- OBJECTIVE:
To lay down a procedure for Cleaning of RO Product Water Storage Tank.
- SCOPE:
This SOP is applicable for Cleaning of RO Product Water Storage Tank at {Company Name} {Company Location}.
- RESPONSIBILITY:
- Technical Assistant – Engineering is responsible to perform the Cleaning activity.
- Executive/ Manager – Engineering is responsible to ensure the compliance as per SOP.
- ACCOUNTABILITY:
Engineering Head
Head Quality Assurance
- PROCEDURE:
- R O product water storage tank:
- DO NOT direct the water jet towards the unit itself, electrical Parts or towards other electrical equipment.
- DO NOT touch the connection plug and / or socket with wet hands.
- Take the cleaned HDPE tank with purified water (100 liters) and connect with jet cleaner pump before starting the cleaning.
- Turn OFF the RO system.
- Remove the top lid and vent filter from top of the tank.
- Open the drain valve of the tank and drain the water from the tank.
- Open the valve of purified water supply line to the pump from HDPE tank.
- Switch on the jet cleaner pump and then apply the high-pressure jet of purified water, keeping the nozzle at least 10 inches from the surface.
- Ensure the drain valve is kept open.
- Repeat the cleaning with 100 liters once again.
- Place the top lid and vent filter.
- Close the drain valve.
- Feed the water in the tank as usual by RO system in Auto mode.
- Record the cleaning details as per Annexure-I.
- After completion of the Cleaning, labels shall be updated on the tanks as per Annexure-II.
- Frequency:
Cleaning shall be carried out once in a month along with every month first fortnightly preventive maintenance of purified water system.
- REFERENCES:
Not Applicable
- ANNEXURES:
| ANNEXURE No. | TITLE OF ANNEXURE |
| Annexure-I | RO product water storage tank cleaning record |
| Annexure-II | Label for Cleaning Details |
ENCLOSURES: SOP Training Record.
- DISTRIBUTION:
- Controlled Copy No. 01 Head Quality Assurance
- Controlled Copy No. 02 Head-Engineering
- Master Copy Quality Assurance Department
- ABBREVIATIONS:
R O : Reverse Osmosis
HDPE : High Density Polyethylene
- REVISION HISTORY:
CHANGE HISTORY LOG
| Revision No. | Details of Changes | Reason for Change | Effective Date |
| 00 | New SOP | Not Applicable | To be written manual |
ANNEXURE-I
RO PRODUCT WATER STORAGE TANK CLEANING RECORD
ANNEXURE-II
LABEL FOR CLEANING DETAILS
