BG 6/2018 a Design Framework for Building Services SAMPLE

BG 6/2018 a Design Framework for Building Services SAMPLE

BG 6/2018 A Design Framework for Building Services 5th edition By David Churcher, Martin Ronceray and John Sands DELIVERABLES Models Drawings Informa�on 123456712345671234567 Mechanical S Y S Electrical T E M S Public Health BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 1 06/06/2018 16:17:15 Acknowledgements In addition to those involved in the preparation of the previous editions of A Design Framework for Building Services, BSRIA would like to thank the following organisations and individuals for their invaluable contribution in the development of this 5th edition: Bryn Charles Atkins SNC-Lavalin Martin Clowes Elementa Les Copeland WSP (representing CIBSE) Graham Cossons Hoare Lea Paul Deacon Atkins SNC-Lavalin Ken Dorrington Skanska Jonathan Gaunt Cundall Daniel Goodreid Arup Andy Hammond Imperial College Dave Hymas Mott Macdonald Andy Krebs Hoare Lea Paul Marsland NG Bailey Andrew Moore Cundall Steven Mulvenna Atkins SNC-Lavalin Ben Roberts Hoare Lea Richard Shennan Mott Macdonald (representing ACE) Mike Smith BSRIA Mark Snell Laing O'Rourke Martin Trentham Interserve Richard Tudor WSP James Warne Boom Collective Rhys Vaughan Williams Crossrail In addition, BSRIA would like to thank Ben Roberts, Martin Trentham and Bradley Fletcher for creating exemplar 3D models for this guide. This guide’s technical authors were David Churcher, Martin Ronceray and John Sands, and it was designed and produced by Joanna Smith. Every opportunity has been taken to incorporate the views of the working group, but final editorial control of this document rested with BSRIA. Where this guide refers to another publication or standard, the relevant version is the one listed at the end of this guide. However, if that version has been revised or updated, the new version may be used as a source of guidance provided it continues to address the relevant topic. Licensed versions This guide is available as a set of editable files, including: • An unlocked pdf of the guide (excluding the examples in the appendices) • An editable Word version of the guide • An Excel workbook of all the proformas • Free updates for two years from purchase date These are licensed to multiple sites. For more information visit www.bsria.co.uk/bookshop BSRIA is the owner or the licensee of all intellectual property rights in this publication, and in the content published in it. Consent is granted to users of this publication to reproduce and modify the proformas in appendices A and B for use on their projects in accordance with the limited licence on the inside back cover of this publication. All risk associated with the use of material from this publication is assumed entirely by the user. Full terms and conditions can be found at www.bsria.co.uk/terms. © BSRIA June 2018 (Version A) ISBN 978-0-86022-762-5 BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 2 14/06/2018 16:11:42 BG 6/2018 A Design Framework for Building Services 5th edition By David Churcher, Martin Ronceray and John Sands BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 3 06/06/2018 16:23:58 Contents Glossary vi 1 Introduction 1 2 About BG 6 3 2.1 The purpose of BG 6 3 2.2 The structure of BG 6 3 2.3 The design process and definition of design outputs 4 2.4 Design coordination 7 2.5 Design clashes 10 2.6 BG 6 and BIM 12 2.7 Level of detail/level of information (LOD/LOI) 15 2.8 Contractor Design Portion (CDP) 15 3 How to use BG 6 17 3.1 The process of using BG 6 17 3.2 Allocating design responsibilities – Appendix A 17 3.3 Allocating information production – Appendix B 20 3.4 Completing the proformas 20 3.5 Non-building services specialist design 21 3.6 Effect of procurement route 21 3.7 Precision in design 22 3.8 Design reviews 23 iv | BG 6/2018 A DESIGN FRAMEWORK FOR BUILDING SERVICES 5th EDITION ©BSRIA BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 4 06/06/2018 16:23:58 Appendices Appendix A Allocating design activity 24 Appendix B Allocating model, drawing and information production 112 Appendix C Examples of using BG 6 114 References 120 Bibliography 121 ©BSRIA A DESIGN FRAMEWORK FOR BUILDING SERVICES 5th EDITION BG 6/2018 | v BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 5 06/06/2018 16:23:59 Glossary The explanations in the glossary of the terms used in this guide relate specifically to their use in the context of BG 6/2018. Client The client is the party commissioning and paying for the project. The client may pay for the project using their own funds, or may secure funds via other mechanisms from a third party. Main contractor The main contractor is the party employed by the client to construct the subject of the project. The method the client uses to employ the main contractor may vary depending on the procurement route adopted. Building services The building services contractor is the contractor party employed to provide and install the building services systems for the project. The building services contractor is usually employed by the main contractor. Trade contractor The trade contractor is the party employed by the building services contractor to carry out the provision and installation of individual work packages. vi | BG 6/2018 A DESIGN FRAMEWORK FOR BUILDING SERVICES 5th EDITION ©BSRIA BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 6 06/06/2018 16:23:59 Introduction 1 Introduction BSRIA Guide BG 6 A Design Framework for Building Services was first published in 1994 to help give clarity over the roles and duties of those involved in the design phases of construction projects. Since then it has been revised and updated to reflect the changing nature of the UK construction industry practices, and the implications these have had on the allocation of design responsibilities. In recent years, changes in technology have brought with them new issues concerning the level of information provided as outputs from design activities. They have also highlighted the need for clarity around existing topics such as the resolution of clashes throughout the design stages and defining coordination roles and responsibilities. These are amongst the topics addressed in this new edition of BG 6. Whilst the advance in technology has enabled developments such as BIM Level 2, resulting in the extensive use of graphical modelling, it is important to remember that not every project will be carried out using this approach. The ‘traditional’ method of conveying design requirements via 2D drawings will continue to be widely used and elements of BG 6 have now been clarified to clearly identify and support these different strategies. The key point is that the correct format of information is used to best meet the project objectives. This latest version – the 5th edition – is the outcome of the largest and most comprehensive review process BG 6 has ever undergone, and has benefited from many people giving a significant amount of their time to share their views and experience. Needless to say, this new edition would not have been possible without this tremendous effort and it has helped to ensure that the 5th edition is an effective tool for all parties to understand what is required from their design duties. By giving clear and, above all, mutually agreed guidance, the design process should be carried out efficiently and to the required standard. The key changes in this edition of BG 6 from the 4th edition can be summarised as follows: • A single Stage 3 proforma in place of the previous two – Stages 3a and 3b • A single Stage 4 proforma in place of the previous three – Stages 4a, 4b and 4c ©BSRIA A DESIGN FRAMEWORK FOR BUILDING SERVICES 5th EDITION BG 6/2018 | 1 BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 1 14/06/2018 16:13:19 Introduction • The guide has been restructured in order to provide more information and guidance on its purpose and how to use it. This includes some examples using various proformas. • Additional drawings have been included to give more guidance on electrical and public health services content, as well as some building cross sections to demonstrate coordination of services at pinch points. • The spreadsheet in Appendix B has been extended to include information deliverables other than drawings and models. As with the previous edition, the proformas in this 5th edition of BG 6 follow the project stages shown in the RIBA Plan of Work 2013[1]. It must be remembered that BG 6 is, as the title states, a framework. As such, the content of the proformas and output production table should be seen as a starting point for the user to accurately detail what they require their supply chain to do. If any required task or deliverable is not in the published proformas or table, then the user should add them, making sure that the proformas and the output production table align with each other. 2 | BG 6/2018 A DESIGN FRAMEWORK FOR BUILDING SERVICES 5th EDITION ©BSRIA BG 6-2018 A Design Framework for Building Services - Part 1 and Part 3.indd 2 06/06/2018 16:23:59 About BG 6 items of plant and equipment, amending system designs to suit, developing controls details, and the addition of information such as the size and location of brackets and supports and measures for expansion and contraction of pipework.

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