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TIME-CHAINAGE DIA-GRAMSewon Kim, Kevin Tran, Mary Svenner-borg
Contents
What is the Time-Chainage Diagram? What is the principal benefit? History Advantage of Time-Chainage chart Example Think about References
1.What is the Time-Chainage Diagram?
TIME CHAINAGE
1.What is the Time-Chainage Diagram?
It is an extension of the Bar Chart (Gantt Chart).
enables the time dependencies between activities to be shown, together with their order and direction of progress along the job.
2.What is the principal be-nefit? The principal benefit is the management
of work in confined spaces where typi-cally only one operation can be per-formed at a time.
Description of Diagram
3.History
Widely applied roadwork projects and in the development of the motorway system in UK for many years
used for the planning of the tunnelling and fixed equipment installation on the channel tunnel project
Discussed in proceedings of the Institution of Civil Engineers
Applicable only for limited types of project not as widely appreciated in the industry as
bar charts and network techniques.
4. Advantage of Time-Chainage chart
When Constructing
Roads Railways Pipelines Tunnels Transmission Lines Bridges
4. Advantage of Time-Chainage chart
Easy to know
The order of activities or operations Where activities are happening location-
ally How activities must progress in relation
to direction and distance Time, key dates and holidays, etc.
5.Example
Business of constructing the road The length of road = 3.5 Km Starting point of construction = 0+000 Finishing point of construction = 3+500 6 Activities on construction plan 6 Steps to draw Time-Chainage Diagram
6 Activities
Fencing Drainage Bulk Earth-
works Footbridge Retaining
wall Road Surfac-
ing
6 Steps
6 Steps to draw diagram
Step 1
Draw the diagram layout Decide the intervals of chainage 1000m Series1
6 Steps to draw diagram
Step 2
Select either the horizontal or vertical format
Draw an outline with time and distance (chainage)
Add main holiday periods allowing 2 weeks
026
Hol-iday
28
Chainage
Tim
e(
Weeks
)
6 Steps to draw diagram
Step 3
Make the main program activities or op-erations OPERATION EXAMPLE
Set up siteOffices for con-tractor and en-
gineer
Activity 1 Fencing
Activity 2 Drainage
Activity 3 Bulk Earth-works
Activity 4 Foot Bridge
Activity 5 Retaining Wall
Activity 6 Road Surfacing
Holiday Christmas Shut down
6 Steps to draw diagram
Step 4
Fill in the ‘site set-up’ and ‘clear site’ ac-tivities
6 Steps to draw diagram
Step 5
Decide in turn where and when each ac-tivity will take place
25
15
Act112
16
Act21520
Act3 Act4-25
-16
Act5
-16
-24
303
5 Act6Project Comple-tion
6 Steps to draw diagram
Step 6
Complete all activities on the list
6.Think about
Advantage of Horizontal axis -Easy to notice that has to be con-
structed.
Advantage of Vertical axis -More easier to read by those familiar
with bar charts.
The choice is a matter of personal pref-erence.
References
ICE(1992) Proceeding of the Institution of Civil Engineers. The Channel Tunnel Part 1: Tunnels. Thomas Telford.
http://www.noweco.com/qei/qeie08.htm
Cormican,D.(1985) Construction Management: Planning and Finance. Construction Press
http://pclarke.co.uk/html/time_chainage.html