scope:

• This Guide may be used to clarify some of the options and requirements for ventilation systems for new and existing gas installations in catering establishments that are required by IGEM/UP/19.

• This Guide is not intended for use in isolation, it is to provide support to the competent gas engineer working in catering establishments, and includes extracts from the IGEM publication IGEM/UP/19.

• This Guide includes the risk assessment protocols for new and existing catering installations along with the air quality testing procedure, acceptance criteria and sign posting to the Gas Industry Unsafe Situations Procedure (GIUSP) for commercial catering establishments.

• This Guide is applicable to those installing, servicing or maintaining catering equipment.

• This Guide includes supporting questions and advice for sample testing and it also covers maintenance, inspection, records and user instructions.