N.M. Admin. Code § 20.5.120.2022

Current through Register Vol. 35, No. 23, December 10, 2024

Section 20.5.120.2022 - IMPLEMENTATION OF FINAL REMEDIATION PLAN

A. Owners and operators shall implement the final remediation plan after department approval in accordance with a timeline approved by the department or the timeline set forth in Subsection E of 20.5.120.2000 NMAC. Owners and operators shall employ a professional engineer to ensure conformance with the final remediation plan, including excavation, installation, commissioning and operation of the system.

B. When the remediation plan includes mechanical or electrical equipment, engineered fill, pinning, shoring or slope stability analysis:

(1) a professional engineer shall supervise conformance with the final remediation plan including installation, commissioning and operation of the system;

(2) owners and operators shall operate the remediation system continuously until the remediation is terminated pursuant to this part, unless otherwise approved by the department; and

(3) owners and operators shall report to the department all interruptions of the operation of the remediation system greater than 72 hours.

C. Owners and operators shall obtain written approval from the department prior to implementing any change to the department-approved engineering design.

D. Following implementation of the final remediation plan, the owner or operator shall submit an "as-built" report signed and sealed by the project professional engineer including:

(1) any deviations from the drawings and specifications included in the final remediation plan;

(2) a tabulation of pertinent data including but not limited to flow rates, pressures, temperatures, contaminant concentrations and groundwater elevations at start-up, and boring logs and well completion diagrams; and

(3) information and documentation purchased major remediation equipment including, but not limited to, serial number, model and manufacturer, description, warranty information, operating manuals, maintenance requirements and purchase price.

N.M. Admin. Code § 20.5.120.2022

Adopted by New Mexico Register, Volume XXIX, Issue 14, July 24, 2018, eff. 7/24/2018