Interior demolition of non-bearing elements in a space up to 5,0 square feet (464. 5 square meters)

Single family residence interior renovation of cellar, first, and second floors. New 2 story + cellar addition at rear of existing house. Demolition of existing non-bearing interior walls, fixtures, finishes, floors, etc. New interior walls w new insulation along exterior perimeter on cellar & second fl levels. New interior floors, walls & room layouts, ceiling, doors, finishes, and fixtures on cellar and 2nd floors. New exterior windows and new exterior deck at first fl level. New plumbing, electrical, and mechanical work. New roof shingles. Complete sow totals 2877 sf. No underpinning.