Specifications include, but are not limited to: Mandatory Towing Impound and ARS 28-3511 Vehicle Tows (approx. 4500 tows per year) Group A also requires the Contractor to provide salvage and auction services for unclaimed vehicles. Over the past 5 years, approximately 1300 vehicles per year have been unclaimed and were either auctioned or salvaged. Group A In addition, offerors shall also provide a revenue sharing plan for all mandatory and ARS 28-3511 towed vehicles. The revenue sharing plan may include, but not be limited to, a referral fee for all vehicles towed, an auction/surplus revenue sharing plan, and a per-day storage revenue sharing plan. Offerors shall follow the instructions in the Price Page section to present a revenue sharing plan. Group B: Vehicle Towing and Removal Services (appx. 3500 tows per year) Group C: Towing and Storage for Counter Narcotics Alliance (appx. 300 tows per year) Group D: Towing Services for of City Owned Vehicles and SunTran/SunVan (appx. 1400 tows per year) Group E: Towing and Removal Services for TDOT (Park Tucson and Sun Link) (appx. 60 tows per year) Group F: Heavy Auto Extrication and Stabilization Services (HAESS) for Tucson Fire Department