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<br />. <br />.. Page 6 <br /> City of Arden Hills, Minnesota <br /> ABC Project No. MN 1410 <br />. <br />. 2.2 Interior Wet Coatina <br />. 2.2.1 The interior coating above the HWL is in poor <br /> condition, because of age and deterioration and <br />.. should be replaced within 1 to 2 years. See <br /> photos 2 through 7 and 21. <br />. 2.2.2 The interior coating below the HWL is in good to <br />. very good condition and requires only spot <br /> repair at visible coating failures within <br /> 1 to 2 years. See photos 9 through 18 and <br />. 25 through 27. <br />.. 2.2.3 After structural repairs are completed, the <br /> reservoir surfaces should be abrasive blasted <br />. and the coating replaced or spot repaired with a <br /> light-colored polyamide epoxy system, similar to <br />., the Tnemec Series 20 Pota-pox Epoxy. <br />. 2.3 Interior Drv coatina <br />~ 2.3.1 The interior coating on the non-sweating surface <br />. areas is in good condition and requires only <br /> spot repair. After the recommended repairs, <br />. this area should continue to provide service for <br /> an additional 8 to 10 years. <br />~ 2.3.2 The coating on the sweating areas of the <br />.. interior dry (dry well tube, exterior of bowl <br />. <br />