DCF 57.40(2)(c)2.2. If a child 6 years of age or over occupies a room on the second floor, a window may be used as an exit if the window can be opened from the inside without the use of tools, is at least 22 inches in the smallest dimension, is at least 5 square feet in area, and has a lower sill not more than 4 feet from the floor and a window escape ladder for use in an emergency evacuation. DCF 57.40(2)(c)3.3. If a child under 6 years of age occupies a room on the second floor, the second exit may be an additional stairway to the first floor or grade or an exit to a balcony that is not more than 15 feet above grade with a floor that measures at least 3 feet by 3 feet and a rail that is not more than 36 inches high. DCF 57.40(2)(d)(d) Habitable rooms above the second floor shall have at least 2 exits that are both stairways to the second floor or to grade or that are to one stairway to the second floor and one stairway to grade. Windows and balconies may not be designated as exits. DCF 57.40(2)(e)(e) Habitable rooms below grade shall have at least 2 exits. At least one exit shall be a stairway to grade or a door that is below grade level that leads to grade level by an outdoor stairway. The second exit may be either a stairway leading to a first floor above grade or a window that meets the requirements in par. (c) 2. DCF 57.40(3)(a)2.2. If the group home’s water supply is from a private well, the well shall be approved by the department of natural resources. Water samples from an approved well shall be tested at least annually for lead and bacteria by a laboratory certified under ch. ATCP 77. If the group home population includes children under 6 years old or expectant mothers, the water shall be tested as required in s. DCF 57.36 (8) or 57.37 (8), as applicable. DCF 57.40(3)(b)(b) Sewage. The group home shall have an adequate sewage disposal system. If the group home has a private sewage disposal system, the system shall be approved by the appropriate governmental approving authority. DCF 57.40(3)(c)(c) Water temperature. The group home shall be equipped with a water heater sufficient to meet the needs of all residents. The hot water delivered to the group home’s sinks, tubs, and showers shall not exceed 110° Fahrenheit. DCF 57.40(4)(a)(a) The group home shall be equipped with a heating system that is capable of maintaining a temperature of at least 68° Fahrenheit. DCF 57.40(4)(b)(b) All rooms, including bedrooms must be provided with adequate heating, cooling and ventilation. DCF 57.40(4)(c)(c) If the temperature inside the group home exceeds 80° Fahrenheit during summer months, the licensee shall provide for air circulation with fans or by other means. DCF 57.40(4)(d)(d) The heating unit shall be maintained in a safe condition as determined by an annual inspection by an individual professionally qualified to conduct such inspections. DCF 57.40(4)(f)(f) Bath and toilet rooms shall have either a window that opens or be equipped with exhaust ventilation to the outside. DCF 57.40(5)(5) Lighting. All habitable rooms shall have electric lighting sufficient to meet the needs of the group home and its residents. DCF 57.40(6)(6) Space requirements. There shall be at least 200 square feet of living space for each resident of the home. “Living space” includes any area that is used by a resident in daily living and excludes unfinished basement, attic, attached garage or similar areas, not usually occupied by a resident in daily living. The licensee shall ensure compliance with all of the following space requirements: DCF 57.40(6)(a)2.2. A group home serving only males or only females shall have at least one full bathroom that contains a toilet, sink, and a tub or shower available for use by residents. A group home initially licensed on or after January 1, 2006, serving males and females shall have 2 full bathrooms that are gender specific, each containing a toilet, sink and a tub or shower, unless the department grants an exception under s. DCF 57.02. DCF 57.40(6)(a)3.3. A bathroom that can be accessed only through a room used as a bedroom may not be counted as being available for use by residents who do not occupy that bedroom. DCF 57.40(6)(a)4.4. If the total number of residents and children of residents over the age of 2 years exceeds 10, there shall be 2 full bathrooms. DCF 57.40(6)(b)1.1. Each bedroom shall have a door that allows for privacy and a window that allows natural light to enter. DCF 57.40(6)(b)2.2. At least one wall of each room used as a bedroom by a resident shall be an outside wall. DCF 57.40(6)(b)3.3. For group homes licensed before January 1, 2006, the floor space of each bedroom shall be as follows: DCF 57.40(6)(b)3.a.a. A bedroom that is used by one resident shall have at least 55 square feet of floor space.