Please use this identifier to cite or link to this item: https://doi.org/10.1061/(ASCE)CO.1943-7862.0000292
Title: PDM++: Planning framework from a construction requirements perspective
Authors: Chua, D.K.H. 
Yeoh, K.W.
Keywords: Alternative schedules
Constraints
Construction management
Construction requirements
Dynamic construction requirements
Logical operators
Meta-intervals
PDM++
Planning
Schedule constraints
Scheduling
Static construction requirements
Issue Date: Apr-2011
Source: Chua, D.K.H., Yeoh, K.W. (2011-04). PDM++: Planning framework from a construction requirements perspective. Journal of Construction Engineering and Management 137 (4) : 266-274. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)CO.1943-7862.0000292
Abstract: Construction requirements represent the key preconditions for construction. These include topological precedence, key resources, space requirements, etc. Consequently, identifying them is necessary for feasible construction planning to be achieved. Despite this, little attention has been given to the impact of construction requirements on a project schedule, possibly because of the lack of a good tool for representing these requirements. This paper distinguishes construction requirements into static and dynamic types, according to changes in the need of the requirement during its life cycle. A modeling framework, PDM++, is then proposed. The framework deals with schedule constraints arising from both static and dynamic construction requirements, provides greater semantic expression to capture schedule constraints unambiguously, and facilitates the representation of interdependent conditional relationships. The concept of meta-intervals is also devised to represent complex requirements involving several activities and schedule constraints, and it facilitates modeling at higher levels of plan abstractions. Finally, an illustrative case study is presented to show the applicability of PDM++ in representing schedule constraints and alternative scheduling from a construction requirements perspective. © 2011 American Society of Civil Engineers.
Source Title: Journal of Construction Engineering and Management
URI: http://scholarbank.nus.edu.sg/handle/10635/59152
ISSN: 07339364
DOI: 10.1061/(ASCE)CO.1943-7862.0000292
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