TCVN 6003-1:2012 ISO 4157-1:1998 Construction drawings – Designation systems – Part 1: Buildings and parts of buildings
Foreword
TCVN 6003-1:2012 replaces TCVN 6003:1995
TCVN 6003-1:2012 is identical to ISO 4157-1:1998.
The TCVN 6003 series under the general title “Construction drawings – Designation systems” consists of the following parts:
– TCVN 6003-1:2012, Part 1: Buildings and parts of buildings
– TCVN 6003-2:2012, Part 2: Room names and room numbers
The ISO 4157 series “Construction drawings – Designation systems” also includes the following part:
– ISO 4157-3:1998, Construction drawings – Designation systems – Part 3: Room identifiers
TCVN 6003-1:2012 was drafted by the Institute of Architecture, Urban and Rural Planning, proposed by the Ministry of Construction, appraised by the Directorate for Standards, Metrology and Quality, and announced by the Ministry of Science and Technology.
1. Scope
This standard specifies requirements for designation systems and methods of assigning designations for buildings, including: spaces, parts of buildings and constituent parts.
2. Normative References
The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
TCVN 6003-2:20121), Construction drawings – Designation systems – Part 2: Room names and room numbers;
ISO 4157-3:1998, Construction drawings – Designation systems – Part 3: Room identifiers.
3. Terms and Definitions
For the purposes of this standard, the following terms and definitions apply:
3.1. Room
Area or volume, space or cavity, enclosed actually or theoretically, even if not a traditional room.
EXAMPLE:
– Balcony in a theatre, cinema;
– Staircase (separate room on each floor);
– Auditorium with rolling/folding doors;
– Covered part of a roof terrace;
– Courtyard (may be without roof);
– Ventilation duct (separate room on each floor);
– Elevator shaft (separate room on each floor);
– Ceiling void.
NOTE: When numbering a room, the enclosing elements such as walls, ceiling and floor may or may not be complete, but once a number has been allocated to a room, it shall have definite boundaries.
3.2. Room name
Generally the name indicating the function of the room.
NOTE:
1) Rooms within a building may have the same name, e.g. classroom. Differentiation is not necessarily required, for example: Classroom A, Classroom B, etc.
2) Names are only added to rooms, e.g. B and 3 to Classroom B, Bedroom 3, if required for practical use. Names such as CHOPIN or TAYLOR are used in special cases, e.g. CHOPIN Hall, TAYLOR Apartment, etc. for ease of memorization.
3.3. Room number
Sequential number of an individual room.
NOTE:
1) See 3.1.
2) Room numbers in the traditional sense are for the actual functioning of the building, i.e. the interaction between building and user. Room numbers may change upon rearrangement or major alterations such as renovation, extension, or change of ownership. The timing of such changes and related issues will be addressed in the documentation.
3.4. Room identifier
Positive integer assigned to a room, preceded by a /#.
NOTE: See ISO 4157-3.
4. Designation Types
Different objects shall be classified into types, for example according to object style or designation (See Figure 1).
Figure 1 – Examples of designation types
5. Individual Designations
Each individual object shall be assigned an individual designation. The individual designation is usually a location marker (See Figure 2).
Figure 2 – Examples of individual designations
6. Structure of Designations
A complete designation comprises a main designation and a supplementary designation.
6.1 Main Designation
The main designation identifies the object types at different levels in the design documentation, including:
a) Full name such as House, Room, Window, Door, Fence, Cut-off valve;
b) Abbreviation, such as H, R, W, D, F, C, etc.;
c) Number or letter designation, for example:
– 1: Door, 2: Window, 3: Component;
– A: Sports equipment, B: Outdoor furniture, C: Other equipment.
d) Classification-based designation and coding systems.
The main designation may be omitted when the intent is already clearly expressed in the design documentation itself.
6.2 Supplementary Designation
The supplementary designation shall identify the particular characteristics of each object type, including:
a) Alphanumeric designations for object types.
EXAMPLE: W12b, where W is the main designation for window; 12 is the supplementary designation for type, material, dimension, etc.; and b is the supplementary designation for product type, e.g. window where the sill has a groove.
b) Alphabetical or numerical sequence.
EXAMPLE: P1, P2, P3, etc. where P is the main designation indicating pile and 1, 2, 3 are the individual designations of each pile. The supplementary designation may include coordinates.
7. Application of Designations
7.1 Buildings
Buildings within the same project shall be identified by a main designation and an individual designation, e.g. Building 1, Building 2, etc. (See Figure 3).
Building 1 | Building 2 | Building 3 |
NOTE: The main designation “Building” may be omitted.
Figure 3 – Examples of building designations
When designating a part of a building, a main designation shall be used which includes an alphabetical or numerical designation, e.g. Part 1 of Building 2, Part 2 of Building 2, Part 3 of Building 2, etc. (See Figure 4).
Part 1 | Part 2 | Part 3 |
Building 2
Figure 4 – Examples of designations for parts of a building
7.2. Building Storeys
A storey is the space between two continuous floor planes or the space between a floor plane and a roof, bounded by objects (floors, ceilings and walls), including the external walls and related parts of the building (See Figure 6).
Each storey shall be designated consecutively from bottom to top, starting with the number 1 corresponding to the lowest storey used for an intended purpose (See Figure 5).
The designation “0” is used to indicate the space immediately below the lowest storey used for an intended purpose.
The storey number designation includes not only the usable space of that storey but also the boundaries of the parts enclosing that space, e.g. the load-bearing floor and ceiling of the storeys above, the walls and ceiling of that storey, etc.
The elevation of the top surface of the load-bearing part of the building transitions from one storey to another (See Figure 6).
Figure 5 – Storey numbering | Figure 6 – Transition between storeys |
When there are multiple elevations within a building, e.g. mezzanines, wall ledges, landings, staircases, ramps, etc., each type shall be clearly designated to avoid confusion. These designations may be expressed as elevations or abbreviations next to the number indicating the relevant storey.
Stairwells are numbered like the storey in which the staircase is located, whether or not there is a landing.
7.3. Parts of a Building Storey
In the case of design documentation comprising multiple drawings, the designations for parts of a storey shall include the designation of that storey, expressed as a number or letter, e.g. Part 1 of Storey 3, Part 2 of Storey 3, Part 3 of Storey 3, etc. (See Figure 7).
Part 1 | Part 2 | Part 3 |
Storey 3
Figure 7 – Designations for parts of a storey
7.4. Floors
7.4.1. General
In this standard, the term “floor” aligns with the English concept, with floors numbered from ground level upwards, i.e. 1st floor, 2nd floor, etc.
Floors are numbered to suit construction practice in each country. The previous numbering conventions are still applied in some countries.
7.4.2. Room Numbers
In countries where floors are designated using letters for the ground floor, mezzanine and basement levels, room numbers shall be assigned in accordance with TCVN 6003-2:2012.
7.4.3. Room Identifiers
Only numeric designations shall be used, as specified in 7.2, in accordance with ISO 4157-3.
7.5. Load-Bearing Structural Elements
Columns, floors, walls, beams, etc. shall be designated using 4 alphanumeric characters, unless the number of storeys and parts exceed that limit.
The first number in the supplementary designation indicates the storey number (see 7.2 and TCVN 6003-2:2012) and the last two digits are sequential numbers (See Figure 8).
EXAMPLE:
Column: C201, C202
Floor slab: S201, S202
Wall: W201, W202
Beam: B201, B202
Figure 8 – Examples of designations for columns, floors, walls and beams on storey 2
1) TCVN to be published