Building Information Modeling - PDF

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CIVIL CONSTRUCTION AND BUILDING PROCUREMENT2Introduction to BIMBuilding information modeling (BIM) is a digital representation of both the functional andphysical characteristics of any given facility. BIM is commonly used in the constructionindustry all around the globe given that it broadly involves and covers the spatial relationships,geographical information, light analysis as well as the properties and quantities of thecomponents of the building. Building Information Modeling allows for support of the designthrough all its phases and therefore there is better analysis of the model as well as the manualprocesses are able to be controlled. Once these computer-generated models are completed, theycontain detailed geometry and data that is required for the support during fabrication,construction as well as when carrying out procurement activities in order to realize the buildingproject (Azhar, 2011). There are a number of current BIM software that is used by individuals,government agencies as well as businesses to carry out the planning, designing, construction,operation and maintenance of the physical infrastructure that is diverse. These physicalinfrastructures include water, gas, bridges, tunnels, roads, refuse electricity, communicationutilities, ports, etc.BIM generally involves representation of a design, being a combination of objects that areconsidered both vague and undefined, product specific or generic, void-space oriented or solidshapes that are able to carry their geometric attributes and relations. The design tools forBuilding Information Modeling always allow for the retrieval of several views from a buildingmodel that is used for the production of drawing and also for other uses. The views are alwaysconsistent automatically. This is because they are based on only one definition of each instanceof the object (Azhar et al, 2011).
CIVIL CONSTRUCTION AND BUILDING PROCUREMENT3Several institutions that have employed the use of BIM have always reported increased returnsfrom their investments in generally shorter periods of the project life cycles. This is because theyare able to save on a lot of paperwork that was initially involved as well as saving on the costsinvolved in carrying out of the project.BIM execution plan and stagesThis is a vital and equally necessary part of the development of any new building project. It isvital when carrying works in any type of international project that is collaborative in a bid toensure that all the individuals that are working on the given project are collaborating and are onthe same page carrying out their duties as required. When a BIM execution plan of any project iscarried out properly, it will play an important role in ensuring that the project is carried perfectlyand will, therefore, be able to give answers to any question that could arise at any point of theproject. The initial BIM execution plan is most commonly created pre-contract that will prevailto the suppliers the approach that is intended for the project. It also clearly shows how it isplanned to be carried out (Azhar et al, 2008). At the point when the contract is awarded, anotherexecution plan is again created that is meant to focus on all the capabilities that come from thesupply chain. Once the plan is implemented, it will assist all parties involved in the project tostay in right on course. At times when there may be drawbacks or even some information thatneeds to be readjusted or changed, the overall execution plan will still remain clear and is stillable to be carried out. This, therefore, enables all personnel that is involved in the project to keeptrack of any activity that they are carrying out hence the project will have improved chances ofbeing successful.
CIVIL CONSTRUCTION AND BUILDING PROCUREMENT4The steps that are involved in the implementation of the building information model executionplan are as follows;Stage zero: StrategyThis stage is used in order to ensure that the business case and strategic brief of the client arewell put into consideration before developing the initial brief of the project. The initial roles areassigned for all the members of the team. Some of the several tasks that are carried out at thisstage include the following;Discussing the employer information requirementDiscussing the type of software that should be used for the designDefining the project objectivesStrategic exchange of brief informationStage one: BriefAt this point, all the members of the team are to contribute to the project in relation to the dutiesthat they were assigned. Here, all the above tasks have been carried out and a brief informationon the project is shared and details of how BIM can be implemented is clearly defined. Thefollowing activities are carried out;Preparation of the execution planCarrying out reviews on the feasibility studies and the project programmeCreating a responsibility matrix that involves the exchange of information with the leaddesigner.Collecting the details that contribute to the project execution plan
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