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The 9.3km-long Kanapuri River Tunnel in Bangladesh, including a shield tunnel section of 2,450m in length and 11.8m in diameter, was designed and constructed using Chinese specifications, with a design speed of 80km/h for a two-hole, four-lane tunnel, and a total project contract value of US$700 million.
On 26 November 2022, a ceremony was held to mark the completion of the southern tunnel of the Lakhanapuri River project in Monga, which was financed by the Export-Import Bank of China, contracted by China Communications Construction Company Limited and implemented by China Road and Bridge Engineering Company Limited.
The Kanapuri River Tunnel is the first tunnel in Bangladesh, which will greatly improve the traffic conditions in Chittagong and drive the economic development of Bangladesh, and will also help to improve the Asian Highway Network and promote the connectivity between Bangladesh and neighboring countries.It is important for the implementation of the "One Belt, One Road" initiative and the construction of the Bangladesh-China-India-Myanmar Economic Corridor.
Based on the daily communication needs and actual situation in the tunnel, combined with the current technological development and system management requirements, New Rock provided the client with a unified communication management, which designed to efficiently integrate the functions of tunnel emergency phone, emergency broadcasting, office communication, multi-level unified management with high reliability.
The system requires common dispatching functions such as intercom, shouting, forcible demolition, forced insertion and listening. Multi-terminals are connected to the gateway equipment to enable the intercom broadcast system and external phones to communicate.
3. Installation of multiple IP telephones in the tunnel control and management station, all of which transmit and communicate data through the network and are registered to the New Rock OM8000 IP PBX unified communications platform.
7. The New Rock OM8000 IP PBX has fault alarm and display function, which greatly simplifies the workload of operation and management personnel, fully protects the lives and properties of the tunnel, and improve the efficiency of the daily system management.
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