Specifications include, but are not limited to: Provide monthly examinations, adjustments, cleaning and lubrication of all machinery, machinery spaces, hoistways and pits. The Contractor shall allocate a minimum of sixteen (16) hours per month dedicated to routine scheduled preventative maintenance work. The Contractor shall maintain all parts of the elevators consisting of, but not limited to, machine, motor, generator, brushes, controller, selector, worm, gears, thrust bearings, brake magnet coil or brake motors, brake shoes, windings, rotating elements, contact coils, resistance for operating and motor circuits, magnet frames, leveling devices, cams, car and hoistway door hangers, tracks and guides, door operating devices and door motors, car lights, push buttons, indicators, hall lanterns and all other elevator signal scheduling, power drives, solid-state and/or computer devices and accessory equipment complete. All work, including regular examinations and repairs in accordance with this Agreement shall be made during the regular business hours of the Building, which hours are as follows: Monday thru Friday 8:00 AM to 4:00 PM. After 4:00 PM and on Saturday, Sunday and Holidays, the Contractor shall provide immediate emergency callback service at no additional cost for all elevators. Contractor must sign in and sign out at the Facility's office in City Hall during regular business hours. In cases of after-hours or weekend calls, Contractor must contact the City’s Manager of Facilities and Energy Department and advise him of scheduled repairs. Log sheet will be used to verify invoices. Failure to sign in and sign out may result in delayed payment of invoices.