1.0 Objective
To lay down the Colour Coding system for indicating the contents of Utility Lines.
2.0 Scope
This Standard Operating Procedure is applicable to the formulation plant of pharmaceutical Company.
3.0 Responsibility
The Concerned Technician shall follow the Colour Coding System as per this SOP.
The Officer/Executive-Engineering shall be responsible for implementation of the procedure as per this SOP.
4.0 Accountability
Head-Engineering/Designee shall ensure the compliance of the procedure as per this SOP.
5.0 Abbreviation and Definitions
HSD : High Speed Diesel
LPG : Liquefied Petroleum Gas
FO : Furnace Oil
SOP: Standard Operating Procedure
6.0 Procedure
The purpose of painting the utility pipelines with different colours is to facilitate the easy identification of the contents of the service lines and to indicate their direction of flow.
The colour codes for pipelines shall be painted as per the following Table:
Sr.No. |
Content of Pipeline |
Ground Colour |
First Colour Band |
Second Colour Band |
1 |
Treated Water |
Sea Green |
Light Orange |
– |
2 |
Purified Water |
Sea Green BandOn SS line |
French Blue |
Signal red |
3 |
Hydrant water |
Fire Red |
Crimson Red |
– |
4 |
Chilled Water |
Sea Green |
Black |
Canary Yellow |
5 |
Steam |
Silver Grey Band on Aluminum Cladding |
Signal Red |
– |
6 |
Compressed Air |
Sky Blue |
Signal Red |
– |
7 |
Vacuum |
Sky Blue |
Black |
– |
8 |
LPG |
Canary Yellow |
– |
– |
9 |
FO |
Light Brown |
Brilliant Green |
– |
10 |
HSD Fuel |
Light Brown |
– |
– |
11 |
Hydrogen |
Canary Yellow |
Signal Red |
French Blue |
12 |
Nitrogen |
Canary Yellow |
Black |
– |
13 |
Oxygen |
Canary Yellow |
White |
– |
14 |
Drainage |
Black |
– |
– |
15 |
Condensate |
Sea Green |
Light Brown |
– |
16 |
Hot Water |
Sea Green |
Light Gray |
– |
17 |
Soft Water |
Sea Green |
Light Brown |
– |
18 |
Waste Water |
Sea Green |
Canary Yellow |
Signal Red |
To indicate the direction of flow red or white arrow marks shall be painted on the pipeline at suitable positions (e.g. at junction, entry and exit point etc.)
The paints used for painting on the pipeline or the tape used should have a glossy finish.
7.0 Forms and Records
Not Applicable
8.0 Distribution
Master Copy : Documentation Cell
Controlled Copies: Engineering, Quality Assurance Production, Quality control, warehouse, Administration and Housekeeping
9.0 History
Date |
Revision Number |
Reason for Revision |
– |
00 |
New SOP |
