Maintenance strategies for the pharmaceutical industry.
Maintenance and service-related items are often the second-largest budget element in a laboratory after salaries and benefits
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The challenges facing in pharmaceutical maintenance
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The challenges facing inThe challenges facing in
Pharmaceutical MaintenancePharmaceutical Maintenance
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Philosophy and Key Concepts
“Maintenance programs have long been
recognized as critical to the success of the
operations they support.
Maintenance has the potential to affect both
the quality of products and the compliance of
pharmaceutical processes”
3. 3 |
Philosophy and Key Concepts
This presentation discusses the challenges and benefits of applying a science and risk based
commissioning and qualification approach within a contract manufacturing organization.
Do you have a framework for a risk-based approach for maintenance systems or component best
practices?
Fig. From ISPE Good Practice Guide Maintenance‐
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Challenge 1 : A risk-based approach to maintenance is not used
A better way is to use a risk-based approach that classifies each piece of equipment in terms of its
impact on product quality.
Direct Impact (Product Critical Equipment)
Any equipment whose failure may directly impact or affect product quality
For example: a mixing vessel
Indirect Impact (Process / System Critical Equipment)
Equipment whose failure may indirectly affect process or system performance, thus affecting final
product quality or safety
For example: the temperature monitor in an autoclave
No Impact Equipment
Equipment whose failure will not impact final product quality, safety or the environment
For example: the security boom gate at the site entrance
Safety/Environmental Impact System
Equipment whose failure may directly affect safety or the environment.
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Challenge 2 : Computerized Maintenance Management Systems (CMMS)
A CMMS system is computer software that helps maintenance teams keep a record of all assets they
are responsible for, schedule and track maintenance tasks, and keep a historical record of work they
perform.
A CMMS typically performs five GMP-critical tasks:
a) Allocating a Unique Identifying Number (UINs) to each piece of equipment
b) Describing the validated plant configuration
c) Being the repository of maintenance plans
d) Holding records of maintenance activities
e) Scheduling maintenance activities
Selecting the right Computerized Maintenance Management
System (CMMS) is an important business decision.
Comparing different CMMS software, and then making a
purchasing decision, can be difficult and time consuming.
However, the reward can be a system that pays for itself
within 6 months. Adopting a systematic approach will make
the CMMS evaluation process a smooth one.
A CMMS system is computer software that helps maintenance teams keep a record of all assets they
are responsible for, schedule and track maintenance tasks, and keep a historical record of work they
perform.
A CMMS typically performs five GMP-critical tasks:
a) Allocating a Unique Identifying Number (UINs) to each piece of equipment
b) Describing the validated plant configuration
c) Being the repository of maintenance plans
d) Holding records of maintenance activities
e) Scheduling maintenance activities
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Challenge 3 : Maintenance Plans
Maintenance Planning and Scheduling are key elements that influence the true success of any
organization. Many times we have a planner or planner/scheduler, but do not know how to use him or
her effectively or efficiently. When we talk about maintenance planning, we are talking about higher
wrench time. At this time of economic uncertainty, a higher wrench time equals lower cost, which
results in job security for all. Past studies have shown that most companies do not perform
maintenance planning effectively thus impacting negatively work effectiveness, wrench time,
equipment uptime, equipment reliability, and cost. If we were “Effective in Maintenance Planning”, it
would result in Higher Wrench Time and Higher Equipment Reliability.
In Maintenance Scheduling, once we have achieved the discipline required and maintenance plans
are completed on time the reliability of facilities and assets increase at a high rate.
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Challenge 4 : Training of the Maintenance Staff
Do your maintenance workers and contractors know the impact of changing a setting on a piece of
production equipment? Do they understand the concept of a validated state? Do they know when to
involve QA?
It’s hard enough to get them to complete maintenance records, let alone Change Control forms. Yet
simple maintenance activities such as changing filters or adding lubricant can dramatically impact
product quality.
The GMP regulations require all contractors to be trained
appropriately before they enter GMP areas. Developing tight, long
term relationships with your contracting suppliers is critical. Their
HR systems should trigger GMP training for every new hire. You
could request that small contracting companies use a simple
checklist when a new hire commences work. "GMP training" could
be on that checklist
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Challenge 5 : Equipment Documentation
The ideal here is that all the documentation for a piece of equipment should be in the hands of the
maintenance technician before he starts work. Extra marks if he’s read it! This documentation
includes:
The manufacturer’s operation manual
The manufacturer’s installation manual
The manufacturer’s service manual
Details of the validated state of the equipment, e.g., settings used
Any maintenance records
Any work instructions or procedures covering the use of the equipment
Engineering drawings
Process and instrument diagrams
The ultimate system would be to have controlled electronic copies of all these documents that the
technician calls up from a wireless tablet PC. Realistically, you are more likely to have paper-based
documentation stations within the plant. We recommend that you assign someone to keep
manufacturers' documentation up to date (often a simple web search & download). This person can
also make photocopies of documentation (never let maintenance staff walk off with the originals) and
issue uncontrolled copies of quality documents as needed.
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Challenge 6 : Procedure
“Write a good maintenance procedures is essential to a successful maintenance program”
Policies, procedures and work instructions should exist for all maintenance activities. These
documents form an essential training resource for maintenance staff and contractors. This
documentation will also be requested by auditors, who know that maintenance is a GMP-risk.
They will ask to see documentation that describes the what, when and how of maintenance. Make
sure that you have it and that it’s followed. It’s worthwhile to get a professional technical writer to
produce this documentation; this will ensure that the documents are useful and understandable.
Use a risk-based approach to prioritise the documentation needed. The highest risk occurs during
times of change, including projects and annual shutdowns. Start by documenting how these are
handled.
The documentation system must be kept simple. Say what you are going to do and do what you said.
The auditors will ask staff to “show me,” so if the documentation says that you do it, they will ask to
see proof of it. They have a practiced eye to detect impractical systems and drill down. You don’t want
to be at the bottom of the drilling.
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Challenge 7 : Outsourcing Maintenance
The pharmaceutical industry has faced significant competitive pressures over the past several
decades that continue unabated. These pressures have led to interest in and adoption of new, more
efficient and scalable operating models. Outsourcing is a major strategy that the industry has adopted
across a broad range of value-chain activities.
Maintenance is outsourced for two reasons:
– Expertise does not reside in house
• Ex. – HEPA filter integrity testing
– Finance says it is a good way to save money
• Outsourcing firm pays lower salaries and benefits
Results of Outsourced Maintenance:
1. Abandon Continuous Improvement
2. Reduced responsiveness
3. Leading Indicator of Impending Quality Problems
• The Vision of Finance to Reduce Costs has taken the
place of any possible Maintenance Vision
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Recap
Don’t let Finance run Maintenance – HAVE A VISION!
Use manufacturer’s expertise when designing processes that use their products
Maintenance deserves an equal place at the Scheduling table with Production