Expo 2030 Riyadh KAFD Building 1.10, Floor 17 KAFD City Riyadh 12512 Saudi Arabia MAIL TYPE Workflow Transmittal MAIL NUMBER BECHTEL-WTRAN-018509 REFERENCE NUMBER BECHTEL-WTRAN-018509 Final (WF-017816) ABD-0062-HSW-PLN-00003 Project HSE Plan From Mr Mahmoud Bayoumy - Bechtel Global To (5) Cc (3) Sent Wednesday, 19 August 2026 9:50:43 AM AST (GMT +03:00) Status N/A Mahmoud Bayoumy Final (WF-017816) ABD-0062-HSW-PLN-00003 Proj... 9:50 AM BECHTEL GLOBAL WORKFLOW TRANSMIT... BECHTEL-WTRAN-018509 Mr Mohamed Favas - Abyatona Development Company (+4 more...) Ms Noura AlSaweed - Expo Riyadh Company (+2 more...) DOCUMENT ATTACHMENTS (2) ( 2 selected) File Document No Revision Revision Date Title Status ABD-0062-HSW-CRS-00004 03 12/08/2026 Project HSE Plan A - Approved ABD-0062-HSW-PLN-00003 03 12/08/2026 Project HSE Plan A - Approved MESSAGE Workflow Review History The attached documents have completed the "ABD-0062-HSW-PLN-00003 Project HSE Plan" workflow with the following results : This transmittal was automatically generated. Doc No Step Participant Review Outcome Comments ABD-0062-HSW-PLN- 00003 PMC DCC Review M Bayoumy A - Work May Proceed ABD-0062-HSW-CRS- 00004 PMC DCC Review M Bayoumy A - Work May Proceed Project HSE Plan Design & Build of ERC Headquarter Complex Document No:ABD - 0062 - HSW - PLN - 00003_02 Document Revision: 02 Document Revision Date: 10/05/2026 Document Name: Project HSE Plan EXPO 2030 RIYADH COMPANY Revision No. 02 Revision History Revision Code Description of Changes Purpose of issue Submission Date 01 For Approval 22/04/2026 02 For Approval 10/05/20 26 03 For Approval 09 /0 8 /20 26 Name Prepared By Eleumar Carmona Reviewed by Ahmad Obeidat Approved By Ahmad Obeidat Job Title HSE Manager Project Manager Project Manager Signatures Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 3 Table of Contents 1 PURPOSE ................................ ................................ ................................ ....................... 6 2 PROJECT SCOPE AND DESCRIPTION ................................ ................................ ...... 6 3 GOALS AND OBJECTIVES ................................ ................................ ......................... 6 3.1 Zero Harm Commitment ................................ ................................ ................................ 6 3.2 Regulatory and Contractual Compliance ................................ ................................ ......... 7 3.3 Incident Prevention ................................ ................................ ................................ .......... 7 3.4 Workforce Health and Wellbeing ................................ ................................ .................... 7 3.5 Environmental Protection ................................ ................................ ................................ 7 3.6 HSE Competency and Aw areness ................................ ................................ ................... 7 3.7 Subcontractor HSE Integration ................................ ................................ ........................ 7 3.8 Continuous Improvement ................................ ................................ ................................ 7 4 OCCUPATIONAL HSE POLICY STATEMENT ................................ ......................... 7 5 ACRONYMS AND ABBREVIATIONS ................................ ................................ ........ 8 5.1 Units ................................ ................................ ................................ ................................ 9 6 PROJECT ORGANIZATIONAL CHART ................................ ................................ ... 10 6.1 Responsibilities ................................ ................................ ................................ ............. 11 6.2 The Right to Stop Work ................................ ................................ ................................ 15 6.3 HSE Authority Matrix an d Escalation Structure ................................ ........................... 16 7 ABYATONA 3 PILLARS OF OHS ................................ ................................ ............. 19 8 HSE KPI’s ................................ ................................ ................................ ..................... 22 8.2 Lagging Key Performance Indicators ................................ ................................ ............ 26 8.3 Leading Key Performance Indicators ................................ ................................ ............ 27 9 COMMUNICATION AND LANGUAGE BARRIERS ................................ ............... 27 10 SUBCONTRACTOR AND VISITOR HEALTH AND SAFETY ............................... 28 10.2 Visitor Management, Site Access Control and Security Compliance ............................ 28 10.3 Sub - contractor Selection and Appointment ................................ ................................ ... 34 11 RISK MANAGEMENT ................................ ................................ ................................ 36 11.2 Risk Management Plan ................................ ................................ ................................ .. 37 11.3 Project Risk Register ................................ ................................ ................................ ..... 37 12 TOOLBOX TALKS (TBT) AND PRE - TASK BRIEFING (PTB) ............................... 38 13 TRAINING REQUIREMENTS ................................ ................................ .................... 39 13.2 Safety Induction for Emp loyees ................................ ................................ .................... 40 13.3 Safety and Job Skills Training ................................ ................................ ....................... 40 13.4 Safety Training for Site Supervision and Safety Staff ................................ ................... 41 13.5 Internal and External (3 rd party) ................................ ................................ ................... 41 14 AUDITS, INSP ECTION, NONCONFORMITIES AND CORRECTIVE ACTIONS 42 14.2 Management Review ................................ ................................ ................................ ..... 44 Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 4 15 INCIDENT MANAGEMENT ................................ ................................ ...................... 48 15.2 Requirements ................................ ................................ ................................ ................. 49 15.3 ABYATONA’s Senior Management and HSE Representative ................................ ..... 49 15.4 Incident Severity Classification ................................ ................................ ..................... 49 15.5 Incident Notification and Re porting Timeframes ................................ .......................... 52 15.6 Incident Investigation ................................ ................................ ................................ .... 53 16 RISK ASSESSMENT / METHOD STATEMENTS (RAMS) ................................ ...... 54 17 RAMS (Review & Approval Process) ................................ ................................ ........... 55 17.2 Required RAMS Format and Content ................................ ................................ ........... 56 17.3 Method Statement ................................ ................................ ................................ .......... 56 18 HEALTH AND SAFETY MEETING REQUIREMENTS ................................ ........... 57 18.1 The HS&E meeting structure ................................ ................................ ........................ 57 18.2 HSE Meeting Terms of Reference (TOR) ................................ ................................ ..... 57 18.3 Meeting Responsibilities ................................ ................................ ............................... 58 19 PERSONAL PROTECTIVE EQUIPMENT (PPE) ................................ ...................... 58 20 OCCUPATIONAL HEALTH PROGRAMS ................................ ................................ 60 20.1 Medical & First Aid ................................ ................................ ................................ ...... 60 20.2 Health Aspect ................................ ................................ ................................ ................ 63 21 SITE WELFARE ARRANGEMENTS ................................ ................................ ......... 64 21.1 General Welfare Requirements ................................ ................................ ..................... 65 21.2 Sanitary Facilities ................................ ................................ ................................ .......... 65 21.3 Washing Facilities Requirements ................................ ................................ .................. 65 21.4 Minimum Toilet, Washbasin and Urinal Requirements ................................ ................ 66 21.5 Shower Facilities ................................ ................................ ................................ ........... 66 21.6 Drinking Water ................................ ................................ ................................ .............. 66 21.7 Breaks, Meals and Rest Facil ities ................................ ................................ .................. 67 21.8 Mosque (Prayer Room) ................................ ................................ ................................ 68 21.9 Fire Safety ................................ ................................ ................................ ..................... 68 21.10 Waste Disposal ................................ ................................ ................................ .............. 68 22 Transportation ................................ ................................ ................................ ............... 69 23 HAZA RD SUBSTANCES PROGRAM ................................ ................................ ....... 72 23.1 Hazardous Substance Inventory ................................ ................................ .................... 73 23.2 Safety Data Sheets (SDS) ................................ ................................ .............................. 73 23.3 Labelling ................................ ................................ ................................ ........................ 74 23.4 Monitoring and Health Surveillance ................................ ................................ .............. 76 23.5 Transport/Shipping ................................ ................................ ................................ ........ 77 23.6 Storage ................................ ................................ ................................ ........................... 77 23.7 Training ................................ ................................ ................................ ......................... 78 23.8 Documentation ................................ ................................ ................................ .............. 78 Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 5 24 HSE OPERATIONAL MANAGEMENT PROCE DURES ................................ .......... 79 24.1 Heat & Cold Stress Management ................................ ................................ .................. 79 24.2 Management of Night Work ................................ ................................ .......................... 83 24.3 Ladders ................................ ................................ ................................ .......................... 85 24.4 Scaffolding ................................ ................................ ................................ .................... 90 24.5 Temporary Electrics ................................ ................................ ................................ .... 101 24.6 Plant and Equipment ................................ ................................ ................................ ... 113 24.7 Manual and Portable Power tools ................................ ................................ ................ 129 24.8 Work at height and Fall protection ................................ ................................ .............. 134 24.9 Fire Pre vention and Controls ................................ ................................ ....................... 137 24.10 Confined Space ................................ ................................ ................................ ............ 138 24.11 Ground Works and Excavation ................................ ................................ .................... 141 24.12 Hot Works ................................ ................................ ................................ ................... 144 24.13 Lifting Operations ................................ ................................ ................................ ....... 145 24.14 Concrete and Masonry ................................ ................................ ................................ 149 24.15 Manual Handling ................................ ................................ ................................ ......... 152 24.16 LOTO (Lock out / Tag out) ................................ ................................ ......................... 156 24.17 Temporary Works ................................ ................................ ................................ ........ 161 25 EMERGENCY RESPONSE PLAN ................................ ................................ ............ 167 25.1 Requirements ................................ ................................ ................................ ............... 167 25.2 Potential Emergency Situations & Response Arrangements ................................ ....... 170 26 PERMIT TO WORK PROGRAM ................................ ................................ .............. 173 26.1 Responsibilities ................................ ................................ ................................ ........... 174 26.2 Excavation Works ................................ ................................ ................................ ....... 175 26.3 Essentials of the Permit - to - Work ................................ ................................ ................ 176 26.4 Records & Reference ................................ ................................ ................................ ... 176 26.5 Procedure ................................ ................................ ................................ ..................... 176 27 REWARDS AND RECOGNITION ................................ ................................ ............ 179 27.1 HSE Incentive ................................ ................................ ................................ ............. 179 27.2 HSE Disciplinary Action ................................ ................................ ............................. 179 28 HSE Document Control & Record Management ................................ ........................ 180 29 APPEND ICES ................................ ................................ ................................ ............. 183 29.1 Appendix A: ABYATONA Disciplinary Matrix ................................ ........................ 183 29.2 Appendix B: HSE Legal Registry ................................ ................................ ............... 187 29.3 ISO Certificate ................................ ................................ ................................ ............. 188 30 REFERENCE DOCUMENTATIONS ................................ ................................ ........ 189 Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 6 1 PURPOSE This Health, Safety and Environmental (HSE) Plan and Procedures document define ABYATONA Development & Contracting Company’s integrated approach for managing health, safety, and environmental performance during the executio n of the Works under this Contract. The plan establishes the framework, responsibilities, procedures, and control measures required to ensure that all project activities are executed safely, responsibly, and in full compliance with the Employer’s requireme nts, applicable Saudi Arabian regulations, and recognized international best practices. The HSE Plan forms a core part of ABYATONA’s project execution strategy and demonstrates our commitment to protecting personnel, the environment, project assets, and s urrounding stakeholders throughout the project lifecycle. 2 PROJECT SCOPE AND DESCRIPTION The project comprises the design, construction, installation, testing, commissioning, and handover of the works as defined in the Employer’s Requirements and associate d technical documentation issued by Expo Riyadh Company (ERC). The scope includes, but is not limited to: • Detailed design development and engineering coordination. • Site preparation, mobilization, and temporary facilities setup. • Civil, structural, architec tural, and MEP works. • Utility connections and infrastructure integration. • Installation of equipment and associated systems. • Testing, commissioning, and final handover activities. • Demobilization and site reinstatement. The execution of the Works involves m ultiple interfaces with stakeholders, subcontractors, suppliers, and regulatory authorities, requiring a structured and proactive HSE management approach to control risks associated with construction, logistics, temporary works, environmental conditions, a nd workforce activities. 3 GOALS AND OBJECTIVES To ensure effective implementation of the HSE Plan, ABYATONA establishes the following project specific HSE goals and objectives: 3.1 Zero Harm Commitment Achieve zero fatalities and prevent serious injuries thr ough proactive risk management and strong safety culture. Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 7 3.2 Regulatory and Contractual Compliance Maintain full compliance with Saudi regulatory requirements, Employer HSE standards, and contractual obligations. 3.3 Incident Prevention Identify, assess, and mitigate hazards through systematic risk assessments, permit - to work controls, and safe work procedures. 3.4 Workforce Health and Wellbeing Provide safe working conditions, proper welfare facilities, and occupational health protection for all personnel. 3.5 Env ironmental Protection Minimize environmental impact through effective waste management, pollution prevention, and resource control measures. 3.6 HSE Competency and Awareness Ensure all personnel receive appropriate HSE training, inductions, and ongoing awar eness programs. 3.7 Subcontractor HSE Integration Ensure all subcontractors and suppliers operate under ABYATONA’s HSE management framework and standards. 3.8 Continuous Improvement Monitor performance through inspections, audits, and incident investigations t o drive continual improvement. 4 OCCUPATIONAL HSE POLICY STATEMENT Abyatona is committed to safeguard human health and safety and conserving the environment as an integral part of its business. To achieve this goal the company has established detailed proce dures documented in the Health, Safety and Environment Manuals, to give guidance to its employees. The objectives of these procedures are: • Maintaining HSE Management System. • Complying with all applicable legal and other requirements that apply respectively with Health and Safety. • Setting objectives, responsibilities and accountability for Health and Safety performance across the company. Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 8 • Ensuring appropriate resource to achieve the full implementation of Health, Safety and Environment. 5 ACRONYMS AND ABB REVIATIONS Term Expansion ACS Assemblies for Construction Sites AED Automated External Defibrillator ALS Advanced Life Support CEMP Construction Environmental Management Plan CFR Code of Federal Regulations COSHH Control of Substances Hazardous to H ealth CPHSP Construction Phase Health and Safety Plan CPR Cardiopulmonary Resuscitation Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 9 EN European Standards ERC Expo Riyadh Company ERP Emergency Response Plan GOSI General Organization for Social Insurance HSE Health, Safety and Environment HS MS Health and Safety Management System HV High Voltage IFC International Finance Corporation IP Ingress Protection or International Protection ISO International Organization for Standardization KSA Kingdom of Saudi Arabia KPI Key Performance Indicato r LTI Lost - Time Injury LTIR Lost - Time Incident Rate LV Low Voltage MOD Ministry of Defense MOH Ministry of Health MOI Ministry of Interior MV Medium Voltage NCR Non - Conformance Report NEBOSH National Examination Board in Occupational Safety and He alth NFPA National Fire Protection Association OSHA Occupational Safety and Health Administration PPE Personal Protective Equipment PTW Permit to Work RAMS Risk Assessment and Method Statement RCD Residual Current Device SDS Safety Data Sheet SMART Technique utilized to establish objectives and KPI's. SPECIFIC - MEASURABLE - ACHIEVABLE - REALISTICTIME BOUND SVN Safety Violation Notice TRACK Think through Task; Recognize Hazards; Assess the Risks; Control the Risks; Keep HSE First in all Things TRIR Tot al Recordable Incident Rate 5.1 Units Term Expansion ° C Degrees Celsius A Ampere dB Decibel dBA A - Weighted Decibels kg Kilogram km Kilometer km/h Kilometers per Hour lx Lux m Meter mA Milliampere mm Millimeter ms Millisecond V Volt Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 10 6 PROJECT ORG ANIZATIONAL CHART Position Qty ERC Requirement Status HSE Manager 1 Mandatory Compliant Environmental Manager 1 Mandatory Compliant Welfare Officer 1 Mandatory Compliant HSE Engineer 2 Mandatory Compliant HSE Officer 4 Mandat ory Compliant First Aider 2 Mandatory Compliant • All HSE personnel deployment, competency, certification, and approval status shall comply with ERC Safety Management requirements and ERCSM staffing criteria. Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 11 6.1 Responsibilities HSE responsibilities for the project personnel at all organizational levels, also for staff in the head offices will be established and clearly cascaded through job descriptions roles and responsibility in responsibilities in accordance with the general requirements of Abyato na Health and Safety Requirements. The Project organizational structure shall include defined HSE authority levels, escalation responsibilities, stop - work authority, and ERC reporting hierarchy in accordance with ERCSM requirements. 6.1.1 Managing Director Ove rall accountability for HSE performance. 6.1.2 Project Manager a. Project Manager shall ensure that safety responsibility is not shouldered by the Safety Manager, Safety Supervisors & Safety Officer alone but as well as with the entire construction Team. b. Project Manager is responsible for the implementation of the HSE plan and ensures that it is reviewed regularly, kept up to date and used to monitor compliance on its implementation by the respective site engineer. c. Shall ensure that all works are carried out as pe r ERC Global Standards and its requirements, including the appropriate resources need to implement them. d. Shall ensure conformance to the approved HSE Plan and/or this document including its appendices, Local law and international codes. The objective is to ensure that all Program Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 12 Participants use common terminologies, procedures, forms/formats, systems, project management tools and have the same understanding of the project requirements. e. Ensure that safety is not compromised at any time to meet other proj ect parameters and expectations such as those relating to cost and schedules. f. Make suitable arrangements for regular consultation between construction managers, superintendents, supervisors, employee representatives and Abyatona representatives on matters of health, safety and the environment. g. Ensure that all incidents involving injury, damage to property or harm to the environment as well as near misses are reported to the designated Company officers and are thoroughly investigated to identify the causes s o that there is no recurrence. It is also a duty to see that any recommended corrective action should be initiated as soon as possible. h. Ensure that all critical and hazardous tasks and activities are adequately planned and that appropriate Job Safety Analy sis or other equivalent system for these tasks had been processed, communicated and discussed with concerned discipline Supervisor/Foreman and his crew. 6.1.3 Construction Manager The Construction Manager is responsible for developing HSE related project execu tion instructions under the guidance of the Project Manager that shall be implemented and cascaded down by line management and through contract language. a. Understand the company safety policy and the responsibility allocated to each grade of supervision. b. K now client safety requirements and relevant Saudi Government Workmen’s Regulations, and ensure they are observed. c. Ensure proper working methods and the provision of welfare facilities. d. Determine the following at the planning stage: 1. The most appropriate ord er and method of performing the job. 2. Allocation of responsibilities for client, subcontractors, and other Abyatonas nearby. 3. Storage areas, access, etc. 4. Any hazards identified under the hazard identification plan. 5. Facilities for welfare, first aid and sanit ation. 6. Work permits procedures and its requirements. 7. Basic precautions for dealing with fire hazards. e. Provide written instructions to establish work methods, explain the sequence of operations, outline potential hazards at each stage, and indicate precauti ons to be adopted. f. Check over work methods and precautions with supervision before work starts. g. Create safety awareness by promoting safety meetings, presentations, and open forum discussions and by implementing safety training. Set a good personal exampl e on site by wearing appropriate protective clothing and equipment at all times. Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 13 6.1.4 HSE Manager a. Supervising all construction subcontractors site activities and inspect the work site daily to report and correct the unsafe actions and/or conditions. b. Preparin g and issuing weekly and monthly HSE reports to Client. c. Participating in site HSE induction and specific training for all site personnel d. Participating in site Incident investigation process. e. Preparing and leading all HSE meetings at site. f. Preparing HSE sta tistics and presentations that reflect site HSE performance indicators and highlighting areas of improvements. g. Set a personal example by wearing appropriate protective clothing at all stages. 6.1.5 HSE Supervisor / Officer a. Be familiar with and enforce HSE rule s, regulations, and laws and document all actions taken to ensure compliance with client and their own Construction HSE Management Plan. b. Daily inspections of the Work Site in cooperation with subcontractors according to his work scope. c. Organization and per formance of daily and weekly inspections as described in his job description. d. Preparation of indoctrination talks and programs to acquaint new employees with Work Site hazards, safe work procedures at Work Site, and the behavior expected of them. e. Reporting the injuries occurring on the Work Site. Immediately visiting the site of serious injuries or incidents to view evidence, participate in preparing a report and help institute corrective action. f. Participate in safety publicity and coordination of safety in centive, recognition, and personal contact programs. g. Advising on HS&E regulations, inspections, and activities of government that require compliance to workforce. h. Fostering and maintenance of good relations with government and local authority i. Prepare month ly and weekly safety report as statistics, injury, illness summary, and medical record form. j. Ensuring that all heavy equipment operators have current valid Saudi Arabian Government (SAG) license to operate the equipment. k. Ensure that all operators have curr ent valid third - party certification. l. Ensuring emergency plan and evacuation procedures are in place m. Ensuring that daily safety toolbox meeting was conducted and documented on daily basis. Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 14 6.1.6 Site Engineers / Supervisor / Foreman a. To make certain that those employees under their control implement safe working methods and practices and to ensure that sufficient construction equipment are in good operable order to enable any operation shall be carried out safely b. To satisfy themselves on the competency of site personnel in carrying out their duties. c. To acquaint themselves with the hazards arising from the operations or from substances used during construction and conveys these findings to the employees when necessary. d. To make themselves aware of existing ABYATON A and client HSE procedures and consult with the Company Safety Department in respect of any Safety Problems. e. Conduct daily safety toolbox meeting of his crew member f. Provide welfare on his crew member. g. Conduct jointly site inspection together with safety o fficer representative at least one (1) per week, and complete SBOI (Safe Behavior Observation) checklist form. 6.1.7 Employee / Worker a. Take reasonable care of their own safety and health; b. Take reasonable care of the safety and health of persons that will be af fected by their acts or omissions at work; c. Co - operate with their employer with respect to any instructions and/or actions taken by the employer to protect the employee and/or comply with HSE requirements; d. Report to their immediate supervisor any situation which they have reason to believe could present a hazard and which they cannot themselves correct; e. Report all HSE incidents and work - related injuries; and f. Not intentionally or recklessly interfere with or misuse anything provided at the workplace in the in terest of health, safety, welfare or protection or management of the environment. g. All workers have the authority and obligation to stop the work and report all unsafe acts / Conditions to their supervisor/foreman or safety representatives. 6.1.8 Environmental M anager The Environmental Manager shall be responsible for implementing and monitoring environmental compliance requirements throughout the Project in accordance with ERC requirements, approved CESMP documents, NCEC regulations, and project environmental - co ntrol procedures. Responsibilities include: • environmental inspections, • waste management monitoring, • spill prevention, • dust suppression verification, • environmental incident reporting, • environmental training, • subcontractor environmental compliance, • environme ntal KPI reporting, • and ERC environmental coordination. • All HSE, Environmental, and Welfare personnel assigned to the Project shall be subject to ERC review, competency verification, and formal approval prior to mobilization to site. 6.1.9 Subcontractors Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 15 a) Compl y with all ERCSM requirements and project - specific HSE requirements relevant to their scope of work. b) Complete task according to approved risk assessments, method statements, safe systems of work c) Obtain all required permits and authorizations before commen cing work. d) Ensure that all personnel are competent, trained, medically fit and authorized for the work they undertake. e) Provide competent supervision and adequate HSE resources appropriate to the nature, scale and risk of their activities. f) Conduct task brie fings and toolbox talks and ensure workers understand the hazards, controls and emergency arrangements applicable to their work. g) Ensure that plant, vehicles, tools and equipment are suitable for the intended use, properly maintained, inspected and supporte d by valid certification where required. h) Provide suitable PPE and ensure its correct use, inspection and maintenance. i) Establish and maintain effective arrangements for high - risk activities, including lifting operations, excavation, work at height, mobile e quipment and personnel interface, confined space, electrical work, hot work and other applicable activities. j) Coordinate their activities with the Contractor and other subcontractors to prevent simultaneous operations from creating additional risks. k) Maintai n good housekeeping and ensure safe access, egress, emergency routes and work areas are maintained at all times. l) Implement appropriate emergency preparedness and response arrangements and ensure personnel participate in applicable emergency drills and exer cises. m) Immediately report incidents, injuries, occupational illnesses, near misses, property/environmental damage and other significant HSE events to the Contractor in accordance with the project and ERCSM reporting requirements. n) Cooperate fully with incid ent investigations, inspections, audits and assurance activities conducted by the Contractor, PMC or Employer. o) Implement corrective and preventive actions arising from inspections, audits, incidents, observations and other HSE assurance activities within t he required timeframe and provide evidence of close - out. p) Ensure all lower - tier subcontractors are formally controlled, monitored and required to comply with the same applicable HSE requirements. q) Monitor the HSE performance of their workforce and take immed iate action where unsafe acts, unsafe conditions or non - compliance are identified. r) Exercise stop - work authority where an activity presents an immediate or uncontrolled risk to personnel, property or the environment. Work shall not recommence until the risk has been adequately controlled and authorization to resume has been obtained. s) Ensure workers are using designated welfare facilities, drinking water, rest arrangements and other welfare provisions t) Ensure effective management of occupational health risks, including heat stress, fatigue, exposure to hazardous substances, noise, dust and other identified workplace health hazards. u) Attend project HSE meetings, coordination meetings, campaigns, inspections and other HSE initiatives as required. v) Provide HSE perf ormance information and reports to the Contractor within the required reporting timeframe and support the Contractor in meeting its overall ERCSM reporting obligations. w) Immediately escalate significant HSE risks, serious incidents, repeated non - compliances and other matters requiring management attention through the established project escalation process. x) Ensure that no work is undertaken outside the approved scope, method statement, risk assessment or permit conditions without appropriate review, approval and authorization. 6.2 The Right to Stop Work With reference to ABYATONA HSE policy, ABYATONA Chief Executive here by gives the “AUTHORITY TO STOP WORK to all ABYATONA” employees and subcontractors involved in the projects regardless of position level, in th e presence of Unsafe Acts, Unsafe Conditions and / or issues that pose an imminent danger to life and / or health. Every employee is given the right to stop his work, or his co - workers work without fear of reprimand. He shall report to his supervisor the c ause of the stop works and shall only resume upon confirmation that deficiency or unsafe condition has been corrected, rectified or the hazard has been minimized to a level reasonably acceptable. Project Construction HS&E Plan ABD - 0062 - HSW - TMP - 00003 Rev. 0 3 , 10/ 05/ 2026 Page | 16 6.3 HSE Authority Matrix and Escalation Structure ABYATONA shal l establish and maintain a clearly defined HSE Authority Matrix and Escalation Structure for the Project in accordance with ERC Safety Management requirements, ERCSM requirements, and approved Project HS&E procedures. The authority structure defines decisi on - making powers, escalation responsibilities, stop - work authority, emergency - response escalation, incident - notification hierarchy, and HSE approval responsibilities applicable to all Project personnel, subcontractors, suppliers, and visitors. All personne l shall understand their HSE authority levels, reporting obligations, and escalation responsibilities prior to commencing work activities. 6.3.1 HSE Decision - Making Authority Matrix Position HSE Authority Level Key Responsibilities Escalation Authority Managi ng Director Executive Authority Corporate HSE governance, strategic direction, major incident oversight ERC Executive Management Project Manager Project Authority Overall Project HS&E implementation, resource allocation, enforcement of ERC requirements Ma naging Director / ERC Construction Manager Operational Authority Site execution control, operational coordination, corrective - action implementation Project Manager HSE Manager HSE Control Authority Stop - work authority, incident escalation, HSE audits, in spections, NCR issuance, emergency coordination Project Manager / ERC HSE Environmental Manager Environmental Authority Environmental compliance, spill response, waste management, environmental incident escalation HSE Manager / ERC Environmental Team HSE Engineer / Officer Field Enforcement Authority Daily inspections, unsafe - act intervention, permit verification, toolbox monitoring HSE Manager Supervisors / Foremen Workfront Authority Task - level compliance, crew supervision, immediate hazard correction Construction Manager / HSE Manager Security Team Access - Control Authority Site - access enforcement, emergency - access coordination, visitor management HSE Manager Employees / Workers Stop - Work Authority Report hazards, stop unsafe work, comply with safety procedures Supervisor / HSE Officer Subcontractors PM / Construction Manager Management Authority Overall responsibility for HSE performance within the subcontractor's scope. Ensure adequate HSE resources, competent personnel, implementation of approved H SE plans, risk controls and compliance with Contractor/ERCSM requirements. Escalate significant HSE risks, incidents, repeated non - compliance and resource constraints to the Contractor Project Manager and HSE Manager. Subcontractor HSE Officer HSE Control Authority Monitor HSE compliance, conduct inspections, review risk assessments and method statements, verify implementation of controls, conduct HSE briefings and initiate corrective actions. Has authority to stop unsafe work. Escalate significant or unre solved HSE issues to the Contractor HSE Manager and Subcontractor Project Manager. Immediately escalate serious incidents and imminent risks in accordance with ERCSM requirements. Subcontractor Supervisor / Foreman Workfront Control Authority Directly con trol work activities, ensure approved method statements and risk controls are followed, conduct pre - task briefings, maintain safe work conditions and stop work when unsafe conditions arise. Escalate hazards, incidents, near misses, uncontrolled risks and n on - compliance to the Subcontractor HSE Officer and Contractor Site/HSE Supervisor. Subcontractor Permit Receiver / Authorized Person Permit Control Authority Ensure work is performed within approved pe