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Annexure 1 MECH

The document outlines the standard color codes for various electrical equipment and pipelines used in thermal power plants. It specifies colors for components such as transformers, switchboards, and different water systems, including untreated, treated, and potable water. Additionally, it includes notes on color application for panels installed at specific locations.

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Amit Sharma
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26 views1 page

Annexure 1 MECH

The document outlines the standard color codes for various electrical equipment and pipelines used in thermal power plants. It specifies colors for components such as transformers, switchboards, and different water systems, including untreated, treated, and potable water. Additionally, it includes notes on color application for panels installed at specific locations.

Uploaded by

Amit Sharma
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Refrigerant compressor Sky Blue

Chilled / condenser pumps Sea Green


Condenser water pipe Sea Green
Fans Grey

9.2 STANDARD COLOUR CODE FOR ELECTRICAL EQUIPMENT

S.No. Description Colour Colour No.


1 Transformers Light grey Shade 631 of IS : 5

2 Bus ducts Light grey Exterior-631 IS:5


Interior-Matt black
3 Junction boxes. Light grey Shade 631 of IS:5
4 HT/LT Switchboards, Distribution boards, Control & Relay panels
a) Indoor Siemens RAL 7032,interior:Glossy
grey white
b) Outdoor Light grey Shade 631 of IS:5
5 UPS Panel, charger Siemens grey RAL 7032
panels
6 DG Alternator Onan Green -
7 NGR Light grey Exterior-Shade 631 of IS-5
Interior-Glossy white
8 Motor Light grey Shade 631 of IS : 5
9 Lighting fittings Manufacturer’s Manufacturer’s
standard standard
10 Cable trays Galvanized

Note: 1. All panels that are to be erected at CCR floor shall be painted using RAL 7032
(exterior colour). All Electrical, C&I, Fire alarm or any other panel shall have this colour.

9.3 COLOUR CODING FOR IDENTIFICATION OF PIPELINES USED IN THERMAL


POWER PLANTS

S.No MEDIUM GROUND SHADE BAND SHADE REMARKS


COLOR COLOR No COLOR COLOR No
AS PER IS:5 AS PER IS:5
1 Water System
a Untreated / Raw Sea Green 217 White - Not in IS:5
b Treated / DM Sea Green 217 Light Orange 557
c Condensate Sea Green 217 Light Brown 410
d RO Water Sea Green 217 French Blue 166
e Potable Water Sea Green 217 Light Orange 557

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