A ramp slab on grade bears directly on a mat foundation with a roughened concrete interface surface and a minimum one and a half inch bearing dimension. Continuous number four reinforcing bars match the slab on grade reinforcement spacing. A formed control joint features a tooled joint with continuous number four bars and doweled number four bars at twelve inches on center, drilled and epoxied with a two inch embedment depth.
2' - 0" MIN 1 1/2" 3" MAT FDN RAMP SOG ROUGHEN CONC SURFACE #4 @ SPCG TO MATCH SOG REINF TOOL JT #4 CONT #4 @ 12" DRILL & EPOXY W/ 2" EMBED
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