Editor’s Guide
In prefabricated building construction, the construction team is involved well before the final stages. During the detailed design phase of prefabricated components, the construction unit must create precise component drawings tailored to actual conditions to support subsequent construction activities. What key tasks should the construction team focus on during this stage?
1. Understanding Deepening Design Requirements
(1) Detailed drawings for prefabricated components within BIM should be created based on reserved and embedded requirements from various specialties, production, and construction needs. Any conflicts discovered in these drawings must be promptly highlighted to allow designers to make timely corrections.
(2) It is essential to verify that the detailed prefabricated component drawings comply with regulatory and installation standards. The construction team should familiarize themselves with relevant standards and ensure that the drawings meet the necessary criteria for production, quantity estimation, and installation during the deepening design process.
2. Completing the Detailed Design Content
(1) Exterior Wall Finishing Methods: When refining exterior wall designs, special attention should be given to the layout of tiles, decorative concrete, stone, and other finishes. The types and quantities of materials must align with design specifications. Additionally, stone procurement should satisfy requirements for aggregate strength and visual quality.
(2) Energy Efficiency and Insulation Structures: The insulation design should fulfill the building’s functional requirements. Selecting appropriate insulation materials and connectors is crucial to ensure precise integrated decoration details. The design’s performance must also be verified through calculations and assessments.
3. Critical Focus on the Detailed Drawing List
(1) Nodes:
- ● Detailed assembly drawings for vertical joints in wall panels;
- ○ Detailed assembly drawings for horizontal joints in wall panels;
- ● Detailed floor joint assembly drawings;
- ○ Detailed staircase installation node drawings;
- ● Installation node drawings for balcony panels;
- ○ Installation node drawings for air conditioning panels;
- ● Installation node drawings for assembly plates;
- ○ Installation node drawings for partition boards;
- Detailed node drawings for beams and columns.
(2) Processing:
- Prefabricated component formwork diagrams;
- ○ Reinforcement diagrams for prefabricated components;
- ● Diagrams showing reserved and embedded accessories for prefabricated components.
4. Key Considerations for Prefabricated Component Production
(1) Production Planning:
The construction team should actively participate in designing and adjusting the component production plan according to drawing requirements, ensuring smooth and consistent manufacturing processes.
(2) Mold Design:
The team must verify that the design drawings meet construction needs and collaborate to identify any issues with the mold production plan early on, offering modification suggestions promptly.
(3) Personnel Organization:
Assign dedicated staff to oversee component production quality, ensuring compliance with strength, dimensions, and appearance standards. A representative should maintain communication with the component factory, providing timely updates and conveying construction requirements.
(4) Technical Quality Control:
Component quality directly affects assembly and installation. Close, timely communication with manufacturers is essential. Strength tests must be conducted promptly, and components failing installation criteria should be remanufactured without delay. Any significant dimensional discrepancies must be addressed immediately with the manufacturer.
(5) Storage and Transportation Planning:
Minimizing transportation distances and ensuring components are ready for use are critical measures to support efficient land use during prefabricated installation construction.
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