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r. s Using the Dynamic Friction Tester, at a speed of 40 mph (DFT40) , and has a minimum DFT40 value of 40 . 523 -2 .2 Performance Requirements : QPL approval will be contingent on a field service test demonstrating that the imprinted texture and coating materials meet the following performance measures at the end of three years from opening to traffic : 1 . The imprint must maintain a depth of 50 % of the original installed depth and width . 2 . Wearing of the material coating shall not expose more than 15 % of the underlying surface area. 3 . Friction performance of patterned/textured pavement materials must meet or exceed one of the following test method values : (a) FN40R value of 35 in accordance with ASTM E-274 ; or, (b) DFT40 value of 40 in accordance with ASTM E- 1911 The field service test installation shall be within a marked crosswalk on a roadway with an ADT of 8 , 000 to 12 , 000 vehicles per day per lane, approved by the Department. The test installation shall be a minimum six feet wide and extend from pavement edge to pavement edge across all traffic lanes and shoulder pavement at the crosswalk location . The test installation will be tested in accordance with FM 5 - 592 . An 524 CONCRETE DITCH AND SLOPE PAVEMENT . (REV 813 -09) ( 104-09) (740) ARTICLE 524 -2 (PAGE 657) is deleted and the following substituted : 524-2 Materials. Concrete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 347 Preformed Expansion Joint Material and Hot Poured Sealer Section 932 FilterFabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 985 Reinforcing Steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 415 ARTICLE 524 - 9 (PAGE S 658 — 659) is deleted and the following substituted : 524-9 Method of Measurement. 5241m9 . 1 Concrete Ditch and Slope Pavement : The quantities to be paid for Concrete Ditch Pavement and Concrete Slope Pavement will be the plan quantity, in square yards , completed and accepted. Where the plans show headers or cut- off walls at the end or edge of the pavement, the volume of the additional thickness of pavement that constitutes the headers , calculated in accordance with plan dimensions, will be converted into equivalent square yards of standard thickness pavement and included in the quantity to be paid for. No deduction will be made for any areas occupied by manholes , inlets , or other drainage structures or by public utility appurtenances within the pavement area. The square yard quantity includes any ditch blocks with ditch or slope pavement on top . When steel reinforcement is called for in the plans , payment will be included in the square yard item . - 148 - FPID ( S ) : 423186 - 1 - 5 8 -01