Specifications include, but are not limited to: Qualified vendors for Professional Design/Build Services for the design and construction of in- -ground skate feature and addition above ground skate features which complement existing features. Minimum bidder qualifications are 5 years’ experience in design and construction of skate parks meeting or exceeding the industry safety for design principles for skaters, skateboards and BMX rider skill development. The design shall be naturally integrated with the surrounding environment and existing features, along with new elements featuring a mix of street and transitional- style terrain designed for all age groups and ability levels. The design of the Addition Project should draw and engage local users to the skatepark and will challenge both beginners and experienced users. The Design/Build Contractor’s responsibilities will include all design and construction services necessary to complete the project. The Design/Build Contractor will be responsible for verifying all existing site improvements, landscaping, disposal of excavated material, including hauling, fencing, and site utilities including water, sewer, storm drain, and electrical service. The proposed project will be completed in two phases.