Round Containments do not need support legs, so no ground penetration.

Standard diameter ranges:
15 feet to 60 feet (3 foot increments)
Standard wall heights:
22 inch, 36 inch and 44 inch
Capacity:
1,771 gal (42 barrels) to 64,746 gal (1,542 barrels)

Larger round dimensions and special configuration are available.