How are 3 year aged SR values determined for concrete if not available by the manufacturer? And can regular concrete be used which has about a .28 SR value roughly if their is a cleaning program established.
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Trista Brown
Project DirectorWSP USA
456 thumbs up
December 14, 2015 - 5:20 pm
Hi Brian, the Reference Guide states that if you can't confirm the 3-year SR value you can use materials with an initial SR value of at least 0.33 at installation. This info is in the Requirements section on page 197.