2.2.3.3 Application of Bituminous Tack Coat Material Comparison Unless otherwise indicated in the plans or provisions, the tack coat shall be applied uniformly and at a rate that will provide a residual asphalt rate on the prepared surface as specified in the following table, as based on pavement type or condition and type of bituminous material. Table 2.2.3.3-1 Residual Asphalt Rate (gal/yd2) Illinois Michigan Wisconsin Agency California DOT Missouri DOT Minnesota DOT DOT DOT DOT 455.3.2.1 Spec 39-2.01C(3)(f) 406.05 407.4.2 2357.3.D (2) and and RS1/RS2 Surface (7:3) Modified Emulsion Diluted Diluted binder Type QS1/CQS1 MC-250 Undiluted Undiluted QS1h/CQS1h 20% Diluted 50% CSS1/CSS1h, SS1/SS1h and Polymer Asphaltic Asphalt CRS1/CRS2, New 0.0285 0.0320 0.0335 Asphalt 0.02 0.03 0.02 0.027 0.0285 0.0275 - - - Surfaces 0.0400 0.0400 0.0470 Existing 0.0460 0.0520 0.0605 Asphalt or 0.05 - 0.15 0.025 0.03 0.04 0.03 0.0460 0.0460 - - - Concrete Application - 0.0570 0.0600 0.0740 Surfaces Rate 0.035 0.054 Milled 0.0400 0.0400 0.0605 Asphalt or 0.05 0.06 0.04 0.0570 0.0595 - - - Concrete 0.0630 0.0520 0.0740 Surfaces NOTE: Residual asphalt rate for Missouri DOT and Minnesota DOT are computed based on the target application rate provided.
2.2.3.3 Application of Bituminous Tack Coat Material Comparison Unless otherwise indicated in the plans or provisions, the tack coat shall be applied uniformly and at a rate that will provide a residual asphalt rate on the prepared surface as specified in the following table, as based on pavement type or condition and type of bituminous material. Table 2.2.3.3-1 Residual Asphalt Rate (gal/yd2) Agency California DOT Illinois DOT Michigan DOT Missouri DOT Minnesota DOT Wisconsin DOT Spec 39-2.01C(3)(f) 406.05 407.4.2 2357.3.D 455.3.2.1 (2) Surface Type CSS1/CSS1h, SS1/SS1h and QS1h/CQS1h CRS1/CRS2, RS1/RS2 and QS1/CQS1 Asphalt binder and Polymer Modified Asphaltic Emulsion Undiluted 20% Diluted Undiluted Diluted (7:3) MC-250 50% Diluted New Asphalt Surfaces 0.02 0.03 0.02 0.027 0.05 - 0.15 Application Rate 0.0285 0.0275 0.0285 - 0.0400 0.0320 - 0.0400 0.0335 - 0.0470 0.025 - 0.035 Existing Asphalt or Concrete Surfaces 0.03 0.04 0.03 0.054 0.0460 0.0460 0.0460 - 0.0570 0.0520 - 0.0600 0.0605 - 0.0740 Milled Asphalt or Concrete Surfaces 0.05 0.06 0.04 0.0570 0.0595 0.0400 - 0.0630 0.0400 - 0.0520 0.0605 - 0.0740 NOTE: Residual asphalt rate for Missouri DOT and Minnesota DOT are computed based on the target application rate provided.
Tack%20Coat%20(Example%20of%20a%20tech%20transfer)%20-%20Draft%20Jan%202017.docx