Project Description
PPA CONROLL, Inc. implemented complete technological part of the Horelica tunnel – 600 m as the general contractor for VÁHOSTAV-SK, Inc.
Commissioning in 11/2004
Power supply of the tunnel (22 KV substation, LV switchboard – power supply of technological equipment, UPS and diesel generator)
Lighting of the main tunnel and the escape tunnel, fire and emergency lighting
Supply of the central control system
Measurement of physical quantities – opacity, CO, air flow, differential pressure, temperature
Drive-simulator for operators with a simulation of incidents
Security system (SOS boxes, closed TV circuit + transmission of images to the police and the Fire and Rescue Corps)
Electric fire signalling system
Wireless connection in the tunnel
Ventilation of the main tunnel tube and the escape tunnel
Traffic control (variable message signs and traffic lights)