All pre-eng steel buildings will have z-purlins (16ga usually) at 3'6 from top of slab, & at no more than 48" o.c. thereafter with a c-channel over the top of doors/windows (also usually the same ga).
refer to the attached sheet for an example...if the building does not have them already - you...
We regularly specify and design with precast/pre-stressed piles (square or round as well as hollow fiberglass composite piles for coastal projects (also referred to as crawl-thru/drive-thru basement or elevated structures).
The pre-stressed piling can: transition to a pre-stressed...
