501A.3.3 Prescriptive Compliance Provisions for NPC 2, NPC 3, NPC 4 or NPC 4D and NPC 5
For NPC 3 and NPC 4 or NPC 4D in SPC 2, SPC 3, SPC 4 or SPC-4D buildings, the adequacy and design of nonstructural component or equipment supports and attachments may extend only to the connection of the component or equipment to the support when the total reaction at the point of support (including the application of Fp) is less than or equal to the following limits:
- 250 pounds for components or equipment attached to light frame walls. For the purposes of this requirement, the sum of the absolute value of all reactions due to component loads on a single stud shall not exceed 250 pounds.
- 1,000 pounds for components or equipment attached to roofs, or walls of reinforced concrete or masonry construction.