New Mexico Administrative Code › Title 20 - ENVIRONMENTAL PROTECTION › Chapter 6 - WATER QUALITY › Part 7 - GROUND WATER PROTECTION - SUPPLEMENTAL PERMITTING REQUIREMENTS FOR COPPER MINE FACILITIES › Section 20.6.7.17 - GENERAL ENGINEERING AND SURVEYING REQUIREMENTS

Current through Register Vol. 35, No. 13, July 16, 2024
A.
Practice of engineering.
All
				plans, designs, drawings, reports and specifications required by the copper
				mine rule that require the practice of engineering shall bear the seal and
				signature of a licensed New Mexico professional engineer pursuant to the New
				Mexico Engineering and Surveying Practice Act, Sections
				61-23-1
				through
				61-23-33,
				NMSA 1978, and the rules promulgated under that authority.
B.
Practice of surveying.
All
				plans, drawings and reports required by the copper mine rule that require the
				practice of surveying shall bear the seal and signature of a licensed New
				Mexico professional surveyor pursuant to the New Mexico Engineering and
				Surveying Practice Act, Sections
				61-23-1
				through
				61-23-33,
				NMSA 1978, and the rules promulgated under that authority.
C.
Engineering plans and specifications
				requirements.
The following engineering plans and specifications and
				associated requirements shall be submitted to the department for approval with
				an application for a new, renewed or modified discharge permit, as applicable.
(1)
Liner system plans and
				specifications.
An applicant or permittee proposing or required to
				construct a new or improve an existing liner system required by the copper mine
				rule or an existing discharge permit, including the repair, modification or
				replacement of a liner system, shall include the following elements in all
				liner system plans and specifications submitted to the department.
(a)
Construction plans and
				specifications.
Detailed and complete construction plans and
				specifications and supporting design calculations developed pursuant to this
				section and 20.6.7.18 and 20.6.7. 20 through 20.6.7.26 NMAC shall be submitted
				to the department.
(b)
Liner
				system CQA/CQC.
The construction and installation of all liner systems
				and the repair, modification or replacement of a liner system shall be
				conducted in accordance with a construction quality assurance/construction
				quality control (CQA/CQC) plan. A CQA/CQC plan shall be included as part of the
				design plans and specifications. The CQA/CQC plan shall specify the
				observations and tests to be used to ensure that construction of the liner
				system meets all design criteria, plans and specifications. All liner system
				testing and evaluation reports for liner construction and installation,
				including modifications and replacements shall be signed and sealed by a
				licensed New Mexico professional engineer with experience in liner system
				construction and installation. The CQA/CQC plan shall include the following
				elements.
(i) the identity of persons
				responsible for overseeing the CQA/CQC program. The person responsible for
				overseeing the CQA/CQC plan shall be a licensed New Mexico professional
				engineer with experience in liner system construction and
				installation;
(ii) an inspection
				protocol;
(iii) identification of
				field and laboratory testing equipment and facilities proposed to be used, and
				calibration methods;
(iv) the
				procedures for observing and testing the liner, subgrade, liner bedding, and
				other liner system construction material;
(v) a protocol for verification of any
				manufacturers' quality control testing and procedures;
(vi) the procedures for reviewing inspection
				test results and laboratory and field sampling test results;
(vii) the actions to be taken to replace or
				repair liner material, subgrade, liner bedding, or other liner system
				construction materials should deficiencies be identified;
(viii) the procedures for seaming synthetic
				liners;
(ix) the reporting
				procedures for all inspections and test data; and
(x) the submission of a CQA/CQC report.
(c)
Management of
				process water, solids and sludge or impacted stormwater during liner system
				improvement.
An applicant or permittee proposing or required to improve
				copper mine facility operational units that requires the use of a liner system,
				including re-lining or replacement of an existing liner system, shall submit a
				plan for managing process water, solids and sludges, or impacted stormwater
				during preparation and construction of the improvement. The plan shall be
				submitted as part of the design plans and specifications. The plan shall
				include the following minimum elements.
(i) a
				plan for handling and disposal of process water, solids and sludges and
				impacted stormwater discharges during improvement to the impoundment;
(ii) a plan for removal and disposal of
				process water, solids and sludges or impacted stormwater within the liner
				system prior to beginning improvement to the liner system;
(iii) a plan and schedule for implementation
				of the project; and
(iv) if the
				plan proposes a temporary location for the discharge of process water, solids
				and sludge, or impacted stormwater not authorized by the effective discharge
				permit, the applicant or permittee shall request temporary permission to
				discharge from the department pursuant to Subsection B of Section 20.6.2.3106
				NMAC.
(d)
Dam
				safety.
An applicant or permittee proposing or required to construct a
				tailings impoundment shall submit documentation of compliance with the
				requirements of the dam safety bureau of the state engineer pursuant to Section
				72-5-32
				NMSA 1978, and rules promulgated under that authority, unless exempt by law
				from such requirements.