130 Neb. Admin. Code, ch. 8, § 003

Current through September 17, 2024

Section 130-8-003

Freeboard is required for all storage structures and is a separate requirement from the minimum design storage capacity above. Freeboard is no less than the required vertical separation from the elevation at which liquid will flow out of the facility down to the required minimum storage capacity. Freeboard varies for different types of facilities as follows:

003.01 For earthen structures such as holding ponds whether using an earthen liner or synthetic liner, 1.5 feet;

003.02 For uncovered vertical walled structures such as concrete or steel tanks, twelve inches; and

003.03 For covered vertical wall structures such as underfloor pits, six inches.

130 Neb. Admin. Code, ch. 8, § 003