When reviewing Cold Formed Metal Framing (CFMF) shop drawings, always review each page to identify notes that are from the CFMF Engineer identifying coordination items or items of concern.
When we have CFMF and Masonry, we must make sure that we coordinate the masonry requirements per building code MSJC 530.1 with the CFMF shop drawings in order not to forget about important stud placement requirements, prior to the sheathing and/or air barrier installation.
Most window attachment calculations assume 16ga material to attach to, such as the header, top track, or sill of an opening. We need to review this information with the CFMF Contractor and the Window Contractor to confirm assumptions.
When we install Cold Formed Metal Framing (CFMF) in a window condition, (ribbon windows for example) where the framing members are hanging off the roof or floor and the adjacent jamb is resting on the foundation, we have a differential movement condition, where the wall above the window is moving with the floor or the roof and the adjacent jamb is not moving at all.
Steel grinding, cutting, chopping, & torching are common activities on the job site. When we have sheathing, air barriers, insulation, and flashing installed, these need to be considered finished components on the building and treated as such.
When reviewing Design Development or Construction Drawings, we should be making sure that the Architect has given the skin proper construction tolerance when placing the materials…