Kantametro shafts Package 4
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Description & Project Overview
Trunk metro shafts Package 4 Pääkaupunkiseudun Kaupunkiliikenne Oy ("KLOY" or "Client's representative") organizes tenders for seven separate technical overhauls of the trunk metro shafts, each of which is published as a separate tender, on behalf of the Helsinki City Transport Department ("HKL" or "Client"). This procurement package to be tendered is Kantametro tunnels Package 4, tender code 49H25. Package 4 contains the following shafts: - Antinkatu gap (KP2) - Southern gap of Kaisaniemi (HY1) - Pier emergency exit staircase (HY2) - Kaisaniemi's northern gap (HY3) The project includes a comprehensive technical overhaul of Kantametro's maintenance shafts (4 pcs), focusing on both structural and technical improvements. The purpose is to solve a variety of problems, such as repairing deteriorated concrete, improving ventilation, lighting and fire safety systems, and solving water problems such as leaks and ice formation. The overhaul also includes the renovation and modernization of technical systems, such as heating and ventilation systems, the electrical system and fire protection equipment. The project uses sustainable