Tram Power Supply & Infrastructure Inspection Checklist

Ensure reliable tram service with our comprehensive inspection checklist. Identify & address potential power supply and infrastructure issues before they disrupt passenger journeys. Download now!

This Template was installed 3 times.

Visual Inspection of Overhead Catenary System

1 of 9

Assess the condition of the catenary wires, masts, and supports for any signs of damage, wear, or corrosion.

Wire Sag (mm)

Catenary Wire Condition

Mast Condition

Description of any observed damage (corrosion, cracks, etc.)

Upload photos of any damage

Insulator Condition

Substation Equipment Checks

2 of 9

Inspect transformers, switchgear, circuit breakers, and protection relays for proper operation and any abnormalities.

Transformer Voltage (kV)

Circuit Breaker Trip Current (Amps)

Circuit Breaker Status

Relay Operating Status

Last Relay Calibration Date

Any Abnormal Observations

Supporting Documentation (e.g., Test Results)

Track Power Rail Assessment

3 of 9

Examine the power rails for wear, cracks, or contamination. Verify proper bonding and insulation.

Rail Temperature (Celsius)

Rail Condition - Visual Assessment

Detailed Description of Rail Condition

Presence of Corrosion

Corrosion Depth (mm)

Presence of Cracks

Crack Location and Description

Insulation Resistance Testing

4 of 9

Measure insulation resistance of power rails, catenary wires, and substation equipment to ensure safety and prevent faults.

Power Rail - Phase A Insulation Resistance (Megohms)

Power Rail - Phase B Insulation Resistance (Megohms)

Power Rail - Phase C Insulation Resistance (Megohms)

Catenary Wire - Phase A Insulation Resistance (Megohms)

Catenary Wire - Phase B Insulation Resistance (Megohms)

Catenary Wire - Phase C Insulation Resistance (Megohms)

Test Voltage Used (kV)

Specify Test Voltage (If 'Other' selected)

Date of Test

Grounding System Verification

5 of 9

Test the integrity of the grounding system to ensure effective fault current dissipation.

Ground Resistance Value (Ohms)

Measured Voltage to Ground (Volts)

Grounding Electrode Material

Last Grounding System Upgrade Date

Observations/Notes on Grounding System Condition

Bonding Condition

Emergency Power Supply (EPS) Functionality

6 of 9

Verify the operation of the EPS, including battery health, automatic transfer switches, and generator functionality.

Battery Voltage (V)

Battery State of Charge (%)

Automatic Transfer Switch (ATS) Status

Last Battery Maintenance Date

EPS Activation Time (if tested)

Generator Run Test Result

Comments/Observations

Signal and Communication System Power

7 of 9

Check power supply to signal and communication systems critical for tram operation and passenger safety.

Main Power Supply Voltage (V)

Backup Power Supply Voltage (V)

Battery Voltage (V)

UPS Status

Last UPS Transfer Time (if applicable)

Signal Cable Integrity (Visual)

Last Battery Replacement Date

Environmental Monitoring

8 of 9

Inspect for any signs of flooding, vegetation encroachment, or other environmental hazards that could affect power supply infrastructure.

Ambient Temperature (°C)

Relative Humidity (%)

Vegetation Encroachment Level

Evidence of Flooding

Detailed Observations (e.g., animal activity, unusual weather patterns)

GPS Coordinates of Notable Environmental Concern

Date of Last Significant Weather Event

Record Keeping and Documentation

9 of 9

Verify accurate and complete record-keeping of inspections, maintenance, and repairs.

Inspection Date

Inspection Start Time

Inspection End Time

Temperature (°C)

Observations/Comments

Overall Condition

Supporting Photos/Documents

Inspector Name

Inspector Signature

We can do it Together

Need help with Checklists?

Have a question? We're here to help. Please submit your inquiry, and we'll respond promptly.

Email Address
How can we help?