The National Association of Women in Construction – St. Louis Chapter will host a discussion of the disparity study and minority participation for the Metropolitan St. Louis Sewer District’s Project Clear 6:30 p.m. Thursday, February 20 at J. Bucks In Clayton, 101 S. Hanley.An MSD spokesperson will discuss this 23-year $4.7 billion initiative. The cost, which includes dinner, is $30. RSVP to Sue Seawright by Monday, February 17 at sues@satelliteco.com.