Western Power Safe Work Method Statement
Task details
Description
Install and Maintain HV Overhead Equipment and Associated Hardware (de-energised)
DM
10716829
Approved by
Manager, Work Practices
Review team
SWMS Development
Approval date
October 2015
Qualifications/Licences required
Valid Western Power Authorisations for the Task/ Network Authority Card (Correct level of authorisation)
Permits required
Electrical Access Permit (EAP)
Which Safety LifeSavers are required for this task?
Potential hazards associated with the task
Category
Hazard
1. Working at heights
 Ladders
 Lifting equipment, scissors / EWP
 Scaffolding
 Stairs / platforms
 Working at height
 Working above others
 Multiple work requiring EWPs
2. Working with electricity
 Static electricity / induction
 Substations / switch rooms
 Underground cables
 Contact with electrical equipment
 Electrical cables
 High voltage equipment
 Overhead cables
 Non-compliant earths (tagged/tested)
3. Radiation
 Infra-red
 Microwaves
 Ultraviolet light, i.e. sun
 X-ray
 Laser
4. Mechanical
 Abrasive blasting / grinding
 Auto-start equipment
 Conveyors
 Equipment failure
 Hand and power tool
 Impact and crushing areas
 Pinch / cutting points
 Residual / stored energy
 Uncontrolled movement
 Unguarded moving parts
 Welding or cutting
 Crimping / connecting
Category
5. Pressure
Hazard
6. Human factors
 Rushing
 Complacency
 Fatigue
 Unclear work direction
 Stress / Anxiety / Frustration
 Lack of knowledge
 Poor communications
 Negative attitudes
7. Using mobile plant
 Traffic / pedestrian interaction / collision
 Uneven terrain
 Unlicensed / untrained operators
 Vehicle instability
 Vehicle access
8. Manual handling
(ergonomic)
9. Environment
Category
Hazard
10. Workplace
 Asbestos
 Confined space / void space
 Falling objects
 General access
 Housekeeping
 Illumination / lighting
 Noise, i.e exposure / nuisance
 Poor ventilation
 Protrusions
 Restricted visibility
 Restricted work area
 Slip and trip hazards
 Unauthorised personnel
 Unlabelled controls
 Vibration
 Wet / slippery
 Wind / storm activity
 Fog / mist / smoke
 Working in isolation
 Dust / particulates
11. Chemical
 Chemicals / reagents
 Fumes / vapour / mist (e.g. SF6)
 Flammable gases
 Handling flammable materials
 Hazardous chemical exposure
 Solid chemical
 Splashes / burns
 Spills to ground or work area
12. Thermal
 Cold – ambient temperature
 Heat – ambient temperature
 Hot materials / fluids
 Hot surfaces
 UV exposure
 Competitive pressures
 Compressed gases / air
 Fluid
 High pressure steam
 Hydraulic
 Water
 Awkward / unbalanced load
 High / low reach
 High force / heavy loads
 Lighting
 Over exertion / fatigue
 Poor design / layout / surface
 Repetitive movements
 Air contamination
 Soil contamination
 Storm water contamination
 Waste (effluent / hazardous)
 Solid waste
Western Power Safe Work Method Statement – Install and Maintain HV Overhead Equipment and Associated Hardware (de-energised)
page 1 of 5
Steps
required to perform the task, in the
correct sequence
Hazards
for each task step
Initial
Risk
Rating
Control
required to eliminate or minimise the risk of injury
Controlled
Risk
Rating
References
Plan and prepare
Pre-plan
• Plan trip
• Accreditation, training and
competency
• Pre-start checks on vehicles,
plant and equipment
• Valid test certificates for EWP
• Valid inspection certificates and
tags for plant and equipment
• Consumer / land owner
notification (if required)
• Contact Dial Before You Dig (if
required)
• Notify Network Operations
Control Centre (NOCC) /
issuing officer for DNAR /
permit
• Advise Main Roads and local
Council (if required)
• Engage GPA Accredited Traffic
Management Company (if
required)
Control pedestrian and vehicle
interface
• Keep pedestrians and vehicles
apart, Control vehicle
movements on site and when
vehicles enter and exit the
workplace
• Minimise vehicle movements
• Manage the risks of reversing
vehicles
• Lack of skills, knowledge, competency: shock,
burns, injury
• Travelling to site – fatigue, injury
• Vehicular traffic / pedestrian / animals: injury
• Adverse weather conditions: injury, harm
• Vehicle accident / breakdown or stranded at a
remote location: heat stress, harm
• Working / driving in high fire risk areas – fires:
burns, injury
• Faulty equipment: shock, burns, injury
• Unsecured material / equipment: injury
• Failure to notify affected consumers: public risk –
reliance on supply for health, safety and medical
reasons
• Vehicle and equipment movement: impact, injury ,
property damage
• Unauthorised access: injury
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• Confirm all staff have the skills, training and competency to
do their task
• Ensure that drivers have a current MVDL for the vehicle they
are driving.
• Complete pre-start checks on vehicles, plant and equipment
• Plan the trip to avoid long periods of driving without a break,
where possible, share the driving
• Adjust driving to suit weather conditions and terrain
• Notify formal leader / office of daily plan
• Carry emergency beacon or satellite phone if travelling out
of mobile phone / radio range
• Confirm work teams have all the required PPE
• Confirm the location of all utilities in the vicinity of the
proposed work
• Secure all equipment, tools and materials in the vehicles
• Confirm switching program with NOCC
• Ensure tools and equipment are approved and suitable for
the task
• Confirm that an accredited traffic management company has
been engaged (if required)
• Ensure suitable traffic and pedestrian management
arrangements are in place. This will involve the
development and implementation of a traffic and pedestrian
management plan by a competent authorised Western
Power representative.
• Provide separate clearly marked pedestrian walkways that
take a direct route where possible. If the walkway crosses a
roadway, provide a clearly signed and crossing point where
drivers and pedestrians can see each other clearly.
• Before exiting the work zone ensure both vehicle and
pedestrian traffic can be clearly seen in both directions.
• Keep walkways clear to avoid pedestrians having to step
onto the vehicle route.
• Designate parking areas for workers’ and visitors’ vehicles
outside the work zone.
• Appoint a vehicle spotter when:
a. vehicles or plant are operating in close proximity to each
other
Western Power Safe Work Method Statement – Install and Maintain HV Overhead Equipment and Associated Hardware (de-energised)
Electrical System
Safety Procedures
(ESSP) sections:
1.6; 3.2; 4.7; 5.3;
6.1
Work Practice
Manual (WPM)
sections: 2.16;
2.21; 3; 5.9; 5.10;
6; 11.2; 11.10;
11.13
L
Main Roads Traffic
Management for
Works on Roads
Code of Practice
L
page 2 of 5
Steps
required to perform the task, in the
correct sequence
Hazards
for each task step
Initial
Risk
Rating
Control
required to eliminate or minimise the risk of injury
Controlled
Risk
Rating
References
b. reversing vehicles
c. persons are on the ground and in proximity to moving
vehicles and
d. in other situations as indicated by a risk assessment.
• Ensure visual (flashing lights) warning devices, reversing
alarms and high-visibility markings for powered mobile plant
are operational prior to commencing work.
Workplace set up
• Correct location / apparatus
• Conduct a Workplace Risk
Assessment Plan (WRAP) –
include all staff
• Vehicles and equipment checks
• Set up plant and equipment
• Earth vehicles (if required)
• Site conditions / fire alerts
• Emergency procedures
• Staff fit for duty
• Accreditation and training
• Communicate with NOCC or
issuing officer for EAP
• Communicate with land owner
(if required)
• Clean and inspect equipment
• Use approved and tested tools
and equipment
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Failure to wear correct PPE: shock, burns, injury
Unfit for work: injury
Lack of skills or knowledge: injury
Slip, trip, fall, obstacles; injury
Manual handling / using tools: strain, injury
Failure to maintain MAD to live apparatus: shock,
burns, injury
Induced / capacitive voltage: shock, burns
Electrical apparatus failure: injury
Damaged or faulty plant, tools or equipment
Fires: injury
No clear access / egress plan: injury
Insects, vermin, reptiles, animals: injury, harm
Weather conditions: rain, sun, wind, lightning:
Failure to notify affected consumers: public risk –
reliance on supply for health, safety and medical
reasons
Tools or equipment failure: shock, burns, injury
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Isolation and permits
• Communicate with Network
Operations Control Centre
• Failure to wear correct PPE: shock, burns, injury
• Failure of work party to clearly understand the
conditions of the EAP and the work boundaries:
Ensure correct PPE is worn at the workplace
Comply with the fatigue management plan
Comply with the drug and alcohol policy
Apply body fit principles
Confirm staff are trained and have appropriate competencies
and correct network authority levels
Appoint a competent safety observer trained in EWP
emergency procedures (if applicable)
Inspect structures and apparatus on both side of the
workplace for condition and hazards
Confirm the location of all utilities in the workplace
Conduct a team brief and ensure that all staff have signed
on to the WRAP and understand instructions and limitations
of the task
Ensure an emergency plan is in place and understood
Inspect / check tools and equipment to be used
Confirm correct operation of EDD (if EWP used)
Confirm safe workplace access and egress
Ensure fire fighting equipment, and people competent to use
it are at the workplace
Drink sufficient fluids to stay hydrated
Apply correct manual handling techniques
Communicate with land owner to determine safe entry
requirements (if required)
Confirm that consumers have been notified of outage before
carrying out work (if required)
Continually review potential hazards and control methods
Inspect PPE. Replace if damaged or out of test date
Use approved and tested tools and equipment
• Ensure correct PPE is worn at the workplace
• Plan and implement a safe approach to switching and the
location of portable earths
Western Power Safe Work Method Statement – Install and Maintain HV Overhead Equipment and Associated Hardware (de-energised)
ESSP sections: 3;
5; 6
WPM sections: 2;
3; 5.9; 5.10; 6.2;
6.8; 6.9; 11
L
Distribution
Construction
Standards
Handbook (DCSH)
ESSP sections: 3;
4.7; 5; 6
page 3 of 5
Steps
required to perform the task, in the
correct sequence
(NOCC) / issuing officer
• Electrical apparatus isolated,
tested, earthed and tagged
• Electrical Access Permit (EAP)
issued to Recipient in Charge
(RIC)
• All staff sign onto EAP
Carry out the task
Install or maintain HV
overhead equipment – deenergised (as appropriate for the
particular task)
Remove old overhead
equipment
• Ensure all signed onto EAP and
know what to do and how to do
it
• Apply covers (if required)
• Unlash, spread and support
conductors (if required)
• Remove old equipment and
hardware
• Identify phasing (if required)
Install new overhead
equipment
• Ensure overhead equipment is
installed correctly
• Ensure all hardware is correctly
secured
• Replace conductors and resecure (if required)
Hazards
for each task step
shock, burns, injury
• Failure to observe the minimum approach distance
(MAD): shock, burns, injury
• Operating / switching the wrong apparatus: shock,
burns, injury
• Incorrect / ineffective earthing: shock, burns
• Failure to test: shock, burns
• Contact with live apparatus: shock, burns
• Induced / capacitive voltages: shock, burns
• Uneven / slippery surfaces: strain, sprain, injury
• Damaged or faulty plant and equipment: injury
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Failure to wear correct PPE: shock, burns, injury
Unfit for work: injury, harm
Working at heights; injury from falls
Vehicle / equipment movement; injury
Failure to test before touching; shock, burns, injury
Contact with live electrical apparatus; shock,
burns, injury
Induced / capacitive voltage: shock, burns
Apparatus / equipment / tool failure: injury
Incorrect use of tools and equipment: injury
Manual handling: strain, sprain, fatigue, injury
Slip, trip, fall, obstacles; injury
Objects / equipment falling: injury
Conductor failure: injury
Damaged / faulty apparatus: injury
Fires: injury, burns, harm
Initial
Risk
Rating
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Control
required to eliminate or minimise the risk of injury
• Maintain contact with NOCC / issuing officer
• Confirm switching program with NOCC
• Confirm correct apparatus / switch number before switching
commences
• Inspect test equipment and apparatus before operation / use
• Use a competent safety observer
• Avoid distractions during switching
• Confirm correct equipment has been isolated
• Test the apparatus is de-energised before applying earths
• Apply correct locks and tags at isolation points
• Apply program earths to both sides of worksite and tag
• Confirm that all staff have signed onto the EAP
• All staff understand the conditions of the EAP and are aware
of the boundaries of the work area
• All staff understand their allocated tasks and roles
• All staff are aware of the risk from induced voltages and to
use additional working earths – if required
• Ensure correct PPE is worn by all at the workplace
• Confirm all staff have signed onto the EAP and are aware of
conditions and any limitations
• Ensure safety observer is aware of safe working clearances
and emergency descent procedures
• Inspect and wear fall arrest harness
• Check the condition of pole, cross arm and electrical
apparatus
• Support pole (if required)
• Check conductor weight
• Ensure safe crane / lifting techniques are used (if applicable)
• Only trained staff are to operate tools and equipment
• Use tools and equipment approved for the task
• Maintain safe working clearances
• Operate the EWP, tools and equipment within safe working
limits
• Use stabilisers, pads, wheel chocks (if applicable)
• Earth EWP and crane (if required)
• Use working earths to avoid induced voltages (if applicable)
• Apply correct manual handling techniques, use mechanical
means where possible
Western Power Safe Work Method Statement – Install and Maintain HV Overhead Equipment and Associated Hardware (de-energised)
Controlled
Risk
Rating
References
WPM sections: 2; 3
L
ESSP, sections: 5;
6;
WPM , sections: 2;
3; 6; 8; 11
Distribution
Construction
Standards
Handbook (DCSH)
L
Network Standard 07 / 2011 Testing
and
Commissioning,
(DM# 7892458)
page 4 of 5
Steps
required to perform the task, in the
correct sequence
Hazards
for each task step
Initial
Risk
Rating
Control
required to eliminate or minimise the risk of injury
Controlled
Risk
Rating
References
• Keep area below workplace clear
• Ensure fire fighting equipment, and people competent to use
it are at the workplace while work is carried out
• Continually review potential hazards and control methods
Maintain HV overhead
equipment
• Check hardware and carry out
maintenance as per instructions
/ manual
• Carry out tests and record
results (if required)
Complete the task
• Inspect work for completion and
compliance to DCSH)
• Complete tests and
documentation (if required)
• Remove ladder(s), EWP and
crane / borer (if applicable)
• All staff and equipment
removed from electrical
apparatus
• Clean, inspect and stow tools
and equipment
• Reinstate site (if required)
• Sign off EAP and communicate
with NOCC / issuing officer
• Remove all working and
program earths
• Re energise network according
to switching program
• Conduct debrief and sign off
WRAP
• Failure to wear correct PPE: shock, burns, injury
• Contact with live electrical apparatus: shock,
burns, injury
• Vehicle and equipment movement: injury
• Unstable ground rollover: injury
• Uneven / slippery surfaces / obstacles: slip, trip,
injury
• Incorrect manual handling techniques: strain,
sprain, injury
• Plant / equipment failure: injury
• Unsecured loads: injury
• Failure to ensure all staff sign off the permit and
understand the changed conditions
• Restoring / working on incorrect apparatus: shock,
burns, injury
• Incorrect switching technique: strain, sprain, injury
• Missed hazards and improvements
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Relinquish traffic management
(if used)
• Vehicle movement: injury
• Unauthorised workplace access: injury
M
Ensure correct PPE is worn
Inspect work for completion and compliance
Maintain safe working clearances
Remove all staff, tools and equipment from the electrical
apparatus
Inspect workplace. Remove all material / waste
Apply correct manual handling techniques, use mechanical
means where practicable
Use correct load restraining devices (if applicable)
Ensure the working party signs off the EAP and understand
it is to be cancelled
Sign off the WRAP and discuss any issues with the team
All staff involved in debrief. Document suggestions
Communicate with NOCC / Issuing Officer
Plan and implement a safe approach to removal of earths
and switching
Confirm correct apparatus / switch number before
restoration commences
Inspect test equipment and apparatus before operation / use
Avoid distractions during switching
Ensure correct tags and locks are applied / removed
Confirm network status at workplace
Carry out and document required tests to prove compliance
Continually review potential hazards and control methods
• Maintain traffic management until all personnel and
equipment have left site
• Remove all signs and barriers to restore traffic flow
Western Power Safe Work Method Statement – Install and Maintain HV Overhead Equipment and Associated Hardware (de-energised)
ESSP sections: 3;
4.7; 5; 6
WPM sections: 2.2;
2.8; 2.9; 2.10; 2.15;
3, 8; 11
Distribution
Construction
Standards
Handbook (DCSH)
L
Network Standard 07 / 2011 Testing
and
Commissioning,
DM: 7892458
L
WPM section: 2.21
page 5 of 5