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following six issues which should be investigated: <br /> 1. Environmental Issues <br /> 2. Safety Issues <br /> 3. Aesthetic Issues <br /> 4. Economic Issues <br /> 5. Appropriateness of tanks outside the permitted area, especially <br /> in redevelopment areas. <br /> 6. Existing tanks which the City has pertnitted outside the <br /> permitted area. <br /> e. If the City chooses to amend its ordinances to allow tanks outside of <br /> the current area, Minnesota Coaches has also requested a variance <br /> from the State Fire Marshal's office to allow a tank which exceeds <br /> 6,040 gallons. Minnesota Coaches is requesting a 10,000 gallon tank. <br /> 2. ANALYSIS <br /> a. Environmental Issues <br /> The issue here is whether or not an under ground tank.poses more of <br /> an environmental danger than an above ground tank with concern to <br /> leak danger detection and clean up. State and Federal regulations now <br /> require equal design to prevent leaks for both above ground and under <br /> ground tanks. It is staffs conclusion that if a leak should occur, it <br /> would be easier to handle if it occurred above ground rather than <br /> under ground. A beak from an above ground tank would be <br /> immediately visible and would be detected much sooner. This would <br /> result in less leakage and easier dean up than if the leak occurred in <br /> an under ground tank. An unpermeable liner can be placed under an <br /> above ground tank to reduce potential soil/ground water contamination. <br /> Clean up is more difficult because the tank would have to be dug up <br /> to correct the problem. <br /> bo Safety Issues <br /> From a fire safety perspective, are above ground tanks more dangerous <br /> than under ground tanks? If the tank is under ground, it is not <br /> exposed to fire, lightning, tampering, bullets, etc. which above ground <br /> tanks might be. As can be seen from the attached information about <br />