Project BIM Brief

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Estimating

Using BIM quantification tools

Using BIM quantification tools This approach associates with the use of specialised Quantity TakeOff (QTO) software, that transfer the BIM models and their embedded information from BIM design tools into their system. Similar to the previous approach, these tools can support both the automated extraction and manual take-off features. They can generate visual take off… read more »

Naming Protocols in quantification

Understanding Naming Protocols The role of the quantity surveyor will adapt within the BIM environment. The largest difference will be the volume of detailed measurement by hand that is no longer required and will be replaced by automatic quantity take off. There are a number of software solutions that can be used for this; however,… read more »

Data Exchange

Managing Data Exchange Building Information Modelling offers the capability to develop project cost information with more accuracy throughout the entire building lifecycle. The key to successful use of BIM‐based costing will be the development of processes and methods within organizations. The level of detail required in a building model will vary depending on project phases,… read more »

BIM estimating

One of the most important features of estimating in  BIM is its capability to explain building data through a 3D visual model. This representation gives its users a clearer understanding of a building project and reduces the chances for missing or misrepresenting components. Traditional costing applications by their nature have been text‐oriented – listing, tabulating,… read more »

Quantity Take-off

After the scope has been analysed and broken down into construction tasks, each task must be quantified prior to pricing. Equal emphasis should be placed on both accurate quantity calculation and accurate pricing. Quantities should be shown in standard units of measure and should be consistent with design units. Assistance for preparing “takeoffs” may be… read more »

Objects and naming conventions for a QS

Objects and naming conventions Rather than permitting object naming to follow the typical conventions of the particular design practice responsible, or even to follow the standard families systems in design packages such as Autodesk® Revit® software products, it is important to agree at project inception how model objects will be named to allow them to… read more »

The role of the quantity surveyor in BIM

It is important to understand how the role of the quantity surveyor could change or adapt in the future; this is because the direction of the industry is still being defined and developed in line with either UK standards level 2 principles of BIM or RICS NRM1 Standards. Henry Riley research took the approach to… read more »

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