Specifications include, but are not limited to:. Remove and properly dispose of existing front entrance/porch Build new front entrance/porch to specification Site Work and Concrete Footings Remove and dispose of existing front entrance/porch existing stairs, inclusive of landing, stairs, railings, and roof (metal awning), substructures and related items Excavate or drill surface for two footings to a depth of 48” below finished grade Fill and level excavated area with compacted crushed stone or gravel and level grade after pier installation Finish grade shall slope away from footing and beamin 6” from sill plate Concrete must have psi compression strength of 4000 lbs Minimum of two 12” diameter sono tubes installed with footing forms 48”below ground