Current through Register Vol. 35, No. 18, September 24, 2024
A. The department may perform site
inspections prior to making a decision on a permit application or variance
petition, during construction or modification of the system and after
completion of the system. The department may require test holes to be excavated
and documentation to be provided for purposes of determining soil types, depth
of soil and water table depths. In areas where soil conditions are well
characterized and groundwater depth is documented, test holes may be waived.
The department may collect samples of soil, liquid waste and water, including
water from wells, to determine compliance with 20.7.3 NMAC.
B. Upon granting the permit or variance
application, if the department determines an inspection is necessary, the
department shall indicate the point in the construction process where the first
construction inspection is to be scheduled or in accordance with Subsection A
of this section.
(1) The person doing the work
authorized by the permit shall notify the department, orally or in writing, to
schedule an inspection time, a minimum of two working days prior to the
inspection. The department may assess a re-inspection fee if the work is not
ready for inspection at the time of the scheduled inspection. In the event the
inspection is not conducted within one hour after the appointed time of
inspection, the installer shall take photographs that accurately identify the
site and features of the installation and proceed with the installation. Copies
of such photographs shall be submitted to the department.
(2) All homeowner installed systems shall be
inspected by the department.
(3) If
an inspection results in the issuance of a notice of non-approval, a
re-inspection shall be required. The person shall notify the department as
indicated above.
(4) An installer
specialist doing the work authorized by the permit shall notify the department,
orally or in writing, of the day and time the work will be ready for
inspection. Such notification shall be given at least two working days,
calculated to the hour, prior to the time of the requested inspection. If the
department inspector does not arrive at the site within one hour of the
notified time of completion, the installer specialist shall take digital
photographs of all components of the installation, shall complete an inspection
form provided by the department and may complete the installation. The
installer specialist shall provide electronic copies of the photographs and
inspection form to the department within five working days.
C. System components shall be
properly identified as to manufacturer and shall meet all specifications
specified in 20.7.3 NMAC.
D. The
department may require testing to verify watertight construction and initial
functioning of any liquid waste system.
(1)
Liquid waste treatment units, pump stations or pump chambers shall be
considered watertight by successfully completing one of the following testing
procedures.
(a) Water pressure testing: Seal
the unit, fill with water and let stand for 24 hours. Refill the unit. The unit
is approved if the water level is held for 60 minutes.
(b) Vacuum testing: Seal the unit and apply a
vacuum to two inches (50mm) of mercury. The unit is approved if the vacuum is
held for 60 minutes.
(2)
The department may require a flow test be performed through the system to the
point of effluent disposal. All lines and components shall be watertight.
Capacities, required air space and fittings shall meet the requirements of
20.7.3 NMAC.
(3) The department may
require operational testing of advanced treatment components to verify initial
functioning.
