SNiPs for heating: basic provisions. Spds. rules for the implementation of working documentation for heating, ventilation and air conditioning GOST for the installation of heating and ventilation systems

Heating system project includes a text part and a set of drawings in accordance with the requirements of regulatory documentation.

The volume of project documentation, i.e. heating project includes:

at the stage of developing the installation diagram:

cover and title page;
table of initial data for designing a heating system;
basic technical solutions of heating systems (summary);
Calculations are made that are not included in the design documentation:
- performing thermal engineering calculations (determining the heat loss of a building);
- calculation of the power of heating devices;
- hydraulic calculation of heating lines and their elements;
- calculation of main heating equipment (boilers, boilers, etc.);
main set of drawings:
- placement of terminal equipment (heating devices and remote controls);
- placement of heating lines and their elements;
specification of heating equipment without details;

added to the main set of drawings:
- areas of operation and maintenance of main heating equipment;
- detailing of components of the main heating equipment (piping of boilers, boilers and thermal units);
- block diagram of the main heating equipment;
- detailing of the components of the terminal heating equipment system (drawing of manifold cabinets, detailing of the boiler room and chimneys, connections of heating devices);
- overall dimensions (diameters) and service areas of heating routes;
- notes for heating system installation;
- heating system diagrams;
added to the explanatory note:
- table of building heat requirements by system;
- characteristics of the heating system (dimensions, energy consumption, etc.);
- design of heating system automation;
assignment to related systems (integration table) - issued upon request if other companies are involved in related engineering systems;
specification of heating equipment with details;
licenses and certificates for design and installation work;
coordination of design solutions with architects and designers.

The scope of the heating project allows for the complete implementation of the designed system. Some documents included in the heating project being developed by our company are presented in a typical project for combined heating of a house.

Detailed design documentation

Detailed composition of design documentation for the section of the project on heating, heating networks and thermomechanical solutions for the boiler room at various stages of the work is given in the appendix to the contract for design and survey work.

Here we present this application in its entirety.

Documentation section name	Stage of work execution
Documentation section name	Sketch design / Sketch diagram	Wiring diagram	Project
1. Cover*	+	+	+
2. Title page*	+	+	+
3. Approval sheet**	-	+	+
4. Contents*	-	-	+
5. Project composition*	-	-	+
6. Technical specifications**	+	+	+
7. Technical specifications (upon receipt from the customer)	-	+	+
8. Explanatory note, including :**	+	+	+
8.1. Details of the document on the basis of which the decision to develop project documentation was made	-	+	+
8.2. Initial data and conditions for the preparation of project documentation	+	+	+
8.3. Information about the functional purpose of the object	+	+	+
8.4. Information about the facility’s need for fuel, gas, water, electrical energy, thermal energy, the amount of supplied and removed air, cold. Information is provided in text or tabular form	-	+	+
8.5. Technical and economic indicators of the designed facilities	-	-	+
8.6. General information about systems	-	+	+
8.7. General characteristics of the designed systems and their networks	-	+	+
8.8. Information on the availability of developed and agreed upon special technical conditions - if it is necessary to develop such conditions	-	+	+
8.9. Assurance from the design organization that the heating project has been developed in accordance with the design assignment, technical regulations, including those establishing requirements for ensuring the safe operation of buildings, structures, structures and the safe use of adjacent territories, and in compliance with technical conditions	-	-	+
8.12. For the heating and heating networks section, the HVAC project includes the following data:
8.12.1. Information on climatic and meteorological conditions of the construction area, calculated parameters of outdoor air	-	-	+
8.12.2. Information about heat supply sources, parameters of heating fluids	-	+	+
8.12.3. Description and justification of installation methods and design solutions, including decisions regarding the diameters and thermal insulation of heating main pipes from the point of connection to public networks to the facility	-	-	+
8.12.4. List of measures to protect pipelines from the aggressive effects of soil and groundwater	-	-	+
8.12.5. Justification of adopted systems and fundamental decisions on space heating	-	+	+
8.12.6. Information on thermal loads for heating, hot water supply, production and other needs	-	-	+
8.12.7. Justification for the optimal placement of heating equipment	-	-	+
8.12.8. Description of automation of heating and heat supply systems	-	-	+
8.12.9. Information on the requirements (according to SP 7.13130.2009) for the following premises: boiler room, heating unit, reserve fuel storage rooms	-	+	+
9. Basic set of working drawings, including:
9.1. Display of adopted technical and other decisions and performed in the form of drawings, diagrams, plans and other documents in graphic form	-	+	+
9.4. The heating and heating networks section includes the following data:
9.4.1. Plan of heating networks with heating lines and their elements marked	-	+	+
9.4.2. Overall dimensions of heating lines and heating network routes	-	-	+
9.4.4. Placement of main heating equipment	+	+	+
9.4.5. Overall dimensions of main heating equipment and heating networks	-	+	+
9.4.6. Operation and maintenance areas of main equipment	-	-	+
9.4.7. Detailing of components of the main equipment of the heating system	-	-	+
9.4.8. Block diagram of the heating system	-	+	+
9.4.9. Notes required for installation	-	-	+
9.4.10. Axonometric diagram of the heating system	-	-	+
9.4.11. Placement of terminal heating equipment	-	+	+
9.4.12. Overall dimensions of terminal equipment of heating systems and heating networks	-	+	+
9.4.13. Areas of operation and maintenance of terminal heating equipment	-	-	+
9.4.14. Detailing of terminal equipment components	-	-	+
10. Assignment to adjacent systems**	-	+	+
11. Specification without details for equipment**	-	+	-
11.3. The heating and heating networks section includes the following data:
11.3.5. Heat generating unit (boiler, heating network, etc.) and its components as a single set	-	+	-
11.3.6. Zone air temperature closers (climatic devices) and their components, as a single set	-	+	-
11.3.7. Water heater tanks and their components as a single set	-	+	-
11.3.8. Expansion tanks and their components as a single set	-	+	-
11.3.9. Main main manifold with mixing units and their components as a single set	-	+	-
11.3.10. Chimney and its components as a single set	-	+	-
11.3.11. Automation of main heating equipment and its components as a single set	-	+	-
11.3.12. Equipment that provides storage and supply of reserve fuel and its components as a single set	-	+	-
11.3.13. Burner equipment and its components as a single set	-	+	-
11.3.15. The lines are indicated with the indication of material, size, type and complete manufacturer	-	+	-
11.3.16. Consumables for each type of heating equipment and lines are indicated completely	-	+	-
12. Specification for heating equipment and materials, made in accordance with GOST	-	-	+
13. Permits for design and survey work	-	+	+

Notes:

Examples of projects with descriptions

Some documents included in the heating project being developed by our company are presented in

GOST 21.602-2003

GOST 21.602-2003
INTERSTATE STANDARD
DESIGN DOCUMENTATION SYSTEM
FOR CONSTRUCTION
EXECUTION RULES

INTERSTATE SCIENTIFIC AND TECHNICAL COMMISSION
ON STANDARDIZATION AND TECHNICAL REGULATION
IN CONSTRUCTION (MNTKS)
MOSCOW
Preface
1 DEVELOPED by the Federal State Unitary Enterprise "Design, Design and Research Institute "SantehNIIproekt" (FSUE SantekhNIIproekt) and the Federal State Unitary Enterprise "Center for Methodology of Standardization and Standardization in Construction" (FSUE CNS)
INTRODUCED by the State Construction Committee of Russia
2 ADOPTED by the Interstate Scientific and Technical Commission for Standardization and Technical Regulation in Construction on October 18, 2002.
The following voted for the adoption of the standard:
Name of the state Name of the state construction management body
Azerbaijan Republic State Construction Committee of the Azerbaijan Republic
Republic of Armenia Ministry of Urban Development of the Republic of Armenia
Republic of Kazakhstan Kazstroykomitet
Kyrgyz Republic State Commission for Architecture and Construction under the Government of the Kyrgyz Republic
Republic of Moldova Ministry of Ecology, Construction and Territorial Development of the Republic of Moldova
Russian Federation Gosstroy of Russia
Republic of Tajikistan Komarchstroy of the Republic of Tajikistan
Republic of Uzbekistan State Committee for Architecture and Construction of the Republic of Uzbekistan Ukraine State Construction Committee of Ukraine
3 INSTEAD GOST 21.602-79
4 ENTERED INTO EFFECT from June 1, 2003 as a state standard of the Russian Federation by Decree of the State Construction Committee of Russia dated May 20, 2003 No. 39
CONTENT
1 Application 2
2 Normative references 2
3 Definitions 3
4 General provisions 3
5 General data on working drawings 7
6 System drawings 13
7 System installation drawings 21
8 Sketch drawings of general types of non-standard products 23
9 Specification of equipment, products and materials 23
10 Questionnaires and dimensional drawings 24
Appendix A Terms used in this standard 25
Appendix B Example of a layout plan for system installations 26
Appendix B Examples of plans and sections of system drawings 26
Appendix D Examples of circuit diagrams for heating systems and heat supply installations 29
Appendix E Examples of ventilation system diagrams 32
Appendix E Examples of plans and sections of system installation drawings 34
Appendix G Example of drawing up specifications for equipment, products and materials 36
GOST 21.602-2003
INTERSTATE STANDARD
System of design documents for construction
EXECUTION RULES
WORKING DOCUMENTATION FOR HEATING,
VENTILATION AND AIR CONDITIONING
System of design documents for construction.
Rules for execution of working documentation of heating, ventilation
and air conditioning
Date of introduction 2003-06-01
1 area of use
This standard establishes the composition and rules for the preparation of working documentation for heating, ventilation and air conditioning systems of buildings and structures for various purposes.
2 Normative references
This standard uses references to the following standards:
GOST 2.316-68 ESKD. Rules for applying inscriptions, technical requirements and tables on drawings
GOST 2.782-96 ESKD. Conventional graphic designations. Hydraulic and pneumatic machines
GOST 2.785-70 ESKD. Conventional graphic designations. Pipeline fittings
GOST 21.101-97 SPDS. Basic requirements for design and working documentation
GOST 21.110-95 SPDS. Rules for fulfilling the specifications of equipment, products and materials
GOST 21.112-87 SPDS. Lifting and transport equipment. Conditional images
GOST 21.114-95 SPDS. Rules for making sketch drawings of general types of non-standard products
GOST 21.205-93 SPDS. Symbols for elements of sanitary systems
GOST 21.206-93 SPDS. Pipeline symbols
GOST 21.404-85 SPDS. Automation of technological processes. Symbols of devices and automation equipment in diagrams
GOST 21.501-93 SPDS. Rules for the execution of architectural and construction working drawings
GOST 3262-75 Steel water and gas pipes. Specifications
3 Definitions
For the purposes of this standard, the following definitions apply:
3.1 system: A set of functionally interconnected equipment, installations (units), devices, products, pipelines and (or) air ducts (for example, supply system P1, exhaust system B1, heating system 1, heat supply system for installations P1 - P3).
3.2 systems drawing: A drawing defining the relative location of functionally interconnected equipment, installations (units), pipelines and (or) air ducts and other parts of the designed systems.
3.3 installation: Conventional name of a complex of interconnected equipment and (or) devices, and, if necessary, pipelines (air ducts) connected to the system installation equipment (for example, installation of the supply system P1, installation of the exhaust system B1).
3.4 installation drawing: A drawing containing a simplified image of the installations, defining their design, dimensions, relative position and designation of installation elements and other necessary data.
3.5 The terms used in this standard according to GOST 21.110 and GOST 21.114 are given in Appendix A.
4 General provisions
4.1 Working documentation for heating, ventilation and air conditioning is carried out in accordance with the requirements of this standard, GOST 21.101 and other interrelated standards of the Design Documentation System for Construction (SPDS).
4.2 The working documentation of heating, ventilation and air conditioning systems (hereinafter referred to as systems) includes:
- working drawings intended for construction and installation work (the main set of working drawings of the OV brand);
- sketch drawings of general types of non-standard products, structures, devices, mounting blocks (hereinafter referred to as sketch drawings of general types of non-standard products);
- specification of equipment, products and materials;
- questionnaires and dimensional drawings*;
- local estimate*.
* Perform if necessary.
4.3 The main set of working drawings of the OB brand includes:
- general data on working drawings;
- drawings (plans, sections and diagrams) of systems;
- drawings (plans and sections) of system installations.
The main set of working drawings of the OV brand may also include working drawings of heating points with a coolant input diameter of up to 150 mm.
4.4 Each system is assigned a designation consisting of a brand (Table 1) and a serial number of the system within the brand.
Example - P1, P2.
System installations are assigned the same designations as the systems they are part of.
4.5 Elements of heating systems are assigned designations consisting of a brand (Table 2) and the serial number of the element within the brand.
Example - St1, St2.
It is allowed to index the risers of heating systems in capital letters within the designation of the riser.
Example - St2A, St2B.
Table 1

GOST 21.602-2003

INTERSTATE STANDARD

DESIGN DOCUMENTATION SYSTEM
FOR CONSTRUCTION

EXECUTION RULES

INTERSTATE SCIENTIFIC AND TECHNICAL COMMISSION
ON STANDARDIZATION AND TECHNICAL REGULATION
IN CONSTRUCTION (MNTKS)

Moscow

Preface

1 DEVELOPED by the Federal State Unitary Enterprise "Design, Design and Research Institute "SantehNIIproekt" (FSUE SantekhNIIproekt) and the Federal State Unitary Enterprise "Center for Methodology of Standardization and Standardization in Construction" (FSUE CNS)

INTRODUCED by the State Construction Committee of Russia

2 ADOPTED by the Interstate Scientific and Technical Commission for Standardization and Technical Regulation in Construction on October 18, 2002.

State name	Name of the state construction management body
The Republic of Azerbaijan	State Construction Committee of the Azerbaijan Republic
Republic of Armenia	Ministry of Urban Development of the Republic of Armenia
The Republic of Kazakhstan	Kazstroykomitet
Republic of Kyrgyzstan	State Commission for Architecture and Construction under the Government of the Kyrgyz Republic
The Republic of Moldova	Ministry of Ecology, Construction and Territorial Development of the Republic of Moldova
Russian Federation	Gosstroy of Russia
The Republic of Tajikistan	Komarchstroy of the Republic of Tajikistan
The Republic of Uzbekistan	State Committee for Architecture and Construction of the Republic of Uzbekistan Ukraine State Construction Committee of Ukraine

GOST 21.602-2003

INTERSTATE STANDARD

System of design documents for construction

EXECUTION RULES
WORKING DOCUMENTATION FOR HEATING,
VENTILATION AND AIR CONDITIONING

System of design documents for construction.
Rules for execution of working documentation of heating, ventilation
and air conditioning

Date of introduction 2003-06-01

1 area of use

This standard establishes the composition and rules for the preparation of working documentation for heating, ventilation and air conditioning systems of buildings and structures for various purposes.

2 Normative references

This standard uses references to the following standards:

GOST 2.316-68 ESKD. Rules for applying inscriptions, technical requirements and tables on drawings

GOST 2.782-96 ESKD. Conventional graphic designations. Hydraulic and pneumatic machines

GOST 2.785-70 ESKD. Conventional graphic designations. Pipeline fittings

GOST 21.101-97 SPDS. Basic requirements for design and working documentation

GOST 21.110-95 SPDS. Rules for fulfilling the specifications of equipment, products and materials

GOST 21.112-87 SPDS. Lifting and transport equipment. Conditional images

GOST 21.114-95 SPDS. Rules for making sketch drawings of general types of non-standard products

GOST 21.205-93 SPDS. Symbols for elements of sanitary systems

GOST 21.206-93 SPDS. Pipeline symbols

GOST 21.404-85 SPDS. Automation of technological processes. Symbols of devices and automation equipment in diagrams

GOST 21.501-93 SPDS. Rules for the execution of architectural and construction working drawings

GOST 3262-75 Steel water and gas pipes. Specifications

3 Definitions

For the purposes of this standard, the following definitions apply:

3.1 system: A set of functionally interconnected equipment, installations (units), devices, products, pipelines and (or) air ducts (for example, supply system P1, exhaust system B1, heating system 1, heat supply system for installations P1 - P3).

3.2 systems drawing: A drawing defining the relative location of functionally interconnected equipment, installations (units), pipelines and (or) air ducts and other parts of the systems being designed.

3.3 installation: Conventional name of a complex of interconnected equipment and (or) devices, and, if necessary, pipelines (air ducts) connected to the system installation equipment (for example, installation of the supply system P1, installation of the exhaust system B1).

3.4 installation drawing: A drawing containing a simplified image of installations, defining their design, dimensions, relative position and designation of installation elements and other necessary data.

3.5 The terms used in this standard according to GOST 21.110 and GOST 21.114 are given in the appendix.

4 General provisions

4.1 Working documentation for heating, ventilation and air conditioning is carried out in accordance with the requirements of this standard, GOST 21.101 and other interrelated standards of the Design Documentation System for Construction (SPDS).

4.2 The working documentation of heating, ventilation and air conditioning systems (hereinafter referred to as systems) includes:

Working drawings intended for construction and installation work (basic set of working drawings of the OV brand);

Sketch drawings of general types of non-standard products, structures, devices, mounting blocks (hereinafter referred to as sketch drawings of general types of non-standard products);

Specification of equipment, products and materials;

Questionnaires and dimensional drawings*;

Local estimate*.

* Perform if necessary.

4.3 The main set of working drawings of the OB brand includes:

General data on working drawings;

Drawings (plans, sections and diagrams) of systems;

Drawings (plans and sections) of system installations.

The main set of working drawings of the OV brand may also include working drawings of heating points with a coolant input diameter of up to 150 mm.

4.4 Each system is assigned a designation consisting of a brand (table ) and the serial number of the system within the brand.

Example - P1, P2.

System installations are assigned the same designations as the systems they are part of.

4.5 Elements of heating systems are assigned designations consisting of a brand (table) and the serial number of the element within the brand.

Example - St1, St2.

It is allowed to index the risers of heating systems in capital letters within the designation of the riser.

Example - St2A, St2B.

Table 1

Name of systems and system installations
With mechanical urge:
supply systems, system installations
exhaust systems, system installations
air curtains
heating units
With natural urge:
supply systems
exhaust systems

table 2

4.6 Hatches for measuring air parameters are designated by the brand “LP”, hatches for cleaning air ducts - by the brand “LV”.

4.7 Pipelines and their elements in the drawings are indicated by conventional graphic symbols and (or) simplified images in accordance with GOST 21.206. When constructing pipelines in a simplified manner, as a rule, the general designations provided for by GOST 21.206 are used (Table 1, paragraphs 6a and 7a).

Graphic designations of individual pipeline elements (an isolated section of a pipeline, a pipeline in a pipe (case), a pipeline in a gland, a water seal, a compensator, a shock-absorbing insert, a resistance point in the pipeline (throttle washer), a pipeline support (suspension)) are taken according to Table 6 of GOST 21.205.

Alphanumeric designations of pipelines are accepted according to table 8 GOST 21.205.

4.8 Graphic designations of elements of general use (filter, heater, cooler, heat exchanger, air dryer, air humidifier, condensate drain, selection device) are taken according to Table 1 GOST 21.205.

Graphic designations of heating system elements (smooth heating pipe, smooth pipe register, ribbed heating pipe, ribbed pipe register, heating convector, heating radiator, ceiling heating device, air heating unit, mud pan) are accepted according to Table 3 GOST 21.205.

Graphic designations of elements of ventilation and air conditioning systems (air duct, hole (grid) for air intake (exhaust), air distributor, local exhaust (suction, shelter), deflector, umbrella, damper (valve), damper, check valve, fire-retarding valve, hatch for measurements of air parameters and (or) cleaning of air ducts, ventilation shaft passage unit, supply ventilation chamber (air conditioner), noise muffler, underground duct) are taken according to Table 3 of GOST 21.205.

Graphic designations for the direction of flow of liquid, air and drive elements are taken according to table 4 GOST 21.205, tanks, pumps and fans - according to table 5 GOST 21.205, pipeline fittings - according to table 7 GOST 21.205.

Instead of the graphic designation of the axial fan given in the table, paragraph 66 of GOST 21.205, the designation according to the table * should be adopted.

* The designation is adopted according to GOST 2.782.

Table 3

Examples of images of an axial fan on a diagram made in an axonometric projection are shown in the figure.

Picture 1

4.9 Conventional graphic images of the main lifting and transport equipment are taken in accordance with GOST 21.112 and are made to the scale of the drawing.

Lifting and transport equipment, the conventional graphic images of which are not given in the specified standard, are depicted in a simplified manner by analogy, taking into account the design features of the specific equipment.

4.10 When depicting a pipeline in a drawing (diagram), alphanumeric designations are indicated on the shelves of leader lines in accordance with the drawing and (or) in breaks in pipeline lines in accordance with the figure b.

Figure 2

4.11 When indicating the diameter size, the sign “Æ " The designation of the diameter of the pipeline or air duct is applied on the shelf of the leader line in accordance with the figure A.

In the case when the alphanumeric designation of the pipeline is applied on the leader line flange, the diameter of the pipeline is indicated under the leader line flange in accordance with Figure b, c.

Figure 3

For pipelines made of steel water and gas pipes (GOST 3262), the nominal diameter and wall thickness are indicated. For pipelines made of electric-welded steel pipes, the outer diameter and wall thickness are indicated. For pipelines made from other pipes, similar information is indicated in accordance with the requirements of pipe standards (range, technical specifications).

In the designation of the cross-section of rectangular air ducts marked on the plan of system drawings and located in a horizontal plane, the first number indicates its width, the second - its height.

4.12 Examples of constructing conventional graphic symbols of system elements are given in Appendix A of GOST 21.205.

Examples of constructing symbols and simplified graphic images of system elements in diagrams performed in axonometric projections are given in Appendix B of GOST 21.205.

4.13 Symbols of devices, automation equipment and communication lines should be taken according to GOST 21.404.

An example of a schematic flow diagram of a ventilation system indicating instruments, automation equipment and communication lines is given in Appendix B of GOST 21.205.

The letter designations of measured quantities and functional characteristics of devices indicated in the diagram and table (Appendix B GOST 21.205) are adopted in accordance with GOST 21.404.

Examples of letter designations of measured quantities (GOST 21.404) are given in the table.

Examples of letter designations of functional characteristics of devices (GOST 21.404) are given in the table.

Table 4

Table 5

Table 6

Image name	Scale
1 Layout diagram of system installations	1:400; 1:800
2 Plans and sections of system drawings	1:50; 1:100; 1:200
3 Diagrams of systems in axonometric projection	1:50; 1:100; 1:200
4 Plans and sections of system installation drawings	1:50; 1:100
5 Fragments of plans and sections of system drawings	1:50; 1:100
6 Nodes of plans and sections of system drawings	1:20; 1:50
7 Nodes of plans and sections of system installation drawings	1:20
8 Nodes in detail	1:2; 1:5; 1:10
9 Nodes of system diagrams in axonometric projection	1:10; 1:20; 1:50
10 Sketch drawings of general types of non-standard products	1:5; 1:10; 1:20; 1:50; 1:100

4.15 If an image (for example, a plan of drawings of ventilation systems) does not fit on a sheet of the accepted format, then it is divided into several sections, placing them on separate sheets (GOST 21.101).

4.16 When performing working documentation for heating and ventilation systems, one should also be guided by the requirements of the standards of the Unified System of Design Documentation (ESKD), given in Appendix 3 of GOST 21.101, which complement and do not contradict the standards of SPDS and this standard.

If necessary, use separate symbols established by ESKD standards (classification group 7), if these symbols are not provided for by GOST 21.205 (for example, the designation of an automatic air valve (plunger) according to GOST 2.785, the designation of a pump based on functional characteristics, according to GOST 2.782).

4.17 On drawings and diagrams, the sign “Ð ", the acute angle of which should be directed towards the slope. The slope value is indicated as a decimal fraction accurate to the third digit.

The slope designation is applied directly above the contour line (Figure a) or on the shelf of the leader line (Figure b).

Figure 4

4.18 The list of permitted word abbreviations is given in GOST 2.316 and GOST 21.101.

4.19 On sections (sections) of drawings of systems (installations) and diagrams made in axonometric projection, marks (GOST 21.101) are indicated on extension lines (Figure a) and (or) contour lines in accordance with Figure b.

On plans of drawings of systems (installations), marks are indicated in a rectangle in accordance with figure c.

Drawing 5

5 General information on working drawings

5.1 The composition of general data on working drawings ( GOST 21.101 ) heating, ventilation and air conditioning systems include:

a) list of working drawings of the main set;

b) list of reference and attached documents;

c) list of main sets of working drawings;

d) symbols;

e) general instructions;

f) layout diagram of system installations;

g) characteristics of systems;

i) main indicators according to the working drawings of the OV brand.

5.2 List of working drawings of the main set (item, listing A) are compiled according to form 1 GOST 21.101.

5.3 List of references and attached documents (item, listing b) are compiled according to Form 2 GOST 21.101.

5.4 List of main sets of working drawings (item, listing V) are compiled according to Form 2 GOST 21.101 in the presence of several main sets of working drawings of the OV brand and are shown on the general data sheet for each of these sets.

5.5 On the general data sheet for working drawings, symbols are given (clause, listing G), not established by state standards, the values of which are not indicated on other sheets of the main set of working drawings of the OB grade.

5.6 In general instructions (, listing d) give:

Basis for the development of working drawings of the OB brand (design assignment, approved feasibility study (project) of construction, approved (approved) justification for investments in construction for technically simple objects);

A record of the results of testing for patentability and patent purity of processes, equipment, devices, structures, materials and products used for the first time or developed in the project, as well as the numbers of copyright certificates and applications for which decisions were made to issue copyright certificates for inventions used in the working documentation;

A record that the working drawings have been developed in accordance with applicable codes, regulations and standards;

Information about who owns this intellectual property (if necessary);

Calculated parameters of external and internal air;

Data about the coolant, refrigerant (name, flow, parameters);

Requirements for manufacturing, installation, testing, anti-corrosion protection, thermal and fire insulation, fire-retardant coating of air ducts and pipelines, as well as the composition of insulating structures;

Special requirements for installations (explosion safety, acid resistance, etc.);

List of types of work for which it is necessary to draw up inspection reports for hidden work.

In general instructions, you should not repeat the technical requirements placed on other sheets of the main set of working drawings of the OB brand, and give a description of the technical solutions adopted in the working drawings.

5.7 On the layout diagram of system installations (item, listing e) apply:

Outline of the building (structure);

Coordination axes of the building (structure) and general dimensions between the extreme coordination axes;

System installations;

Coolant input;

Thermal point.

System installations on the plan diagram are depicted by dots with a diameter of 1 - 2 mm, indicating on the shelf a leader line indicating the installation designation and under the shelf - the number of the sheet on which the installation drawing is shown.

The name of the plan diagram for the placement of system installations is indicated in abbreviation - “Plan diagram”.

An example of a layout plan for system installations is given in the Appendix.

5.8 Characteristics of systems (item, listing and) are performed in the form of a table according to the form. If there are no certain types of equipment in the systems, the corresponding columns are excluded from the table.

If the table is divided into parts, then at the beginning of each subsequent part the column “System designation” is placed.

In standard projects, the characteristics of air heaters and, if necessary, other equipment are indicated for the design outdoor air temperatures adopted by the project.

5.9 Main indicators according to the working drawings of the OV brand (clause, listing And) are performed in the form of a table according to the form. If necessary, additional columns are included in the table (for example, specific heat consumption).

6 System drawings

6.1 Plans and sections of system drawings

6.1.1 Images - plans and sections, fragments of plans and sections and nodes (details) on system drawings are made to scale.

6.1.2 Plans for drawings of heating systems (heat supply to installations) may be combined with plans for drawings of ventilation and air conditioning systems. Sections of drawings of heating systems, as a rule, should be combined with sections of drawings of ventilation and air conditioning systems.

6.1.3 Deflectors, roof fans and other system elements located on the roof of a building are usually marked with a thick dash-dotted line (superimposed projection) on the plan drawings of the systems of a single-story building or the top floor of a multi-story building. In this case, complex ventilation installations (for example, air conditioners, supply and (or) exhaust units) located on the roof of the building should be carried out on a separate roof plan. An example of an image of a deflector (BE1 system) located on the roof of a building, on the plan of drawings of the systems of a one-story building, is shown in the figure.

6.1.4 In case of a complex multi-tiered arrangement of air ducts and other elements of ventilation and air conditioning systems on one floor, plans are made at different levels within the floor to illustrate their relationships.

6.1.5 Pipelines made with conventional graphic symbols (in one line) in accordance with GOST 21.206 and located one above the other in the same plane (Figure a), on plans of drawings of systems they are conventionally depicted by parallel lines in accordance with Figure b .

6.1.6 Elements of heating and heat supply systems of installations, except equipment, are indicated on plans and sections of drawings of systems with conventional graphic symbols; elements of ventilation and air conditioning systems, as well as equipment of heating and heat supply systems of installations (for example, heating units, pumps) - in the form of simplified graphic images.

Figure 6

Figure 7

6.1.7 On fragments of plans, sections and assemblies (remote elements), pipelines, fittings and other devices are depicted in simplified or conventional graphic symbols, depending on the scale of the drawing and the diameter of the pipeline. Pipelines with diameters of 2 mm or more in the drawing are depicted in a simplified manner with two lines. When a pipeline is constructed in a simplified manner with two lines, fittings and other devices are also depicted in a simplified manner, taking into account their overall dimensions (Figure ).

Incision

Figure 8

On fragments of plans, sections and nodes (extension elements), the intersection of pipelines without a connection, as well as pipelines located above each other in the same plane and made with conventional graphic symbols (in one line), are depicted in accordance with the figure.

Figure 9

6.1.8 On plans and sections of drawings of systems, the following is applied and indicated:

Coordination axes of a building (structure) and the distances between them (for residential buildings - the distances between the axes of sections);

Building structures, technological equipment with local suction, as well as border (adjacent) other utilities and equipment that affect the laying of pipelines (air ducts) systems;

Markings of clean floors of floors and main areas;

Dimensional references of system installations, air ducts, main pipelines, process equipment, fixed supports and compensators to the coordination axes or structural elements of the building (structure);

Designations of systems (system installations);

Designations of risers, compensators, horizontal branches of heating systems.

The plans, in addition, indicate the names of premises (types of premises - for residential buildings) and categories of premises according to explosion and fire hazard (in a rectangle of size 5´ 8 mm), and on the sections - level marks of the axes of pipelines and round air ducts, the bottom of rectangular air ducts, support structures of system installations, the top of exhaust air ducts of exhaust systems.

It is allowed to list the names of premises and categories of premises according to explosion and fire hazards in the explication of premises in Form 2 GOST 21.501.

Examples of plans and sections of system drawings are given in the appendix.

6.1.9 In standard projects (standard design solutions) of buildings and structures for two or more design temperatures of outside air and (or) for two or more floors, the floor number, design temperature of outside air, data on heating devices indicated on the plans are given in table (figure).

If there are several tables in the drawing, it is allowed to give the name of the column only on one of them (Figure).

In standard projects (standard design solutions) of buildings and structures for two or more design temperatures of outside air, the diameters of pipelines, if necessary, are indicated in the table.

Figure 10

Figure 11

If there are several tables in the drawing, it is allowed to give the name of the column only on one of them, as well as exclude individual columns of repeating indicators (Figure).

Figure 12

6.1.10 On the sheet of plans for system drawings, place a table of local suction from process equipment, made in the form. It is allowed to provide a table of local suctions on separate sheets.

6.1.11 On plans, sections and their fragments, equipment, installations, air ducts, pipelines and other elements of systems are depicted with a thick main line.

Building structures and technological equipment, as well as border (adjacent) other engineering communications that affect the laying of pipelines (air ducts) systems (p.), are depicted in plans, sections and their fragments in a simplified way with a thin line.

6.1.12 In the names of plans of system drawings, indicate the mark of the finished floor of the floor or the floor number.

Example - Plan at elevation. 0.000; Plan at elevation +3,600; 4th floor plan.

The names of sections of system drawings indicate the designation of the corresponding cutting plane.

Example - Section 1 - 1.

When two or more plans are executed at different levels within a floor, the names of the plans indicate the designation of the horizontal section plane of the systems.

Example - Plan 3 - 3.

When executing a part of a plan, the name indicates the axes that limit this part of the plan.

Example - Plan at elevation. 0.000 between axes 1 - 8 and A - D.

6.2 System diagrams

6.2.1 System diagrams and nodes (extension elements) of diagrams are performed in an axonometric frontal isometric projection on a scale. For small buildings, the scale of system diagrams is 1:50.

6.2.2 On diagrams, system elements are usually indicated by conventional graphic symbols. If necessary, individual elements of the system on the diagram, performed in an axonometric projection, are depicted in a simplified form in the form of contour outlines (GOST 21.205, appendix).

6.2.3 If the air ducts and pipelines are long and/or complex, it is allowed to depict them with a break in the form of a dotted line. Places of ruptures in air ducts and pipelines are indicated in lowercase letters (Figure).

Figure 13

6.2.4 On the diagrams of heating systems (heat supply of installations) indicate:

Pipelines and their diameters;

Graphic designation of isolated sections of the pipeline (if necessary);

Alphanumeric designations of pipelines;

Level marks for pipeline axes;

Pipeline slopes;

Dimensions of horizontal sections of pipelines (if there are breaks);

Fixed supports, compensators and non-standard fasteners indicating the element designation on the leader line on the shelf and the document designation under the shelf;

Shut-off and control valves indicating on the shelf the leader line of the diameter (type) of the valve and under the shelf - the designation of the valve according to the catalog (document designation);

Risers (horizontal branches) of heating systems and their designations;

Heating appliances;

The number of radiator sections, the number and length of finned pipes, the number of pipes in the register and the length of the register of smooth pipes or register designation, as well as designation (type) for other heating devices. For simple heating systems, information on heating devices is not given in the diagram (for example, in the diagram of a heating system of a building of a simple shape with a single-row (in plan and height) installation of heating devices);

System installation designations;

Embedded structures (selection devices for installing instrumentation) indicating the designation and document. Embedded structures on pipelines and other system elements are indicated by dots with a diameter of 2 mm;

Instrumentation (if necessary) and other system elements. In this case, the letter designations of the measured quantities and functional characteristics of devices (items) are adopted in accordance with GOST 21.404.

Pipelines and other elements of heating systems (heat supply to installations) are depicted in the diagrams with a thick main line.

Examples of diagrams of heating systems and heat supply installations are given in the appendix.

6.2.5 For residential buildings, it is allowed to carry out heating system diagrams only for the underground part of the building. For the above-ground part of the building, diagrams of risers and, if necessary, wiring diagrams in the attic are made. When performing riser diagrams, the rules for executing the specified diagrams should be given on the diagram sheets.

6.2.6 On the sheet showing diagrams of heating systems and heat supply installations, as a rule, the following is given:

Diagrams of control units for heating systems and heat supply installations;

A table of compensator sizes made according to the form;

Units (remote elements) of heating systems and heat supply systems.

Dimensions of compensators, mm

Form 4

In the names of control units for heating systems and heat supply installations, the unit number is indicated.

Example - Control unit 1; Control node 2.

Examples of diagrams of control units for heating systems and heat supply installations are given in the appendix.

On control units for heating and heat supply systems, as well as on units (remote elements) of system diagrams for shut-off and control valves, the diameter (type) of the valve is indicated on the leader line shelf and under the shelf - the designation of the valve according to the catalog (document designation). Similar information is provided on the nodes for other elements of the system.

If necessary, a specification in accordance with Form 7 GOST 21.101 or drawings (plans, sections, diagram and specification) of the system control unit should be added to the diagram of the control unit for heating and heat supply systems.

An example of the implementation of a diagram of a node (extension element) of the system is given in the Appendix.

6.2.7 The diagrams of ventilation and air conditioning systems indicate:

Air ducts, their diameters (sections) and the amount of passing air in m 3 / h (Figure);

Graphic designation of isolated sections of the air duct (if necessary);

Graphic designation of air duct sections with fire retardant coating;

Level marks for the axis of round and bottom of rectangular air ducts;

Equipment for ventilation units;

Contours of technological equipment with local suction (in difficult cases);

Hatches for measuring air parameters and cleaning air ducts with an indication on the shelf of the leader line of the hatch brand (item) and under the shelf - the document designation (Figure);

Local suctions, their designations and document designations. For built-in local suction units supplied complete with technological equipment, the designation of the local suction unit and the designation of the document are not indicated;

Regulating devices, air distributors, non-standard fastenings (supports) and other elements of ventilation and air conditioning systems, indicating on the shelf a leader line designation of the system element and under the shelf - designation of the document. At the same time, for non-standard products on the shelf, leader lines indicate the name and alphanumeric designation of the product (item) and under the shelf - the designation of the sketch drawing.

Examples of ventilation system diagrams are given in the appendix.

Figure 14

Figure 15

6.2.8 In the name of the heating system diagram for two or more systems in a building, indicate the system number.

The designation of the installations is indicated in the name of the heat supply system diagram of the installations.

In the main inscription, the names of the diagrams of heating systems and heat supply installations are indicated in full.

Example - Heating system diagram 1; Diagram of the heat supply system for installations P1 - P3.

Above the diagrams, the names of the diagrams of heating systems and heat supply installations are indicated in abbreviated form.

Example - Heating system 1; Heat supply system for installations P1 - P3.

6.2.9 In the names of ventilation and air conditioning system diagrams, indicate the designations of the systems.

In the title block, the names of the ventilation and air conditioning system circuits are indicated in full.

Example - Schemes of systems P5, V8.

Above the diagrams, the names of the ventilation and air conditioning system diagrams are indicated in abbreviations.

Example - P5, B8.

7 System installation drawings

7.1 Drawings of installations of heating, ventilation and air conditioning systems (hereinafter referred to as installation drawings) should be made if there are two or more components (installation elements) in the installation, there is a need to show methods of fastening the installation components to each other or to supporting structures, there are no standard installation drawings or manufacturer's installation drawings. In other cases, installation drawings are not performed.

7.2 Images - plans, sections and assemblies (details) on installation drawings are made to scales.

7.3 On plans and sections of drawings of installations, elements of installations are depicted in a simplified manner. If it is necessary to show methods of fastening the components of an installation or connecting them to each other, the corresponding elements are depicted in detail, as a rule, on nodes (details) of plans and sections of installation drawings.

7.4 The rules for depicting pipelines, fittings and other devices on plans, sections and units (details) of installation drawings are accepted according to.

7.5 On plans and sections of installation drawings the following shall be marked and indicated:

Coordination axes of the building (structure) and the distances between them;

Markings of clean floors of floors (platforms);

Dimensional references of installations to coordination axes or to structural elements of a building (structure);

Main dimensions and level marks of installation elements;

Alphanumeric designations of pipelines;

Diameters (sections) of air ducts and pipelines;

Position designations of equipment, fittings, embedded structures and other devices.

On plans and sections of installation drawings, in addition to installation elements, building structures are indicated.

7.6 On plans, sections and units of installation drawings, equipment, installation structures, air cooler and air heater piping, fittings and other devices are depicted with a thick main line, building structures - with a thin line.

Air ducts located above the equipment (structures) of the installation are usually depicted on plans as a thick dash-dotted line (superimposed projection).

Examples of plans and sections of installation drawings are given in the Appendix.

7.7 If necessary, as part of the main set of working drawings of grade OV (item), drawings (plans, sections, assemblies (remote elements) and, as a rule, a schematic diagram) of the heating point are made in accordance with section. In this case, the schematic diagram is not drawn to scale; the actual spatial arrangement of equipment and pipelines is taken into account approximately.

Equipment, pipelines, fittings and other devices in the diagram are indicated by conventional graphic symbols. If necessary, the equipment in the diagram is depicted with simplified external outlines. Embedded structures (selection devices for installing control and measuring instruments) are indicated in the diagram by dots with a diameter of 2 mm.

The designed pipelines, fittings and other devices are shown in the diagram as a solid thick main line. Equipment, as well as pipelines, fittings and other devices supplied complete with the equipment or existing, are depicted with a solid thin line.

7.8 The following is indicated on the diagram:

Equipment, pipelines, fittings and other devices;

Instrumentation (if necessary). In this case, the letter designations of the measured quantities and functional characteristics of devices (items) are adopted in accordance with GOST 21.404;

Alphanumeric designations of pipelines, as a rule, in breaks in pipeline lines;

Pipeline diameters;

Position designations of equipment, fittings, embedded structures and other devices;

Direction of flow of the transported medium.

7.9 On the sheet showing the schematic diagram, if necessary, the nodes (extension elements) of the diagram and text explanations are given.

7.10 Elements of installations are assigned positional designations, consisting of the designation of the installation and the serial number of the element within the installation.

Example - P1.1, P1.2, V5.1, V5.2.

7.11 When making drawings of heating points as part of the main set of working drawings of grade OV ( ) they are considered as installation drawings. Each heating point (installation) is assigned a designation consisting of the brand “TP” and the serial number of the installation within the brand.

Example - TP1, TP2.

7.12 Elements of a heating point (installation) are assigned positional designations, consisting of the designation of the installation and the serial number of the element within the installation.

Example - TP1.1, TP1.2, TP2.1, TP2.2.

7.13 If necessary, technical requirements for installation of installations are shown on the installation drawings.

7.14 A specification is drawn up for the installation drawings in Form 7 GOST 21.101 and is placed, as a rule, on the sheet where the plans for the installation drawings are shown. It is allowed to carry out the specification on separate sheets.

7.15 The specification for installation drawings includes equipment, installation structures, fittings, embedded structures and other devices, as well as pipelines for each diameter.

Pipeline elements (bends, reducers, tees, crosses, flanges, bolts, nuts, washers, gaskets) are not included in the specification.

7.16 In the column “Pos.” indicate the positional designation of the product (the serial number of the product entry in the specification) within the brand of the installation.

For pipelines, the column is not filled in.

In the “Name” column, for each installation, write down the alphanumeric designation in the form of a title and underline it.

7.17 In the product specification, write down the groups in the following sequence:

Equipment;

Fittings;

Other products;

Embedded structures;

Pipelines for each diameter.

7.18 In the names of installations (in the main inscription) indicate the alphanumeric designations of installations by , .

Example - “Installation of P1, B1 systems.”

8 Sketch drawings of general types of non-standard products

8.1 Sketch drawings of general types of non-standard products (hereinafter referred to as sketch drawings) are carried out in accordance with GOST 21.114

8.2 Sketch drawings are developed for non-standard products that are not difficult to manufacture (structures, devices, mounting blocks (except for individually manufactured heating and ventilation equipment), structures for fastening pipelines, air ducts, etc.) in the absence of their mass production, standard documentation, standards or other documents for these products.

8.3 A sketch (group sketch) drawing defines the initial design of a non-standard product, contains a simplified image, basic parameters and technical requirements for the product in the amount of initial data (tasks) necessary for the development of design documentation.

The volume of initial data required for the development of design documentation for a non-standard product is established by the developer of the sketch drawing in accordance with the requirements of GOST 21.114.

8.4 The name of the non-standard product indicates the alphanumeric designation within each type of non-standard product. The product name, as a rule, does not include information about the purpose of the product and its location.

Example - Register made of smooth pipes GT1, Register made of smooth pipes GT2.

8.5 The names of the components of a non-standard product in the sketch drawing are indicated on the shelves of the leader lines. The approximate weight of the product is given in the technical requirements for the sketch drawing.

8.6 Sketch drawings are made to scales. It is allowed to make sketch drawings without exact adherence to scale, if this does not distort the clarity of the image and does not make the drawing difficult to read.

An example of a general sketch drawing of a non-standard product is given in Appendix B of GOST 21.114.

9 Specification of equipment, products and materials

9.1 The specification of equipment, products and materials (hereinafter referred to as the Specification) is carried out in accordance with GOST 21.110, taking into account the requirements of this standard.

9.2 If there is a part or structure attached to the production building (structure) in which auxiliary premises are located, the Specification is carried out in parts:

Production part;

Auxiliary part.

If a residential building has an extension or outbuilding in which public service enterprises are located, then the specification is also drawn up in parts:

Residential part;

Auxiliary part.

The name of each part is written as a heading in column 2 and underlined.

9.3 The specification or its parts are divided into sections:

Heating;

Heat supply for system installations;

Ventilation or ventilation and air conditioning (if equipped).

The name of each section is written as a heading in column 2 and underlined.

9.4 System elements (equipment, products) and materials in the Specification sections are recorded in groups in the following sequence:

in the sections "Heating" and " Heat supply for system installations»:

Heating equipment;

Pipeline accessories;

Other system elements;

Embedded structures (selection devices for installation of instrumentation);

Pipelines;

Materials.

Pipelines in the Specifications sections are recorded for each diameter. Pipeline elements (bends, reducers, tees, crosses, flanges, bolts, nuts, washers, gaskets) are not included in the Specification;

in the “Ventilation” section (“ Ventilation and air conditioning»):

Ventilation equipment;

Other system elements;

Embedded structures;

Air ducts;

Thermal insulation structures;

Materials.

Air ducts in the Specifications section are recorded for each diameter (section).

Elements of systems (equipment, products) and materials within the specified groups are placed in ascending order of their main parameters (for example, type, brand, diameter, section).

In column 2 “Name and technical characteristics” of the Specification, before the name of equipment, products and materials, indicate their serial number of entry in the Specification within the section. In this case, column 1 “Position” is not filled in.

An example of drawing up specifications for equipment, products and materials is given in the Appendix.

9.5 The following units of measurement are accepted in the Specifications:

Equipment (installations), fittings, air distributors, dampers, local suction (shelters), supports (fastenings) of pipelines and air ducts, embedded structures (selection devices for installing instrumentation) and other elements of systems - pcs.;

Radiators - sections/kW (pcs/kW);

Convectors, ribbed pipes, registers made of smooth pipes - pcs/kW;

Pipelines and air ducts - m;

Insulating materials - m 3;

Coating and protection materials - m2;

Other materials - kg.

10 Questionnaires and dimensional drawings

10.1 Questionnaires and dimensional drawings are made in accordance with the data of the equipment manufacturers and are completed in the form of a separate issue with the name “Questionnaires”.

The release “Questionnaires” is assigned an independent designation, consisting of the designation of the main set of working drawings of the OB brand and through the code point “OL”. The designation is indicated on the title page of the release of questionnaires.

Example - 2345-11-OV.OL.

10.2 After the title page of the release of questionnaires, the contents are placed. The content is carried out according to Form 2 GOST 21.101. The content is assigned a designation consisting of the designation of the release of questionnaires and the code “C”.

Example - 2345-11-OV.OLS.

Sheets of contents are decorated with the main inscription. On the first sheet of contents, the main inscription is made according to Form 5 GOST 21.101 and on subsequent sheets - according to Form 6 GOST 21.101. In column 5 of the main inscription indicate “Contents”.

In the content columns (Form 2 GOST 21.101) indicate:

In the “Designation” column - the designation or serial number of the questionnaire (dimensional drawing);

In the “Name” column - the name of the questionnaire (dimensional drawing) in full accordance with the name indicated on the questionnaire (dimensional drawing);

In the “Note” column - information about changes made to the questionnaires (dimensional drawings).

10.3 The name of the questionnaire (dimensional drawing) indicates the designation or serial number within the release.

10.4 Changes to questionnaires (dimensional drawings) are made in accordance with GOST 21.101, taking into account the additional requirements of this standard.

Changes to questionnaires (dimensional drawings) are made independently within each questionnaire (dimensional drawing).

Information about changes made to the questionnaires (dimensional drawings) is given in the “Note” column of the contents of the questionnaire release.

The change registration table (Form 10 GOST 21.101) is not fulfilled.

10.5 The release of questionnaires is recorded in the “Attached Documents” section of the list of reference and attached documents, which is included in the general data on the working drawings of the main set of grade OB.

APPENDIX A

(required)

Terms used in this standard

A.1 The terms used in this standard and their definitions are given in table.

Table A.1

Term	Definition	Document on which the definition is based
Specification of equipment, products and materials	Text design document defining the composition of equipment, products and materials intended for acquisition, preparation and implementation of construction	GOST 21.110
Sketch drawing of a general view of a non-standard product	A document defining the initial design of a non-standard product, containing a simplified image, basic parameters and technical requirements for the product in the amount of initial data (tasks) necessary for the development of design documentation	GOST 21.114
Group sketch drawing		GOST 21.114

APPENDIX B

(informative)

An example of a layout plan for system installations

B.1 An example of the layout of system installations is shown in the figure.

Figure B.1

APPENDIX B

(informative)

Examples of plans and sections of system drawings

B.1 Examples of plans for drawing systems are shown in the figures

GOST 602-2003

Group Zh01

INTERSTATE STANDARD

System of design documents for construction

RULES FOR EXECUTION OF WORK DOCUMENTATION

HEATING, VENTILATION AND AIR CONDITIONING

System of design documents for construction.

Rules for execution of working documentation of heating,

ventilation and air conditioning

OKS 01.100.30

OKSTU 0021

Date of introduction 2003-06-01

Preface

1 DEVELOPED by the Federal State Unitary Enterprise "Design, Design and Research Institute "SantehNIIproekt" (FSUE SantekhNIIproekt) and the Federal State Unitary Enterprise "Center for Methodology, Standardization and Standardization in Construction" (FSUE CNS)

INTRODUCED by the State Construction Committee of Russia

2 ADOPTED by the Interstate Scientific and Technical Commission for Standardization and Technical Regulation in Construction on October 18, 2002.


State name	Name of the state construction management body
The Republic of Azerbaijan	State Construction Committee of the Azerbaijan Republic
Republic of Armenia	Ministry of Urban Development of the Republic of Armenia
The Republic of Kazakhstan	Kazstroykomitet
Republic of Kyrgyzstan	State Commission for Architecture and Construction under the Government of the Kyrgyz Republic
The Republic of Moldova	Ministry of Ecology, Construction and Territorial Development of the Republic of Moldova
Russian Federation	Gosstroy of Russia
The Republic of Tajikistan	Komarchstroy of the Republic of Tajikistan
The Republic of Uzbekistan	State Committee for Architecture and Construction of the Republic of Uzbekistan
Ukraine	Gosstroy of Ukraine

3 INSTEAD GOST 21.602-79

4 ENTERED INTO EFFECT on June 1, 2003 as a state standard of the Russian Federation by Decree of the State Construction Committee of Russia dated May 20, 2003 N 39

A typo was made by the legal bureau "Kodeks"

1 area of use