N.M. Admin. Code § 19.8.20.2048

Current through Register Vol. 36, No. 1, January 14, 2025

Section 19.8.20.2048 - COAL PROCESSING WASTE: DAMS AND EMBANKMENTS: SITE PREPARATION

A. All trees, shrubs, grasses and other organic material shall be cleared and grubbed from the site, and all combustibles shall be removed in accordance with the requirements of 19.8.20 NMAC and

B. Surface drainage that may cause erosion to the embankment area or the embankment features, whether during construction or after completion, shall be diverted away from the embankment by diversion ditches that comply with the requirements of Subsections C, D, E, F and G of 19.8.20.2011 NMAC. Adequate outlets for discharge from these diversions shall be in accordance with 19.8.20.2015 NMAC. Diversions that are designed to divert drainage from the upstream area away from the impoundment area or from the surface of the facility that may cause instability or erosion of the impounding structure shall be designed to carry the peak runoff from a 100-year, 6-hour precipitation event. The diversion shall be maintained to prevent blockage, and the discharge shall be in accordance with 19.8.20.2015 NMAC. Sediment control measures shall be provided at the discharge of each diversion ditch before entry into natural watercourses in accordance with 19.8.20.2009 through 2014 NMAC.

11-29-97; 19.8.20.2048 NMAC - Rn, 19 NMAC 8.2.20.2048, 9-29-2000