Specifications include, but are not limited to: 1.1.1 Prepping the Parking Lot – 1.1.1.1 The parking lot surface must be cleaned immediately prior to placing the prim coat or seal coat so that is free of dust, dirt, grease, vegetation, oil or any type of objectionable surface film. 1.1.1.2 If vegetation is in cracks, then it must be removed to a minimum depth of half an inch (.5”). 1.1.1.3 If extensive vegetation exists, the area can be treated with a concentrated solution of a water-based herbicide. 1.1.1.4 Cracks that are a minimum of half an inch (.5”) must be filled with crack filler. 1.1.1.5 The pavement surface must be swept. 1.1.1.6 The pavement surface must be flushed with water, but no water will be left standing. 1.1.1.7 Oil or Grease spots that have penetrated the asphalt pavement must be removed with a detergent and water then treated with an oil spot primer. 1.1.2 Sealing the Parking Lot 1.1.2.1 Sealer must not be applied if the ambient air or base surface temperature is less than forty (40) degrees. 1.1.2.2 Sealer must not be applied if the surface is wet or frozen. 1.1.2.3 All materials used must be in accordance with WVDOH standards. 1.1.2.4 The sealer must be applied with equipment that can apply the required coating rates evenly over the area to provide a uniformly coated surface. 1.1.2.5 Spray units must use positive displacement pumps on the pumping distribution system. 1.1.2.6 Squeegee or brush application must be restricted to places not accessible to the mechanized equipment or to accommodate neat trim work. 1.1.2.7 Squeegee or brushes must be properly adjusted and, in a condition, so that the application of seal coat is without streaks. 1.1.3 Striping the Parking lot 1.1.3.1 Must use a chlorinated-rubber base parking lot marking paint. 1.1.3.1.1 Must be Alkyd-resin type, ready-mixed complying with AASHTO M 248, Type I in color white and blue for handicapped parking symbols. 1.1.3.1.2 Must be factory-mixed quick-drying, and non-bleeding. 1.1.3.2 The layout, colors, and placement must be approved by the agency before applying pavement marking paint. 1.1.3.3 Paint must be applied with mechanical equipment that will produce uniform straight edge. 1.1.3.4 Paint must be applied per the manufacturers recommendations to provide a minimum of 12 to 15 mils dry thickness. 1.1.3.5 The Contractor must field verify all dimensions and field conditions before the start of work and any discrepancies must be brought to the attention of the Agency. 1.1.3.6 Painting must not be performed when the weather is excessively windy, dusty, or foggy. 1.1.3.7 Any spillage or soiling must be cleaned. 1.1.3.8 The Contractor must keep the area clean and free of debris while the work is being performed and take precautions to protect the condition of all existing elements that are not part of the scope of work from damages.
