Table of Contents
What is the principle of the escape pipe setting?
1.Adequate ventilation, tunnel escape ducts and alarm facilities should be set up at the construction site as required.
2.Tunnel construction needs to implement a time-limiting system for operations, and the dangerous projects must be stopped at night.
3.In terms of tunnel escape pipeline support, the construction unit must strictly manage the tunnel construction support construction process, and it is strictly forbidden to support lagging and safe step distance exceeding the standard.
4.The construction unit should select a qualified company to carry out advanced hydrogeological forecasting and measurement of tunnels. The advanced geological forecasting and measurement company shall improve the quality of forecasting and monitoring, and provide timely and accurate feedback to entry.
5.In terms of tunnels, there must be a special safety construction plan, and a tunnel safety team should be established with sufficient safety personnel.
6.The construction company shall formulate emergency response plans in accordance with regulations, establish emergency rescue teams, allocate emergency rescue personnel, etc., and hold emergency escape drills on a regular basis, such as construction, supervision, and design.
7.Under conditions, mechanized operations should be implemented for escape pipes from tunnels over 1km to reduce the number of operators. Regarding the management of tunnels below 1km, the entry and exit of personnel and vehicles must also be managed in a standardized manner, and unrelated personnel are strictly prohibited from entering.
Standard escape pipeline options:
1.Ensure that the thickness of the tunnel escape pipe is not less than 30mm
2.The length of each tunnel escape pipe is 3 meters
3.The tunnel escape pipe can be manually disassembled, and the connection is firm and safe.
4.When the tunnel escape pipe is temporarily dismantled and moved, it shall be dismantled section by section, and it is strictly prohibited to dismantle it in place at one time.
5. The tunnel escape pipeline should be flat, dry and smooth, and must not be used for purposes other than emergency escape.
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