7518 International Standard (ISo INTERNATIONALORGANIZATION FOR STANDARDIZATIONMEKAYHAPOAHAAOPTAHW3ALMAOCTAHAAPTM3ALIMW+ORGANISATION INTERNATIONALEDENORMALISATION Technical drawings -- Construction drawings Simplified representation of demolition and rebuilding Dessins techniques-Dessins de construction-Représentation simplifieededemolition et de reconstruction First edition - 1983-11-01 SO 7518-1983 (E) UDC 744.43 : 69 Ref.No.ISO7518-1983(E) Descriptors : technical drawings, buildings, symbols, marking, graphic symbols. or Standardizatio Price based on 2. pages No reproduction or networking permitted without license from IHS Not for Resale Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of developing International Standards is carried out through IsO technical committees. Every member body interested in a subject for which a technical committee has been authorized has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with Iso, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. International Standard ISO 7518 was developed by Technical Committee ISO/TC 10, Technical drawings, and was circulated to the member bodies in January 1982. It has been approved by the member bodies of the following countries: Australia India South Africa, Rep. of Austria italy Spain Belgium Japan Sweden Brazil Netherlands Thailand Canada New Zealand USA China Poland USSR Egypt, Arab Rep. of Romania The member bodies of the following countries expressed disapproval of the document on technical grounds : Finland Norway United Kingdom ? International Organization for Standardization, 1983 Printed in Switzerland No reproduction or networking permited without icense from IHS Not fr Resale ISO 7518-1983 (E) INTERNATIONALSTANDARD Technical drawings - Construction drawings Simplified representation of demolition and rebuilding Scope and field of application ISO 4069, Building and civil engineering drawings - Represen- tationofareasonsectionsandviews-Generalprinciples. This International Standard specifies rules for symbols, mark- ings and simplified representations of demolition and rebuilding 3 Generalprinciples on general arrangement drawings and assembly drawings. Demolition and rebuilding can be indicated either on existing 'n general the applications shown concern plans. Views and drawings which emphasizes the original state of the works, or sections can be shown similarly. on new drawings which emphasizes new works. A clear contrast should be aimed at, when indicating retained parts, removed parts and new parts respectively. 2 References Where necessary the drawings and symbols shall be amplified IsO 128, Technical drawings - General principles of presenta- by text. tion. To clarify the alterations planned, it is advisable to have the original (existing) state of the building on a drawing with indica- ISo 3098/1, Technical drawings -- Lettering -- Part 1: Cur- tions of the planned alterations, as well as a new drawing of the rentlyused characters. altered building. Outlines, dimensions and information in text Indication to be made on No. Intention existing drawing new drawing 4.1 Existing part to be retained (noconvention) thin line 4.2 Existing part to be removed X thin line with crosses 4.3 Newpart thick line thick line line thicker than others on the drawing 4.4 Existing dimensions and information (noconvention) 1370 to be retained 1) INFORMATION 4.5 Dimensions and information to show 1370 INFORMATION existing parts to be removed 11 thin line through the dimension or text 4.6 Dimensions and information of new 1370 INFORMATION parts 1) It may be useful to differentiate between original and new dimensions and text informa