Create Bar Chart Construction Schedule On-line
[ Example Construction Schedule
Most suitable for Construction scheduling of small to medium size Projects with a duration up to one year,
as well as for educational purpose.
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How to use this simple tool?
- Break down the construction project into major activities,
- Estimate the time required for each Activity, based on knowledge of the work, experience, as well as records of similar previous jobs
- Specify, for each activity, the previous activity - or activities - that
should be completed before its start. These are called predecessors of the
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Note: The above tool is designed to produce a bar chart construction schedule for small projects,
with a maximum of ten activities.
The Tables below show the data entered for the Example bar chart Construction Schedule.
|Project Start Date:||09-Jun-2010|
|Project Completion Date||05-Dec-2010|
|No. of Activities||6|
View Output Bar Chart Schedule
|Code||Description||Duration (days)||Predecessor Activities|
|1||Activity 1||60|| |
This tool is available in other languages: [Chinese (Simplified)
] - [French
] - [German
] - [Spanish
] - [Portuguese
Earliest Start of an activity
: (The highest earliest finish of precedent activities) Or (The earliest start of precedent activity + duration of lead), whichever is the greater.
Earliest Finish of an activity
: (The earliest start of the activity plus its duration) Or (earliest finish of preceding activity + duration of lag) whichever is the greater
Latest Finish of an activity
: (The lowest latest start of succeeding activities) Or (the latest finish of succeeding activity - duration of lag), whichever is the lesser.
Latest Start of an activity
: (The Latest Finish of the activity minus its duration) Or (the latest start of succeeding activity minus duration of lead), whichever is the lesser.
: An activity whose earliest and latest start and finish times are the same.
: The difference between latest start and earliest start or latest finish and earliest finish.
: The lowest earliest start of succeeding activities minus earliest finish of the activity.
: The difference between Total Float and Free Float.
: The lowest earliest start of succeeding activities minus highest latest finish of preceding activities minus duration of the activity.
Use of the Construction bar chart schedule
The chart produced by the above tool can be utilized by a number of people for varying purposes, subject to the degree of details involved:
- The estimator requires the schedule in order to develop proposed methods and estimates.
- The site manager needs the chart at the start of the work to determine his resource requirements.
- During execution of the works, the site manager needs the chart to assist him to direct his resources, to monitor progress, to evaluate the effect of the changes that may be imposed by varying productivity, by mistakes, by unforeseen physical conditions or by the owner.
- The foreman need the schedule in order to know when and where to allocate labors, as well as to order materials.