No person shall occupy as owner-occupant or let to another for occupancy or use any premises which does not comply with the requirements of this article.
The owner of any premises, unless otherwise specified, shall provide and maintain such premises in compliance with the requirements of this article.
Every occupant of a premises shall keep all supplied fixtures and facilities therein in a clean and sanitary condition and shall be responsible for the exercise of reasonable care in the proper use and operation thereof.
All common areas or rooms shall be provided with sufficient and adequate lighting and ventilation so as not to endanger the health, safety and welfare of any person using such space.
Every habitable room shall have at least one window or skylight facing directly to the outdoors, provided that, if connected to a room or area used seasonally (e.g. porch), then adequate daylight must be possible through this interconnection; have a minimum total window area, measured between stops, at least 12 1/2% of the floor area of such room; whenever walls or other portions of structures face a window of any such room and such light-obstruction structures are located less than three feet from the window and extend to a level above that of the ceiling of the room, such a window shall not be deemed to face directly to the outdoors and shall not be included as contributing to the required minimum total window area; and whenever the only window in a room is a skylight-type window in the top of such room, the total window area of such skylight shall equal at least 15% of the total floor area of such room.
Every bathroom and water closet compartment and nonhabitable room used for food preparation shall comply with the light standards for habitable rooms contained in this code, except that no window or skylight shall be required in such rooms if they are equipped with a ventilation system in working condition which is approved by the Director of Health.
Every public hall and stairway in every multiple dwelling shall be adequately lighted by natural or artificial light at all times, so as to provide in all parts thereof at least 10 footcandles of light at the tread of floor level. Every public hall and stairway in structures containing not more than two dwelling units may be supplied with conveniently located light switches controlling an adequate lighting system which may be turned on when needed instead of full-time lighting.
Every habitable room shall have at least one window or skylight facing directly outdoors which can easily be opened or closed or such other device as will adequately ventilate the room, provided that, if a habitable room is connected to a room or area used seasonally, then adequate ventilation must be possible through this interconnection. The total of openable window area in every habitable room shall be equal to at least 45% of the minimum window area size or minimum skylight-type window size as required in § 105-35, except where there is supplied some other device affording adequate ventilation and approved by the Director of Health.
Interior climate-control facilities (heating, cooling and/or humidity) shall be maintained and operated in a continuous manner and in accordance with the design capacity of the installed equipment. When such equipment is inoperative because of power or mechanical failure, alternative provisions for fresh air ventilation of each dwelling or dwelling unit shall be provided.
Every bathroom and water closet compartment and nonhabitable room used for food preparation shall comply with the ventilation standards for habitable rooms contained in this section, except that no window or skylight shall be required in such rooms if they are equipped with a ventilation system in working condition which is approved by the Director of Health.
All windows, doors and openings shall be kept in good repair and workable condition and shall be easily opened and closed by the occupants of the premises.
Every window, exterior door and hatchway or similar device shall be so constructed as to exclude insects during that portion of the year when there is a need for protection against mosquitoes, flies and other flying insects.
No broken, cracked or missing window panes shall be allowed.
Every doorway used for ventilation and opening directly from a dwelling unit to outside space shall have supplied properly fitting screens having at least 16 mesh and shall have a safe closing device.
Every window or other device with openings to outdoor space shall be supplied with screens fixed to the frame, except that such screens shall not be required in rooms deemed by the Director of Health to be located high enough as to be free from such insects and/or in rooms located in areas of the Town of West Hartford which are deemed by the Director of Health to have so few insects as to render screens unnecessary.
All openings in the exterior walls, foundations, basements, ground or first floors and roofs which have a half-inch diameter or more opening shall be rodent- and ratproofed in an approved manner if they are within 48 inches of the existing exterior ground level immediately below such openings or if such opening may be reached by rodents or rats from the ground by climbing unguarded pipes, wires, cornices, stairs, roofs and other items, such as trees or vines, or by burrowing.
All windows located at or near ground level used or intended to be used for ventilation, all other openings located at or near ground level and all exterior doorways which might provide an entry for rodents or rats shall be supplied with adequate screens or such other devices as will effectively prevent the entrance of rats into the premises.
The owner of a dwelling unit shall be responsible for providing and hanging all screens and double or storm doors and windows whenever the same are required under the provisions of this chapter or any rule or regulation adopted pursuant thereto, except where there is a written agreement between the owner and occupant obligating the occupant to do so. In the absence of such an agreement, maintenance or replacement of screens, storm doors and windows, once installed in any one season, becomes the responsibility of the occupant. The occupant's responsibility shall be exclusive to his or her dwelling unit.