1.0 PURPOSE :
To describe the standard operating procedure for receiving and usage of D.M. water
2.0 SCOPE:
The standard operating procedure describes in detail the method for receiving and usage of D.M. water in Block-IV.
3.0 RESPONSIBILITY:
The responsibility for pumping D.M water to the receiving tank lies with maintenance department and receiving and usage as per the standard operating procedure lies with the staff of rank not lower than technical assistant of production department.
The responsibility of preparation, review and approval of the standard operating procedure lies with the Executive (Production), Head of Production and Head of QAD respectively.
4.0 METHOD:
4.1 Ensure that no water present in the receiving tank and circulation loop.
4.2 Ensure bottom valve receiver of the receiving tank in close position.
4.3 Inform to maintenance department for pumping of D.M. water to Block-IV.
4.4 Receive the D.M. water 600 L. into receiving tank.
4.5 Switch on the loop circulation pump and keep the D.M. water under re-circulation.
4.6 Heat the D.M. water using steam in the jacket 70 – 80°
4.7 Maintain the D.M. water at 70 – 80° C. for 1 hour.
4.8 Cool the D.M. water to the room temperature.
4.9 Open the loop usage valve SP-25 and charge the D.M. water into reactors into xxxxxx
4.10 Measure the required quantity of D.M. water as per indicator.
4.11 Ensure draining of water from receiving tank after usage.
4.14 Frequency:
Inform to maintenance department for D.M. water as per the requirement.
Production, standard operating procedure, demineralised water