Interior work: category 3 demo (5 sf) of bearing & non-bearing stud walls stairs plaster trim insulation flooring roofing & debris. Demo 2nd floor rear wall. New floor & roof joists as per plans. New interior work: framing (1 255 sf) w stud walls staircase (7-3 4"riser 11"tread 3wide) w hangers drywall trim insulation (r- walls r-49 roof). Doors (14). New exterior work: new 2nd floor rear addition (12x8-9") new 2nd floor rear deck (12x10-6") w staircase to new rooftop deck (12x14) new exterior doors (3) windows (6). Re-pour existing rear concrete slab (21-7"x12)(2 sf). As per plans as per code.

Underpinning of foundation walls as per attached engineers plans and certification. The engineer certification is required at completion of work and with a report of the exact dates of periodic inspections during the construction. Existing basement height = 6-0" proposed height = 8-0". As per drawing and as per code.