Required.
If the pipes reserved for the solar energy installation are not blocked, there may be water leakage problems. If the waterproofing is not done properly, it can cause water leakage problems for the residents above. ground. Causes a water waste problem.
Some locations require certain residential buildings to design pipes and built-in parts for solar water heating systems to prepare for future needs. Specifically, if the design documents of the construction drawings have not been reviewed or have not passed the energy efficiency examination of the building, the construction administrative department will not issue a building permit. For projects that are not constructed in accordance with building energy-saving design standards, the project quality supervision agency will not issue a supervision report.t the administrative construction department will not proceed to acceptance and submission of completion.