Specifications include, but are not limited to: LRV HVAC Training. LRV Stone Safety HVAC Training. Provide and deliver one LRV Stone Safety HVAC training course to DART LRV Maintenance personnel located at 3021 Oak Lane, Dallas Texas. The exact delivery date and time of class will be coordinated with DARTs Maintenance Training representative however, the class will be delivered between January 7, 2014 and September 20, 2014. The DART identification number for this class is LRV.005.M. Course shall be 24 contact hours in length with at least 50% of the instruction being conducted in the shop. Class size shall not exceed: 10 LRV Mechanics. The vendor must possess familiarity of the DART Light Rail System and an in-depth knowledge of the Stone Safety HVAC system used on the DART light rail vehicle. The vender must also demonstrate the ability to transfer knowledge and skills to learners to achieve the following instructional activities and objectives:. General and Specific Safety Precautions and personal protective equipment (PPE) Explain A/C operating principals and equipment function. Demonstrate proper use of test and maintenance equipment to include recovery equipment. Ability to identify all components within the Stone Safety HVAC package Read and Translate Stone Safety HVAC wiring schematic's Perform maintenance function's that include un-loader adjustments and replacement, Removal & Replacement of the Thermo-expansion valve, Removal and Replacement of all Filters - Demonstrate use of vendor supplied test equipment.