Relocation of the Caernarfon Tunnel photometer & CCTV post to allow for the construction of the new Ffestiniog & Welsh Highland Railway station.
- Excavation and construction of new concrete foundation.
- Installation of ducting.
- Route tracing, isolation and disconnection of power & communications cables.
- Relocation of post from existing to new foundation.
- Re-connection of power and communications cables.
- Installation of new power distribution & control enclosures within the post.
- High level adjustments of photometer.
- Electrical testing and commissioning.
- Reinstatement of footpath.