Thank you Ronald for the reply. Very helpful.
You are correct that ASCE 7 does not directly address the issue. I have been engaged in projects that successfully developed such structures, where the lower, higher risk category structure was designed for one Risk Category (say RC III) and the supported structure for a lower category (say RC...
ASCE 7-22 Cl. 1.5.2 addresses buildings with independent structural systems with multiple Risk Categories. It also states that if portions of a higher Risk Category area pass through a lower Risk Category area and depend on structural elements within the lower Risk Category area, that those...
An interior roof equipment screen wall can be designed for the forces in section 29.4.1, Rooftop Structures and Equipment for Buildings. This provision takes into account the elevation of the screen wall, which is the concern if using a freestanding wall load. This also answers the second part...
What is the proper wind load for a freestanding equipment screenwall in the field of a roof (ie outside edge zones 2 or 3)? Parapet pressure does not seem pertinent as the wall is a substantial distance from the edge of the structure. The freestanding wall load methodology seems somewhat...
On behalf of colleague, Scott Hampton: This question relates to ASCE7-22 (the information related to the question below is displayed the same in ASCE7-16, except the Section, figure, and equation numbers have changed). This question relates to Table 30.10-1 (Steps to Determine C&C Wind Loads for...
On behalf of colleague, Scott Hampton. These question relates to ASCE7-22 (the information related to the question below is displayed the same in ASCE7-16, except the Section, figure, and equation numbers have changed). These question relates to Section 30.10.2 (External Walls of Isolated...