Endgame
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Abstract. Construction zones are geometric units of work in the construction planning process. Using construction
parameters and geometric properties, construction zone generation mechanisms change the level of detail of the 3D
geometry and corresponding activities of the planned project. We have defined and implemented a set of
mechanisms for construction zone generation. Decomposition provides various ways to generate detailed zones,
while aggregation generates combined zones. To support these mechanisms, we have formalized a geometric
representation based on triangular meshes that can represent the activity workflow, project spatial hierarchy, local
variations in productivity, and activity state information on a component at any given time. This paper summarizes
the mechanisms and describes various planning/scheduling applications of these mechanisms, such as rapid plan
evaluation, resource and workflow balancing in 3D, and association of schedules at multiple levels of detail. Our
contributions are the formalization of these zoning mechanisms, representation and algorithms to support these
mechanisms, and planning/balancing methods utilizing the mechanisms.
Keywords: construction planning; geometric algorithms; construction zones; line-of-balance techniques
1. INTRODUCTION
Today, it is difficult for construction superintendents
and schedulers to consider and communicate
alternative plans even with the existence of 3D
models...