Requirements for foundation plans for residential single-family addition construction projects
Foundation plan requirements
Items to be included:
- Interior and exterior footing size, reinforcement, minimum concrete strength in psi, lap splice
- Slab thickness, minimum concrete strength in psi, vapor barrier, clean compacted fill under foundation or slab, soil termite treatment notation
- Column pad sizes and reinforcement
- For the foundation design of residential Intermodal Shipping Containers, view the ISC Sufficiency Guidelines.