BS 8895-2-2015 Designing for material efficiency in building projects Code of Practice for concept and developed design《建设项目材料效率设计 概念和改进设计的实施规程》.pdf

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1、BSI Standards PublicationBS 8895-2:2015Designing for materialefficiency in buildingprojects Part 2: Code of practice for conceptdesign and developed designPublishing and copyright informationThe BSI copyright notice displayed in this document indicates when the documentwas last issued. The British S

2、tandards Institution 2015Published by BSI Standards Limited 2015ISBN 978 0 580 85618 1ICS 91.040.01The following BSI references relate to the work on this document:Committee reference B/209Draft for comment 15/30296207 DCPublication historyFirst published July 2015Amendments issued since publication

3、Date Text affectedBS 8895-2:2015 BRITISH STANDARDContentsForeword iiIntroduction 11 Scope 12 Normative references 23 Terms and definitions 24 Design for material efficiency process 44.1 Design and project delivery considerations 44.2 Identify, investigate and implement at concept design and develope

4、ddesign stages 74.3 Roles and responsibilities for material efficiency at concept design anddeveloped design stages 85 Concept design 85.1 General 85.2 Identification 95.3 Investigation 95.4 Implementation 95.5 Material efficiency checklist 146 Developed design 176.1 General 176.2 Identification 176

5、.3 Investigation 176.4 Implementation 18AnnexesAnnex A (informative) Material efficiency objectives and information exchangesacross the design stages 26Annex B (informative) Guidance and tools for assisting with material efficiencyacross the design stages 27Bibliography 28List of figuresFigure1Typic

6、al information delivery cycle 6Figure 2 Level of importance of identify, investigate and implementthroughout the design process 7List of tablesTable 1 Design and project delivery considerations to optimize materialefficiency 4Table 2 Concept design stage: actions and outputs 10Table 3 Concept design

7、 stage: material efficiency tasks checklist 14Table 4 Developed design stage: actions and outputs 19Table 5 Developed design stage: material efficiency tasks checklist 22Table A.1 Material efficiency objectives and information exchanges across theRIBA plan of work N1 stages 26Table B.1 Guidance and

8、tools for material efficiency 27Summary of pagesThis document comprises a front cover, an inside front cover, pages i to ii,pages 1 to 30, an inside back cover and a back cover.BRITISH STANDARD BS 8895-2:2015 The British Standards Institution 2015 iForewordPublishing informationThis document is publ

9、ished by BSI Standards Limited, under license from TheBritish Standards Institution, and came into effect on 31 July 2015. It wasprepared by Technical Committee B/209, General Building Codes. A list oforganizations represented on this committee can be obtained on request to itssecretary.Information

10、about this documentThe initial drafting of this British Standard was produced in association with BISas part of their on-going programme of support for standardization.This document gives recommendations for designing for material efficiency thatare accepted as good practice by industry leaders and

11、practitioners, and bringstogether the results of practical experience and acquired knowledge for ease ofaccess and use of the information.This code of practice sets out the process for the integration of designing formaterial efficiency into the concept design and developed design stages of theRIBA

12、plan of work N1. It is the second part in a projected suite of BritishStandards that address specific and interrelated issues and processes of materialefficiency in building projects in line with the RIBA plan of work N1.BS 8895, Designing for materials efficiency in building projects, comprises the

13、following parts: Part 1 (published 2013): Code of practice for strategic definition andpreparation and brief; Part 2 (this part): Code of practice for concept and developed design; Part 3: Code of practice for technical design1); and Part 4: Code of practice for operation, refurbishment and end of l

14、ife1).Use of this documentAs a code of practice, this British Standard takes the form of guidance andrecommendations. It should not be quoted as if it was a specification andparticular care should be taken to ensure that claims of compliance are notmisleading.Any user claiming compliance with this B

15、ritish Standard is expected to be able tojustify any course of action that deviates from its recommendations.Presentational conventionsThe provisions in this standard are presented in roman (i.e. upright) type. Itsrecommendations are expressed in sentences in which the principal auxiliaryverb is “sh

16、ould”.Commentary, explanation and general informative material is presented insmaller italic type, and does not constitute a normative element.Contractual and legal considerationsThis publication does not purport to include all the necessary provisions of acontract. Users are responsible for its cor

17、rect application. Compliance with aBritish Standard cannot confer immunity from legal obligations.1)Planned for development.BRITISH STANDARDBS 8895-2:2015ii The British Standards Institution 2015IntroductionMaterial efficiency is a key part in achieving higher levels of resource efficiencyin a build

18、ing project. Material efficiency encompasses the efficient use ofmaterials throughout the lifecycle of a building, waste prevention andreduction, minimizing damage to the environment and minimizing depletion ofnatural resources. The case for material efficiency is made in the Part 1 of thismulti-par

19、t standard, BS 8895-1:2013, which covers Stage 0 Strategic Definitionand Stage 1 Preparation and Brief of the RIBA plan of work N1. This includesclear drivers such as cost savings and reduced environmental impact throughreduced resource use, corporate social responsibility commitments and meetingreq

20、uirements for material efficiency performance. BS 8895-1:2013,Figure 3 illustrates the need to design for material efficiency at the earliestpossible point within the design process where the opportunities are thegreatest and the cost of making the decisions the least.Material efficiency in a buildi

21、ng project involves the implementation of ahierarchy, (see BS 8895-1:2013, Figure 1) to optimize material usage and avoidthe production of waste. It also encompasses design solutions to reduce materialusage wherever possible, reuse materials and increase the use of materials whichare reclaimed that

22、can also be reused at the end of life, and specify materialswith a high level of recycled content and that can be recycled.Opportunities and solutions for material efficiency arise during the planning,design, procurement, construction, in use (including refurbishment) and end oflife stages of a proj

23、ect. However, the most effective way to implement materialefficiency is to comprehensively consider the use of materials during theplanning and design stages. This is when maximum impact can be made. ThisBritish Standard covers Stage 2 Concept Design and Stage 3 Developed Designof the RIBA plan of w

24、ork N1 where there is much potential to implementmaterial efficiency by taking forward the initial project brief and consideringopportunities that arise from the work undertaken to develop the outlinedesigns and specifications.Opportunities also exist when the design is already formulated and constr

25、uctionis under way, particularly in contractual procedures where the contractor has theopportunity to put forward alternative design, procurement and constructionmethods that can accrue significant reduction in waste and improvement inmaterial efficiency during the construction period.1 ScopeThis pa

26、rt of BS 8895 gives recommendations for the processes, informationexchanges and responsibilities for design teams to incorporate into projects atthe concept design and developed design stages of a building project. Itprovides recommendations on how to implement material efficiency afterreceiving the

27、 initial project brief at the end of stage 1 of the RIBA plan of workN1 (preparation and brief).NOTE 1 This British Standard follows the RIBA plan of work N1 stages andrequirements, focusing on Stage 2 Concept Design and Stage 3 Developed Design.Stage 0 Strategic Definition and Stage 1 Preparation a

28、nd Brief are covered inBS 8895-1.BRITISH STANDARD BS 8895-2:2015 The British Standards Institution 2015 1BS 8895-2 is intended to be used by the design team when preparing conceptand developed designs to include proposals for material efficiency. These theninform the final project brief and other st

29、rategies such as the sustainabilitystrategy and project execution plan. During the developed design stage thematerial efficient proposals are embedded within the design and other relatedinformation. Some of the design activities might occur in either the conceptand/or developed design stages depende

30、nt upon the complexity andprocurement route of the project. BS 8895-2 takes account of this, providing aflexible approach in applying material efficiency.NOTE 2 Material efficiency includes optimizing material use, using reclaimedmaterials, increasing the proportion of materials with a higher level

31、of recycledcontent, using durable materials, designing out waste, planning and enabling fordeconstruction, waste reduction, reuse, and recycling. These are consideredthroughout the buildings lifecycle.NOTE 3 For an explanation of the case for material efficiency including thefinancial, environmental

32、 and social drivers, see BS 8895-1.NOTE 4 Annex A shows the core objectives and information exchanges in relationto material efficiency at each of the seven stages of the RIBA plan of work N1stages.2 Normative referencesThe following reference documents are indispensable for the application of thisd

33、ocument. For dated references, only the edition citied applies. For undatedreferences, the latest edition of the referenced document (including anyamendments) applies.Standards publicationsBS 8895-1, Designing for material efficiency in building projects Part 1: Code ofpractice for Strategic Definit

34、ion and Preparation and BriefOther publicationsN1 RIBA Plan of Work 20132)3 Terms and definitionsFor the purposes of this part of BS 8895, the terms and definitions given inBS 8895-1 and the following apply.NOTE 3.1 to 3.7 are referred to in RIBA plan of work N1. 3.11 is referred to inWRAP guidance.

35、3.1 concept designoutline of proposals for structural design, building services systems, outlinespecifications and preliminary cost information along with relevant projectstrategies in accordance with the design programmeNOTE It includes agreeing alterations to the initial project brief (3.8) and is

36、suingthe final project brief (3.5).3.2 construction strategystrategy that considers specific aspects of the design that might affect the“buildability” or logistics of constructing a project, or may affect health andsafety aspects2)http:/ Last accessed 13thJuly 2015.BRITISH STANDARDBS 8895-2:20152 Th

37、e British Standards Institution 20153.3 design responsibility matrixmatrix that sets out who is responsible for designing each aspect of the projectNOTE The project team might also have formal information exchanges, as well asthe many informal exchanges that occur during the iterative design process

38、.3.4 developed designcoordinated and updated proposals for structural design, building servicessystems, outline specifications, cost information and project strategies inaccordance with the design programme3.5 final project briefamended initial project brief (3.8) so that it is aligned with the conc

39、ept design(3.1)3.6 handover strategystrategy for handing over a building including the requirements for phasedhandovers, commissioning, training of staff or other factors crucial to thesuccessful occupation of a building3.7 information exchangesformal issue of information for review and sign-off by

40、the client at key stages ofthe project3.8 initial project briefbrief prepared following discussions with the client to ascertain the projectobjectives, the clients business case and, in certain instances, in response to sitefeasibility studies3.9 maintenance and operational strategystrategy for the

41、maintenance and operation of a building, including details ofany specific plant required to replace components3.10 project execution plansets out the processes and protocols to be used to develop the designNOTE The project execution plan is sometimes referred to as the project qualityplan.3.11 resou

42、rce management planintegrated management framework that can be used to consider and managematerial efficiency impacts across a projects lifecycle from Stage 0 StrategicDefinition to Stage 7 In-Use and End of lifeNOTE The resource management plan supersedes the site waste management plan.3.12 sustain

43、ability strategystrategy for delivering the sustainability aspirations (the clients aspirations forsustainability), which might include additional objectives, measures or specificlevels of performance in relation to international standards, as well as details ofspecific demands in relation to operat

44、ional or facilities management issuesNOTE The sustainability strategy might also include the resource management plan(3.11).BRITISH STANDARD BS 8895-2:2015 The British Standards Institution 2015 34 Design for material efficiency process4.1 Design and project delivery considerationsThe design for mat

45、erial efficiency should be included within the sustainabilitystrategy and project execution plan to enable an integrated, continual processto optimize material use at all stages of a projects lifecycle. The design teamshould consider and record how individual decisions impact on materialefficiency a

46、t each stage of a projects lifecycle, i.e. from design, to construction,to operation and end of life.NOTE 1 Table 1 outlines example design and project delivery considerations toassist in developing an approach to incorporate material efficiency at the conceptand developed design stages.Information

47、exchanges, specific to material efficiency should follow a manageddesign structure which allows an audit trail of key information used indecision-making throughout the course of a project.NOTE 2 Typical information exchange points and client/employer decision pointsare shown in Figure 1 (Source: BS

48、7000-4). BS 7000-4 gives guidance on achieving amanaged design which could be applied to material efficiency. It applies equally toprojects using a traditional approach to preparing project information and to thoseusing BIM.Table 1 Design and project delivery considerations to optimize material effi

49、ciencyAreas ExamplesProject deliveryapproachConsider options to demolish, refurbish, or new build.Undertake pre-demolition/strip-out fit out audit, if the project involvesrefurbishment and/or demolition.Consider alternative procurement models that deliver improved materialefficiency, particularly over the buildings lifecycle.Design optimisation Consider the design in the context of using fewer materials and/or materialsbetter suited to their functional need.Consider prefabricated