Title Page
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Site
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Conducted on
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Prepared by
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Location
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Local DNO Licence Area
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DNO Substation ID
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Substation Access/Alarm Codes
Inspection Details
- Substation Details
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Substation Name
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Substation ID
General
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Inspection Maintenance and Access Logs in Place
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Statutory Signage in Place
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Resuscitation Label
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Fire Extinguisher Available and in Date
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Operational Manuals Available
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Housekeeping
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Electrical Testing (EIC) Completed and in Date
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Ventilation Systems working correctly
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Heaters Working Correctly
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Inspect For Nesting or Animal Prescence within Substation
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Check Ducts are Sealed and preventing Moisture and Rodent Ingress
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Inspect cables for physical damage, wear or signs of distress
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Ensure and Asbestos cable wrap is painted and identified
Substation Building & Security
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Check Structural Integrity (Roof, Walls Windows)
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Inspect for any Signs of Wear or Damage from Environmental Conditions
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Ensure all Doors Can be Properly and Securely Locked
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Verify Functionality of Emergency Exit Doors
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Ensure Surveillance Cameras, Motion Detectors and Alarms are Operational
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Ensure Drainage System is Functioning Correctly
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Check for Signs of Standing Water
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Check for signs of asbestos within substation and if present is in a good condition, undamaged and clearly identified
Transformer
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Transformer Description
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Transformer Serial Number
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Make/Model
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Check for any Signs of Oil Leaks or Stains
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Signs of Rust or Damage to Fins
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Check Condition of Sight Glass and Oil Level
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Check Condition and suitability of Earth Connections
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Ensure all Nuts and Bolts are in Place and Secure to TX lid and Cable Boxes
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Ensure Lock on Tap Change Selector
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Put Personal Lock on Selector and inform Client and Line Manager
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Oil Sample taken
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Why was oil sample not taken
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Replacement of Silica Gel and Oil filter
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Why was Oil sample not taken
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General Transformer Condition Check/Paintwork
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Any Further Comments or Concerns
Circuit Breakers and Switchgear
Identification
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Type of Equipment
- Switch
- Disconnector
- Circuit Breaker
- Earth Switch
- Ring Main Unit
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Make
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Model
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Serial Number
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Inspection of Earth Connections
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Inspection of Vent Entries, Heating and Ventilation
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Status indicator/Mimic Condition
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Check Levels of Oil/SF6 are withing identified limits
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Ensure switching handles are present and free from damage
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Paintwork Condition
Additional Checks
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Test transformer fans and pumps
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Test Water Pump System if applicable
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Condition of flood defence system
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Ensure all relays are functioning properly
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Check calibration of relays
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Ensure all control panels, meters and alarms are operational
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Inspect battery's and charging systems for correct voltage and capacity
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Check for damage or corrosion to battery cells or terminals
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Test emergency power and lighting supplies/batteries
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Ensure any test prods within substation are calibrated and within date, ensure free from signs of physical damage or distress
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Ensure all telemetry systems/SCADA are working and transmitting data to the relevant control centre
Inspection Summary
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Oil Samples Taken Y/N
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Why was sample not taken
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Silica Gel and Oil filter condition
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Has Silica Gel Been Replaced
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Comments:
Completion
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Remedial Works Completed
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Safety Concerns
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Signature
