| Client | Duration | Key Fact | Valve |
|---|---|---|---|
| IMPERIAL COLLEGE | 90 Days | Critical Deadline | £ 650 K |
Our site and technical team provided an excellent service on this project, working on the heart of the Imperial Colleges 21 MW medium temperature heating system within a very tight deadline.
Enabling Works
Removal and re-routing of many LTHW circuits
Removal of redundant fire hydrant services
Removal of redundant large bore steam piped services
Design, Installation, Connection and Commissioning
Modifications to the DN 350 system flow and return headers
Reconfiguring Plate Heat Exchanger connections
Main circulation pumps x 2, a third pump will be added in the future as a separate works package
Pressurisation unit. Includes a fill and spill unit and intermediate vessel.
Isolation valves for the 2 main legs.
Side stream filtration unit – including chemical dosing.
Relocation and reconnections of Plantroom ventilation ductwork / Existing CHP flow and return pipework.
Pressure testing of all new pipework, Pressure testing has been to 1.5 x the working pressure as a minimum, suggested to test to 6 barg for a period of 1 hours.
Flushing of all new pipework utilising a non-system pump.
Chemical treatment of all new pipework.
Filling and dosing of all new pipework. Samples of system water will require testing against BSRIA guidelines.
MTHW plates re-commissioned.
Strategic Elements
All works are below ground and every pipe / plant item had to be lowered from a gantry crane to below the college.
Ensuring that SCADA sensors were carefully removed and re-fitted.
Successes
Working and keeping our team motivated and hydrated in extreme temperatures and working with very heavy and awkward DN350 pipework.
