Provide new supply and distribution panels from the basement to the roof for new AHUs.
SACX extended the existing LV panel in the basement to accommodate a new 800A supply for the AHUs, which were installed by another contractor. We installed 4 x 95mm 4-core SWA cables in parallel, running from the roof down 7 floors through the riser and car park, covering approximately 220 meters. These cables were terminated into a new Hager LV panel in the basement and a new Schneider MCCB panel on the roof, which was housed in a custom-built GRP enclosure.
The primary challenges were related to access and storage. Due to the tight access on the roof, a bespoke GRP enclosure had to be designed and constructed to fit through the stairwell. Additionally, the building floors were occupied with sensitive information, so access was only allowed during off-hours.
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