Periodic Maintenance schedule for Plant 3 1000 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

Supply & installation of Inline Filters – Ultrafilters with 5-micron pre-filter, 0.01-micron fine filter, max working pressure 16 bar, flow rate 1000 LPM, oil removal efficiency 99.9999%,

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

PMS to the Compressor side of the Plant by way of P/F of the parts viz Oil 60 ltrs and Oil filter, Air filter element, Oil Fine Seperator , Line Filter Major Service at interval of 4000 hrs or 12 months whichever is earlier. The job includes cost of material, transportation charges, labour charges and taxes.