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)