Okla. Admin. Code § 252:515-13-33

Current through Vol. 42, No. 8, January 2, 2025

Section 252:515-13-33 - Drainage and protective layer

(a)Design standards. The drainage and protective layer shall consist of a minimum of 24 inches of material that will maintain a liquid head of less than or equal to 12 inches above, and protect, the underlying FML.

(b)Geonet. If a geonet is used:

(1) the hydraulic conductivity of a geonet shall be 1 x 10^-1 cm/sec or greater;

(2) the geonet shall be placed on the bottom and side slopes of the disposal cell, directly on top of the geomembrane;

(3) geotextile fabric shall be placed directly on the geonet; and

(4) the geonet shall be tied into a removal pipe system designed to meet the standards for collection pipes.

Okla. Admin. Code § 252:515-13-33

Added at 20 Ok Reg 1151, eff 6-1-03