He stared at the filename. Portable. That meant no installation. No registry edits. Just unzip and run. A ghost copy of professional-grade slab analysis software.
For two weeks, it worked perfectly. He modeled the 12-inch slab, defined the post-tensioning tendons, applied live loads. The analysis ran in under four minutes. The punching shear ratios came out beautiful—0.89. Compliant. CSI SAFE 12.01 Portable.rar
Structural integrity check. He laughed nervously. “It’s a program, not a bridge.” He stared at the filename