Complete commercial water connection solutions including fire mains, hydrant assemblies, sprinkler supplies, and backflow prevention for all development types.
Every commercial water connection follows a clear, auditable sequence. Here is exactly what happens at each stage.
Before any formal application, USP carries out a hydraulic demand assessment using WRc methodology. This establishes the peak domestic and commercial demands for the site, including any fire suppression requirements. For sites with fire hydrants or sprinkler systems, the fire flow demand is calculated in accordance with BS 750 and BS EN 12845 respectively. The assessment determines the required pipe size, the Point of Connection from the water main network, and whether any mains reinforcement will be required. This early assessment ensures there are no surprises when the formal application is submitted.
USP installs fire hydrant assemblies to BS 750, designed to deliver a minimum of 40 litres per minute at 1.5 bar residual pressure. For sites with automatic sprinkler systems, the supply is designed to meet BS EN 12845 requirements, with flow and pressure confirmed against the sprinkler designer's specification. Where FM Global or LPCB certification is required for the sprinkler system, USP coordinates with the relevant certifying body to ensure the water supply infrastructure meets the required standard.
The Water Fittings Regulations 1999 require backflow prevention at the boundary of all commercial and industrial premises. USP assesses the risk category of each premises in accordance with the Water Regulations Advisory Scheme (WRAS) guidance and installs the appropriate level of backflow protection. Low-risk premises receive a double check valve assembly. High-risk premises, including those with fire suppression systems, chemical dosing, or industrial processes, receive a reduced pressure zone (RPZ) valve assembly installed in an accessible chamber at the property boundary.
With all designs approved and water company consents in place, USP mobilises its WIRS-accredited installation team. Fire mains, hydrant assemblies, and commercial service pipes are installed to the approved design. All pipework is pressure tested and, where required for potable supply, chlorinated and sampled before adoption. The water company carries out a final inspection and formally adopts the new infrastructure. USP manages the full adoption documentation pack and submission process.
The critical parameters that govern every commercial water connection and fire hydrant installation.
End-to-end commercial water capability from a single WIRS-accredited provider.
Every commercial water connection we deliver meets the highest industry standards. Worker safety, public safety, environmental responsibility, and project compliance from planning to sign-off.
50 Google Reviews
I contacted USP and within minutes had a chat with Justin who described exactly how the job would be done and provided a comprehensive quote including labour and materials and was able to start the work in just 7 days. Justin and his team were brilliant and did an amazing job. I can highly recommend USP.
Jack and Joel were absolutely amazing this morning and really put themselves out to dig a hole without having to dig another hole in my drive. More work for them but one happy customer.
From the initial quote through to work completion, Justin and his work partner were a mix of professional, knowledgeable, good-humoured, and clear in all explained (I felt an instant ease to agree to the work). The work itself was excellent and they left the place immaculate!
George and Jack come out today to move a gas meter. It wasn't a straightforward job, but they both took time to talk me through what they were doing and what the next steps are. Very friendly and polite and thought about the needs of our family.
Jack and George are great.
Bang on time, completed the work perfectly, no issues. Left the meter really neatly finished. Jack and Joel were very courteous and did a great job.
George and Jack turned up and did a first class job, very friendly and professional. Great job lads.
Jack and Joel were brilliant. Very polite, worked to my highest expectations. Left the area as clean and tidy, as was possible. And explained every step of the process to me, answering any questions I had.
Fantastic work from Jack and Johl.
Tell us about your project and we will send you a free, no-obligation commercial water connection plan within 24 hours.
Prefer to talk? Call 024 7542 6505 for immediate service.