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UNIT C BROCKS CENTRE, HAVERHILL, SUFFOLK, CB9 8QP, UK

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© 2018 Guardtech Cleanrooms Ltd

Registered Company 02547055. Registered Address Unit C The Brocks, Homefield Road, Haverhill, Suffolk, CB9 8QP, UK. Directors: Ray Wheeler, Conor Barwise, Mark Wheeler

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CLEANING

Guardtech offer custom cleaning packages, ranging from scheduled one-off facility decontamination cleans, to regular contract cleaning, helping to ensure Cleanrooms and Controlled Environments maintain classification. Conducted by Guardtech's highly trained 'Clean Team', working to customised SOP's and using specialist approved cleaning materials and tools, supporting critical environments nationwide. 

Decontamination or Deep Cleans are designed to support scheduled maintenance programs (Monthly, Quarterly or Annual) and involve a 5-stage cleaning process aimed at removing particulate settlement and reducing bioburden. Typically this is conducted in an empty facility and can be scheduled in 'Out of Hours' to ensure minimal disruption to production.

Prior to any clean an assessment will be carried out and following each clean a report will be issued to highlight the works that have been conducted and to highlight potential areas of concern or concentration for clients regular clean down procedure.

CLEANING REGIME

​3 STAGE CLEAN
 

  • Stage 1: HEPA Vacuum all floors, ceiling, walls, underneath fixed position equipment, clear surfaces, skirting, trunking. 

  • Stage 2: Using neutral detergent mop ceilings, walls and floors, hand wipe bench tops, trunking & exposed surfaces.

  • Stage 3: Using IPA mop ceilings, walls and floors and hand wipe down bench tops, trunking and exposed surfaces.

 

5 STAGE CLEAN

  • Stage 1 and 2: As per Stage 1 & 2 above.

  • Stage 3: Using an approved biocide mop ceilings, walls and floors, hand wipe bench tops, trunking & exposed surfaces.

  • Stage 4: Using an approved sporicide mop ceilings, walls & floors, hand wipe bench tops, trunking & exposed surfaces.

  • Stage 5: As per Stage 3 above.

CLEANING TYPES
  • Daily, Weekly or Monthly Contract Cleans

  • Annual Maintenance Cleans

  • Post Construction Cleans

  • Bioburden Decontamination Cleans

  • Pre-Validation Cleans

EXAMPLE SOP PAGES
PARTICULATE ANALYSIS

  • Initial consultation to identify potential sources of contamination and plot a floorpan for testing locations.

  • A validation engineer will attend site and begin by conducting airborne particulate counting to assess areas of high counts.

  • This will be followed by the citing and exposure of stubs positioned throughout the room in the allocated positions.

  • After a designated dwell period these will be collected and sent to the Guardtech Lab for analysis.

  • Inspection is conducted using Secondary Electron (SE) and/or Backscatter Electron (BSE) Imaging.

  • Any particles greater than > 2 micron are analysed by Energy Dispersive X-Ray (EDX) to determine their composition.

  • A report is generated to identify the contamination sources found accompanied by suggestions on controlling these sources.

Methodology: Scanning Electron Microscopy (SEM) 

 

To support clients in reducing particulate Guardtech offer a bespoke service to help identify contamination source within the cleanroom or controlled environment. The service entails:

THE CLEAN TEAM

CLEAN TEAM MANAGER

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CLEANING PRODUCTS