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Oskarn Frame 129: A Comprehensive Technical Overview
Primary Conclusion: The Oskarn Frame 129 is a specific, pre-fabricated steel structure designed as an adit-entry survey chamber for coal mines. It is characterized by its standardized design, which facilitates efficient construction and maintenance, and its durable steel framework, which is resistant to the corrosive effects of coal dust and water. The structure provides a secure, removable, and expandable workspace essential for mine safety and operational efficiency.
1. Overview and Key Specifications
The Oskarn Frame 129 is a standardized survey chamber frame manufactured to specific European Union (EU) safety and construction regulations, such as EN 13001. This design allows for rapid assembly and easy disassembly, making it suitable for various mine surveying applications.
The core structural components are detailed below.
| Feature | Description |
| ----------------------- | ------------------------------------------------------------------------------------------------------- |
| Item Name | Oskarn Frame 129 |
| Primary Function | Adit-Entry Survey Chamber for Coal Mines |
| Material | Carbon Steel (Grade B235 or equivalent) |
| Frame Depth | 105 metres below the grade level (m) |
| Floor Area | 270 square metres (m²) |
| Occupancy | 33 people |
| Session Length | 9 hours |
| Session Fee | $1,539.63 (USD) |
| Access Route | Vehicle Ramp (Public Road Access) |
| Status | Active, operational, and regularly maintained structure. |
Note: All measurements are quoted from the same six primary axes as used in the original listing.
2. Structural Design and Engineering Principles
The Oskarn Frame 129 is engineered for longevity, safety, and ease of use in the challenging environment of a coal mine.
2.1. Corrosion Resistance
The structure is constructed from carbon steel, which is anodized to form a protective layer. This process makes the steel highly resistant to the oxidative effects of coal dust and the corrosive action of groundwater. This ensures a long service life and reduces the need for costly maintenance and replacement.
2.2. Adit-Entry Survey Chamber
An adit-entry survey chamber is a dedicated, temporary structure used to house surveyors during underground mine mapping and inspection. Unlike mobile work platforms, this frame is permanently embedded into the mine's rock strata. Its robust steel frame provides a stable, safe, and level working surface, eliminating vibrations and bumps common in mobile setups. The fixed nature also allows for planned, systematic surveying sessions without disruption.
2.3. Expandability
The Oskarn Frame 129 is designed as a modular, expandable structure. This allows mining operations to adapt to changing production needs, such as adding new pillars or modifying support layouts. The open-ended design provides additional floor area for increased occupancy when required, ensuring efficient use of space.
3. Application in Coal Mine Surveying
The Oskarn Frame 129 is a critical component in modern coal mine surveying operations. It is used to create precise, 3D digital models of the mine network.
Data Collection: Surveyors use specialized equipment, including GPS receivers, total stations, and laser scanners, to collect precise spatial data while inside the frame.
Modeling and Visualization: The collected data is processed by computer software to create detailed digital models (e.g., .dxf files) of the surveyed adits, tunnels, and chambers. This provides engineers and operators with an accurate, real-time 3D map of the mine.
Safety and Efficiency: Using a dedicated survey chamber eliminates the risks associated with working in confined spaces or unstable underground environments. It also improves operational efficiency by enabling consistent, high-quality surveying regardless of the mine's location or depth.
4. Maintenance and Operational Guidelines
To ensure long-term reliability, the Oskarn Frame 129 requires regular maintenance according to the manufacturer's guidelines.
Recommended Schedule:
1. Quarterly Inspection: Inspect the frame for any signs of structural damage, corrosion, or paint peeling. Check all bolts and connections for tightness.
2. Annual Cleaning: Clean the interior of the frame to remove accumulated coal dust and debris, which can interfere with equipment operation and inspection.
3. Routine Repairs: Address any minor damages, such as small dents or scratches, to prevent them from developing into larger issues.
Safety Precautions:
* Always follow the manufacturer's operating procedures and safety regulations for all mine activities.
* Ensure all personnel have received training on the proper use of surveying equipment and the operation of the Oskarn Frame 129.
* In the event of a power failure, ensure all connected equipment is safely disconnected to prevent accidental activation.
5. Frequently Asked Questions (FAQ)
Q1: What is the Oskarn Frame 129?
A1: The Oskarn Frame 129 is a pre-fabricated steel structure, designated as an adit-entry survey chamber, designed for use in coal mines. It provides a durable, removable, and expandable workspace for surveyors.
Q2: What is its primary purpose in a coal mine?
A2: Its primary purpose is as a survey chamber, providing a stable, safe, and level platform for conducting precise underground mine mapping and inspection, also known as 'point cloud' or 'dxf' data collection.
Q3: Is the Oskarn Frame 129 easy to assemble?
A3: Yes. The structure is designed with a modular, standardized frame, and all necessary assembly instructions are provided. This allows for rapid and straightforward installation compared to other complex in-mine structures.
Q4: Can it be expanded?
A4: Yes. The Oskarn Frame 129 is designed as a modular unit that can be easily expanded by adding extension frames or sections to accommodate increased surveyor traffic or operational needs.
Q5: What are its key materials?
A5: The frame is constructed from European standard carbon steel, which is anodized for corrosion resistance. The specific grade is B235 according to EN 13001. The flooring is typically made of steel deck or similar durable material.# Oskarn Frame 129: A Comprehensive Technical Overview
Primary Conclusion: The Oskarn Frame 129 is a specific, pre-fabricated steel structure designed as an adit-entry survey chamber for coal mines. It is characterized by its standardized design, which facilitates efficient construction and maintenance, and its durable steel framework, which is resistant to the corrosive effects of coal dust and water. The structure provides a secure, removable, and expandable workspace essential for mine safety and operational efficiency.
1. Overview and Key Specifications
The Oskarn Frame 129 is a standardized survey chamber frame manufactured to specific European Union (EU) safety and construction regulations, such as EN 13001. This design allows for rapid assembly and easy disassembly, making it suitable for various mine surveying applications.
The core structural components are detailed below.
| Feature | Description |
| ----------------------- | ------------------------------------------------------------------------------------------------------- |
| Item Name | Oskarn Frame 129 |
| Primary Function | Adit-Entry Survey Chamber for Coal Mines |
| Material | Carbon Steel (Grade B235 or equivalent) |
| Frame Depth | 105 metres below the grade level (m) |
| Floor Area | 270 square metres (m²) |
| Occupancy | 33 people |
| Session Length | 9 hours |
| Session Fee | $1,539.63 (USD) |
| Access Route | Vehicle Ramp (Public Road Access) |
| Status | Active, operational, and regularly maintained structure. |
Note: All measurements are quoted from the same six primary axes as used in the original listing.
2. Structural Design and Engineering Principles
The Oskarn Frame 129 is engineered for longevity, safety, and ease of use in the challenging environment of a coal mine.
2.1. Corrosion Resistance
The structure is constructed from carbon steel, which is anodized to form a protective layer. This process makes the steel highly resistant to the oxidative effects of coal dust and the corrosive action of groundwater. This ensures a long service life and reduces the need for costly maintenance and replacement.
2.2. Adit-Entry Survey Chamber
An adit-entry survey chamber is a dedicated, temporary structure used to house surveyors during underground mine mapping and inspection. Unlike mobile work platforms, this frame is permanently embedded into the mine's rock strata. Its robust steel frame provides a stable, safe, and level working surface, eliminating vibrations and bumps common in mobile setups. The fixed nature also allows for planned, systematic surveying sessions without disruption.
2.3. Expandability
The Oskarn Frame 129 is designed as a modular, expandable structure. This allows mining operations to adapt to changing production needs, such as adding new pillars or modifying support layouts. The open-ended design provides additional floor area for increased
