Heating system project paperwork requirements. Heating, ventilation and air conditioning. Compensator dimensions, mm

GOST 21.602-2003

INTERSTATE STANDARD

System of design documents for construction

RULES FOR PERFORMANCE
WORKING DOCUMENTATION OF 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 design of working documentation for heating, ventilation and air conditioning systems for buildings and structures for various purposes.

2 Normative references

Throughout this standard, references are made to the following standards:

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

GOST 2.782-96 ESKD. Graphic designations. Hydraulic and pneumatic machines

GOST 2.785-70 ESKD. Graphic designations. Pipe fittings

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

GOST 21.110-95 SPDS. Rules for the implementation of the specification of equipment, products and materials

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

GOST 21.114-95 SPDS. Rules for the execution of sketch drawings of general views of atypical products

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

GOST 21.206-93 SPDS. Piping Symbols

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

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

GOST 3262-75 Steel water and gas pipes. Technical conditions

3 Definitions

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

3.1 system: A complex of functionally interconnected equipment, installations (blocks), 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 that determines the relative location of functionally interconnected equipment, installations (blocks), pipelines and (or) air ducts and other parts of the projected systems.

3.3 installation: The conventional name of the complex of interconnected equipment and (or) devices, and, if necessary, pipelines (air ducts) connected to the equipment of the system installation (for example, installation of the supply air 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

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 System of Design Documentation for Construction (SPDS).

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

Working drawings intended for the production of construction and installation works (the main set of working drawings of the OV brand);

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

Specification of equipment, products and materials;

Questionnaires and dimensional drawings *;

Local estimate *.

* Perform as needed.

4.3 The main set of working drawings of the OV brand include:

General data on working drawings;

Drawings (plans, sections and diagrams) of systems;

Drawings (plans and sections) of systems installations.

The main set of working drawings of the OV brand may also include working drawings of heating points with a coolant inlet 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 settings are assigned the same designations as the systems to which they are included.

4.5 Elements of heating systems are assigned designations consisting of the 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

table 2

4.6 The hatches for measuring the air parameters are marked with the “LP” brand, the hatches for cleaning the air ducts - with the “LV” brand.

4.7 Pipelines and their elements in the drawings are indicated with conventional graphic symbols and (or) simplified images in accordance with GOST 21.206. When performing 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 hydraulic seal, a compensator, an amortization insert, a place of resistance in a pipeline (a throttle washer), a support (suspension) of a pipeline) are taken according to table 6 of GOST 21.205.

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

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

Graphic designations of elements of heating systems (heating pipe smooth, register made of smooth pipes, heating pipe finned, register made of finned pipes, heating convector, heating radiator, ceiling heating device, air heating unit, mud collector) are taken according to table 3 GOST 21.205.

Graphic designations of the elements of ventilation and air conditioning systems (air duct, opening (grill) for air intake (exhaust), air distributor, local exhaust (suction, shelter), deflector, umbrella, damper (valve), gate, check valve, fire-retardant valve, hatch for measurements of air parameters and (or) cleaning of air ducts, a node of passage of ventilation shafts, a ventilation supply chamber (air conditioner), a noise muffler, an underground channel) are taken according to table 3 GOST 21.205.

Graphic designations of 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 shown in the table, paragraph 66 of GOST 21.205, the designation from the table * should be adopted.

* The designation is adopted in accordance with GOST 2.782.

Table 3

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

Picture 1

4.9 Conditional graphic images of the main handling equipment are taken in accordance with GOST 21.112 and performed on the scale of the drawing.

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

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

Picture 2

4.11 When specifying the size of the diameter in front of the dimension number, write 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 shelf, the pipeline diameter is indicated under the leader line shelf in accordance with Figure b, c.

Figure 3

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

In the designation of the section of rectangular ducts, plotted on the plan of the drawings of the systems and located in the horizontal plane, the first number indicates its width, the second - the height.

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

Examples of constructing symbols and simplified graphic representations 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 adopted according to GOST 21.404.

An example of the implementation of a basic technological scheme of a ventilation system with an indication of instruments, automation equipment and communication lines is given in Appendix B GOST 21.205.

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

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

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

Table 4

Table 5

Table 6

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

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

If necessary, use separate symbols established by the 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) in accordance with GOST 2.785, the designation of a pump based on functional characteristics, in accordance with GOST 2.782).

4.17 In the drawings and diagrams, in front of the dimension number that determines the value of the slope, the sign "Ð », The acute angle of which must be directed towards the slope. The value of the slope is indicated in the form of a decimal fraction with an accuracy of the third decimal place.

The designation of the slope 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 allowed word abbreviations is given in GOST 2.316 and GOST 21.101.

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

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

Drawing 5

5 General data on working drawings

5.1 The 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) a list of the main sets of working drawings;

d) conventions;

e) general instructions;

f) a plan of the arrangement of installations of systems;

g) characteristics of systems;

i) the 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 in form 1 GOST 21.101.

5.3 List of reference and attached documents (clause, listing b) are in form 2 GOST 21.101.

5.4 List of main sets of working drawings (item, enumeration v) are compiled in form 2 GOST 21.101 in the presence of several basic sets of working drawings of the OV brand and are given on the general data sheet of each of these sets.

5.5 On the general data sheet for working drawings, conventions 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 OV brand.

5.6 In general instructions (, enumeration d) lead:

Basis for the development of working drawings of the OV grade (design assignment, approved feasibility study (project) of construction, approved (approved) feasibility studies for investments in construction for technically simple objects);

A record of the results of checking for patentability and patent purity of processes, equipment, devices, structures, materials and products that are first used or developed in the project, as well as the number 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 are developed in accordance with applicable rules, regulations and standards;

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

Estimated parameters of outdoor and indoor air;

Data on the coolant, coolant (name, consumption, 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.);

The list of types of work for which it is necessary to draw up certificates of inspection of hidden works.

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

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

The outline of the building (structure);

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

System installations;

Heating agent inlet;

Heat point.

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

The name of the layout plan for the placement of installations of systems is indicated in abbreviated form - "Plan-layout".

An example of the implementation of the layout diagram of the system installations is given in the appendix.

5.8 Characteristics of systems (clause, listing f) are performed in the form of a table in the form. In the absence of certain types of equipment in the systems, the corresponding columns from the table are excluded.

If the table is divided into parts, then at the beginning of each subsequent part, the column "Designation of the system" is placed.

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

5.9 The main indicators according to the working drawings of the OV brand (item, enumeration and) are performed in the form of a table in 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 drawings of systems

6.1.1 Images - plans and sections, fragments of plans and sections and nodes (remote elements) in the drawings of systems are performed on a scale by.

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

6.1.3 Deflectors, roof fans and other elements of systems located on the roof of a building are applied, as a rule, with a thickened dash-dotted line (superimposed projection) on the plan of drawings of systems of a one-story building or the top floor of a multi-story building. In this case, complex ventilation units (for example, air conditioners, supply and (or) exhaust units) located on the roof of the building should be performed 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 systems of a one-story building, is shown in the figure.

6.1.4 With a complex multi-tiered arrangement of air ducts and other elements of ventilation and air conditioning systems in one floor, for clarity of their interconnections, plans are made at various levels within the floor.

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 the plans of the drawings of the 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 for equipment, on plans and sections of drawings of systems indicate with conventional graphic symbols, elements of ventilation and air conditioning systems, as well as equipment for heating and heat supply systems (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 nodes (remote elements), pipelines, fittings and other devices are depicted in simplified or conventional graphic designations depending on the scale of the drawing and the diameter of the pipeline. Pipelines, in which diameters in the drawing are equal to 2 mm or more, are depicted in a simplified manner by two lines. When performing a pipeline in a simplified 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 (remote 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, apply and indicate:

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

Building structures, technological equipment with local suction, as well as border (neighboring) other engineering communications and equipment affecting the laying of pipelines (air ducts) systems;

Marks of clean floors of floors and main areas;

Dimensional references of systems installations, air ducts, main pipelines, process equipment, fixed supports and expansion joints to coordination axes or structural elements of a building (structure);

System designations (system settings);

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 made of smooth pipes or the register designation, as well as the designation (type) for other heating devices;

Designations of risers, expansion joints, horizontal branches of heating systems.

In addition, the plans indicate the names of premises (types of premises - for residential buildings) and categories of premises for explosion and fire hazard (in a rectangle of size 5´ 8 mm), and in the sections - the marks of the levels of the axes of pipelines and round ducts, the bottom of rectangular ducts, supporting structures of installations of systems, the top of the exhaust ducts of exhaust systems.

It is allowed to name premises and categories of premises for explosion and fire hazard in the explication of premises in accordance with Form 2 GOST 21.501.

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

6.1.9 In standard projects (standard design solutions) of buildings and structures for two or more design outside air temperatures and (or) for two or more floors, the floor number, design outside air temperature, 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 graphs only on one of them (figure).

In standard projects (standard design solutions) of buildings and structures for two or more design temperatures of the outside air, the diameters of the 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 columns only on one of them, and also to exclude individual columns of repeating indicators (figure).

Figure 12

6.1.10 On a sheet of plans for drawings of systems, place a table of local suction from technological equipment, made in the form. It is allowed to give the table of local suction 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 (neighboring) other engineering communications, affecting the laying of pipelines (air ducts) of systems (p.), Are depicted in a simplified thin line on plans, sections and their fragments.

6.1.12 The names of the plans of the drawings of the systems indicate the mark of the finished floor of the floor or the number of the floor.

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

In the names of the sections of the drawings of the systems, the designation of the corresponding cutting plane is indicated.

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 plane of the horizontal section of the systems.

EXAMPLE Plan 3 - 3.

When a part of the plan is executed, 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 (remote elements) of the diagrams are performed in an axonometric frontal isometric projection on a scale of. For small buildings, the system diagrams are scaled to 1:50.

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

6.2.3 With a long length and (or) complex arrangement of air ducts and pipelines, it is allowed to depict them with a gap in the form of a dotted line. Places of ruptures in air ducts and pipelines are designated 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 of pipelines' axes;

Slopes of pipelines;

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

Fixed supports, expansion joints and atypical fasteners with an indication of the element designation on the shelf of the leader line and the designation of the document under the shelf;

Shut-off and control valves with an indication on the shelf of the leader line of the diameter (type) of the reinforcement and under the shelf - the designation of the reinforcement according to the catalog (designation of the document);

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

Heating devices;

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 made of smooth pipes or the register designation, as well as the designation (type) for other heating devices. For simple heating systems, information on heating devices is not shown on the diagram (for example, on the diagram of the heating system of a building of a simple form with a single-row (in plan and in height) installation of heating devices);

System settings designations;

Embedded structures (selective devices for the installation of instrumentation) with an indication of the designation of the structure and the document. Embedded structures on pipelines and other elements of systems are indicated by dots with a diameter of 2 mm;

Control and measuring devices (if necessary) and other elements of systems. In this case, the letter designations of the measured quantities and functional characteristics of devices (p.) Are taken 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 the implementation of schemes of heating and heat supply systems are given in the appendix.

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

6.2.6 On the sheet showing the diagrams of heating and heat supply systems of installations, as a rule, they give:

Schemes of control units for heating and heat supply systems;

A table of dimensions of expansion joints, made according to the form;

Nodes (remote elements) of schemes of heating systems and heat supply of installations.

Compensator dimensions, mm

Form 4

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

Example - Control unit 1; Control unit 2.

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

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

If necessary, to the diagram of the control unit for heating and heat supply systems of installations, the specification according to the form 7 GOST 21.101 or drawings (plans, sections, diagram and specification) of the control unit of systems are performed.

An example of the execution of the scheme of the node (remote 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 (cross-sections) and the amount of passing air in m 3 / h (figure);

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

Graphic designation of sections of the air duct with a fire retardant coating;

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

Ventilation equipment;

Loops 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 mark (p.) And under the shelf - the designation of the document (figure);

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

Regulatory devices, air distributors, non-standard mounts (supports) and other elements of ventilation and air conditioning systems with an indication of the designation of the system element on the shelf of the leader line and the designation of the document under the shelf. At the same time, for atypical products on the shelf of the leader line, indicate the name and alphanumeric designation of the product (item) and under the shelf - designation of the sketch drawing.

Examples of execution of schemes of ventilation systems 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 the building, indicate the system number.

In the name of the scheme of the heat supply system of installations, the designations of the installations are indicated.

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

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

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

Example - Heating system 1; Heat supply system of units P1 - P3.

6.2.9 In the names of ventilation and air conditioning systems, the designations of the systems are indicated.

In the main inscription, the names of the ventilation and air conditioning systems are indicated in full.

Example - Schemes of systems P5, B8.

Above the schemes, the names of ventilation and air conditioning systems are indicated in abbreviated form.

Example - P5, B8.

7 System installation drawings

7.1 Drawings of installations of heating, ventilation and air conditioning systems (hereinafter - drawings of installations) should be made if there are two or more component parts (installation elements) in the installation, the need to show how to attach the components of the installation to each other or to supporting structures, the absence of standard installation drawings or assembly drawings of the manufacturer. In other cases, the installation drawings are not performed.

7.2 Images - plans, sections and nodes (remote elements) in the drawings of installations are performed on a scale of.

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

7.4 The rules for the image of pipelines, fittings and other devices on plans, sections and nodes (remote elements) of drawings of installations are taken according to.

7.5 On the plans and sections of the drawings of installations, apply and indicate:

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

Marks of clean floors of floors (sites);

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

The main dimensions and level marks of the installation elements;

Alphanumeric designations of pipelines;

Diameters (cross-sections) of air ducts and pipelines;

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

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

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

The air ducts located above the equipment (structures) of the installation are usually depicted on the plans by a thickened dash-dotted line (superimposed projection).

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

7.7 If necessary, as part of the main set of working drawings of the OV brand (p.), Drawings (plans, sections, nodes (remote elements) and, as a rule, a schematic diagram) of the heat point are made in accordance with the section. In this case, the schematic diagram is performed without observing the scale, the actual spatial arrangement of equipment and pipelines is taken into account approximately.

Equipment, pipelines, fittings and other devices on 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 the installation of instrumentation) on the diagram are indicated by dots with a diameter of 2 mm.

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

7.8 The diagram applies and indicates:

Equipment, pipelines, fittings and other devices;

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

Alphanumeric designations of pipelines, usually at breaks in pipeline lines;

Diameters of pipelines;

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

The direction of flow of the transported medium.

7.9 On the sheet where the schematic diagram is shown, if necessary, the nodes (remote elements) of the diagram and text explanations are given.

7.10 The elements of installations are assigned reference designations, consisting of the designation of the installation by and the serial number of the element within the installation.

Example - P1.1, P1.2, B5.1, B5.2.

7.11 When executing, as part of the main set of working drawings of the OV brand, drawings of heat points ( ) they are considered as drawings of installations. Each heat point (installation) is assigned a designation consisting of the "TP" brand and the serial number of the installation within the brand.

Example - TP1, TP2.

7.12 The elements of the substation (installation) are assigned reference designations, consisting of the designation of the installation by and the serial number of the element within the installation.

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

7.13 On the drawings of the installations, if necessary, technical requirements for the installation of installations are given.

7.14 A specification is drawn up to the drawings of installations in accordance with Form 7 of GOST 21.101 and is usually placed on a sheet that shows plans for drawings of installations. It is allowed to carry out the specification on separate sheets.

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

Elements of pipelines (bends, transitions, tees, crosses, flanges, bolts, nuts, washers, gaskets) are not included in the specification.

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

For pipelines, the column is not filled in.

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

7.17 In the specification, the product is recorded in groups in the following sequence:

Equipment;

Armature;

Other products;

Embedded structures;

Pipelines for each diameter.

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

Example - "Installations of systems P1, B1".

8 Sketch drawings of general views of non-standard products

8.1 Sketch drawings of general types of non-standard products (hereinafter - sketch drawings) are performed in accordance with GOST 21.114

8.2 Sketch drawings are developed for uncomplicated atypical products (structures, devices, mounting blocks (except for heating and ventilation equipment of individual manufacture), structures for fastening pipelines, air ducts, etc.) in the absence of their serial 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 amount 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 an atypical product indicates an alphanumeric designation within each type of atypical product. The name of the product, as a rule, does not include information about the purpose of the product and its location.

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

8.5 The names of the constituent parts 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 carried out on a scale by. It is allowed to carry out sketch drawings without exact observance of the scale, if this does not distort the clarity of the image and does not complicate the reading of the drawing.

An example of a sketch drawing of a general view 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 an outbuilding attached to a production building (structure), in which auxiliary premises are located, the Specification is performed in parts:

Production part;

Auxiliary part.

If a residential building has an extension or annex 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 in the form of a heading in column 2 and underlined.

9.3 The specification or its parts are made up according to the sections:

Heating;

Heat supply of systems installations;

Ventilation or ventilation and air conditioning (if available).

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

9.4 Elements of systems (equipment, products) and materials in the sections of the Specifications are recorded in groups in the following sequence:

in the sections "Heating" and " Heat supply of systems installations»:

Heating equipment;

Pipeline accessories;

Other elements of systems;

Embedded structures (selective devices for the installation of instrumentation);

Pipelines;

Materials.

The pipelines in the Specifications sections are recorded for each diameter. Elements of the pipeline (bends, transitions, tees, crosses, flanges, bolts, nuts, washers, gaskets) are not included in the Specification;

in the section "Ventilation" (" Ventilation and air conditioning»):

Ventilation equipment;

Other elements of systems;

Embedded structures;

Air ducts;

Heat-insulating constructions;

Materials.

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

System elements (equipment, products) and materials within these 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 Specifications, before the name of equipment, products and materials, indicate their serial number of the entry in the Specification within the section. In this case, column 1 "Position" is not filled.

An example of drawing up a specification of equipment, products and materials is given in the appendix.

9.5 The Specifications take the following units of measurement:

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

Radiators - sections / kW (pcs / kW);

Convectors, ribbed pipes, smooth pipe registers - pcs / kW;

Pipelines and air ducts - m;

Insulating materials - m 3;

Coating and protection materials - m 2;

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 complete them as a separate issue with the name "Questionnaires".

The issue "Questionnaires" is assigned an independent designation, consisting of the designation of the main set of working drawings of the OV brand and through the cipher point "OL". The designation is indicated on the title page of the issue of questionnaires.

Example - 2345-11-OV.OL.

10.2 After the title page of the issue of questionnaires, place the content. The content is carried out in accordance with Form 2 of GOST 21.101. The content is assigned a designation consisting of the designation of the issue of questionnaires and the code "C".

Example - 2345-11-OV.OLS.

Sheets of contents are made out with a title block. On the first page of the content, the main inscription is made according to form 5 of GOST 21.101 and on subsequent sheets - according to form 6 of GOST 21.101. Column 5 of the title block indicates "Content".

In the columns of content (form 2 GOST 21.101) indicate:

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

In the column "Name" - the name of the questionnaire (outline drawing) in full accordance with the name indicated on the questionnaire (outline drawing);

Column "Note" - information about the changes made to the questionnaires (dimensional drawings).

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

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

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

Information about the changes made to the questionnaires (dimensional drawings) is given in the "Note" column of the content of the questionnaire issue.

The table for registering changes (form 10 GOST 21.101) is not performed.

10.5 Issue 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 the OV brand.

APPENDIX A

(required)

Terms used in this standard

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

Table A.1

APPENDIX B

(reference)

An example of the implementation of the layout diagram of the installation of systems

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

Figure B.1

APPENDIX B

(reference)

Examples of execution of plans and sections of drawings of systems

B.1 Examples of the execution of plans for drawings of systems are given in the figures

SNiPs are building codes and regulations of a technical, economic and legal nature, intended for the implementation and regulation of urban activities, engineering developments, architectural design and construction. They contain answers to questions on aspects of construction, provide detailed descriptions of the structure, calculation methods, materials, equipment requirements.

The main task of this document is to protect the rights and interests of citizens using construction products. The requirements of such technical documents should be minimal to the final result of the construction; this is not a detailed instruction for the direct fulfillment of the final goal. Here it is important to comply with all the norms for the comfortable consumption of the object by consumers, and the methods of achieving it may be different.

SNiPs cover all areas of construction from design to putting the house into operation, including heating, electricity, water supply, sewerage. If you do not use regulatory documents, then over time anything can happen to the object: cracks appear on the walls, the foundation will settle. An incorrectly sized and installed heating and water supply system can lead to poor water supply to upper floors or insufficient heat supply in winter. To avoid this, you must fully follow the rules of the document.

What SNiPs regulate heating issues

Federal state enterprise SantechNIIproekt with the participation of the Center for Methodology of Rationing and Standardization in Construction (FSUE CNS) developed SNiP 41-01-2003"Heating, ventilation and air conditioning" to replace the existing SNiP 2.04.05−91. This document was proposed by the Office of Technical Regulation, Standardization and Certification in Construction and Housing and Utilities of the State Construction Committee of Russia. It was adopted on July 26, 2003 and entered into force on January 1, 2004.

The provisions of the building codes of this document have legal and technical regulation for heat supply, heating, air conditioning and ventilation systems in buildings and structures.

1. with the introduction;
2. Areas of use;
3. normative references;
4. general links;

Requirements are also considered:

• to indoor and outdoor air;
• heat supply and heating;
• for ventilation, air conditioning and air heating;
• smoke protection in case of fire;
• cold supply;
• air release into the atmosphere;
• energy efficiency buildings;
• power supply and automation;
• space-planning requirements and design solutions;
• water supply and sewerage systems of heating, ventilation and air conditioning.

In the appendices, all the necessary calculations, coefficients, permissible deviations from the standards for all systems and equipment for them.

Normative references

• GOST 12.1.003−83 SSBT. Noise. General safety requirements.
• GOST 12.1.005−88 SSBT. General sanitary and hygienic requirements for the air of the working area
• GOST 24751–81. Air-handling equipment. Nominal dimensions of connection cross-sections
• GOST 30494–96. Residential and public buildings. Indoor microclimate parameters.
• SNiP 23-01-99 *. Building climatology
• SNiP 23-02-2003. Thermal protection of buildings
• SNiP 23-03-2003. Noise protection.
• SNiP 31-01-2003. Residential multi-apartment buildings. SNiP 31-03-2001 Industrial buildings
• SNiP 41-03-2003. Thermal insulation of equipment and pipelines
• SanPiN 2.2.4.548−96. Hygienic requirements for the microclimate of industrial premises
• SanPiN 2.1.2.1002-00. Sanitary and Epidemiological Requirements for Residential Buildings and Premises
• NPB 105-03. Determination of categories of premises, buildings and outdoor installations for explosion and fire hazard
• NPB 239−97. Air ducts. Fire test method
• NPB 241−97. Fire-prevention valves for ventilation systems. Fire test methods
• NPB 250−97. Elevators for transporting fire departments in buildings and structures. General technical requirements
• NPB 253−98. Smoke protection equipment for buildings and structures. Fans. Fire test methods
• PUE. Electrical installation rules

General Provisions

4.1. In buildings and structures provision should be made for:

• compliance with norms meteorological conditions and air purity in the serviced premises of residential, public (hereinafter - administrative and amenity buildings) in accordance with the current requirements of GOST 3034, SanPiN 2.1.2.1002;
• observance of the norms of meteorological conditions and air purity in the serviced working areas of production and laboratory premises with the requirements of GOST 12.1.005 (SanPiN);
• compliance with standards noise and vibration working equipment and systems of heat supply, heating, air conditioning, also from noise from external sources (SNiP 23-03). GOST 12.1.003 allows a noise of 110 dBA, with an impulse noise of 125 dBA for the operation of emergency ventilation systems and smoke protection systems;
• protection of the atmosphere from harmful substances emitted by ventilation;
• maintainability of systems such as ventilation, air conditioning, heating;
• explosion-fire security systems.

4.2. Materials used in systems of heating and ventilation equipment, air ducts, pipelines and thermal insulation structures should be used from those that allowed in construction.

4.3. Reconstruction and technical re-equipment of operating enterprises, residential, public and administrative buildings and amenity allows the use of existing heating, ventilation and air conditioning systems, if they meet technical and economic standards.

Safety in use

4.4.1. The heating system must be designed taking into account the requirements state supervision authorities for safety, as well as comply with the requirements of the instructions of enterprises - manufacturers of equipment and materials that do not contradict the rules and regulations.

4.4.2. The temperature of the coolant for heating systems and heat supply of air heaters by air handling units in the building should be taken lower by 20˚С self-ignition temperatures of materials that are in the room, taking into account provision 4.4.5. and not more than the maximum tolerance according to Appendix B.

If the water temperature in the heating system is higher than 105˚С, then provide measures to prevent water boiling.

4.4.3. The surface temperature of the heating equipment accessible to citizens should not be higher than 75 ° C, otherwise it should be protected to prevent burns, especially in child care facilities.

4.4.4. Thermal insulation heating and ventilation equipment, pipelines, internal heat supply systems, chimney ducts should provide for:

• warning from burns;
• security heat loss less permissible norms;
• exception moisture condensation;
• exclusion of freezing of the coolant in pipelines that are laid in unheated areas or specially cooled rooms;
• the temperature of the surface layer of the insulation must be less than 40˚С, according to SNiP 41-03.

4.4.5 It is not permissible to lay and facilitate the crossing in one channel of the pipeline for the internal heat supply of liquid, steam and gas with a vapor flash point of 170 ° C or less.

4.4.6 The air temperature at the exit from the air heating system should not exceed 70˚С. The calculation is carried out taking into account clause 5.6. Also it should be lower by at least 20˚С than the temperature of flammable gases, dust, vapors emitted in the room.

Heating systems

6.3.1. In heated rooms, it must be maintained normalized air temperature.

6.3.2. In buildings where there is no heating system, it is allowed to use local heating at workplaces and equipment repairs.

6.3.3. Stairwells do not need to be heated in the cases provided for by the SNiP regulation.

6.3.4. Heating is being designed subject to uniform heating and, taking into account the cost of heat for heating air, materials, equipment and others. A heat flux of 10 W per 1 square meter is taken as a unit. m.

Section 6.4 covers all requirements to heating pipelines, where they can be laid, where they cannot, they regulate the methods of laying, lay the service life into the project. Indicate the permissible error rates of the slopes of the pipes being laid for water, steam and condensate under various conditions of the direction of movement of steam and the speed of water.

Section 6.5 covers everything related to heating devices and fittings what radiators can be installed, wiring diagrams, locations, distance from walls.

Section 6.6 deals with all issues related to stove heating: in which buildings it is allowed, what are the requirements for furnaces, the temperature of their surfaces, sections and height of chimneys.

What are SNiP norms for?

All these standards were developed and are used in order to avoid man-made disasters in the form of gas explosions, wall cracks, building shrinkage, electrical wiring short-circuits, walls and ceilings collapse, and more. As for the heating system itself, the observance of the rules and regulations set out in SNiP 41-01-2003 is very important for maintaining air humidity in a room that is safe for human health.

Let's say you want to install radiators in your room. There are three ways to install radiators: side, diagonal, bottom connection. Having chosen the scheme, you can proceed with the installation, remembering everything SNiP recommendations and manufacturer:

Questions regarding the beginning and end of the heating season are studied in this article:

Installation of heating devices also regulated by SNiP.

The constant use of technical and regulatory documents GOST and SNiP is an integral part of the work of engineers, designers, estimators and installers. After all, the compliance of the project with the approved state standards and building codes is the key to a successful and high-quality work performed and, as a result, the presence of satisfied customers.

For a company specializing in the installation of heating systems, GOST and SNiP concerning heating should become reference books. No project can be completed without adhering to building standards. These documents reflect all the requirements for heating systems, methods for calculating heat supply and materials used, quality standards for equipment.

The main purpose of these documents is to protect citizens when using construction sites from the point of view of fire, sanitary and environmental safety, as well as to comply with the reliability and energy saving requirements for heat supply systems.

Ignoring GOST, SNiP, SP, GESN and VSN standards, building rules and regulations when performing work can lead to unexpected disastrous results. A heating system, calculated and installed without taking into account regulatory documents, can lead to insufficient thermal conductivity of the system, failure of heating equipment, smoke in the premises or high heating costs due to ineffectiveness of its operation. Accurate execution of the regulations of the document defining the order and methods of work execution will allow avoiding failures and breakdowns, as well as further unpleasant proceedings with the customer.

Regulatory documents such as GOST and SNiP, collected in one place, will greatly facilitate the work of the company when performing work on the calculations and installation of heating systems.

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

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

at the stage of developing the wiring diagram:
• cover and title page;
• a table of initial data for the design of a heating system;
• basic technical solutions of heating systems (summary);
• calculations are made that are not included in the design documentation:
  • performing a heat engineering calculation (determining the heat loss of a building);
  • calculation of the power of heating devices;
  • hydraulic calculation of heating lines and their elements;
  • calculation of the main heating equipment (boilers, boilers, etc.);
• main set of drawings:
  • placement of terminal equipment (heating devices and consoles);
  • placement of heating mains and their elements;
• specification of heating equipment without detailing;

to obtain a complete package of project documentation, i.e. creating a heating project, additionally being developed:
• are added to the main set of drawings:
  • areas of operation and maintenance of the main heating equipment;
  • detailing of the main heating equipment assemblies (piping of boilers, boilers and heating units);
  • block diagram of the main heating equipment;
  • detailing of the nodes of the terminal heating equipment system (drawing of collector cabinets, detailing of the boiler room and chimneys, connecting heating devices);
  • overall dimensions (diameters) and service areas of heating routes;
  • notes for the installation of the heating system;
  • heating system diagrams;
• are added to the explanatory note:
  • building heat demand table by system;
  • characteristics of the heating system (dimensions, energy consumption, etc.);
  • heating system automation design;
• task for related systems (integration table) - issued on demand if other companies are engaged 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 of the documents included in the heating project developed by our company are presented in the standard design for combined heating of a house.

Detailed composition of project documentation

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

We present this application in its entirety here.

Notes:

one asterisk means * - design of design documentation in accordance with GOST
two asterisks denote ** - in the volume and form determined by the Contractor
The designation "-" corresponds - the document is not included in the package of documents developed at this stage of the design
The designation "+" corresponds to - the document is present

Examples of projects with description

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

GOST 21.602-2003

GOST 21.602-2003
INTERSTATE STANDARD
PROJECT DOCUMENTATION SYSTEM
FOR CONSTRUCTION
RULES FOR PERFORMANCE

INTERSTATE SCIENTIFIC AND TECHNICAL COMMISSION
FOR STANDARDIZATION AND TECHNICAL REGULATION
IN CONSTRUCTION (MNTKS)
MOSCOW
Foreword
1 DEVELOPED by the Federal State Unitary Enterprise "Design, Design and Research Institute" SantekhNIIproekt "(FGUP SantekhNIIproekt) and the Federal State Unitary Enterprise" Center for Methodology for Standardization and Standardization in Construction "(FGUP TsNS)
INTRODUCED by Gosstroy of Russia
2 ADOPTED by the Interstate Scientific and Technical Commission for Standardization and Technical Regulation in Construction on October 18, 2002
Voted for the adoption of the standard:
Name of the state Name of the state construction management body
Azerbaijan Republic Gosstroy of the Azerbaijan Republic
Republic of Armenia Ministry of Urban Development of the Republic of Armenia
Republic of Kazakhstan Kazstroycommittee
Kyrgyz Republic State Commission on 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 Komarkhstroy of the Republic of Tajikistan
Republic of Uzbekistan Goskomarkhitektstroy of the Republic of Uzbekistan Ukraine Gosstroy of Ukraine
3 REPLACE GOST 21.602-79
4 PUT INTO EFFECT from June 1, 2003 as a state standard of the Russian Federation by the decree of the Gosstroy of Russia dated May 20, 2003 No. 39
CONTENT
1 Scope 2
2 Normative references 2
3 Definitions 3
4 General 3
5 General information on working drawings 7
6 System drawings 13
7 System installation drawings 21
8 Sketch drawings of general views 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 An example of the implementation of the layout diagram of the installation of systems 26
Appendix B Examples of execution of plans and sections of drawings of systems 26
Appendix D Examples of execution of schemes of heating and heat supply systems of installations 29
Appendix E Examples of execution of schemes of ventilation systems 32
Appendix E Examples of execution of plans and sections of drawings of installations of systems 34
Appendix G An example of drawing up a specification of equipment, products and materials 36
GOST 21.602-2003
INTERSTATE STANDARD
System of design documents for construction
RULES FOR PERFORMANCE
WORKING DOCUMENTATION OF 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 design of working documentation for heating, ventilation and air conditioning systems for buildings and structures for various purposes.
2 Normative references
Throughout this standard, references are made to the following standards:
GOST 2.316-68 ESKD. Rules for drawing inscriptions, technical requirements and tables on drawings
GOST 2.782-96 ESKD. Graphic designations. Hydraulic and pneumatic machines
GOST 2.785-70 ESKD. Graphic designations. Pipe fittings
GOST 21.101-97 SPDS. Basic requirements for design and working documentation
GOST 21.110-95 SPDS. Rules for the implementation of the specification of equipment, products and materials
GOST 21.112-87 SPDS. Lifting and transporting equipment. Conditional images
GOST 21.114-95 SPDS. Rules for the execution of sketch drawings of general views of atypical products
GOST 21.205-93 SPDS. Symbols of elements of sanitary systems
GOST 21.206-93 SPDS. Piping Symbols
GOST 21.404-85 SPDS. Automation of technological processes. Symbols of conventional devices and automation equipment in diagrams
GOST 21.501-93 SPDS. Rules for the implementation of architectural and construction working drawings
GOST 3262-75 Steel water and gas pipes. Technical conditions
3 Definitions
For the purposes of this standard, the following definitions apply:
3.1 system: A complex of functionally interconnected equipment, installations (blocks), 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 drawing of systems: A drawing that determines the relative location of functionally interconnected equipment, installations (blocks), pipelines and (or) air ducts and other parts of the designed systems.
3.3 installation: The conventional name of the complex of interconnected equipment and (or) devices, and, if necessary, pipelines (air ducts) connected to the equipment of the system installation (for example, installation of the supply air system P1, installation of the exhaust system B1).
3.4 drawing of installations: 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 Appendix A.
4 General
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 System of Design Documentation for Construction (SPDS).
4.2 The working documentation for heating, ventilation and air conditioning systems (hereinafter referred to as systems) includes:
- working drawings intended for the production of construction and installation works (the main set of working drawings of the OV brand);
- sketch drawings of general types of non-standard products, structures, devices, mounting blocks (hereinafter - sketch drawings of general types of non-standard products);
- specification of equipment, products and materials;
- questionnaires and dimensional drawings *;
- local estimate *.
* Perform as needed.
4.3 The main set of working drawings of the OV brand include:
- general data on working drawings;
- drawings (plans, sections and diagrams) of systems;
- drawings (plans and sections) of systems installations.
The main set of working drawings of the OV brand may also include working drawings of heating points with a coolant inlet 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 settings are assigned the same designations as the systems to which they are included.
4.5 Elements of heating systems are assigned designations consisting of a brand (table 2) and a serial number of an 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