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Time Location Chart -
Time Location Diagrams

Time location charts

Time Location Charts or Time Location Diagrams fall into a category of linear scheduling or location-based scheduling and are known by many other names depending upon the industry or region, other names (referenced from Kenley, Russell; Seppänen, Olli (2010). “Chapter 1: Introduction”. Location-Based Management for Construction.) are explained below.
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An Alternative Form Of Representing Project Schedules

They are an alternative form of representing project schedules that are ideally suited to linear projects where work progresses in a repetitive manner and/or in a continuous linear-direction over the project’s physical location and also where works occur in fixed locations that interface with the linear works. Examples of linear projects include:







High-rise vertical buildings

A computer screenshot of Turbo Chart's linear scheduling software showing a time location chart in action

Traditional Project Bar or GANTT Charts

Features of traditional project schedule outputs are:
– Horizontal time axis, units of hours, days, weeks etc…
– Vertical axis uses a work breakdown structure that can be:

  • A static hierarchical structure (e.g. P6 WBS feature)
  • Develop a flexible flat or hierarchical structure using coding, user-defined fields (e.g. phase, discipline)
  • Single task per row
  • When used for location, requires defined discrete values

Time Distance Diagram / Time Location Chart

An alternative project schedule output is to switch the axes and present schedule tasks differently, known as Time Distance diagrams or Time Location Charts:
  • Vertical axis now represents time
  • Horizontal axis represents physical work areas, using a continuous range from a defined start point to an endpoint
  • Schedule activities are shown progressing through the physical locations
A computer screenshot of Turbo Chart's linear scheduling software showing a time location diagram in action

Key Features of Time Location Charts

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