Indiana Administrative Code
Title 329 - SOLID WASTE MANAGEMENT DIVISION
Article 10 - SOLID WASTE LAND DISPOSAL FACILITIES
Rule 17 - Municipal Solid Waste Landfill Liner System; Design, Construction, and CQA/CQC Requirements
Section 17-6 - Geomembrane component of the liner; design requirements
Current through March 20, 2024
Authority: IC 13-14-8-7; IC 13-15-2-1; IC 13-19-3-1
Affected: IC 13-30-2; IC 36-9-30
Sec. 6.
The geomembrane components of the liner systems described in section 2 of this rule must:
(1) consist of a minimum thickness of thirty (30) mils if the geomembrane is a flexible membrane liner, or a minimum thickness of sixty (60) mils if the geomembrane is high density polyethylene (HDPE);
(2) be placed above and in direct contact with the soil liner, which has a slope of not less than two percent (2%) toward the leachate collection pipes;
(3) have the minimum number of field seams necessary in corners and irregularly shaped locations;
(4) have horizontal seams placed no closer to the toe of the slope on the inside of the cell than the distance specified in the approved construction plans; and
(5) meet any additional design specifications necessary to obtain an adequate geomembrane liner as specified in the approved construction plan or as determined by the commissioner.
