Specifications include, but are not limited to:The sole purpose and intent of this Request for Pre-Qualification is to establish a list of pre-qualified vendor(s) for pressure cleaning services for various type surfaces, located throughout Palm Beach County including areas within the Glades. SCOPE OF WORK Work shall include, but not be limited to, proper preparation and pressure cleaning of structures. Rooftops are to be included, if applicable, per project. The successful bidder shall be responsible for proper preparation and pressure cleaning of surfaces to remove stains, mildew, algae, and dirt/grime. Types of surfaces shall include, but not be limited to: Building - any man-made structure used or intended for supporting or sheltering any use or continuous occupancy. Concrete surfaces - walkways, racquet ball courts, concrete bollards, sidewalks, brick paver walkways, curbing, picnic slabs, picnic table/benches, car stops (bumper blocks), and park benches with wooden slats. Asphalt surfaces – roadways and parking areas. Wood surfaces - picnic table/benches, split rail fencing (including rails and posts), and stand alone wooden posts/bollards. The split rail fence is measured by the linear foot, and shall include a thorough cleaning of all sides of rails and posts. Picnic Shelter/Pavilion - to include roof, truss, posts, tie beams, and eaves Waterslide/tower - open and closed or tube type fiberglass slides.