Regarding the guidance on labor subcontracting for tunnel engineering, the following are some detailed procedures and corresponding information, which can be used as a reference, but please note that the actual situation may vary depending on the region, the specific needs of the project and market conditions.
1.*Tunnel excavation** (500 meters within the distance):
Solid stone: 84 yuan for 1 cubic meter.
Sub-solid stone: 78 yuan for 1 cubic meter.
Soil and stone: 74 yuan for 1 cubic meter.
The distance is increased by 100 meters, and the increase is 0$4.
2.*Tunnel support**:
Steel arch production and installation: 903 yuan per ton.
Production and installation of steel mesh sheets: 700 yuan per ton.
Grille steel frame production and installation: 1200 yuan per ton.
Pipe shed drilling production and installation: 159 yuan per meter.
Advance small catheter: 17 per meter$8.
Mortar anchors: 12 per meter$8.
Hollow anchors: 13 per meter$7.
Self-propelled anchor: 11 yuan per meter.
Karst cave treatment borehole: 70 yuan per meter.
Cement slurry: 72 yuan for 1 cubic meter.
3.*Hole lining**:
Lining trolley assembly: 20,000 yuan each time.
Double-lined concrete: 82 yuan per cubic meter.
Second lining steel bar: 750 yuan per ton.
Inverted arch concrete: 62 yuan per cubic meter.
Concrete side ditch and cable ditch: 238 yuan per cubic meter.
Cover plate installation: 160 yuan per cubic meter.
Vault grouting : 75 yuan per cubic meter.
4.*Door masonry**:
Excavation of the earthwork at the entrance of the cave: 11 yuan per cubic meter.
Soft stone excavation at the entrance of the cave: 21 yuan per cubic meter.
Excavation of solid stone at the entrance of the cave: 31 yuan per cubic meter.
Shotcrete at the entrance of the hole: 260 yuan per cubic meter.
End wall and hat stone: 258 yuan per cubic meter.
Retaining walls and arches: 180 yuan per cubic meter.
Cave door slurry sheet stone: 140 yuan per cubic meter.
These ** data provide a general understanding of the labor subcontracting of tunnel engineering, but the actual application also needs to consider the geographical location of the specific project, the difficulty of construction, the cost of material transportation and other factors. It is suggested that in the actual project, the ** should be adjusted and considered in combination with the specific situation. construction site