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N2 NEW COL

New N2 plant coldbox outlet

Old N2 plant cold b

3-TP-18

T3

SIVL

V

V2

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Existing Line

Tie-In odi!cation no"al line

BOX liquid Nitrogen TIE-IN with existing stora

#

ox outlet

PSV

Po"tion o& line to be "

PSV

T1

T2PSV

Existing elbow will be"eplaced b( TEE

1

SIVL

SIVL

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ge tank

V-8$1$%

#V-8$1$)

o'ed

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1

2

3

%)

4

5

8

6

12

13

1%

1)

14

15

NOTE

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N2 NE* +OL, O. li/uid Nit"ogen TIE-IN0 3-TP-18 wit existing sto"age tan

IOL!TION

Ensu"e su7cient li/uid nit"ogen le'el is a'ailable 03$9 consuption wit one sip

Ensu"e tawing eate" wo"ing p"ope"l( 0T"ial to be done be&o"e :ob sta"ted

Tae N2 'apo"i;e" in line to aintain nit"ogen eade" p"essu"e

Stop N2 plant as pe" SOPEnsu"e N2 li/uid p"oduct is isolated to bottle-1 and 2

PP# to be ept "unning b( opening V-143-5 and sligt

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#PSV

Po"tion o& line to

L+ 81$2

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V-8$1$%

#V-8$1$)

be "eo'ed

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Sr No

1

23

4

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!escri"tion

Existing cold box shut, draining and deriming

Time for Tie-InDew point checing

!tart up and stabili"ation

Total Time

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3-TP-18 LN2 Tie-In from New cold

2 % 4 8 1$ 12

12

122

1#

3$

Time#$ours%

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box to Existing Bullet

Tie 01?2 "s

1% 14 18 2$ 22 2% 24 28

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3$ 32 3% 34 38 %$