Specifications include, but are not limited to: 1. The Contractor shall furnish and install replacement oil piping, fittings and gauges. The electric motors, pumps and controllers shall not be modified or replaced. 2. The Contractor shall be responsible for the replacement of all lubrication piping, and equipment from the existing pump to all the exterior connections on the gearboxes. a. The internal piping and fittings shall not be replaced or modified. b. The existing gearbox oil shall be completely drained from the reducer prior to the replacement of all piping and fittings. The Contractor then will filter the oil, sample it, provide sample results to VDOT and store it until the replacement is complete. The filtered oil only then may be reinstalled in the gearbox. 3. For the purposes of bidding, it shall be assumed that the following equipment shall be procured and installed. The Contractor shall confirm that the procured replacement parts are adequate to conduct the repairs stated above.