37 Fleet Street
37 Fleet Street(Hoare’s Bank) was built in 1829 as the headquarters of C. Hoare & Co who remain the only family-owned bank still in existence. Corrosion had affected the building significantly and the façade was cracking due to iron cramps and pins corroding.
An impressed current cathodic protection (ICCP) system was designed for the project to be able to provide long-term protection to wrought iron dog cramps and pins embedded within stone façade to the front elevation.
Product / System Used
Discrete anode ICCP system with CP20 reference electrodes, AchillesICP and AiMS
Project Details
Corrosion had established in over 500 iron components causing cracking to the stone blockwork. Once electrical continuity had been interconnected and assured between each discreet ferrous component these were grouped in zones for each level of the building for control purposes. Termination of the anode and cathode dc circuitry with embedded monitoring devices within each of 3 zonal enclosures allowed remote data acquisition and electronic control of the protection systems online.
Project Impact
The owners have had no need to revisit any disrepair to the stonework since commissioning of the ICCP in 20-7. With embeddable sensors in place so valuable ISO 12696 performance data are collected and reported over the long-term and available remotely to the clients online. Comfort is provided that the asset is being effectively protected – it has been for the last 17 years!
Awards
ICRI Award of Excellence – Special Projects (2007)