Utah Admin. Code R315-264-19 - Construction Quality Assurance Program
(a) CQA program.
(1) A construction quality assurance (CQA)
program is required for all surface impoundment, waste pile, and landfill units
that are required to comply with Subsections
R315-264-221(c)
and (d), 264-251 (c) and (d), and 264-301 (c)
and (d). The program shall ensure that the constructed unit meets or exceeds
all design criteria and specifications in the permit. The program shall be
developed and implemented under the direction of a CQA officer who is a
registered professional engineer.
(2) The CQA program shall address the
following physical components, where applicable:
(i) Foundations;
(ii) Dikes;
(iii) Low-permeability soil liners;
(iv) Geomembranes, flexible
membrane liners;
(v) Leachate
collection and removal systems and leak detection systems; and
(vi) Final cover systems.
(b) Written CQA plan.
The owner or operator of units subject to the CQA program under Subsection
R315-264-19(a) shall develop and implement a written CQA plan. The plan shall
identify steps that will be used to monitor and document the quality of
materials and the condition and manner of their installation. The CQA plan
shall include:
(1) Identification of
applicable units, and a description of how they will be constructed.
(2) Identification of key personnel in the
development and implementation of the CQA plan, and CQA officer qualifications.
(3) A description of inspection
and sampling activities for all unit components identified in Subsection
R315-264-19(a)(2), including observations and tests that will be used before,
during, and after construction to ensure that the construction materials and
the installed unit components meet the design specifications. The description
shall cover: Sampling size and locations; frequency of testing; data evaluation
procedures; acceptance and rejection criteria for construction materials; plans
for implementing corrective measures; and data or other information to be
recorded and retained in the operating record under Sections
R315-264-73.
(c) Contents of
program.
(1) The CQA program shall include
observations, inspections, tests, and measurements sufficient to ensure:
(i) Structural stability and integrity of all
components of the unit identified in Subsection R315-264-19(a)(2);
(ii) Proper construction of all components of
the liners, leachate collection and removal system, leak detection system, and
final cover system, according to permit specifications and good engineering
practices, and proper installation of all components, e.g., pipes, according to
design specifications;
(iii)
Conformity of all materials used with design and other material specifications
under Sections
R315-264-221,
264-251, and 264-301.
(2) The CQA program shall include test fills
for compacted soil liners, using the same compaction methods as in the full
scale unit, to ensure that the liners are constructed to meet the hydraulic
conductivity requirements of Subsections
R315-264-221(c)(1)(i)(B),
264-251(c)(1)(i)(B), and 264-301(c)(1)(i)(B) in the field. Compliance with the
hydraulic conductivity requirements shall be verified by using in-situ testing
on the constructed test fill. The Director may accept an alternative
demonstration, in lieu of a test fill, where data are sufficient to show that a
constructed soil liner will meet the hydraulic conductivity requirements of
Subsections
R315-264-221(c)(1)(i)(B),
264-251(c)(1)(i)(B), and 264-301(c)(1)(i)(B) in the field.
(d) Certification. Waste shall not
be received in a unit subject to Section R315-26419 until the owner or operator
has submitted to the Director by certified mail or hand delivery a
certification signed by the CQA officer that the approved CQA plan has been
successfully carried out and that the unit meets the requirements of
Subsections
R315-264-221(c)
or (d), 264-251 (c) or (d), or 264-301 (c) or
(d); and the procedure in Subsection
R315-270-30(l)(2)(ii)
has been completed. Documentation supporting the CQA officer's certification
shall be furnished to the Director upon request.
Notes
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