Title of the study: Water treatment process

Worksheets: 2/4

Drawing N˚:

Date: 26/05/2021

Line-up: CE, CL, CDME, CDMM, CG, SMH

Meeting date: 20/05/2021

Party considered: Transfer duct from the supply tank of the diaposime to the boilers

Material: Diaposime B117

Activity: Transfer continuously at a rate greater than that of NaCl Destination: Streamers

Source: Diaposime B117 tank

Operating parameters: Pressure, temperature and flow

N˚

word- guide

Element

Deviation

Causes

Consequences

Barriers security

G

P

R

Events

Correctives action

Resp

4

More than

Diaposime transfer B117

Excess transfer. Increased flow of diaposime B117.

Incorrect sizing of the pump. Installation of a bad pump.

Reduction possible performance. The product contain way too much of B117 diaposime.

Nothingness

2

0.133

0.266

Acceptable situation

Check the flows and the characteristics of the pump during commissioning. Review the setting procedure in use

CDME

5

Less

Diaposime B117

Less diaposime B117

Low level in The reservoir

Suction head positive net insufficient. turbulence possible and risk explosion Inadequate flow

Nothingness

4

0.133

0.532

Unacceptable situation

Low level alarm in the tank

Idem 1

CL, CE

6

Less

Diaposime Transfer Rate < NaCl Transfer Rate

Decrease of the flow of diaposime B117.

Pipe partially clogged, leaking, pump no performance, etc.

The tank is going exceed the limit filling

None apparent

4

0.133

0.532

Unacceptable situation

Idem 2

CE,

CDMM