Nehe Container House Installation

The installation of container houses in Nehe City should follow the following core steps and technical requirements:

1. Site and Foundation Preparation

• Site Selection: The site should be flat, dry, and well-drained, with debris and sharp objects cleared away to prevent foundation settlement or water accumulation.
• Foundation Types:
  • Long-term Use: Use a concrete strip foundation, ensuring that the top surface levelness error is ≤3mm, and the levelness deviation of embedded anchor bolts or positioning steel plates is ≤10mm.
  • Temporary Sites: I-beam or steel beam foundations can be selected, meeting the same levelness requirements.
• Key Points: The stability of the foundation directly affects the overall safety of the house, and construction should strictly follow the design drawings.

2. Container Body Lifting and Positioning

• Lifting Method: Use a crane or forklift to lift the container through the four corner fittings at the top. Single-point lifting is strictly prohibited to prevent deformation of the container body.
• Positioning Adjustment:
  • Align with the embedded parts of the foundation, use a level to check the longitudinal and transverse levelness, with an error ≤5mm, and use steel shims for fine adjustment if necessary.
  • After positioning, temporarily fix it to prevent displacement during subsequent operations.

3. Connection and Fixation

• Container Body and Foundation: Fix the bottom corner fittings with M20 or M24 high-strength bolts, with a torque of 280-320N·m to ensure a firm connection.
• Multi-container Assembly:
  • Horizontal Connection: Tighten with 8.8-grade high-strength bolts through the corner fitting holes, tightening in stages in a diagonal sequence to avoid local stress concentration.
  • Vertical Stacking: Use twistlocks or special columns for locking, fill the assembly joints with sealing strips and fix them to prevent rainwater leakage.
• Verticality Correction: Use a theodolite or plumb bob to check the verticality of the side walls, with a deviation ≤3mm/meter to ensure the structural stability of the house.

4. Installation of Doors, Windows, and Ancillary Facilities

• Door and Window Installation: Fill the gaps of steel doors and windows with foamed polyurethane and seal them with sealant to ensure an opening angle ≥90° and prevent air and rain leakage.
• Roof and Exterior Walls: Install skylights, rainwater pipes, etc. according to design requirements to ensure tightness and aesthetics, avoiding water accumulation or falling risks.

5. Interior Decoration and Pipeline Laying

• Electrical System: Lay conduit pipes, install waterproof sockets and LED lights, with an insulation resistance ≥0.5MΩ to prevent electric shock.
• Water Supply and Drainage System: Connect PPR/PVC pipes, conduct a pressure test at 0.6MPa, and maintain the pressure for 30 minutes without leakage to ensure water safety.
• Floor and Wall: Lay anti-static floors or tiles, install lightweight partition boards to improve living comfort.

6. Acceptance and Safety Inspection

• Structural Inspection: Confirm that all bolts are tightened, the container body is free of deformation and shaking, and the assembly joints are well-sealed.
• Functional Testing: Conduct power-on and water-on tests. For high-rise or multi-container combined structures, add wind and earthquake-resistant diagonal braces to ensure disaster resistance.

Key Principles: A stable foundation, precise lifting, reliable connection, and tight sealing are crucial. Special attention should be paid to the connection of corner fittings and the waterproofing of assembly joints. It is recommended to be operated by a professional team.