Demo only interior demo and remove all flooring drywall doors and windowskitchen cabinet-- haul and removal all debris

Interior demolition: category ii structural alterations non-structural alterations interior work 9 sq ft - install 2x4 wall studs @ 16" on center. Replace drywall on walls and ceilings. Replace 18 int doors - same size and location. New flooring and kitchen cabinets. R21 insulation on ext walls r49 insulation below roof. Replace 3 wide steps treads 12" and risers 7 1 2" on existing stringers. Exterior work - replace 23 windows - same size and location. As per sketch code.