Work Order Execution and Data Capture
Daryl Mather
All of the work of backlog management, planning and priority
targeted capacity scheduling are focussed on efficient execution.
To ensure that the tasks that need to be done, as per the true
requirements of the plant, are done in a timely manner with
as little waste of human and material resources as is possible.
These will ultimately be an exercise in futility if the processes
governing execution of tasks are not developed and followed
in a disciplined manner. Of all the works required to provide
a sound base of planning, scheduling and execution, this is
the most critical. Without enforced schedule compliance there
can be no true measure of improved execution, and without effective
methods for data capture future analysis will be based on incorrect,
incomplete or insufficient data.
Execution is an integral part of the work order life cycle
and relies on a series of processes:
- Work package preparation
- Daily Scheduling
- Data capture / Reviews
Work Package Preparation
Preparing work packages for efficient execution needs to
be an integral part of the scheduling process. Accurate procedures
and tips, required tooling and equipment, accurate estimates,
relevant drawings and illustrations as well as safety information
all need to be presented for the supervisor to assign the work
to their team/s.
This can be a time consuming task and as much as possible
needs to be automated. There are a number of software packages
on the market designed for such a purpose.
This needs to be presented to the supervisor in a manner
that is easy to use, as well as relevant. Forms can be integrated
within this package to capture specific information relating
to the tasks. (Eg: Durations, additional tools etc.)
Like all other aspects of the maintenance function, work
package preparation requires constant feedback in order to
continuously improve the information presented to work teams.
For example without feedback as to the relevance or accuracy
of drawings the same drawings will be called on every time
the work is executed.
Daily Scheduling
Once the weekly schedule has been passed to the supervisor
it needs to be constantly updated to reflect changes to the
operating environment. As most facilities or plants are still
fighting with reactive style maintenance regimes, the probability
of breakdowns and other unplanned events interrupting the daily
flow of works is high.
The setting of levels for capacity scheduling needs to allow
for these factors by leaving a percentage of man-hours for
the rise of possible reactive works.
Daily scheduling needs to focus on:
- Unfinished works for the current day
- Planned/Scheduled works for the following days
- Changes to operations windows and accommodating these in
a manner focused on priority.
Responsibility for this can sit either with the Schedulers
or with the Supervisor. With the schedulers focussing on the
following weeks work it is advisable for the supervisor to
assume this role. However strict guides need to be set in place
to facilitate this process.
For example breakdowns do not necessarily require attention,
if there is redundancy built into the plant or if there is
ability for operations to re-organise there works then a balance
between the scheduled priorities and breakdown priority needs
to be found.
Without either higher priority tasks arising, unexpected
changes in labour availability or changes to operations plans
there should be no reason at all to re-schedule works. Any
changes need to be justified along these lines and reports
put in place to measure and control this function.
The most common problem associated with execution is the
Supervisor believing they are able to schedule works at their
own discretion. Although they are the closest to the action
and, in some cases, they may do this very well. It is not a
sustainable manner for the maintenance departments to operate,
neither is it focused on the systems of prioritisation and
capacity scheduling that are used for delivery of the correct
tasks at the correct time.
Data Capture and Reviews
This process needs to be developed to match the needs of
the organisation. As much as possible the text of each completed
work order should be in a standardised format. This can mean
focussing on such things as:
- Failure causes per specific equipment coding
- Codes highlighting the work done
- Completion text containing further tips for execution,
as well as any changes required to the work order template
or planning information. This needs to cover safety areas
also.
- Coding to identify any related work orders, or indication
as to other work required
- Indication of the duration and man-hours taken to complete
this works. (The majority of CMMS systems currently on the
market will be able to perform this via timesheet functions,
eliminating the need for man-hours indication at point of
completion.)
All items are crucial to further improvement in the execution
of tasks; they can also be vital to effective root cause analysis.
Although these codes need to be highlighted at the time of
CMMS implementation, they should be reviewed regularly to ensure
that they are accurately fulfilling their role of providing
a good base of data for future analysis.
Who enters the data?
This is an area where there is usually a lot of disagreement
amongst maintenance practitioners. As the maintenance function
has become more sophisticated the number of work orders has
increased dramatically. This is necessary due to the focus
on future analysis and improvement that the modern CMMS system
has given us the capability to perform.
So who should enter the data? Some organisations use the
planner / scheduler for this task, while others believe that
allowing the tradesmen to do so is a form of empowerment.
I have taken the view that data entry is not a form of empowerment,
nor is it a duty that the maintenance planner / scheduler should
be required to perform. The sheer amount of data entry that
modern CMMS systems provide requires the dedicated services
of a technical clerk for maintenance. This role can also be
used for many updating and data entry tasks, depending on the
amount of training provided.
Use of craft employees and or planning / scheduling staff
reduces the amount of time these roles can be focussed on their
core functions.
A review process for ensuring the data integrity on closure
of works orders could appear thus:
- Hand written works orders passed to the supervisor at completion
of the days work or of the task itself
- Supervisor to review the data to ensure it accurately reflects
the works done, and in sufficient detail
- Planner to review the data for the following purposes:
- Changes to planning templates (Estimates, durations,
additional tips and changes to procedures, documentation
or safety information)
- Review of coding for compliance with overall business
objectives
- Raising of additional works orders to cover extra
tasks noted by the craft workers or caused during the
execution of the work
- Technical Clerk to enter the data into the corporate CMMS
system
- Exception reports to be analysed by the planner / scheduler
to ensure that no work order has slipped through the system.
By focussing on the areas outlined in this article, the maintenance
department can move one step closer to a continuously improving
environment. All of the preceding work on backlog management,
planning and scheduling are focussed, primarily, on effective
execution. While the data generated during execution needs
to be focussed, at all times, on improvement.
Again, without the support and understanding of management,
this area of the maintenance function will remain unchanged
and less than optimum. Training in this process, as well as
all of the codes and roles within the process, needs to be
delivered regularly on a role specific basis. Neglecting this
vital communication function will ensure that the system does
not progress at all. |