Periodic Maintenance schedule for Plant 2 750 LPM Oxygen Generation Plant at Associated Hospital GMC Doda

Amount

Supply & installation of Auto Drain Valves – Electronic/Pneumatic type with adjustable discharge timing (0.5 – 10 sec), working pressure 0.2 – 16 bar, voltage 230V AC/24V DC, flow capacity up to 1000 LPM, corrosion-resistant brass/stainless steel body

Replacement Coalescing Filter – Technical Specifications 1. Filtration Efficiency: 0.01 microns (removes oil, water, and solid particulates) 2. Material: Borosilicate or fiberglass media with stainless steel mesh support 3. Operating Pressure: 4 – 16 bar (58 – 232 psi), depending on the system requirement 4. Flow Rate Capacity: 1000 – 5000 LPM (varies based on plant size) 5. Initial Pressure Drop: ≤ 0.1 bar 6. Maximum Oil Carryover: ≤ 0.01 mg/m³ 7. Temperature Range: -20°C to 80°C 8. Service Life: 6 – 12 months (depending on air quality and load) 9. Connection Type: BSP/NPT threaded or flanged, depending on system compatibility

Supply & installation of Control Panel (Including Timer & Sensors) – Microprocessor-based with digital temperature and pressure sensors (±0.5% accuracy), relay-based automation, HMI/LED interface, overload protection, auto drain control integration, input voltage 220V AC

Particulate Filter Technical Specifications 1. Filtration Efficiency: 1 micron (removes fine dust and solid particulates) 2. Material: Pleated synthetic fiber or borosilicate media with stainless steel mesh support 3. Operating Pressure: 4 – 16 bar (58 – 232 psi) 4. Flow Rate Capacity: 750LPM 5. Initial Pressure Drop: ≤ 0.1 bar 6. Maximum Particle Carryover: ≤ 0.1 mg/m³ 7. Temperature Range: -20°C to 80°C 8. Service Life: 6 – 12 months (depends on air quality and usage) 9. Connection Type: BSP/NPT threaded or flanged

Servicing of Air Dryer Unit (Cleaning, Leak Testing, and Calibration) – Includes cleaning of desiccant bed, leak detection test (helium/nitrogen-based), pressure regulator calibration (±2% accuracy), and replacement of faulty seals and gaskets

Testing & Commissioning of the System – Functional testing of auto drains, filter efficiency verification, dew point monitoring (-40°C to -60°C), pressure drop analysis, and real-time performance logging

Transportation & Handling Charges – Covers logistics, handling, and transportation of filters, valves, control panels, and associated equipment to the installation site

Labor Charges for Installation & Testing – Skilled technician charges for removal of defective components, precise installation of new equipment, integration with PSA oxygen plant, and trial run validation