BSRIA Pre-Commission Cleaning & Flushing
Ensuring system integrity and compliance for building services installations
BSRIA-compliant cleaning and flushing for new and refurbished systems
BSRIA pre-commission cleaning removes construction debris, welding spatter and mill scale from pipework before commissioning begins. This standardised process protects plant equipment and ensures system integrity from day one.

Why BSRIA cleaning matters for your project
BSRIA flushing removes construction debris, welding residue and installation contaminants from pipework, helping protect valves, coils, heat exchangers and pumps before commissioning begins.
System assessment
Initial inspection and flushing strategy development for your pipework.
Debris removal
Systematic flushing to eliminate construction contamination and mill scale.
Water quality testing
Compliance assurance
Extended plant life
Compliance assurance
Systems commonly cleaned under BSRIA BG
BSRIA cleaning is essential for chilled water, heating, condenser and process systems. We deliver this service across data centres, healthcare facilities, residential and commercial developments and district heating networks.

Chilled water systems
Critical for data centres and commercial cooling installations.

Low temperature hot water systems
Standard for heating systems in healthcare and residential projects.

District heating networks
Large-scale systems requiring thorough pre-commission cleaning.
How we achieve BSRIA compliance
Every project follows a structured process designed to achieve system cleanliness, protect plant equipment and provide full commissioning evidence.

Assessment & Planning
We review drawings, system volume, contamination risks and project requirements to develop the most effective cleaning strategy. We prepare Risk Assessment and Method Statements specific to each project.

Cleaning & Treatment
Using dynamic flushing combined with a blend of cleaning chemicals, biocides and specialist equipment, contaminants are removed from the system to meet required cleanliness standards.

Verification & Sampling
Water quality is monitored continuously throughout the process using onsite testing. Final samples are subsequently analysed by an independent laboratory to ensure BSRIA compliance and fulfilment of project-specific requirements.

Compliance & Handover
Detailed reports, test results and cleaning records provide the documentation required by consultants, commissioning managers and project teams to demonstrate compliance and performance standards.
FAQs
Technical questions about BSRIA pre-commission cleaning standards and procedures
BSRIA pre-commission cleaning is a structured flushing and cleaning process for closed water systems. It removes construction debris, welding residue, mill scale and other contaminants before commissioning, helping protect plant equipment and system performance.
Contaminants left in pipework can damage pumps, valves, control equipment and heat exchangers. BSRIA cleaning helps ensure systems are clean, protected and ready for commissioning and long-term operation.
Water quality is monitored throughout the cleaning process. Testing may include particle counting, conductivity, pH and other project-specific parameters. Final samples are analysed to confirm system cleanliness. we test for the requirements set out in BSRIA which in crude PH, TDS, Iron Copper
Timescales vary depending on system size, contamination levels and project requirements. Most projects range from several days to several weeks, with cleaning programmes coordinated around commissioning activities
We provide detailed cleaning reports, water analysis results, dosing records and final compliance documentation. This gives consultants and commissioning teams the evidence required for project handover.
Where required, specialist cleaning chemicals are used to remove oils, fluxes, corrosion products and installation residues. The cleaning method is selected based on system condition and project requirements.
Yes. We regularly work on occupied buildings, live developments and phased construction projects. Cleaning programmes are planned to minimise disruption while maintaining safety and compliance.
Still have questions?
Contact our technical team for project-specific advice
Ready to Discuss Your Project?
Speak with our team about water treatment, pre-commission cleaning, chlorination, commissioning and water hygiene support.



