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1. Preparation before installation
1. Site survey and planning
- Topographic Assessment: Check whether the site is flat and whether the foundation bearing capacity meets the standards (usually ≥100kPa), and avoid soft soil, accumulated water or slopes.
- Layout Design: Plan the placement location of the box room according to needs, reserve the channel, door and window opening direction and water and electricity pipeline path.
- Compliance Inspection: Confirm whether it complies with local building codes, such as fire protection distance (usually ≥ 6 meters), earthquake resistance requirements, etc.
2. Foundation Construction
- Concrete foundation: Suitable for long-term use scenarios, poured concrete slabs with a thickness of ≥20cm, and embedded anchor bolts (spacing ≤2 meters).
- Steel frame foundation: In temporary or movable scenarios, H-shaped steel or channel steel is welded into a frame, with a leveling error of ≤3mm/m.
- Drainage treatment: A drainage ditches (width ≥30cm) are set up around it to prevent water accumulation and erosion.
3. Materials and Equipment Preparation
- Check the box size (standard 6m×3m×2.8m or customized specifications) and structural integrity (check welds, rust).
- Prepare hoisting equipment (such as cranes above 25 tons), connectors (high-strength bolts above M16), waterproof glue, insulation materials, etc.
2. Installation steps
1. Case hoisting
- Use a lifting belt or special fixture to fix the four corners of the box, and keep the lifting angle horizontal (inclination ≤2°).
- Place the box in sequence according to the design order, and the installation error of the first floor is controlled within ±5mm.
2. Box Fixation
- Bottom fixation: Connect the box to the foundation through embedded bolts or welding, and the torque must comply with the specifications (such as the torque of M16 bolts is 220N·m).
- Multi-layer structure: The upper box and the lower layer are connected through corner parts, and are twisted or welded using ISO standard, and the verticality deviation is ≤H/1000 (H is the total height).
3. Box connection
- The cutting opening needs to be reinforced (such as adding a C-shaped steel frame), the side plates are fixed with bolts between adjacent boxes, and the gaps are filled with foam glue and covered with waterproof tape.
- Multi-layer structures require the installation of columns (such as 100×100mm square steel) to enhance overall stability.
4. Petroleum installation
- Pipe embedding: Use waterproof casings when the water and electricity lines pass through the walls. The wires need flame retardant models (such as ZR-BV). It is recommended to use PPR hot melt pipes for water pipes.
- Equipment installation: The grounding resistance of the distribution box is ≤4Ω, and the solar system needs to match the inverter power.
5. Doors and Windows and Ventilation
- Install broken bridge aluminum doors and windows, apply neutral silicone sealant to the gap, and open the fan-configured screen window.
- The roof is equipped with a non-powered hood or the side walls are ventilated louvers (area ≥ 5% of the room area).
6. Interior decoration
- Fireproof gypsum board is covered with walls (thickness ≥12mm), and PVC floor or laminate wood floor is laid on the floor.
- The ceiling is made of light steel keel + mineral wool board, and the interlayer is filled with rock wool (density ≥80kg/m³) and is insulated and sound-insulated.
III. Acceptance and commissioning
1. Structural inspection: Use a laser level to detect the overall level (Error ≤10mm/10m), and there is no abnormal shaking of the shaking box.
2. Confinement test: Observe leakage at the joints on rainy days, or use smoke to test the ventilation system.
3. Hydropower test: Water pressure test (0.6MPa hold pressure for 30 minutes without leakage), circuit insulation resistance ≥0.5MΩ.
4. File Archive: Save foundation construction records, material certificates, and hidden project acceptance form.
4. Things to note
1. Safety Specifications: People are not allowed to stand within the hoisting radius, and seat belts are buckled when working at high altitudes, and fire extinguishers are equipped during welding.
2. Environmental adaptability: XPS insulation board (thickness ≥50mm) is installed at the bottom of the box in cold areas, and hot-dip galvanized steel (plating layer ≥80μm) is used in coastal areas.
3. Compliance Procedures: Temporary buildings need to apply for project planning permits (usually 2 years of validity period), and fire extinguishers must be equipped with fire inspection (at least 2 pieces of 4kg of dry powder per 50㎡).
4. Maintenance cycle: Check the anticorrosion coating every year (replace epoxy zinc-rich primer + polyurethane topcoat in the damaged areas), and the bolts are tightened every two years.
1. Site survey and planning
- Topographic Assessment: Check whether the site is flat and whether the foundation bearing capacity meets the standards (usually ≥100kPa), and avoid soft soil, accumulated water or slopes.
- Layout Design: Plan the placement location of the box room according to needs, reserve the channel, door and window opening direction and water and electricity pipeline path.
- Compliance Inspection: Confirm whether it complies with local building codes, such as fire protection distance (usually ≥ 6 meters), earthquake resistance requirements, etc.
2. Foundation Construction
- Concrete foundation: Suitable for long-term use scenarios, poured concrete slabs with a thickness of ≥20cm, and embedded anchor bolts (spacing ≤2 meters).
- Steel frame foundation: In temporary or movable scenarios, H-shaped steel or channel steel is welded into a frame, with a leveling error of ≤3mm/m.
- Drainage treatment: A drainage ditches (width ≥30cm) are set up around it to prevent water accumulation and erosion.
3. Materials and Equipment Preparation
- Check the box size (standard 6m×3m×2.8m or customized specifications) and structural integrity (check welds, rust).
- Prepare hoisting equipment (such as cranes above 25 tons), connectors (high-strength bolts above M16), waterproof glue, insulation materials, etc.
2. Installation steps
1. Case hoisting
- Use a lifting belt or special fixture to fix the four corners of the box, and keep the lifting angle horizontal (inclination ≤2°).
- Place the box in sequence according to the design order, and the installation error of the first floor is controlled within ±5mm.
2. Box Fixation
- Bottom fixation: Connect the box to the foundation through embedded bolts or welding, and the torque must comply with the specifications (such as the torque of M16 bolts is 220N·m).
- Multi-layer structure: The upper box and the lower layer are connected through corner parts, and are twisted or welded using ISO standard, and the verticality deviation is ≤H/1000 (H is the total height).
3. Box connection
- The cutting opening needs to be reinforced (such as adding a C-shaped steel frame), the side plates are fixed with bolts between adjacent boxes, and the gaps are filled with foam glue and covered with waterproof tape.
- Multi-layer structures require the installation of columns (such as 100×100mm square steel) to enhance overall stability.
4. Petroleum installation
- Pipe embedding: Use waterproof casings when the water and electricity lines pass through the walls. The wires need flame retardant models (such as ZR-BV). It is recommended to use PPR hot melt pipes for water pipes.
- Equipment installation: The grounding resistance of the distribution box is ≤4Ω, and the solar system needs to match the inverter power.
5. Doors and Windows and Ventilation
- Install broken bridge aluminum doors and windows, apply neutral silicone sealant to the gap, and open the fan-configured screen window.
- The roof is equipped with a non-powered hood or the side walls are ventilated louvers (area ≥ 5% of the room area).
6. Interior decoration
- Fireproof gypsum board is covered with walls (thickness ≥12mm), and PVC floor or laminate wood floor is laid on the floor.
- The ceiling is made of light steel keel + mineral wool board, and the interlayer is filled with rock wool (density ≥80kg/m³) and is insulated and sound-insulated.
III. Acceptance and commissioning
1. Structural inspection: Use a laser level to detect the overall level (Error ≤10mm/10m), and there is no abnormal shaking of the shaking box.
2. Confinement test: Observe leakage at the joints on rainy days, or use smoke to test the ventilation system.
3. Hydropower test: Water pressure test (0.6MPa hold pressure for 30 minutes without leakage), circuit insulation resistance ≥0.5MΩ.
4. File Archive: Save foundation construction records, material certificates, and hidden project acceptance form.
4. Things to note
1. Safety Specifications: People are not allowed to stand within the hoisting radius, and seat belts are buckled when working at high altitudes, and fire extinguishers are equipped during welding.
2. Environmental adaptability: XPS insulation board (thickness ≥50mm) is installed at the bottom of the box in cold areas, and hot-dip galvanized steel (plating layer ≥80μm) is used in coastal areas.
3. Compliance Procedures: Temporary buildings need to apply for project planning permits (usually 2 years of validity period), and fire extinguishers must be equipped with fire inspection (at least 2 pieces of 4kg of dry powder per 50㎡).
4. Maintenance cycle: Check the anticorrosion coating every year (replace epoxy zinc-rich primer + polyurethane topcoat in the damaged areas), and the bolts are tightened every two years.
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