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I 1 of mixing the materials at a rate to insure continuous spray operations. With the stencil 2 design, the base coat may be applied with a squeegee. 1 3 4 Stenciled Pavement 5 6 This design requires a base coat of the material to be applied by squeegee or spray on 7 top of asphalt or concrete pavement. Concrete pavement may require shot blasting to 8 roughen the surface to ensure proper bonding. The base coat provides a grout line color 9 plus seals the surface. Once the base coat has cured, apply the specified stencil pattern 10 and spray the top coat. Remove stencil when the topcoat has reached the proper 11 consistency and allow coating to cure. Cure to traffic time is approximately 2 hours at 70 12 degrees. The total cured thickness should be between 1/8" and 3/16". 13 14 The stencils should be a plastic or paper pattern consistent with the design of the 15 crosswalks. I 16 17 Patterned Application 18 19 This design uses a colored or base color coating with a hexagon decorative pattern. 20 Apply the material to the asphalt or concrete pavement using roto-stator spray apparatus. 21 Concrete pavement may require shot blasting to roughen the surface to ensure proper 22 bonding. A smooth or textured surface can be created. A textured surface is achieved by 23 adding aggregate to the mix or distributing a fine aggregate to the surface after 24 application as specified in the plans. Cure to traffic time is approximately 2 hours at 70 25 degrees. The total cured thickness should be between 1/8" and 3/16". 26 27 8-26.3(5) Curing and Opening to Traffic 28 Care shall be taken by the contractor to protect the PCSS surface course from traffic until 29 the area is sufficiently cured. Curing time will vary depending on ambient and surface 30 temperatures. The PCSS shall not be opened to traffic until it has reached sufficient 31 compressive strength that the surface will not be damaged by vehicular traffic and the 32 area has been approved for opening by a representative of the manufacturer, the 33 installer, or the Engineer. 34 35 8-26.4 Measurement 36 37 Polymer cement surfacing with hexagon pattern for green colored bicycle lanes will be 38 measured by the square foot. 39 40 8-26.5 Payment 41 42 "Polymer cement surfacing with hexagon pattern for green colored bicycle lanes", per 43 square foot 44 The unit Contract price per square foot for Polymer cement surfacing with hexagon 45 pattern for green colored bicycle lanes shall be full pay for all costs incurred to perform 46 the Work in this Specification. 48 48 49 (..,<..) 50 1111 FLEMING BICYCLE CORRIDOR 80 PW 3767 November 15, 2022