Orange County NC Website
Browse       Search
+i l <br />1 <br />Ultxa Shallow Trench Conventional Systems are placed in areas with 24 inches or more of provisionally suitable characteristics and <br />inch soil cap is placed over the trenches. <br />Shallow Trench Conventional Systems are placed in areas with 30 inches or more of provisionally suitable characteristics. <br />Conventional Systems are placed in areas with 36 inches or more of provisionally suitable characteristics. <br />