Challenges in Using BIM for Water Supply and Drainage Design:
1. There is a shortage of components that comply with Chinese architectural design standards, and the available family libraries are incomplete.
2. The capability to generate 2D drawings is limited and requires further improvement.
BIM aims to encompass the entire process—including design, preliminary budgeting, construction, and facility management—through its inherent parameters. However, the vast number of parameters leads to complex hierarchical classifications, complicated modifications, and a significant amount of redundant information.
4. BIM supports two collaborative design modes: working set and linking mode. Pipeline adjustments during synthesis are more complex in linking mode, while managing permissions in working set mode can be cumbersome.
5. There is a lack of commonly used pipelines, fittings, and mechanical equipment families that meet Chinese municipal engineering standards.
Data interoperability remains an issue, as BIM’s interfaces with various analysis software are still imperfect.
Before performing pipeline and system calculations, it is essential to establish both logical and physical connections between pipelines, appliances, and equipment. Improper pipeline connections can prevent the entire system from being calculated correctly.
Currently, there is no unified BIM design standard that fully meets construction requirements.
9. Reusing individual components within projects is challenging. Variables cannot be set within the project, and existing models often suffer from disconnected pipeline connections or restricted mobility when copying and moving elements.
These issues highlight the current limitations of BIM in China’s water supply and drainage design sector, driving designers and construction professionals to deepen their application and research of BIM technology.
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