Publications

To access the full list of BCGA Publications please click here.

For more details, download the Information Note on BCGA Publications.

 

CP4 Gas supply and distribution systems (excluding acetylene) Revision 5: 2020

15/06/2020 Codes of Practice CP4

Provides the minimum safety practices and principles for the selection and assembly of pressure equipment to control and distribute gases. Details the requirements for the design, installation, testing, commissioning and handover of a pressure system. It sets out the roles and responsibilities of the Designer, the Installer and the User.

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CP5 Gas supply and distribution systems – Acetylene Revision 4: 2023

06/10/2023 Codes of Practice CP5

Provides the minimum safety practices and principles for the selection and assembly of pressure equipment to control and distribute acetylene gas. Details the requirements for the design, installation, testing, commissioning and handover of a pressure system. It sets out the roles and responsibilities of the Designer, the Installer and the User.

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CP6 The safe distribution of acetylene in the pressure range 0 – 1.5 bar Revision 3: 2015

15/06/2015 Codes of Practice CP6

This document is obsolete and has been replaced by Code of Practice 5, Gas supply and distribution systems – Acetylene.
You can download Code of Practice 5 below.

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CP7 The safe use of oxy-fuel gas equipment (individual portable or mobile cylinder supply) Revision 10: 2026

12/05/2026 Codes of Practice CP7

Provides the minimum safety standards required for the assembly, examination, inspection, maintenance and use of individual portable or mobile cylinder oxy-fuel gas equipment, each gas being supplied from a cylinder and individually controlled by a cylinder-mounted pressure regulator.

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CP16 The carriage of gas static storage tanks by road. Revision 6: 2024

18/04/2024 Codes of Practice CP16

The transport on public roads of storage tanks, as well as other gaseous equipment, designed for use in a static location. This code does not apply to tanks designed to comply with road transport Regulations.

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CP18 Gas supply and distribution systems. Specialty gases. Revision 4: 2024

02/08/2024 Codes of Practice CP18

Provides best practice for the selection, assembly and operation of pressure equipment and systems to manage specialty gases, including advice on storage and operation. Specialty gases include those with a pyrophoric, toxic or corrosive hazard as well as those which require a higher level of quality management.

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CP20 Bulk liquid oxygen storage at production sites. Revision 2: 2002

01/09/2002 Codes of Practice CP20

Covers liquid oxygen storage installations on production sites where the storage is connected to the production process plant. No upper limit on tank size applies.

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CP22 Bulk liquid argon or nitrogen storage at production sites. Revision 1: 2002

01/09/2002 Codes of Practice CP22

Covers liquid argon or nitrogen storage installations on production sites where the storage is connected to the production process plant. No upper limit on tank size applies.

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CP26 Bulk liquid carbon dioxide storage at users’ premises. Revision 3: 2012

01/09/2012 Codes of Practice CP26

The design, installation, operation and maintenance of bulk liquid carbon dioxide storage systems at users' premises. All tanks up to 250,000 litres capacity are included.

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CP27 Transportable vacuum insulated containers of not more than 1000 litres volume. Revision 1: 2004

01/09/2004 Codes of Practice CP27

This code of practice applies to transportable, vacuum insulated, tanks of not more than 1,000 litres water capacity, for the following gases: Nitrogen, argon, oxygen, carbon dioxide, helium or nitrous oxide.This code provides guidance for the minimum requirements for: General safety precautions, design and construction, operation, tank management and filling, transportation, in-service examination, modifications/repairs and records.

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CP29 Battery-vehicles and multiple-element gas containers. Design and operation. Revision 3: 2022

31/05/2022 Codes of Practice CP29

Provides guidance on the design and operation of battery-vehicles and multiple-element gas containers (MEGC) used for the carriage of compressed gases. This includes construction, examination and certification, inspection and testing, filling and discharging.

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CP30 The safe use of liquid nitrogen dewars. Revision 4: 2024

19/12/2024 Codes of Practice CP30

Covers the storage, maintenance, handling, filling and use of dewars. Specifically addresses the use of liquid nitrogen in open dewars and dewars fitted with liquid withdrawal devices operating at less than 0.5 bar.

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CP31 The safe use of cylinders on mobile workshops and service vehicles. Revision 6: 2025

22/05/2025 Codes of Practice CP31

Details the design, construction and operation of vehicles which are used as mobile workshops or provide a specialist capability, where there is a specific requirement to use a gas. It covers the safe carriage of gas cylinders and the safe installation of gas equipment on such vehicles. It provides guidance on safe use and the competence of operators to ensure high levels of safety awareness and operational safety.

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CP32 The safe filling of food gas cylinders for beverage dispense. Revision 3: 2019

01/09/2019 Codes of Practice CP32

This Code of Practice addresses the safety, quality and operational issues necessary for the filling of gas cylinders with food gases for beverage dispense. The document covers safe filling practices, cylinder identification, handling, corrosion prevention and product quality.

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CP33 Gas supply and distribution systems. Compressed flammable gases. Revision 2: 2025

09/05/2025 Codes of Practice CP33

Provides best practice for the supply and storage of compressed flammable gases at Users’ premises. It sets out the roles and responsibilities of the Designer, Installer and User, including information for the location, the equipment required, replenishment and site safety.

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CP34 The application of the Pressure Equipment (Safety) Regulations to customers sites. Revision 2 : 2024

26/04/2024 Codes of Practice CP34

Provides an interpretation of the UK Pressure Equipment (Safety) Regulations (SI 2016 No. 1105). It specifically covers the re-use of used pressure equipment, which is long standing gas industry custom and practice.

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CP35 Filling ratios and developed pressures for liquefied and compressed gases. Revision 3: 2022 – Corrigendum 1: August 2022

01/08/2022 Codes of Practice CP35

This document is under review. Downloads of the current revision are request only, please contact admin@bcga.co.uk. ADR sets out the maximum filling ratios and filling requirements for liquefied and compressed gases. This Code of Practice specifies a range of filling ratios and developed pressures that may be used when filling, selecting or designing pressure receptacles of above 0.5 litre water capacity for carriage of liquefied or compressed gases by road or rail within Great Britain, up to the maximum allowed within ADR. For guidance, corresponding filling ratio and developed pressure data for climatic areas other than Great Britain are also provided.

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CP36 Cryogenic liquid storage at users’ premises. Revision 2: 2013

01/09/2013 Codes of Practice CP36

This document covers the installation of cryogenic liquid storage tanks and associated equipment at customer sites. For liquid oxygen, nitrogen and argon. Tank sizes range from 0 to 125000 litre water capacity.

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CP38 In-service requirements for refrigerated gas transportable pressure equipment. Revision 1: 2018

01/09/2018 Codes of Practice CP38

Provides guidance on the management of in-service refrigerated gas transportable pressure equipment to ensure that it is serviceable for the safe transportation of gases without unintended release during the complete journey. The equipment covered includes road tankers, tank containers and other tanks used for the operation of special equipment used during transport, such as cooling equipment.

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CP39 In-service requirements of pressure equipment (gas storage and gas distribution systems). Revision 2: 2017

01/09/2017 Codes of Practice CP39

Pressure systems require regular examination, inspection and maintenance to ensure the continuing integrity of the equipment and the safety of personnel. This code covers the principles and a risk based methodology to meet these requirements. It includes guidance on Written Schemes of Examination, Ageing Pressure Equipment Assessments and Revalidation of pressure vessels.

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CP39.xls Templates – Excel Spreadsheet templates of Forms A & B

01/09/2017 Codes of Practice CP39 Xls

Template for use with CP39 when conducting an APEA. Refer to Section 4.1. The document is an Excel spreadsheet.

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CP40 Security requirements for the industrial, medical and food gases industry. Revision 2: 2020

01/09/2020 Codes of Practice CP40

This document addresses the issues surrounding the security of industrial, medical and food gases (including in liquefied form) and associated items held in bulk, as cylinder stock or in transport. It provides advice on implementing security as well as reacting to security incidents.

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CP41 The design, construction, maintenance and operation of filling stations dispensing gaseous fuels. Revision 2: 2018

01/09/2018 Codes of Practice CP41

This Code of Practice covers the location, design, installation, commissioning, operation, maintenance and inspection of equipment used in a filling station for the dispensing into a vehicle of gaseous hydrogen, Compressed Natural Gas (CNG), or Liquefied Natural Gas (LNG), with or without the dispensing of other vehicle fuels such as petrol, diesel, Liquefied Petroleum Gas (LPG) etc.

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CP42 Implementation of EIGA Carbon Dioxide Standards. Revision 4: 2025

09/05/2025 Codes of Practice CP42

This publication implements the documents published by the European Industrial Gases Association to provide a basis for quality assurance of the carbon dioxide (CO2) supply chain in a consistent manner and to ensure measures for verification are adopted and maintained across UK industry.

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CP43 The safe filling of gas cylinders. Revision 2: 2024

15/04/2024 Codes of Practice CP43

The filling of gas cylinders is hazardous and subject to statutory controls. Cylinders have to be checked to ensure their integrity and that they are safe to fill. Filling has to be carried out at specially-equipped centres, with qualified staff using appropriate procedures.

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CP44 The storage of gas cylinders. Revision 1: 2022

17/06/2022 Codes of Practice CP44

This document defines the principles of safe practice for the storage of gas cylinders and bundles. It promotes the use of an outdoor store, with good natural ventilation, in a secure location, which meets the required separation distances.

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CP45 Biomedical cryogenic storage systems. Design and operation. 2021

17/11/2021 Codes of Practice CP45

The design, installation and operation of systems used for the storage of biomedical materials at cryogenic temperatures, using liquid nitrogen as a sacrificial refrigerant.

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CP46 The storage of cryogenic flammable fluids. 2016

01/09/2016 Codes of Practice CP46

This document covers cryogenic flammable liquid storage tanks and associated equipment at customer sites. Tank sizes range from 0 to 125000 litre water capacity. It provides guidance on their design, installation, commissioning and the operation of cryogenic flammable liquid storage installations.

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CP47 The safe use of individual portable or mobile cylinder gas supply equipment. Revision 2: 2024

04/12/2024 Codes of Practice CP47

Provides guidance on the safe use, examination, inspection and maintenance of individual cylinder gas supply equipment, the gas being controlled by a single cylinder mounted regulator.

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CP48 The safe filling of third-party owned and/or maintained tanks 2020

07/08/2020 Codes of Practice CP48

Details the responsibilities of the User, the Tank Owner and the Gas Supplier when filling third party owned tanks used for the storage of refrigerated liquefied gases at a User’s premises. It includes a procedure to inform BCGA members of tanks which are deemed unsafe to fill.

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CP49 Transportable pressure receptacles. Periodic Inspection and Testing. 2024

22/08/2024 Codes of Practice CP49

Provides best practice for an Inspection and Test Centre as well as for the activities carried out during the inspection and test process.

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CP50 The carriage of gas cylinders on vehicles. 2023

10/10/2023 Codes of Practice CP50

Provides guidance on safely transporting gas cylinders in compliance with UK Legislation, it includes a method for calculating the threshold quantity for a small load exemption where only small quantities of gas cylinders are carried.

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CP52 The management of risks from gases in the workplace. 2023

09/10/2023 Codes of Practice CP52

Identifies hazards from the use and the potential for the escape, leak or accumulation of gases into the workplace and the associated risks. It provides guidance for risk assessment and appropriate mitigation measures.

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