Call Us Toll Free
 1-800-897-7150

News: StormCon 2006 Denver, Colorado

Manufactured Concrete Products Convention, February 22 Orlando, Florida 2007

StormCon 2007 Phoenix, Arizona

Trademark Granted by US Patent and Trademark Office - 2008

Download Case Projects in pdf format:

Case 1 Plan (sub-surface)

Case 1 Details

Case 2 Plan (sub-surface)

Case 2 Details

Case 3 Plan (surface)

Case 3 Details

Case 4 Plan (sub-surface)

Case 4 Details

Send mail to hardycross@aol.com with questions or comments about this web site.
Copyright © 2005 Extention Basin Systems, Inc. Extention Basin is Trademark protected
Last modified: 01/31/10