Security, Safety and Occupational Health


Security, Safety and Occupational Health

Sustainable Development Goals

Opportunities and Challenges

In 2020-2021, PTT faced occupational health and safety challenges from various circumstances and risks, such as the spread of COVID-19, stakeholders’ activities or operations collided with PTT’s operations leading to accidents, and aging processing equipment. These are circumstances that can lead to injuries, illness, death, or property damages, as well as sudden halt of important operations that can impact business capability and competitiveness. It can impact the country, the community, as well as the stakeholders. The challenges created opportunities for PTT to improve the company’s security, safety, and business continuity management to be more efficient and resilient, prepared for risk in every shape and form without any impacts on business operations and stakeholders.

Safety and Occupational Health 

PTT’s security, safety, and occupational health management is in accordance with the SSHE Management System, established policiesPTT Group’s SSHE Management Standardslong-term andannual goals, as well as monitor and evaluate performance efficacy and efficiency in accordance with the laws, standards, and international guidelines. This includes report developments per government agencies requirement and transparent information disclosure to the public.

PTT main operational sites, Rayong Gas Separation Plant, Gas Transmission System, NGV Mother stations are certified according to ISO 45001, ISO14001 by Management System Certification Institute (Thailand) (MASCI).

PTT’s safety management encompasses personal safety, process safety, and logistic safety, aspiring to become a zero-accident organization to ascertain all stakeholder groups.

PTT prioritizes building safety engagement with employees and contractors by fostering safety culture throughout the entire organization under the Security, Safety, Occupational Health, and the Environment management system, including stimulation of strategic targets and annual targets to continuously control and monitor performance of the PTT Group. Furthermore, PTT aims to ceaselessly elevate security management, minimizing risks of threats that may incur in various forms. These risks can cause significant loss to business and employees’ safety.

PTT has continuously developed and applied tools from various standards. The emphasis is on building safety behaviours through reporting system for incidents, accidents, near misses, and sub-standard act/conditions on the intranet system. The system can record incidents, analyse, and investigate for true cause. PTT also develops mitigation measures and prevention online, as well as disseminating information internally to prevent recurrence in the future. In addition, PTT allows employees and contractors to refuse to work when they deem their work as unsafe without being considered an offense. Furthermore, authority to halt work is granted when an employee or contractor is found to be performing potentially hazardous work.

Employees’ Safety

PTT promotes awareness to employees and subcontractors, specifically to instil safety behaviours through diverse training for all employees and subcontractors. PTT also organizes Incident Injury Free Project (IIF) for Natural Gas Separator Plant employees. The project uses integrated management process according to the 5-step IIF principles:

  • Planning
  • Assessment
  • Engagement
  • Skills
  • Sustaining

This includes implementation of PTT Life Saving Rules in operations throughout working hours, by communicating, emphasizing, and conducting performance in alignment to work. Furthermore, PTT also promotes safety and occupational health, clearly identifying the process and steps in development of organizational SSHE culture. All employees are engaged in building the culture through public relations, organizing events to foster safety and occupational health culture, such as performance observation, exchange knowledge of safety and occupational health etc.

Moreover, PTT gives great attention to PTT Group Occupational Health Management System, whose system is in accordance to international standards. It serves as a guideline in occupational health management and allowed the development of a proactive occupational health performance indicator, which is called ‘Health Performance Indicators (HPI)'. This indicator helps users understand occupational health performance and increase efforts to elevate work efficiency continuously. In order to enhance employees’ and operators’ understanding, PTT has also developed multiple occupational health manuals/guidelines to disseminate information regarding occupational health which includes the PTT Group Occupational Health Management System Guideline. This measure is purposed to disseminate knowledge regarding occupational health and continually improve the guidelines for the implementation of occupational health.

Health Risk Assessment is one of the tools used to assess potential health impacts that may occur with PTT’s employees and operators due to contact or exposure to other risks at work. There are also measures to control and decrease the level of health risks as well as the organization of an annual health check-up. This was delivered in tandem with knowledge sharing measures to employees prior to worksite entry. In some cases, there are risks in which operators may be exposed to hazardous chemicals. For such situations, PTT has developed the monitoring of work environment; established work duration and mandated for workers to wear appropriate protective equipment (PPE). Additionally, there are also continuous health promotion projects to encourage employees and subcontractors to have good health.

Process Safety Management 

Process safety accidents can cause damages to life, assets and environment, widespread and severe. It can also affect stakeholders throughout the entire supply chain. Therefore, PTT Group focuses on preventing severe accidents such as fires, explorations, and hazardous chemical contamination. The Group uses Process Safety Management (PSM) to focus on accurate process safety design and plant construction design according to engineering principles and international standards. While ensuring operators can operate machines according to operation manual. Machines and equipment must be maintained regularly according to international standards. 

PSM System is communicated via PTT Integrated Management System (PIMS) and Operational Excellence Management System (OEMS). The system connects to lead responsible departments, which are Engineering, Operation, Maintenance and SSHE. The roles and responsibilities are divided according to related management topics.

PTT Group manages process safety strictly. PTT Group Process Safety Management Task Force is a network of over 40 PTT Group’s executives and employees from companies within the PTT Group including PTT, PTTEP, GC, IRPC, TOP, GPSC, OR, PTTTANK, PTTLNG, PTTAC and TTM. This task force continuously drives collaboration, exchanges of information about technical operations and good practices in production process safety management, and an opportunity to share lessons learned from mistakes that led to fatal accidents within the PTT Group and industry groups around the world In 2021, PTT developed verification and control processes for Major Accident Events (MAEs). It builds on an adaptation of the Bow Tie Analysis technique, which has continuously been implemented since 2019, in analyzing and addressing safety risks in production processes on operation sites. The objective of this effort is to ensure that MAE control measures are effective and fit for purpose, that equipment malfunction control measures are updated, and equipment is kept in normal working conditions. Effective and fit-for-purpose MAE control measures can not only prevent major accident events, reduce production lost time, and ensure continuous business operations, but also reduce the potential impact on communities and the environment surrounding operation sites. PTT Group Barrier Validation Guideline was developed, and training programs were conducted to share knowledge with PTT and PTT Group employees. The guideline was piloted in two locations. This enabled development and elevation of production safety performance standard’s effectiveness in PTT and the PTT Group’s operation sites.

PTT Group has established a collection of PTT Group’s process safety indicators, which consists of Leading and Lagging Indicators. The indicators reference international standards of data collection, API RP 754, to promptly prevent losses. Process safety event tier 1 and 2 indicators are communicated to relevant parties, as PTT Group’s annual QSHE targets. This includes regular follow-ups on the performance allow for prompt prescription of measures for corrective action and prevention of loss from production process accidents.


PTT has formulated PTT Group’s Security and Safety Management Standards and Risk Assessment. They serve as a framework for security and safety governance, ensuring consistency across the organization and covers all PTT Group and PTT operation sites. There are frequent reviews of the approach to ensure it fits circumstantial context since 2011. Personal and asset security and safety practice has also been developed to serve as a guideline step for PTT Group’s operations. PTT Group’s safety and security assessor committee comprises of experts and PTT Group’s safety personnel, joining forces to support performance assessment and related safety performance grievance. This can be used as information to continuously improve security and safety management improvement. Notably, PTT facilitates governmental networks in communicating news and immediate requests for any assistance. Furthermore, there are security and safety plan practices in the different PTT Group operational areas, in tandem with periodic emergency practice plan. This strengthens readiness and capacity to manage crises systematically and effectively.

PTT prioritizes security and safety management development. The work is categorized into three main aspects, comprising of human capital development, operational approach development, and deployment of security innovation. Highlight projects are as follow:

  • Human Capital Development: organized seminars on security, security course training with other internal and external departments, and organized a security emergency drills in collaboration with government agencies, as well as participate in security assessment
  • Operational Approach Development organized PTT Group’s security management approach, multiple processes per stipulated in PTT Security Management Framework. This includes responsiveness of PTT Group’s Security Officer Response Options (SORO) according to human rights principles.
  • Implementation of Security Innovation: utilized technology for security management, such as Visitor Management, CCTV and Access Control. There are also trial runs for the Face Recognition system and application of the Geological Information System. These can be used to serve as security information database. Furthermore, there are also tests for internal application which aims to elevate the level of internal security and safety to an even better efficiency level.

PTT recognizes human rights violations may occur due to security performance. PTT has thus formulated human rights measures within PTT Group’s Quality, Security, Safety, Health, and Environment Policy. The policy encompasses preservation of lives, assets, and corporate information. There are trainings for security officers as part of the contract’s requirements. These requirements comprise of martial arts training and individual screening etc. Security officers are screened by PTT Group’s security and safety assessment. PTT aims to ascertain that security officers are fully aware of their rights in duties and while performing work to ensure no human rights violations will occur.

Transport Safety Management

For petroleum products, the most important issue is to prevent and minimize risks of accidents, which would not happen if transporters and all employees failed to comply to logistic safety standards and requirements stringently, aiming to decrease statistics of severe accidents and fatalities from transportation to zero. 

1) Safe transportation of petroleum truck utilizes the five Pillar principle serving as the management cornerstone for PTT Group’s transportation service providers to adhere to follow. This comprises of 

  • Pillar 1 SSHE Management: designating transportation providers safety, occupational health and environment management system, such as transportation safety policy (working hours, alcohols, narcotics, usage of cell phone, seatbelt), designating transportation safety targets, risk assessment, reports and investigation of accidents 
  • Pillar 2 Organization Management: designating transportation providers to have a specific department responsible for SSHE. Personnel in the department must be knowledgeable and capable to operate in accordance with the set policies and targets.
  • Pillar 3 Vehicle & Equipment Management: designating transportation providers to find transportation vehicles and equipment of standards, with monitoring, maintenance and upkeeping of vehicles and equipment to ensure usage safety daily. 
  • Pillar 4 Driver Management: designating transportation providers to procure and select logistic officers  of set qualifications (male age 25-55 years old, with a driver license matching the type of vehicles, unexpired, with good health, no forbidden diseases per legal requirement, no criminal history, and trained in Defensive Driving). This includes readiness-check prior to each trip. Every driver is also entitled for the Right to Refuse and Stop Work Authority.
  • Pillar 5 Journey Management: designating transportation providers to assess route risks, develop route card, and install In Vehicle Monitoring System (IVMS).

2) Safe transportation of petroleum products through five Pillar management principle, comprises of

  • Hazard Identification and Risk Assessment, identifying scope, overall process and SSHE impacts that may occur to individuals, environment, corporate assets and performance, as well as risk assessment. This includes stipulating appropriate control measures to be at the level of As Low As Reasonably Practicable (ALARP)  
  • Developing TOR, establishing SSHE requirements as part of the chartering requirement, such as incident report, accident investigation, and SSHE performance reporting
  • Selection and Chartering, establishing the selection and chartering requirements, and mandating it as part of the selection and chartering criteria 
  • Monitoring, establishing a ship monitoring process and performance monitoring to ascertain compliance to relevant regulations and standards. This encompasses the stage prior to first use, prior to stopping at piers, during operations, during transportation, both pick-up and drop-up, in accordance to the TOR and/or the contract 
  • Evaluation, conducting transport service providers’ SSHE performance evaluation, which may influence future chartering 

3) Promotes safety driving for employees through 4E principle

  • Engineering: installation of driving behavior monitoring system in company’s vehicles to assess and analyze driver’s behavior and apply the information in Defensive Driving course planning, as well as in accident investigations
  • Education: required drivers to participate and pass the assessment from the Defensive Driving course which renews every 5 years
  • Encouragement: driving behavior affects vehicle usage allowance
  • Enforcement: stipulate and reenforce road safety rules and regulations (e.g. traffic law compliance, seatbelts, no alcohol consumption or sedative medication, avoid driving during 22.00-05.00 or distance longer than 100 km, no phone usage while driving.)

Key Performance

PTT Group’s safety, occupational health and environmental performance 
Indicator2021 Goal2021 Performance
Lost Time Accident (LTA) (persons) Employee and Contractor:  0 Employee 1
Contractor 7
Employee Total Recordable Injury Rate (TRIR)
(cases per 200,000 working hours)
Employee: not higher than 0.059  0.019
or equivalent to
0.095 per 1 million working hours
Contractor Total Recordable Injury Rate (TRIR)
(cases per 200,000 working hours)
Contractor: not higher than 0.072 0.066
or equivalent to
0.33 per 1 million working hours
Major Truck Accident Rate*
(cases per 1,000,000 kilometers)
Not exceeding 0.014 0.004
Number of oil and chemical spillage 0 0
Control, monitor, and audit for compliance against environmental measures Control, monitor, and audit for compliance against measures at construction phrase by 100% Control, monitor, and audit for compliance against measures at construction phrase by 100%

PTT’s Lost-time injuries frequency rate (LTIFR) 
(Persons per 1 million working hours)






Employee 0.13 0 0.15 0
Contractor 0.11 0.11 0.15 0

PTT’s Days Away/Restricted or Transfer Rate (DART)
(Persons per 200,000 working hours)






Employee 0.02 0 0.03 0
Contractor 0.04 0.025 0.029 0

Lost Workday Case (LWC) 
(Persons per 200,000 working hours)






Employee 0.02 0 0.03 0
Contractor 0.04 0.025 0.029 0

PTT’s Lost Workday Rate (LWD)
(Persons per 200,000 working hours)






Employee 0.065 0 0.09 0
Contractor 0.59 0.11 0.537 0

PTT’s Total Recordable Injury Frequency Rate (TRIFR) 
(Persons per 1 million working hours)






Employee 0.215 0.305 0.445 0
Contractor 0.305 0.19 0.545 0.2

PTT Group’s Process Safety Incidents Tier 1 

PTT Group’s Process Safety Incidents Tier 2


- Scope of data covers PTT, PTTEP, TOP, GPSC, IRPC, OR, GC
- PTT Group’s process Safety Incidents Tier 1 and Tier 2 report is in accordance with the American Petroleum Institute standards (API) API RP 754
- In 2021, PTT Group changed Tier 2 indicator to a summation of Tier 1 and Tier 2

PTT Group’s Long-Term Safety Targets
Indicator2024 Target

Total Recordable Injury Rate (TRIR)
(cases/200,000 working hours)





Total Recordable Occupational Illness Rate (TROIR)
(cases/200,000 working hours)


Highlight Projects and Activities

Safety, Occupational Health, and Environment ManagementSDGs 8.8

- PTT Safety Campaign PTT promotes safety knowledge and awareness through a variety of programs that involve employees, such as Risk Seeker, Risk in Road Safety, Safety Clip Contest, Safety Task Observation, Safety Drive Challenge; and promotes a safety culture underpinned by the 5T principle (Think, Talk, Tour, Teach, Trust). All operators take part in identifying risk areas and reporting them through an accident reporting system, including accidents, near miss incidents, and substandard safety behaviors or conditions. Reported through the Company’s intranet system, incidents are recorded and analyzed and investigated for root causes. In addition, PTT has also established online preventive and corrective measures, including sharing information within the organization to guide preventive efforts on future similar incidents. 

In 2021, majority of the employees worked from home, but there were 2,696 risks reported and recorded in the system. This figure is lower compared to 2020 numbers. PTT will continue to implement this project in the next year, following employees’ return to regular on-site work. Because of the safety awareness raising program for employees, there was no major accident in 2020.

Revise and Encourage PTT Life Saving Rules implementation across all work areas  PTT puts fundamental safety rules into practice by communicating, underscoring, and implementing them as appropriate to the nature of work. Operations monitoring and reviews of operational risk assessments have led to fewer accidents and no Lost Time Accidents (LTA). Under these safety rules, PTT permits employees and contractors to cease work upon discovering unsafe conditions, without being subject to disciplinary measures, while providing them with the rights to stop working when employees or contractors are found performing potentially dangerous work. As a results, there was zero major incident and non-compliance case in 2020.

Awareness building for employees and contractors This was achieved through various training programs conducted for all employees and contractors. In 2021, required occupational safety and health training programs were provided to all new employees, supervisors, and management personnel. These trainings included basic occupational security, safety, health, and environmental training (SSHE1 Training). This training was conducted by management and operational level security personnel, the Security, Safety, Health and Environment Committee to a total of 18 cohorts. Basic safety knowledge training programs were also provided to all contractors prior to work commencement

- Health Performance Indicators (HPI) System Development This was developed to raise PTT Group’s occupational health proactively. PTT Group’s occupational health and safety working group has developed the HPI assessment guideline for implementation. This is to disseminate knowledge on health and continuously improve guidelines for effective occupational health operations. Additionally, PTT also conducts health risk assessments of all employees and operators resulting from contact or receipt of various risk factors at work. The company also determined health risk controls and mitigating measures, as well as provided employees with annual health check-ups. Trainings are also conducted to provide knowledge to employees prior to the start of work. In the case of onsite operators who are likely to encounter danger, PTT conducts work environment inspections, limits operating hours, and requires the wearing of appropriate personal protective equipment (PPE). Additionally, PTT continuously organizes regular health promotion activities to promote good health for employees and contractors.

Occupational Safety and Health Management during the Covid-19 Pandemic
As the Covid-19 pandemic became more severe in March 2020, PTT established a Covid-19 Monitoring and Surveillance Center (“PTT Palung Jai Center”) to monitor the pandemic and effectively manage the situation within the group company. Strict safety measures for employees, contractors and external parties working within PTT areas have been announced mandating compliance to prevent increasing cases, comprising.
  • Communicating and providing knowledge on new virus-induced disease and good practices 
  • If employees must visit areas with severe pandemic, they are expected to strictly follow the relevant governmental agencies’ measures, as well as avoiding going to public space, keeping a face mask on, washing hands regularly, and maintaining social distance
  • If an employee is considered an at-risk group per the government’s announcement, they are advised to immediately see a doctor and report to supervisors for consideration of 14-day Work@Home policy for monitoring. They are to track their body temperature daily and follow doctor’s advice strictly
  • In case a person with COVID-19 is found in an area, the person must be transported to the hospital as soon as possible. There must also be consideration for opening EMC / CMC in alignment to business continuity management (BCM) plan as mandated and announced by the governmental agencies 
  • Operation site management, stipulating cleaning and disinfecting contact points, setting control points, the building’s entry-exit screening points. Cleaning alcohols and sanitization gel is also provided at various points, along with a temperature monitor. Face masks are provided and areas at risk of COVID-19 cluster is forbidden. Upon finding a person with COVID-19, the ozone disinfection is used to sanitize the area additionally.
  • To operate in the areas, there is a restriction in number of individuals permitted to work onsite. There must be social distance and all must provide results from their Antigen Test Kit (ATK) or RT-PCR. The results must be negative before receiving permission to enter the operation site. One must also receive at least two vaccine shots. The measures are to be strictly complied.

PTT Group Bow Tie Analysis and Barrier ValidationSDGs 8.8

In 2021, PTT developed verification and control processes for Major Accident Events (MAEs). It builds on an adaptation of the Bow Tie Analysis technique, which has continuously been implemented since 2019, in analyzing and addressing safety risks in production processes on operation sites. The objective of this effort is to ensure that MAE control measures are effective and fit for purpose, that equipment malfunction control measures are updated, and equipment is kept in normal working conditions. Effective and fit-for-purpose MAE control measures can not only prevent major accident events, reduce production lost time, and ensure continuous business operations, but also reduce the potential impact on communities and the environment surrounding operation sites. PTT Group Barrier Validation Guideline Handbook was developed, and training programs were conducted to transfer knowledge to PTT and PTT Group employees. The handbook was piloted in two locations: GC and PTTLNG. This enabled the company to be aware of detected areas of concern and make needed improvements. This effort is an improvement and elevation of safety standards in the PTT and PTT Group’s processes at operation sites.

Product Transport Safety ManagementSDGs 3.6

Equipment is installed and applied technology. To help track and monitor driving behavior continuously and seriously. By the transport control center and there is a promotion campaign in the form of rewards for companies and drivers who have good driving behavior assessment results and have never been in an accident according to the specified criteria.

To ensure its implementation, it has determined that transport company must be audited at least once a year according to the PTT Group Road Safety Management Guideline: RSMG.  In 2021, the PTT Group Audit Committee was set up to participated in the observation of transportation management audits with 6 carrier companies in the PTT Group to learn and improve RSMG audit standards of the PTT Group in the same direction.

In the field of safe transportation of petroleum products by ships, in 2021, PTT Group's guideline on ship transportation safety management has been prepared for operators to apply.

PTT has determined that the application of the manual both by car and by ship as part of the employment contract to ensure that entrepreneurs must apply the manual in systematically and continuously. Besides, PTT has set contractor audit at least once a year. In 2021, the assessment of car and ship operators were 100% complete and the assessment results meet the specified criteria.

Emergency, Crisis, and Business Continuity ManagementSDGs 8.8

PTT has improved its Emergency and Crisis Management Plan to be in alignment with the National Disaster Prevention and Mitigation Plan. PTT has organized annual emergency and crisis management and business continuity drills in order to help concerned parties understand and be adept at emergency and crisis management processes while ensuring sustained business continuity management.

In 2021, PTT reviewed and improved its business continuity management system, while conducting business continuity management drills. In the event of an incident in which a local LPG transport vessel collides with the Khao Bo Ya bridge and pipeline, product (LPG, C3, C4, Crude Oil, HSD, NGL) receipt and dispensation through the sea ceased on November 11, 2021. The Chief Executive Officer and President presided over the rehearsal, with executives who were identified in the Crisis Management Center (CMC) as participants. The company also connected the CMC with the Emergency Management Center (EMC) through the Video Conference unit, leading to PTT’s ISO 22301 certification status retention by the Management System Certification Institute (MASCI). All information and performance are analyzed and translate into l observations and opportunities for further reviews and improvements.

Future Plan

PTT is committed to managing safety, which includes personal safety, production safety, and transportation safety. PTT has a goal of becoming an accident-free organization to give confidence to all stakeholder groups. It also promotes employee and contractor engagement in safety by being committed to building and embedding an organization-wide safety culture through the Incident and Injury Free Project (IIF); implementation of the security, safety, health, and environment management system (SSHE); and establishment of annual strategic goals and goals for continuous control and monitoring of PTT Group’s performance and third party assurance. These are important foundations in driving towards corporate-wide implementation and continuous improvement.