(1) Overview of the work surface
1. Geological conditions of the working face
Things to work long, coal thickness, tilt angle, top and bottom slate and the like.
2, the work surface support situation
Support form and parameters, pillar and top beam model, roofing material, working face mining, etc.
3. Other matters that need to be explained
(2) Technical solutions and requirements
1. Collection range
Explain the scope of the collection and the equipment materials to be recycled.
2, collected as a technical solution
According to the mining technical conditions of the working face, the technical plan for collection is included: the control of the high mining before the harvest, the order of the construction for the returning shed, the laying of the net, the control of the top distance, the working surface and the transportation routes of the two lanes.
3. Other technical requirements.
(3) Preparation before the collection
Preparation and use of local ventilators and air ducts, preparation of various materials, cleaning and maintenance of working surfaces, preparation of equipment and transportation routes, etc.
(4) Engineering quality and safety management requirements
1. Roof management measures and requirements
The initial support force of the working face pillar, the control top distance, the special bracket requirements for the shed, the pump pressure requirements, and other technical measures to be taken, such as the support of the special sections such as coal roof, coal bottom and fault, and the measures of returning the column.
2. Safety facilities management and requirements
Anti-back rope, horizontal pin, etc.
3. Management and requirements of “one pass and three defensesâ€
Local ventilation system management measures and requirements, gas monitoring and management requirements, comprehensive dust prevention, anti-natural fire management requirements.
4. Transportation safety management requirements
Requirements for outbound transportation, loading and inclined lane transportation of supporting materials.
5, emergency, spare material configuration
Emergency, spare material name, quantity and location requirements;
6. Construction and labor organization arrangements
7. Other management requirements
(5) Organizational measures
1. Established as a leading group
2. Main responsibilities of the leading group
The implementation and implementation of the acceptance measures, and the team members’ follow-up system.
(6) Drawings
1. Plan view of the roadway system of the working face
Mark the current mining and expected collection line position, and the two lanes recycling position.
2, the work surface support flat, sectional view
It is necessary to reflect the top time of the control.
(7) Attachments
Received as a meeting minutes and so on.
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