The fibre cables are the engines that run the data centres and what makes these projects mission critical. It is therefore crucial that the fibre...
As part of a shift towards more modern methods of construction, prefabricated elements and the associated factory witness testing became a critical hold-point and interface in the construction process.
As part of a shift towards more modern construction methods, prefabricated elements and the associated factory witness testing became a critical hold-point and interface in the construction process. The witness testing component became even more important as travel restrictions during the COVID-19 pandemic created a Health & Safety risk and made regular factory visits infeasible.
Scope of Works
To overcome the many restrictions and constraints created by the COVID-19 pandemic, the Main Contractor and XYZ Reality collaborated to redefine Factory Witness Testing procedures. This included:
- Bringing the Factory Witness Testing to site by creating a designated inspection zone
- Remote streaming the inspection captured by The Atom AR headset and viewed through HoloSite to maximise visibility for relevant parties
- Incorporating interfacing elements into the inspection
During one of the first deliveries of a prefabricated fibre cable chamber, site teams immediately identified two errors by viewing models of the chamber on its own and models of the interfacing ductwork:
- Base of concrete 200mm too wide
- Ductwork openings misaligned by 75mm
By catching this error quickly, the chamber prefabrication could be reconfigured to the correct dimensions avoiding future installation errors and rework. In addition, all relevant package managers and trade contractors could validate or reject the inspection through the live streaming capabilities of The Atom.