- OBJECTIVE
- To lay down a procedure for maintenance of Chilled Water Line
- SCOPE
- This SOP is applicable to Chilled Water Line.
- RESPONSIBILITY
- Technical Supervisor / Engineer
- ACCOUNTABILITY
- Sr.Executive / Manager
- PROCEDURE
- Daily Maintenance
- Give the chemical dosing of 2902 Quantity of 250ml in chilled water make up tank.
- Put a Tick mark in Daily Check Sheet after completion of each activity. If it is not O.K put a cross (X) in Daily Check Sheet indicating the reason in remarks column.
- Immediately inform to the concern superior if it is not O.K (X) and take necessary corrective action as per the advice.
- Any such deviations should be maintained in the Machine History Cord along with necessary corrective action and its compliance there of.
- Weekly Maintenance
- Ensure that chilled water line is free from dust.
- Ensure no leaks from the joints of pipelines
- Ensure the makeup water in the tank should be ¾ of the level.
- Check and ensure the function of gauges and valves.
- Put a Tick mark (Ö ) in Weekly Check Sheet.
- Monthly Maintenance
- Check the hardness of the water with hardness kit, which should be in the limit of 0 to 50 mg/ Litre.
- Check the Total dissolved solids (Limit <1000 mg/Litre), Alkanity (Limit 200-300 mg/Litre) and iron level should be 0.1 – 0.5 mg/litre).
- Put a Tick mark in Monthly Check Sheet.
- Half Yearly Maintenance
- Check the smooth and snag operation of butterfly valve
- Ensure no leaks form slim seal, arrest if it’s leaking.
- Clean pot strainer and vent valves
- Put a Tick mark in Half Yearly Check Sheet.
- Yearly Maintenance
- Calibrate all pressure gauges and temperature gauges
- Ensure chilled water colour should be whitish. If it is reddish colour, remove the total water and fill with fresh demineralised water.
- Review the chemical dosing system after analyzing the treatment report.
- Put a Tick mark (Ö ) in Yearly Check Sheet.
- Forms and Records (Annexures)
- Not Applicable
- Distribution
- Master copy – Quality Assurance
- Controlled copies- Quality Assurance, Production, Quality Control
- History
Date Revision Number Reason for Revision – 00 New SOP