Beijing Baobao Gas Transmission Project Phase 2 10# (Shangdi West Road) natural gas project, Jingbao Expressway to Qinghe North Side Road, total length of pipeline is 5526 meters, DN700 pipeline length is 5489 meters, DN500 pipeline length is 37 meters, (DN700)117 Meter top pipe, two DN700 gas-liquid linkage valve room, one DN700 single pipe valve room, one DN500 single pipe valve room.