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Why Pipe Colour Coding in Equipment Rooms Matters (And Why Your BMS Graphics Should Follow It Too!)

December 11, 2025

In mechanical rooms and plant areas, clear pipe identification is not just a good practice - it's a safety requirement and a maintenance accelerator.

Many consultants specify color standards or approved equivalents to ensure uniformity across the site.

Here’s a commonly used color schedule for HVAC & mechanical systems:
1. Chilled Water (CHW) - Pale Green
2. Hot Water (HW) - Pink
3. Condenser Water (CDW) - Blue-Green
4. Steam - Dark Orange
5. Steam Condensate - Light Orange

Why This Matters
1. Faster Maintenance & Troubleshooting
Technicians can instantly recognize the pipe service without tracing lines.
This reduces errors, downtime, and confusion, especially in dense equipment rooms.
2. Increased Safety
Proper color coding avoids accidental valve operation or opening the wrong line (steam vs chilled water can be dangerous!).
3. Compliance with Standards
Most engineering specs, facility SOPs, and FM audit teams require consistent color coding across plant rooms.

Bonus Tip for BMS Engineers: Use the SAME Color Codes in Your Graphics!

When your BMS 2D/3D graphics follow the same pipe color code, it creates:
1. Instant visual recognition
2. Cleaner operator dashboards
3. Fewer errors during troubleshooting
4. Better storytelling for energy dashboards & training

Your BMS UI becomes a digital twin of the mechanical room.

Conclusion
Implementing a simple color code standard, both on-site and inside the BMS graphics brings huge benefits in safety, clarity, and operational efficiency.
a. small detail.
b. big impact.
c. Professional engineering starts with consistency.

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