Daily Operation & Maintenance Report
Facility Name: Muscat Bay STP
Date: ____________________
Report Prepared By: ____________________
System Capacity: 750 m³/day
Design Flow Rate: 31.25 m³/hr
Initial TMP: 35 kPa
Daily Summary Report
| Metric | Description | Value | Unit |
|---|---|---|---|
Total treated water produced | m³ | ||
Treated Sewage Effluent directed to Irrigation Tank 1 | m³ | ||
Total volume of sewage received at lifting station | m³ | ||
Average COD level in treated effluent | mg/L | ||
Average pH level in treated effluent | - | ||
Average MLSS level in aeration tanks | mg/L | ||
Number of sewage tankers discharged | Tankers | ||
Expected volume from tankers | m³ | ||
Production volume from Membrane/Stream 1 | m³ | ||
Production volume from Membrane/Stream 2 | m³ | ||
Average temperature across treatment process | °C | ||
Average pressure across treatment process | mbar |
Note: The values in this table should be updated daily to reflect the current operational metrics. This summary provides a quick overview of the plant's performance, essential for internal tracking and communication with stakeholders.
Tracking of influent, effluent, and internal process flow rates, alongside recorded flow meter parameters for comprehensive monitoring. Ensure measurements are taken at morning, noon, and evening intervals to accurately monitor system balance and efficiency.
| Parameter | Design Value (m³/hr) | Morning | Noon | Evening | MBR-1 Treated Water | MBR-2 Treated Water | Total Treated Water | TSE-Irrigation |
|---|---|---|---|---|---|---|---|---|
31.25 | ||||||||
31.25 | ||||||||
Variable | ||||||||
- | ||||||||
- |
A list of all operational parameters, with morning, noon, and evening readings where applicable. Fill in OEM specified ranges for each operational parameter to ensure the system operates within optimal conditions.
| S No | Description | OEM Range | Morning | Noon | Evening | Quantity | Unit |
|---|---|---|---|---|---|---|---|
Raw Sewage Inlet Flow | Specify OEM Range | m³/hr | |||||
Aeration Blower Pressure | Specify OEM Range | mbar | |||||
MBR Blower Pressure | Specify OEM Range | mbar | |||||
Aeration DO | Specify OEM Range | ppm | |||||
Raw Sewage pH | Specify OEM Range | - | |||||
Aeration Tank pH | Specify OEM Range | - | |||||
MBR Product pH | Specify OEM Range | - | |||||
MBR Product Pressure - Stream I | Specify OEM Range | mbar | |||||
MBR Product Chlorine | 125 ppm (Verify) | ppm | |||||
MBR Backwash Pressure - Stream I | Specify OEM Range | mbar | |||||
MBR Backwash Pressure - Stream II | Specify OEM Range | mbar | |||||
Permeate Flow - Stream I | Specify OEM Range | m³/hr | |||||
Permeate Flow - Stream II | Specify OEM Range | m³/hr | |||||
Backwash Flow - Stream I | Specify OEM Range | m³/hr | |||||
Backwash Flow - Stream II | Specify OEM Range | m³/hr | |||||
Inlet Chamber Tank Level | Specify OEM Range | metre | |||||
Sludge Holding Tank Level | Specify OEM Range | metre | |||||
TSE Water Tank Level | Specify OEM Range | mg/l | |||||
MLSS in Aeration Tank - Stream I | 8,000-12,000 | mg/l | |||||
MLSS in Aeration Tank - Stream II | 8,000-12,000 | mg/l | |||||
MLSS in MBR Tank - Stream I | 8,000-12,000 | mg/l | |||||
MLSS in MBR Tank - Stream II | 8,000-12,000 | mg/l |
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Note: The OEM Range column should be filled in with the manufacturer's specified operating ranges for each parameter, where applicable. The Morning, Noon, and Evening columns are for the actual readings taken at those times, and the Quantity column reflects the last measured value for the day if there are no specific time-based readings.
Note: The "MBR Product Chlorine" row has been added to emphasize the routine check for chlorine concentration in Maintenance Cleaning (MC), ensuring it aligns with the standard concentration of 125 ppm, as specified by the OEM.
Detailed status for each piece of equipment, including any immediate maintenance actions or observations. Morning, noon, and evening checks have been emphasized for detailed equipment status monitoring.
| S No | Equipment | Description of the Job | Morning Status | Noon Status | Evening Status | Observation/Action |
|---|---|---|---|---|---|---|
Chemical Dosing Pumps | Chemical dosing for water treatment | |||||
SCADA System | System monitoring and control | |||||
Lifting Station Pumps 1 & 2 | Lifting sewage to the treatment plant | |||||
Equalization Transfer Pumps 1, 2 & 3 | Transferring sewage to treatment units | |||||
Anoxic Mixer Stream I & II | Mixing in anoxic tanks | |||||
Permeate Pumps 1, 2 & 3 | Transferring treated water to permeate tank | |||||
RAS Pumps 1, 2 & 3 | Recirculating activated sludge | |||||
TSE Water Transfer Pumps 1 & 3 | Transferring treated sewage effluent water for irrigation | |||||
Fine Screens | Screening of incoming sewage | |||||
Pre-Treatment Units | Preliminary treatment of wastewater | |||||
Odor Control Units (OCU) | Controlling odors during treatment | |||||
Decanter Units | Sludge-water separation | |||||
Aeration Air Blowers 1, 2 & 3 | Providing oxygen to aeration tanks | |||||
MBR Air Blowers 1, 2 & 3 | Supplying air to MBR tanks | |||||
Sludge Dewatering Units | Dewatering of sludge for disposal | |||||
UV Disinfection Units | Disinfecting treated water before discharge | |||||
Sludge Return Pumps | Returning activated sludge to aeration tanks | |||||
Waste Sludge Pumps | Pumping waste sludge to treatment/disposal | |||||
Flow Meters | Measuring flow rates in various process streams | |||||
Pressure Gauges | Monitoring pressure in pipes and equipment | |||||
Level Sensors | Measuring levels in tanks and sumps | |||||
pH Sensors | Monitoring pH levels in various process streams | |||||
DO Sensors | Measuring dissolved oxygen in aeration tanks | |||||
Chlorine Analyzers | Analyzing chlorine concentration in treated water |
Operators are required to fill in the status and observations/actions for each piece of equipment during morning, noon, and evening checks to ensure comprehensive monitoring and timely maintenance actions.
Maintenance activities undertaken, including any unresolved issues and outcomes.
| Activity | Description | Outcome | Issues/Remarks |
|---|---|---|---|
Routine and recovery cleaning of MBR membranes to maintain filtration efficiency | |||
Inspection, maintenance, and repair of all pumps to ensure optimal operation | |||
Aeration and MBR blowers checked and serviced for consistent air supply | |||
Manual and mechanical cleaning of fine screens to prevent clogging | |||
Checking and maintenance of mixers in anoxic and aeration tanks | |||
Inspection and calibration of chemical dosing pumps and systems | |||
Routine calibration of pH, DO, and chlorine sensors for accurate measurements | |||
Updating SCADA system software and checking all control loops for accuracy | |||
Inspection and maintenance of electrical panels and connections | |||
Checking UV lamps, sleeves, and intensity sensors for effective disinfection | |||
Servicing dewatering units to ensure efficient sludge handling | |||
Maintenance of odor control units to ensure effectiveness | |||
Periodic cleaning of all tanks to prevent sludge accumulation and ensure proper operation | |||
Checking pipelines for leaks, clogs, or wear and performing necessary repairs | |||
Inspection and replacement of valves and fittings as needed to prevent leaks | |||
Regular check of safety equipment and emergency response tools | |||
Structural inspection of the facility for any signs of wear or damage |
Immediate concerns or actions taken for decision-making, alongside additional notes on equipment and deviations.
- Challenges:
- Actions Taken:
- Recommendations:
- Vendor Consultation Record: Log any consultations with the OEM or vendor regarding maintenance practices or optimizations.
Summary of the system's operations for the day, including critical actions required and considerations for future operations. Include a note or section for the periodic review of the maintenance plan based on operational insights, performance data, and OEM recommendations.