Preventative Maintenance and DOT Inspections: All parts, materials and supplies required (including but not limited to, oil, grease, filters, other fluids and lubricants, bulbs, etc.) for Preventative Maintenance of vehicles and trailers shall be provided by the Vendor at no additional costs to the Department. The Vendor shall perform Inspections and Preventative Maintenance as follows: 1. Perform yearly DOT Inspections as scheduled by the Department. 2. Trailer Preventative Maintenance Inspections/Repairs Preventative Maintenance and service shall be performed once in a six (6) month period (or the manufacturer’s recommended intervals if more frequently and approved in writing by the Department). Trailers not scheduled for service during the month shall be visually inspected for any fluid leaks, tire tread depth, lights and general use problems that may occur between inspections at no additional charge to the Department. Six (6) Month Trailer Inspection and Preventative Maintenance shall include: • Check for air leaks • Tire Pressure and Wear • Lights and reflectors • Doors • Brake linings and adjustments • Lubricate complete vehicle • Wheel grease