Hi Alex,

Welcome to the IFSQN forums.
This sounds like a bit of a nightmare to me as it will jeopardise all the layout, product flow and segregation elements that should have been put in place to manage your high-risk area.
You will also need to consider how exposure to raw material affects the following in the area; Personnel, Protective Clothing, Staff Facilities, Equipment and Utensils, Maintenance, Cleaning Procedures/Performance Limits, Utilities (including drains) and Waste and Waste Disposal.
You mentioned BRC, the BRCGS Global Standard for Food Safety Issue 9 8.1.2 Guidance states the following:
High-risk areas must be fully separated areas, with physical segregation in place between them and other parts of the facility.
Time segregation is not an acceptable alternative for high-risk areas, except for the transfer areas noted below. The location and operation of all transfer points must not compromise high-risk and low-risk segregation. For example, where raw materials or staff move into a high-risk area, consideration must be given to whether this introduces a contamination hazard; it may therefore require measures that involve:
• use of disinfection
• removal of outer packaging
• double-door ovens, blast chillers or freezers (i.e. those with a separate entrance and exit)
• controlled air flow (clause 8.2.2)
• changing the design of entrances and exits (e.g. roller lifting doors may represent a risk when raised, due to the fact they have been in contact with the floor and the difficulty in cleaning them effectively).
Looking at the SQF Food Safety Code: Food Manufacturing, Edition 9
Section 2.3.1.5 describes the requirements for process flow:
The process flows for all new and existing manufacturing processes shall be designed to ensure that product is manufactured according to approved product formulations and to prevent cross-contamination.
Section 11.7.1 describes the requirements for High-Risk Processes:
The processing of high-risk food shall be conducted under controlled conditions, such that sensitive areas, in which the high-risk food has undergone a “kill” step, a “food safety intervention” or is subject to post-process handling, are protected/segregated from other processes, raw materials, or staff who handle raw materials, to ensure cross-contamination is minimized.
The SQF Code also includes requirements for Ambient Air, Service by Dedicated Staff, Distinctive Protective Clothing, Footwear and Transfer Points for High-Risk Processes.
In short, I don't think it is a great idea!
Kind regards,
Tony