To construct a 2537 sq. ft. two story addition at rear of existing single family dwelling per approved plans, all engineering/red-lining and attached requirement lists. Work to consist of 1397 sq. ft. of new basement area, 714 sq. ft. of new construction on 1st level and 444 sq. ft. of new construction on 2nd level. Hard-wired smoke detectors will be required at new construction areas where required. Battery powered smoke detectors will be required in all exisiting bedrooms and hallways leading to same. DJO. This is not approved as a duplex and may not have two kitchens. Basemement approved for wetbar only, may not have 220 outlet for stove. ajb p&z.