Huge ground pipe gallery is unveiled in Ji’nan west city.

　　Recently a 7-km-long underground integrated pipe gallery with the inner diameter of 2.8 meters which was dug out 570,000 cubic meters of earth at the starting of the construction has been accepted after the comprehensive inspection and is put into use. This gallery is 7 meters below Yushan Avenue, east of Ji’nan. The pipe package including pipes for water feeding , raining ,recycled water, communication , weak current and electromechanical fire protection system and smart system followed soon will provide the supporting services for Guodian , Dongjia community and inland port core area which is under construction .Pipe maintenance and repair when is was put into use can be undertaken in the gallery , avoiding the outer influence caused by digging such as traffic jam, noise pollution and city appearance.