BS ISO 21723:2019 pdf download – Buildings and civil engineering works — Modular coordination — Module This document establishes the values of basic module, multimodules for horizontal coordinating dimensions and sub-modular increments for use in modular coordination of buildings. This document also specifies preferred vertical modular dimensions, series of preferred multimodular sizes for horizontal dimensions for all types in accordance with general principles and rules for modular coordination. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 6707-1, Buildings and civil engineering works — Vocabulary — Part 1: General terms 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 6707-1 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https: //www .iso .org/obp — IEC Electropedia: available at http: //www .electropedia .org/ 3.1 modular storey height vertical dimension between two modular floor planes of two consecutive floors [SOURCE: ISO 1791:1983, 25] 3.2 modular? floor? height vertical dimension of the modular floor zone between the modular plane of the upper surface of the floor covering and the modular plane of the finished ceiling [SOURCE: ISO 1791:1983, 27, modified — “a floor covering” has been replaced with “the floor covering”.] 4? Specifications 4.1 Basic module 4.1.1 The basic module is represented by the letter M. 4.1.2 The international standardized value of the basic module is 1 M = 100 mm NOTE Annex A provides imperial units. 4.2 Multimodules for horizontal coordination dimensions 4.2.1 The international standardized values of multimodules for horizontal coordinating dimensions are 3 M, 6 M, 12 M, 30 M, 60 M. NOTE 1 The multimodule 15 M can also be used for special applications. NOTE 2 See also ISO 8560. 4.2.2 The series of preferred multimodular sizes for horizontal dimensions are shown in Table 1. 4.2.4 The 15 M, 30 M and 60 M series correspond to the series in a system of preferred numbers which contain the factor five. These series can also be extended to use larger increments in the series of the multimodule 60 M such as 120 M or...
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