Guide to Using the RIBA Plan of Work 2013It is important to remember that the timing of contractor involvement does notnecessarily dictate the contractor’s responsibilities for design: design and buildforms of procurement allocate all design responsibility to the contractor whereastraditional contracts result in design responsibility remaining with the designers,although discrete elements of design responsibility may be allocated to thecontractor (for example, Performance Specified Work in JCT Building Contracts).ETRORACTPRCLIENTD E SI G N TEXTERNTEAMECTOJCONREFERENCEALThe means of defining Information Exchanges (the information and level of detailproduced at the end of each work stage) is one of the crucial topics to emergefrom the development of the RIBA Plan of Work 2013. The information exchangedat the end of a stage can vary for good reason. For example, one residentialclient may only want a set of drawings for obtaining planning and buildingcontrol approvals. Another may want detailed interior designs and full-sizedjoinery details. Some may require fly-through videos, models and sophisticatedrenderings in order to sign off the Concept Design at Stage 2. For this reason, theRIBA Plan of Work 2013 advocates that during Stage 1 the Information Exchangesat the end of each stage are agreed, along with the level of detail to be produced.The template in Assembling a Collaborative Project Team has been developedto assist in this process. Aligned with the Schedules of Services, a DesignProgramme and the Design Responsibility Matrix, it provides a comprehensive kitof parts for those undertaking the lead designer role.AMKED QUESTIOASNSFREQUENTLYInformation ExchangesWhat is meant by level of detail?Although CAD information is produced ‘full size’, it is typically issued or exchangedas drawings in ‘hard’ (prints) or ‘soft’ (electronic) formats with the level of detailadded to the CAD model dictated by the scale of the output (i.e. 1:100, 1:50, 1:5,1:2, etc.). BIM changes this approach since such outputs are no longer required(although it is likely that 2D ‘slices’ through a model will continue to be used ascontractual documents for some time). The level of detail question thereforeprogresses from an issue of scale to one of purpose. For example, if the modelis being used for design discussions with a client, one level of detail is requiredin the model whereas a model being handed over to a specialist subcontractor(for example, to develop the curtain walling) requires a different level of detail.As this transitional subject is in an embryonic state, the Information Exchangetable is conceived in a manner that considers the output scale. The transition to adigital level of detail is considered further in Chapter 6. An additional complexityis the correlation between the Design Responsibility Matrix and the InformationExchanges because the level of detail issued at Stage 4 by the core designers forwork that will be undertaken by a specialist subcontractor, also during Stage 4,differs from the level of detail required to construct directly on site during Stage 5.www.ribaplanofwork.com49
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