What must be provided when glass is not firmly supported?

When glass is not firmly supported, all of the options are necessary to ensure the safety and performance of the installation. Detailed construction documents are required to outline the specific requirements and structural considerations necessary for securing the glass properly. These documents typically include drawings, specifications, and other pertinent information that guide the construction and installation processes.

Detailed shop drawings are also essential. They provide a visual representation of how the glass will be installed and how it will interface with other building components. These drawings help prevent misinterpretations and ensure that all elements are accounted for during installation.

Test data is critical for confirming that the glass and its supporting systems can withstand various environmental stresses, such as wind loads, thermal expansion, and other factors that could affect its integrity. Having validated test data helps to ensure compliance with relevant building codes and safety standards.

Thus, the inclusion of all these elements not only adheres to best practices in construction but also significantly enhances the overall safety and durability of the building structure when glass installation is involved.