To describe standard operating procedure for calibration of storage tanks.
1.0 PURPOSE:
To describe standard operating procedure for calibration of storage tanks.
2.0 SCOPE:
The standard operating procedure describes in detail the method of calibrating the storage tanks.
3.0 RESPONSIBILITY:
The responsibility of calibrating the storage tanks lies with the staff of rank not lower than the maintenance engineer of maintenance department.
The responsibility of preparing, reviewing and approving the standard operating procedure lies with the Manager - Maintenance, Head of Production and Head of QAD respectively.
4.0 METHOD:
4.1 Select the tank to be calibrated.
4.2 Ensure the tank is empty.
4.3 Close the outlet valve.
4.4 Connect a line flow meter after the outlet valve.
4.5 Fill the tank with water to its capacity with flow-meter in the inlet line and mark the level on the level indicator.
4.6 Open the outlet valve and measure the discharge for the required minimum graduation and mark the same on level indicator.
4.7 Repeat the above step till the tank is empty.
4.8 Now the tank is fully calibrated and the marking is made on the level indicator.
4.9 Record the details of calibration in an Annexure-I.
4.10 Frequency: once in a year ± 15 days.
5.0 RECORDING :
The responsibility of recording the details in Annexure-I lies with the staff of rank not lower than the supervisor of maintenance department.
Storage, calibration, tanks, supervisor
