bituminous concrete - Cortland County

Test After Thin Film Oven Test (TFOT)Penetration @ 77 deg. F., 100g., 5 sec., dmm 30+*Viscosity @ 140 deg. F., P., 1 sec –1 18,000Aging IndexViscosity ATFOT/Viscosity BTFOT 2.5-*ASTM Method, P –160 published 1984PREPARATION OF HOT MODIFIED ASPHALT AGGREGATE MIXTURE:PROPORTION:The proportions of Modified Asphalt and aggregate by weight of mixture shall be such that thebitumen content of the mixture shall be between 7.0 and 8.5 percent. The bitumen content byextraction, within these limits, shall be specified.TEMPERATURE OF MIXTURE:The mixture shall be uniformly coated, shall have satisfactory workability, and shall be produced at atemperature of 190 to 250 degrees F. when using HFMS-2H and 275 and 325 degrees F when usingMVA.SPECIFICATION FOR PRE/TREATED SANDThe pre/treated sand shall meet all requirements for NYSDOT Item 403.15 shim course except forasphalt content.Asphalt Content % 0.5 – 1.5SPECIAL SPECIFICATIONS DEEMED INSERTED IN THESE SPECIFICATIONS AND BIDPROPOSALWhere a “Special Specification” bid item number (i.e. a number that appears thus: 18403.XXXX or15403.XXXX) appears on the bid form, the latest approved NYSDOT Special Specification coveringthat specific bid item shall govern and shall be deemed inserted in this specification and the bidder’sbid proposal.END OF SPECIFICATIONS