GB/T 50106: Evolution and historical versions
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| GB/T 50106-2010 | English | RFQ |
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Standard for building water supply and drainage drawings
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GB/T 50106-2010
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| GB/T 50106-2001 | English | RFQ |
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Standard for water supply and drainage drawings
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GB/T 50106-2001
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PDF similar to GB/T 50106-2010
Basic data | Standard ID | GB/T 50106-2010 (GB/T50106-2010) | | Description (Translated English) | Standard for building water supply and drainage drawings | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P40 | | Word Count Estimation | 68,641 | | Date of Issue | 2010-08-18 | | Date of Implementation | 2011-03-01 | | Older Standard (superseded by this standard) | GB/T 50106-2001 | | Quoted Standard | GB/T 50001; GB 50140; GB/T 4457.4; GB 4457.5; GB/T 4458.2, | | Regulation (derived from) | Announcement of the Ministry of Housing and Urban-Rural Development, No. 746 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China | GB/T 50106-2010: Standard for building water supply and drainage drawings---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
1 General
1.0.1 This standard is formulated in order to unify the professional drawing rules of building water supply and drainage, ensure the quality of drawing, improve the efficiency of drawing, make the drawing clear and concise, meet the requirements of design, construction and archiving, and meet the needs of engineering construction.
1.0.2 This standard is applicable to drawings drawn by computer drawing and manual drawing.
1.0.3 This standard is applicable to the following engineering drawings of building water supply and drainage.
1 Design drawings and as-built drawings of each stage of new construction, reconstruction and expansion projects;
2 general design drawing, as-built drawing;
3 The measured drawings of the original buildings, structures and general drawings;
4 General design drawing, standard design drawing.
1.0.4 This drafting standard shall be used in conjunction with the current national standard GB/T 50001 "Unified Standards for Building and Architectural Drawing" according to the following provisions.
1 If there are provisions in this standard, it shall be implemented in accordance with this standard;
2 If there is no provision in this standard, but the current national standard "Unified Standard for Building and Architectural Drawing" GB/T 50001 has provisions, it should be implemented according to the relevant provisions of the current national standard "Unified Standard for Building and Architectural Drawing" GB/T 50001.
1.0.5 The professional drawing of building water supply and drainage shall not only comply with this standard, but also comply with the current relevant national standards.
2 Basic regulations
2.1 Graph line
2.1.1 The width b of the drawing line should be selected according to the type, proportion and complexity of the drawing, and in accordance with the provisions of the current national standard "Unified Standard for Building and Architectural Drawing" GB/T 50001.The line width b should be 0.7mm or 1.0mm.
2.1.2 For the professional drawing of building water supply and drainage, various line types commonly used should comply with the provisions in Table 2.1.2.
Table 2.1.2 Line type
2.2 Ratio
2.2.1 The commonly used proportions for building water supply and drainage professional drawing should comply with the provisions in Table 2.2.1.
Table 2.2.1 Common ratios
2.2.2 In the pipeline profile view, different combination ratios can be adopted for the vertical and longitudinal directions.
2.2.3 In the building water supply and drainage axonometric system drawing, if there is difficulty in local expression, the part may not be drawn to scale.
2.2.4 The cross-sectional diagram of the water treatment process and the expanded system diagram of the building's water supply and drainage pipelines may not be drawn to scale.
2.3 Elevation
2.3.1 Elevation symbols and general labeling methods shall comply with the provisions of the current national standard GB/T 50001 "Unified Standards for Building and Architectural Drawings".
2.3.2 The relative elevation should be marked for indoor projects; the absolute elevation should be marked for outdoor projects. When there is no absolute elevation information, the relative elevation can be marked, but it should be consistent with the general plan.
2.3.3 The elevation of the pipe center shall be marked for pressure pipes; the elevation of the inner bottom of the pipe (ditch) shall be marked for gravity flow pipes and ditches. The unit of elevation is measured in m, and can be written to the second decimal place.
2.3.4 The elevation shall be marked at the following positions.
1 Trench and gravity flow piping.
1) The starting point, changing diameter (dimension) point, changing slope point, passing through outer wall and shear wall should be marked in the building;
2) Need to control the elevation;
3) The pipelines in the community shall be implemented in accordance with Article 4.4.3, Article 4.4.4, and Article 4.4.5 of this standard;
2 Elevation control points in pressure flow piping;
3 Where pipes pass through exterior walls, shear walls, walls and floors of structures, etc.;
4 at different water levels;
5 Relevant elevations of civil engineering parts in buildings (structures).
2.3.5 The marking method of the elevation shall comply with the following regulations.
1 In the plan view, the pipeline elevation shall be marked in the manner shown in Figure 2.3.5-1;
2 In the plan view, the elevation of the ditch shall be marked in the manner shown in Figure 2.3.5-2;
3 In the sectional view, the elevation of the pipeline and water level shall be marked in the manner shown in Figure 2.3.5-3;
4 In the isometric drawing, the pipe elevation shall be marked in the manner shown in Figure 2.3.5-4.
Figure 2.3.5-4 Pipeline elevation standard method in isometric drawing
2.3.6 The pipes in the building can also be marked with the pipe elevation according to the elevation of the building floor plus the installation height of the pipes. The marking method should be H+×.××, and H represents the building ground elevation of the floor.
2.4 pipe diameter
2.4.1 The unit of pipe diameter shall be mm.
2.4.2 The expression method of pipe diameter shall meet the following requirements.
1 For water gas transmission steel pipes (galvanized or non-galvanized), cast iron pipes and other pipes, the pipe diameter should be expressed in nominal diameter DN;
2 For seamless steel pipe, welded steel pipe (straight seam or spiral seam) and other pipe materials, the pipe diameter should be represented by outer diameter D×wall thickness;
3 For pipes such as copper pipes and thin-walled stainless steel pipes, the pipe diameter should be represented by the nominal outer diameter Dw;
4 For plastic pipes for building water supply and drainage, the pipe diameter should be represented by the nominal outer diameter dn;
5 For reinforced concrete (or concrete) pipes, the pipe diameter should be represented by the inner diameter d;
6 For pipe materials such as composite pipes and structural wall plastic pipes, the diameter of the pipes shall be expressed in accordance with the method of product standards;
7 When the nominal diameter DN is used to indicate the pipe diameter in the design, there should be a comparison table between the nominal diameter DN and the corresponding product specifications.
2.4.3 The marking method of the pipe diameter shall comply with the following regulations.
1 For a single pipe, the pipe diameter shall be marked in the manner shown in Figure 2.4.3-1;
2 When pipelines are overstated, the pipe diameters shall be marked in the manner shown in Figure 2.4.3-2.
2.5 Numbering
2.5.1 When the number of water supply inlet pipes or drainage outlet pipes of a building exceeds one, they shall be numbered, and the numbering should be expressed in accordance with the method shown in Figure 2.5.1.
2.5.2 If the number of risers passing through floors in a building exceeds one, they shall be numbered, and the numbers should be expressed in accordance with the method shown in Figure 2.5.2.
2.5.3 In the general drawing, when there is more than one auxiliary structure of the same kind of water supply and drainage, it shall be numbered and shall comply with the following regulations.
1 The numbering method shall be represented by the structure code plus the number;
2 The numbering sequence of the water supply structures should be from the water source to the main pipe, then from the main pipe to the branch pipe, and finally to the user;
3 The numbering sequence of drainage structures should be from upstream to downstream, with main pipes first and branch pipes second.
2.5.4 When the number of electromechanical equipment in the water supply and drainage project exceeds one, it should be numbered, and there should be a comparison table between the equipment number and the equipment name.
3 Legend
3.0.1 The category of piping shall be expressed in Chinese Pinyin letters, and the legend of piping shall comply with the requirements in Table 3.0.1.
Table 3.0.1 Pipeline
3.0.2 The legend of piping accessories should meet the requirements of Table 3.0.2
Table 3.0.2 Pipe accessories
3.0.3 The legend of pipeline connection should meet the requirements of Table 3.0.3
Table 3.0.3 Pipe connections
3.0.4 The legend of pipe fittings should meet the requirements of Table 3.0.4
Table 3.0.4 Fittings
3.0.5 The legend of the valve should meet the requirements of Table 3.0.5
Table 3.0.5 Valves
3.0.6 The legend of water supply fittings should meet the requirements of Table 3.0.6
Table 3.0.6 Water supply accessories
3.0.7 The legend of fire protection facilities should meet the requirements of Table 3.0.7
Table 3.0.7 Fire-fighting facilities
3.0.8 The legends of sanitary equipment and pools should meet the requirements of Table 3.0.8.
Table 3.0.8 Sanitary equipment and pools
3.0.9 The legend of small water supply and drainage structures should meet the requirements of Table 3.0.9
Table 3.0.9 Small water supply and drainage structures
3.0.10 The legend of water supply and drainage equipment should meet the requirements of Table 3.0.10
Table 3.0.10 Water supply and drainage equipment
3.0.11 The legend of the instruments used in water supply and drainage should meet the requirements of Table 3.0.11
Table 3.0.11 Instruments
3.0.12 For the legends of piping, equipment and fittings not listed in this standard, designers can prepare and explain them by themselves, but they must not be repeated or confused with the relevant legends of this standard.
4 pattern drawing
4.1 General provisions
4.1.1 The layout specifications, fonts, symbols, etc. of the drawings shall comply with the relevant provisions of the current national standard GB/T 50001 "Unified Standards for Building and Architectural Drawings". Drawing lines, proportions, pipe diameters, elevations and legends shall comply with the relevant provisions of Chapter 2 and Chapter 3 of this standard.
4.1.2 The design should be represented by drawings, and text descriptions can be added when the drawings cannot be represented. The content expressed in the design drawings shall meet the design depth requirements of the corresponding design stage.
4.1.3 For design basis, piping system division, construction requirements, acceptance criteria and other contents that cannot be expressed in the drawing, it shall be explained in words according to the following regulations.
1 For issues related to the project, the design and construction instructions should be written on the first page or the second page during the construction drawing stage;
2 The local problems in the drawings shall be explained in the form of notes in this drawing;
3 The text description should be clear, concise and easy to understand.
4.1.4 The plane layout and section drawing of equipment and pipelines shall comply with the provisions of the current national standard "Unified Standards for Building and Architectural Drawings" GB/T 50001, and shall be drawn according to the direct orthographic projection method.
4.1.5 In engineering design, the professional drawings should be drawn separately. In the design drawings of the same engineering project, the legends, terms, graph lines, fonts, symbols, and drawing representation methods used should be consistent.
4.1.6 In the design drawings of the same engineering sub-project, the format specifications of the drawings used should be consistent. If there is any difficulty, there should not be more than 2 types of drawing format specifications.
4.1.7 Dimensions and units of measurement shall comply with the following regulations.
1 The number, arrangement, layout and labeling of dimensions in the drawings shall comply with the provisions of the current national standard GB/T 50001 "Unified Standards for Building and Architectural Drawings";
2 Dimensions such as the plan view, section view, detailed view, enlarged view, and pipe diameter of a single project shall be expressed in mm;
3 Elevation, distance, pipe length, coordinates, etc. should be measured in m, and the accuracy can be taken to cm.
4.1.8 The marking of elevation and pipe diameter shall comply with the following regulations.
1 The relative elevation of a single building shall be marked, and the conversion relationship between the relative elevation and the absolute elevation shall be indicated;
2.Absolute elevation should be marked on the general plan, and the elevation system should be indicated;
3 The pressure flow pipe shall be marked with the center of the pipe;
4 The gravity flow pipeline shall mark the inner bottom of the pipeline;
5 The pipe diameter of horizontal pipes should be marked on the top of the pipe; the pipe diameter of vertical pipes should be marked on the left side of the pipe; the oblique pipes should be marked according to the provisions of the current national standard "Unified Standards for Building and Architectural Drawings" GB/T 50001.
4.1.9 The format of the main equipment list in the engineering design drawings can be drawn according to Figure 4.1.9.
Figure 4.1.9 List of main equipment and equipment
4.2 Drawing number and layout of drawings
4.2.1 Design drawings should be numbered according to the following regulations.
1 The planning and design stage should be represented by Water Regulation-1, Water Regulation-2 and so on;
2 The preliminary design stage should be denoted by Shuichu-1, Shuichu-2 and so on;
3 The design stage of the construction drawing should be represented by water application-1, water application-2 and so on;
4 When there is only one drawing for a single project, it should be indicated by water initial-full and water application-full, and the words "all water application drawings are on this page" should be marked in the upper right corner of the frame line of the drawing (Figure 4.2.1);
5 In the construction drawing design stage, the common unified detailed drawings for each individual project of this project should be represented by Shuitong-1, Shuitong-2 and so on.
4.2.2 The catalog of design drawings should be prepared according to the following provisions.
1 The catalog of drawings for engineering design in the preliminary design stage should be compiled in units of engineering projects;
2 The catalog of drawings for engineering design in the construction drawing design stage should be compiled in units of individual projects of the project;
3 In the construction drawing design stage, the unified detailed drawings commonly used by each individual project of this project should be compiled separately.
4.2.3 Design drawings should be arranged according to the following provisions.
1 The catalog of drawings, the catalog of standard drawings used, the catalog of unified detailed drawings used, the list of main equipment and equipment, legends and design and construction instructions should come first, and the design drawings should follow;
2.When the catalog of drawings, the catalog of standard drawings used, the catalog of unified detailed drawings used, the list of main equipment and equipment, legends and design and construction instructions cannot be arranged in one drawing, separate drawings and numbering shall be made according to the order of the contents;
3 Design patterns should be arranged according to the following provisions.
1) The piping system diagram comes first, and the plan view, enlarged view, section view, axonometric drawing and detailed drawing follow in sequence;
2) The pipeline expansion system diagram shall be arranged in sequence according to domestic water supply, domestic hot water, direct drinking water, reclaimed water, sewage, waste water, rainwater, fire water supply, etc.;
3) In the plan view, the floors below the ground should be arranged in order, and the floors above the ground should be arranged in sequence from low to high;
4) The section diagram of the water purification (treatment) process flow comes first, and the plan, section, enlarged and detailed drawings of the water purification (treatment) machine room (structure) follow in sequence;
5) The general plan shall be arranged according to the pipeline layout diagram first, and the pipeline node diagram, valve well section schematic diagram, pipeline longitudinal section diagram or pipeline elevation table, and detailed diagrams shall be arranged in sequence.
4.3 Pattern Layout
4.3.1 When multiple drawings are drawn in the same drawing, they should be arranged according to the following regulations.
1 When there are multiple floor plans, they shall be arranged in the order of building levels from lower floors to upper floors, and from bottom to top;
2 When there are both plan views and section views, they shall be arranged in the order that the plan views are on the bottom and the section views are on the top or on the right;
3 The enlarged floor plan of the bathroom shall be arranged on the top according to the enlarged floor plan, and arranged from left to right, and the corresponding pipeline axonometric drawing shall be arranged on the bottom, arranged from left to right;
4 Installation drawings and detailed drawings should be numbered according to the index, and should be arranged in order from top to bottom and from left to right;
5 The catalog of drawings, the catalog of standard drawings used, design and construction instructions, legends, and lists of major equipment and equipment shall be arranged in order from top to bottom and from left to right.
4.3.2 The title of each drawing shall be marked under the drawing, and a medium-thick horizontal line shall be drawn under the title of the drawing, the length of which shall be equal to the length of the title of the drawing, and the proportion of the drawing shall be marked above the horizontal line on the lower right side of the drawing name.
4.3.3 When some problems in the drawings need to be explained in words, they should be written in the form of "notes" on the lower right part of the drawing, and the explanation content should be numbered in sections.
4.4 General drawing
4.4.1 The piping layout of the general plan shall meet the following requirements.
1 The names, shapes, numbers, coordinates, road shapes, proportions and drawing directions of buildings and structures should be consistent with the professional drawings of the general plan, but the drawing lines used should comply with the provisions of Section 2.1 of this standard.
2 Pipelines for water supply, drainage, hot water, fire protection, rainwater and reclaimed water should be drawn in one drawing.
3 When there are many types of pipelines and the terrain is complex, and it is not clear to express all the pipelines in the same drawing, it should be properly drawn separately according to the classification of pressure flow pipelines and gravity flow pipelines.
4 All kinds of pipelines, valve wells, fire hydrants (wells), water pump connectors, sprinkling hydrant wells, inspection wells, drop wells, rainwater outlets, septic tanks, grease traps, cooling pools, water meter wells, etc. Draw the legends and graph lines specified in Chapter 2 and Chapter 3, and number them according to the provisions of Article 2.5.3 of this standard.
5 The coordinate labeling method should meet the following requirements.
1) When positioning with absolute coordinates, the positioning coordinates should be marked for the center of the valve well, inspection well, etc. at the starting point, turning point and end point of the pipeline;
2) When positioning with relative coordinates, the outer wall or axis of the building should be used as the starting reference line for positioning, and the distance between the pipeline and the reference line should be marked;
3) For circular structures, coordinates should be marked with the center of the circle as the base point or the distance from the outer wall of the building (or the center of the road);
4) Rectangular structures should take the two diagonals as the base point, and mark the coordinates or the distance from the outer wall of the building;
5) Coordinate lines and distance marking lines are drawn with thin solid lines.
6 The elevation marking method shall meet the following requirements.
1) The elevation marked on the general drawing shall be the absolute elevation;
2) When marking the absolute elevation of the indoor ±0.00 of the building, it should be marked according to the method in Figure 4.4.1;
3) The elevation of the pipeline shall be marked according to the provisions of Article 4.4.3 of this standard.
7 The pipe diameter labeling method shall meet the following requirements.
1) The pipe diameter code should be selected according to the provisions of Article 2.4.2 of this standard;
2) The marking method of the pipe diameter shall comply with the provisions of Article 2.4.3 of this standard.
8 The north arrow or wind rose diagram shall be drawn in the upper right corner of the pipeline layout pattern of the general plan.
4.4.2 The node diagram of the water supply pipeline should be drawn according to the following regulations.
1 The pipeline node diagram may not be drawn to scale, but the node position, number, and direction of connecting pipes shall be consistent with the general diagram of water supply and drainage pipelines.
2 The pipe diameter, pipe length and discharge direction shall be indicated.
The drawing of the 3-node valve well shall include the following contents.
1) Node plane shape and size;
2) Arrangement, pipe diameter and connection method of valves and fittings;
3) The positioning dimensions of the center of the node valve well and the pipeline in the well.
4 When necessary, a schematic cross-sectional diagram should be drawn for the node valve well.
5 The node diagram of the water supply pipeline is shown in Figure 4.4.2.
4.4.3 The pipeline elevation marked on the general pipeline layout drawing should meet the following requirements.
1 When checking that there is no change in the diameter of the pipes in the well and downstream, and there is no water drop, it should be marked in the manner shown in Figure 4.4.3-1;
2 When the diameter of the upstream and downstream pipelines in the inspection well changes or there is water drop, it should be marked in the manner shown in Figure 4.4.3-2;
3 When there is a branch pipe connected to one side of the inspection well, it should be marked in the manner shown in Figure 4.4.3-3;
4 When branch pipes are connected to both sides of the inspection well, it should be marked in the manner shown in Figure 4.4.3-4.
4.4.4 When the design adopts the pipe profile to represent the pipeline elevation, the pipeline profile should be drawn according to the following regulations.
1 The following drawings and contents shall be included when the pipeline elevation is indicated by the pipeline profile diagram.
1) The longitudinal section of the pressure flow pipeline is shown in Figure 4.4.4-1;
2) The longitudinal section of the gravity pipeline is shown in Figure 4.4.4-2.
2 The lines used in the longitudinal section diagram of the pipeline should be selected according to the following regulations.
1) When the diameter of the pressure flow pipeline is not greater than 400mm, the pipeline should be represented by a single line with a medium-thick solid line;
2) Except for the discharge pipe of the building, the gravity flow pipeline should be represented by a medium-thick solid line and double lines regardless of the diameter of the pipe;
3) The pipes in the plane diagram column in the drawing should be represented by a medium-thick single line;
4) Other pipelines, pipe trenches, railways and drainage ditches intersecting with the pipeline should be given according to the intersection position in the schematic diagram;
5) Thin solid lines should be used for design ground lines, vertical positioning lines, column separation lines, inspection wells, and scale lines, and thin dashed lines should be used for natural ground lines.
3 The scale of the drawing should be selected according to the following regulations.
1) Two different proportions can be used in the same drawing;
2) The longitudinal proportion should be consistent with the pipeline plan;
3) The vertical ratio should be 1/10 of the vertical ratio, and a scale should be drawn at the left end of the drawing.
4 The elevation of the drawn pipeline intersecting with the pipeline should be marked according to the following regulations.
1) When the intersecting pipe is located above the pipe, the elevation of the bottom of the intersecting pipe should be marked;
2) When the intersecting pipe is located below the pipe, the elevation of the top or bottom of the intersecting pipe should be marked.
5 In the "horizontal distance" column in the drawing, the distance from the cross pipe to the inspection well or valve well, or the distance between them should be marked.
6 The pressure flow pipes should be drawn in the order of the main pipe first and then the branch pipe in the direction of the water supply flow after the inlet pipe from the plot passes through the water meter.
7 The drainage pipe starts from the drainage inspection well at the very beginning of the community, and shall be drawn in the order of the main pipe and then the branch pipe in the direction of the drainage water flow.
4.4.5 When the pipeline elevation table is used in the design to indicate the pipeline elevation, the following regulations should be met.
1 The gravity flow pipeline can also use the pipeline elevation table to indicate the pipeline laying elevation;
2 The format of the pipeline elevation table is shown in Table 4.4.5.
4.5 Building water supply and drainage plan
4.5.1 The building water supply and drainage plan shall be drawn according to the following regulations.
5 Rainwater pipes should be marked...
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