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<br />. . <br /> , <br />. <br />. <br />. AEC ENGINEERING ENGINEERS <br />. INSPECTORS <br /> 511 Eleventh Avenue South <br /> Minneapolis, Minnesota 55415 <br />. Phon.: 16121332-8905 <br /> Fax: 16121334-3101 <br /> ELEVATED WATER TANK INSPECTION <br />II No. MN 1410 <br />II Client: City of Arden Hills, MN. <br /> Contact Person: Dan Winkle <br />" Telephone: 612/633-4443 <br /> Tank Description: 500 MG Hydropillar <br /> Tank Location: Fernwood Avenue <br />. Type of coating: Interior: Aluminum Phenolic/Epoxy <br /> Exterior: Alkyd type <br />II Inspected by: Jack R. Kollmer <br /> Date of Inspection: October 6, 1992 <br />.. 1.0 SUMMARY <br />. The tank requires a complete new interior wet coating above <br />it the high water level (HWL) and exterior dry coating within <br /> 1 to 2 years. The interior wet coating below the HWL and <br /> the interior dry coating need spot repair and limited area <br />. replacement within 1 to 2 years. It appears that the tank <br /> was last coated in the interior wet in 1981 (below the HWL) <br />~ and 1968 (above the HWL). In the interior wet area, above <br /> the HWL, the coating is failing apparently due to age and <br />. deterioration. In the wet area below the HWL the coating is <br /> failing in random spots due to poor surface preparation and <br />. application at weld seams and erection scab marks, and <br /> requires spot repair. It is unknown when the interior and <br /> exterior dry areas were last coated, but they appear to be <br />. original coatings. See photos in Appendix A for examples of <br />,. current conditions. <br />. <br /> -,."._~--_..- <br />