Do I need to ask for an expert's opinion for external decoration works such as glass curtain wall installation and external stone installation on building construction sites? What are the requirements

Do I need to ask for an expert's opinion for external decoration works such as glass curtain wall installation and external stone installation on building construction sites? What are the requirements? What is the basis? Split into two cases, because both "glass curtain wall" or "exterior stone installation" exterior decoration works are part of the building curtain wall installation project, since the talk of "expert verification" of the The problem should be referred to the "greater danger of sub-parts of the project safety management measures" notice JianQi [2009] No. 87, according to the provisions of this article, the construction of curtain wall installation project is a "greater danger of sub-parts of the project scope", it should be prepared for the special construction program, and in accordance with the procedures for approval, however "Construction height of 50m and above the building curtain wall installation project" is "more than a certain size of the scope of the hazardous sub-parts of the project", so not only to prepare a special construction program and "should be constructed by the unit The construction unit should be held by the organization of the expert demonstration meeting. The implementation of construction general contracting, by the construction of general contracting unit organization to convene an expert demonstration meeting. "For details, see the" hazardous sub-parts of the project safety management approach ", I hope you can help.