Description:Existing rear patio will be enclosed for a sunroom (20'11 1/25" x 13'2 1/2"). all construction shall comply w/2013 krc. no change to existing concrete foundation,roof or sq. footage under roof. the floor will be built up to allow this space to match interior floor level & add floorinsulation. new doors & windows will use the existing beam for support. a separate permit will be required for new mini split heating/cooling system & electrical work.this site is in northfield. please call 425-4733 to verify the need for their approval. aw