Specifications include, but are not limited to: 12.1. Keep the equipment properly adjusted and the elevator equipment and machinery spaces clean and in proper operating condition to comply with all requirements of all local codes and ASME A17.1, ASME A17.2, ASME A17.3 and the latest adopted editions of all applicable codes. 12.2. Provide TxDOT with a written proposal on any needed repairs within 48 business hours of discovering the deficiency or when requested by TXDOT. 12.3. Provide, upon request from TxDOT, a quote for modernizations, which shall include but not be limited to: drawings, parts, controls, fabrication work, sheet-metal work, rental equipment, installation services and inspections/permits necessary to bring the elevator up to code and provide reliable elevator service. 12.4. Maintain the specified equipment by regularly and systematically examining, adjusting, lubricating as required, and if conditions warrant, clean, repair or replace the components of the equipment as follows: 12.4.1. Machine worm gear, thrust bearings, drive sheave, shaft bearings, brake assembly and brake coil, contacts, linings, and component parts. 12.4.2. Motor and motor generator, motor windings, rotating elements, commutator, brushes, brush holders, and bearings. 12.4.3. Silicon control rectifiers, reactors, filters, heat sinks, amp traps, transducers and all control components.