- Objective:To lay down the Colour Coding system for indicating the contents of Utility Lines.
- Scope: This Standard Operating Procedure is applicable to the formulation plant of pharmaceutical Company.
- 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.
- Accountability:Head-Engineering/Designee shall ensure the compliance of the procedure as per this SOP.
- Abbreviation and Definitions:
- HSD :High Speed Diesel
- FO :Furnace Oil
- LPG:Liquefied Petroleum Gas
- SOP: Standard Operating Procedure
- 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 Band
On 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.
- Forms and Records:
- Not Applicable
- Distribution
- Master Copy : Documentation Cell
- Controlled Copies: Engineering, Quality Assurance Production, Quality control,warehouse. Administration and Housekeeping
8.0 History
| Date | Revision Number | Reason for Revision | |
| – | 00 | New SOP | |