Winterization Design Guide

8/13/2019 Winterization Design Guide

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PROCESS TECHNOLOGY PROCEDURESPREPARED BY

W. McMechenDATE

13 Novem e! 2""3

DEPARTMENT# PROCESS ENG$NEER$NG APPRO%ED BY

A. Bo&!'(

SUB)ECT# W$NTER$*AT$ON DES$GN GU$DE RE%$S$ON DATE3" )&ne 2""+

RE%.

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T, e o Con/en/0

1.0 SCOPE.............................................................................................................................12.0 RESPONSIBILITIES........................................................................................................33.0 DEFINITIONS..................................................................................................................54.0 PROCEDURE..................................................................................................................7

4.1 General In !r"a#$!n............................................................................................74.2 Pr!#e%#$!n &e#'!().............................................................................................*4.3 E+al,a#$!n C!n)$(era#$!n)...............................................................................10

5.0 HE-T TR-CING............................................................................................................135.1 General...............................................................................................................135.2 S#ea" Tra%$n ...................................................................................................155.3 Ele%#r$% Tra%$n .................................................................................................1/

.0 PROTECTION OF PIPING............................................................................................20.1 Un(er r!,n( P$ $n .........................................................................................21.2 Pr!%e)) P$ $n - !+e Gra(e...........................................................................21

.2.1 P!o/ec/(on G&( e (ne0............................................................................21

.2.2 P!o/ec/(on (/h 4e,/ T!,c(n ,n $n0& ,/(on.........................................22

.2.3 P!o/ec/(on (/h O/he! Me/ho 0.............................................................26.3 a#er P$ $n ......................................................................................................30

.3.1 P!o/ec/(on G&( e (ne0............................................................................3".4 U#$l$# P$ $n ......................................................................................................3.5 F$re a#er ) )#e")...........................................................................................37

7.0 PROTECTION OF E UIP&ENT...................................................................................3*7.1 Tan6)..................................................................................................................3*7.2 e))el)...............................................................................................................3/7.3 P," ).................................................................................................................417.4 -$r C!!le( Hea# E8%'an er)............................................................................43

7.5 &a%'$ner ...........................................................................................................44*.0 PROTECTION OF INSTRU&ENTS..............................................................................4

*.1 General Re9,$re"en#)......................................................................................4*.2 S e%$ $% Re9,$re"en#).....................................................................................4*

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1.0 SCOPE

Th(0 e0( n &( e cove!0 m(n(m&m ene!, !e7&(!emen/0 o! e0( n o co e,/he!8!o/ec/(on o! 8(8(n 9 e7&(8men/ ,n (n0/!&men/0. S8ec( (c !e7&(!emen/0 o! 8!o/ec/(onev(ce0 o! (n0/, ,/(on e/,( 0 ,!e no/ cove!e (n /h(0 &( e.

The 8&!8o0e o (n/e!(:,/(on (0 /o 8!ov( e , ,c( (/; /h,/ (0 o/h o8e!, e ,n m,(n/,(n, e&!(n e


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o e7&(8men/ ,n 8(8(n 0;0/em0 0&ch /h,/ o /em8e!,/&!e0 o no/ (m8,(! 8e! o!m,nce o!o8e!,/(on. The ,c( (/; 0ho& e e0( ne /o 8!o/ec/ , ,(n0/ /he o o (n con (/(on0#

F!ee:(n o 8!oce00 ,n &/( (/; &( 0 Con e, (n o v(0co&0 &( 0 Po&! 8o(n/ 0&88!e00(on Con en0,/(on /h,/ m,; e, /o co!!o0(ve com8o&n 0 An; &n e0(!, e 0e8,!,/(on /h,/ m,; occ&! ,/ o ,m (en/ /em8e!,/&!e0 S/,!/-&8 8!o em0 &n e! 0eve!e (n/e! con (/(on0

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4; !,/e o!m,/(on

2.0 RESPONSIBILITIES

The P!oce00 En (nee! e0/, (0he0 !e7&(!emen/0 (/h /he C (en/ o! (n/e!(:(n ,n /hem(n(m&m e0( n ,n m,


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The Mech,n(c, En (nee! 8!e8,!e0 /he 08ec( (c,/(on0 o! (n0& ,/(on m,/e!(, 0 ,n/h(c>ne009 coo! (n,/e0 /he (n/e!(:(n ?(n0& ,/(on !e7&(!emen/0 (/h /he e7&(8men/0&88 (e!0 ,n !ev(e 0 /he P=$D0?ven o! !, (n 0 /o en0&!e /he co!!ec/ e8(c/(on oe7&(8men/ !e7&(!emen/0.

The Con/!o S;0/em0 En (nee! !ev(e 0 /he P=$D0 ,n (n0/!&men/ !, (n 0 /o en0&!e /heco!!ec/ e8(c/(on o /he (n0/!&men/ (n/e!(:,/(on?(n0& ,/(on !e7&(!emen/0.

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P(8(n De0( n e0/, (0he0 /he con ( &!,/(on e/,( 0 o! (n/e!(:(n 8(8e9 (n (c,/e0 /he(n0& ,/(on ,n (n/e!(:(n !e7&(!emen/0 on (/0 !, (n 09 ,n ,00(0/0 (n /he (n, !ev(e o(n/e!(:(n ,n (n0& ,/(on e0( n.

3.0 DEFINITIONS

P!oce00. The /e!m @P!oce00 (0 &0e /o eno/e /he e8,!/men/9 !o&8 o! en (nee! hoeve o80 /he PFD0 ,n P=$D0. The /e!m P!oce00 co& !e e! /o P!oce00 En (nee!09P!oce00 S;0/em0 En (nee!0 o! Mech,n(c, S;0/em0 En (nee!0.

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Mech,n(c, . The /e!m @Mech,n(c, (0 &0e /o eno/e /he e8,!/men/9 !o&8 o!en (nee! ho h,n e0 /he 0/,/(c ,n !o/,/(n e7&(8men/.

Con/!o S;0/em0. The /e!m @Con/!o S;0/em0 (0 &0e /o eno/e /he e8,!/men/9 !o&8o! en (nee! ho h,n e0 /he (n0/!&men/,/(on. The o! 0 @$n0/!&men/,/(on o!$n0/!&men/ ,!e o /en 0& 0/(/&/e o! @Con/!o S;0/em0 .

P(8(n . The /e!m @P(8(n (0 &0e /o eno/e /he e8,!/men/9 !o&8 o! en (nee! hoh,n e0 /he e0( n o /he 8(8(n ,0 ( ,0 /(e-(n oc,/(on0.

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4.0 PROCEDURE

4.1 General In !r"a#$!n

The !e7&(!emen/ o! (n/e!(:,/(on ,n /he m(n(m&m e0( n ,m (en/ /em8e!,/&!e 0ho&e e0/, (0he (/h /he c (en/ e o!e (n/e!(:(n o! (n0& ,/(on (0 ,88 (e .

The 8!o'ec/ 08ec( (e /he!m, (n0& ,/(on c!(/e!(, ,n 08ec( (c,/(on0 0ho& e o /,(ne e o!e(n0& ,/(on /h(c>ne00 !e7&(!emen/0 o! he,/ /!,ce (ne0 ,n e7&(8men/ ,!e , e /o /he (ne0&mm,!; o! e7&(8men/ e0c!(8/(on0. $n , 0ence o 8!o'ec/ 08ec( (e (n0& ,/(on /, e0 o!

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he,/ /!,c(n ,88 (c,/(on0 &0e /he (n0& ,/(on /, e0 o! he,/ con0e!v,/(on 8!ov( e (n /he (ne(0/ $n8&/ De0( n G&( e9 PTD-DGS-12 .

4.2 Pr!#e%#$!n &e#'!()

The o o (n me/ho 0 0ho& e con0( e!e o! co e,/he! 8!o/ec/(on o 8(8(n 9e7&(8men/9 ,n (n0/!&men/0#

,. D!,(n(n o 8(8(n ,n e7&(8men/ hen no/ (n 0e!v(ce.

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. 4e,/ /!,c(n /o ,88 ; he,/ ,n (n0& ,/(n /o !e/,(n (/.

h. 4e,/e!0.

(. U0(n ,n/( !ee:e 0o &/(on0 o! ( &/(n 0/!e,m0 (/h ( h/e!9 non !ee:(n&( 0.

4.3 E+al,a#$!n C!n)$(era#$!n)

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,. Se, (n 9 8&! (n o! (08 ,c(n 8!oce00 &( (/h non !ee:(n &( o!he,/ /!,c(n h,ve 0( n( (c,n/ ; h( he! (n(/(, 9 o8e!,/(n 9 ,n m,(n/en,nce co0/0 /h,no/he! , /e!n,/(ve (n/e!(:,/(on me/ho 0.

. D!,(n(n o 8(8(n 9 (n/e!m(//en/ o 9 0e, (n 9 8&! (n 9 o! (08 ,c(n8!oce00 &( (/h non !ee:(n &( !e7&(!e coo! (n,/(on (/h o8e!,/(on, 8!oce &!e0,n c,!e & 0e ec/(on o oc> v, ve oc,/(on. B oc> v, ve0 0ho& e ,cce00( e9,n /he; 0ho& e (m(n,/e e, e 0 o! 8e!m(/ (ne0 /o e 0e - !,(n(n . A (/(on, ;9/he; 0ho& e oc,/e 0o /h,/ ( e 8(8e o! e7&(8men/ c,n e & ; !,(ne o!(08 ,ce .

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c. Rec(!c& ,/(on (ne0 m,(n/,(n ,c>- o /h!o& h 08,!e 8&m80 o! coe,/he! 8!o/ec/(on o! /o >ee8 /he /em8e!,/&!e o /he 8&m8 ,/ , ce!/,(n eve &e /omech,n(c, !e7&(!emen/0.

. $n o! e! /o 8!o/ec/ 8(8(n hen /he connec/e e7&(8men/ (0 (0o ,/e 9 ,m(n(m&m- o con/(n&o&0 ;8,00 (ne c,n e (n0/, e ,!o&n /he e7&(8men/.

e. $n0& ,/(on (0 ,n econom(c, me/ho o! co e,/he! 8!o/ec/(on. A (nhe,/ /!,c(n (nc!e,0e0 /he e !ee o 8!o/ec/(on.

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. $n0& ,/(on (/ho&/ he,/ /!,c(n !e7&(!e0 /he &0e o non- e//(n(n0& ,/(on9 ce & ,! ,00 o! 8e! (/e

5.0 HE-T TR-CING

5.1 General

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5..1.1 Fo! 8!oce00 0;0/em0 /h,/ c,!!; &( 0 (/h c!(/(c, /em8e!,/&!e0 8o&! 8o(n/9 !ee:e8o(n/9 o 8o(n/ , ove 5"HC9 /he he,/ /!,c(n 0;0/em 0ho& h,ve 0& (c(en/c,8, ( (/; /o m,(n/,(n /he &( 3"HC , ove /he c!(/(c, /em8e!,/&!e.

5..1.2 Fo! 8!oce00 0;0/em0 /h,/ c,!!; &( 0 (/h c!(/(c, /em8e!,/&!e0 8o&! 8o(n/9 !ee:e8o(n/9 o 8o(n/ , ove /he e0( n co e,/he! /em8e!,/&!e9 &/ e00 /h,n 5"HC9/he he,/ /!,c(n 0;0/em 0ho& h,ve 0& (c(en/ c,8, ( (/; /o m,(n/,(n /he &(/em8e!,/&!e 5-15HC , ove /he c!(/(c, /em8e!,/&!e.

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5..1.3 The he,/ /!,c(n 0;0/em 0ho& h,ve /he c,8, ( (/; /o he,/ , (ne 0& (c(en/ ; (/h(n, / e ve-ho&! 8e!(o /o 8e!m(/ (n(/(, c(!c& ,/(on , /e! /he (ne h,0 coo e /o /he(n/e! e0( n /em8e!,/&!e9 ( 0/e,m /!,c(n (0 &0e . E ec/!(c, /!,c(n 0;0/em0 (no/ nee /o mee/ /h(0 !e7&(!emen/ &n e00 o/he! (0e 08ec( (e .

5.2 S#ea" Tra%$n

No/e /h,/ 0/e,m /!,c(n (0 no/ /em8e!,/&!e con/!o e ,n 9 ( &0e e


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5.2.1 S/e,m /!,c(n 0;0/em0 0ho& e e0( ne (n ,cco! ,nce (/h 08ec( (c,/(on0(00&e o! , 8,!/(c& ,! 8!o'ec/.

5.2.2 $n 0;0/em0 he!e /he 8!oce00 &( (0 he,/ 0en0(/(ve9 vo ,/( e9 o! co!!o0(ve ,/ /he/!,ce! /em8e!,/&!e9 /he /!,ce!0 0ho& e 0e8,!,/e !om /he 8(8e ; ,88!o0 ,/,88!o


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,. The 0/, ( (/; o /he 8!oce00 &( ,/ 0/e,m /!,c(n /em8e!,/&!e0 &!(n8e!(o 0 o o o .

. The o e! co0/ o o -8!e00&!e 0/e,m , ,nce , ,(n0/ /he h( he! c,8(/,,n m,(n/en,nce co0/0 o , o -8!e00&!e 0;0/em.

c. P!e00&!e ,/ /he 0/e,m /!,80 0ho& e , e7&,/e /o e/ /he con en0,/e (n/o/he co ec/(on 0;0/em e08ec(, ; ( /he co ec/(on 0;0/em (0 (n e ev,/e 8(8e!,c>0.

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. o -8!e00&!e 0/e,m 1 ,! 0ho& e &0e on ; hen /he con en0,/e(0ch,! e0 /o ,/mo08he!(c 8!e00&!e.

5.3 Ele%#r$% Tra%$n

5.3.1 E ec/!(c /!,c(n 0ho& e e0( ne (n ,cco! ,nce (/h &( e (ne0 o! , 8,!/(c& ,!8!o'ec/.

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5.3.2 E ec/!(c /!,ce 0;0/em0 0ho& , he!e /o /he / e ve-ho&! he,/-&8 !e7&(!emen/ on ;hen 08ec( (e 8,!, !,8h 5.1.3 .

5.3.3 Occ,0(on, ; , 0(/&,/(on ,!(0e0 he!e /he /!,ce 8(8(n c,n ee /oen0&!e /h,/ /he /!,c(n ( no/ e ,m, e ,/ /he 8(8e e0( n /em8e!,/&!e.

.0 PROTECTION OF PIPING

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.1 Un(er r!,n( P$ $n

A 8(8(n 0ho& e &!(e /o /he 8!o'ec/ 08ec( (e e8/h o! !ee:e 8!o/ec/(on.

.2 Pr!%e)) P$ $n - !+e Gra(e

.2.1 Pr!#e%#$!n G,$(el$ne)

,. A (n/e!(:,/(on me/ho 0 0ho& e /,( o!e /o mee/ &/ no/ nece00,!( ;e


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,. On ,c/(ve (ne0 con/,(n(n (7&( 0 e


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c. On (ne0 (/h (n/e!m(//en/ o he!e /he 0e/-&8 /em8e!,/&!e o /he &( (0h( he! /h,n /he /em8e!,/&!e /h,/ c,n e m,(n/,(ne (/ho&/ /!,c(n .

. On (ne0 con/,(n(n , h( h-8o&!-8o(n/ o! , h( h- !ee:e-8o(n/ m,/e!(, he!e (/(0 no/ 8!,c/(c, /o !,(n /hem o! (08 ,ce /he(! con/en/0 &!(n no!m,0h&/ o n.

e. On (ne0 (n h(ch /he v(0co0(/; o /he 8!oce00 &( ,/ /he co e,/he! e0( n/em8e!,/&!e oe0 no/ 8e!m(/ one-h, o /he no!m, o !,/e (/h /he,v,( , e he, o! 0/,!/(n c(!c& ,/(on.

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. D!,(n0 on >noc>o&/ 8o/0 (n ,0 com8!e00o! 0&c/(on (ne0 o! (n (ne0 /o&!n,ce &!ne!0 0ho& e !ev(e e on , c,0e- ;-c,0e ,0(0 /o e/e!m(nehe/he! (n0& ,/(on o! /!,c(n (0 !e7&(!e .

. On com8!e00o! 0&c/(on (ne0 !om >noc>o&/ 8o/0 /o com8!e00o!0 (nc & (n,n; 8& 0,/(on ,m8e!0.

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h. On 08,!e ev(ce09 0&ch ,0 ( /e!0 o! 0/!,(ne!0 /h,/ con/,(n h( h-8o&!-8o(n/ o!, h( h- !ee:e-8o(n/ m,/e!(, ,n h,ve no o o! 0( n( (c,n/ 8e!(o 0 o! he!eno m(n(m&m c(!c& ,/(on o (0 8!ov( e ,n 8!o &c/ (0 m,(n/,(ne (n /he (ne.

(. On 0,m8 e /,809 0,m8 (n 0;0/em09 ,n ( e!en/(, -8!e00&!e /!,n0m(//e!0 (ne/ ,0 o! v,8o! 0e!v(ce9 /he 8!(m,!; 8!o/ec/(on c!(/e!(on (0 no!m, ; /o

8!even/ con en0,/(on !,/he! /h,n /o ,vo( !ee:(n . D!; ,0 0e!v(ce0 0&ch,0 n(/!o en e 8o(n/ K -1"" C o! (n0/!&men/ ,(! e 8o(n/ K -+" C o no/!e7&(!e 0&ch 8!o/ec/(on.

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'. On 0e, 8o/0 ,n non- !,(n(n 8o!/(on0 o (ne09 0&ch ,0 oo8 0e, 09 &n e0008ec(, o8e!,/(n 8!ov(0(on0 ,!e m, e o! !,(n(n ,/ 0h&/ o n.

>. On 0;0/em0 con/,(n(n v,8o! m(0 /o /he 0e e!!,(n.

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m. On 0, e/; !e (e v, ve0 he!e /he (n e/ o! (0ch,! e (ne m,; ecome8 & e o! v(0co&0 &( 0 m( h/ con e, ,/ ,m (en/ /em8e!,/&!e. (>e (0e/he !e (e v, ve0 /hem0e ve0 0ho& e (n/e!(:e ( e(/he! /he (n e/ o!(0ch,! e 8(8(n (0 (n/e!(:e . P(8(n e/ een , !&8/&!e (0c ,n (/0 !e (ev, ve 0ho& e (n/e!(:e (n /he 0,me m,nne! ,0 /he (n e/ 8(8(n . $/ (08,!/(c& ,! ; (m8o!/,n/ /o (n/e!(:e /he 0en0(n (ne o! 8( o/ o8e!,/e !e (ev, ve0 ( /he; h,ve /he 8o/en/(, /o 8 & (n co e,/he!.

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n. Whe!e !e (e v, ve (0ch,! e0 ,!e o8en /o /he ,/mo08he!e9 !,(n c,80 ,nee8 ho e0 0ho& e 8!ov( e /o 8!even/ !,(n o! (ce ,cc&m& ,/(on o n0/!e,m o /he !e (e v, ve.

.2.3 Pr!#e%#$!n :$#' O#'er &e#'!()

On (ne0 /h,/ ,!e (n (n/e!m(//en/ 0e!v(ce9 1 , non !ee:(n &0h 0;0/em9 2 ,n ,(! o!n(/!o en o (n 8!oce &!e (/h nece00,!; ven/0 ,n !,(n09 o! 3 (n0& ,/(on com (ne(/h 0che & e (n/e!m(//en/ o 0ho& e con0( e!e ,0 , /e!n,/e0 /o he,/ /!,c(n .

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.3 a#er P$ $n

W,/e! 8(8(n 0ho& h,ve co e,/he! 8!o/ec/(on ( /he (n/e! e0( n /em8e!,/&!e (0e o "HC. Un e00 o/he! (0e 08ec( (e 9 /he o o (n 8!o/ec/(on me/ho 0 0ho& e &0e #

.3.1 Pr!#e%#$!n G,$(el$ne)

,. W(n/e!(:,/(on me/ho 0 0ho& e /,( o!e /o mee/ &/ no/ nece00,!( ; e


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. W,/e! (ne0 (/h con/(n&o&0 o 0 o ,/ e,0/ ".3 m?0 o no/ nee ,n; /;8e o!ee:e 8!o/ec/(on.

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7.0 PROTECTION OF E UIP&ENT

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e , ce!/,(n n&m e! o e !ee0 , ove /he !ee:e 8o(n/.

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. 4e,/ T!,c(nc. 4e,/(n Co( o! C(!c& ,/(on 4e,/e!

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7.3.3 4e,/ /!,c(n ,n (n0& ,/(on 0ho& e (n0/, e on 8&m80 ( /he &( ecome0 /oov(0co&0 /o e 8&m8e o! !ee:e0 ,/ /he co e,/he! e0( n /em8e!,/&!e h( eo (n .

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Winterization Design Guide

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Transcript of Winterization Design Guide