A demonstration on the features and benefits of cable-tool drilling is being presented Aug. 7 by the Illinois Association of Groundwater Professionals. Hosting the event is Prairie State Water Systems in Maple Park, Ill.

Drilling experts Stevie Liberg and Jeffrey Tyrrell will demonstrate and discuss:

• mechanics of cable-tool machinery;
  
• pouring a mandrill;
  
• driving casing with a cable tool;
  
• screen sizing;
  
• setting screen with a cable tool;
  
• grouting with a cable tool;
  
• well development; and
  
• well placement on lot with septic system.

Get all the details by telephoning 800-992-2209.