In addition to the formwork, VSL provides turnkey services in construction including: As such, VSL integrates details into its formwork systems that make the equipment safe to use, user friendly and highly efficient.
There are many factors to account for in a progress update — type of measurement, accuracy of the data, and the system of record are all important factor in accurate progress measurements.
Sure there a 3 choices for Percent Complete Types, but how to we decide which one works best and under which conditions? Inaccurate progress will foil your ability to spot early warning signs of trouble ahead. Usually a task that is done repeatedly tends to take about the same amount of time, resources and effort, so tracking the units completed works well here.
A simple example could be installing standard light fixtures. Each fixture takes roughly the same amount of time.
If we had fixtures to install then we can simply count the units installed. In this case, there are no subjective experience-based judgement involved. An example of this technique is the forming and placing of a concrete foundation wall — laying the foundation wall on footings, erecting inside wall panels and brace, setting horizontal and vertical rebar in formwork and so forth needs to be done in sequence to complete the task appropriately.
So how do you calculate this data? The calculation is built on each single step and the budgeted amount of time labour hours that is needed to complete the task by the construction crew.
As each step is completed, they are documented as a mini-milestone which represents a percentage of the total installation process. The percentage given for each sub-task can vary based on the project.
This progress is usually agreed on to be used as a measuring tool beforehand. A good way to implement this method in Primavera P6 is using Activity Steps.
You would implement this method if the tasks work estimations are not available or if the percent complete progress data is too difficult to collect. These percentages are determined by the owner and contractor of the project. Examples of this are testing or experimental tasks since you cannot get results until the task is completed.
Often used for Overhead costs, this technique is measured based on the budgeted allocation of dollars vs. This method gives the contractor the ability to earn value that is equal to the overall percent of project completion.
Weighted or Equivalent Units This method was highlighted as the best technique in the text and is the one that requires more effort, but also extends to a wider data range. The tasks that are being calculated tend to occur over a longer duration time and includes multiple sub-tasks, where sub-tasks can have different units of measurements.
The example used to illustrate this method is building a structural steel package. In order to complete this project it requires various units, labour hours, resources and sub-tasks. So once each sub-task has been completed, the weighted tons units of measure is then converted to the equivalent units of percentage complete of the overall project.
These 6 methods for measuring project progress are commonly used in Construction project management and filter into a process of determining a percentage complete for the project as a whole using Earned Value Management.
Which of these methods do you use the most on your projects? Del Pico, Wayne J. Integrating Cost and Schedule in Construction.
She loves to travel and has a strong interest in practicing meditation — oh and playing Mah Jong! You can connect with her on LinkedIn at:Accurately measuring the progress of a project is always a challenge. There are many factors to account for in a progress update – type of measurement, accuracy of the data, and the system of record are all important factor in accurate progress measurements.
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