NZTA, Johnstone’s Hill Tunnel, Auckland Motorway Network (2009)

Description:
Design, supply and commissioning of a Transit Emergency Public Address System, for the dual tunnel motorway.  LAN audio transport system and remote trigger of emergency pre-recorded messages, LAN networked audio transport from 20km remote master control room.

Main Contractor:
Fulton Hogan, Leighton Contractors, United Group

Equipment:
Bosch loudspeakers, Bosch Praesideo PA / EWIS controller and page stations (local). Dynacord Promatrix PA / EWIS controller and page stations (remote master and slave control rooms) and TOA Audio / LAN transport.