List of quotations for tunnel maintenance

What is the price of one meter for general maintenance and repair of tunnels that have been penetrated? Hello, I'm glad to answer your question. It depends on the grade of surrounding rock. Different levels of surrounding rock and geological conditions have different costs. For general preliminary design, the total investment can be calculated as per linear meter10.5 million or so. 3. What is the cost of a 1 km tunnel? 1 km tunnel cost: one meter is close to1.2000, depending on the quality of surrounding rock, it fluctuates around 30000. 4. Cost per meter of the tunnel: 5.3m wide and 4.7m high, Grade III and IV. Diversion tunnel, only contractors, no materials. How much is it per meter? 5. How much does it cost to build a tunnel in expressway? Expressway cost 1m, about 654.38+ten thousand yuan. 6. What is the construction cost of a diversion tunnel with a height of 5 meters and a width of 5 meters? The total length is about 700 meters. I hope my answer can help you! Do you have any other questions to ask?