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of ISO 55001 and ISO 45001 we carry Shortly afterwards, in September FIGURE 4 INTEGRATED MANAGEMENT SYSTEMS
out internal audits at planned intervals 2018, WWU underwent an audit for
using the following structure: the migration to ISO 45001, replacing SHEA INTERNAL AUDIT
Establishing the audit programme the Occupational Health and Safety
Implementing the audit programme Assessment Series (OHSAS) 18001
ISO 55001
ISO 45001
Monitoring and reviewing the audit British standard. WWU was the first ASSET MANAGEMENT OCCUPATIONAL HEALTH
programme gas distribution network to successfully SYSTEMS & SAFETY MANAGEMENT
Improving the audit programme achieve the standard, receiving two SYSTEMS
Corrective actions identified during minor non-conformities relating to
an audit are used to improve the internal audits. CONTEXT OF THE CONTEXT OF THE
management system, which itself is ORGANISATION ORGANISATION
subject to audit. Project background LEADERSHIP AND
Figure 5 demonstrates the SHEA I was appointed as Asset Officer for LEADERSHIP WORKER PARTICIPATION
internal audit structure, how it follows the Process Safety, Standards and
the methodology of ISO 55001, ISO Assurance (PSSA) team in October 2018. PLANNING PLANNING
45001 and the high-level principles of When I started the role, I identified
plan, do, check, act. the need to integrate myself into the SUPPORT SUPPORT
SHEA internal audit process, improving
Review of SHEA internal audit procedures my understanding of WWU’s SHEA
The SHEA internal audit process itself objectives and statutory requirements. OPERATION OPERATION
is subject to audit. This allows WWU to To achieve these goals, I was tasked
provide assurance of conformance with by my manager to review the SHEA PERFORMANCE PERFORMANCE
EVALUATION
EVALUATION
legislation, policies and procedures, audit policy and procedures and
as well as evaluate whether our audit address the recommendations and IMPROVEMENT IMPROVEMENT
process remains appropriate to achieve audit findings of the high-level review.
our SHEA objectives. However, I wanted to go beyond PLAN DO CHECK ACT
When looking at accident causation addressing these recommendations, I
within our business, there are many wanted to engage with my colleagues
layers or controls to mitigate hazard or from the different audit teams across
accidents occurring. the business, understanding their Once these objectives were agreed,
Reflecting on the ‘Swiss cheese unique approaches to auditing SHEA I initiated contact with my colleagues
model’, each cheese slice illustrates activities and obtaining their opinion within operations and the WGA.
a layer of defence between hazards and endorsement for my proposed
and accidents occurring. These layers changes to the current processes. Connecting with colleagues
can include different controls such as Before commencing the project, I As a new member of the PSSA team, I
policies and procedures, inspections, established my key end goal objectives realised it was going to be important for
safe control of operations (SCO) which I wanted to achieve by the end of the delivery of this project to establish
and audits. There can be flaws or December 2018: positive working relationships with my
weaknesses in each layer which is To review and update: colleagues in operations and the WGA,
represented by the holes. When these • WWU’s policy for SHEA (internal) as well as the wider asset management
holes align this can allow opportunity audit (WW/PL/A/2) team. In early November 2018, I invited
for accidents to occur, or provide a • WWU’s management procedure for the Operations Health, Safety and
“trajectory of accident opportunity”. SHEA (internal) audit (WW/PM/A/3) Environment Manager and the Safety &
By evaluating the effectiveness of • WWU’s work procedure for SHEA Integrity Manager for the WGA to meet
our SHEA internal audit policy and (internal) audit (WW/PR/A/4) with me.
procedures, we can demonstrate Integrate the policy and procedure The purpose of these meetings
compliance with our asset management documents, so that they was to discuss the recommendations
and occupational health and safety complimented each other, were and audit findings around the SHEA
managements systems. It also allows consistent, and fit better together as internal audit process, plus my ideas
us to identify any weaknesses in our a whole for implementing improvements. I
processes, apply corrective actions and Evolve a better fit across the also wanted to gain their insight and
explore opportunities for continual three areas of the business (asset opinions on the proposals.
improvement. In other words, we are management, WWU operations and Opening a dialogue with my
ensuring that our cheese is not past its the WGA) colleagues in operations and the WGA
sell-by date. Ensure the overarching principles for identified common themes and priorities
SHEA internal audit are consistent in terms of the SHEA audit process.
Opportunities for continual improvement Review and update the policy and However, there were also challenges.
Review recommendations and procedures to address the two minor Due to the nature of our business, the
management system findings non-conformities identified during different departments require a flexible
During July and August 2018, a the ISO45001 migration audit framework that defines core principles
well-respected industry auditor carried Address recommendations made whilst allowing different business
out an independent high-level review during a high-level review of WWU units to adapt to their needs. This was
of our SHEA and engineering audit SHEA audit process something I had to ensure was reflected
process. This high-level review provided Review and implement continual throughout the updated procedures,
recommendations and opportunities for improvement, preparing for the audit of particularly regarding inputs into the
WWU to improve the SHEA audit process. the asset management system in 2019 audit plan and timescales.

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