Safe Work Method Statement Transmission Field Protection Services Purpose Permits Authorisations Training Equipment Fault finding on live V changeover/distribution boards N/A Electrical worker s licence, Network Authority Card (NAC) N/A multimeter Working at heights adders ifting, EWP Scaffolding Stairs/platforms Working at height Working above others Multiple work requiring EWPs Working with electricity Static electricity/induction Substations/switch rooms Underground cables Contact with electrical Electrical cables High voltage Overhead cables Non-compliant earths, e.g. tagged/tested Radiation Infra-red Microwaves Ultraviolet light, i.e. sun X-ray aser Mechanical Abrasive blasting/grinding Auto-start 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 Pressure Competitive pressures Compressed gases/air Fluid High pressure steam Hydraulic Water Human factors Rushing Complacency Fatigue Unclear work direction Stress/anxiety/frustration ack of knowledge Poor communications Negative attitudes Using mobile plant Traffic/pedestrian interaction/collision Uneven terrain Unlicensed/untrained operators Vehicle instability Vehicle access Manual handling (ergonomic) Awkward/unbalanced load High/low reach High force/heavy loads ighting Over exertion/fatigue Poor design/layout/surface Repetitive movements Environment Air contamination Soil contamination Storm water contamination Waste, i.e. effluent/hazardous Solid waste 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 Chemical Chemicals/reagents Fumes/vapour/mist (e.g. SF 6 ) Flammable gases Handling flammable materials Hazardous chemical exposure Solid chemical Splashes/burns Spills to ground or work area Thermal Cold ambient temperature Heat ambient temperature Hot materials/fluids Hot surfaces UV exposure Rev 0, June 2015 DM# 13050254 1 of 5
Safe Work Method Statement Transmission Field Protection Services Fault finding on live V changeover/distribution boards Plan and prepare Pre-plan Determine staff requirements Unfit for work Fatigue Staff skilled, trained, competent and authorised Not trained or authorised for tasks being performed Working in remote locations oss of communications Unable or incapable of raising the alarm in an emergency H Confirm staff are fit for work Comply with fatigue, drug and alcohol policies H Ensure staff are trained/have appropriate competencies and authorisations Confirm staff have valid NAC H Carry an emergency beacon or sat-phone if travelling out of mobile phone/radio range Complete journey management plan with set check in times Weather conditions at workplace Adverse weather H Check with Network Control Transmission (NCT) and Bureau of Meteorology for weather conditions PPE requirements and inspection Expired/damaged PPE Inappropriate/incorrect PPE Pre-start check vehicles Unroadworthy vehicle Inadequately secured tools and Fall from height Workplace setup Conduct a Workplace Risk Assessment Plan (WRAP) Establish emergency procedures Personnel unsure of action to take in an emergency M Confirm staff have required safety clothing and Ensure that gloves, hats, tools and rescue are within test period and Western Power approved H Inspect/check vehicle for roadworthiness Check and secure tools and Maintain three points of contact when climbing onto vehicle Site-specific hazards at the workplace H Inspect the workplace for conditions and hazards; discuss and record on the WRAP Ensure control measures have been implemented to control all hazards identified Continually review potential hazards and controls M Communicate emergency procedure to team Establish muster point Confirm correct location/apparatus Incorrect location M Confirm correct location, apparatus and service order details 2 of 5 DM# 13050254 Rev 0, June 2015
Fault finding on live V changeover/distribution boards Safe Work Method Statement Transmission Field Protection Services Establish a safe access route to the apparatus that will be worked on No clear access/egress Slips and trips Setup and check plant, tools and Poor work site setup/unsafe positioning of Damaged or faulty plant, tools and Manual handling injury Sharp edges and pinch points Unstable step ladder Fall from height Damaged ladder Carry out the job Confirm apparatus is as expected Contact with unexpected live electrical apparatus Asbestos dust/partials if present Carry out tests according to system specific service procedure Contact with live electrical apparatus Failure to use tested and approved tools and Short circuit Incorrect use of test Uncontrolled movement of AC board doors M Establish safe access route and walk carefully when setting up site Ensure walk ways and exits are clear of obstructions H Keep work site clean and clear of obstacles Inspect / check plant, tools and to be used Use correct manual handling techniques Use of correct gloves and PPE Ensure ladder braces are engaged Always maintain three points of contact Check stepladder is in test date and inspect prior to use. H Inspect and use V insulated gloves Use of correct PPE Test before touching Ensure that all exposed live apparatus is shrouded and labelled Appoint safety observer, if required Do not drill or disturb asbestos if present If asbestos is present follow work practice 2.9 (Asbestos and fibreglass working procedures) in the Transmission Substation Work Practice Manual H Ensure safe working clearances are maintained Ensure shrouding is in place on adjacent live apparatus Use insulated tools, covers and mats Use test in accordance with manufacturer guidelines and training Ensure that AC board doors are fixed open to prevent accidental closing Rev 0, June 2015 DM#12817781 3 of 5
Safe Work Method Statement Transmission Field Protection Services Fault finding on live V changeover/distribution boards Modifications and/or repairs, if required Contact with live electrical apparatus Short circuit, arcing, explosion, fire Crimping crush injury and pinch points Complete the job Clean, inspect and stow tools and Tools left on or near live apparatus Damaged tools and Unsecured and/or unstable loads Conduct debrief and sign off workplace risk assessment document Failure to conduct debrief resulting in missed hazards and improvements H Isolate, lock and tag out-of-service prior to carrying out any work on the AC board Ensure shrouding is in place on any adjacent IVE apparatus Ensure MAD s are maintained Use of correct PPE H Ensure all leads, tools and are removed from the apparatus Check all tools and for damage Use correct load restraining devices Check all loads are secure prior to leaving site M All staff involved in the debrief record suggested improvements and identified hazards Secure site when leaving Public access to live electrical apparatus H Secure and lock all gates Communicate with NCT that the working party have left the site 4 of 5 DM# 13050254 Rev 0, June 2015
Fault finding on live V changeover/distribution boards Safe Work Method Statement Transmission Field Protection Services Document control Author Document owner Stakeholders During document update, consult with the following Distribution list If updated, supply the new version of the document to the following Name Work Practice Development team, Field Protection Services Work Practice Development Work Practice Development Field Protection Services Network Total Workforce References Corporate Risk Assessment Criteria Safety ife Savers Workplace Risk Assessment Plan (WRAP) Electrical System Safety Rules (ESSR) Transmission Substation Work Practice Manual (TXM) Journey Management Standard Risk matrix and s For details on assessing risks, see Workplace Risk Assessment Plan, 4. Assess the risks Rev 0, June 2015 DM#12817781 5 of 5