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Semi Annual STP Checklists
| TE-H.2.11.3A |
| STP Checklists |
| 1-Jan-23 |
| | | Month of | |
| REFER TO LUBRICATION & FILTRATION SCHEDULE | | | | |
| | Headworks Building | | |
| | | Date / | Initial |
| Fine Bar Screen (If out of service, Initial Here)______ | | | | |
| Lubricate small primary gearbox | | / | |
| Lubricate large secondary gearbox | | / | |
| Grease reducer and lubricate seals on compactor | | | |
| oil reducer | | / | |
| Check for wear on flights for compacting screen | | / | |
| Check all parts for damage | | / | |
| Touch-up any nicks in paint | | / | |
| Grease bearings on bar screen reducer | | / | |
| Change oil on screening compactor reducer | | / | |
| Check drain plug for metal chips | | / | |
| Remove and clean the breather plug to ensure | | | |
| that the passage is clear | | / | |
| Check and clean the gear drive | | / | |
| Check for oil leaks | | / | |
| Check oil for proper level. (Do not over fill) | | / | |
| Rotary Bar Screen | | |
| Check the conveyor screw for wear. Repair or replace as needed. | / |
| Clean the spray nozzles. | / |
| Clean the entire screen including the compaction zone. | / |
| Visually inspect all components for wear- replace as needed | / |
| Check Grit Channel diffusers | / |
| Fermentation Basin Mixers | |
| Inspect motor casing for leakage | | / |
| Inspect propeller, lip seal & wear bushing for wear | | / |
| Tighten bolts & check for wear on guide rails | | / |
| | Filter Press Building | |
| Sludge Pumps | | | |
| Check all bolts for tightness | | / |
| Check belt for wear and proper tension | | / |
| Clarifiers | | | |
| Check grease in Windsmith reducer. | | / |
| Visually inspect chain. | | / |
| Check torque overload | | / |
| Inspect all bolts | | / |
| Tighten and replace any bolts | | / |
| Check connection between the cage and main gear | | / |
| Check connections between the arms and cage | | / |
| Inspect bearing housing and routing weir | | / |
| | | Month of |
| | U.V. Building | |
| Refrigerated Air Dryer | | |
| Inspect entire assembly for loose connections | / |
| Inspect refrigeration circuit for signs of oil and refrigerant leakage | / |
| UV Disinfection System | | |
| Inject new wiper cleaning solution (See 10.7.1 in O & M Manual) | / |
| Inspect Wiper Seals for wear and replace if necessary | / |
| Lubricate Wiper Drive Assemblies (See 10.7.2.5 in O & M Manual) | / |
| | JA Building | |
| Blowers | | | |
| Replace Blower Air Filters | | / |
Golf Course Pumps (Bldg. 3867)
| Perform maintenance based upon hours and O&M recommendations | / |
| To be done in April and October and completed by the end of | | |
| the fourth week of the month. | | |
Supervisor Signature
&"Arial,Bold"&14Semi Annual Maintenance STP
Page &P of &N &8FORM.4.62.032.G March 23, 2022
Annual STP Checklists
| TE-H.2.11.3A |
| STP Checklists |
| 1-Jan-23 |
| | | Month of | |
| REFER TO LUBRICATION & FILTRATION SCHEDULE | | | | |
| | Headworks Building | | |
| | | Date / | Initial |
| Grit Blower | | | | |
| Visually inspect equipment | | / | |
| Torque all bolts and anchor bolts | | / | |
| Traveling Bridge Grease and Grit Collection | | | | |
| Retighten any loose pipe fittings | | / | |
| Inspect all wall anchors and brackets for tightness | | / | |
| Tighten and replace any loose or broken brackets | | | |
| and anchor bolts | | / | |
| | U.V. Building | |
| Sand Filter Airlift | | | |
| Remove airlift and clean screen | | / |
| Replace O-ring from inlet nut chamber | | / |
| Inspect tailshafts- replace as needed | | / |
| UV Disinfection System | | |
| Replace Hydraulic filter on Wiper System (replace fluid every 2 years) | / |
| Inspect hydraulic hoses and replace as necessary | / |
| Pressure wash Effluent channels | / |
| Screw Compressor | | |
| Perform maintenance as directed by onboard maintenance computer | / |
EQ & Fermentation Basins
| Rotork Actuators | | |
| Check actuator to valve bolts for tightness | / |
| Ensure valve stems & drive nuts are clean & lubricated | / |
| If rarely operated, exercise valve | / |
| Check enclosure for damage | / |
| Replace battery every 3 years (next - 2024) | / |
| EQ Pumps | | |
| Test moisture detector (test button on panel) | / |
| Remove pump and inspect impeller & volute | / |
| Inspect outer shaft seal | / |
| Check motor for ground leakage (perform amp draw) | / |
| To be done in December and completed by the end of the month. | | |
| Supervisor Signature | |
Qtrly STP Checklist
| TE-H.2.11.3A |
| STP Checklists |
| 1-Jan-23 |
| | Month of | |
| REFER TO LUBRICATION & FILTRATION SCHEDULE | | | |
| Headworks Building | | |
| | Date / Initial | Initial |
| Fine Bar Screen (If out of service, Initial Here)_______ | | |
| Check motor cleanliness | / |
| Check that the interior and exterior of the motor is free | |
| of dirt, oil, grease, and water | / |
| Check all electrical connections to be sure they are tight | / |
| Clean all grease fittings | / |
| Check grease in motor bearings | / |
| Grease both take-up bearings | / |
| Grease rake arm bearings | / |
| Grease tail shaft bearings | / |
| Grease pivot block guides | / |
| Grease wiper bearings | / |
| Inspect the main chain | / |
| Exercise gate valves | / |
| Rotary Bar Screen | | |
| Check oil level in the gearbox | / |
| Check all bolted connections for tightness | / |
| Check conveyor wear bars for wear. Replace as required | / |
| Lift screen out of channel and remove grit from channel floor | / |
| Grit Blowers | | |
| Replace air filters | / |
| Grit Classifier | | |
| Check and flush Cutlass bearing | / |
| Travelling Bridge | | | |
| Clean motor | | / |
| Hoist | | | |
| Check for loose bolts, screws, and nuts | | / |
| Inspect entire length of chain for wear | | / |
| | E - Basin | |
| Exercise gate valves | / |
| Check transducer and desiccant. Replace desiccant as needed. | / |
| Aerators | | |
| Remove any grease and rag buildup | / |
| UV Disinfection System | | | |
| Fill wiper collars with ActiClean | | / |
| Check power cable strain relief for tightness (all 20 modules) | | / |
| | (See Figure 63, Page 108 in O & M Manual) | |
| Use garden hose to remove debris from modules in active channel | | / |
| | Jet Aeration Building | |
| WAS Pumps | | | |
| Check belt tension & alignment | | / |
| Clean housing and check grease in motor bearings | | / |
| Positive Displacement Blowers | | |
| Open all panels- clean and inspect blowers and piping | / |
| | Digester Control Building | |
| Blowers | | | |
| Replace air filters | | / |
| Digesters | | |
| Check transducer and desiccant. Replace desiccant as needed. | / |
| Lift Station #3 (Bldg. 3918) | | |
| Inspect packing - adjust as needed | / |
| To be done during the second and third week of March, June, September and December | | |
| Supervisor Signature | | |
Monthly STP Checklists
| TE-H.2.11.3A |
| STP Checklists |
| 1-Jan-23 |
| Month of |
| REFER TO LUBRICATION & FILTRATION SCHEDULE | |
| | Headworks Building | | |
| Ventilation Exhaust Fans | | | Date / | Initial |
| Check for operation of fans and louvers | | / | |
| Clean fans & louvers of dirt and debris | | / | |
| Rotary Bar Screen | | |
| Check the operation of water solenoid valves | / |
| Check the flow from the spray bars. Clean if necessary. | / |
| Hose off accumulated debris at bottom of screen rack | / |
| Fine Bar Screen (If not in service, Initial Here)________ | | |
| Check main chain for excessive slack and adjust | |
| take-up as necessary | / |
| Check bolts and setscrews for looseness | / |
| Hose off accumulated debris at bottom of screen rack | / |
| Check screen rake assembly for proper engagement | |
| into bar rack | / |
| Check all chains and bearings | / |
| Check to make sure headshaft and tailshaft are parallel | / |
| Repair or replace any worn or damaged parts | / |
| Screen and Compactor Drive Reducers | | |
| Check oil | / |
| Check for leaks | / |
| Check for any unusual noises | / |
| Traveling Bridge Grease and Grit Collections | | |
| Check all handrails, making sure they are tight | / |
| Check bridge decking, making sure all grating clips | |
| are in place | / |
| Remove any debris from the bridge-operating platform | / |
| Remove any debris from the area in front of the wheels | |
| and guide rollers | / |
| Check the grease channel skimmer for proper contact | |
| with the basin walls and discharge area | / |
| Adjust wiper blades when required | / |
| Check hose clamps for tightness. | / |
| Check oil levels in all gearboxes and gear motors | / |
| Check wire trolleys for wear and proper operation | / |
| Blowers | | |
| Inspect all valves | / |
| | Month of |
| Filter Press Building | |
| Check compressor & dryer during operation | | / |
| Check belt wear and tension on sludge pumps | | / |
| Check chain or belt tension on gear motors and gear reducers | | / |
| Check mounting bolt torque on gear motors and on | | |
| gear reducers | | / |
| Keep drive free of dust and dirt | | / |
| Check grease in gear drive to belt | | / |
| Clarifiers | |
| Check & record motor torque reading | | / |
| Check condition of toe guards & handrails | | / |
| Jet Aeration | |
| Check condition of toe guards & handrails in building | | / |
| Blowers | | | |
| Check for loose bolts and re-tighten | | / |
| Inspect entire system for leaks | | / |
| | U.V. Building | |
| U.V. Disinfection system | | | |
| Inspect seals on ballast enclosures (all 20 modules) | | / |
| Initiate wipe sequence and verify hydraulic pressure is 180-200 psi | | / |
| | (See 10.6.2 in O & M Manual) | |
| Refrigerated Air Dryer | | | |
| Blow out entire unit | | / |
| Blow condensor coils | | / |
| Inspect refrigeration compressor for overheating | | / |
| Screw Compressors | | | |
| Drain oil from upper reservoir | | / |
| Sand Filters | | | |
| Clean sand and sludge from reject channel & top of airlifts | | / |
| Clean or replace air line filter | | / |
Digester Control Building
| Pumps | | |
| Flush pump jackets with garden hoses in & out | / |
| To be done monthly and completed by the end of the second |
| week of the month. |
Supervisor Signature
Weekly STP Checklists
| TE-H.2.11.3A |
| STP Checklists |
| 1-Jan-23 |
| Headworks Building | | Week of |
| | Date / Initial |
| Fine Bar Screen (If Not in Sevice, Initial Here) _______ | | |
| Check oil level on all gear reducers | / |
| Clean rake and compactor assembly of grease and rag buildup | / |
| Check screen wiper assembly for proper operation | |
| - should run smoothly | / |
| Check screen rake assembly for proper operation | |
| - check for loose bolts | / |
| Check screen tailshaft assembly sprockets | / |
| Check for proper chain engagement | / |
| Check all set screws for proper tightness | / |
| Rotary Bar Screen | | |
| Check the brushes | / |
| Check for leaks around gearbox and all bolted connections. | |
| Tighten or repair as needed. | / |
| Ensure there is no blockage in the compaction zone. | |
| Remove if detected | / |
| Ensure there is no blockage in the discharge pipe. | |
| Remove if detected | / |
| Ensure the return hose is open and drains into the channel. | |
| Remove the blockage if detected. | / |
| Screen & Compactor Drive Reducers | | |
| Check for oil leaks | / |
| Check for any unusual noises | / |
| Grit Blower | | |
| Check the blower oil vent caps or plugs | / |
| Visually inspect for oil leaks | / |
| Keep motor cleaned and free from dirt and grease | / |
| Check air filter - replace if necessary | / |
| Traveling Bridge and Grit Collection | | |
| Check drive chain tension | / |
| Grit Classifier | | |
| Check oil level in gear reducer | / |
| Hose off accumulated build-up in classifier | / |
| | Filter Press Building | |
| Sludge Pumps | | | |
| Check oil level in gearboxes | | / |
| Check for vibration or excessive noise while in operation | | / |
| Fermentation Basin | Week of |
| Check oil level on all mixers (must be off) | | / |
| Check for loss of lubricant in Rotork actuators | | / |
| Clarifiers | |
| Check oil level for worm gear - draw off condensation | | / |
| Check oil level for main spur gear - draw off condensation | | / |
| Check oil level for Windsmith speed reducer | | / |
| Check surface skimmer wiper and hinges for proper operation | | / |
| Tighten all loose connections | | / |
| | Jet Aeration Building | |
| Blowers | | | |
| Check exhaust fan for proper operation | | / |
| RAS Pumps | | |
| Check for vibration or excessive noise | / |
| WAS Pumps | | |
| Check oil level in gearboxes | / |
| Check for vibration or excessive noise | / |
| All Pumps VFD's | | |
| Remove & wash screens. Clean vents & dust off debris | / |
| Oxy Ditch | | | |
| Double the air flow to each aeration zone for 20 minutes to remove | | |
| | sludge from diffusers | / |
| Open moisture purge ball valve from each zone to remove condensate | | / |
| Pull & clean DO probes | | / |
| Eyewash Stations &Shower | | |
| Flush units until clean water appears, mop up area when done | / |
| Run shower until warm/tepid water appears | / |
| | U.V. Building | |
| Screw Compressor | | | |
| Service as directed by onboard maintenance computer | | / |
| Visually inspect condition of fan belt | | / |
| Clean oil cooler and lower filtration pads with air hose | | / |
| Check oil level | | / |
| Refrigerated Air Dryer | | | |
| Inspect filters, change as necessary | | / |
| Non-Pot Pressure Tanks | | | |
| Check air pressure in hydro-tanks | | |
| | Record readings East________ West________ | / |
| UV Disinfection System | | | Week of |
| Clean level sensors of algae & sludge buildup | | / |
| Check hydraulic fluid level (See 10.6.5 in O & M Manual) | | / |
| Clean UVT Sensor (Refer to STP SOP) | | / |
| Digester Control Building | |
| Check operation of control system | / |
| Keep interior and exterior of motor and controls free from | |
| moisture, oil and dirt (Shop Vac.) | / |
| Inspect handrail and grating hardware | / |
| Note condition of handrails, toe plate, and walkway | |
| surfaces for possible loose or weak sections | / |
| Keep the drive service platform and walkway areas clean | |
| and free of oil and debris | / |
| Digester Pumps | | |
| Check pump for excessive noise or vibration | / |
| Flush pump jackets through high point drain | / |
| Blowers | | |
| Check oil level | / |
| Spin relief cap on weighted pressure reliefs | / |
| Clean all external parts of compressor and driver | / |
| Check differential gauges on blowers (should be in Green) | / |
| Golf Course Pump Station (Bldg. 3867) | |
| Check pump operation (run in hand if necessary) | / |
| Check for cleanliness | / |
| Lift Stations | |
| Lift Station #1 (UV) | | |
| Check Alarm float | / |
| Check transducer and dessicant (replace dessicant if needed) | / |
| Lift Station #2 (Belt Press) | | |
| Check Alarm float | / |
| Check transducer and dessicant (replace dessicant if needed) | / |
| Lift Station #3 (Non Pot) | | |
| Check for leaks | / |
Supervisor Signature
Department of the Army