Pavement Maintenance Guidelines for General Aviation Airport Management (2016)

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25 C H A P T E R 4 The Field Guide for the Airport Pavement Maintenance Recommendation Tool that accompanies this guidebook provides pavement treatment options based on an airport’s classification, climate zone, and distress type/severity. It serves as a paper version of the online tool. The field guide provides guidance on choosing airport classification and climate zone. It also summarizes the most common distress types. For a comprehensive list and pictures of distress types, see Appendix A (asphalt) and Appendix B (concrete). After determining your airport’s parameters, you can flip through the tables to find an accept- able and recommended pavement treatment. The tables are color coded for easier reference. Table 6 shows an example of one such treatment table. The pavement type (asphalt) and airport classification (basic) are in the left column, which applies to the whole table. The top row contains the climate zone (wet – no freeze) and the distress type (cracking). How to Use the Field Guide B as ic Wet – No Freeze: Cracking Distress Acceptable Recommended Few long crack, low severity Do nothing or rejuvenator Crack seal/fill Few long crack, med severity Do nothing or rejuvenator Crack seal/fill Few long crack, high severity AC overlay/mill + overlay Patch/recon area Many long crack, low severity Do nothing Crack seal/fill Many long crack, med severity AC overlay/mill + overlay Crack seal/fill A sp ha lt Many long crack, high severity Crack seal/fill AC overlay/mill + overlay Trans crack, 50 ft apart, low severity Do nothing Crack seal/fill Trans crack, 50 ft apart, med severity Do nothing Crack seal/fill Trans crack, 50 ft apart, high severity AC overlay/mill + overlay Crack seal/fill Trans crack, 20 ft apart, low severity Do nothing Crack seal/fill Trans crack, 20 ft apart, med severity Chip/cape seal Crack seal/fill Trans crack, 20 ft apart, high severity AC overlay/mill + overlay Crack seal/fill Block crack, low severity Do nothing Crack seal/fill Block crack, med severity AC overlay/mill + overlay Crack seal/fill Block crack, high severity Chip/cape seal AC overlay/mill + overlay Table 6. Treatment table for basic wet – no freeze – asphalt cracking.