Siddiqui, Asim Ahmed ORCID: 0000-0003-1090-871X, Lawrence, Peter ORCID: 0000-0002-0269-0231, Kneidl, Angelika, Abualdenien, Jimmy, Thompson, Peter and Könnecke, Rainer (2023) OpenBIM for Occupant Movement Analysis industry report: a perspective from the Building Room. Technical Report. buildingSMART International Ltd., Hertfordshire.

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Abstract

The safety and comfort of building occupants are of vital importance. For building design and compliance checking concerning occupants’ safety in buildings, prescriptive codes are usually used. However, for more complex buildings the prescriptive rules are not always applicable, and therefore, a performance-based approach (engineering approach) is employed. This performance-based approach to fire safety which is also known as Fire Safety Engineering (FSE) utilizes either hand calculations or computer model simulations (using simulation tools) to determine whether the performance indicators are fulfilled according to regulations and then in turn establish if a building is compliant.
Occupant Movement Analysis (OMA) includes aspects of non-emergency and emergency movement of people. Circulation modelling focuses on the non-emergency movement of people, whereas evacuation modelling as part of the FSE-based analysis focuses on the emergency movement of people. During the planning and lifecycle process of a building, circulation modelling plays an important role. It offers a deep insight into the building’s functionality and capacity concerning occupants’ flow and comfort, thus, improving space utilization and productivity. On the other hand, evacuation modelling is used to determine evacuation times and possible bottlenecks in the building’s design. In short, OMA has an important role in establishing occupants’ safety and comfort during the building lifecycle, particularly during the design phase.
The use of Building Information Modelling (BIM) is increasing significantly but for OMA the adoption is still relatively slow, which impedes the realization of potential BIM benefits such as mitigating risk and cost reduction. The goal of this paper is to provide an insight into how buildingSMART International (bSI) is adding support for OMA requirements in the IFC Model. Work was initiated to develop a Information Delivery Manual (IDM) for OMA that focuses on capturing the data requirements including key simulation results produced by the pedestrian modelling tools. This work will not only incorporate properties into the IFC Model to meet the common needs of OMA data exchange requirements for the modelling tools but in turn also enable an open, connected iterative workflow.
The following three broad use cases are presented in this paper to highlight the work which is currently underway:
1. Evacuation Analysis – based on The Royal Institute of British Architects (RIBA) stages.
2. Evacuation Analysis – International (non-country specific).
3. Circulation Analysis – International (non-country specific).

Item Type:	Monograph (Technical Report)
Uncontrolled Keywords:	evacuation analysis; fire safety; BIM; circulation analysis; occupant movement analysis
Subjects:	H Social Sciences > HD Industries. Land use. Labor > HD28 Management. Industrial Management Q Science > QA Mathematics > QA75 Electronic computers. Computer science Q Science > QA Mathematics > QA76 Computer software
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science Faculty of Engineering & Science > Centre for Numerical Modelling & Process Analysis (CNMPA) Faculty of Engineering & Science > Centre for Numerical Modelling & Process Analysis (CNMPA) > Fire Safety Engineering Group (FSEG) Faculty of Engineering & Science > School of Computing & Mathematical Sciences (CMS)
Last Modified:	09 Mar 2023 14:55
URI:	http://gala.gre.ac.uk/id/eprint/38774

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