Specifications include, but are not limited to: The NDDOT intends to enter into a service contract to provide janitorial services at the NDDOT Flight Operations Building, 1600 sf of office space, located at 2301 University Drive, Hangar 45, Bismarck, ND 58504. (Next to Executive Air Taxi Corp.) Daily cleaning shall be done 1 time a week; the day can be negotiated, preferably not during the hours of 8:30 am to 4:30 pm. The exact hours are to be determined by the contractor. It is permissible to do some work on weekends. No work will be required on legal holidays. Access to the building will be with a combination to the door. Window cleaning is an optional bid item. Access to clean windows will be coordinated with the flight operations crew.