Snip 2.04 05 9 application. Exhaust, general and emergency ventilation systems

BUILDING REGULATIONS

HEATING, VENTILATION AND AIR CONDITIONING

SNiP 2.04.05-91*

UDC (083.74)

The Orders of the Red Banner of Labor were DEVELOPED by the design institute Promstroyproekt (candidate of technical sciences B.V. Barkalov), the State design design and research institute Santekhniiproekt of the Gosstroy of Russia (T.I. Sadovskaya) with the participation of the GiproNII Institute of the USSR Academy of Sciences (Dr. technical sciences E.E. Karpis, M.V. Shuvalova), VNIIPO Ministry of Internal Affairs of the USSR (candidate of technical sciences I.I. Ilminsky), MNIITEP (candidate of technical sciences M.M. Grudzinsky). Riga Polytechnic Institute (Candidate of Technical Sciences A.M. Sizov) and Tyumen Civil Engineering Institute (Candidate of Technical Sciences A.F. Shapoval).

INTRODUCED by the Promstroyproekt Institute.

PREPARED FOR APPROVAL by the Department of Standardization and Technical Standards in Construction of the USSR State Construction Committee (V.A. Glukharev).

SNiP 2.04.05-91* is a reissue of SNiP 2.04.05-91 with change No. 1, approved by Resolution of the Gosstroy of Russia dated January 21, 1994 No. 18-3, and change No. 2 approved by Resolution of the Gosstroy of Russia dated May 15, 1997. No. 18-11.

Sections, paragraphs, tables, formulas to which changes have been made are marked in these building codes and regulations with an asterisk.

When using a regulatory document, you should take into account the approved changes to building codes and regulations and state standards published in the journal “Bulletin of Construction Equipment” and the information index “State Standards” of the State Standard of Russia.

These building codes must be observed when designing heating, ventilation and air conditioning in the premises of buildings and structures (hereinafter referred to as “buildings”).

When designing, you should also comply with the requirements for heating, ventilation and air conditioning of other regulatory documents approved and agreed upon with the USSR Gosstroy (Ministry of Construction of Russia).

These standards do not apply to the design of:

a) heating, ventilation and air conditioning of shelters, structures intended for work with radioactive substances, sources of ionizing radiation: underground mining facilities and premises in which explosives are produced, stored or used;

b) special heating, cooling and dust removal installations and devices for technological and electrical equipment of pneumatic transport systems and vacuum cleaners;

c) stove heating using gaseous and liquid fuels.

1. GENERAL PROVISIONS

1.1. Heating, ventilation and air conditioning projects should include technical solutions that provide:

a) standardized meteorological conditions and air purity in the serviced area of residential, public, and administrative buildings of enterprises (hereinafter referred to as “administrative buildings”);

b) standardized meteorological conditions and air purity in the working area of production, laboratory and warehouse (hereinafter referred to as “production”) premises in buildings of any purpose;

c) standardized levels of noise and vibration from the operation of equipment and heating, ventilation and air conditioning systems, except for emergency ventilation systems and smoke protection systems, for which during operation or testing in accordance with GOST 12.1.003-83* in the premises where this equipment is installed, allowable noise is no more than 110 dBA, and with impulse noise no more than 125 dBA;

d) maintainability of heating, ventilation and air conditioning systems;

e) explosion and fire safety of heating, ventilation and air conditioning systems.

Projects should include staffing levels to operate HVAC systems.

1.2. In projects for the reconstruction and technical re-equipment of existing enterprises, residential, public and administrative buildings, existing heating, ventilation and air conditioning systems should be used in the feasibility study if they meet the requirements of the standards.

1.3. Heating and ventilation equipment, pipelines and air ducts located in rooms with an aggressive environment, as well as intended to remove air from an aggressive environment, should be made of anti-corrosion materials or with protective coatings against corrosion.

1.4. Hot surfaces of heating and ventilation equipment, pipelines and air ducts located in rooms where they pose a risk of ignition of gases, vapors, aerosols or dust should be insulated, ensuring that the temperature on the surface of the thermal insulation structure is at least 20% lower than their self-ignition temperature.

Note. If it is not technically possible to reduce the temperature of the insulation surface to the specified level, heating and ventilation equipment, pipelines and air ducts should not be placed in the specified rooms.

1.5. Thermal insulation structures should be designed in accordance with SNiP 2.04.14-88.

1.6. Heating and ventilation non-standardized equipment, air ducts and thermal insulation structures should be made from materials approved for use in construction.

2. DESIGN CONDITIONS

2.1*. Meteorological conditions within acceptable standards should be taken according to mandatory Appendix 1 in the serviced area of residential, public and administrative premises and according to mandatory Appendix 2 at permanent and non-permanent workplaces of industrial premises (except for premises for which meteorological conditions are established by other regulatory documents).

The indoor air temperature should be:

a) for the warm period of the year when designing ventilation in rooms with excess sensible heat (hereinafter referred to as heat) - the maximum permissible temperature, and in the absence of excess heat - economically feasible within the permissible temperatures;

b) for the cold period of the year and transitional conditions when designing heating and ventilation - economically feasible within the limits of optimal temperatures according to mandatory appendices 2 and 5.

The speed of movement and relative air humidity should be taken according to mandatory appendices 1 and 2.

2.2.* The air temperature in the working area of production premises with fully automated technological equipment operating without the presence of people (except for on-duty personnel located in a special room and entering the production premises periodically to inspect and adjust the equipment for no more than 2 hours continuously), in the absence of technological requirements for The temperature conditions of the premises should be taken as follows:

a) for the warm period of the year in the absence of excess heat - equal to the outside air temperature, and in the presence of excess heat - 4 ° C higher than the outside air temperature at parameters A, but not lower than 29 ° C, if air heating is not required:

b) for the cold period of the year and transitional conditions in the absence of excess heat and the calculated parameters of external air B (hereinafter - parameters B) 10 ° C, and in the presence of excess heat - an economically feasible temperature.

In places where repair work is carried out lasting 2 hours or more (continuously), it is necessary to provide for a decrease in air temperature to 25 ° C in I-III and to 28 ° C in construction-climatic regions IV during the warm period of the year (parameters A) and an increase in air temperature up to 16°C in the cold season (parameters B) with mobile air heaters.

Relative humidity and air velocity in industrial premises with fully automated technological equipment are not standardized in the absence of special requirements.

2.3. Temperatures and air speeds in the workplace when showering with outside air in production premises should be taken as follows:

a) when irradiated with a surface radiant heat flux density of 140 W/m2 and more according to mandatory Appendix 3;

b) in open technological processes with emissions of harmful substances - according to clause 2.1*.

2.4. Temperature, relative humidity, movement speed and air purity in livestock, fur and poultry buildings, structures for growing plants, buildings for storing agricultural products should be taken in accordance with the standards of technological and construction design of these buildings.

2.5. During the cold period of the year, in public, administrative, household and industrial premises of heated buildings, when they are not in use, and during non-working hours, the air temperature should be taken below the normalized one, but not lower than 5 ° C, ensuring the restoration of the normalized temperature by the start of using the premises or by the beginning of work.

2.6. During the warm season, meteorological conditions in the premises are not standardized:

a) residential buildings;

b) public, administrative and industrial during periods when they are not in use and during non-working hours.

2.7. The air temperature in the working area of the room during radiant heating or cooling of permanent workplaces should be taken by calculation, providing temperature conditions equivalent to the standardized temperature in the working area, and the surface density of the radiant heat flux in the workplace should not exceed 35 W/m2.

The air temperature in the working area of premises during radiant heating or cooling of workplaces can be determined according to the recommended Appendix 4.

Note. Heated or cooled surfaces of process equipment should not be used for radiant heating or cooling of permanent work areas.

2.8. Meteorological conditions in premises during air conditioning within the limits of optimal standards should be ensured in accordance with mandatory Appendix 5 in the serviced area of public and administrative premises and in accordance with mandatory Appendix 2 for permanent and non-permanent workplaces, except for premises for which meteorological conditions are established by others regulatory documents.

In areas where the outside air temperature in the warm season is 30°C or more (parameters B), the indoor air temperature should be increased by 0.4°C above that specified in mandatory appendices 2 and 5 for each degree of temperature increase of more than 30°C, increasing at This is the speed of air movement by 0.1 m/s for each degree of temperature rise in the working or service area of the premises. The speed of air movement in the premises under the specified conditions should be no more than 0.5 m/s.

Meteorological conditions within the limits of optimal standards or one of the air parameters included in them may be taken instead of the permissible parameters, if this is economically justified.

2.9. In technological process control rooms, when performing operator work associated with nervous and emotional stress, the following optimal standards must be observed: air temperature 22 - 24 ° C, relative air humidity 40 - 60% and air speed - according to mandatory Appendix 2. List other production premises in which optimal standards must be observed are established by industry documents.

In rest areas for workers in hot shops with a surface heat flux density at the workplace of 140 W/m2 or more, the air temperature should be 20°C in the cold season and 23°C in the warm season.

In rooms for heating people, the air temperature should be 25°C, and when using radiation heating in accordance with clause 2.7 - 20°C.

2.10. The following should be taken into the supply air stream as it enters the serviced or working area of the room:

a) maximum air speed n x, m/s, according to the formula

BUILDING REGULATIONS

Heating, ventilation and air conditioning SNiP 2.04.05-91*

UDC (083.74)

INTRODUCED by the Promstroyproekt Institute.

PREPARED FOR APPROVAL by the Department of Standardization and Technical Standards in Construction of the USSR State Construction Committee (V.A. Glukharev).

Sections, paragraphs, tables, formulas to which changes have been made are marked in these building codes and regulations with an asterisk.

When using a regulatory document, you should take into account the approved changes in building codes and regulations and state standards published in the magazine "bBulletin of Construction Equipment” and the information index “State Standards” of the State Standard of Russia.

These building codes must be observed when designing heating, ventilation and air conditioning in the premises of buildings and structures (hereinafter referred to as “buildings”).

These standards do not apply to the design of:

b) special heating, cooling and dust removal installations and devices for technological and electrical equipment of pneumatic transport systems and vacuum cleaners;

c) stove heating using gaseous and liquid fuels.

1. General Provisions

1.1. Heating, ventilation and air conditioning projects should include technical solutions that provide:

d) maintainability of heating, ventilation and air conditioning systems;

e) explosion and fire safety of heating, ventilation and air conditioning systems.

Projects should include staffing levels to operate HVAC systems.

1.5. Thermal insulation structures should be designed in accordance with SNiP 2.04.14-88.

1.6. Heating and ventilation non-standardized equipment, air ducts and thermal insulation structures should be made from materials approved for use in construction.

The Orders of the Red Banner of Labor were DEVELOPED by the design institute Promstroyproekt (candidate of technical sciences B.V. Barkalov), the State design design and research institute Santekhniiproekt of the Gosstroy of Russia (T.I. Sadovskaya) with the participation of the GiproNII Institute of the USSR Academy of Sciences (Dr. technical sciences E.E. Karpis, M.V. Shuvalova), VNIIPO Ministry of Internal Affairs of the USSR (candidate of technical sciences I.I. Ilminsky), MNIITEP (candidate of technical sciences M.M. Grudzinsky), Riga Polytechnic Institute ( Candidate of Technical Sciences A.M. Sizov) and the Tyumen Civil Engineering Institute (Candidate of Technical Sciences A.F. Shapoval).

INTRODUCED by the Promstroyproekt Institute.

PREPARED FOR APPROVAL by the Department of Standardization and Technical Standards in Construction of the USSR State Construction Committee (V.A. Glukharev).

SNiP 2.04.05-91* is a reissue of SNiP 2.04.05-91 with change No. 1, approved by Decree of the Gosstroy of Russia dated January 21, 1994 No. 18-3, and change No. 2 approved by Decree of the Gosstroy of Russia dated May 15, 1997. No. 18-11.

Change No. 3 was introduced, approved by Decree of the State Construction Committee of Russia No. 137 of October 22, 2002.

Sections, paragraphs, tables, formulas to which changes have been made are marked in these building codes and regulations with an asterisk.

These building codes must be observed when designing heating, ventilation and air conditioning in the premises of buildings and structures (hereinafter referred to as “buildings”).

These standards do not apply to the design of:

a) heating, ventilation and air conditioning of shelters, structures intended for work with radioactive substances, sources of ionizing radiation; underground mining sites and premises in which explosives are produced, stored or used;

b) special heating, cooling and dust removal installations and devices for technological and electrical equipment of pneumatic transport systems and vacuum cleaners;

c) stove heating using gaseous and liquid fuels.

1. General Provisions
2. Design conditions
3. Heating
4. Ventilation, air conditioning and air heating
5. Smoke protection in case of fire
6. Refrigeration
7. Air emissions
8. Use of thermal secondary energy resources
9. Power supply and automation
10. Space planning and design solutions
11. Water supply and sewerage
Appendix 1. Permissible standards for temperature, relative humidity and air speed in the serviced area of residential, public and administrative premises
Appendix 2. Calculated norms of temperatures and air speed during air showering
Appendix 3. Optimal standards for temperature, relative humidity and air speed in the serviced area of residential, public and administrative premises

The Orders of the Red Banner of Labor were DEVELOPED by the design institute Promstroyproekt (candidate of technical sciences B.V. Barkalov), the State design design and research institute Santekhniiproekt of the Gosstroy of Russia (T.I. Sadovskaya) with the participation of the GiproNII Institute of the USSR Academy of Sciences (Dr. technical sciences E.E. Karpis, M.V. Shuvalova), VNIIPO Ministry of Internal Affairs of the USSR (candidate of technical sciences I.I. Ilminsky), MNIITEP (candidate of technical sciences M.M. Grudzinsky), Riga Polytechnic Institute ( Candidate of Technical Sciences A.M. Sizov) and the Tyumen Civil Engineering Institute (Candidate of Technical Sciences A.F. Shapoval).

SNiP 2.04.05-91* is a reissue of SNiP 2.04.05-91 with amendment No. 1, approved by Resolution of the Gosstroy of Russia dated January 21, 1994 N 18-3, amendment No. 2 approved by Resolution of the Gosstroy of Russia dated May 15, 1997 N 18-11 and amendment No. 3, approved by Resolution of the State Construction Committee of Russia dated October 22, 2002 No. 137.

When using a regulatory document, you should take into account the approved changes to building codes and regulations and state standards published in the journal "Bulletin of Construction Equipment" and the information index "State Standards" of the State Standard of Russia.

These building codes must be observed when designing heating, ventilation and air conditioning in the premises of buildings and structures (hereinafter referred to as buildings).

A) heating, ventilation and air conditioning of shelters, structures intended for work with radioactive substances, sources of ionizing radiation; underground mining sites and premises in which explosives are produced, stored or used;

B) special heating, cooling and dust removal installations and devices for technological and electrical equipment, pneumatic transport systems and vacuum cleaners;

A) standardized meteorological conditions and air purity in the serviced area of residential, public, and administrative buildings of enterprises (hereinafter referred to as administrative buildings);

B) standardized meteorological conditions and air purity in the working area of production, laboratory and warehouse (hereinafter referred to as production) premises in buildings of any purpose;

C) standardized levels of noise and vibration from the operation of equipment and heating, ventilation and air conditioning systems, except for emergency ventilation systems and smoke protection systems, for which during operation or testing in accordance with GOST 12.1.003-83 in the premises where this equipment is installed, it is acceptable noise no more than 110 dBA, and with impulse noise no more than 125 dBA;

1.2. In projects for the reconstruction and technical re-equipment of existing enterprises, residential, public and administrative buildings, existing heating, ventilation and air conditioning systems should be used during the feasibility study if they meet the requirements of the standards.

1.3. Heating and ventilation equipment, pipelines and air ducts located in rooms with an aggressive environment, as well as intended to remove air from an aggressive environment, should be made of anti-corrosion materials or with protective coatings against corrosion.

1.4. Hot surfaces of heating and ventilation equipment, pipelines and air ducts located in rooms where they pose a risk of ignition of gases, vapors, aerosols or dust should be insulated, ensuring that the temperature on the surface of the thermal insulation structure is at least 20% lower than their self-ignition temperature.

1.6. Heating and ventilation non-standardized equipment, air ducts and thermal insulation structures should be made from materials approved for use in construction.

2.1*. Meteorological conditions within acceptable standards should be taken according to mandatory Appendix 1 in the serviced area of residential, public and administrative premises and according to mandatory Appendix 2 at permanent and non-permanent workplaces of industrial premises (except for premises for which meteorological conditions are established by other regulatory documents).

A) for the warm period of the year when designing ventilation in rooms with excess sensible heat (hereinafter referred to as heat) - the maximum permissible temperature, and in the absence of excess heat - economically feasible within the permissible temperatures;

B) for the cold period of the year and transitional conditions when designing heating and ventilation - economically feasible within the limits of optimal temperatures according to mandatory appendices 2 and 5.

2.2*. The air temperature in the working area of production premises with fully automated technological equipment operating without the presence of people (except for duty personnel located in a special room and entering the production room periodically to inspect and adjust the equipment for no more than 2 hours continuously), in the absence of technological requirements for temperature The indoor regime should be:

A) for the warm period of the year in the absence of excess heat - equal to the outside air temperature, and in the presence of excess heat - 4 °C higher than the outside air temperature at parameters A, but not lower than 29 °C, if air heating is not required;

The Orders of the Red Banner of Labor were DEVELOPED by the design institute Promstroyproekt (candidate of technical sciences B.V. Barkapov), the State design design and research institute Santekhniiproekt of the Gosstroy of Russia (T.I. Sadovskaya) with the participation of the GiproNII Institute of the USSR Academy of Sciences (Dr. technical sciences E.E. Karpis, M.V. Shuvalova), VNIIPO Ministry of Internal Affairs of the USSR (candidate of technical sciences I.I. Ilminsky), MNIITEP (candidate of technical sciences M.M. Grudzinsky), Riga Polytechnic Institute ( Candidate of Technical Sciences A.M. Sizov) and the Tyumen Civil Engineering Institute (Candidate of Technical Sciences A.F. Shapoval).

INTRODUCED by the Promstroyproekt Institute.

PREPARED FOR APPROVAL by the Department of Standardization and Technical Standards in Construction of the USSR State Construction Committee (V.A. Glukharev).

SNiP 2.04.05-91* is a reissue of SNiP 2.04.05-91 with change 1, approved by the resolution of the State Construction Committee of Russia dated January 21, 1994 No. 18-3, and change 2 approved by the resolution of the State Construction Committee of Russia dated May 15, 1997. ?18-11.

Sections, paragraphs, tables, formulas to which changes have been made are marked in these building codes and regulations with an asterisk.

These building codes must be observed when designing heating, ventilation and air conditioning in the premises of buildings and structures (hereinafter referred to as buildings).

These standards do not apply to the design of:

B) special heating, cooling and dust removal installations and devices for technological and electrical equipment, pneumatic transport systems and vacuum cleaners;

C) stove heating using gaseous and liquid fuels. Content:

4. Ventilation, air conditioning and air heating

SNiP 2.04.05-91* - Appendix 12. Mandatory. Calculation of heat flow and coolant flow in a water heating system

Snip 2.04 05 9 application. Exhaust, general and emergency ventilation systems

Heating, ventilation and air conditioning SNiP 2.04.05-91*

1. General Provisions

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