(1) GENERAL.
(a) The installation of interior tank lining
for underground storage tanks shall comply with API 1631 and this
section.
(b) An underground storage
tank that does not meet the structural requirements specified in API 1631 may
not be upgraded or repaired by lining and shall be permanently closed in
accordance with this chapter.
(c)
When lining a tank, an access way for an inspector to enter the tank shall be
installed from the tank interior to finished grade, if not already
provided.
(2) INSPECTION
AND REPORTING REQUIREMENTS FOR TANK LINING.
(a)
General.
1. It is the responsibility of the lining
contractor to communicate with the authorized agent or the department to
establish the time for inspections.
2. The lining contractor shall give the
authorized agent or the department at least 5 days of written notice before
beginning the tank lining or any excavation preliminary to tank
lining.
(b)
Plan
approval. The tank owner is responsible for obtaining plan approval
from the authorized agent or the department in accordance with s.
ATCP 93.100 before
beginning the tank lining or any excavation preliminary to tank
lining.
(c)
Tank integrity
assessment before lining.
1. The
tank-lining contractor shall provide the tank owner and the authorized agent or
the department with a written report of the assessment of the interior surface
and structural condition of the tank before leaving the site and before
installing the lining.
2. The tank
integrity assessment shall include all of the following:
a. A description of the internal wall
condition including any deflection and any defects, rust plugs, holes or leaks,
regardless of size or number.
b. A
description of any repair or other conditioning necessary to prepare the tank
for interior lining.
c. A
description of the degree of compliance with all requirements under API 1631
regarding structural qualification, tank cleaning and other pre-lining
activities.
Note: Section
292.11,
Stats., requires immediate notification of the department of natural resources
in the event of a hazardous substance discharge.
3. If holes or rust plugs are observed during
the visual internal inspection, the tank-lining contractor shall notify the
owner before lining the tank that a tank-system site assessment must be
performed, and that assessment shall be performed in accordance with ss.
ATCP 93.575 to 93.585.
(d)
Authorization before
lining.
1. The authorized agent or
the department shall be at the site before the actual application of the
lining.
2. The application of the
interior lining may proceed only when authorized by the authorized agent or the
department after verifying all of the following:
a. The tank integrity assessment and any
required tank-system site assessment have been completed.
b. An approved set of plans is on the
site.
c. The condition of the tank
has been communicated to the owner.
(dm)
Tank integrity assessment after
lining. After installing the lining, the tank-lining contractor shall
have a tightness test performed on the tank ullage in accordance with s.
ATCP 93.515(10) to assure that all
tank-top connections and openings are liquid- and vapor-tight.
(e)
Completion of forms.
1.
a. The
certified tank system liner shall provide a completed, signed, and notarized
API 1631 Form B inspection affidavit to the tank owner within 10 business days
of completing the lining procedure.
b. The signature on API 1631 Form B shall be
that of the certified tank system liner who conducted the pre-lining tank
integrity assessment and the lining procedure.
2. An underground tank installation
checklist, form TR-WM-138, shall be completed and signed by the certified tank
system liner and the certified tank system inspector.
Note: Form TR-WM-138 - Checklist For
Underground Tank Installation is available from the Bureau of Weights and
Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942,
or from the Bureau's Web site at
https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
Note: See s.
ATCP 93.240, Certifications and Enforcement, for
requirements that certified tank system liners perform or supervise specific
lining-related activities involving underground storage
tanks.
(f)
Submittal of forms. The tank owner shall have all of the
following documents submitted to the department within 15 business days of
completing the lining procedure:
1. The
pre-lining and post-lining tank integrity assessments under pars. (c) and
(e).
2. The completed and signed
API 1631, Form B under par. (e) 1.
3. The tank installation checklist under par.
(e) 2.
4. A revised tank
registration, form TR-WM-137.
Form TR-WM-137 - Underground
Flammable/Combustible/Hazardous Liquid Storage Tank Registration is available
from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911,
or at telephone (608) 224-4942, or from the Bureau's Web site at
https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
