Form 7.6 Operational Checklist: DISINFECTION UNIT ULTRAVIOLET LIGHT (DUUL)

Form 7.6 Operational Checklist: DISINFECTION UNIT ULTRAVIOLET LIGHT (DUUL)

<p>Form 7.6 Operational Checklist: DISINFECTION UNIT – ULTRAVIOLET LIGHT (DUUL) Service provided on: Date: Time: Reference #: Service provided by: Company: Employee: Date of last service: By:  You  Other: Date of last inspection: ______NOTES</p><p>1. Power supply 1.  Acceptable a. Dosing method:  Pressure dosed  Gravity fed  Unacceptable b. Manufacturer:______Model #:______c. Power supplied to the unit? Yes No d. UV lamp ‘ON’? Yes No e. Electrical system is free of corrosion/damage? Yes No f. Ballast replaced during this visit? Yes No g. Last replacement date: ____ / ____ / ___ 2. UV controls a. Unit equipped with a lamp intensity sensor? Yes No 2.  Acceptable b. If so, what was intensity reading:  Unacceptable c. Alarm present? Yes No d. Alarm operating properly? Yes No 3. Contact chamber, lamp, and sleeve conditions 3.  Acceptable a. Evidence of damage or leakage? Yes No  Unacceptable b. Contact chamber cleaned/flushed of solids? Yes No c. Type of protective sleeve:  Quartz  Teflon  Other: ______d. Protective sleeve free of buildup? Yes No e. Protective sleeve cleaned? Yes No f. Protective sleeve replaced during this visit? Yes No g. Date last replaced: ____ / ____ / ___ h. UV lamp replaced during this visit? Yes No i. Date last replaced: ____ / ____ / ___ 4. Influent characteristics 4.  Acceptable a. Turbidity: NTU  Unacceptable b. Flow rate: gpm c. Indicate wastewater characteristics that may compromise treatment:</p><p>5.  Acceptable 5. Control panel: N.A.______ Unacceptable a. Controls operating properly? Yes No b. Is enclosure watertight? Yes No c. Alarm test switch operating properly? Yes No d. At time of inspection, control switch was set to: N.A.______“Hand/Manual”__ “Auto”______e. If auto, setting: Time on:______(min) Time off:______(min) 6.  Acceptable 6. Housing unit: Location:______ Unacceptable a. Appears in good condition? Yes No b. Leaks/Cracks present? Yes No c. Excessive dust present? Yes No 7. Manufacturer’s required maintenance performed? Yes No (If ‘Yes’, attach Manufacturers Inspection form to this report, if supplied) 8. Lab samples collected for monitoring? Yes No Types of analysis: </p>

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