871 Page 526871 ASPHALT CONCRETE CRACK SEALANT
871.1REQUIREMENTS
A.Asphalt Concrete Crack Sealant Type IV: The sealant will conform to the requirements of ASTM D6690 Type IV. The sealant material will not weigh more than 9.35 pounds per gallon. Only products that meet the above requirements and have performed satisfactorily based on Department analysis may be used. A listing of acceptable products meeting ASTM D6690 Type IV requirements may be obtained from the Department's Approved Products List. Products on the Department’s Approved Products List for joint sealant for asphalt over long jointed concrete pavement may also be used. The blocking medium will be an inert, compressible material which is compatible with the sealant. B.Asphalt Concrete Crack Sealant Type IV Modified: The sealant will conform to the requirements of ASTM D6690 Type IV except as modified below. The sealant material will not weigh more than 9.75 pounds per gallon. Resilience % will be between 30 – 60%. Only products that meet the above requirements and have performed satisfactorily based on Department analysis may be used. A listing of acceptable products meeting ASTM D6690 Type IV Modified requirements may be obtained from the Department's Approved Products List. Products on the Department’s Approved Products List for joint sealant for asphalt over long jointed concrete pavement may also be used. The blocking medium will be an inert, compressible material which is compatible with the sealant. 879 Page 527879 BLOTTING SAND
879.1REQUIREMENTS
A.Sand for Prime: Sand for prime will meet the following requirements: Percent passing #40 sieve .................................................................................... 0-60 Percent passing #200 sieve ............................................................................... 0-20.0 Plasticity Index ................................................................................................ 12 Max. B.Sand for Flush Seal and Sand for Fog Seal: Sand for flush seal and sand for fog seal will meet the following requirements: Percent passing #8 sieve ...................................................................................... 0-95 Percent passing #40 sieve .................................................................................... 0-70 Percent passing #200 sieve ............................................................................... 0-12.0 Plasticity Index .................................................................................................. 6 Max. The sand will be free from dirt and vegetation. Crushing is not required. Blow sand is not considered satisfactory material. C.Sampling and Testing: Sampling .......................................................................................................... SD 201 Gradation ......................................................................................................... SD 202 Plasticity Index ................................................................................................. SD 207