To construct a 60 square foot addition to the nook location at the rear of an existing 2,207 square foot single family dwelling. All work per the red-lined approved plans, attached plan review report, and all other reviewing agencies approvals. This home is located in the floodplain and the elevation certificate is attached to the plans. A Letter of map revision based on fill determination document (Removal) Case No. 03-10-0488X is also attached to the plans. The Building Official has determined carbon monoxide poisoning, smoke and fire related hazards to be specific hazards associated with buildings and/or structures without smoke and carbon monoxide detection and alarm systems that do not meet current building codes. Carbon monoxide poisoning, smoke and fire related hazards are substantial hazards because the likelihood of death and or injury from said hazards increases in buildings and/or structures. The existing portions of buildings or structures with non-existent or inadequate smoke and carbon monoxide detection and alarm systems that do not meet current building codes must be retrofitted to meet current code requirements. **SRZ**