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been painted for their original condition and installation, and the coatings appear to be holding <br /> up well. Small areas of cracking or flaking appear on the surface of the AST but do not present <br /> a current hazard. All nipples on top of the tank appear to be adequately sealed via welds, with <br /> little or no danger of water migrating into the system and causing corrosion incidents. . While, <br /> with most listed horizontal steel Aboveground Storage Tanks, there was a slight expectation of <br /> some moisture during the test operations, it was found that there was no water or any other liquid <br /> present in the interstice. As a result, it appears that fugitive moisture incidents have been <br /> adequately addressed and prevented. Moisture issues are recommended to be continually <br /> addressed as part of ongoing preventative maintenance, that the interstice on this AST be <br /> checked regularly for any detectable problems. <br /> Tank Foundation and Supports <br /> The foundation support legs of the <br /> Aboveground Storage Tank were closely <br /> inspected, and found to be free of any <br /> damage or defect. There were no cracks at <br /> the foundations which would appear to lead <br /> to affecting the integrity of the tank support <br /> A system. While there are some minor cracks <br /> in the pad, as is always to be expected with <br /> concrete structures, the cracks appears slight <br /> surface cracks and do not indicate any affect <br /> z. on the stability of the support system, nor of <br /> further � <br /> spreading <br /> beyond its current length. As is always the case, where there is a . <br /> crack in the underlying pad, any cracks which emanate or connect <br /> to the earthquake anchor bolts, should be monitored and repaired if <br /> they were to continue to expand, or appear to affect the stability of <br /> the system. If the support system should be impinged by further <br /> �s <br /> cracking or by a seismic event, then an engineered professional <br /> repair should be undertaken to repair or replace any condition <br /> which would affect the ability of the Tank to maintain their <br /> integrity or their stability. It is the normal condition of <br /> concrete slabs that they develop small hairline cracks over <br /> time as the ground beneath them is constantly in danger of <br /> " shifting in a seismic zone, which is applicable to Tracy, CA. <br /> As such, a high degree of attention should be paid to any <br /> ` changes in the support system of the Tank. A weakened <br /> '? pad experiencing a seismic event could cause the tank or <br /> Tank to shift from their foundational supports and as a <br /> result, experience a spill or a leak. It is noted herein that <br /> i`. there does not appear to be such a danger in the immediate <br /> condition of the pad and supports, but only that slight cracks in concrete bear visual monitoring <br /> over time and if required, affirmative action undertaken to maintain integrity of the tank systems. <br /> The earthquake anchor bolts are properly placed for maximum restraint in a seismic event, show <br />