Our project department has developed the work documentation of the AGPT gas fire extinguishing work.

Automatic gas fire extinguishing installation

This project "Automatic gas fire extinguishing installation" is designed to premit the bank data processing center. Based on the contract, the source data provided by the Customer, in accordance with the technical conditions for the design and the following regulatory and technical documentation:

SP1.13130.2009 SP3.13130.2009 SP4.13130.2009 SP5.13130.2009

"Evacuation paths and outputs"

"The system of alert and management of the evacuation of people in the fire"

"Restriction on the spread of fire on protection objects"

"Fire alarm and fire extinguishing automatic installation"

SP6.13130.2009 "Electrical Equipment"

SP 12.13130.2009 "Definition of categories of premises, buildings and outdoor

"Technical Regulations on Fire Safety Requirements"

Order of the Ministry of Emergency Situations No. 315-2003

Pue 2000 (ed. 7) GOST 2.106-96

"List of buildings, structures, premises and equipment to be protected by automatic fire extinguishing installations and automatic fire alarm"

Rules of electrical installation devices.

Unified system of design documentation. Text documents.

Brief description of the object.

Object - 3-storey building with basement. The overlap of the basement is reinforced concrete, thickness 25 cm. The degree of fire resistance of the building - II, the level of responsibility is normal. The main fireload indoor is a combustible mass of cables.

The protected premises for explosive hazards have a category B4, the class of explosion hazard - PI of II. Dusting, the presence of aggressive funds, heat sources and smoke. The height of the 1st floor (setting of the system) is a variable: from concrete floor to overlap - 2800 mm; From concrete floor to beam - 2530 mm. The height of the basement is 3 meters.

The main technical solutions adopted in the project.

Characteristics of protected premises.

Room	Server
Height, M.
Area, m2
Suspended ceiling	absent
Full room size, m3
Falsefol
Full volume of underground space, M.
Fire class
Room
Height, M.
Area, m2
Suspended ceiling	absent	absent
Full room size, m3
Falsefol
Full volume of underground space, m3
Fire class
Availability of constantly open openings

Entrance doors to the protected rooms are equipped with automatic closers.

Brief characteristic of fire extinguishing agent.

Automatic surround fire extinguishing systems directly affect the fire in the initial stage of its development. As a fire extinguishing agent for protected areas, the gas extinguishing composition of the ZMTM NOVECTM 1230 is adopted. In installations with a gas fire extinguishing agent (GOT) Novec implemented a bulk fire extinguishing method based on the cooling effect.

The installation includes the following equipment:

For server - 1 module of gas fire extinguishing MPA-TMS 1230 with GOTS "ZMTM novectm 1230" 180 l, a working pressure of 25 bar at 20 ° C, designed for storing and producing a fire extinguishing agent. The module is supplied with a filled fire extinguishing agent. For UPS 1 (UPS 2) -1, the gas fire extinguishing module MPATMS 1230 with GOTS "ZMTM NOVECTM 1230" 32 l, a working pressure of 25 bar at 20 ° C, intended for storing and producing a fire extinguishing agent. Modules are supplied with a filled fire extinguishing agent.

Pressure relay designed to issue a setting signal is set directly on the module shut-off device. Modules using high pressure sleeves are connected to pipelines. The pipelines establishes the nozzles designed for uniform dispersion of GOTS "3MTM NOVECTM 1230" in the protective room.

System work

If the fire has occurs in the protected premises, one or more detectors (sensors) and information from the work sensor enters the device receiving and control and control of automatic fire extinguishing agents and the "C2000-ASPT" alarms, through the outputs of which automatic fire extinguishing installation (AUPT) . With a single smoke response (normally open), the rewriting feature of the detector: recesses the voltage in the SC and for one minute it expects a repeated response. If the detector did not switch to the initial state after reset or re-worked for one minute, the device goes into the "Attention" mode. Otherwise, the device remains in standby mode.

The device recognizes double workout, that is, the device distinguishes that two or more detectors worked in the loop. In this case, the transition from "on guard" and "attention" to the "Fire" mode is carried out only when the second detector is triggered in SC. The device transition to the "Fire" mode is a condition for automatic launch of the AUPT. Thus, the automatic launch tactics is implemented when two detectors are triggered in one SC. The fire alarm system is made on flue fire detectors Dip-44 (IP 212-44), combined into loops and connected to automatic receiving control devices "C2000-ASPT", which are installed in the room of the server and in the UPP1 and UPS2 rooms. The launch of the AUPT is automatically carried out when at least 2 smoke fire detectors are triggered by IP 212-44 included in the fire alarm cable "C2000-ASPT".

The scoreboard "automatics is disabled"; And "Gas, do not go" installed outside the doors of the room. Remote Start Buttons with Plexo 091621 (Legrand) key with a key to protect against unauthorized inclusion and key readers Touch Memory "Reader-2" are installed outside at an altitude of 1.5 m from the floor. To refer to the switch, there is a "remote launch of the AUPT", which is installed outside the protected room. After receiving the command from the installation of the fire alarm, the flat light scoreboard with the built-in sound lilac "Gas-leaving" "Zipper24-3", installed indoors, and outside the room the board "Gas is not logged" and signals are given to the closure of fire-adjacent valves of ventilation systems and Fire signal to the control and access control system, in the system of fire alarm building and to the dispatch system.

After 10 seconds, the premises protected by the "C2000-ASPT" of the premises are issued, a team is issued to launch an AUPT, and it is necessary that the door to the protected room can be closed. Starting of GOTS occurs after the expiration of the delay of 3 seconds. The launch time of the start of the AUPT is given to the possibility of evacuating people from the premises, turning off the supply and exhaust ventilation, and the closure of the flame retardant valves. In accordance with the task of the customer, it is planned to manage air conditioning systems in an amount of 8 pcs. from the 4th channel "C2000- ASPT". "C2000-ASPT" is programmed to disable the air conditioning system at the time of gas release. When the team arrives, the fire from the automation of the system is stopped by the air conditioning system of the data center. After the time required to evacuate the staff and the release of GOTV (the current time of 23 seconds), the air conditioning system is launched.

Instruments

If the "Automation Recovery" option is enabled, the "C2000-ASPT" device automatically restores the "Automatics" mode when restoring DS doors (when closing the door), or when recovering after a malfunction. In the room is installed 8 - overhead strobe, 220V, 1w, PC flask, IP 44, G -JS -02 R red, which are ignited when translating the system into automatic mode. If the parameter is turned off, the ds of the door ds leads to the translation of the "C2000-ACT" instrument to the launch mode "Automatics off", And when restoring DS doors, the start-up mode does not change. To control the door closure to the protected room, the magnetic contact detector "IO 102-6" is used. When the gas is released from the gas fire extinguishing module, it turns out the signal to the signal panel on the gas supply to the distribution pipe.

To ensure the safety of the personnel of personnel, when entering the protected room (door opening), the magnetocontact detector "Io 102-6" is triggered and blocks automatic installation start. To enable and disable the automatic launch of the AUPT, at the entrance to each protected room installed external contact devices EI "Reader-2". To carry out repair work and planned check, to disable automatic gas fire extinguishing settings, the Touch Memory keys are used, and the automatic fire alarm installation remains in a working state, and the AURPT setting signal will not be issued.

When the automatic launch system is disconnected, the Lightning table is turned on with the inscription "Automatic disabled", installed outside the protected room. The restoration of automatic starts is performed using a block of fire extinguishing system "C2000-PT", installed in the room of round-the-clock duty under the following conditions:

defined key to control;

access is allowed (external indicator status - enabled) on Touch Memory.

fire extinguishing systems

Installed indoors of the 24-hour duty, the fire extinguishing system "C2000-PT" is designed to be issued to the built-in light indicators and the audio signaling of the states of sections obtained by the RS -485 interface from the C2000M console and fire control through the C2000M remote control. "C2000-PT" allows you to produce for each of the 10 directions:

"Enable automation" (pressing the "Automatics" button when the automation is turned off);

"Turning off automation" (pressing the "Automatics" button when the automation is enabled);

"Starting PT" (pressing the "quenching" button for 3 s);

- "Cancel start of PT" (short-term pressing on the "quenching" button).

Basic technological solutions.

The project adopted modular gas fire extinguishing installations. The modular installation intended for the gas fire extinguishing server is located in the vestibule. Modular installations intended for the gas fire extinguishing of the PC1 and UPS2 premises are located directly in the protected areas. The module with high pressure sleeves is connected to the pipeline. On the pipeline is set by nozzles designed to uniform dispersion of GOTS "3MTM NOVECTM 1230" in the protective room.

Gas fire extinguishing systems are placed with the possibility of free access to it for its maintenance. The main characteristics of automatic gas fire extinguishing settings are presented in tables.

Main characteristics A UGP

Protected premises		Server
		MPa IUS1230 (25-180-50) 180l 1 pc.
Mass of GOTS, kg
Sprayer (nozzles), pcs.		NVC DN 32 Aluminum nozzles 1 1/4 "- 2 pcs.
The time of release of GOTS, s.
		MPa IUS1230 (25-180-50)
Protected premises
Gas fire extinguishing module, pcs.	MPa-NVC 1230 (2532-25)		MPa-NVC 1230 (25-32-25)
Mass of GOTS, kg
Sprayer (nozzles), pcs.	NVC DN 32 Aluminum nozzles		NVC DN 32 Aluminum nozzles
The time of release of GOTS, s.
Module for storing stock MOTOS, pcs.	MPa-shs1230 (25-32-25)
Mass of GOTS in spare modules, kg

When the starting pulse is applied to the shut-off module with an electrical module (the voltage is fed to the solenoid valve), opening the SPU of this module and the HOT ROTS on the pipeline wiring enters the sprayers (nozzles).

The calculation of the mass of GOTOS, as well as other installation parameters, was carried out in accordance with the SP 5.13130.2009 and ANPB 05-09 "The standard of organization for the design of gas fire extinguishing installations with MPa-NVC 1230 modules based on the NOVEC 1230 fire extinguishing agent". General Technical Requirements "(FSA VNIIPO EMERCOM of Russia. 2009), as well as the current version of the Hygood NOVEC 1230 FlowCalc Hyg 3.60 hydraulic stream calculation program, developed by Hughes Associates Inc. and confirmed by the internally tests of FSA VNIIPO EMERCOM of Russia. Case No. 001 / 2.3-2010. Removing combustion products after a fire according to the design task is made using a system of sociable ventilation.

Installation pipelines.

Installation pipelines are made from steel seamless hot-focused pipes according to GOST 8734-75. The conditional passage of pipes is determined by hydraulic calculation. It is allowed to use pipes with different wall thicknesses, subject to the preservation of the conditional passage specified in the project, and the thickness of no less project. Compound of system pipelines - welded, threaded, flange. Fastening pipelines to perform in places specified in the drawing, on the suspensions adopted in this project. The gap between pipelines and construction structures should be at least 20 mm. Installation pipelines must be grounded. The sign and place of grounding - according to GOST 21130. After the installation of the pipelines to test for strength and tightness, according to paragraph 8.9.5 SP5.13130.2009. Pipelines and their compounds should provide strength at a pressure of 1,25rrug, and tightness for 5 minutes at a pressure of RB (where Rrab is the maximum pressure of the GOTOS in the vessel under operating conditions). In this way:

RRB \u003d 4.2 MPa

Rpp \u003d 5.25 MPa

Before conducting tests, pipelines must be disconnected from control and starting nodes and muffled. Test plugs should be screwed in the installation site of the nozzles. Pipelines are subjected to protective and identifying color in two layers in colors according to GOST 14202-69 "Pipelines of industrial enterprises. Identification coloring, warning signs and marking panels "and GOST R 12.4.026-2001, p.5.1.3 Enamel of the PF-115 yellow brand. One layer of primer GF-021 is applied before applying enamel. Installation of the installation of gas fire extinguishing is made in accordance with EAS 25.09.66-85 and passports on the product.

Cable lines

Reserved source of power supply Rip-24 isp. 01 and the device receiving and controlling automatic fire extinguishing tools and "C2000-ASPT" alarm to the 220V network and are connected by the WGG-FRLS 3x1.5 cable. Signal table "Zipper24", SDU, Fire alarm Sensors "IP 212-44", Mago-contact sensors "IO102-6" and switching device of the UK-VK / 04 are connected by CBV broadcasts-FRLS 1x2x0.75 and 1x2x0.5. The RS -485 interface lines are performed by CMVVN-FRLS 2x2x0.75 cable. The cables are placed in the premises in the electrical box 60x20 and 20x12.5, and in the corridor - in the electrical box 20x12, 5 and in the corrugated pipe D \u003d 20.

Power Supply

According to Pue, the fire alarm in terms of power supply is related to the 11th category electrical receivers. Therefore, the installation power supply should be carried out from two independent AC sources with a voltage of 220 V, a frequency of 50 Hz and at least 2.0 kW each, or from one AC source with automatic switching in emergency mode to backup power from batteries. Backup power should ensure normal operation of the installation within 24 hours in the standby mode and at least 3 hours in the fire mode. Fire extinguishing system "C2000-PT", RS -232 / RS -485 interface converter, "C2000-PI" and a control and control device "C2000M" fastening from a reserved power source Rip-24 isp. 01.

Devices receiving and control and control of automatic fire extinguishing tools and "C2000-ASPT" alarm, installed in the premises of the server and in the premises of UPS1 and UPS2 consume no more than 30W from the 220V network. Power consumption is 250 W. TECHNICAL CHARACTERISTICS OF ELECTRICS OF THE FIRE POST: Voltage at the working entry - 220V, 50 Hz. Power consumption for work input - no more than 2000 VA. The voltage deviations from -10% to + 10%.

Occupational safety and safety

Compliance with safety regulations is a prerequisite for safe operation when operating installations. Violation of safety regulations can lead to accidents. The installation of the installation is allowed by persons who have lost safety instructions. The passage of the briefing is marked. All electrical installation, assembly and repairs should be made only when the voltage and compliance with the "maintenance rules of electrical installations of consumers" and "safety regulations during the operation of electrical installations of consumers of the State Energy Industry". All work is done only by a good tool, it is prohibited to use wrench with elongated handles, the instruments handles must be made of insulating material. Installation and commissioning should be performed in accordance with the RD 78.145-93.

Maintenance.

The main purpose of maintenance is the implementation of measures aimed at maintaining installations in a state of readiness for use: prevention of malfunctions and premature failure of the components of the instruments and elements.

Structure and repair:

Maintenance;

Planned maintenance;

Planned overhaul;

Non-planned repair.

When carrying out work, you should be guided by the requirements of "Instructions for Operation and Technical Services" devices used in the AUPT system.

Professional and qualifying staff staff.

Maintenance and maintenance operations are performed by mounters of communication not lower than the 5th category. The number of communication monterers for the current repair of the OS takes into account the necessary time spent on all components of the installation elements. Thus, the required number of personnel is involved in the maintenance of installations: a 5th category communication monter - 1 person, 4th discharge - 1 person.

Installation requirements for equipment.

When installing and operating installations, guided by the requirements laid down in the technical documentation of manufacturers of manufacturers of this equipment, GOST 12.1.019, GOST 12.3.046, GOST 12.2.005.

Environmental protection.

permissible medical norms. Designed equipment does not highlight harmful substances into the environment.

Labor protection and safety.

We need to lead to past briefings. Compliance with safety regulations is a condition for safe operation during installation of installations. Violation of safety regulations can accidentally. Safety instructions are allowed to maintain the installation. The passage is noted in the journal.

All electrical installation, assembly and repairs should be made only when the voltage and compliance with the "maintenance rules of electrical installations of consumers" and "safety regulations during the operation of electrical installations of consumers of the State Energy Industry". All work is done only by a good tool, it is prohibited to use wrench with elongated handles, the instruments handles must be made of insulating material. Installation and commissioning should be performed in accordance with the RD 78.145-93.

Ministry of Internal Affairs
RUSSIAN FEDERATION

State Fire Services

Fire safety standards

Gas fire extinguishing automatic installation

Standards and rules of design and application

NPB 22-96

Moscow 1997.

Developed by the All-Russian Research Institute of Fire Defense (VNIIPO) of the Ministry of Internal Affairs of Russia. Made and prepared for approval by the regulatory and technical department of the Main Directorate of the State Fire Service (GUGPS) of the Ministry of Internal Affairs of Russia. Approved by the chief state inspector of the Russian Federation for Fire Supervision. Coordinated with the Ministry of Travel of Russia (letter No. 13-691 dated December 19, 1996). The order of the State Unitary Enterprise of the Ministry of Internal Affairs of Russia No. 62 is enacted by the Order of the State Unitary Enterprise of the Ministry of Internal Affairs No. 62. Instead SNiP 2.04.09-84 in a part relating to automatic gas fire extinguishing settings (Section 3). Date of introduction on 03/01/1997

Norms of the State Fire Service of the Ministry of Internal Affairs of Russia

Gas fire extinguishing installations automatic.

Standards and rules of design and application

Automatic Gas Fire Extinguishing Installations.

Standards and Rules of Desing and Used

Date of introduction 01.03.1997

1 AREA OF USE

These norms apply to the design and use of gas fire extinguishing installations automatic (hereinafter referred to as AUGP). These norms do not determine the scope and do not apply to AUGP for buildings and structures designed by special vehicle standards. The use of augps, depending on the functional purpose of buildings and structures, the degree of fire resistance, the categories of explosion hazardos and other indicators are determined by the relevant current regulatory documents approved in the prescribed manner. When designing, the requirements of other federal regulatory documents in the field of fire safety should be design.

2. Regulatory references

In these standards, references to the following documents are used: GOST 12.3.046-91 Fire extinguishing installation automatic. General technical requirements. GOST 12.2.047-86 fire equipment. Terms and Definitions. GOST 12.1.033-81 Fire safety. Terms and Definitions. GOST 12.4.009-83 Fire equipment to protect objects. Main types. Accommodation and maintenance. GOST 27331-87 Fire equipment. Classification of fires. GOST 27990-88 Security, fire and fire alarm means. General technical requirements. GOST 14202-69 Pipelines of industrial enterprises. Identification color, warning signs and marking panels. GOST 15150-94 Machines, appliances and other technical products. Versions for different climatic regions. Categories, conditions of climatic factors of the external environment. GOST 28130 Firemanship. Fire extinguishers, fire extinguishing and fire alarm installation. Conditions conditional graphic. GOST 9.032-74 Paint and varnish coatings. Groups, technical requirements and designations. GOST 12.1.004-90 Organization of learning safety of labor. General. GOST 12.1.005-88 General sanitary and hygienic requirements for the air of the working area. GOST 12.1.019-79 Electrical safety. General requirements and nomenclature of protection types. GOST 12.2.003-91 SSBT. Production equipment. General security requirements. GOST 12.4.026-76 color signal and safety signs. Snip 2.04.09.84 Fire automation of buildings and structures. SNiP 2.04.05.92 Heating, ventilation and air conditioning. SNiP 3.05.05.84 Technological equipment and technological pipelines. Snip 11-01-95 Instructions on the procedure for developing, coordination, approval and composition of project documentation for the construction of enterprises, buildings and structures. Snip 23.05-95 Natural and artificial lighting. NPB 105-95 norms of the State Fire Service of the Ministry of Internal Affairs of Russia. Determination of categories of premises and buildings in the explosion and fire safety. NPB 51-96 Gas fire extinguishes. General technical requirements of fire safety and test methods. NPB 54-96 gas fire extinguishing automatic installation. Modules and batteries. General technical requirements. Test methods. Pue-85 rules of the device of electrical installations. - M.: Energoatomizdat, 1985. - 640 p.

3. Definitions

These norms apply the following terms with appropriate definitions and abbreviations.

		Definition	Document on the basis of which the definition is given
	Automatic installation of gas fire extinguishing (AUGP)	A combination of stationary fire extinguishing tools to extinguish fire foci due to the automatic release of the gas fire extinguishing composition
			NPB 51-96
	Centralized automatic gas fire extinguishing installation	AUGP containing batteries (modules) with states placed in fire extinguishing station, and intended for protection of two or more rooms
	Modular Automatic Installation of Gas Faution	Augp containing one or more modules with states placed directly in the protective room or next to it
	Gas fire extinguishing battery		NPB 54-96
	Gas fire extinguishing module		NPB 54-96
	Gas fire extinguishing composition (state)		NPB 51-96
	Noad	Device for the release and distribution of state in the protective room
	Inertia augmp	From the moment of the formation of the signal to the Start of AGUs before the expiration of the state from the nozzle to the protected room without taking into account the delay time
	Duration (time) of the submission of state t under, with	Time from the beginning of the expiration of the state from the nozzle until the release of the settlement mass of the state required to extinguish the fire in the protective room
	Regulatory volumetric fire extinguishing concentration of CH,% OB.	The product of the minimum bulk fire extinguishing concentration of the state on the security factor is equal to 1.2
	Regulatory mass fire extinguishing concentration Q n, kg × m -3	The product of the regulatory volume concentration of the state on the density of the state in the gas phase at a temperature of 20 ° C and a pressure of 0.1 MPa
	The parameter of the accuracy of the room D \u003d S F H / V P, M -1	The value that characterizes the leakage of the protected premises and is the ratio of the total area of \u200b\u200bconstantly open openings to the volume of protected premises
	Degree of leshes,%	The attitude of the area of \u200b\u200bconstantly open openings to the area of \u200b\u200benclosing structures
	Maximum excess pressure indoor R M, MPa	The maximum pressure value in the protected room when issuing the estimated amount of state
	Reserve Gos.		GOST 12.3.046-91
	Stock		GOST 12.3.046-91
	Maximum jet size	The distance from the nozzle to section, where the speed of the gas-air mixture is at least 1.0 m / s
	Local, Start (inclusion)		NPB 54-96

4. General requirements

4.1. Equipment of buildings, structures and premises AUGP should be performed in accordance with the project documentation developed and approved according to SNiP 11-01-95. 4.2. AUGP based on gas fire extinguishing compositions are used to eliminate fires A, B, C according to GOST 27331 and electrical equipment (electrical installations with voltage not higher than those specified in TD on the used states), with a leak parameter of not more than 0.07 M -1 and the degree of non-negotiation is not more than 2.5%. 4.3. AUGP on the basis of state should not be used to extinguish fires: - fibrous, bulk, porous and other combustible materials, inclined to self-burning and (or) indices inside the volume of substance (wood sawdust, cotton, herbal flour, etc.); - chemicals and their mixtures, polymeric materials, prone to degeneration and burning without air access; - hydrides of metals and pyrophoric substances; - Metal powders (sodium, potassium, magnesium, titanium, etc.).

5. Design augmp

5.1. General provisions and requirements

5.1.1. Design, installation and operation of AGUs should be made in accordance with the requirements of these norms, other existing regulatory documents in terms of gas fire extinguishing installations, and taking into account the technical documentation for ELGP elements. 5.1.2. AUGP includes: - modules (batteries) for storing and supplying a gas extinguishing composition; - switchgear; - trunk and distribution pipelines with the necessary fittings; - nozzles for the release and distribution of the state in the protected amount; - fire detectors, technological sensors, electrocontact pressure gauges, etc.; - devices and devices of control and control of auga; - devices forming command impulses of disconnecting ventilation systems, air conditioning, air heating and technological equipment in a protective room; - devices forming and outstanding command impulses to close fireproof valves, valve valves of ventilation boxes, etc.; - devices for signaling about the position of doors in the protective room; - Sound and light alarm devices and alerts on the operation of the installation and starting gas; - Fire alarm loops, power supply chains, control and control of augu. 5.1.3. Equipment of equipment included in AUGP is determined by the project and must comply with the requirements of GOST 12.3.046, NPB 54-96, Pue-85 and other existing regulatory documents. 5.1.4. The initial data for calculating and designing augub are: - geometric size of the room (length, width and height of enclosing structures); - the design of overlaps and the location of engineering communications; - the area of \u200b\u200bconstantly open openings in enclosing structures; - extremely allowable pressure in the protected room (from the strength of building structures or placed in the equipment); - temperature range, pressure and humidity in the protected room and indoors in which the composite parts of augps are placed; - List and indicators of the fire hazard of substances and materials located in the room, and the corresponding fire class according to GOST 27331; - type, magnitude and distribution scheme of the collar load; - regulatory volume extinguishing concentration of state; - the presence and characteristics of ventilation systems, air conditioning, air heating; - Characteristics and placement of technological equipment; - category of premises on the NPB 105-95 and the classes of the Pue-85 zones; - The presence of people and ways of their evacuation. 5.1.5. The calculation of augu includes: - determination of the estimated mass of the state required to extinguish the fire; - determination of the duration of the submission of state; - determination of the diameter of the installation pipelines, type and number of nozzles; - determination of maximum overpressure when submitting state; - determination of the required reserve of state and batteries (modules) for centralized installations or stock of state and modules for modular installations; - Determining the type and necessary number of fire detectors or sprinklers of the motivating system. Use. The method of calculating the diameter of pipelines and the number of nozzles for installing low pressure with carbon dioxide is given in the recommended application 4. To install high pressure with carbon dioxide and other gases, the calculation is made according to the methods agreed in the prescribed manner. 5.1.6. AUGP should provide a submission to a protected room at least the estimated mass of the state, intended for extinguishing a fire, in the time specified in paragraph 2 of the mandatory Annex 1. 5.1.7. AUGP should provide a delay in the issue of the state for the time required to evacuate people after submitting light and sound notification, stopping the ventilation equipment, the closure of air dampers, fireproof valves, etc., but not less than 10 s. The required time of evacuation is determined according to GOST 12.1.004. If the necessary evacuation time does not exceed 30 s, and the stopping time of the ventilation equipment, the closure of air dampers, fire-stop valves, etc. Exceeds 30 s, then the mass of the state should be calculated from the condition available at the time of the issue of ventilation and (or) leakage. 5.1.8. Equipment and length of pipelines It is necessary to choose from the condition that the inertia of the work of AGUs should not exceed 15 s. 5.1.9. AUGP distribution pipelines system, as a rule, should be symmetrical. 5.1.10. Pipelines AUGP in fire hazardous areas should be made of metal pipes. To connect modules with a collector or main pipeline, high pressure sleeves are allowed. The conditional passage of prompting pipelines with sprinklers should be taken equal to 15 mm. 5.1.11. The connection of pipelines in fire extinguishing installations should, as a rule, perform on welding or threaded connections. 5.1.12. Pipelines and their compounds in AUGP should provide strength at a pressure equal to 1.25 p slave, and tightness at a pressure equal to R slave. 5.1.13. According to the method of storing the gas extinguishing composition, augps are divided into centralized and modular. 5.1.14. Equipment AUGP with centralized storage States should be placed in fire extinguishing stations. The premises of fire extinguishing stations must be separated from other premises with 1-th-type firewings and overlap of the 3rd type. Premises of fire extinguishing stations, as a rule, it is necessary to place in the basement or on the first floor of buildings. The fire extinguishing station is allowed above the first floor, while the lifting and transport devices of buildings, structures should provide the possibility of delivering equipment to the place of installation and carrying out operational work. The output from the station should be provided to the outside, on a staircase, having a way out, to the lobby or in the corridor, provided that the distance from the output from the station to the staircase does not exceed 25 m and there are no exits in the room of categories a, b and In, with the exception of premises equipped with automatic fire extinguishing installations. Use. The isothermal container for storing the state is allowed to install outdoors with a canopy device to protect against precipitation and solar radiation with a mesh fencing around the perimeter of the site. 5.1.15. Premises of fire extinguishing stations must be a height of at least 2.5 m for installations with cylinders. The minimum height of the room using isothermal capacity is determined by the height of the capacity itself, taking into account the provision of the distance from it to the ceiling at least 1 m. In the rooms there should be a temperature from 5 to 35 ° C, the relative humidity of air no more than 80% at 25 ° C, illumination - At least 100 LCs with luminescent lamps or at least 75 LCs under incandescent lamps. Emergency lighting must comply with SNiP requirements 23.05.07-85. Station premises must be equipped with a supply and exhaust ventilation with an equally twice air exchange for 1 hour. The station must be equipped with a telephone connection with the room attendant, leading round the clock duty. At the entrance to the station station should be installed the light scoreboard "fire extinguishing station". 5.1.16. Equipment of modular gas fire extinguishing installations can be located both in a sanitary room, and beyond, in close proximity to it. 5.1.17. The placement of local launch devices of modules, batteries and distribution devices should be at a height of not more than 1.7 m from the floor. 5.1.18. Placing equipment of centralized and modular augps should provide its maintenance. 5.1.19. The choice of the type of nozzles is determined by their operational characteristics for a particular state specified in the technical documentation for the nozzle. 5.1.20. Nozzles should be placed in the protected room in such a way as to ensure the concentration of state throughout the size of the room not lower than the normative. 5.1.21. The difference in costs between two extreme nozzles on one distribution pipe should not exceed 20%. 5.1.22. In AUGP, devices should be provided to eliminate the possibility of clogging by nozzles when issuing the state. 5.1.23. In one room, the nozzles of only one type should be applied. 5.1.24. When the nozzles are locating in places of their possible mechanical damage, they must be protected. 5.1.25. The color of the components of the settings, including pipelines, must correspond to GOST 12.4.026 and sectoral standards. Pipelines of installations and modules located in the premises to which special requirements for aesthetics may be painted according to these requirements. 5.1.26. Protective paint should be painted all external surfaces of pipelines in accordance with GOST 9.032 and GOST 14202. 5.1.27. Equipment, products and materials used in AUGP should have documents certifying their quality and comply with the conditions of application and project specification. 5.1.28. AUGP centralized type In addition to the calculated must have a 100% reserve of gas extinguishing composition. Batteries (modules) for storing the main and reserve states must have cylinders of the same size and be filled with the same amount of gas extinguishing composition. 5.1.29. AUGP modular type, having a single size gas fire extinguishing modules on the object, must have a stock of the state at the rate of 100% replacement in the installation that protects the room of the greatest volume. If there are several modular installations with modules of different sizes, the stock of the State should ensure the restoration of the performance of the installations that protect the largest volume of the modules of each size. The stock of the state should be stored in the object's warehouse. 5.1.30. If necessary, AUGP tests, the state of the State for these tests is made from the condition for the protection of the smallest room, if there are no other requirements. 5.1.31. Equipment used for AUGP must have a service life for at least 10 years.

5.2. General requirements for electrical control systems, control, alarm and power supply AUGP

5.2.1. AGU electrical control means must provide: - automatic installation start; - disabling and restoring the automatic start mode; - automatic power switching from the main source to the backup when the voltage is turned off at the main source, followed by switching to the main power source when the voltage is restored; - remote installation launch; - disabling sound alarm; - Delay of the issue of the state for the time required to evacuate people from the room, turn off ventilation, etc., but not less than 10 s; - the formation of a command impulse on the outputs from electrical equipment for use in the control systems of technological and electrical equipment of the object, fire alert systems, smoke removal, air support, as well as to disable ventilation, air conditioning, air heating; - Automatic or manual disabling sound and light alarm for fire, about triggering and malfunctioning. Installing: 1. The local start should be excluded or blocked in modular installations in which the gas fire extinguishing modules are placed inside the protected area. For centralized installations and modular installations with modules placed outside the protected room, modules (batteries) must have a local start.3. If there is a closed system serving only this room, it is allowed not to turn off the ventilation, air conditioning, air heating after submitting states in it. 5.2.2. The formation of a command pulse of automatic starting of the gas fire extinguishing installation must be carried out from two automatic fire detectors in one or different loops, from two electrocontact pressure gauges, two pressure alarms, two technological sensors or other devices. 5.2.3. Remote launch devices should be placed in evacuation outputs from the outside of the protected room or the room to which the protected channel, underground, the space behind the suspended ceiling. It is allowed to place the remote starting devices in the room of duty staff at the obligatory indication of the AUGP mode. 5.2.4. Remote installation devices settings must be protected in accordance with GOST 12.4.009. 5.2.5. AUGP, protecting rooms in which people are present should have an automatic start-up devices in accordance with the requirements of GOST 12.4.009. 5.2.6. When you open the doors to the protected room, AGUs should provide a locking of an automatic start of installation with an indication of a blocked state according to p. 5.2.15. 5.2.7. AUGP automatic start mode recovery devices should be placed in the indoor personnel room. If you have protection against unauthorized access to the automatic start mode of AGU, these devices can be placed in the inputs to the protected rooms. 5.2.8. Equipment AUGP should provide automatic control: - the integrity of the fire alarm loops along their entire length; - integrity of electrical starting chains (for a break); - air pressure in the motivation network, starting cylinders; - light and sound alarm (automatically or on call). 5.2.9. With several sending directions of the State Battery (Modules) and distribution devices installed in fire extinguishing stations, there must be plates with an indication of the protected room (directions). 5.2.10. In rooms protected by the installations of bulk gas fire extinguishing, and before the inputs there should be alarm in accordance with GOST 12.4.009. Similar alarm, adjacent rooms that have exit only through the protected rooms, as well as rooms having protected channels, underground and suspended ceiling spaces are supplied. At the same time, the light scoreboard "Gas - Leave!", "Gas - not to enter" and the device of warning sound alarm is set by common to the protected room and protected spaces (channels, underground, behind the suspended ceiling) of this room, and when protected only the specified spaces - common For these spaces. 5.2.11. Before entering the protected room or the room to which the protected channel or underground, the space behind the suspended ceiling, it is necessary to provide a light indication of the AUGP mode. 5.2.12. In the premises of gas fire extinguishing stations there must be light alarm, fixing: - the presence of voltage at the inputs of working and backup power sources; - opening of electric chains of pyrcolons or electromagnets; - a drop in pressure in motivating pipelines by 0.05 MPa and launched cylinders by 0.2 MPa with decoding in directions; - AGUP response with decoding in directions. 5.2.13. In the room of a fire station or a different room with personnel leading round-the-clock duty, light and sound alarm system should be provided: - On the occurrence of a fire with decoding in directions; - about AGUP response, with decoding in the directions and arrival of the state in the protected premises; - on the disappearance of the voltage of the main power source; - About malfunction augmp with decoding in directions. 5.2.14. In augps, the sound signals about the fire and the operation of the installation should differ in a tonality of malfunction signals. 5.2.15. In a room with personnel leading round-the-clock duty, only light alarm must also be provided: - on the mode of operation augps; - about turning off the sound alarm on the fire; - about disconnecting sound alarm on a malfunction; - On the presence of voltage on the main and backup power sources. 5.2.16. AGUs should refer to electricity consumers 1 of the power supply category in accordance with Pue-85. 5.2.17. In the absence of backup input, it is allowed to use autonomous power sources that ensure the efficiency of augps at least 24 hours in the standby mode and for at least 30 minutes in a fire or malfunction mode. 5.2.18. The protection of electrical circuits must be performed in accordance with Pue-85. The heat and maximum protection device in the control circuits is not allowed, the disconnection of which can lead to the failure of the state in the protected room. 5.2.19. Grounding and reassembling equipment AGUs should be performed according to Pue-85 and the requirements of technical documentation for equipment. 5.2.20. The selection of wires and cables, as well as the methods of their gasket, should be performed in accordance with the requirements of Pue-85, SNiP 3.05.06-85, SNIP 2.04.09-84 and according to the technical characteristics of cable-conductor products. 5.2.21. The placement of fire detectors inside the protected premises should be made in accordance with the requirements of SNiP 2.04.09-84 or another regulatory document replacing it. 5.2.22. The premises of the fire station or other premises with staff leading around the clock duty must comply with the requirements of section 4 SNiP 2.04.09-84.

5.3. Requirements for protected premises

5.3.1. Rooms equipped with augps should be equipped with pointers in accordance with PP. 5.2.11 and 5.2.12. 5.3.2. Volumes, area, combustible load, the presence and size of open opening in protected rooms must comply with the project and, when commissioning, augp should be monitored. 5.3.3. The leakage of rooms equipped with augps should not exceed the values \u200b\u200bspecified in clause 4.2. Measures should be taken to eliminate technologically unfounded openings, door closers and other premises are established, if necessary, should have devices for pressure relief. 5.3.4. In the systems of ducts of general ventilation, air heating and air conditioning of protected areas, air valves or fireproof valves should be provided. 5.3.5. To remove the state after the end of the work, augps it is necessary to use consumer ventilation of buildings, structures and premises. It is allowed for this purpose to provide mobile ventilation settings.

5.4. Security and Environmental Requirements

5.4.1. Design, installation, commissioning, acceptance and operation of AGUP should be carried out in accordance with the requirements of the safety measures set forth in: - "Rules of device and safe operation of pressure vessels"; - "Rules for the technical operation of consumer electrical installations"; - "Regulations for safety in the operation of electrical installations of consumers of the State Energy Engineering"; - "Unified security rules for explosive work (when used in the installations of pyricultons"); - GOST 12.1.019, GOST 12.3.046, GOST 12.2.003, GOST 12.2. 005, GOST 12.4.009, GOST 12.1.005, GOST 27990, GOST 28130, Pue-85, NPB 51-96, NPB 54-96; - these standards; - The current regulatory and technical documentation approved in the prescribed manner in terms of AUGP. 5.4.2. Local start-up devices must be fenced and seated, with the exception of local start-up devices installed in fire extinguishing station or fire posts. 5.4.3. Included in the protected premises after the release of the state and fire elimination until the end of the ventilation is permitted only in the insulating means of protecting the respiratory organs. 5.4.4. The entrance to the room without insulating means of protecting the respiratory organs is allowed only after removing the products of combustion and decomposition of the state to a safe value.

ATTACHMENT 1
Mandatory

Methods for calculating the parameters of augps when extinguishing in volume

1. The mass of gas fire extinguishing composition (mg), which should be stored in augu, is determined by the formula

M g \u003d mp + mb + m 6 × n, (1)

Where MR is the estimated mass of the state intended for extinguishing the fire in a volume in the absence of artificial air ventilation in the room, it is determined: for ozone-safe chladones and sixfluoride sulfur according to the formula

MR \u003d K 1 × V P × R 1 × (1 + K 2) × with n / (100 - s H) (2)

For carbon dioxide by formula

MR \u003d K 1 × V p × R 1 × (1 + K 2) × ln [100 / (100 - s H)], (3)

Where V p is the estimated volume of the protected room, m 3. The estimated room includes its internal geometric volume, including the volume of a closed ventilation system, air conditioning, air heating. The volume of equipment in the room is not deducted from it, with the exception of the size of the volume of solid (impermeable) construction non-government elements (columns, beams, foundations, etc.); To 1 - coefficient, taking into account the leakage of the gas extinguishing composition of cylinders through looseness in the shut-off reinforcement; To 2 - coefficient, taking into account the losses of the gas fire extinguishing composition through the leisure of the room; R 1 is the density of the gas fire extinguishing composition, taking into account the height of the protected object relative to the sea level, kg × M -3 is determined by the formula

r 1 \u003d R 0 × T 0 / t M × K 3, (4)

Where R 0 is the density of the steam of the gas fire extinguishing composition at a temperature of T o \u003d 293 K (20 ° C) and atmospheric pressure 0,1013 MPa; TM is the minimum operational temperature in the protective room, K; C n - regulatory volume concentration of state,% of The values \u200b\u200bof the normative fire extinguishing concentrations of the state (s H) for various types of combustible materials are given in Appendix 2; To z is a correction coefficient that takes into account the height of the object relative to the sea level (see Table 2 of Annexes 4). The remainder of the state in the MR Pipelines, kg, is determined for AUGP, whose nozzle holes are located above the distribution pipelines.

M Tr \u003d V Tr × R state, (5)

Where V tr - the volume of Pipelines augps from the nearest nozzle to the final nozzle, m 3; R GOS is the density of the residue of the state at a pressure, which is available in the pipeline after the end of the estimation of the calculated mass of the gas extinguishing composition into the protected premises; M B × P is the product of the remainder of the state in the battery (module) (M b) augmp, which is accepted by TD on the product, kg, by the number (n) of batteries (modules) in the installation. In rooms in which, with normal operation, significant volume fluctuations (warehouses, storage, garages, etc.) are possible (warehouses, storage facilities, garages, etc.) or temperatures, it is necessary to use the maximum possible volume as a calculated volume, taking into account the minimum temperature of the room. Use. The regulatory bulk fire extinguishing concentration with H for combustible materials, not given in Appendix 2, is equal to the minimum volumetric fire extinguishing concentration multiplied by the security coefficient of 1.2. The minimum volumetric fire extinguishing concentration is determined by the method described in the NPB 51-96. 1.1. The coefficients of equation (1) are defined as follows. 1.1.1. The coefficient that takes into account the leakage of the gas fire extinguishing composition from the vessels through looseness in the shut-off reinforcement and the uneven distribution of the gas fire extinguishing composition in terms of the amount of protected premises:

1.1.2. The coefficient, taking into account the loss of gas fire extinguishing composition through the leisure of the room:

K 2 \u003d 1.5 × F (CH, G) × D × T under ×, (6)

Where F (CH, G) is a functional coefficient depending on the normative volume concentration with H and the relationship of molecular weight of air and gas fire extinguishing composition; g \u003d t v / t of the state, m 0.5 × s -1, - the ratio of the ratio of molecular weight of air and state; d \u003d s f h / v p - the parameter of the accuracy of the room, M -1; S F H is the total area of \u200b\u200bleakage, m 2; H - the height of the room, the m. The coefficient f (CH, G) is determined by the formula

F (sn, y) \u003d (7)

Where \u003d 0.01 × with n / g - the relative mass concentration of state. The numerical values \u200b\u200bof the F (CH, G) coefficient are given in the reference application 5. 2. The release time to the protected room of the calculated mass of the state, intended for extinguishing a fire, should not exceed the value equal to: t under £ 10 s for modular augps using as State chladons and sixfluoride sulfur; t under £ 15 s for centralized augps, applying chladones and sixfluoride sulfur as a state; T under £ 60 C for augps applying carbon dioxide as a state. 3. The mass of a gas extinguishing composition designed to extend the fire in the room during working forced ventilation: for refrigeration and hexfestorous sulfur

Mg \u003d to 1 × r 1 × (v p + q × t under) × [C H / (100 - C H)] (8)

For carbon dioxide

Mg \u003d to 1 × r 1 × (q × t under + v p) × ln [100/100 - C h)] (9)

Where Q is the volume flow of air removed from the ventilation from the room, m 3 × s -1. 4. Maximum overpressure when applying gas compositions with arched room:

< Мг /(t ПОД × j × ) (10)

Where J \u003d 42 kg × M -2 × s -1 × (% vol.) -0.5 is determined by the formula:

RT \u003d [C H / (100 - C H)] × RA or RT \u003d RA + D RT, (11)

And with the leakage of the room:

³ mg / (t under × j ×) (12)

Determined by the formula

(13)

5. The release time of the state depends on the pressure in the cylinder, the type of state, geometric size of pipelines and nozzles. The release time is determined during the hydraulic setting of the installation and should not exceed the values \u200b\u200bspecified in paragraph 2. Annex 1.

Appendix 2.
Mandatory

Table 1

Regulatory volumetric fire extinguishing concentration of chladone 125 (C 2 F 5 H) at T \u003d 20 ° C and p \u003d 0.1 MPa

	GOST, TU OST
		volumetric,% vol.	Mass, kg × m -3
Ethanol.	GOST 18300-72.
N-heptane	GOST 25823-83
Vacuum oil
Cotton fabric	OST 84-73
PMMA
Top Oblastics
Textolit B.	GOST 2910-67
Rubber IRP-1118	TU 38-005924-73
P-56p fabric	TU 17-04-9-78
	OST 81-92-74

table 2

Regulatory bulk fire extinguishing concentration of sixfluoride sulfur (SP 6) at T \u003d 20 ° C and p \u003d 0.1 MPa

Name of fuel material	GOST, TU OST	Regulatory fire extinguishing concentration
		volumetric,% vol.	mass, kg × m -3
N-heptane
Acetone
Transformer oil
PMMA	GOST 18300-72.
Ethanol.	TU 38-005924-73
Rubber IRP-1118	OST 84-73
Cotton fabric	GOST 2910-67
Textolit B.	OST 81-92-74
Cellulose (paper, wood)

Table 3.

Regulatory bulk fire extinguishing concentration of carbon dioxide (CO 2) at T \u003d 20 ° C and p \u003d 0.1 MPa

Name of fuel material	GOST, TU OST	Regulatory fire extinguishing concentration
		volumetric,% vol.	Mass, kg × m -3
N-heptane
Ethanol.	GOST 18300-72.
Acetone
Toluene
Kerosene
PMMA
Rubber IRP-1118	TU 38-005924-73
Cotton fabric	OST 84-73
Textolit B.	GOST 2910-67
Cellulose (paper, wood)	OST 81-92-74

Table 4.

Regulatory bulk fire extinguishing concentration of chladone 318c (C 4 F 8 C) at T \u003d 20 ° C and p \u003d 0.1 MPa

Name of fuel material	GOST, TU OST	Regulatory fire extinguishing concentration
		volumetric,% vol.	mass, kg × m -3
N-heptane	GOST 25823-83
Ethanol.
Acetone
Kerosene
Toluene
PMMA
Rubber IRP-1118
Cellulose (paper, wood)
Getinax
Polystyrene foam

Appendix 3.
Mandatory

General requirements for installing local fire extinguishing

1. The installations of local fire extinguishing in volume are used to extinguish the fire of individual aggregates or equipment in cases where the use of volumetric fire extinguishing installations is technically impossible or economically inexpedient. 2. The calculated volume of local fire extinguishing is determined by the product of the base of the protected aggregate or equipment on their height. In this case, all calculated dimensions (length, width and height) of the unit or equipment should be increased by 1 m. 3. With local fire extinguishing, carbon dioxide and chladones should be used. 4. The regulatory mass extinguishing concentration with local carbon dioxide is 6 kg / m 3. 5. The time of supplying the state at local cargo should not exceed 30 s.

Methods for calculating the diameter of pipelines and the number of nozzles for setting low pressure with carbon dioxide

1. The average (during the feed) pressure in the isothermal capacity of P T, MPa is determined by the formula

r T \u003d 0.5 × (p 1 + p 2), (1)

Where p 1 is the pressure in the container when storing carbon dioxide, MPa; P 2 is the pressure in the tank at the end of the issue of the estimated amount of carbon dioxide, MPa, is determined by fig. one.

Fig. 1. Schedule to determine the pressure in isothermal capacity at the end of the issue of the calculated amount of carbon dioxide

2. The average consumption of carbon dioxide Q T, kg / s is determined by the formula

Q T \u003d T / T, (2)

Where T is the mass of the main reserve of carbon dioxide, kg; t - the flow of carbon dioxide, C, is accepted according to claim 2 of Annex 1. 3. The internal diameter of the main pipeline D I, M, is determined by the formula

d i \u003d 9.6 × 10 -3 × (k 4 -2 × q t × l 1) 0.19, (3)

Where K 4 is a multiplier, determined by table. one; L 1 - Length of the main pipeline for the project, m.

Table 1

4. The average pressure in the main pipeline at the input point in its protected room

r h (p 4) \u003d 2 + 0.568 × 1P, (4)

Where L 2 is the equivalent length of pipelines from isothermal container to the point in which the pressure is determined, M:

l 2 \u003d L 1 + 69 × d i 1.25 × e 1, (5)

Where E 1 is the sum of the resistance coefficients of the shaped parts of pipelines. 5. Average pressure

p t \u003d 0.5 × (p s + p 4), (6)

Where p s is the pressure at the point of entering the main pipeline into the protected room, MPa; P 4 - Pressure at the end of the main pipeline, MPa. 6. The average consumption through the nozzles Q T, kg / s is determined by the formula

Q ¢ T \u003d 4.1 × 10 -3 × m × k 5 × a 3 , (7)

Where m is the consumption coefficient through nozzles; and 3 - the area of \u200b\u200bthe outlet of the nozzle, m; K 5 - coefficient determined by the formula

k 5 \u003d 0.93 + 0.3 / (1.025 - 0.5 × p ¢ T). (eight)

7. The number of nozzles is determined by the formula

x 1 \u003d Q t / q ¢ t.

8. The internal diameter of the distribution pipe (D ¢ I, M is calculated from the condition

d ¢ i ³ 1.4 × d ö x 1, (9)

Where D is the diameter of the outlet nozzle. Forward. The relative mass of carbon dioxide T 4 is determined by the formula T 4 \u003d (T 5 - T) / T 5, where T 5 is the initial mass of carbon dioxide, kg.

Appendix 5.
Reference

Table 1

The main thermal and thermodynamic properties of chladone 125 (C 2 F 5 H), sixfluoride sulfur (SF 6), carbon dioxide (CO 2) and chladone 318c (C 4 F 8 C)

Name	unit of measurement
Molecular mass
Vapor density at p \u003d 1 atm and t \u003d 20 ° С
Boiling point at 0.1 MPa
Melting temperature
Critical temperature
Critical pressure
Liquid density when r and t kr
Specific heat capacity	kJ × kg -1 × ° C -1
	kcal × kg -1 × ° C -1
Specific heat capacity at p \u003d 1 atm and t \u003d 25 ° C	kJ × kg -1 × ° C -1
	kcal × kg -1 × ° C -1
Hidden heat of vaporization	cJ × kg
	kcal × kg
The thermal conductivity coefficient of Gaza	W × M -1 × ° С -1
	kcal × M -1 × s -1 × ° С -1
Dynamic viscosity of Gaza	kg × m -1 × s -1
Relative dielectric constant at p \u003d 1 atm and t \u003d 25 ° C	e × (e BD) -1
Partial pressure of vapors at t \u003d 20 ° C
Punching voltage of vapors of state regarding gaseous nitrogen	In × (in n2) -1

table 2

Correction coefficient taking into account the height of the location of the protection object relative to the sea level

Height, M.	Correction coefficient to 3

Table 3.

The values \u200b\u200bof the functional coefficient f (CH, G) for chladone 318c (C 4 F 8 C)

		Volumetric concentration of chladone 318cs,% vol.	Functional coefficient F (CH, G)

Table 4.

The value of the functional coefficient F (CH, G) for chladone 125 (C 2 F 5 H)

Volumetric concentration of chladone 125 CH,% vol.		Volumetric concentration of chladone 125 CH,% vol.	Functional coefficient (CH, G)

Table 5.

Values \u200b\u200bof the functional coefficient F (CH, G) for carbon dioxide (CO 2)

	Functional coefficient (CH, G)	Volumetric concentration of carbon dioxide (CO 2) CH,% OB.	Functional coefficient (CH, G)

Table 6.

Values \u200b\u200bof the functional coefficient F (CH, G) for sulfur hexifority (SF 6)

	Functional coefficient F (CH, G)	The volume concentration of the sixfluoride sulfur (SF 6) CH,% OB.	Functional coefficient F (CH, G)

1 area of \u200b\u200buse. 1 2. Regulatory references. 1 3. Definitions. 2 4. General requirements. 3 5. Design augmp .. 3 5.1. General provisions and requirements. 3 5.2. General requirements for electrical control systems, control, alarm and power supply augps .. 6 5.3. Requirements for protected premises .. 8 5.4. Security and Environmental Protection Requirements .. 8 Attachment 1 Methods for calculating the parameters of augps when extinguishing in bulk method .. 9 Appendix 2. Regulatory volumetric fire extinguishing concentrations. eleven Appendix 3. General requirements for installing local fire extinguishing. 12 Appendix 4. Methods for calculating the diameter of pipelines and the number of nozzles for setting low pressure with carbon dioxide. 12 Appendix 5. The main thermal and thermodynamic properties of chladone 125, sixfluoride sulfur, carbon dioxide and chladone 318c .. 13

Gas fire extinguishing is the most effective and in many cases a non-alternative way to automatically extinguish a fire (fire). Gas fire extinguishes in fire extinguishing systems are applied for many years - in Europe, it began to be widely used in the 1950s. Gas has many advantages - this is most often environmentally friendly substance that effectively copes with fire safety and does not harm property and interiors.

Modern gas fire extinguishing systems are truly unique. If a few years ago we knew only about several varieties, today new generations of gas fire extinguishing substances used in automatic fire extinguishing systems make it possible to talk about themselves as absolutely safe, environmentally friendly products that are highly awake from the atmosphere of products.

The scope of gas fire extinguishing systems - they are used everywhere, where the use of water, powder or foam is undesirable or impossible - on objects where many electronic computers (server, computing centers, hardware), where even short-term power outage can lead to Extremely serious consequences (for example, in airplanes and on maritime courts), as well as in rooms where securities or works of art are stored - archives, libraries, museums, art galleries.

Gas fire extinguishing design cost

List of design work

Selection of a specialist

The use of the latest gas fire extinguishing systems requires a number of preparatory and design work, which largely depends on the impeccable work of the entire automatic fire extinguishing system as a whole.

The design of gas fire extinguishing should be carried out by specialists, since all calculations are manufactured in accordance with the rules established by law. The design of gas fire extinguishing systems is based on the analysis of several parameters: the number of rooms, their size, as well as the presence of suspended ceilings and partitions, the area of \u200b\u200bdoor openings, temperature at the facility, indoor air humidity, the presence and mode of personnel operations are taken into account.

Based on this data, the required number of modules / gas tanks is calculated, the diameter of the pipelines, by which the gas will be supplied to the heart rate, as well as the amount and size of the holes in the nozzles spraying gas.

Choosing equipment

Advanced technologies and improved developments of the company 3M allowed to create an absolutely safe, environmentally friendly product of a new generation - Gas substance NOVEC 1230. As part of components that do not cause corrosion with remarkable dielectric properties.

The gas substance is not absorbed in the surface that is sensitive to humidity quickly evaporates, as a result, no damage is not made for valuable property, for example, when steaming the fire, archival materials, electrical equipment, computers, and art objects are not damaged by the NOVEC 1230 gas substance used For fire extinguishing.

The obligatory requirement of existing norms is the calculations of the need to organize the openings for resetting overpressure, the integration of augpt in the building, the organization of gas expenditures from the protected premises after extinguishing the fire. All these complex calculations are manufactured according to the approved methods and require special engineering knowledge.

The design of gas fire extinguishing systems is a rather complex intellectual process, the result of which the workable system becomes reliably, and effectively protect the object from fire. This article discusses and analyzedproblems arising from the design of automaticgas fire extinguishing installations. Estimated maybedata data systems and their effectiveness, as well as relativespossible options for optimal constructionautomatic gas fire extinguishing systems. Analysisthese systems are made in full compliance withcP Rules 5.13130.2009 and other rulessNiP, NPB, GOST and federal laws and ordersRF on automatic fire extinguishing installations.

Chief Engineer project LLC "ASPT SpecialAvtomatika"

V.P. Sokolov

To date, one of the most effective means of extinguishing fires, in the premises of the AUPT automatic fire extinguishing facilities in accordance with the requirements of the SP 5.13130.2009, the application "A" are the installations of automatic gas fire extinguishing. The type of automatic extinguishing method, the extinguishing method, the type of fire extinguishing agents, the type of equipment of fire automation installations is determined by the designer organization, depending on the technological, constructive and volume and planning features of protected buildings and premises, taking into account the requirements of this list (see paragraph A.3. ).

The use of systems where the fire extinguishing agent during fire automatically or remotely in manual start-up mode is supplied to the protected room is especially justified when protecting expensive equipment, archival materials or values. Automatic fire extinguishing installations allow you to eliminate the ignition of solid, liquid and gaseous substances, as well as electrical equipment under voltage at an early stage. This extinguishing method may be volumetric - when creating a fire extinguishing concentration throughout the volume of the protected room or local - if the fire extinguishing concentration is created around the protected device (for example, a separate unit or a unit of technological equipment).

When choosing an optimal version of controlling automatic fire extinguishing installations and choosing a fire extinguishing agent, as a rule, guided by the standards, technical requirements, features and functionality of protected objects. Gas fire extinguishes with the correct selection practically do not damage the protected object in it with equipment with any industrial and technical purpose, as well as the health of the staff working in the protected premises with a permanent stay. The unique gas ability to penetrate the cracks into the most inaccessible places and effectively affect the focus of ignition gained the widespread distribution in the use of gas extinguishing substances in automatic gas fire extinguishing installations in all areas of human activity.

That is why automatic gas fire extinguishing installations are used to protect: data processing centers (data center), server, telephone bonds, archives, libraries, museum stoves, banks' cash repositories, etc.

Consider the varieties of fire extinguishing substances most commonly used in automatic gas fire extinguishing systems:

Cladon 125 (C 2 F 5 H) The regulatory bulk fire extinguishing concentration of n-heptane GOST 25823 is 9.8% of the volume (corporate name HFC-125);

Claudone 227EA (C3F7H) The regulatory bulk fire extinguishing concentration of n-heptane GOST 25823 is equal to - 7.2% of the volume (branded name FM-200);

Claudone 318C (C 4 F 8) The regulatory bulk fire extinguishing concentration of n-heptane GOST 25823 is - 7.8% of the volume (corporate name HFC-318C);

Cladon FC-5-1-12 (CF 3 CF 2 C (O) CF (CF 3) 2) Regulatory volumetric concentration of n-heptane GOST 25823 is equal to - 4.2% of the volume (NOVEC 1230 proprietary name);

Carbon dioxide (CO 2) The regulatory volumetric fire extinguishing concentration of n-heptane GOST 25823 is - 34.9% of volume (can be used without constant stay of people in the protective room).

We will not analyze the properties of gases and their principles of influence on the fire in the fire focus. Our task will be the practical use of these gases in automatic gas fire extinguishing installations, the ideology of constructing these systems in the design process, the issues of calculating the mass of the gas to ensure the regulatory concentration in the amount of protected room and determine the diameters of the supply and distribution pipe pipes, as well as the calculation of the exhaust area of \u200b\u200bthe nozzle .

In gas fire extinguishing projects when filling in the drawing stamp, on title sheets and in the explanatory note, we use the term automatic installation of gas fire extinguishing. In fact, this term is not entirely correct and correct will be the use of the term automated gas fire extinguishing.

Why is that! We look at the list of terms in the joint venture 5.13130.2009.

3. Terms and definitions.

3.1 Automatic Fire Extinguishing Installation Start: Starting installation from its technical means without human participation.

3.2 Automatic fire extinguishing installation (AUP): Installation of fire extinguishing, automatically triggered by exceeding the controlled factor (factors) of the fire of installed threshold values \u200b\u200bin the protected zone.

In the theory of automatic control and regulation there is a separation of terms Automatic control and automated control.

Automatic systems - This is a complex of software and technical means and devices working without human participation. The automatic system does not necessarily have a complex device complex, to manage engineering systems and technological processes. This can be one automatic device that performs the specified functions according to a predetermined program without person.

Automated systems - This is a complex of devices that transform information into signals and transmitting these signals to the distance via the communication channel for measurement, alarm and management without human participation or with its participation of no more than one side of the transmission. Automated systems This is a combination of two automatic and manual control systems (remote) control systems.

Consider the composition of automatic and automated systems for controlling active fire protection:

Funds for obtaining information information collection devices.

Means for transmitting information lines (Channels) communication.

Means for receiving, processing information and issuing control signals of the lower level local receptions electrotechnical devicesdevices and control and control stations.

Means for using information automatic regulators I.executive mechanisms and devices alerts of various purposes.

Means display and processing information, as well as automated top-level control - central control panel orautomated operator workplace.

Automatic installation of gas fire extinguishing augpt includes three launch modes:

• automatic (running from automatic fire detectors);
• remote (the launch is carried out from the manual fire detector located at the door to the protected room or the protection post);
• the local (from the mechanical device of the manual start-up located on the starting module "cylinder" with a fire extinguishing agent or next to the fire extinguishing module for liquid carbon dioxide MPJA structurally made in the form of isothermal capacity).

Remote and local start mode are performed only with human intervention. It means the correct decoding of augpt, will be the term « Automated gas fire extinguishing installation ».

Recently, the Customer in the coordination and approval of the project on gas fire extinguishing to work requires that the inertia of the fire extinguishing installation is indicated, and not just the estimated time delay of the outlet of the gas evacuation of the personnel of the premises.

3.34 Fire extinguishing installation inertia: Time from the moment the controlled factor of the fire threshold of the sensitive element of the fire detector, the sprinkler irrigator or the motivating device before the start of supplying the extinguishing agent in the protected zone.

Note - For fire extinguishing installations, which provide a time delay to the release of a fire extinguishing agent in order to safely evacuate people from a protected room and (or) to control technological equipment, this time is included in the inertia of the AUP.

8.7 Temporary characteristics (see SP 5.13130.2009).

8.7.1 Installation should provide a delay in the release of GOTV to the protected room with an automatic and remote start for the time required for evacuation from the room of people, disconnecting the ventilation (air conditioning, etc.), closing the flaps (fireproof valves, etc.), But not less than 10 seconds. From the moment of inclusion in the premises of devices for evacuation.

8.7.2 Installation should provide inertia (response time without taking into account the delay time of the GOTV) not more than 15 seconds.

The delay time of the release of the gas fire extinguishing agent (GOT) into the protected room is set by programming the algorithm for the operation of the station control gas fire exterior. The time required to evacuate people from the room is determined by calculating the special procedure. The time interval of delays to evacuate people from the protected room can be from 10 seconds. up to 1 min. and more. The time delay of the gas outlet depends on the dimensions of the protected premises, from the complexity of the flow of technological processes, the functional feature of the installed equipment and technical purposes, both separate rooms and industrial facilities.

The second part of the inertial delay in the installation of gas fire extinguishing over time is the product of the hydraulic calculation of the supply and distribution pipe with nozzles. The longer and harder the main pipeline to the nozzle, the greater the inertia of the installation of gas fire extinguishing. In fact, compared with the delay of time, which is necessary to evacuate people from the protected area, this value is not so big.

The inertia of the installation (the beginning of the gas expiration through the first nozzles after the opening of the shut-off valves) is MIN 0.14 seconds. and max. 1.2 sec. This result is obtained from the analysis of about a hundred hydraulic calculations of different complexity and with different compositions of gases, both chladones and carbon dioxide located in cylinders (modules).

Thus, the term "Inertia of gas fire extinguishing installation" It consists of two components:

Gas release delay time for safe evacuation of people from the room;

Time of technological inertiality of the installation itself when issuing GOTS

It is necessary to separately consider the inertia of the installation of gas fire extinguishing with carbon dioxide on the basis of the isothermal firefighter reservoir "Volcano" with different volumes of the vessel used. A structurally unified row form vessels with a capacity of 3; five; 10; sixteen; 25; 28; 30m3 on operating pressure 2,2mP and 3,3 mp. To configure the data of the vessels by shut-off and starting devices (s), depending on the volume, three types of shut-off valves are used with the diameters of the conditional passage of the outlet 100, 150 and 200mm. As an actuator in the shut-off device, a ball valve or disk shutter is used. As a drive, a pneumatic drive with a working pressure on the piston of 8-10 atmospheres is used.

Unlike modular installations, where the electrical start of the head lock-starting device is carried out almost instantly, even with the subsequent pneumatic launch of the remaining modules in the battery (see RIS-1), the disk shutter or ball valve open and close with a small time delay, which can be 1-3 seconds. Depending on the equipment manufactured by the manufacturer. In addition, the discovery and closure of this equipment ZPU in time due to the structural features of the shut-off valves is far from a linear dependence (see RIS-2).

The figure (RIS-1 and RIS-2) presents a graph on which one axis is the value of the average carbon dioxide flow, and the time value of the time. The area under the curve within the regulatory time determines the calculated amount of carbon dioxide.

Average carbon dioxide consumption Q M., kg / s, determined by the formula

where: m. - the calculated amount of carbon dioxide ("mg" on SP 5.13130.2009), kg;

t.- The regulatory time of supply of carbon dioxide, p.

with modular carbon dioxide.

Rice-1.

1-

t.o. - opening time of the shut-off and starting device (s).

t.x. – the end time of the outlet of the CO2 gas through the CPU.

Automated gas fire extinguishing installation

With carbon diquses based on isothermal capacity MPJU "Volcano".

Rice-2.

1- the curve that determines the consumption of carbon dioxide over time through the CPU.

The storage of the main and reserve reserve of carbon dioxide in isothermal containers can be carried out in two different separate tanks or in one. In the second case, there is a need to close the shut-off and starting device after the output of the main reserve from isothermal container during an emergency situation of fire extinguishing in a protective room. This process is shown in the figure as an example (see RIS-2).

Using isothermal capacity MPJU "Volcano" as a centralized fire extinguishing station into several directions, implies the use of a shut-off-starting device (s) with a function open-close function to cut off the desired (calculated) amount of fire extinguishing agent for each gas fire extinguishing direction.

The presence of a large distribution network of the gas fire extinguishing pipeline does not mean that the expiration of the gas from the nozzle will not begin earlier than the CPU completely opens, therefore the opening time of the exhaust valve cannot be included in the technological inertia of the installation during the production of GOTV.

A large number of automated gas fire extinguishing installations is used in enterprises with different technical production to protect technological equipment and installations, both, with normal operating temperatures, and with a high level of operating temperatures on the working surfaces of the units, for example:

Gas pumping units of compressor stations dividing by type

drive motor on gas turbine, gas engine and electric;

High pressure compressor stations with an electric motor drive;

Generator sets with gas turbine, gas engine and diesel

drives;

Production technological equipment for compression and

preparation of gas and condensate on oil and gas condensate fields, etc.

For example, the working surface of the gas turbine drive casing for an electric generator in certain situations can reach sufficiently high heating temperatures exceeding the self-ignition temperature of some substances. If an emergency situation occurs, a fire, on this technological equipment and further eliminating this fire using an automatic gas fire extinguishing system, there is always a possibility of recurrence, the occurrence of re-fire when contacting hot surfaces with natural gas or turbine oil, which is used in lubrication systems.

For equipment where there are hot work surfaces in 1986. VNIIPO The USSR Ministry of Internal Affairs for the USSR Ministry of Gas Industry was developed a document "Fire protection of gas-pumping units of compressor stations of main gas pipelines" (summarized recommendations). Where it is proposed to apply individual and combined fire extinguishing installations to extinguish such objects. Combined fire extinguishing installations imply two input queues into action of fire extinguishers. The list of combinations of fire extinguishers are available in a generalized methods. In this article we consider only the combined installations of gas fire extinguishing "Gas Plus Gas". The first phase of the gas fire extinguishing of the object complies with the standards and requirements of the SP 5.13130.2009, and the second queue (proceeding) eliminates the possibility of re-fire. The method of calculating the mass of gas for the second stage is given in generalized recommendations. See "Automatic gas fire extinguishing installations" section.

To start the gas fire extinguishing system of the first stage in the technical installations without the presence of people, the inertia of the gas fire extinguishing installation (gas start delay) must correspond to the time required to stop the technical means and shutding the air cooling equipment. The delay is envisaged in order to prevent the depths of the gas extinguishing substance.

For the gas fire extinguishing system, the second stage recommends a passive method for preventing recurrence of re-fire recurrence. The passive method implies the inertization of the protected room for a time sufficient for the natural cooling of the heated equipment. The feeding time of the fire extinguishing agent into the protected zone is calculated and depending on the technological equipment can be 15-20 minutes and more. The operation of the second stage of the gas fire extinguishing system is carried out in the mode of maintaining a given fire extinguishing concentration. The second phase of gas fire extinguishing is included immediately at the end of the first stage. The first and second phase of gas fire extinguishing for feeding the extinguishing agent should have its own separate pipe wiring and a separate hydraulic calculation of the distribution pipe with nozzles. The time intervals, between which the opening of the cylinders of the second line of fire extinguishing and the stock of the fire extinguishing agent is determined by the calculations.

As a rule, for extinguishing above the described equipment, carbon dioxide CO 2 is used, but Claudones 125, 227ea and others can be used. Everything is determined by the value of the protected equipment, the requirements for the effects of the selected fire extinguishing agent (gas) on equipment, as well as efficiency when extinguishing. This issue lies entirely in the competence of specialists engaged in the design of gas fire extinguishing systems in this area.

The control circuit of such an automated combined gas fire extinguishing installation is rather complex and requires a very flexible logic of control and management work from the control station. It is necessary to carefully approach the choice of electrical equipment, that is, to gas fire control devices.

Now we need to consider general issues on the placement and installation of gas fire extinguishing equipment.

8.9 Pipelines (see SP 5.13130.2009).

8.9.8 The system of distribution pipelines, as a rule, should be symmetric.

8.9.9 Internal volume of pipelines should not exceed 80% of the volume of the liquid phase of the estimated amount of GOTV at a temperature of 20 ° C.

8.11 Nozzles (see SP 5.13130.2009).

8.11.2 Nozzles should be placed in a protective room, taking into account its geometry and ensure the distribution of GOTV all over the volume of the room with a concentration not lower than the normative.

8.11.4 The difference in the costs of GOTV between two extreme nozzles on one distribution pipe should not exceed 20%.

8.11.6 In one room (protected volume), nozzles of only one sizes should be applied.

3. Terms and definitions (see SP 5.13130.2009).

3.78 Distribution pipe: Pipeline on which rods, sprayers or nozzles are mounted.

3.11 Branch of the distribution pipeline: Section of a row of a distribution pipe located on one side of the feed pipeline.

3.87 Row of distribution pipeline: A combination of two branches of the distribution pipe located on one line from two sides of the supply pipeline.

Increasingly, when coordinating project documentation on gas fire extinguishing, it is necessary to deal with different interpretation of certain terms and definitions. Especially if the axonometric scheme of pipeline layout for hydraulic calculations sends the customer himself. In many, the organization of gas fire extinguishing systems and water fire extermination are among the same specialists. Consider two layout of gas fire extinguishing pipes, see Fig-3 and Rice-4. The "comb" type scheme is mainly used in water fire extinguishing systems. Both schemes shown in the figures are used in the gas fire extinguishing system. There is only a restriction for the "comb" type scheme, it can only be used to extinguish carbon dioxide (carbon dioxide). The regulatory time of carbon dioxide comes into a protected room is no more than 60 seconds, and it does not matter this modular or centralized installation of gas fire extinguishing.

The fill time of the carbon dioxide of the entire pipeline depending on its length and diameters of the tube can be 2-4 seconds, and then the entire pipeline system to distribution pipelines on which nozzles are converted, both in the system, water fire extinguishing in the "feed pipe". Under all the rules of the hydraulic calculation and the correct selection of internal diameters of pipes, the requirement will be carried out in which the difference in the costs of the GOTV between two extreme nozzles on one distribution pipe or between two extreme nozzles on the two extreme rows of the supply pipeline, such as a row 1 and 4, will not exceed twenty%. (See Catching Clause 8.11.4). The operating pressure of carbon dioxide in front of the nozzles will be approximately the same, which will ensure the uniform consumption of the fire extinguishing agent of the step through all the nozzles over time and the creation of a regulatory concentration of gas at any point of the protected room after a period of 60 seconds. Since the start of installing gas fire extinguishing.

Another case of a variety of fire extinguishing substances - chladones. The regulatory time of the reference to the protected room for modular fire extinguishing is not more than 10 seconds, and for centralized installation no more - 15 seconds. etc. (See SP 5.13130.2009).

fire extinguishingaccording to the "comb" type scheme.

Rice-3.

Hydraulic calculation with gas refrigeric gas (125, 227EA, 318C and FC-5-1-12) For an axonometric scheme for wiring a "comb" type, the main requirement of the ruled rules is ensuring a uniform consumption of fire extinguishing agent through all nozzles and ensure the distribution of GOTOS throughout the volume of the protected room with a concentration is not lower than the normative (see sawing clause 8.11.2 and paragraph 8.11.4). The difference in consumption of the GOTS family of chladone through the nozzles between the first and last rows can reach the values \u200b\u200bof 65% in the place of permissible 20%, especially if the number of rows on the supply pipeline reaches 7 pcs. and more. Obtaining such results for the gas of the chladone family can be explained by the process physics: the process of the process in time, the fact that each subsequent row takes part of the gas on itself, gradually increasing the length of the pipeline from the row to the row, the dynamics of resistance to the gas movement through the pipeline. It means that the first row with nozzles on the feed pipeline is in more favorable working conditions than the last row.

The rule says that the difference in the costs of the step between two extreme nozzles on one distribution pipeline should not exceed 20% and say nothing about the consumption difference between rows on the feed pipeline. Although another rule says that nozzles should be placed in a protective room, taking into account its geometry and ensure the distribution of GOTV all over the volume of the room with a concentration not lower than the normative.

Gas installation pipeline layout plan

Fire extinguishing on a symmetric scheme.

Rice-4.

How to understand the requirement of the array of rules, the system of distribution pipelines, as a rule, should be symmetric (see Catching 8.9.8). The "Comb" type pipeline layout system Installation of gas fire extinguishing also has a symmetry relative to the feed pipeline and at the same time does not provide the same gas consumption of the chladone brand through the nozzles throughout the volume of the protected room.

On Figa-4 shows a pipeline wiring system for installing gas fire extinguishing on all symmetry rules. This is determined by three features: the distance from the gas module to any nozzle has one and the tight length, the diameters of the pipes to any nozzle are identical, the number of bends and their direction is similar. The difference in gas costs between any nozzles is practically zero. If the architecture of the protected room is necessary, some kind of distribution pipeline with a nozzle to lengthen or move to the side, the cost difference between all the nozzles will never go beyond 20%.

Another problem for gas fire extinguishing installations is the large height of the protected rooms from 5 m. And more (see RIS-5).

AXONOMOMETRIC SCHEME OF THE GAS FIRE PIPERING PUBLISHin the room one volume with a large height of the ceilings.

Rice-5.

This problem occurs when protecting industrial enterprises, where production workshops are subject to defense may have ceilings up to 12 meters high, specialized archives buildings, with ceilings reaching 8 meters altitudes and above, storage and maintenance hangars various special equipment, gas pumping stations and petroleum products and T .. The generally accepted maximum height of the installation of the nozzle relative to the floor in the protective room, widely used in gas fire extinguishing installations, is usually no more than 4.5 meters. It is at this height that the developer of this equipment and checks the work of its nozzle for compliance with its parameters with the requirements of SP 5.13130.2009, as well as the requirements of other regulatory documents of the Russian Federation on fire safety.

With a high height of industrial premises, for example, 8.5 meters, the technological equipment itself will uniquely be located at the bottom at the production site. With volumetric gas fire extinguishing installation in accordance with the rules of the SP 5.13130.2009, the nozzles should be located on the ceiling of the protected room, at a height of not more than 0.5 meters from the surface of the ceiling in strict accordance with their technical parameters. It is clear that the height of the production premises is 8.5 meters does not correspond to the technical characteristics of the nozzle. The nozzles should be placed in the protected area, taking into account its geometry and ensure the distribution of GOTV all over the volume of the room with a concentration not lower than the normative (see sawing. 8.11.2 from SP 5.13130.2009). The question of how long the regulatory concentration of gas will be equalized in time throughout the volume of the protected room with high ceilings, and what rules it can be adjusted. One solution to this question is a conditional division of the total amount of protected premises in height into two (three) equal parts, and on the boundaries of these volumes every 4 meters in the direction down the wall symmetrically set additional nozzles (see RIS-5). Additionally, the installed nozzles make it possible to quickly fill the volume of the protected room with a fire extinguishing agent with the provision of a regulatory concentration of gas, and that much more importantly ensure the fast supply of the extinguishing agent to technological equipment at the production site.

Submitted pipe wiring diagram (see Riga-5) is more convenient on the ceiling to have nozzles with spraying gun by 360o, and on the walls of the nozzle with side spraying of GOTV on the 180-1 single size and equal to the calculated area of \u200b\u200bholes for spraying. As the rule is read in one room (protected volume), nozzles of only one sizes should be applied (see sawing section 8.11.6). True, the definition of the term nozzles of one size in SP 5.13130.2009 is not given.

For hydraulic calculation of the distribution pipe with nozzles and calculating the mass of the required amount of gas extinguishing agent to create a regulatory fire extinguishing concentration in a protected amount, modern computer programs are used. Earlier, this calculation was made in manual using special approved techniques. It was difficult and long in time by action, and the result was quite greatest. To obtain reliable results of the hydraulic calculation of the pipe wiring, there was a great experience of a person dealing with the calculations of gas fire extinguishing systems. With the advent of computer and training programs, hydraulic calculations have become available to a large circle of specialists working in this area. Computer program "Vector", one of the few programs allowing you to optimally solve all sorts of complex tasks in the field of gas fire extinguishing systems with minimal loss of time on calculations. To confirm the reliability of the calculation results, the verification of hydraulic calculations was carried out on the computer program "Vector" and a positive expert opinion was obtained No. 40 / 20-2016 of 03/31/2016. The Academy of GPS of the Emergencies Ministry of Russia for the use of the system of hydraulic calculations "vector" in the gas fire extinguishing facilities with the following fire extinguishers: Cold 125, Cladon 227EA, Cladon 318c, FC-5-1-12 and CO2 (carbon dioxide) production of LLC ASPT SpecialAvtomatika.

Computer program of hydraulic calculations "Vector" frees the designer from routine work. It contains all the rules and rules of the joint venture 5.13130.2009, it is within these restrictions that calculations are performed. A person inserts only its source data into the program to calculate and makes edits if the result is not satisfied.

Finally I would like to say, we are proud that in recognition of many specialists, one of the leading Russian manufacturers of automatic gas fire extinguishing installations in the field of technology is LLC ASPT Special Automation.

The company designers have developed a number of modular installations for various conditions, features and functionality of protected objects. The equipment fully complies with all Russian regulatory documents. We carefully follow and study world experience in developing in our area, which allows the use of the most advanced technologies in the development of its own production facilities.

An important advantage is that our company does not only design and establishes fire extinguishing systems, but also has its own production base for the manufacture of all the necessary equipment for fire extinguishing - from modules to collectors, pipelines and nozzles for spraying gas. Own gas stations gives us the opportunity in the shortest possible time to make refueling and examination of a large number of modules, as well as carry out comprehensive tests of all newly developed gas fire extinguishing systems (GPT).

Cooperation with leading world producers of fire extinguishes and manufacturers of GOTS in Russia allows LLC ASPT SpecialAvtomatik to create multidisciplinary fire extinguishing systems using the safest, highly efficient and widespread compositions (Claudones 125, 227EA, 318C, FC-5-1-12, carbon dioxide ( CO 2)).

LLC "ASPT SpecialAvtomatika" offers not one product, but a single complex is a complete set of equipment and materials, project, installation, commissioning and subsequent maintenance above the listed fire extinguishing systems. In our organization is regularly held free Training in design, installation and commissioning of equipment manufactured, where you can get the most complete answers to all the questions that arise, as well as get any consultation in the field of fodder protection.

Reliability and high quality - our main priority!