Laserfiche WebLink
<br />..., <br /> <br />. <br /> <br />..., <br /> <br />. <br /> <br />contained in this Specification shall apply regardless of the type of formulation used. The <br />pigment, beads and filler shall be well dispersed in the resin. The material shall be free from <br />all skins, dirt and foreign objects. <br />971-6.4 Physical Requirements: Sample specimens shall be prepared in accordance <br />with ASTM D 4960, 8. <br /> <br />.., <br /> <br />. <br /> <br />..., <br /> <br />. <br /> <br />Procedure shall meet the following requirements: <br /> <br />1"'1 <br />. <br /> <br />Property Irest Method Minimum Maximum <br />Water Absorption ASTM D 570 - 0.5% <br />Softening Point ASTM D 36 1900F [900C] - <br />Low Temperature AASHTO T 250 Pass - <br />Stress Resistance <br />Specific Gravity Water displacement 1.87 2.3 <br />Indentation ASTM D 2240 * 5 30 <br />Resistance Shore Durometer, A2 <br />Impact Resistance ASTM D 256, Method A 1.0 N.m - <br />Flash Point ASTM D 92 4750F [245OC] - <br />*The durometer and panel shall be at 1100F [450C] with a 4.4 Ib [2.0 kg] load applied. <br />Instrument measurement shall be taken after 15 seconds. <br /> <br />., <br /> <br />. <br /> <br />II <br /> <br />. <br /> <br />I' <br /> <br />. <br /> <br />., <br />. <br /> <br />. <br /> <br />971-6.4.1 Set To Bear Traffic Time: When applied at the temperatures and <br />thickness specified by Section 711, the thermoplastic shall set to bear traffic in not more <br />than two minutes. <br />971-6.4.2 Retroreflectivity: The white and yellow pavement markings shall <br />attain an initial retroreflectance of not less than 300 mcd/lx'm2 and not less than 250 <br />mcd/lx.m2, respectively. The retroreflectance of the white and yellow pavement markings <br />at the end of the one year service life shall not be less than 1 50 mcd/lx. m2. <br />971-6.4.3 Durability: Durability is the measured percent of thermoplastic <br />material completely removed from the pavement. The thermoplastic material line loss must <br />not exceed 5.0% at the end of the one year service life. <br />971-6.5 Glass Spheres: Glass spheres shall be Type 1 and meet the requirements of <br />971-2. <br />971-6.6 Sharp Silica Sand: Sharp silica sand used for bike lane symbols and <br />pedestrian crosswalk lines shall meet the following gradation requirements: <br /> <br />" <br /> <br />,.., <br /> <br />. <br /> <br />,.., <br /> <br />. <br /> <br />.., <br /> <br />. <br /> <br />.., <br /> <br />. <br /> <br />Sieve Size % Passing <br />20 [850 11m] 100 <br />50 [300 11m] o to 1 0 <br /> <br />-. <br /> <br />. <br /> <br />...., <br /> <br />971-6.7 Application Properties: The thermoplastic material shall readily apply and <br />adhere to the existing traffic stripe at temperatures as recommended by the manufacturer <br />from equipment approved by the Engineer to produce a line which shall be continuous and <br />uniform in shape having clear and sharp dimensions at a minimum thickness as identified in <br />the plans. No signs of moisture shall be visible on the pavement surface as determined in <br />accordance with the binder manufacturer's recommendations. <br /> <br />. <br /> <br />r-, <br /> <br />. <br /> <br />.., <br /> <br />. <br /> <br />09/09 <br /> <br />01000-193 <br /> <br />03-4122.F <br /> <br />..., <br /> <br />. <br />