The PH level shall be monitored and maintained at 10 to 12. Rinsing shall be in a two stage booth and ambient temperature fresh water in the second stage. All water shall be removed from sheets and tank components with forced air at ambient temperature. 4.02 Surface Preparation Tank panels shall be steel grit blasted on both sides to the equivalent of an SSPC-10 profile. Anchor profile shall be 1.0 mil minimum. Sand blasting and chemical pickling of panels will not be allowed. Edge preparation: All panel edges to be mechanically beveled and flame coated with 316 stainless steel (at 1.5 mils minimum) prior to glass coating application. Glass/Vitreous Enamel Coating System After edge preparation, cleaning and blasting, all tank panels to be coated with Aqua coating system. AGT 2020™ All glass/vitreous enamel coating systems allowed must meet or exceed AWWA D103 and EN 15282 requirements. Wet enamel slip application allowed only, applied in a controlled environment. The panels will be fired at a minimum 1500° F in strict accordance with quality control procedures. Manufacturer to maintain ISO 9001 manufacturer’s Quality System Certification. Two-fire application required for an average mil thickness of 10-14 mils. 4.04 Inspection The quality system shall be ISO 9001 certified. manufacturer’s All testing performed to meet AWWA D103 and EN 15282 requirements. Coated panels to be inspected for mil thickness (Mikrotest or equal.) All inside sheet surfaces shall be holiday free. A dry volt test using a minimum of 1100 volts is required.
The PH level shall be monitored and maintained at 10 to 12. Rinsing shall be in a two stage booth and ambient temperature fresh water in the second stage. All water shall be removed from sheets and tank components with forced air at ambient temperature. 4.02 Surface Preparation Tank panels shall be steel grit blasted on both sides to the equivalent of an SSPC-10 profile. Anchor profile shall be 1.0 mil minimum. Sand blasting and chemical pickling of panels will not be allowed. Edge preparation: All panel edges to be mechanically beveled and flame coated with 316 stainless steel (at 1.5 mils minimum) prior to glass coating application. Glass/Vitreous Enamel Coating System After edge preparation, cleaning and blasting, all tank panels to be coated with Aqua AGT 2020™ coating system. All glass/vitreous enamel coating systems allowed must meet or exceed AWWA D103 and EN 15282 requirements. Wet enamel slip application allowed only, applied in a controlled environment. The panels will be fired at a minimum 1500° F in strict accordance with manufacturer’s quality control procedures. Manufacturer to maintain ISO 9001 Quality System Certification. Two-fire application required for an average mil thickness of 10-14 mils. 4.04 Inspection The manufacturer’s quality system shall be ISO 9001 certified. All testing performed to meet AWWA D103 and EN 15282 requirements. Coated panels to be inspected for mil thickness (Mikrotest or equal.) All inside sheet surfaces shall be holiday free. A dry volt test using a minimum of 1100 volts is required.
Glass_Coated_Bolted_Steel_Tank_Specifications.docx