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Sop For DM Transfer

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Standard Operating Procedure Issue no.

: 05
Issue date: 01.04.2020
Revi no. : 00
WCL/TPP/DPM-08 Revi. Date : --
Title: SOP FOR DM TRANSFER PUMP Section No.: 13

Sr.No. Description

START UP: For starting DM transfer pump proceed as stated below:

When a PUMP is kept in Remote & Auto MODE-

Its suction & Discharge will be kept open, unless specific logic & Protection is implemented & its
1
minimum re-circulation valve is open condition.

START UP CHECKS :

1 Ensure clearance from maintenance & get clearance from field operator to start.

2 Ensure DM storage tank level is Normal.

3 Ensure suction valve is in Open condition.

4 Coupling guard is in position & fastened firmly.

5 Ensure discharge valve is in closed condition.

6 Ensure Deaerator Make-up control valve & it’s bypass are in closed condition.

7 Ensure boiler initial filling line valve is in closed condition.

8 Ensure it’s minimum re-circulation valve is in Open condition.

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Standard Operating Procedure Issue no. : 05
Issue date: 01.04.2020
Revi no. : 00
WCL/TPP/DPM-08 Revi. Date : --

9 Ensure that all protection & interlock are in service.

10 Give Start command by operating from field (LJB) or from DCS.

11 Once pump achieves normal speed, open the discharge valve slowly.

12 Check for any abnormal sound, direction of rotation, current, vibration, Bearing
temperatures etc & Record.

STOPPING : To stop a DM transfer pump follow below mentioned steps.

1 Give Stop command either from DCS or from Field (LJB).

If the pump is kept as an Stand-by :

Don’t Isolate: Suction Valve, Minimum re-circulation & Discharge valve.

Allowing for Maintenance :

1 Isolate Suction valve.

2 Isolate Re-circulation valve.

3 Isolate Discharge valve.

4 Isolate from Electrical side.

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Standard Operating Procedure Issue no. : 05
Issue date: 01.04.2020
Revi no. : 00
WCL/TPP/DPM-08 Revi. Date : --
SAFTEY PPE’s : Ear Plugs, Safety Goggles, Hand Gloves, F-rod etc.

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