The work of this section includes the surface preparation and painting of all surfaces related to the storage tank(s). Surface Preparation: Power wash the entire exterior surface using 3,500 PSI with a rotating turbo nozzle to remove all loose paint, loose rust, dirt, scale and foreign matter. Great Lakes Laboratories Extra Muscle Prepaint Cleaner or approved similar may be used help remove all the existing contaminants. Fill all unwelded seams, gaps and other surface irregularities that cannot be filled with the coating system with modified polyamine epoxy applied as needed to “fill”(performance equal to Tnemec Series 215 Surfacing Epoxy). The surface must be clean and dry before painting. SSPC-SP11 Power Tool Cleaning to Bare Metal. Spot prime as needed with Polyamide Epoxy applied at 4.0 – 6.0 dry mils. (performance equal to Tnemec Series 27 TyPoxy-57GR). The surface shall be clean and dry before painting.
