Full Detailed Drawings Excavation Allowance of $1200. 8"x48" Below Grade Concrete Foundation w/Footing Double 2x6 Pressure Treated Sills 4" Steel Reinforced Concrete Slab 2x4 Wall Construction 16" On Center 2x8 Rafters 16" On Center Double 2x8 Beam w/4x4 Pressure Treated Post 3/8" AC Plywood Ceiling 1/2" CDX Roof Sheathing 25 Year Asphalt Roof Shingles T-111 Wall Sheathing 2-Vinyl Clad Double Hung Windows 1-2-8x6-8 9-Lite Entry Door w/Lock Set 1-9x7 Insulated Steel Overhead Door w/Hardware