UGL - Stanwell Electrical Safety Audit

Title Page

Audit Information

Audit No.
Auditor Type
Audit Type (Select Multiple)
- Certification
- Compliance
- Operational
- Process
- System
- Verification
Audit Name
Audit Date
Site
Division/Team Audited
Overview/Scope of Audit
Target Areas
Related Events
Auditor Information
Internal Lead Auditor Name
Internal Audit Team Members
External Audit Provider
External Auditees
Stakeholders
Name, Position, Internal Site Auditees

1.1 Authorisations to Perform Electrical Work/Training & Competency

Training, Competency and Authorisation

UGL and Contractors are trained and authorised to perform electrical roles, be a safety observer or enter electrical exclusion zones. Records are maintained as per corporate standards.

ASM-STD-ENG-03 Corporate Electrical Safety Standard
1. Licenced Electrical workers have a current in date licence.
2. Licenced electrical workers and competent electrical persons (ALEW and AEP) have current authorisation and records are maintained? HS211 / ELE001
3. Non-electrical persons (ANEP) have current authorisation and records are maintained? HS210 / ELE002
4. Workers performing electrical work within hazardous areas are certified in accordance with AS/NZS 4761 and records are maintained? HS072, HS112, HS113
5. Workers who work on or near live electrical equipment or perform safety observer roles have received annual training in low voltage switchboard rescue and cardio pulmonary resuscitation and records are maintained? HS069
6. Workers who perform HV&LV switching activities are trained and authorised and records are maintained. HS075, HS076, HS077 Tarong HS175, HS176, HS180, HS181, HS184, HS186
7. Authorised un-licenced workers performing testing to prove de-energised on low voltage circuits have been trained and authorised and records are maintained? HS147
8. Electrical Isolation Implementer’s, Isolation Verifiers and Safe Work Co-ordinators are trained and authorised inline with site Safe Work System procedures. SWS05, SWS06, SWS07
9. Workers requiring switchroom access that have not completed HS210 or HS211have been trained and authorised under HS223 Refresher 3 Years

Other

Other Notes or Comments

1.2 Energised Electrical Work

Risk Assessment and Authorisation

Develop and manage Energised Electrical Work processes at all SCL sites.

ASM-PROC-ENG-MAN-09 Energised Electrical Work Procedure
T-2823 Stanwell and Hydros Energised Electrical Work SWMS
T-2808 Tarong Swanbank and Mica Energised Electrical Work SWMS
1. Low risk Energised Electrical Work SWMS’s have been created, authorised and stored appropriately.
2. Low risk Energised Electrical work - SWMSs are being referenced in workers personal safety risk assessments in line with the procedure or maintain a personal copy they are signed on to.
3. Energised Electrical work that is ranked higher than low risk is conducted using an authorised SWMS and in conjunction with an ATW / PTW? SWMSs have been stored appropriately.
4. Energised Electrical Work SWMS’s have been verified and authorised appropriately?

Energised Electrical Work is Compliant with Permitted Circumstances

Energised Electrical Work performed is compliant with the Electrical Safety Regulation 2013
1. Energised Electrical Work tasks comply with one of the four permitted circumstances as identified in the Electrical Safety Regulations 2013.

Energised HV Electrical Work

Energised HV electrical maintenance on SCL overhead distribution equipment shall only be performed by authorised and competent external Live Line specialists. (Where Approved)
1. Energised HV Line specialists have training, safety documentation and specialist equipment approved to perform HV energised electrical work.
2. Energised HV Line specialists have gained authorisation from SCL to perform work on site?

Other

Review of Previous Audit Actions
Other Notes and Comments

1.3 Verification

Electrical Safety Verification and Test Reports

Electrical Equipment and Installations are to be tested after electrical work, results recorded, reviewed and reports retained.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
T-2803 Electrical Safety and Test report.
1. Electrical Safety Verification and Test Reports from workers who perform electrical work on SCL owned equipment and installations have been completed and stored appropriately?
2. Electrical safety and test reports have adequate results recorded and all sections completed. Sections not required must be marked with N/A?

Contractor Certificate of Testing & Safety/Compliance

Contractors Certificate of Testing and Safety/Compliance must be supplied to SCL for all work performed on electrical equipment and installations by electrical Contractors.
1. Certificate of Testing and Safety/Compliance from contractors who perform electrical work on SCL owned equipment and installations have been issued and stored appropriately?
2. Certificate of Testing and Safety/Compliance meets with the requirements of the electrical Safety Regulations 2013?
3. Certificates of Testing, Safety and Compliance have adequate acknowledgement that work has been performed to AS 3000 and any other standards that apply.

Other

Other Notes and Comments

1.4 Audits

Electrical Safety Standard Audits

Compliance with the Corporate Electrical Safety Standard and the Electrical Safety Act and Regulations. ASM-STD-ENG-03 Corporate Electrical Safety Standard.
1. Non conformances and improvements from the previous site audit against the Corporate Electrical Safety Standard have been actioned.
2. Sites have a schedule to complete internal process electrical safety audits?
3. Where required an action plan is in place to manage improvements identified from site internal audits.

HV Auditing

HV audits are performed as required by the Electrical Safety Standard.
1. High Voltage (HV) Audits or equivalent have been completed in accordance with site HV audit processes?
2. All completed HV audits /documents have been stored appropriately?

Quality Audits

Quality audits are completed.
1. Lead auditors should be competent electrical workers with either auditing qualifications or experience in performing technical audits?

Other

Review of Previous Audit Actions
Other Notes and Comments

1.5 Work by OEM

Authorisation of Overseas OEM Workers

Processes to be in place for Overseas OEM’s to be authorised to perform electrical work without an electrical licence.
(Where utilised)
Usually when overseas specialists are engaged to perform electrical work e.g. Generators, GCBs or similar equipment.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
1. OEM has provided details of workers qualifications, work procedures, MSDSs and safety plans to manage electrical works.
2. OEM has processes in place to perform final testing by qualified electrical personnel.
3. OEM or Sub-contractor for electrical work has a current QLD Electrical Contractors licence.
4. OEM work restricted to equipment classed as “Not Electrically Connected”
5. Final electrical sign off by an electrical RPEQ
6. OEM workers have authorisation by site Managers to perform the work under these conditions.

Other

Other Notes and Comments

1.6 Arc Flash

Power System Design and Operation (Arc Flash Protection)

Power systems are designed, operated and maintained to protect authorised personnel from arc flash hazards.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
1. Current arc flash hazard assessment data, is available at each site. (register?)
2. Electrical equipment or installation has arc flash labelling attached where an arc flash hazard is present. (down to Light and Power Distribution boards)
3. Arc Flash PPE guides or procedures are available at sites. PPE Guides are located near switchboards with arc flash hazards or PPE information is within the label.
4. The PMR process is used to review and update the arc flash hazard assessment data and labelling, after power system upgrades or system changes.
5. Sites have conducted reviews where excessively high incident energy levels are present and assessed ways to reduce the levels to as low as reasonably practical.
6. Where the incident energy is >40cal/cm2, equipment has been isolated under a Safe Work System.
7. Where equipment has no isolation point and an arc flash hazard exists additional controls must be in place. (battery systems)

Other

Review of Previous Audit Actions.
Other Notes and Comments

1.7 Safe Work Procedures - General

Section 1

Safe Work Procedures and or Instructions available for electrical work that involves electrical hazards.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
1. Work procedures/work instructions are available where electrical work hazards are present.
2. Evidence that procedures and work instructions are reviewed and updated as required. (frequency as advised within procedure or instruction).

Section 2

Risk assessments are available for all electrical work and appropriate for the hazards involved.
1. Electrical work tasks have risk assessments available? (ATW, PTW, SWS)
2. Risk assessments are suitable for the electrical hazard. (Safe Start, WMS, SWMS, JSEA).

Other

Other Notes or Comments

1.8 Exclusion Zones

Section 1

Exclusion Zones are managed for HV and LV plant.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
Electrical Safety Regulation 2013 Schedule 2 Exclusion Zones.
OHS-PROC-126 Excavation and Penetration
1. Performance of work within an LV exclusion zone is by authorised personnel only.
2. HV Isolations of electrical equipment have been secured by isolation, test to prove de-energised and earthing prior to any access being provided.
3. Risk assessments have reference to exclusion zones for LV and HV work including appropriate controls where required.
4. Exclusion zones and clearances for overhead electric lines have been defined by the use of signs, labels or height indicators to warn of the safe approach distances.
5. Risk assessments for work in close proximity to overhead and underground electric lines must include reference to exclusion zones and controls. An operator will be classified as untrained unless a safety observer is in place or another safe system has been approved.
6. Crane operators and rigging personnel who work in the proximity of energised overhead lines are trained/or instructed in the hazards of this work?
7. Excavation and penetration authorisation has been obtained before digging near buried electrical cables or penetrating walls, floors and ceilings.

Other

Other Notes and Comments

1.9 EMF Hazards

Management of EMF Hazards

Management of EMF hazards at each site.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
1. EMF hazards have been assessed and reported. (register, procedure, technical report)
2. EMF controls have been advised in the report and or site procedure.
3. Where high levels of EMF require controls they will be identified with a sign.
4. Plant arrangement drawings to include EMF zoning where appropriate.
5. Site access restrictions for personnel with medical conditions affected by EMF are to be clearly advised.
6. Sites are to review the requirement to retest EMF levels no later than every 10 years, or after plant modifications that alters the EMF zoning.

Other

Review of Previous Audit Actions
Any Other Notes and Comments

1.10 Electrical Incidents, Injury and Reporting

Electrical Incident Reporting

Management of Electrical Incident reporting.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
GOV-PROC-46 Event Management.
GOV-PROC-37 Risk Management framework.
1. Electrical hazards and incidents are reported and recorded in EARS?
2. Electrical Safety Notifiable Incident Check List (T-2145) is completed for all electrical incidents?
3. All serious and dangerous electrical incidents are reported to external authorities?
4. All electrical incidents are investigated and reports stored in TRIM?

Electric Shock Treatment

Management of Electric Shock.

OHS-PROC-416 Medical Management Post Electric Shock.
1. Documented response to electrical Incidents and treatment of electric shock is available.

Other

Other Notes or Comments

1.11 Hazardous Areas (HA)

Hazardous Area Compliance

Maintain compliance with Hazardous Areas.

ASM-PROC-STG-MAN-05.
Corporate Management of Hazardous Areas.
HB625195 Stanwell PS Hazardous Areas.
ASM-PROC-MTC—MAN-06 Tarong PS Hazardous Areas Management.
1. Hazardous Area Verification Dossier is in place to manage electrical installations. The dossier is maintained and stored securely. (Trim)
2. HAVD drawings, classifications, records of installation work, maintenance and repairs are maintained. (e.g. certification docs, inspection sheets, accredited audit reports etc.)
3. Maintenance schedules are in place to inspect, maintain, test and audit electrical equipment in Hazardous Areas
4. Electrical installations and electrical equipment for use in hazardous areas complies with Australian Standards
5. Process in place to manage electrically unsafe HA equipment
6. Hazardous Area (HA) Audits have been completed in accordance with the corporate or site procedures and stored in TRIM.

Other

Review of Previous Audit Actions
Other Notes or Comments

1.12 Electrical Isolation and Access

Plant Isolation and Access

Plant isolations in accordance with SCL Isolation and Access procedures.

CORP-PTW-01 - Permit To Work Manual – Legacy Tarong.
HB619259 - Authority to Work Procedure – Legacy Stanwell.
CS-PTW-01 - Permit To Work Manual - Legacy CS Energy.
SWS Safe Work Authority.
1. Isolations for Electrical Work are performed under an approved site safe work system.
2. Electrical isolation points are locked or mechanically prevented from inadvertent operation.
3. Electrical isolation points are verified and confirmed as being de-energised by a test to prove de-energised at the point of isolation and recorded (only sites where this has been implemented)
4. Isolations are verified and test to prove de-energised performed before access?(where not covered under 3 above)
5. LV switchboards with multiple sources of supply are isolated under a Switching Isolation and switching principles?
6. HV & LV switching isolations are produced by trained and authorised switching writers and checkers.
7. HV & LV switching activities are performed by trained and authorised switching operators
8. Access to switchboard bus sections for maintenance follows approved guidelines?

Other

Other Notes or Comments

1.13 Portable Electrical Equipment and RCD's

Portable Electrical Equipment and RCDs

Portable Electrical Equipment compliance to Legislation and Australian Standards.

ASM-PROC-ENG-MAN-15 Testing of Portable Electrical Equipment and RCDs.
1. All portable electrical equipment and RCD’s have been periodically tested and maintained in accordance with Corporate Procedures and Australian Standards.
2. A register of Portable Electrical Equipment will be maintained and contain records of formal inspections and tests? A process to manage faulty equipment and repairs must be in place.
3. A register of fixed and portable RCDS will be maintained and records of formal inspections and tests will be stored in Trim. A process to manage faulty RCDS and repairs must be in place.
4. Portable electrical tools and equipment are within current testing dates and tagged?
5. Suitable method of communicating the following is established: Notice that scheduled inspection & testing of portable equipment is to occur and when? Which equipment is required to be inspected and tested?

Welding Machines

Portable Electrical Equipment compliance to Legislation and Australian Standards. ASM-PROC-ENG-MAN-12 Welding Machines, Generators and Temporary Supplies.
1. All welding machines are tested periodically for electrical safety, in accordance with Corporate Procedures and relevant Australian Standards
2. Welding machines are marked with the work environment category they have been designed and tested for. (Category A, B or C)?
3. Welding machines in category B and C shall have Hazard Reduction devices fitted when required to meet the required category?

Other

Other Notes or Comments

1.14 Electrical Testing, Tools, Trade Equipment

Electrical Testing, Tools and Trade Equipment, compliance to Legislation and Australian Standards. ASM-STD-ENG-03 Corporate Electrical Safety Standard. Appendix 3

Equipment Registers

1. Electrical testing equipment and tools requiring testing and calibration have been periodically tested and maintained in accordance with Corporate Procedures and Australian Standards
2. A register/data base of electrical test equipment and tools will be maintained and contain records of formal inspections, calibrations and tests. A process to manage faulty equipment and repairs must be in place.

Testing Time Frames

1. Test equipment has been tested as per appendix 3 of the corporate standard “Equipment Routine Testing Table". Calibration of Meters and Test Instruments 12 monthly. Energised Electrical Maintenance Work Tools 6 months

Minimum Requirements

1. Multi-meters and test leads have a minimum Category III rating?
2. Low voltage testing equipment and tools are marked with the working voltage limit.
3. Tools used for performing energised low voltage electrical work & fault finding are insulated to a minimum of 1000 volts AC?
4. Test equipment is tested to OEM specifications and required standards.
5. Instruments used for measuring insulation resistance “Insulation Testers” have incorporated discharge function.

Tagging

Electrical Testing, Tools and Trade Equipment, compliance to Legislation and Australian Standards.
Each item tested has a durable sticker affixed to it to indicate it has been tested and or calibrated.
1. Electrical Test Instruments have a durable sticker affixed to the body of the instrument to indicate it has been inspected, tested, calibrated and expiry date.
2. Energised electrical work tools have a durable sticker affixed to the tool or protective bag to indicate it has been inspected, tested and expiry date.

Other

Other Notes or Comments

1.15 Personnel Protective Equipment (PPE) and Safety Equipment

Electrical PPE and Safety Equipment, compliance to Legislation and Australian Standards.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
1. A register/data base of all electrical safety equipment will be maintained and contain records of formal inspections and tests. A process to manage faulty equipment and repairs must be in place.

LV Rescue Kits

1. Low voltage rescue kits are available and contain the following equipment: Insulated crook 1000 volt rated insulating gloves “Isolate Here in Emergency” sign Fire blanket Burns dressing Torch
2. Low voltage rescue kits are marked with the manufacturers’ name and test due date and to indicate “LV use only”
3. Low Voltage Rescue kits have been tested 6 monthly?

Insulated Gloves

1. Insulated gloves are a minimum 1000 V class 0 and marked with the voltage rating.
2. Arc rated insulated gloves have arc rating and Class marked on them
3. Insulated gloves have been tested 6 monthly?

Insulated Mats

1. Insulated mats and covers are marked with the following: Name, trademark or mark of the manufacturer? Year and month of manufacture? Classification: Class A / 650V? Re-test date?
2. Insulated Mats have been tested 6 monthly?

Arc Flash Clothing

1. Arc flash hazard management clothing and PPE is available as personal issue.
2. Arc Flash switching coats are available and laundered as required.
3. Arc flash shields, cover the full face and are marked with an ATPV rating and have no metal parts.
4. Arc rated face shields are protected by cloth bags and stored to provide protection.

PPE Storage and Test results

1. PPE has been stored away from the effects of environment, heat, chemicals, moisture and mechanical damage.
2. Testing results of low voltage rescue kits, insulated mats and insulating gloves have records stored in Trim or testing database.

Other

Review of Previous Audit Actions
Other Notes or Comments

1.16 Fixed Electrical Equipment

Install, operate, maintain and test electrical equipment, to comply with all relevant Legislation and Australian Standards.

ASM-STD-ENG-03 Corporate Electrical Safety Standard.
Plant Change GenNet.
T-2119 Plant Change –implement - Final Works Checklist.
T-3037 Plant Modification request - Implementation Checklist.

Plant Modification

1. Electrical plant modifications are managed through the plant modification request process and approvals gained before modifications take place
2. Electrical aspects of the modification formally acknowledged in the modification check list where required

Labelling

1. Equipment will be labelled in accordance with equipment register standards. (KKS)
2. Switchboards will have shadowing denoting the bus configuration and be provided with labelling of voltages and busses, wherever practical.
3. HV equipment must display appropriate warning labels denoting Danger High Voltage and voltage levels.

Restricting Access to Electrical Equipment

1. Access to electrical switchrooms and transformer bays are to be restricted to authorised personnel only.
2. All switchboards with exposed energised parts will be made inaccessible by, using a tool, key, mechanical interlocking device or guarding to prevent unauthorised access.
3. Covers will be securely fixed in place by bolts, screws or other methods as designed.
4. All transformer bays with exposed energised equipment will be locked.

Equipment Maintenance

1. Schedules are in place to ensure electrical equipment is periodically inspected, tested and maintained so that it remains electrically safe.
2. Schedules are in place to ensure that Protection systems are periodically inspected, tested and maintained, including backup protection schemes. Frequency of testing will be dependant on plant history, Legislative recommendations and experience.
3. Integrity of the power system protection schemes must be confirmed by periodic functional tests.
4. A process should be in place to ensure that protection relay setting reviews are conducted when required prior to installation and modification of any power systems.
5. Protection relay trip events must be documented, stored and where required checks have been made to confirm that protection has operated as designed.
6. Schedules are in place to ensure that overhead electric lines and surrounds are inspected periodically, maintained and tested.
7. Schedules are in place to ensure that underground earthing systems are inspected periodically, maintained and tested to confirm it meets original design
8. Electrically unsafe equipment is disconnected, or isolated, from its electricity supply and is not reconnected until it is repaired or tested and found to be safe, or is replaced or permanently removed from service.
9. 240 volt general purpose outlets rated 20 amps or under will have 30mA RCD protection.
10. Where required portable 3 Phase RCD boxes or boards will be available for 3 phase outlets not protected by RCD’s?
11. RCD’s shall be installed on all new or altered lighting circuits, including circuits where known hazards exist, in accordance with AS/NZS 3000

Other

Other Notes or Comments

1.17 Cathodic Protection Systems

Cathodic Protection Systems

Cathodic Protection Systems, installed, registered, operated and maintained to comply with Legislation and Australian Standards. ASM-STD-ENG-03 Corporate Electrical Safety Standard.
1. Cathodic Protection Systems are designed, installed and tested in accordance with AS2832
2. Registerable systems are currently registered.
3. Systems are being tested as per Legislation and Australian Standards.
4. Records are kept for the period stated for the type of system.

Other

Other Notes or Comments

1.18 Generator Sets and Temporary Supplies

Generator Set and Temporary supply connection, compliance to Legislation and Australian Standards.

ASM-PROC-ENG-MAN-12 Welding Machines, Generators and Temporary Supplies.

Change Management and Verification

1. Where generators and temporary supplies are required to supply a switchboard they have been approved for connection by the Plant Change Request process.
2. Testing and verification of installation cabling and systems has been completed before energisation.

Hire and Maintenance of Portable Generators

1. Information about Generator set capacity, cable size and protection devices are to be provided to the hire company.
2. Generator sets on long hire must be maintained and tested as per Manufactures Manual and relevant Australian Standards.

Installation and Earthing

1. Portable generators are installed in accordance with and compliant to AS3010 and the plant change request approved documentation.
2. Temporary supplies are installed in accordance with and compliant to AS3000, AS3012 and the plant change request approved documentation.
3. Earthing of a Generator or Temporary supply at a switchboard has been completed in accordance with the Plant Change Request process.
4. Stand alone Generator sets have been bonded to the sites earthing grid where practical.
5. Standalone Portable Generators not located near site earthing grids or structures shall not have an earth stake installed.

Other

Other Notes or Comments

1.19 Decommissioned Equipment

Decommissioning of equipment is compliant to Legislation and Australian Standards.
1. Decommissioned equipment must be electrically disconnected from all sources of supply, cabling made electrically safe and equipment made inoperable in accordance with site electrical and isolation decommissioning procedures.
2. Wherever practical, decommissioned equipment shall be removed from site and disposed of environmentally.
3. Decommissioned plant – Key aspects to be considered: Labelling removed; Drawings marked up and published; Isolation / Switching Certificates modified; Maintenance programs modified; Arc flash analysis considered; Plant and equipment left electrically safe

Other

Other Notes or Comments

1.20 Electrical Documentation

Documentation is completed and retained in an appropriate format. GOV-PROC-49 Records Management. ASM-PROC-ENG-MAN-20 Drawings Management. GOV-PROC-01 Controlled Document Management.
1. Documentation is stored appropriately within TRIM or CMMS.
2. There is a system to update, approve and access the latest drawings.
3. There is a system to update, approve and access maintenance procedures, result sheets and calibration sheets.

Other

Review of Previous Audit Actions
Other Notes or Comments

1.21 UGL Electrical Safety Management Plan

UGL Electrical Safety Management Plan FOAMM-PM-MP-010.

UGL Health, Safety and Environment Plan FOAMM
UGL Health, Safety and Environment Management plan and the Electrical Safety Management plan Compliance

Other

Other Notes or Comments

Acknowledgements

Acknowledgement and Sign Off of Audit
Audit Report Prepared By:
Audit Report Prepared On:
Signed:

UGL - Stanwell Electrical Safety Audit

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Audit Information

Training, Competency and Authorisation

Other

Risk Assessment and Authorisation

Energised Electrical Work is Compliant with Permitted Circumstances

Energised HV Electrical Work

Other

Electrical Safety Verification and Test Reports

Contractor Certificate of Testing & Safety/Compliance

Other

Electrical Safety Standard Audits

HV Auditing

Quality Audits

Other

Authorisation of Overseas OEM Workers

Other

Power System Design and Operation (Arc Flash Protection)

Other

Section 1

Section 2

Other

Section 1

Other

Management of EMF Hazards

Other

Electrical Incident Reporting

Electric Shock Treatment

Other

Hazardous Area Compliance

Other

Plant Isolation and Access

Other

Portable Electrical Equipment and RCDs

Welding Machines

Other

Equipment Registers

Testing Time Frames

Minimum Requirements

Tagging

Other

LV Rescue Kits

Insulated Gloves

Insulated Mats

Arc Flash Clothing

PPE Storage and Test results

Other

Plant Modification

Labelling

Restricting Access to Electrical Equipment

Equipment Maintenance

Other

Cathodic Protection Systems

Other

Change Management and Verification

Hire and Maintenance of Portable Generators

Installation and Earthing

Other

Other

Other

Other

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