Annual Function Check and Calibration of COMPRESSOR GAS IP PROCESS & associated Equipment’s Instruments (DRESSER RAND / D8R7B):
Annual Function
Check and Calibration of COMPRESSOR GAS IP PROCESS & associated Equipment’s
Instruments (DRESSER RAND / D8R7B):
FOR SWITCHES ON
THE CPF THE LOW LOW LEVEL SHUTDOWN OVERRIDE ON AUGUST SAFETY SYSTEM MUST BE IN PLACE
PRIOR TO COMMENCING WORK
ENSURE OVERRIDE
IS PLACED IN THE OUT OF SERVICE POSITION
FOR SWITCHES ON
WATERFLOOD DURING NORMAL OPERATION THE LOW LOW LEVEL SHUTDOWN. THE APPROPRIATE SWITCH
CONTACTS MUST BE FORCED WITHIN THE SEIMENS PLC USING LAPTOP PRIOR TO
COMMENCMENT OF FUNCTION TEST/CALIBRATION.
TASK TO BE
PERFORMED:
1. Annual Function Test and
Calibration of MAGNETROL LEVEL SWITCH LOW LOW ALARM.
2. Inspect Level Switch for any
physical damage.
3. Ensure Level Switch is
securely mounted.
4. Inspect electrical signal
cable for any physical damage.
5. Check cable gland and
terminal box cover are secure.
6. Remove Level switch cover and
inspect switch mechanism.
MERCURY SWITCHES
7. Visually inspect Switches for
any short circuit damage.
8. Check for small cracks in the
glass tube containing the mercury.
9. Check all terminations are
secure.
NOTE: These cracks will allow
the entrance of air into the tube causing the mercury to oxidise and appear
dirty.
If this condition is found
replace switch immediately.
DRY CONTACT SWITCHES
10. Visually inspect switches for
excessive wear on actuating lever.
11. Visually inspect switches
for misalignment of adjusting screw at point of contact between screw and lever.
12. Adjust mechanism to
compensate for this condition.
If this cannot be corrected
replace switch immediately.
13. Isolate Level Switch Low
from the process by closing the bridle manual isolation valves.
14. Drain the process fluid from
the float chamber to a pre-determined level where the the Low Alarm should have
activated. Tee in clear plastic pipe and strap to chamber in order to view
level indication.
15. Complete Instrument
Calibration Sheet.
16. Close the float drain valve.
17. Check that the Switch has
activated. Adjust as required.
18. Check that the Low Low Alarm
has been received in control Room.
19. If adjustment are made in
step 16, using a hand pump, refill the float switch chamber with process fluid or
liquid of an equivalent S.G. and repeat steps 14 through 17 till the correct
setting is obtained.
20. Ensure all drain points are
securely closed off.
21. Check all disturbed
connections for leaks using soap solution.
22. De-isolate the Level Switch
and put back on line equalising the level in the float chamber with the vessel.
23. Re-instate all bridle
valves.
24. Checks that the Alarm
annunciation has been accepted reset.
25. Replace switch cover
ensuring 'O' ring seal is in good condition.
26. ENSURE OVERRIDE IS REMOVED
AND AUGUST SYSTEM RETURNED TO NORMAL MODE.
27. Sign-off Work Permit and
return to operations.
28. Report all findings to
supervision and document in CMMS.
HIGH HIGH
SHUTDOWN OVERRIDE ON AUGUST SAFETY SYSTEM MUST BE IN PLACE PRIOR TO COMMENCING
WORK
ENSURE OVERRIDE
IS PLACED IN THE OUT OF SERVICE POSITION
TASK TO BE
PERFORMED:
1. Annual Function Test and
Calibration of MAGNETROL LEVEL SWITCH HIGH HIGH ALARM.
2. Inspect Level Switch for any
physical damage.
3. Ensure Level Switch is
securely mounted.
4. Inspect electrical signal
cable for any physical damage.
5. Check cable gland and
terminal box cover are secure.
6. Remove Level switch cover and
inspect switch mechanism.
MERCURY SWITCHES
7. Visually inspect Switches for
any short circuit damage.
8. Check for small cracks in the
glass tube containing the mercury.
9. Check all terminations are
secure.
NOTE: These cracks will allow
the entrance of air into the tube causing the mercury to oxidise and appear
dirty.
If this condition is found
replace switch immediately
DRY CONTACT SWITCHES
10. Visually inspect switches
for excessive wear on actuating lever.
11. Visually inspect switches
for misalignment of adjusting screw at point of contact between screw and lever.
12. Adjust mechanism to
compensate for this condition.
If this cannot be corrected
replace switch immediately.
13. Isolate Level Switch High
from the process by closing the bridle manual isolation valves.
14. Using hand pump, pump the
process fluid or liquid of an equivalent S.G into the float chamber via the drain
valve to a pre-determined level where the High Alarm should have activated. Tee
in clear plastic pipe and strap to chamber in order to view level indication.
15. Complete Instrument
Calibration Sheet.
16. Close the float drain valve.
17. Check that the Switch has
activated. Adjust as required.
18. Check that the HIGH HIGH
Alarm has been received in control Room.
19. If adjustment are made in step
16, refill the float chamber with process fluid or liquid of an equivalent S.G.
and repeat steps 14 through
17 till correct setting is
obtained.
20. Ensure all drain points are
securely closed off.
21. De-isolate the Level Switch
and put back on line equalising the level in the float chamber with the vessel.
22. Re-instate all bridle
valves.
23. Check all disturbed
connections for leaks using soap solution.
24. Checks that the Alarm
annunciation has been accepted reset.
25. Replace switch cover
ensuring 'O' ring seal is in good condition.
26. ENSURE OVERRIDE IS REMOVED
AND AUGUST SYSTEM RETURNED TO NORMAL MODE.
27. Sign-off Work Permit and
return to operations.
28. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Pressure High Switches.
2. Inspect Switch for any
physical damage.
3. Ensure Switch is securely
mounted.
4. Check impulse line is
securely fastened.
5. Check drain valve are closed.
6. Inspect impulse line
connections for leaks.
7. Ensure drain valves are
plugged and there are no leaks.
8. Inspect electrical signal
cable for any physical damage.
9. Check cable gland is secure.
Pressure Switches, to be
calibrated against hand held Digital Druck Comparator or Pressure Pump.
Use an Accurate Test gauge with
a range suitable for the device being tested.
10. Isolate Switch from process
and de-pressurise.
11. Connect pressure source and
apply pressure to the switch to the required set point.
12. Check that the Switch has
activated. Adjust as required.
13. Check that the High Alarm
has been received in control Room.
14. Reduce pressure slowly till
alarm resets and in order to check the hysteresis on the switch.
15. Repeat step 10 to 13 till
correct set point has been obtained.
16. Complete Instrument
Calibration Sheet.
17. Ensure all drain point is
securely closed off.
18. Check all disturbed
connections for leaks using soap solution.
19. Complete Instrument
Calibration Sheet.
20. Affix calibrated switch with
label giving date of calibration and tag number.
21. De-isolate sensing line and
close by-pass valve.
22. Return Pressure switch to
service.
23. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE.
24. Sign-off Work Permit and
return to operations.
25. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Pressure Low Switches.
2. Inspect Switch for any
physical damage.
3. Ensure Switch is securely
mounted.
4. Check impulse line is
securely fastened.
5. Check drain valve are closed.
6. Inspect impulse line
connections for leaks.
7. Ensure drain valves are
plugged and there are no leaks.
8. Inspect electrical signal
cable for any physical damage.
9. Check cable gland is secure.
Pressure Switches, to be calibrated
against hand held Digital Druck Comparator or Pressure Pump.
Use an Accurate Test gauge with
a range suitable for the device being tested.
10. Isolate Switch from process
and de-pressurise.
11. Check that the Low Pressure
Alarm has been received in control Room.
12. Connect pressure source and
apply pressure to the switch to above the required set point and ensure alarm
has reset in control room.
13. Slowly decrease pressure to
the required set point.
14. Check that the Switch has
activated. Adjust as required.
15. Check that the Low Pressure
Alarm has been received in control Room.
16. Increase pressure slowly
till alarm resets and in order to check the hysteresis on the switch.
17. Repeat step 10 to 15 till
correct set point has been obtained.
18. Complete Instrument
Calibration Sheet.
19. Ensure all drain point is
securely closed off.
20. Check all disturbed
connections for leaks using soap solution.
21. Complete Instrument
Calibration Sheet.
22. Affix calibrated switch with
label giving date of calibration and tag number.
23. De-isolate sensing line and
close by-pass valve.
24. Return Pressure switch to
service.
25. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE.
26. Sign-off Work Permit and
return to operations.
27. Report all findings to supervision
and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Pressure High High Switches.
2. Inspect Switch for any
physical damage.
3. Ensure Switch is securely
mounted.
4. Check impulse line is
securely fastened.
5. Check drain valve are closed.
6. Inspect impulse line
connections for leaks.
7. Ensure drain valves are
plugged and there are no leaks.
8. Inspect electrical signal
cable for any physical damage.
9. Check cable gland is secure.
Pressure Switches, to be calibrated
against hand held Digital Druck Comparator or Pressure Pump.
Use an Accurate Test gauge with
a range suitable for the device being tested.
10. Isolate Switch from process
and de-pressurise.
11. Check that the High High
Pressure Alarm has been received in control Room.
12. Connect pressure source and
apply pressure to the switch to below the required set point and ensure alarm
has reset in control room.
13. Slowly increase pressure to
the required set point.
14. Check that the Switch has
activated. Adjust as required.
15. Check that the High High
Pressure Alarm has been received in control Room.
16. Decrease pressure slowly
till alarm resets and in order to check the hysteresis on the switch.
17. Repeat step 10 to 15 till
correct set point has been obtained.
18. Complete Instrument
Calibration Sheet.
19. Ensure all drain point is
securely closed off.
20. Check all disturbed
connections for leaks using soap solution.
21. Complete Instrument
Calibration Sheet.
22. Affix calibrated switch with
label giving date of calibration and tag number.
23. De-isolate sensing line and
close by-pass valve.
24. Return Pressure switch to
service.
25. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE.
26. Sign-off Work Permit and
return to operations.
27. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Pressure Low Low Switches.
2. Inspect Switch for any
physical damage.
3. Ensure Switch is securely
mounted.
4. Check impulse line is
securely fastened.
5. Check drain valve are closed.
6. Inspect impulse line
connections for leaks.
7. Ensure drain valves are
plugged and there are no leaks.
8. Inspect electrical signal
cable for any physical damage.
9. Check cable gland is secure.
Pressure Switches, to be calibrated
against hand held Digital Druck Comparator or Pressure Pump.
Use an Accurate Test gauge with
a range suitable for the device being tested.
10. Isolate Switch from process
and de-pressurise.
11. Check that the Low Low
Pressure Alarm has been received in control Room.
12. Connect pressure source and
apply pressure to the switch to above the required set point and ensure alarm
has reset in control room.
13. Slowly decrease pressure to
the required set point.
14. Check that the Switch has
activated. Adjust as required.
15. Check that the Low Low
Pressure Alarm has been received in control Room.
16. Increase pressure slowly
till alarm resets and in order to check the hysteresis on the switch.
17. Repeat step 10 to 15 till
correct set point has been obtained.
18. Complete Instrument
Calibration Sheet.
19. Ensure all drain point is
securely closed off.
20. Check all disturbed
connections for leaks using soap solution.
21. Complete Instrument
Calibration Sheet.
22. Affix calibrated switch with
label giving date of calibration and tag number.
23. De-isolate sensing line and
close by-pass valve.
24. Return Pressure switch to
service.
25. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE.
26. Sign-off Work Permit and
return to operations.
27. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Inspection and
calibration of Temperature Switch High High.
2. Inspect Switch for any
physical damage.
3. Ensure Switch is securely
mounted.
4. Check temperature Switch and
thermowell are securely fastened.
5. Inspect electrical cable and
conduit for any physical damage.
6. Check Switch covers are
secure.
7. Isolate Switch.
8. Remove to workshop for
calibration if required.
9. Connect multimeter set to
read resistance to the switch output terminals.
10. Place sensing bulb in
temperature bath and adjust the bath temperature slowly to the specified alarm
temperature.
11. Check the switch operates at
the correct set point, adjust as required.
12. Reduce temperature setting
on bath and ensure switch resets, note the amount of hysteresis on the switch.
13. If adjustments are made,
repeat steps 9 to 12 till correct set point is achieved.
14. Complete Instrument
Calibration Sheet.
15. On competition refit switch in
plant.
Remove to workshop for
calibration if required.
9. Connect multimeter set to
read resistance to the switch output terminals.
10. Place sensing bulb in
temperature bath and adjust the bath temperature slowly to the specified alarm
temperature.
11. Check the switch operates at
the correct set point, adjust as required.
12. Reduce temperature setting
on bath and ensure switch resets, note the amount of hysteresis on the switch.
13. If adjustments are made,
repeat steps 9 to 12 till correct set point is achieved.
14. Complete Instrument
Calibration Sheet.
15. On competition refit switch
in plant.
16. Connect Millivolt or Decade
box to input terminals of switch. (TC or RTD).
17. Inject signal and slowly
increase until signal reaches setpoint.
18. Check that switch has
operated and alarms has been received at control room.
19. Adjust switch as required
until desired setpoint is achieved.
20. Reduce input signal slowly
until switch resets and note the amount of hysteresis present.
21. Ensure the hysteresis is
within the required specifications of the switch.
22. Remove test input signal and
reconnect switch.
23. De-isolate sensing lines.
24. Return Switch to service.
25. Sign-off Work Permit and
return to operations.
26. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Check and Calibration
of Differential Pressure Switches.
2. Inspect Differential Pressure
Switch for any physical damage.
3. Ensure Differential Pressure
Switch is securely mounted.
4. Check impulse lines are
securely fastened.
5. Check drain valves are closed.
6. Inspect impulse lines
connections for leaks.
7. Check manifold connections
for leaks.
8. Check drain plug connections
on Differential Pressure Switch body for leaks.
9. Ensure drain valves are
plugged and there are no leaks.
10. Ensure differential switch
is secured correctly and is not cracked or broken.
11. Check differential switch
for any vibration.
12. Inspect electrical signal
cable for any physical damage.
13. Check cable gland is secure.
14. Visually inspect switches
for any excessive wear.
15. Visually inspect switches
for any misalignment or damage.
16. Check all terminations are
secure.
17. Open Bypass valve, isolate
sensing lines, drain and vent housings
NOTE.
18. Care should be taken during
venting process as some lines may contain hazardous fluids. PPE should be worn.
Note
Pressure Switches, to be
calibrated using a hand held Digital Druck Comparator, Pneumatic Calibrator or
Pressure Pump.
Use an Accurate Test gauge with
a range suitable for the device being tested.
19. Connect calibrator to the HP
side of switch.
20. Apply pressure slowly till
switch activates.
21. Adjust switch to the
required set point.
22. Check that the Switch has
activated. Adjust as required.
23. Check that the High Alarm
has been received in control Room.
24. Repeat steps 19 TO 23 till
correct set point has been obtained.
25. Ensure all drain points are
securely closed off.
26. Check all disturbed
connections for leaks using soap solution.
27. Complete Instrument
Calibration Sheet.
28. Affix calibrated
differential switch with label giving date of calibration and tag number.
29. De-isolate sensing lines and
close by-pass valve.
30. Return Pressure Differential
switch to service.
31. Sign-off Work Permit and
return to operations.
32. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Test and
Calibration of LEVEL SWITCH LOW ALARM.
2. Inspect Level Switch for any
physical damage.
3. Ensure Level Switch is
securely mounted.
4. Inspect electrical signal
cable for any physical damage.
5. Check cable gland and
terminal box cover are secure.
6. Remove Level switch cover and
inspect switch mechanism.
7. Visually inspect Switches for
any short circuit damage.
8. Check all terminations are
secure.
9. Visually inspect switches for
excessive wear on actuating lever.
10. Visually inspect switches
for misalignment of adjusting screw at point of contact. between screw and
lever.
12. Adjust mechanism to
compensate for this condition.
If this cannot be corrected
replace switch immediately.
13. Isolate Level Switch Low
from the process by closing the bridle manual isolation valves where fitted.
14. Where possible drain the
process fluid from the chamber to a pre-determined level where the the Low Alarm
should have activated. Tee in clear plastic pipe and strap to chamber in order
to view level indication.
15. Close the drain valve.
16. Check that the Switch has
activated. Adjust as required.
17. Check that the Low Alarm has
been received in control Room.
18. If adjustment are made in
step 16, refill the float switch chamber with process fluid or liquid of an
equivalent S.G. and repeat steps 14 through 17 till the correct setting is
obtained.
19. Ensure all drain points are
securely closed off.
20. Check all disturbed
connections for leaks using soap solution.
21. De-isolate the Level Switch
and put back on line equalising the level in the float chamber with the vessel.
22. Re-instate all bridle
valves.
23. Checks that the Alarm
annunciation has been accepted reset.
24. Replace switch cover
ensuring seal or gasket is in good condition.
25. Complete Instrument
Calibration Sheet.
26. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE.
27. Sign-off Work Permit and
return to operations.
28. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Test and
Calibration of LEVEL SWITCH HIGH ALARM.
2. Inspect Level Switch for any
physical damage.
3. Ensure Level Switch is
securely mounted.
4. Inspect electrical signal
cable for any physical damage.
5. Check cable gland and
terminal box cover are secure.
6. Remove Level switch cover and
inspect switch mechanism.
7. Visually inspect Switches for
any short circuit damage.
8. Check all terminations are
secure.
9. Visually inspect switches for
excessive wear on actuating lever.
10. Visually inspect switches
for misalignment of adjusting screw at point of contact between screw and lever.
12. Adjust mechanism to
compensate for this condition.
If this cannot be corrected
replace switch immediately.
13. Isolate Level Switch High
from the process by closing the bridle manual isolation valves where fitted.
14. Pump process fluid into the
chamber to a pre-determined level where the the High Alarm should have activated.
Tee in clear plastic pipe and strap to chamber in order to view level
indication.
15. Close the drain valve.
16. Check that the Switch has
activated. Adjust as required.
17. Check that the High Alarm
has been received in control Room.
18. If adjustment are made in
step 16, refill the float switch chamber with process fluid or liquid of an
equivalent S.G. and repeat steps 14 through 17 till the correct setting is
obtained.
19. Ensure all drain points are
securely closed off.
20. Check all disturbed
connections for leaks using soap solution.
21. De-isolate the Level Switch
and put back on line equalising the level in the float chamber with the vessel.
22. Re-instate all bridle
valves.
23. Checks that the Alarm
annunciation has been accepted reset.
24. Replace switch cover
ensuring seal or gasket is in good condition.
25. Complete Instrument
Calibration Sheet.
26. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE
27. Sign-off Work Permit and
return to operations.
28. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Differential Pressure Switches.
2. Inspect Differential Pressure
Switch for any physical damage.
3. Ensure Differential Pressure
Switch is securely mounted.
4. Check impulse lines are
securely fastened.
5. Check drain valves are closed.
6. Inspect impulse lines
connections for leaks.
7. Check manifold connections
for leaks.
8. Check drain plug connections
on Differential Pressure Switch body for leaks.
9. Ensure drain valves are
plugged and there are no leaks.
10. Ensure differential switch
glass is secured correctly and is not cracked or broken.
11. Check differential switch
pointer for any pulsation.
12. Inspect electrical signal
cable for any physical damage.
13. Check cable gland is secure.
14. Visually inspect switches
for any excessive wear on actuating lever.
15. Visually inspect switches
for any misalignment or damage.
16. Check all terminations are
secure.
17. Open Bypass valve, isolate
sensing lines, drain and vent housings.
18. NOTE
19. Care should be taken during
venting process as some lines may contain hazardous fluids. PPE should be worn.
20. Check that the DP
Differential switch indicates zero differential, adjust as required
21. Calibrate Differential Gauge
to + or - 1% of range in increments of 20% both rising and falling pressure,
adjusting zero and span as required.
22. Note
Pressure Switches, to be
calibrated against hand held Digital Druck Comparator, Pneumatic Calibrtaor or
Pressure Pump.
Use an Accurate Test gauge with
a range suitable for the device being tested.
23. Connect calibrator to the HP
side of switch.
24. Apply pressure slowly till
switch activates.
25. Adjust switch to the
required set point.
26. Check that the Switch has
activated. Adjust as required.
27. Check that the High Alarm
has been received in control Room.
28. Repeat steps 19 TO 23 till
correct set point has been obtained.
29. Ensure all drain points are
securely closed off.
30. Check all disturbed
connections for leaks using soap solution.
31. Complete Instrument
Calibration Sheet.
32. Affix calibrated
differential switch with label giving date of calibration and tag number.
33. De-isolate sensing lines and
close by-pass valve.
34. Return Pressure Differential
switch to service.
35. Sign-off Work Permit and
return to operations.
36. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Pressure Transmitters.
2. Inspect Transmitter for any
physical damage.
3. Ensure Transmitter is securely
mounted.
4. Check impulse line is
securely fastened.
5. Check drain valves are closed.
6. Inspect impulse line
connections for leaks.
7. Ensure drain valves are
plugged and there are no leaks.
8. Inspect electrical signal
cable for any physical damage.
9. Check cable gland is secure.
10. Pressure Transmitters, to be
calibrated against hand held Digital Druck Comparator or Pressure Pump complete
with Accurate Test gauge.
11. Isolate and De-pressure
Transmitter. Ensure equalization valve is open when calibrating PDT
transmitters.
12. Connect Multimeter to
Transmitter output.
13. Connect Pressure source to
Transmitter HP input.
14. With Pressure input of 0% of
Transmitter range, transmitter output on multimeter, should read 4 ma adjust
zero if required.
15. Increase Pressure to 100% of
Transmitter range and transmitter output on multimeter, should read 20 ma adjust
span if required, return to 0% input.
16. Increase Pressure to 50% of
Transmitter range and transmitter output on multimeter, should read 12 ma
adjust linearity if required, return to 0% input.
17. Increase and decrease
Pressure input in increments of 25% of transmitter range and check transmitter
output on multimeter, should increase and decrease in increments of 4 ma,
between 4 and 20 milliamps.
19. If adjustments are made in
step 12 or 18, repeat steps 12 through 16 till correct settings are obtained.
20. Complete Instrument
Calibration Sheet.
21. Ensure all drain points are
securely closed off.
22. De-isolate the Pressure
Transmitter and put back on service.
23. Check all disturbed
connections for leaks using soap solution.
24. Checks that the any alarm
annunciation has been accepted reset.
25. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE
26. Sign-off Work Permit and
return to operations.
27. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Smart Pressure Transmitters.
2. Inspect Transmitter for any
physical damage.
3. Ensure Transmitter is
securely mounted.
4. Check impulse lines are
securely fastened.
5. Inspect impulse lines
connections for leaks.
6. Inspect electrical signal
cable for any physical damage.
7. Check cable gland is secure.
8. Isolate and De-pressure
Transmitter.
9. CONNECT HART COMMUNICATOR TO
TRANSMITTER.
10. PLACE THE LOOP TO BE CHECKED
IN MANUAL PRIOR TO COMMENCING LOOP CHECK.
11. Inform technician in control
room testing is about to begin.
12. Using the Hart Communicator
check that the Transmitter Parameters are correct.
13. Connect current meter in
loop in order to verify transmitter milli-amp output.
14. Select 4 mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 4 mA and verify.
15. Check with technician in
control room 4mA signal has been correctly.
16. Select 20 mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 20 mA and verify.
17. Check with technician in
control room 20 mA signal has been correctly.
18. Complete Instrument
Calibration Sheet.
19. Ensure all drain points are
securely closed off.
20. De-isolate the Pressure
Transmitter and put back on service.
21. Check all disturbed
connections for leaks using soap solution.
22. Checks that the any alarm
annunciation has been accepted reset.
23. Sign-off Work Permit and
return to operations.
24. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Smart Temperature Transmitters.
2. Inspect Transmitter for any
physical damage.
3. Inspect electrical signal
cable for any physical damage.
4. Check cable gland is secure.
5. CONNECT HART COMMUNICATOR TO
TRANSMITTER.
6. PLACE THE LOOP TO BE CHECKED
IN MANUAL PRIOR TO COMMENCING LOOP CHECK.
7. Inform technician in control
room testing is about to begin.
8. Using the Hart Communicator
verify that the Transmitter Parameters are correct
9. Connect current meter in loop
in order to verify transmitter milli-amp output.
10. Select 4 mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 4 mA and verify.
11. Check with technician in
control room 4mA signal has been correctly.
12. Select 20mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 20 mA and verify.
13. Check with technician in
control room 20 mA signal has been correctly.
14. Complete Instrument
Calibration Sheet.
15. Checks that the any alarm
annunciation has been accepted reset.
16. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE
17. Sign-off Work Permit and
return to operations.
18. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Smart Flow Transmitters.
2. Inspect Transmitter for any
physical damage.
3. Ensure Transmitter is
securely mounted.
4. Check impulse lines are
securely fastened.
5. Check drain valves are closed.
6. Inspect impulse lines
connections for leaks.
7. Ensure drain valves are
plugged and there are no leaks.
8. Inspect electrical signal
cable for any physical damage.
9. Check cable gland is secure.
10. Open Equalizing valve.
11. Isolate and De-pressure
Transmitter.
12. CONNECT HART COMMUNICATOR TO
TRANSMITTER.
13. PLACE THE LOOP TO BE CHECKED
IN MANUAL PRIOR TO COMMENCING LOOP CHECK.
14. Inform technician in control
room testing is about to begin.
15. Using the Hart Communicator
check that the Transmitter Parameters are correct.
16. Connect current meter in
loop in order to verify transmitter milli-amp output.
17. Select 4 mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 4 mA and verify.
18. Check with technician in
control room 4mA signal has been correctly.
19. Select 20 mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 20 mA and verify.
20. Check with technician in
control room 20 mA signal has been correctly.
21. Complete Instrument
Calibration Sheet.
22. Ensure all drain points are
securely closed off.
23. De-isolate the Pressure
Transmitter and put back on service.
24. Close Equalization valve.
25. Check all disturbed
connections for leaks using soap solution.
26. Checks that the any alarm
annunciation has been accepted reset.
27. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL .MODE
28. Sign-off Work Permit and
return to operations.
29. Report all findings to
supervision and document in CMMS.
TASK TO BE
PERFORMED:
1. Annual Function Check and
Calibration of Smart Level Transmitters.
2. Inspect Transmitter for any
physical damage.
3. Ensure Transmitter is
securely mounted.
4. Check impulse lines are securely
fastened.
5. Check drain valves are closed.
6. Inspect impulse lines
connections for leaks.
7. Ensure drain valves are
plugged and there are no leaks.
8. Inspect electrical signal
cable for any physical damage.
9. Check cable gland is secure.
10. Open Equalizing valve.
11. Isolate and De-pressure
Transmitter.
12. CONNECT HART COMMUNICATOR TO
TRANSMITTER.
13. PLACE THE LOOP TO BE CHECKED
IN MANUAL PRIOR TO COMMENCING LOOP CHECK.
14. Inform technician in control
room testing is about to begin.
15. Using the Hart Communicator
check that the Transmitter Parameters are correct
16. Connect current meter in
loop in order to verify transmitter milli-amp output
17. Select 4 mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 4 mA and verify.
18. Check with technician in
control room 4mA signal has been correctly.
19. Select 20 mA on the Hart
Communicator, check the installed current meter in the loop to verify that it
reads 20 mA and verify.
20. Check with technician in control
room 20 mA signal has been correctly.
21. Complete Instrument
Calibration Sheet.
22. Ensure all drain points are
securely closed off.
23. De-isolate the Pressure
Transmitter and put back on service.
24. Close Equalization valve.
25. Check all disturbed connections
for leaks using soap solution.
26. Checks that the any alarm
annunciation has been accepted reset.
27. ENSURE ANY OVERRIDE IS
REMOVED AND AUGUST SYSTEM RETURNED TO NORMAL MODE
28. Sign-off Work Permit and
return to operations.
29. Report all findings to
supervision and document in CMMS.
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