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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.
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
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00
New SOP
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