Detailed installation process analysis of water, Electricity and decoration inside Double-layer expandable Container Houses
Detailed installation process analysis of water, Electricity and decoration inside Double-layer expandable Container Houses
In accordance with the design drawings of the water supply and drainage system, lay the water supply and drainage pipelines inside and outside the container module. For water supply pipes, either PP - R pipes or galvanized steel pipes are generally used, while PVC - U pipes are adopted for drainage pipes. During installation, adhere to the principle of “horizontal straightness and vertical alignment”. The spacing of pipe supports should comply with relevant specifications (for PP - R pipes, the support spacing is generally 0.6 - 1.0m; for PVC - U pipes, it is 1.0 - 1.5m).
For water supply pipes, connect the reserved interfaces of the container module using either hot - melt welding or threaded connections. For drainage pipes, use socket - type connections. Ensure proper sealing at all joints to prevent water leakage. Meanwhile, install auxiliary water supply and drainage facilities such as water taps, sanitary ware, floor drains, and inspection wells. Guarantee the smooth operation of the entire water supply and drainage system without any leakage.
Based on the electrical design drawings, lay electrical pipelines, including lighting circuits, power circuits, and weak - current circuits (for networks, telephones, televisions, etc.). Electrical pipelines can be installed either by threading them through pipes (steel pipes or PVC pipes) or using trunking. The routing of pipelines should avoid structural stress - bearing parts as well as areas prone to high temperatures or moisture.
Select wires and cables that meet the design requirements for current - carrying capacity and voltage. Connect wires using terminal blocks or welding to ensure secure connections. Install electrical equipment such as distribution boxes, switches, sockets, and lamps. Distribution boxes are typically installed at a height of around 1.5m. Switches and sockets are installed at heights that comply with specifications (usually 1.3m for switches and 0.3m for sockets). Lamps should be installed firmly and aesthetically, ensuring the safe and reliable operation of the entire electrical system.
Carry out interior wall and floor finishing according to usage requirements. For walls, decorative materials such as latex paint, wallpaper, or integrated wall panels can be used. If using latex paint on container module walls, first perform base - layer treatment (sand, level, and apply putty) on the walls, then apply latex paint at least twice to ensure the walls are smooth and the color is uniform.
For floors, options include floor tiles, wooden flooring, or epoxy flooring. Before laying floor tiles, level the floor and use dry - hard cement mortar for paving, ensuring uniform and straight gaps between tiles. For wooden flooring, proper moisture - proof treatment is necessary, and it can be installed either in a floating or fixed manner. For epoxy flooring, follow the sequence of applying a primer, a middle coat, and a top coat, ensuring the floor surface is smooth, wear - resistant, and slip - resistant.
If a ceiling is required, options include light steel keel ceilings or integrated ceilings. For light steel keel ceilings, first install main and auxiliary keels, with spacing complying with design requirements (main keels are generally spaced around 1.2m apart, and auxiliary keels 0.4 - 0.6m apart). Then install ceiling panels (such as gypsum boards or aluminum 扣板). Leave gaps between panels and seal them with sealant.
Partitions can be made of lightweight partition boards (such as gypsum partition boards or color - steel plate partitions) or glass partitions. Lightweight partition boards are installed using tongue - and - groove joints and reliably connected to the steel structure frame of the container module. Glass partitions use stainless steel or aluminum alloy frames, with glass and frames sealed with sealant. Ensure partitions are installed firmly and provide good sound insulation.
Conduct a comprehensive cleaning of the entire construction site and the interior of the container mobile house. Remove construction waste, debris, and dust generated during the construction process. Clean doors, windows, walls, floors, and equipment to ensure the mobile house is tidy and clean, meeting the conditions for delivery and use.
Commission and inspect installed components such as doors, windows, electrical and plumbing equipment, stairs, and railings. Ensure doors and windows open and close flexibly, locks function properly; electrical and plumbing equipment operate stably without water or electricity leakage; and stairs and railings are firm without looseness. Repair and improve minor defects (such as insufficiently filled sealant or minor scratches on walls) to ensure project quality.
Conduct acceptance checks on sub - projects such as foundation construction, container module installation, enclosure component installation, electrical and plumbing pipeline installation, and interior finishing in accordance with the construction sequence. Inspect whether the construction quality of each sub - project meets design requirements and relevant construction specifications and standards. Examples include checking the concrete strength and dimensional deviations of the foundation; the installation accuracy and connection firmness of container modules; the sealing and insulation performance of exterior wall panels; and the laying routes and connection quality of electrical and plumbing pipelines. Promptly rectify any sub - projects that fail acceptance.
On the basis of passing sub - project acceptances, conduct an overall project acceptance. An acceptance team consisting of representatives from the construction unit, contractor, design unit, and supervision unit will comprehensively inspect and accept the overall appearance, structural safety, and completeness of functional use of the double - layer expandable container mobile house.
Check whether the overall layout of the mobile house meets planning and design requirements, whether the structure is safe and reliable (through settlement observation, structural deformation detection, etc.), whether various functional uses (office, accommodation, water and electricity supply, etc.) operate normally, and whether relevant documents (construction drawings, hidden project acceptance records, material inspection reports, sub - project acceptance records, etc.) are complete. After passing the acceptance, sign the project acceptance report for official delivery and use.
Through the above - detailed installation and construction process, the double - layer expandable container mobile house can be constructed quickly, efficiently, and with high quality, meeting usage requirements in different scenarios. Meanwhile, it features good expandability and recyclability, providing a reliable implementation approach for the application of temporary and modular buildings.
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