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Tank number of each tank within area
<br /> Available containment volume
<br /> Calculate net available volume of containment in gallons, accounting for contour of land, slope of dike walls,
<br /> piping, tanks, buildings, and other obstructions within area. A secondary containment area must be able to
<br /> contain at least 100 percent of the design capacity of the largest tank in the secondary containment area plus
<br /> displacement from additional tanks within the containment area, with an additional ten percent capacity where
<br /> secondary containment areas are exposed to precipitation.
<br /> Volume calculation method
<br /> M =manual measurements
<br /> S=survey showing contour and elevation
<br /> Give date of most recent survey or measurement
<br /> Attach calculations to the application(new facilities or after major modification)
<br /> Construction materials
<br /> Identify primary materials used for containment area construction. If dike walls and basin floor are different,
<br /> describe each.Attach construction specifications and drawings(new facilities only).
<br /> SL=synthetic liner(identify material)
<br /> CB=concrete block
<br /> CP=poured concrete
<br /> CC=coated concrete
<br /> ST=steel
<br /> NS =native soil
<br /> CL=engineered liner using imported clay or bentonite
<br /> SA=permeabi�ity of native soil reduced by means of clay amendment
<br /> G=geotextile-bentonite mat
<br /> Permeability(new and expanding facilities only)(native soil,soil amendment,and clay liners only)
<br /> Express permeability as hydraulic conductivity to water in cm/sec. Attach post-construction permeability test
<br /> reports.
<br /> Area# Tank#'s Volume Calculation method Construction Materials Permeabilit
<br /> VIII. Piping
<br /> Piping subject to AST major facility permitting includes any piping of two inches or greater inside diameter, located either
<br /> aboveground or underground, used to convey a substance to, from, or between any regulated tank(see Minn. R. 7001.4205,
<br /> 7151.1200, and 7151.1300).
<br /> A. Aboveground piping
<br /> For aboveground piping at the facility, describe in general terms the Iocation, fabrication (steel, plastic, other), and any
<br /> release prevention, detection and containment safeguards and procedures such as visual inspection, pipe coating and
<br /> wrapping, double-walled piping, and leak testing. If there is no such piping, indicate"none".
<br /> B. Short-run underground piping
<br /> Short-run underground piping includes dike penetrations, roadbed crossings, and other line segments that are less than
<br /> 50 feet in length. For short-run underground piping at the facility, describe in general terms the location,fabrication
<br /> (steel, plastic, other)and any release prevention, detection and containment safeguards and procedures such as visual
<br /> inspection, pipe coating and wrapping,double-walled piping, non-corrosive materials, API Standard 570, and leak
<br /> testing. If there is no such piping, indicate"none".
<br /> C. Long-run underground piping
<br /> Long-run underground piping includes any line segments that are 50 feet or greater in length. Identify each segment as
<br /> specified below and describe any release prevention, detection and containment safeguards and procedures used for
<br /> each segment, such as visual inspection, pipe coating and wrapping, double-walled piping, non-corrosive materials,API
<br /> Standard 570, and leak testing. Provide a scale schematic showing the location of the endpoints A and B and identify the
<br /> endpoints below. If there is no such piping, indicate"none".
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<br /> 4/4/07 Page 6 of 8
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