【 Weak current College 】 gas extinguishing systems maintenance management standards

First to standardize and enhance the province's gas fire extinguishing systems (including fire extinguishing media to gas combustion conditions, effectively destroying discontinues the burning fire extinguishing system, inert gas extinguishing system, halon fire extinguishing system, carbon dioxide fire suppression systems, etc.) the maintenance and management to ensure its healthy and effective, in accordance with State and provincial laws and regulations of existing relevant fire and fire-technical standards, the development of this standard.

The second management responsibility

1, gas fire extinguishing systems maintenance management by building property units responsible for the transfer of right to use when building, the building title units shall use the building clearly its day-to-day management units. With more than two units of property units and use of buildings, property units, the units should be entered into the fire safety responsibilities of law, a clear system of management responsibility, unified development systems maintenance management system, and entrusted property management agencies or joint establishment of organization management.

2, equipped with gas fire extinguishing systems management units should clearly centralized management functions and responsibilities of the relevant personnel, establishing the perfect maintenance management system, regularly organized on system maintenance.

3 units per year shall be entrusted with the maintenance of the qualification of a business-to-system for inspection, maintenance, make sure that the sprinkler system up and running.

Article 3, the maintenance management system

1. fire-extinguishing systems management units should be specially trained and examinations to obtain job skills qualification of personnel responsible for system operation and maintenance of management, maintenance management personnel should be familiar with the principle of gas fire extinguishing system, the performance and operation and maintenance of order.

2, the unit should be established in gas extinguishing system fault reporting and registration system fault elimination. Failure should be timely and tissue repair. As a result of fault, maintenance and other reasons, you need to temporarily disable system, shall be subject to the unit responsible for fire safety, the system stopped for more than 24 hours, in units of fire safety responsibilities are approved at the same time, it should be reported to the local public security agencies for the record, and to take effective measures to ensure security.

3. gas extinguishing system put into use after that it is in normal operation or prospective work status, will be allowed to power outage or long run with failure.

4, is equipped with gas fire extinguishing system units of annual inspection reports or linkage inspection records should be before the end of each year, reported to the local public fire Agency record.

Article 4, prior to preparing the system to use

1. the use of gas extinguishing system units shall be composed of specially trained personnel responsible for system operation and maintenance of management.

2, gas fire extinguishing system, should have the following documents: the system as-built drawings, commissioning and device-related technical information; firefighting agencies issued by the relevant legal instruments; system operating procedures and maintenance management system; system operating personnel roster and corresponding responsibilities; watch records and system of inspection and maintenance records for the chart.

3. the use of gas extinguishing system units building technical archives and backup archives should be electronic, systems of original technical information should be stored for a long time. Technical files should contain basic information and dynamic management. Basic information should include gas extinguishing system of acceptance of documents and product, system, user manual, system debug logging, and other original technical material. Dynamic management including gas extinguishing system of watch records, inspection records, the linkage of individual check records, check records, fault handling logging, etc.

5 system facilities, equipment requirements

1, gas fire extinguishing systems of fire extinguishing agent storage containers, container, select the valve, check valve, hose, pressure signal converters, nozzle, valve driver system components should be consistent with national current product standards and design requirements.

2, extinguishing agent storage containers, container, select the valve, check valve, hose, pressure signal converters, nozzle, valve driver system component appearance quality should meet the following requirements; (1), system components, no collision deformation and other mechanical damage; (2), components exposed non-machined surface protection coating intact; (3), component, all exposed interfaces are equipped with a protective wall, lid and seal well and interface threaded and flanged sealing face no damage; (4), nameplate, its content should be consistent with the corresponding national provisions of the existing product standards; (5), the protection of the same protection (or conservation) extinguishing agent storage container specifications should be consistent, its height difference of not more than 20mm; (6), pneumatic drive unit of gas storage container specifications should be consistent, its height difference of not more than 10mm.

3 bottles of group and tank components should be fastened, hand-operated equipment sealing pressure gauges should be intact, the display should be normal; should indicate the extinguishing agent name, storage bottles should be numbered, the drive unit and select the valve should be partitioned, select the valve manually sign-off should be flexible; storage bottle weighing device should function, and should have the original weight markup; carbon dioxide storage cylinders and tanks, the loss of the extinguishing agent reaches the set value is a beep signal; low pressure CO2 storage tanks of refrigeration installations should be properly, the control of temperature and pressure shall conform to the set value.

4, nozzle spout should be conducted correctly, and no plug phenomenon.

5. gas controller should have a fire alarm and fault alarm, post, display, and the timing functions and compliance with the fire alarm Controller General technical conditions "standard requirements; main power outage should automatically switch to standby power supply, after the main power recover should automatically switching to main power supply, and shall show separately the main, by power; automatic, manual conversion feature should be working properly, regardless of the device is in automatic or manual, manual startup should be valid; for the State should have the obvious signs or lights display the feedback signal display should be fine.

6. protection area and entrance of sound and light alarm equipment, entrance of safety signs, emergency stop button should be normal; fire alarm controller confirmed fire alarm delay start time after shall conform to the set value.

6 system perMonth check test

Managing maintenance personnel in each month and a half on gas fire extinguishing system for Visual inspection. Check content including:

1, storage containers, select extinguishing valve, liquid one-way valve, hose, collecting pipe, valve drive device, network and nozzles, etc all system components should be of no collision deformation and other mechanical damage, the surface should be no corrosion protection coating, intact, nameplate should be clear, hand-operated equipment of the shield, seals and safety signs should be complete.

2, medium pressure inside the storage containers, storage must not be less than the design pressure of 90%. 3. gas-driven device for pneumatic pressure, the source must not be less than the design pressure of 90%.

Article 7-a-half years check test system

Managing maintenance personnel per year on gas extinguishing system to undertake a comprehensive review. Check content including:

1. opening of the protective zone, protection zones and fuel type, amount, distribution, provision should be consistent with the original design.

2, extinguishing agent storage containers between equipment, fire extinguishing agent pipeline and branch, cradles of fixed, should not loose.

3, high pressure hose should no deformation, cracking and aging; if necessary, respond to each hose for water pressure strength and pressure tightness test.

4. each orifice should no clogging.

5, the extinguishing agent storage containers individually weighing checks, fire extinguishing agent net weight shall not be less than the design storage of 95%.

6, fire extinguishing agent of pipeline if injury and plug phenomenon, tightness test should be carried out and blowing.

7. for each protective zone of a simulation test to start automatically. Check the test method: simulation of the auto-start test, the first turn-off for extinguishing agent storage containers on the drive, install the corresponding indicators, pressure gauge, or other device, and then to be on the protection of smoke and heat detector separately issued analog fire signal, observation led displays properly or determination of pressure gauges to drive container valve and select valve, protection zone alarm is emitting sound, light and alarm signal, do associated firefighting equipment, control room fire control equipment is emitting sound, light and alarm signal and display each part of the action signal. Standard requirements: when the protective area smoke detector issued fire alarm signal, control room fire control equipment should receive and issue the sound, light and alarm signal detector parts; when the protective zone heat fire detectors emit fire alarm signal, control room fire control equipment should receive and issue the sound, light and alarm signal, displays the disaster site, while protecting the detector area sound, light alarms should alarm signal. Delay after 30 seconds, gas fire extinguishing installations automatically start Jet, protection zone for gas discharge lamps lit, fire control, fire control equipment with gas release feedback signal display. The delay period, related fire door, window, curtain, ventilation and air conditioning system and fire protection valves, etc. should be automatically closed, control room fire control equipment should have the martensii action signal display.

8, remote start test. Check the test method: first turn-off for extinguishing agent storage containers on the drive, install the corresponding indicators, pressure gauge, or other device, and then manually operated control room fire control devices for gas fire extinguishing installations starting equipment, observation led displays properly or determination of pressure gauges to drive container valve and select valve, protection zone alarm is emitting sound, light and alarm signal, do associated firefighting equipment, control room fire control equipment is emitting sound, light and alarm signal and display each part of the action signal. Standards: in the control room fire control devices manual start gas fire extinguishing installations, the protective zone alarm sound and light alarm, the delay should be 30 seconds, gas fire extinguishing installations should start, fire control, fire control equipment with gas release feedback signal display. The delay period, related fire door, window, curtain, ventilation and air conditioning system and fire protection valves, etc. should be automatically closed, control room fire control equipment should have the martensii action signal display.

9, emergency button starts the check test. Check the test method: first turn-off for extinguishing agent storage containers on the drive, install the corresponding indicators, pressure gauge, or other device, and then manually start the protective zone of an emergency startup button and observe the LEDs display the normal or determination of pressure gauges to drive container valve and select valve, protection zone alarm is emitting sound, light and alarm signal, do associated firefighting equipment, control room fire control equipment is emitting sound, light and alarm signal and display each part of the action signal. Standard requirements: manual protection outside emergency boot button, fire control, fire control equipment should be accepted and the issue of sound, light and alarm signal, and shows the Start button in the parts, the protective zone alarm sound and light alarm, the delay should be 30 seconds, gas fire extinguishing installations should start, fire control, fire control equipment with gas release feedback signal display. The delay period, related fire door, window, curtain, ventilation and air conditioning system and fire protection valves, etc. should be automatically closed, control room fire control equipment should have the martensii action signal display.

10, mechanical emergency start check test. Check the test method: test of storage bottle bottles, observation system actuation and control room fire control equipment signal display. Standard: in storage bottle storage containers between manual start of gas driven device (or boot storage container valve operation handles), storage containers, fire extinguishing gas via pipeline sprayed to protection zones, the pipeline pressure signalling device for which the action signal feedback to control room fire control equipment.

11, emergency break check test. Check the test method: in the protection zone simulation fire signal (or boot protection outside emergency start button, or launch control room fire control equipment of emergency boot device), the delay of 30 seconds, the startup protection zone (or control room fire control equipment) emergency interrupt button, observe whether the gas fire extinguishing installations, control room fire control equipment for emergency interrupt the action signal display. Standard requirements: when the protective zone, smoke, heat probeAfter measuring the alarm (or protective external emergency start button starts, or control room fire control equipment emergency startup), the delay of 30 seconds, manual emergency interrupt button, you should discontinue fire fighting instructions, control room fire control equipment should have the emergency break action signal display.

8 control display requirements

Fire control rooms should be can't display system for manual and automatic operation and fault status. Should be able to display system for valve drives of normalcy and action state, and can show the protection zone of fire doors, fire dampers, ventilation and air conditioning equipment in working condition and actions. Fire control rooms should be automatic and manual control system for starting and stopping, and display delay status signals, pressure feedback signal and stops the signal, displays the spraying of all phases of the action state.