compliance with the requirements of 4.4.2.2.6.
5.4.2.3 fire pump outlet road test
5.4.2.3.1 fire truck parked on a flat, hard ground, the water pipe connected to the pump inlet fire and into the water at each outlet and a flow meter
Connected, start the engine and engage the fire pump running at rated speed, measure the fire pump pressure and flow to determine whether the test results
4.4.2.3.1 requirements.
5.4.2.3.2 fire pump after the operation, the release of water pipeline more than water, put the remaining water to make time with a stopwatch measured to determine whether the test results
4.4.2.3.2 requirements.
5.4.2.3.3 outlet center with a tape measure ground clearance, and visually check the outlet oblique case; outlet center with a tape measure from operations
Pedal plane for the height, determine whether the test results meet the requirements of 4.4.2.3.3.
5.4.2.3.4 visual inspection outlet road check valve is installed, it is determined whether the test results meet the requirements of 4.4.2.3.4.
5.4.2.3.5 The fire pump outlet check valve after the outlet road filled with water, to exclude residual air, close the valve, with a test pump to the outlet pipe
Slow Road to a predetermined pressure within the test pressure, keeping 3min, determine whether the test results meet the requirements of 4.4.2.3.5.
5.4.2.3.6 The fire pump outlet check valve after the outlet road filled with water, to exclude residual air, close the valve, with a test pump to the outlet pipe
Slow Road to a predetermined pressure within the test pressure, keeping 3min, determine whether the test results meet the requirements of 4.4.2.3.6.
5.4.2.3.7 manually opening and closing the valve, the outlet pipe under the road maximum working pressure in the valve operating handle operation force is applied to the top, with a pull
Force gauge measuring the opening and closing force size. When the outlet road no pressure in the valve operating handle operation force is applied to the top, with the Rally
Measuring the size of the opening and closing force, determine whether the test results meet the requirements of 4.4.2.3.7.
5.4.2.3.8 checking out the fire pump outlet road valve and directions signs, warning signs, and measured with a stopwatch used in the fully open valve
Room judge whether the test results meet the requirements of 4.4.2.3.8.
5.4.2.4 tank to pump water pipeline fire test
5.4.2.4.1 Check the water tank to the fire pump water pipes and va...
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