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RULES FOR CLASSIFICATION OF

DETNORSKEVERITASAS

The content of this service document is the subect of inte!!ectu"! #ro#ert$ ri%hts reserved b$ Det Nors&e Verit"s AS 'DNV() The user"cce#ts th"t it is #rohibited b$ "n$one e!se but DNV "nd*or its !icensees to offer "nd*or #erform c!"ssific"tion+ certific"tion "nd*orverific"tion services+ inc!udin% the issu"nce of certific"tes "nd*or dec!"r"tions of conformit$+ ,ho!!$ or #"rt!$+ on the b"sis of "nd*or#ursu"nt to this document ,hether free of ch"r%e or ch"r%e"b!e+ ,ithout DNV-s #rior ,ritten consent) DNV is not res#onsib!e for theconse.uences "risin% from "n$ use of this document b$ others)

The electronic pdf version of this document found through http://www.dnv.com is the officially binding version

Ships

/ART 0 C1A/TER 2

NE34UILDIN5S

6AC1INER7 AND S7STE6S 8 6AIN CLASS

/i#in% S$stems9UL7 :;

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FOREWORD

DNV is " %!ob"! #rovider of &no,!ed%e for m"n"%in% ris&) Tod"$+ s"fe "nd res#onsib!e business conduct is both " !icenseto o#er"te "nd " com#etitive "dv"nt"%e) Our core com#etence is to identif$+ "ssess+ "nd "dvise on ris& m"n"%ement) Fromour !e"din% #osition in certific"tion+ c!"ssific"tion+ verific"tion+ "nd tr"inin%+ ,e deve!o# "nd "##!$ st"nd"rds "nd best

#r"ctices) This he!#s our customers s"fe!$ "nd res#onsib!$ im#rove their business #erform"nce) DNV is "n inde#endentor%"nis"tion ,ith dedic"ted ris& #rofession"!s in more th"n

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'ules for "hips, (uly #)*+

t.+ -h. -H/N01" 2 -!''1N3 2 age 4

DETNORSKEVERITAS AS

CHANGES CURRENT

General

This document su#ersedes the 9u!$ :;

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t.+ -h. -ontents 2 age +

DETNORSKEVERITAS AS

CONTENTS

C1AN5ES 8 CURRENT ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ?

Sec* " General re+uire,en%s ************************************************************************************************************************ 5

A* Classi'ica%i&n******************************************************************************************************************************************************************5A

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t.+ -h. -ontents 2 age 5

DETNORSKEVERITAS AS

1 :;; C"#"cit$ "nd t$#es of bi!%e #um#in% units))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))):01 ?;; 4i!%e #um#in% "rr"n%ement)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) :B1 0;; SiJes of bi!%e suctions))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))):B1 B;; 4i!%e #i#es throu%h t"n&s "nd ho!ds))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) :21 2;; 4i!%e ,e!!s+ mud bo@es+ v"!ves etc) ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) :2

9* 6allas% sys%e, an4 4rainage &' %an3s ***********************************************************************************************************************-I

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t.+ -h. -ontents 2 age

DETNORSKEVERITAS AS

H* Hy4raulic sys%e,s *******************************************************************************************************************************************************8-1

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t.+ -h. -ontents 2 age 6

DETNORSKEVERITAS AS

A ?;; C"!cu!"tion of ,"!! thic&ness of #i#es bein% subect to intern"! #ressure )))))))))))))))))))))))))))))))))))))))))))))))))))))))))) BA 0;; Therm"! e@#"nsion stresses)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))20A B;; Document"tion of therm"! stress c"!cu!"tion))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))20A 2;; Stress c"!cu!"tion )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) 20A ;; /!"stic #i#es ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))2

6* /u,ps an4 Fans &r 6l&2ers*************************************************************************************************************************************** -14 destructive testin% )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

6* 6raing &' c&pper an4 c&pper all&ys ************************************************************************************************************************1!4

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t.+ -h. "ec.* 0eneral reuirements 2 age 7

DETNORSKEVERITAS AS

SECT9ON " GENERA; REU9REMENTS

A* Classi'ica%i&n

A "!! Applica%i&n

"!" The ru!es in this ch"#ter "##!$ to #i#in% s$stems for shi#s "nd b"r%es for the "ssi%nment of m"in c!"ss)"! Com#!i"nce ,ith the ru!es is re.uired for inst"!!"tions "nd e.ui#ment necess"r$ for #erformin% the m"infunctions %iven in /t)< Ch)< Sec)< A:;;)

"!8 The Ru!es %ive s$stem re.uirements "nd #rescribe minimum re.uirements for m"teri"!s+ desi%n+m"nuf"cture+ ins#ection "nd testin%)

6* De'ini%i&ns

6 "!! Ter,s

"!" Pipingis defined to inc!ude the fo!!o,in% com#onentsG

H #i#esH f!"n%es ,ith %"s&ets "nd bo!ts "nd other #i#e connectionsH e@#"nsion e!ementsH v"!ves+ inc!udin% h$dr"u!ic "nd #neum"tic "ctu"tors+ "nd fittin%sH h"n%ers "nd su##ortsH f!e@ib!e hosesH #um# housin%s)

"! piping systemis defined to inc!ude #i#in%+ "s ,e!! "s com#onents in direct connection to the #i#in%such "s #um#s+ he"t e@ch"n%ers+ ev"#or"tors+ inde#endent t"n&s etc) ,ith the e@ce#tion of m"in com#onentssuch "s ste"m "nd %"s turbines+ diese! en%ines+ reduction %e"rs "nd boi!ers)

For com#onents ,hich "re subect to intern"! #ressure "nd "re not inc!uded in the #i#in%+ the desi%nre.uirements in Ch) "##!$)

"!8 Classes of piping systems.For the #ur#ose of testin%+ t$#e of oint to be "do#ted+ he"t tre"tment "nd,e!din% #rocedure+ #i#in% is subdivided into three c!"sses "s indic"ted in T"b!e 4

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t.+ -h. "ec.* 0eneral reuirements 2 age 8

DETNORSKEVERITAS AS

C* D&cu,en%a%i&n

C "!! D&cu,en%a%i&n re+uire,en%s

"!" Document"tion sh"!! be submitted "s re.uired b$ T"b!e C< to C?G T"b!e C: "nd C? "re "##!ic"b!e on!$,hen DNV is "uthorised to issue IA// certific"tes)

"! For %ener"! re.uirements to document"tion+ inc!udin% definition of the Info codes+ see /t); Ch)? Sec)< Re%) ?B>

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t.+ -h. "ec.* 0eneral reuirements 2 age *)

DETNORSKEVERITAS AS

'b(ect )ocumentation type dditional description !nfo

dditional documentation for refrigeration systems:

Refri%er"tion m"chiner$room

;?; Arr"n%ement #!"n Sho,in% "!so "ccess*e@its A/

I:;; Refri%er"nt !e"&"%edetection

Sho,in% #osition of detectorsA/

S; /ressure dro#"n"!$sis

4"c& #ressure c"!cu!"tion "s #er Sec) 4?;2 "nd C?;BA/

E@h"ust %"s C!e"nin%s$stem for SO@

I:;; > Contro! "nd

monitorin% s$stemdocument"tion

Coverin% both c!e"nin% unit contro! "nd s"fet$

s$stems) A/

O#er"tion 6"nu"! O#er"tion m"nu"!

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t.+ -h. "ec.* 0eneral reuirements 2 age **

DETNORSKEVERITAS AS

"!# The #!"ns sh"!! be di"%r"mm"tic+ "nd sh"!! inc!ude the fo!!o,in% #"rticu!"rsGH outside di"meters "nd ,"!! thic&nesses of #i#esH m"teri"!s used in #i#es+ v"!ve bodies "nd fittin%sH #um# t$#e "nd c"#"cit$H t$#e of v"!ves "nd fittin%sH t$#e of e@#"nsion e!ementsH m"@imum ,or&in% #ressure+ if e@ceedin% b"r+ "nd tem#er"ture if e@ceedin% 2;MCH h$drost"tic test #ressure "fter inst"!!"tion on bo"rd+ ,here re.uired "ccordin% to Sec) E:;;)

For #!"stic #i#es sho,n in s$stem dr",in%s the fo!!o,in% inform"tion sh"!! be %ivenG

H fire endur"nce c!"ssH conductive or non>conductive %r"deH m"@imum ,or&in% #ressure "nd tem#er"ture)

"!( For #i#es conve$in% ste"m ,ith " tem#er"ture e@ceedin% 0;;MC+ the #!"ns sh"!! sho, #"rticu!"rs off!"n%es "nd bo!ts "nd det"i!s of ,e!ded oints ,ith s#ecific"tion of ,e!din% #rocedure "nd fi!!er met"!s) Forsubmitt"nce of c"!cu!"tions of therm"! e@#"nsion stresses+ see Sec) A0;;)

"!- Det"i!ed inform"tion on the inst"!!"tion #rocedures for #!"stic #i#es sh"!! be submitted for "##rov"!)

The document"tion sh"!! inc!ude inform"tion on oinin% #rocedure+ su##ortin%+ c!"m#in% "nd e@#"nsione!ements)

For inst"!!"tion in %"s h"J"rdous s#"ces the document"tion sh"!! "!so inc!ude inform"tion on e!ectric"! e"rthin%)

"!. The contro! "nd monitorin% s$stem for v"!ves "nd #um#s !isted in

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t.+ -h. "ec.# 9aterials 2 age *#

DETNORSKEVERITAS AS

SECT9ON MATER9A;S

A* /iping sys%e,s

A "!! General

"!" The m"teri"!s to be used in #i#in% s$stems sh"!! be suit"b!e for the medium "nd service for ,hich thes$stem is intended)

Gui4ance n&%e

The tr"dition"! st"in!ess stee!s+ inc!udin% t$#e ?

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t.+ -h. "ec.# 9aterials 2 age *4

DETNORSKEVERITAS AS

A -!! N&4ular cas% ir&n &' %he 'erri%icpearli%ic an4 pearli%ic %ype

-!" Nodu!"r c"st iron of the ferritic*#e"r!itic "nd #e"r!itic t$#e is in %ener"! subect to the !imit"tion of use "s%re$ c"st iron "s s#ecified in 0;;)

A .!! /las%ic pipes

.!" /!"stic #i#es used in s$stems "nd !oc"tions "ccordin% to T"b!e A< sh"!! meet the fire endur"nce

re.uirements s#ecified therein) The #ermitted use "nd the re.uirements for the #i#in% "re in conform"nce ,ithI6O Reso!ution A)B?'

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t.+ -h. "ec.# 9aterials 2 age *+

DETNORSKEVERITAS AS

Ta7le A" Fire en4urance re+uire,en%s ,a%ri?

Piping systems

,ocation

- C ) 0 1 ! 2 3

4ac

hineryspaces

of

category

'thermac

hinerys

paces

Cargopumprooms

Ro/

Rocargo

holds

'ther

drycargohol

ds

Cargo

tan5s

ue

loiltan5s

-al

lastwater

tan5s

Cof

ferdams6vo

idspaces6

pipe

tunnelan

ddu

cts

ccommodat

ionservice

andcontro

lspace

s

'pen

dec5s

CARGO F!"mm"b!e c"r%oes 'f!"sh #oint 2;MC(

< C"r%o !ines NA NA L< NA NA ; NA ;

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t.+ -h. "ec.# 9aterials 2 age *5

DETNORSKEVERITAS AS

A 1!! Ma%erial cer%i'ica%es

1!" The m"teri"!s used in #i#in% s$stems sh"!! be certified "nd documented "ccordin% to T"b!e A:) Fordefinitions re!"ted to the v"rious t$#es of document"tion of m"teri"! certific"tion+ see /t)< Ch)< Sec)0)

The re.uirements for m"teri"! certific"tion "nd document"tion concernin% #i#in% s$stems for chemic"! c"rriers"nd !i.uefied %"s c"rriers c"n be found in /t)B Ch)0 Sec):D "nd /t)B Ch)B Sec):E+ res#ective!$)

Gui4ance n&%e

The contro! "nd monitorin% s$stem for v"!ves "nd #um#s for s$stems !isted in Sec)< Cn>c>e>>>n>o>t>e>>>

A66RE@9AT9ONS AND FOOTNOTES 9N TA6;E A"

A77re0ia%i&ns

L< Fire endur"nce test in dr$ conditions+ 2; minutes+ A##endi@ < of I6O Res) A)B?'

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t.+ -h. "ec.# 9aterials 2 age *

DETNORSKEVERITAS AS

Ta7le A Ma%erial cer%i'ica%es

Component 4aterial Class ofpipingsystem

&ominaldiameter

$mm#

)esigntemperature

$%C#

Type of documentation

&8certificate

9or5scertificate

Testreport

/i#es

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t.+ -h. "ec.4 Design principles 2 age *6

DETNORSKEVERITAS AS

SECT9ON 8 DES9GN /R9NC9/;ES

A* Arrange,en%

A "!! /iping sys%e,s

"!" /i#in% s$stems sh"!! consist of #erm"nent!$ inst"!!ed #i#es "nd fittin%s su##orted in such " ,"$ th"t their,ei%ht is not t"&en b$ connected m"chiner$ or th"t he"v$ v"!ves "nd fittin%s do not c"use !"r%e "ddition"!stresses in "d"cent #i#es)

"! A@i"! forces due to intern"! #ressure+ ch"n%e in direction or cross>section"! "re" "nd movement of theshi# sh"!! be t"&en into consider"tion ,hen mountin% the #i#in% s$stem)

"!8 The su##ort of the #i#in% s$stem sh"!! be such th"t detriment"! vibr"tions ,i!! not "rise in the s$stem)

"!# 6et"!!ic #i#es sh"!! be connected b$ ,e!din% or br"Jin% in "ccord"nce ,ith Sec) A "nd 4 or b$det"ch"b!e connections in "ccord"nce ,ith Sec) E)

"!( /!"stic #i#es sh"!! be connected b$ ,e!din%+ %!uin%+ cementin%+ !"min"tion or simi!"r methods in"ccord"nce ,ith Sec) D or b$ "##roved det"ch"b!e connections in "ccord"nce ,ith Sec) E)

"!- Inst"!!"tion of #i#es for ,"ter+ ste"m or oi! behind or "bove e!ectric s,itchbo"rds sh"!! be "voided "s f"r

"s #ossib!e) If this is im#r"ctic"b!e+ "!! det"ch"b!e #i#e oints "nd v"!ves sh"!! be "t " s"fe dist"nce from thes,itchbo"rd or ,e!! shie!ded from it)

"!. 3"ter #i#es "nd "ir "nd soundin% #i#es throu%h freeJin% ch"mbers sh"!! be "voided)

Gui4ance n&%e

For s#eci"! re.uirements re%"rdin% "ir+ soundin% "nd ,"ter #i#es #enetr"tin% insu!"ted t"n& to#s+ see /t)B Ch)>>e>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

A !! Opera%i&n &' 0al0es

!" 3here v"!ves "re re.uired b$ the Ru!es to be re"di!$ "ccessib!e+ their contro!s "re to be !oc"ted in " s#"cenorm"!!$ entered ,ithout usin% too!sQ "nd "re to be #rotected from obstructions+ movin% e.ui#ment "nd hot

surf"ces th"t #revent o#er"tion or servicin%)! 3here remote!$ o#er"ted v"!ves "re re.uired b$ the Ru!es to "!so be "rr"n%ed for !oc"! m"nu"! o#er"tion+the ch"n%eover to m"nu"! o#er"tion sh"!! be sim#!e to e@ecute) This im#!ies th"t there sh"!! be no need to use"ddition"! too!s for remov"! of covers or simi!"r to %et "ccess to o#er"te the v"!ve m"nu"!!$)

!8 Se" suction "nd disch"r%e v"!ves !oc"ted in dr$ com#"rtments+ bi!%e v"!ves "nd v"!ves on the fue! oi! "nd!ubric"tin% oi! t"n&s ,hich "re situ"ted hi%her th"n the doub!e bottom t"n&s+ sh"!! be "rr"n%ed for !oc"! m"nu"!o#er"tion)

Gui4ance n&%e

3here h$dr"u!ic"!!$ "ctu"ted se" suction "nd disch"r%e v"!ves "re !oc"ted in the en%ine room+ " h"nd #um# re"d$ foruse fitted to e"ch "ctu"tor is considered "cce#t"b!e "s !oc"! m"nu"! o#er"tion)

>>>e>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

!# For remote!$ o#er"ted v"!ves+ f"i!ure in v"!ve contro! s$stem sh"!! not c"useGH O#enin% of c!osed v"!vesH C!osin% of v"!ves th"t need to rem"in o#en to m"int"in #ro#u!sion "nd #o,er %ener"tion)

!( A!! v"!ves in c"r%o "nd b"!!"st t"n&s ,hich "re h$dr"u!ic"!!$ or #neum"tic"!!$ contro!!ed "re "!so to be"rr"n%ed for m"nu"! o#er"tion+ e)%) ,ith " h"nd #um# connected to the contro! s$stem)

!- S#ind!es of se" suction v"!ves+ disch"r%e v"!ves be!o, the !o"d !ine+ emer%enc$ bi!%e v"!ves in en%inerooms "nd b!o, do,n disch"r%e v"!ves sh"!! e@tend "bove the f!oor #!"tes or b$ other me"ns be e"si!$"ccessib!e "nd visib!e)

For vesse!s ,ith c!"ss not"tion E0see "!so /t)? Ch)? Sec)2)

!. Remote!$ contro!!ed v"!ves sh"!! be #rovided ,ith indic"tions for o#en "nd c!osed v"!ve #ositions "t thecontro! st"tion)

In c"ses ,here #ossibi!it$ of !oc"! m"nu"! o#er"tion is re.uired in "ddition to the remote contro!+ me"ns ofobservin% the v"!ve #osition "t the v"!ve !oc"tion sh"!! be #rovided)

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t.+ -h. "ec.4 Design principles 2 age *7

DETNORSKEVERITAS AS

A 8!! @al0es &n shipIs si4es an4 7&%%&,

8!" A!! se" in!et "nd overbo"rd disch"r%e #i#es sh"!! be fitted ,ith e"si!$ "ccessib!e v"!ves or coc&s secureddirect to the she!! or se" chest)

Scu##ers "nd s"nit"r$ disch"r%es sh"!! be "rr"n%ed in "ccord"nce ,ith /t)? Ch)? Sec)2 K+ "s "##!ic"b!e)

8! If it is im#r"ctic"! to fit the v"!ves or coc&s direct!$ to the she!! or se" chest+ dist"nce #ieces of stee! m"$be "cce#ted) These sh"!! be m"de "s short+ ri%id constructions+ "nd sh"!! not be of " thic&ness !ess th"n %iven

in /t)? Ch)? Sec)2 K) The dist"nce #iece is to e@tend throu%h the she!! #!"tin% or se" chest+ "nd is to be ,e!dedon both sides or ,ith fu!! #enetr"tion ,e!din%)

If v"!ves "re bo!ted to #"ds on the shi# side+ the #"ds "re to be ,e!ded to the shi# side "s described for dist"nce#ieces "bove)

8!8 For vesse!s ,ith doub!e side "nd*or bottom+ the fo!!o,in% re.uirements "##!$G

"( The v"!ve m"$ be fitted to the inbo"rd t"n& bound"r$)

b( The #i#e ,"!! thic&ness bet,een side "nd bottom "nd inner bound"r$ sh"!! be minimum c!osin% t$#e)Indic"tion of o#en "nd c!osed #osition of the v"!ves "nd coc&s sh"!! be #rovided)

#!( The f"stenin% of fittin%s+ #i#es+ etc) to bu!&he"ds or tunne! #!"tin% b$ usin% bo!ts #"ssin% throu%h c!e"rin%ho!es in the #!"tin% ,i!! not be "cce#ted)

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t.+ -h. "ec.+ "hip piping systems 2 age *8

DETNORSKEVERITAS AS

SECT9ON # SH9/ /9/9NG SSTEMS

A* General

A "!! Applica%i&n

"!" The ru!es in this section "##!$ to shi# #i#in% s$stems for "!! shi#s to be "ssi%ned m"in c!"ss)Addition"! re.uirements for #i#in% s$stems for c"r%o h"nd!in% "re %iven in /t)B Ch)?+ /t)B Ch)0 "nd /t)B Ch)B)Re.uirements for s"nit"r$ disch"r%es "nd scu##ers+ see /t)? Ch)? Sec)2)

For "ddition"! re.uirements for dr"in"%e "nd #i#in% s$stems in #"ssen%er shi#s "nd ferries+ see /t)B Ch):+ "ndfor fishin% vesse!s+ see /t)B Ch)2) For re.uirements for "v"i!"bi!it$ of dr"in"%e from for,"rd s#"ces on bu!&c"rriers+ see /t)B Ch): Sec)B E:;;)

"! /"ssen%er shi#s "re in "ddition to the re.uirements in this section to com#!$ ,ith the Intern"tion"!Convention for S"fet$ of Life "t Se"+ return v"!ves in series sh"!! be inst"!!ed bet,een se" or b"!!"st s$stem "nd bi!%e suctions incom#"rtments)

! For direct "nd emer%enc$ bi!%e suctions in the m"chiner$ s#"ce one non>return v"!ve bet,een se" orb"!!"st s$stem "nd these suctions ,i!! be "cce#t"b!e)

!8 4i!%e distribution chest v"!ves sh"!! be scre,>do,n non>return v"!ves)

!# A!! direct bi!%e suctions+ "nd br"nch suctions not !e"din% to " bi!%e distribution chest sh"!! be fitted ,ithscre,>do,n non>return v"!ves)

!( If eectors "re used for dr"in"%e of c"r%o ho!ds the re.uirement in :;< m"$ be dis#ensed ,ith #rovidedthe "rr"n%ement %ives e.uiv"!ent s"fet$ "%"inst in%ress of ,"ter)

!- 4i!%e #i#es throu%h dee# t"n&s+ see 1B;:)

C* Drainage &' carg& h&l4s

C "!! General

"!" One bi!%e suction is norm"!!$ to be fitted to e"ch side of e"ch c"r%o ho!d) 3here the rise of the c"r%oho!d f!oor is more th"n Bone suction ne"r the centre !ine m"$ be "cce#ted)

"! Shi#s ,ith one c"r%o ho!d sh"!! h"ve suctions "s re.uired in

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t.+ -h. "ec.+ "hip piping systems 2 age #)

DETNORSKEVERITAS AS

"!# C"r%o ho!ds for dr$ c"r%o in bu!& sh"!! be #rovided ,ith "rr"n%ement %ivin% s"tisf"ctor$ dr"in"%e ,henbu!& c"r%oes "re c"rried)

Dr"in"%e "rr"n%ement for fishin% vesse!s bui!t for c"rr$in% fish in bu!&+ see /t)B Ch)2)

Dr"in"%e from refri%er"ted c"r%o s#"ces sh"!! com#!$ ,ith the re.uirements for c!"ss not"tion Reefer+ see /t)BCh)n>c>e>>>n>o>t>e>>>

D* Drainage &' carg& 4ec3 spaces

D "!! General

"!" A!! c"r%o dec&s sh"!! h"ve "n "##ro#ri"te number of dr"in"%e o#enin%s on e"ch side of the vesse!+ for thedr"in"%e of sm"!! !e"&s)

"! C"r%o dec&s ,ith " !en%th of !ess th"n ; m sh"!! h"ve minimum one dr"in"%e on e"ch side in the for,"rd"nd "ft end) For c"r%o dec&s ,ith !en%th "bove ; m one "ddition"! dr"in"%e on e"ch side ,ithin the midd!eB; of the !en%th sh"!! be "rr"n%ed)

"!8 The tot"! dr"in"%e c"#"cit$ of e"ch #"rt of the dec& "s defined in :;; sh"!! h"ve " c"#"cit$ %re"ter th"nthe .u"ntit$ of ,"ter su##!ied from t,o noJJ!es 'four noJJ!es from c"r%o s#"ces intended for c"rri"%e ofd"n%erous %oods()

"!# 3here the si!! of "n$ c"r%o or service door is be!o, the u##ermost !o"d !ine+ see /t)? Ch)? Sec)2)

"!( The cross section"! "re" of e"ch dr"in"%e o#enin% sh"!! not be !ess th"n th"t corres#ondin% to " #i#edi"meter of s#r"$in% s$stem or " hi%h>e@#"nsionfo"m s$stem+ dr"in"%e o#enin%s sh"!! be "rr"n%ed "s fo!!o,sG

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t.+ -h. "ec.+ "hip piping systems 2 age #*

DETNORSKEVERITAS AS

The c"r%o dec& "re" sh"!! be divided into 0 "re"s+ : on e"ch side of the shi#) One "re" sh"!! cover the for,"rdh"!f of the dec& !en%th+ "nd the other sh"!! cover the "ft h"!f of the dec& !en%th) E"ch of the four c"r%o dec&"re"s sh"!! h"ve t,o or more dr"in"%e o#enin%s ,ith " combined c"#"cit$ "t !e"st e.u"! to the tot"! c"#"cit$ ofthe ,"ter>s#r"$in% s$stem or the hi%h>e@#"nsion fo"m s$stem) For the !"tter+ the tot"! c"#"cit$ of the dr"in"%eo#enin%s sh"!! be determined considerin% the ,"ter content of the hi%h>e@#"nsion fo"m on!$)

1o,ever+ the dr"in"%e c"#"cit$ is in no c"se to be !ess th"n th"t %iven in c!osin% v"!ve "t the bu!&he"d or dec&+ or " v"!ve th"t c"n be c!osed from "bove the dee# !o"d!ine) The v"!ve sh"!! h"ve "n indic"tion for the o#en "nd the c!osed #osition)

"!# /i#e "nd sh"ft tunne!s of !en%th %re"ter th"n ?B m sh"!! h"ve suctions in fore "nd "fter ends)

E !! Spaces &%her %han carg& spaces 'i%%e4 2i%h au%&,a%ic 2a%er sprin3ler sys%e,s

!" S#"ces fitted ,ith "utom"tic s#rin&!er s$stems sh"!! be #rovided ,ith dr"in"%e "rr"n%ements ,ith "

c"#"cit$ "t !e"st e.u"! to the s#rin&!er s$stem "ssumin% "!! noJJ!es in the s#"ce "re in o#er"tion)

! The re.uirement in :;< m"$ be e@em#ted from u#on consider"tions of st"bi!it$)

F* Drainage &' ,achinery spaces &' ca%eg&ry A

F "!! General

"!" The bi!%e dr"in"%e "rr"n%ements in the m"chiner$ s#"ce sh"!! com#!$ ,ith re.uirements %iven in 4) Itshou!d be #ossib!e to #um# out "n$ ,"ter enterin% the com#"rtment throu%h "t !e"st t,o bi!%e suctions ,henthe shi# is on "n even &ee!+ "nd is either u#ri%ht or h"s " !ist of not more th"n BM) One of these suctions sh"!! be" br"nch bi!%e suction+ i)e) " suction connected to the m"in bi!%e !ine+ "nd the other sh"!! be " direct bi!%esuction+ i)e) " suction !ed direct!$ to "n inde#endent #o,er #um#)

To obt"in this the bi!%e suctions shou!d be "rr"n%ed "s s#ecified in :;;+ ?;; "nd 0;;)

F !! 6ranch 7ilge suc%i&ns

!" At !e"st three br"nch bi!%e suctions sh"!! be fitted) The suctions sh"!! be "rr"n%ed for,"rd "nd "ft "t both

d >>>>>>>>>>>>>>>>>>>>>>> 'mm(

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t.+ -h. "ec.+ "hip piping systems 2 age #+

DETNORSKEVERITAS AS

Gui4ance n&%e

It is "dvised th"t "t !e"st one of the bi!%e #um#s be of the reci#roc"tin% t$#e)


!( 3here !"r%e centrifu%"! #um#s "re bein% used for bi!%e dr"in"%e+ the #um# ch"r"cteristics to%ether ,ithc"!cu!"tions of the #ressure !osses in the #i#e s$stem sh"!! be submitted for "##rov"! in those c"ses ,here the,"ter ve!ocit$ in the m"in bi!%e !ine ,i!! e@ceed B m*s) Arr"n%ement #!"ns of s$stems for "ir ev"cu"tion+coo!in% of be"rin%s+ etc) sh"!! be submitted for "##rov"!)

Gui4ance n&%e

Centrifu%"! #um#s much !"r%er th"n s#ecified b$ T"b!e 1< 'for " %iven bi!%e m"in di"meter( shou!d #refer"b!$ not beused "s bi!%e #um#s)


H 8!! 6ilge pu,ping arrange,en%

8!" A!! bi!%e #um# connections to the m"in bi!%e !ine sh"!! be fitted ,ith sto# v"!ves)

8! The bi!%e #um#s sh"!! be so "rr"n%ed th"t either c"n be used ,hi!e the other is bein% overh"u!ed)

8!8 The direct bi!%e suctions from m"chiner$ s#"ces sh"!! be so "rr"n%ed th"t the$ c"n be used "t the s"metime "s the other bi!%e #um#in% unit is dr",in% from the m"in bi!%e !ine)

8!# Centrifu%"! bi!%e #um#s sh"!! be !oc"ted "s !o, "s #ossib!e in the shi#)

8!( Centrifu%"! bi!%e #um#s sh"!! be "rr"n%ed in such " ,"$ th"t "n$ suction !ine is not !ed throu%h moreth"n t,o non>return v"!ves+ #refer"b!$ not more th"n one)

H #!! Sies &' 7ilge suc%i&ns#!" The intern"! di"meter of the m"in bi!%e suction !ine sh"!! not be !ess th"n %iven b$ the fo!!o,in% formu!"+to the ne"rest B mmG

L !en%th of shi# 'm(

4 bre"dth of shi# 'm(

D de#th of shi# to bu!&he"d dec& 'm()

"s defined in /t)? Ch)section"! "re" of the #i#e to be !ess th"n t,ice the "re" re.uired for br"nch bi!%e suction #i#es in en%inerooms+ see 0;?)

#!8 The intern"! di"meter of br"nch bi!%e suctions to c"r%o ho!ds+ m"chiner$ "nd boi!er s#"ces sh"!! not be

Ta7le H" /ipe 4ia,e%er an4 c&rresp&n4ing 7ilge pu,p capaci%y-ore of bilge pipe

$mm#Capacity of each pump

$m3/hour#-ore of bilge pipe

$mm#Capacity of each pump

$m3/hour#

B;BB2;2B;B;B;B

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t.+ -h. "ec.+ "hip piping systems 2 age #5

DETNORSKEVERITAS AS

!ess th"n sti#u!"ted b$ the fo!!o,in% formu!"+ to the ne"rest B mmG

l !en%th of com#"rtment 'm()

4 "nd D "s %iven in 0;

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t.+ -h. "ec.+ "hip piping systems 2 age #

DETNORSKEVERITAS AS

9 8!! 6allas% Wa%er Manage,en% Sys%e,s

8!" Shi#s ,ith b"!!"st ,"ter tre"tment s$stems inst"!!ed in order for shi#s to meet the re.uirements of the4"!!"st 3"ter 6"n"%ement Convention sh"!! fo!!o, the re.uirements of /t)2 Ch)

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DETNORSKEVERITAS AS

""" The ends of the "ir #i#es sh"!! be so desi%ned or so !oc"ted th"t in%ress of ,"ter is #revented) 3here"utom"tic vent he"ds ,ith b"!! f!o"ts or simi!"r devices "re fitted+ the$ sh"!! be of "n "##roved desi%n)

"" Air #i#es for t"n&s cont"inin% he"ted fue! sh"!! com#!$ ,ith Sec)B Ddr"inin% under norm"! conditions of trim)""- Air #i#es for t"n&s sh"!! not be used "s #rim"r$ me"ns for soundin%)

: !! Sec%i&nal area &' air pipes

!" For t"n&s ,hich c"n be #um#ed u# "nd for ,hich overf!o, #i#es "re not "rr"n%ed+ the section"! "re" of"ir #i#es sh"!! be dimensioned such th"t the structure is "b!e to ,ithst"nd the #ressure ,hen the t"n& is over>

#um#ed ,ith the !"r%est "v"i!"b!e #um#)

Document"tion of c"!cu!"ted #ressure dro#s in "ir #i#es for ,"ter overf!o, sh"!! be submitted) The c"!cu!"tionssh"!! verif$ th"t the d$n"mic #ressure incre"se durin% ,"ter overf!o, does not e@ceed #d$n'see /t)? Ch)#ressure "!"rm ,i!! be re.uired)The "!"rm shou!d be "ctiv"ted #rior to sto# of #um#s or c!osin% of v"!ve) Arr"n%ements for function"! testin% of the"utom"tic sto# or c!osin% "nd "!"rm s$stems shou!d be #rovided)


Gui4ance n&%e

For short "ir #i#es of the %oosenec& t$#e " m"@imum ,"ter ve!ocit$ of 0 m*s is norm"!!$ "cce#t"b!e) If "n "utom"tict$#e "irvent he"d is fitted+ the f!o, resist"nce is incre"sed "nd the ,"ter ve!ocit$ must be !o,er)


! For t"n&s th"t "re fi!!ed from inst"!!"tions outside the vesse! 'e)%) bun&er fue! t"n&s( "nd not fitted ,ithoverf!o, #i#es+ the section"! "re" of "ir #i#es sh"!! not be !ess th"n

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DETNORSKEVERITAS AS

"!tern"tive!$ individu"! t"n& overf!o, !ines must be "rr"n%ed ,ith !oo#s e@tendin% "bove the ,"ter!ine)


8!- The overf!o, #i#es sh"!! be se!f>dr"inin% under norm"! conditions of trim "nd "mbient tem#er"ture)

: #!! Sec%i&nal area &' &0er'l&2 pipes

#!" The section"! "re" of overf!o, #i#es sh"!! be dimensioned in "ccord"nce ,ith the re.uirements in :;c!osin% coc&s h"vin% c$!indric"! #!u%s ,ith,ei%ht>!o"ded !evers #erm"nent!$ "tt"ched)

d( Sm"!! test coc&s "re fitted be!o, the se!f>c!osin% coc&s)

For fue! oi! t"n&s "bove doub!e bottom short soundin% #i#es m"$ be #ermitted on the s"me conditions #rovidedth"t in "ddition the t"n&s "re fitted ,ith "n "##roved oi! !eve! %"u%e)

(!# Short soundin% #i#es to t"n&s not intended for oi! m"$ be fitted ,ith " scre, c"# "tt"ched b$ ch"in to the#i#e or ,ith shut>off coc&s)

Such "rr"n%ement m"$ "!so be "cce#ted for !ubric"tion oi! t"n&s "nd h$dr"u!ic oi! t"n&s ,hich c"nnot be #um#edu# "nd for fue! oi! dr"in t"n&s !ess th"n : m3,hich c"nnot be #um#ed u#)

: -!! O%her le0el in4ica%ing 4e0ices

-!" Oi! !eve! indic"tin% devices of "##roved t$#e m"$ be inst"!!ed in !ieu of soundin% #i#es+ #rovided"de.u"te me"ns to #revent re!e"se of oi! in c"se of f"i!ure or overfi!!in% "re fitted)

-! F!"t %!"ss t$#e %"u%e %!"sses or m"%netic !eve! indic"tors c"n be inst"!!ed "s " me"ns of !eve! indic"tionfor t"n&s cont"inin% f!"mm"b!e f!uids) The$ "re to be fitted ,ith " se!f>c!osin% v"!ve "t e"ch end+ "nd "re to be

#rotected "%"inst mech"nic"! d"m"%e)

-!8 Other oi! !eve! indic"tin% devices "nd !eve! s,itches+ ,hich #enetr"te be!o, the t"n& to#+ m"$ be used+#rovided the$ "re cont"ined in " stee! enc!osure or other enc!osures not bein% c"#"b!e of bein% destro$ed b$ fire)

-!# In #"ssen%er shi#s+ no oi! !eve! indic"tin% devices re.uirin% #enetr"tions be!o, the to# of the t"n& "re#ermitted)

-!( O#en soundin% s$stem ,i!! not be "!!o,ed for oi! fue! t"n&s ,hich c"n be he"ted u# to "bove B;MC)

-!- Remote soundin% s$stem of "##roved t$#e m"$ re#!"ce ordin"r$ soundin% #i#es or %"u%es "s fo!!o,sG

"( For t"n&s e"si!$ "ccessib!e for chec&in% of !eve! throu%h for e@"m#!e m"nho!es+ one remote soundin%s$stem m"$ be "cce#ted)

b( For t"n&s not "!,"$s "ccessib!e for chec&in% of !eve!+ t,o inde#endent remote soundin% s$stems "re

re.uired) In the c"se of remote soundin% b"sed on the "ir>bubb!e #rinci#!e+ t,o "ir bubb!e !ines #er t"n&m"$ be "cce#ted)

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DETNORSKEVERITAS AS

: .!! Sec%i&nal area &' s&un4ing pipes

.!" The intern"! di"meter of soundin% #i#es sh"!! not be !ess th"n ?: mm) For he"v$ fue! oi! t"n&s the intern"!di"meter sh"!! not be !ess th"n B; mm)

: 1!! Air an4 s&un4ing pipes %hr&ugh re'rigera%e4 spaces

1!" Air "nd soundin% #i#es throu%h refri%er"ted c"r%o s#"ces+ see /t)B Ch)

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t.+ -h. "ec.5 9achinery piping systems 2 age 4)

DETNORSKEVERITAS AS

SECT9ON ( MACH9NER /9/9NG SSTEMS

A* General

A "!! Re4un4ancy an4 capaci%y

"!" For definition of redund"nc$+ see Ch),"ter coo!in% #um#s sh"!! be inst"!!ed "s !o, "s #ossib!e in the shi# or other me"ns sh"!!be #rovided to #revent+ "s f"r "s #r"ctic"b!e+ th"t the #um#s !ose ,"ter in " se","$)

"! For s$stems usin% fue! oi! "s " coo!in% "%ent+ re.uirements in D "re "!so "##!ic"b!e)

6 !! C&&ling 2a%er supply

!" For #ro#u!sion s$stems ,ith "n out#ut of 0;; &3 or !ess+ en%ine>driven bi!%e #um#s c"n be used "sst"ndb$ coo!in% ,"ter #um#s)

! For "u@i!i"r$ en%ines ,ith en%ine>driven se" ,"ter coo!in% #um#s " com#!ete s#"re #um# re"d$ formountin% sh"!! be de!ivered ,ith the shi#) If "t !e"st ? "u@i!i"r$ en%ines "re inst"!!ed+ e"ch ,ith sufficientout#ut for norm"! o#er"tion "t se"+ the re.uirement re%"rdin% " s#"re #um# is ,"ived)

!8 For ste"m>driven #ro#u!sion #!"nts the coo!in% ,"ter #um#s for the m"in condenser sh"!! be "rr"n%ed,ith bui!t in redund"nc$+ to "t !e"st ?; c"#"cit$)

!# For condenser inst"!!"tions ,ith scoo# coo!in%+ " st"ndb$ coo!in% ,"ter #um# ,ith "t !e"st ?; c"#"cit$sh"!! be inst"!!ed) In "ddition the !"r%est of the rem"inin% se" ,"ter #um#s in the m"chiner$ sh"!! be "rr"n%edfor emer%enc$ su##!$ of coo!in% ,"ter to the m"in condenser)

!( If coo!in% ,"ter is used for he"tin% of oi!+ the s$stem sh"!! be "rr"n%ed to "void cont"min"tion of the

coo!in% ,"ter) For this #ur#ose the he"tin% coi!s sh"!! be !oc"ted on the #ressure side of the coo!in% #um#s)A!tern"tive!$ " #rim"r$ "nd second"r$ s$stem "rr"n%ement m"$ be used) In the c"se of direct he"tin% thehe"tin% coi!s sh"!! be "!! ,e!ded ,ith no det"ch"b!e connections ,here mi@in% of oi! "nd ,"ter m"$ occur)

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t.+ -h. "ec.5 9achinery piping systems 2 age 4*

DETNORSKEVERITAS AS

6 8!! Sea inle%s '&r c&&ling 2a%er pu,ps

8!" Se">,"ter coo!in% s$stems for the m"in "nd "u@i!i"r$ m"chiner$ sh"!! be connected to "t !e"st t,ocoo!in% ,"ter in!ets+ #refer"b!$ on o##osite sides of the shi#)

Gui4ance n&%e

The in!ets m"$ be "rr"n%ed "s hi%h "nd !o, suctions)


8! Strums sh"!! be fitted to "!! se" chest o#enin%s in the she!! #!"tin%) The tot"! "re" of the strum ho!es sh"!!be "t !e"st t,ice the tot"! f!o, "re" in the se" ,"ter in!et v"!ves)

8!8 3here se" ,"ter is used for coo!in% the m"in en%ines or "u@i!i"r$ en%ines+ the coo!in% ,"ter+ suction!ines sh"!! be #rovided ,ith str"iners ,hich c"n be c!e"ned ,ithout interru#tin% the coo!in% ,"ter su##!$)

8!# Re%"rdin% se" in!ets see Sec)? A?;;)

8!( Re%"rdin% se" chest "rr"n%ements for shi#s h"vin% "ddition"! c!"ss not"tions for n"vi%"tion in ice+ see/t)B Ch)n>c>e>>>n>o>t>e>>>

!8 For diese! en%ines burnin% residu"! oi! fue!+ c!e"nin% of the !ubric"tion oi! b$ me"ns of #urifiers sh"!! be"rr"n%ed) These me"ns "re "ddition"! to the fi!ters re.uired in :;out times such "s ste"m turbines sh"!! be #rovided ,ith "s"tisf"ctor$ emer%enc$ su##!$ of !ubric"tin% oi! in c"se of !o, oi! #ressure) This emer%enc$ su##!$ sh"!! beinde#endent of #o,er from the m"in s,itchbo"rd) The emer%enc$ su##!$ m"$ be t"&en from " %r"vit$ t"n&cont"inin% sufficient oi! to m"int"in "de.u"te !ubric"tion unti! the en%ines come to rest)

C (!! Re,&%e shu%B&'' arrange,en% '&r lu7rica%ing &il %an3s

(!" V"!ves on !ubric"tin% oi! t"n&s sh"!! be "rr"n%ed ,ith .uic&>"ctin% shut>off v"!ves "s out!ined in DB;n>c>e>>>n>o>t>e>>>

#! A!! v"!ves "nd coc&s on oi! t"n&s sh"!! be mounted "nd #rotected in such " ,"$ th"t the$ c"nnot bed"m"%ed "s the resu!t of "n "ccident) The #ositionin% of v"!ves sh"!! be such th"t "n$ #ossib!e !e"&"%e ,i!! not!e"d to oi! s#r"$ on boi!ers+ e@h"ust #i#es or other hot surf"ces of the m"chiner$+ or on e!ectric motors "nd"##!i"nces)

#!8 In mu!ti>en%ine inst"!!"tions+ ,hich "re su##!ied from the s"me fue! source+ me"ns of iso!"tin% the fue!su##!$ "nd s#i!! #i#in% to individu"! en%ines sh"!! be #rovided) The me"ns of iso!"tion sh"!! not "ffect theo#er"tion of the other en%ines+ "nd sh"!! be o#er"b!e from " #osition not rendered in"ccessib!e b$ " fire on "n$of the en%ines)

#!# A!! v"!ves in the fue! oi! s$stem sh"!! be contro!!"b!e from #ositions "bove the f!oor #!"tes)

D (!! Re,&%ely c&n%r&lle4 shu%B&'' arrange,en% '&r 'uel &il %an3s

(!" In m"chiner$ s#"ces+ fue! oi! v"!ves on t"n&s sh"!! be .uic&>"ctin% shut>off v"!ves+ "rr"n%ed for remoteo#er"tion) This remote o#er"tion sh"!! be c"rried out from " centr"! #osition outside the s#"ce itse!f+ "nd "t "s"fe dist"nce from o#enin%s to the en%ine "nd boi!er rooms)

(! Oi! fue! #i#es+ ,hich "re !ed into the en%ine room from t"n&s situ"ted "bove the doub!e bottom outsidethis s#"ce+ "re "!so to be fitted ,ith .uic&>"ctin% shut>off v"!ves in the en%ine room c!ose to the bu!&he"d) Thisis not "##!ic"b!e ,here the v"!ve on the t"n& is "rr"n%ed for .uic& "ctin% shut>off)

(!8 The re.uirement for remote shut>off is not "##!ic"b!e for v"!ves c!osed durin% norm"! service+ v"!ves ondoub!e bottom t"n&s or v"!ves on t"n&s !ess th"n ;)B m?) For v"!ves on fi!!in% !ines connected be!o, the !i.uid!eve!+ remote shut>off m"$ be omitted if non>return v"!ves "re used)

(!# The me"ns used to o#er"te the .uic& "ctin% shut>off v"!ves sh"!! be inde#endent of "n$ #o,er sources!oc"ted in the s"me s#"ce "s the v"!ves) For " #neum"tic"!!$ o#er"ted s$stem+ the "ir su##!$ m"$ be from "

source !oc"ted ,ithin the s"me s#"ce "s the v"!ves #rovided th"t "n "ir receiver com#!$in% ,ith the fo!!o,in%is !oc"ted outside the s#"ceG

H Sufficient c"#"cit$ to c!ose "!! connected v"!ves t,ice)H Fitted ,ith !o, "ir #ressure "!"rm)H Fitted ,ith " non>return v"!ve "d"cent to the "ir receiver in the "ir su##!$ !ine)

6"teri"!s re"di!$ rendered ineffective b$ he"t "re not to be used in the construction of the v"!ves or the c!osuremech"nism)

(!( The contro!s for remote shut>off for emer%enc$ %ener"tor "nd emer%enc$ fire #um# sh"!! be !oc"tedse#"r"te!$ from the contro!s of the other v"!ves in order to "void erroneous o#er"tion)

(!- The "rr"n%ement sh"!! be such th"t #"int+ corrosion etc) ,i!! not im#"ir the efficienc$ of the remoteo#er"tion of the v"!ves)

(!. The use of h$dr"u!ic or #neum"tic s$stems for &ee#in% .uic&>"ctin% shut>off v"!ves in o#en #osition ,i!!not be "cce#ted)

D -!! Fuel &il prehea%ers

-!" As re%"rds e!ectric oi! he"ters+ see Ch))

D .!! Fuel &il preB%rea%,en% arrange,en%

.!" Fi!ters sh"!! be fitted in the su##!$ !ines to the m"in "nd "u@i!i"r$ m"chiner$) These sh"!! be "rr"n%ed insuch " ,"$ th"t the$ c"n be c!e"ned ,ithout interru#tin% the su##!$ of fue! oi!)

.! For "u@i!i"r$ en%ines one sin%!e fue! oi! fi!ter for e"ch en%ine m"$ be "##roved)

.!8 Fue! su##!$ for diese! en%ines burnin% residu"! oi! fue! 'he"v$ fue!( or mi@tures cont"inin% such oi!s sh"!!

be #rovided ,ith suit"b!e me"ns for remov"! of h"rmfu! cont"min"nts) These me"ns "re "ddition"! to the fi!tersre.uired in ;

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t.+ -h. "ec.5 9achinery piping systems 2 age 4+

DETNORSKEVERITAS AS

D 1!! @ari&us re+uire,en%s

1!" Sett!in% t"n&s "nd d"i!$ service t"n&s sh"!! be fitted ,ith me"ns for dr"inin% of ,"ter from the bottom ofthe t"n&s)

1! O#en dr"ins for removin% ,"ter from oi! t"n&s sh"!! be fitted ,ith se!f>c!osin% v"!ves or coc&s+ "ndme"ns sh"!! be #rovided for co!!ectin% "!! ,"ste oi! in c!osed t"n&s)

1!8 For #ro#u!sion #!"nts !ess th"n 0;; &3 " h"nd #um# c"n be "cce#ted "s second me"ns for #um#in% u# the d"i!$service t"n&)

1!# The oi! burners sh"!! be so "rr"n%ed th"t the$ c"nnot be ,ithdr",n un!ess the oi! su##!$ to the burners iscut off)

1!( For "u@i!i"r$ boi!ers ,here the inst"!!"tion of t,o se#"r"te burner units is im#ossib!e+ the use of one unitm"$ be "cce#ted on the condition th"t necess"r$ s#"re #"rts "re #rovided)

1!- For vesse!s ,ith c!"ss not"tion E0+ f!o,meters in fue! oi! !ines sh"!! be #rovided ,ith b$#"ss"rr"n%ements) F!o,meters of #ositive dis#!"cement t$#e sh"!! be fitted ,ith me"ns #reventin% immedi"te !ossof fue! su##!$ in c"se of b!oc&"%e if this ,i!! !e"d to !oss of #ro#u!sion #!"nt or "u@i!i"r$ #o,er)

E* Ther,al &il sys%e,s

E "!! Sys%e, arrange,en%s

"!" Therm"! oi! s$stems sh"!! be "rr"n%ed "nd inst"!!ed in "ccord"nce ,ith re.uirements %iven in Ch))

F* Fee4 2a%er an4 c&n4ensa%e sys%e,s

F "!! Fee4 2a%er pu,ps

"!" Feed ,"ter #um#s inst"!!ed to meet the ru!e re.uirements to redund"nc$ sh"!! be inde#endent!$ driven)

F !! Fee4 2a%er piping

!" If feed,"ter #rehe"ters "re fitted in feed ,"ter !ines b$>#"ss "rr"n%ements sh"!! be #rovided en"b!in%

re#"ir of " he"ter ,ithout interru#tin% the feed ,"ter su##!$)

! Feed ,"ter #i#in% sh"!! be fitted ,ith v"!ves "t the boi!er in!et+ "s st"ted in Ch) Sec)2)

F 8!! Fee4 2a%er hea%ing

8!" For ste"m boi!ers ,ith desi%n #ressure "bove b"r "rr"n%ements for #rehe"tin% "nd de"er"tion of thefeed,"ter before enterin% the boi!er sh"!! be #rovided)

The #rehe"tin% "rr"n%ement sh"!! be c"#"b!e of m"int"inin% the tem#er"ture "bove ;MC ,hen boi!ers "reo#er"ted "t m"@imum !o"d durin% norm"! se"%oin% service)

F #!! Fee4 2a%er %an3s

#!" Reserve feed ,"ter t"n&s sh"!! be #rovided+ ,ith " c"#"cit$ corres#ondin% to "t !e"st t,ice the hour!$ev"#or"tion r"te of the m"in boi!ers)

#! Feed ,"ter t"n&s in the doub!e bottom sh"!! be se#"r"ted from oi! t"n&s b$ cofferd"ms)

#!8 /i#in% for feed t"n&s sh"!! be so "rr"n%ed th"t the ,"ter c"nnot be cont"min"ted b$ oi! or oi!$ ,"ter)

F (!! C&n4ensa%e 'r&, s%ea, hea%ing &' %an3s

(!" 3here fue! or !ubric"tin% oi! t"n&s+ he"ters or #urifiers "re he"ted b$ ste"m in #i#e coi!s+ the condens"tesh"!! be !ed into "n observ"tion t"n&) This t"n& sh"!! be #!"ced in "n e"si!$ "ccessib!e+ ,e!! venti!"ted "nd ,e!!i!!umin"ted #osition ,here it c"n e"si!$ be observed ,hether the condens"te is free from oi! or not)

F -!! E0ap&ra%&rs

-!" For m"in boi!ers+ ev"#or"tors sh"!! be inst"!!ed ,ith " c"#"cit$ sufficient to cover norm"! !oss in thes$stem even ,hen one of the ev"#or"tors is out of order)

Gui4ance n&%eNorm"! !oss in the s$stem is e@#ected to be in the r"n%e of < to : of the boi!er ev"#or"tion) The u##er #"rt of ther"n%e "##!ies for sm"!!er #!"nts)


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t.+ -h. "ec.5 9achinery piping systems 2 age 45

DETNORSKEVERITAS AS

G* S%ea, sys%e,s

G "!! S%ea, piping

"!" 3"ter #oc&ets in the ste"m f!o, !ines sh"!! be "voided "s f"r "s #r"ctic"b!e in order to #revent ,"terh"mmer in the s$stem) If this c"nnot be "voided+ dr"in coc&s or v"!ves sh"!! be fitted in such #!"ces so th"t the

#i#es m"$ be efficient!$ dr"ined ,hi!e in o#er"tion)

"! Ste"m #i#es sh"!! not be !ed throu%h c"r%o ho!ds un!ess the "rr"n%ement is s#eci"!!$ "##roved) 3herethe #i#es "re !ed throu%h sh"ft tunne!s the$ sh"!! be insu!"ted in such " ,"$ th"t the !"%%in% surf"ce tem#er"turedoes not e@ceed 2;MC)

Uninsu!"ted ste"m #i#es sh"!! not be !ed throu%h s#"ces or t"n&s ,ithout s"tisf"ctor$ #ossibi!ities for remov"!of the he"t)

Gui4ance n&%e

Re%"rdin% ste"m he"tin% of doub!e bottom fue! oi! t"n&s be!o, insu!"ted reefer c"r%o ch"mbers reference is m"de to/t)B Ch)>e>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

"!8 For #i#es conve$in% ste"m "t tem#er"tures e@ceedin% 0B;MC "n "rr"n%ement m"$ be re.uired 'c"!ibr"ted%"u%e !en%ths( for chec&in% of cree# in hi%h!$ stressed "re"s)

"!# For "n"!$sis of therm"! e@#"nsion stresses see Sec) A)G !! S%ea, supply %& au?iliary ,achinery

!" Ste"m su##!$ to the steerin% %e"r+ feed,"ter #um#s "nd m"chines o#er"tin% e!ectric"! %ener"tors sh"!!not be interru#ted if ste"m su##!$ to the #ro#u!sion m"chiner$ or c"r%o oi! #um#s is shut off)

G 8!! Shu%B&'' 0al0es

8!" If t,o or more boi!ers "re connected to " common he"der or ste"m m"nifo!d the ste"m connection to e"chboi!er sh"!! be #rovided ,ith t,o shut>off v"!ves ,ith " free b!o,in% dr"in in bet,een)

This re.uirement does not "##!$ to e@h"ust %"s economisers ,ith forced circu!"tion)

8! 3here b!o,>do,ns from t,o or more boi!ers "re connected to " common disch"r%e+ t,o v"!ves sh"!! befitted to e"ch disch"r%e)

G #!! Sa'e%y 0al0es

#!" The disch"r%e from s"fet$ v"!ves sh"!! be to " #oint ,here h"J"rd is not cre"ted+ see Ch) Sec)2)

G (!! 6l&2 4&2n 0al0es &n shipIs si4e

(!" The b!o,do,n v"!ve on the shi#-s side sh"!! be fitted in " re"di!$ "ccessib!e #osition) It sh"!! be !oc"ted"bove the !eve! of the f!oor in such " ,"$ th"t it is e"s$ to verif$ ,hether it is o#en or shut) The coc& h"nd!esh"!! not be remov"b!e un!ess the coc& is shut+ "nd if " v"!ve is fitted+ the ,hee! sh"!! be fi@ed to the s#ind!e)'See "!so Sec)? "nd Ch) Sec)2)(

H* Hy4raulic sys%e,s

H "!! General

"!" The redund"nc$ re.uirement in A

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DETNORSKEVERITAS AS

"!. Air #i#es from h$dr"u!ic oi! circu!"tion t"n&s "nd e@#"nsion t"n&s sh"!! be !e"d to s"fe !oc"tions so th"t"n$ esc"#in% oi! does not re"ch #ossib!e sources of i%nition)

"!1 Oi! circu!"tion t"n&s or e@#"nsion t"n&s in en%ine rooms sh"!! be #rovided ,ith "rr"n%ements #reventin%overf!o, of oi! 'e)%) from %ener"tion of v"#our due to moisture in the h$dr"u!ic oi!()

The fo!!o,in% "!tern"tive "rr"n%ements m"$ be "cce#tedG

"( The free vo!ume of the circu!"tion t"n&s is sufficient for "ccumu!"tin% "!! the h$dr"u!ic oi! in the s$stem)A hi%h !eve! "!"rm is fitted in the t"n& "t " !eve! !e"vin% sufficient free vo!ume for cont"inin% the oi! in thes$stem)

b( The circu!"tion t"n& or e@#"nsion t"n& is #rovided ,ith "n overf!o, #i#e !e"din% to " co!!ectin% t"n&) Thecross section"! "re" of the overf!o, #i#e is t,ice th"t of the return oi! #i#e)

c( The "ir #i#e from the t"n& is !e"d to " s"fe #osition outside m"chiner$ s#"ce) The cross section"! "re" ofthe "ir #i#e is t,ice th"t of the return oi! #i#e)

H !! Hy4raulic p&2er supply

!" Re.uirements for h$dr"u!ic #o,er su##!$ to steerin% %e"rs "re %iven in /t)0 Ch)n>c>e>>>n>o>t>e>>>

H #!! Accu,ula%&rs

#!" 1$dr"u!ic "ccumu!"tors of the %"s or h$dr"u!ic f!uid t$#e h"vin%

# V

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DETNORSKEVERITAS AS

Gui4ance n&%e

This re.uirement m"$ be ,"ived b$ the surve$or on " c"se>b$>c"se b"sis) As#ects to be considered "re m"@imumo#er"tin% #ressure com#"red to desi%n #ressure) E@#erience ,ith ,or&m"nshi# m"$ "!so inf!uence the decision)


(!8 Loc"! "ccumu!"tors used "s b"c& u# #o,er su##!$ for essenti"! s$stems sh"!! be desi%ned "nd !oc"ted or#rotected to minimise the #ossibi!it$ of in"dvertent iso!"tion or mech"nic"! d"m"%e ,hich cou!d #revent

correct o#er"tion on dem"nd)(!# /i#in%+ tubin% "nd com#onents in s$stems re.uired to o#er"te in " fire scen"rio sh"!! h"ve "de.u"te fireresist"nce #ro#erties to ensure correct s$stem o#er"tion) This is #"rticu!"r!$ im#ort"nt for s$stems ,hereh$dr"u!ic ener%$ is re.uired to "ctiv"te or m"int"in contro! over the s$stem) The Societ$ m"$ re.uest fire testcertific"tes for such s$stem com#onents)

(!( /i#in% "nd tubin% sh"!! be f!ushed "nd c!e"ned before bein% connected to contro! s$stems)

(!- 1$dr"u!ic oi! return !ines sh"!! be desi%ned ,ith c"#"cit$ to "!!o, the m"@imum return f!o, durin%e@treme conditions ,ithout reducin% over"!! s$stem #erform"nce) C"re sh"!! be t"&en to "void the #ossibi!it$of b!oc&"%es "t fi!ters+ vents or b$ mech"nic"! d"m"%e or in"dvertent o#er"tion of v"!ves)

9* /neu,a%ic sys%e,s9 "!! General

"!" The redund"nc$ re.uirement in A

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DETNORSKEVERITAS AS

8!8 If " st"rtin% s$stem serves t,o or more of the "bove s#ecified #ur#oses+ the c"#"cit$ of the s$stem sh"!!be the sum of the c"#"cit$ re.uirements)

8!# For mu!ti>en%ine #ro#u!sion #!"nts the c"#"cit$ of the st"rtin% "ir receivers sh"!! be sufficient for ? st"rts#er en%ine) 1o,ever+ the tot"! c"#"cit$ sh"!! not be !ess th"n

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t.+ -h. "ec. 'efrigeration systems 2 age 48

DETNORSKEVERITAS AS

SECT9ON - REFR9GERAT9ON SSTEMS

A* General

A "!! Applica%i&n

"!" The ru!es in this section "##!$ to refri%er"tin% #!"nts usin% 5rou# : refri%er"nts 'Rcoo!in% of the !i.uid in connection ,ith "ccident"! b!o, do,n need not be t"&en into "ccount,hen decidin% the desi%n tem#er"ture)

For refri%er"tin% s$stems on %"s c"rriers ,here the c"r%o is used "s refri%er"nt the m"teri"!s "nd the desi%ntem#er"ture sh"!! be in "ccord"nce ,ith Ch)B)

"! The m"teri"!s sh"!! be corrosion>resist"nt to the refri%er"nt "nd the com#ressor oi! "nd to the combin"tionof the t,o)

/i#in% !oc"ted in "re"s ,here e@#osure to hi%h humidit$ or ,"ter s#!"shin% is e@#ected+ e)%) fish #rocessin%s#"ces+ sh"!! be of corrosion resist"nt m"teri"!+ e)%) st"in!ess stee!)

"!8 The fo!!o,in% m"teri"!s "nd refri%er"nts sh"!! not be combinedG

ret"rdin% .u"!it$+ i)e) !o, i%nit"bi!it$ "nd !o,f!"me>s#re"d #ro#erties) Testin% sh"!! be c"rried out in "ccord"nce ,ith " reco%niJed st"nd"rd+ e)%) DIN0

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t.+ -h. "ec. 'efrigeration systems 2 age +)

DETNORSKEVERITAS AS

refri%er"nts #"rticu!"r!$ d"n%erous ,ith re%"rd to suffoc"tion)

0roup :

Refri%er"nts in this %rou# "re #"rticu!"r!$ #oisonous) R

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t.+ -h. "ec. 'efrigeration systems 2 age +*

DETNORSKEVERITAS AS

!e"&ed refri%er"nt from enterin% other rooms "nd s#"ces) S#eci"! %!"nds of "##roved t$#e need+ ho,ever+ notbe used)

The refri%er"tin% m"chiner$ room sh"!! be !oc"ted "s hi%h "s re"son"b!e ,ithin the shi#) The refri%er"tin%m"chiner$ room is subect to "##rov"! ,ith re%"rd to its !oc"tion "nd "rr"n%ement ,ithin the shi# "nd ,ithre%"rd to "ccesses "nd emer%enc$ esc"#es) E@ce#t for sm"!! refri%er"tin% m"chiner$ rooms+ "t !e"st t,o "ccessdoors sh"!! be #rovided.

Thin>#!"te venti!"tion ducts for other s#"ces sh"!! not be !e"d throu%h the refri%er"tin% m"chiner$ room) Aircoo!ers for "ir conditionin% #!"nts sh"!! not be !oc"ted ,ithin the refri%er"tin% m"chiner$ room)

The venti!"tion s$stem for the refri%er"tin% m"chiner$ room sh"!! be se#"r"ted from other venti!"tion s$stems+sh"!! be of the e@h"ust t$#e "nd to %ive minimum ?; "ir ch"n%es #er hour) If the refri%er"nt is !i%hter th"n "irthe venti!"tion e@h"ust sh"!! be from the to# of the refri%er"tin% m"chiner$ room)

A!! venti!"tion out!ets from the refri%er"tin% m"chiner$ room sh"!! be "t s"fe !oc"tions ,ith re%"rd toG

H the h"J"rds of #ossib!$ !e"&ed refri%er"nt in the venti!"tion "irH int"&e of venti!"tion "ir into other venti!"tion s$stems on the shi#H rec$c!in% bet,een the venti!"tion out!ets "nd int"&es for the refri%er"tin% m"chiner$ room)

"!# For refri%er"nts of 5rou# : the refri%er"tin% m"chiner$ room is "ddition"!!$ to be e.ui##ed ,ith effectivemech"nic"! c"t"stro#he venti!"tion) For RE@ #rotected e!ectric"! e.ui#ment ,ithin the refri%er"tin% m"chiner$ room sh"!! be "utom"tic"!!$de>ener%ised in c"se "n R

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t.+ -h. "ec. 'efrigeration systems 2 age +#

DETNORSKEVERITAS AS

,ithin the cre, "ccommod"tion s#"ces+ the n"vi%"tin% brid%e "nd the m"in en%ine room or such th"t "!!"ccesses to the m"in en%ine room ,i!! be b!oc&ed in c"se of #i#e ru#ture)

! 3here Re>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

For se" ,"ter coo!ed R

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t.+ -h. "ec. 'efrigeration systems 2 age +4

DETNORSKEVERITAS AS

F* 6rine sys%e,

F "!! 6rine piping sys%e, an4 0essels

"!" S#eci"! consider"tion sh"!! be %iven to corrosion resist"nce of m"teri"!s)

Gui4ance n&%e

A corrosion>reducin% "%ent consistin% of :); &% sodium dichrom"te ;)B0 &% c"ustic sod" for e"ch m?of the so!utionshou!d be "dded to c"!cium ch!oride) The #1 v"!ue shou!d be "bout ) It is "dvised th"t " c!osed brine s$stem beinst"!!ed)


"! If intern"!!$ %"!v"niJed vesse!s or #i#es "re used ,ith " c!osed s$stem+ "nd if the brine "tt"c&s Jin&+ thevesse!s sh"!! be vented to " s"fe #!"ce in o#en "ir) At the out!et+ the #i#es sh"!! be e.ui##ed ,ith s"fet$e.ui#ment "%"inst b"c& f!"min%)

"!8 3ith "n o#en s$stem+ the rooms ,here intern"!!$ %"!v"niJed brine t"n&s "re !oc"ted sh"!! be effective!$venti!"ted+ "nd brine+ ,hich %ener"tes %"ses ,ith f!"sh #oint !o,er th"n ?;MC+ sh"!! not be used)

"!# The thic&ness of the brine #i#es from the bottom of the thre"ds sh"!! not be !ess th"n :)B mm)

F !! Sa'e%y 0al0es an4 4ischarge sys%e,

!" The refri%er"nt circuit's( sh"!! be #rotected "%"inst e@cessive #ressure b$ s"fet$ re!ief v"!ves+ ore.uiv"!ent "rr"n%ements)

! If " shut>off v"!ve is !oc"ted bet,een the #ressure vesse! "nd the s"fet$ v"!ve+ it sh"!! be se"!ed in o#en#osition+ "nd sh"!! be c!osed on!$ durin% re#"irs) A si%nbo"rd st"tin% this re.uirement sh"!! be fitted)

!8 Vesse!s ,ith shut>off v"!ves ,hich cont"in !i.uid refri%er"nt sh"!! be #rotected b$ " s"fet$ v"!ve) Forrefri%er"nts of 5rou# resist"nt+ m"$ be substituted for the s"fet$ v"!ve)

!# The s"fet$ v"!ve "nd s"fet$ disc sh"!! be !oc"ted "bove the surf"ce of the !i.uid) The$ sh"!! o#en "t "#ressure not !ess th"n the desi%n #ressure "nd sh"!! be fu!!$ effective "t " #ressure ,hich is m"@imum

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t.+ -h. "ec. 'efrigeration systems 2 age ++

DETNORSKEVERITAS AS

G* Re'rigera%i&n sys%e, ins%ru,en%a%i&n

G "!! 9ns%ru,en%a%i&n

"!" A refri%er"nt !e"&"%e detection s$stem ,ith "!"rm coverin% "!! s#"ces ,ith refri%er"tin% m"chiner$+ theout!et #i#in% from s"fet$ re!ief devices if R

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t.+ -h. "ec.6 ollution prevention 2 age +5

DETNORSKEVERITAS AS

SECT9ON . /O;;UT9ON /RE@ENT9ON

A* Oil /&llu%i&n pre0en%i&n

A "!! Applica%i&n

"!" The fo!!o,in% re.uirements "##!$ to "rr"n%ements "nd e.ui#ment for h"nd!in% "nd dis#os"! of oi!$ ,"ter"nd oi! residues e@ce#t ,hen ori%in"tin% from c"r%o h"nd!in% on t"n&ers)

A !! Ships &' #!! gr&ss %&nnage an4 a7&0e

!" Fore#e"& t"n&s "nd other t"n&s for,"rd of the co!!ision bu!&he"d sh"!! not be "rr"n%ed for c"rri"%e of oi!)

! Combined fue! oi! "nd b"!!"st ,"ter t"n&s "re norm"!!$ not #ermitted)

!8 Co!!ectin% t"n&'s( for oi! residues inc!udin% s!ud%e+ ,"ste oi!+ dr"in oi!+ etc) sh"!! be "rr"n%ed ,ith "minimum "%%re%"te c"#"cit$ ofG

V K C D 'm?(

!# 3here he"v$ fue! oi! is #urified onbo"rd+ "t !e"st ; of the c"#"cit$ %iven in :;? sh"!! be in t"n&'s(suit"b!e for s!ud%e from the fue! oi! #urifiers)

!( T"n&s for oi! residues sh"!! be "rr"n%ed ,ith suit"b!e "ccess #ossibi!ities to f"ci!it"te c!e"nin%)

!- T"n&s for s!ud%e from he"v$ fue! oi! #urifiers sh"!! be fitted ,ith he"tin% "rr"n%ements)

!. Arr"n%ements for tr"nsferrin% oi! residues "nd oi!$ bi!%e ,"ter to rece#tion f"ci!ities sh"!! be #rovided)The rece#tion f"ci!it$ connection f!"n%e's( sh"!! be suit"b!$ !oc"ted "nd ,ith dimensions "s %iven in T"b!e Ac!osin% v"!ves or e.uiv"!ent "rr"n%ements)

!1 The oi! residue h"nd!in% s$stem sh"!! h"ve no direct overbo"rd connection other th"n the rece#tionf"ci!it$ connection f!"n%e)

!5 An oi!$>,"ter se#"r"tin%*oi! fi!terin% e.ui#ment c"#"b!e of #roducin% "n eff!uent ,ith oi! content of !essth"n ,"ter se#"r"tin% or fi!terin% e.ui#ment ,i!! fre.uent!$ c"usem"!function of this e.ui#ment) It is recommended th"t " bi!%e ,"ter ho!din% t"n& is "rr"n%ed for #re>se#"r"tion of oi!$,"ter "nd ,ith f"ci!ities for tr"nsfer of the oi!>on>to# in this t"n& to the oi! s!ud%e or ,"ste oi! t"n&s) Un!ess used fordisch"r%e to shore+ bi!%e ,"ter ho!din% t"n&s shou!d not be connected to the suction side of the bi!%e #um#s) The

ho!din% th"n& shou!d be em#tied throu%h the bi!%e ,"ter se#"r"tor)


"! For shi#s "bove

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t.+ -h. "ec.6 ollution prevention 2 age +

DETNORSKEVERITAS AS

oi! content of the eff!uent e@ceeds n>c>e>>>n>o>t>e>>>

"" 3here the bi!%e se#"r"tor #um# is "rr"n%ed for "utom"tic st"rt+ the oi! content detectin% device mustiniti"te "utom"tic sto# of the overbo"rd disch"r%e ,hen the oi! content in the eff!uent e@ceeds n>c>e>>>n>o>t>e>>>

"! The sections !isted be!o, sh"!! on!$ be "##!ic"b!e ,hen DNV is "uthorised to issue the IA// certific"te)'DNV is Reco%nised Or%"nis"tion for 6AR/OL Anne@ VI(

H 4

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DETNORSKEVERITAS AS

Gui4ance n&%e

A!thou%h the e@h"ust %"s c!e"nin% units "re subect to "ssessment of ris& of f"i!ure 'e)%) c!o%%in%( the$ ,ou!dnorm"!!$ not be considered "n "ctive com#onent #rovided "rr"n%ed in "ccord"nce ,ith 4 ?;>>e>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

6 !! C&,p&nen% an4 sys%e, 4esign

!" The m"teri"!s used in e@h"ust %"s c!e"nin% com#onents "nd s$stems sh"!! be m"de of m"teri"!s ,ith "me!tin% #oint "bove :BMC) /!"stic #i#in% m"$ be used subect to the re.uirements of Sec):)

Gui4ance n&%e

6"teri"!s ,ith " me!tin% #oint of !ess th"n :BMC is used intern"!!$ in e@h"ust %"s c!e"nin% units+ m"$ be "cce#ted ifs$stems #reventin% overhe"tin% "re #rovided "nd "rr"n%ed ,ith redund"nc$)


! E@h"ust %"s c!e"nin% com#onents sh"!! be certified "s re.uired b$ T"b!e 4< '"nd 4: if "##!ic"b!e(G

!8 Fi!ters or str"iners in s$stems servin% e@h"ust %"s c!e"nin% units sh"!! be "rr"n%ed so th"t it is #ossib!eto c!e"n the fi!ters ,ithout interru#tin% the o#er"tion of s$stem) Autom"tic fi!ters sh"!! be "rr"n%ed ,ith b$>

#"ss)

!# Interf"ces to other shi# s$stems sh"!! be "rr"n%ed to #revent the b"c&f!o, of f!uids or e@h"ust %"s into

such s$stems)!( 3here the desi%n of the e@h"ust %"s c!e"nin% s$stem is considered to re.uire "ddition"! me"ns forc!e"nin% 'e)%) due to soot bui!d u#(+ such "rr"n%ements "re subect to "##rov"!) The s$stem sh"!! be"utom"tic"!!$ o#er"ted)

!- S$stems for c!e"nin% of soot bui!d u# sh"!! be #rovided ,here en%ines ,i!! be o#er"ted on he"v$ fue! oi!)

!. 4$>#"ss v"!ves "nd other v"!ves "rr"n%ed for remote or "utom"tic o#er"tion sh"!! be #rovided ,ith#osition indic"tion 'both !oc"! "nd remote()

6 8!! E?haus% gas sys%e,s

8!" E@h"ust #i#es from mu!ti#!e en%ine inst"!!"tions 'i)e) m"in en%ines for #ro#u!sion+ "u@)en%ines for #o,er%ener"tion+ boi!ers etc)( "re not to be connected+ but sh"!! h"ve se#"r"te out!ets+ un!ess #rec"utions "re t"&en to

#revent the !oss of m"in function in the event of f"i!ure "nd to #revent the return of e@h"ust %"ses to " sto##ed

en%ine inst"!!"tion)

Gui4ance n&%e

4$#"ss "rr"n%ements m"$ be "cce#ted "s #rec"ution"r$ me"sure to #revent the !oss of m"in function in the event off"i!ure "nd to #revent the return of e@h"ust %"ses to " sto##ed en%ine inst"!!"tion)


8! 4$#"ss sh"!! be "rr"n%ed for e@h"ust %"s c!e"nin% s$stems inst"!!ed on vesse!s ,ith " sin%!e m"in#ro#u!sion unit "nd ,here f"i!ure m"$ !e"d to !oss of "n$ m"in function) For non>UREA b"sed SCR s$stemsthis m"$ be dis#ensed ,ith if unrestricted f!o, is ensured "nd no ris& of f"i!ure !e"din% to shut do,n of en%ineis demonstr"ted)

8!8 The b$#"ss v"!ves sh"!! be remote!$ o#er"ted from the contro! st"tion for the e@h"ust %"s c!e"nin%s$stem) The v"!ves sh"!! f"i! to s"fe mode u#on !oss of #o,er su##!$ or " f"i!ure in the #neum"tic su##!$ to the

"ctu"tor's()8!# The b$#"ss "rr"n%ement sh"!! "utom"tic"!!$ o#en to b$#"ss mode in c"se of " c!e"nin% s$stem shutdo,nor "n incre"se of b"c&>#ressure th"t m"$ "ffect the en%ine served)

8!( The e@h"ust out!ets from en%ine inst"!!"tions so!e!$ used for emer%enc$ o#er"tions "re not re.uired to

Ta7le 6" Cer%i'ica%i&n re+uire,en%s

'b(ect Certificate type dditional description

Tre"tment f!uid #um#s NV>/ DNV #roduct certific"te C"#"cit$ / 3or&s #roduct certific"te C"#"cit$ W

E@h"ust %"s c!e"nin% s$stem com#onents Ref) 6AR/OL Anne@ VI Re%u!"tion

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DETNORSKEVERITAS AS

#ersonne!)

f( V"!ves fitted be!o, the to# of t"n&s sh"!! for "!! t"n& siJes be "rr"n%ed for .uic& "ctin% shut>off from "centr"! #osition outside the s#"ce ,here the t"n&s "re !oc"ted+ "nd "t " s"fe dist"nce from o#enin%s to thes"me s#"ce)

Gui4ance n&%e

Tre"tment f!uids ,i!! be subect to "ssessment of h"J"rds "nd !oc"tion of t"n&s "nd #i#in% m"$ be subect to s#eci"!

consider"tions)E@h"ust %"s c!e"nin% s$stems uti!isin% f!"mm"b!e f!uids ,i!! be subect to s#eci"! consider"tions "!so t"&in% into"ccount re.uirements in Sec)B)

E@h"ust %"s c!e"nin% s$stems uti!isin% "mmoni" ,i!! be subect to the re.uirements of /t)B Ch)n>c>e>>>n>o>t>e>>>

#!( 3here " common su##!$ s$stem is servin% mu!ti#!e en%ine inst"!!"tions+ the iso!"tion "rr"n%ements forid!e en%ines sh"!! be so desi%ned so th"t !e"&in% iso!"tion v"!ves c"nnot resu!t in in%ress of tre"tment f!uid intoid!e en%ines)

Gui4ance n&%e

This m"$ be "chieved b$ "rr"n%in% the inection v"!ve ,ith " doub!e b!oc& "nd b!eed "rr"n%ement 'or simi!"r() If theinection noJJ!e is #!"ced "fter " suit"b!$ siJed "nd "rr"n%ed dr"in #ot ,ith "utom"tic dr"in"%e+ i)e) bet,een dr"in #ot"nd c"t"!$st+ such "rr"n%ements m"$ be dis#ensed ,ith)


#!- If tre"tment f!uids "re considered to re#resent " h"J"rd to #ersonne!+ the fo!!o,in% #rotective me"suressh"!! be #rovidedG

H E$e ,"sh "nd sho,ers sh"!! be #rovided in the vicinit$ of the tre"tment f!uid bun&er m"nifo!d "s ,e!! "s inthe vicinit$ of+ but in " s"fe dist"nce from+ tre"tment f!uid #um#s)

H ? sets of #rotective e.ui#ment+ coverin% "!! s&in so th"t no #"rt of the bod$ is un#rotected '!"r%e "#rons+ s#eci"!%!oves ,ith !on% s!eeves+ suit"b!e foot,e"r+ cover"!!s of chemic"! resist"nt m"teri"!+ ti%ht>fittin% %o%%!es orf"ce shie!ds or both() The e.ui#ment sh"!! be resist"nt to the tre"tment f!uid in .uestion) The e.ui#ment sh"!!be used b$ #ersonne! durin% bun&erin% "nd in o#er"tions ,hich m"$ ent"i! d"n%er to #ersonne!)

H The #rotective e.ui#ment sh"!! be #rovided in e"si!$ "ccessib!e !oc&ers outside the "ccommod"tion)#!. /i#in% s$stems "nd t"n&s for residues*s!ud%e %ener"ted b$ the e@h"ust %"s c!e"nin% s$stem sh"!! bese#"r"te from bi!%e ,"ter s$stems "nd the norm"! en%ine room bi!%e "nd s!ud%e s$stem+ e@ce#t for " commondisch"r%e #i#in% to dec& m"nifo!d)

#!1 Tre"tment s$stems invo!vin% #rocesses th"t m"$ !e"d to %ener"tion of v"#ours th"t "re f!"mm"b!e orh"J"rdous to cre, "re subect to s#eci"! consider"tions) Ref) /t)2 Ch)

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t.+ -h. "ec.6 ollution prevention 2 age 5)

DETNORSKEVERITAS AS

the contro! st"tion for the e@h"ust %"s c!e"nin% unitG

(!( A!! "!"rms re!"ted to the c!e"nin% s$stem inst"!!"tion sh"!! be routed to " #erm"nent!$ m"nned !oc"tion+"nd be #resented "s individu"! "!"rms or "!"rm %rou#s)

(!- The e@h"ust %"s c!e"nin% unit s$stem sh"!! be "rr"n%ed for emer%enc$ sto# from the contro! st"tion ofthe e@h"ust %"s c!e"nin% unit) Activ"tion of emer%enc$ sto# sh"!! c"use immedi"te sto# of "!! "ctivecom#onents in the e@h"ust %"s c!e"nin% s$stem "nd sh"!! not !e"d to sto# of the en%ine inst"!!"tions served) Theemer%enc$ sto# si%n"!s m"$ be im#!emented in the c!e"nin% unit s"fet$ s$stem+ "nd sh"!! com#!$ ,ith there.uirements in /t)0 Ch))

6 -!! Sur0eys an4 %es%ing

-!" Testin% of #i#in% s$stems sh"!! be #erformed in "ccord"nce ,ith Sec))

-! The e@h"ust %"s c!e"nin% s$stem is subect to " function "nd s"fet$ test "fter inst"!!"tion onbo"rd) Thetest sh"!! inc!ude contro! "nd monitorin% s$stems "s ,e!! "s the e!ectric"! #o,er su##!$) The test sh"!! be

#erformed ,ith "!! en%ine inst"!!"tions served in o#er"tion "nd in "!! re!ev"nt !o"d conditions+ inc!udin%m"noeuvrin%)

-!8 The e@h"ust %"s c!e"nin% s$stem sh"!! "!so be surve$ed "nd tested in "ccord"nce ,ith the re.uirements

of 6AR/OL Anne@ VI Re%u!"tion

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t.+ -h. "ec.6 ollution prevention 2 age 5*

DETNORSKEVERITAS AS

considered to f"!! ,ithin the sco#e of the Societ$)


C* E?haus% gas cleaning sys%e,s '&r %he re4uc%i&n &' SO?

C "!! General"!" The re.uirements in this ru!e ch"#ter "##!$ to "!! e@h"ust %"s c!e"nin% s$stems inst"!!ed on bo"rd for the

#ur#ose of reducin% SO@ emissions)

"! The #"r"%r"#hs !isted be!o, sh"!! on!$ be "##!ic"b!e ,hen DNV is "uthorised to issue the IA//certific"te) 'DNV is Reco%nised Or%"nis"tion for 6AR/OL Anne@ VI(

H C>>e>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

"!# For shi#s desi%ned to com#!$ ,ith the Ru!es for Redund"nt /ro#u!sion or D$n"mic /ositionin%+ thee@h"ust %"s c!e"nin% units "nd "ssoci"ted s$stems sh"!! be desi%ned not to interfere ,ith the #rinci#!es of /t)2Ch): or /t)2 Ch)+ res#ective!$) For not"tions re.uirin% fu!!$ se#"r"ted en%ine rooms 'e)%) DYNPOS AUTRO,DPS 3, RPS(+ e"ch side sh"!! be #rovided ,ith " se#"r"te c!e"nin% unit "nd "n$ common #i#in% sh"!! h"veiso!"tion v"!ves "t the bu!&he"d on both sides)

Gui4ance n&%e

The e@h"ust %"s c!e"nin% function need not be "rr"n%ed for "v"i!"bi!it$ "ccordin% to these #rinci#!es)


"!( For shi#s desi%ned to com#!$ ,ith the Ru!es for N"vi%"tion in ice+ the e@h"ust %"s c!e"nin% se","terin!ets "nd out!ets sh"!! be desi%ned in "ccord"nce ,ith the #rinci#!es of /t)B Ch)n>c>e>>>n>o>t>e>>>

"!- St"bi!it$ c"!cu!"tions "nd st"bi!it$ m"nu"! sh"!! t"&e the e@h"ust c!e"nin% s$stem inst"!!"tion into "ccountin "ccord"nce ,ith DNV Ru!es "nd I6O re.uirements

Gui4ance n&%e

A!thou%h the e@h"ust %"s c!e"nin% units "re subect to "ssessment of ris& of f"i!ure 'e)%) c!o%%in%+ ,"ter fi!!in% etc)(the$ ,ou!d norm"!!$ not be considered "n "ctive com#onent #rovided "rr"n%ed in "ccord"nce ,ith ?;>>e>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

C !! C&,p&nen% an4 sys%e, 4esign

!" The m"teri"!s used in e@h"ust %"s c!e"nin% com#onents "nd s$stems "s #"rt of the e@h"ust s$stem sh"!!be m"de of m"teri"!s ,ith " me!tin% #oint "bove :BMC) /!"stic #i#in% m"$ be used subect to the re.uirementsof Sec):)

Gui4ance n&%e

6"teri"!s ,ith " me!tin% #oint of !ess th"n :BMC used intern"!!$ in e@h"ust %"s c!e"nin% units+ m"$ be "cce#ted ifs$stems #reventin% overhe"tin% "re #rovided "nd "rr"n%ed ,ith redund"nc$)


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t.+ -h. "ec.6 ollution prevention 2 age 5#

DETNORSKEVERITAS AS

! E@h"ust %"s c!e"nin% com#onents sh"!! be certified "s re.uired b$ T"b!e C< '"nd C: if "##!ic"b!e(G

!8 Fi!ters or str"iners in s$stems servin% e@h"ust %"s c!e"nin% units sh"!! be "rr"n%ed so th"t it is #ossib!eto c!e"n the fi!ters ,ithout interru#tin% the o#er"tion of s$stem) Autom"tic fi!ters sh"!! be "rr"n%ed ,ith b$>

#"ss)

!# Interf"ces to other shi# s$stems sh"!! be "rr"n%ed to #revent the b"c&f!o, of f!uids or e@h"ust %"s intosuch s$stems)

!( 3here " common ,"sh ,"ter su##!$ or other common s$stems is servin% mu!ti#!e e@h"ust %"s c!e"nin%units+ the iso!"tion "rr"n%ements for id!e units sh"!! be so desi%ned so th"t !e"&in% iso!"tion v"!ves do not resu!tin in%ress of ,"sh ,"ter f!uid into id!e units)

!- 3here the desi%n of the e@h"ust %"s c!e"nin% s$stem is considered to re.uire "ddition"! me"ns forc!e"nin% 'e)%) due to soot bui!d u#(+ such "rr"n%ements "re subect to "##rov"!) The s$stem sh"!! be"utom"tic"!!$ o#er"ted "nd "rr"n%ed ,ith redund"nc$)

S$stems for c!e"nin% due to soot bui!d u# sh"!! be #rovided ,here en%ines ,i!! be o#er"ted on he"v$ fue! oi!)

!. 4$>#"ss v"!ves "nd other v"!ves or d"m#ers "rr"n%ed for remote or "utom"tic o#er"tion sh"!! be #rovided,ith #osition indic"tion 'both !oc"! "nd remote()

C 8!! E?haus% gas sys%e,s

8!" E@h"ust #i#es from mu!ti#!e en%ine inst"!!"tions 'i)e) m"in en%ines for #ro#u!sion+ "u@) en%ines for#o,er %ener"tion+ boi!ers etc)( sh"!! not be connected+ but sh"!! h"ve se#"r"te out!ets+ un!ess #rec"utions "ret"&en to #revent the !oss of m"in function in the event of f"i!ure "nd to #revent the return of e@h"ust %"ses to "sto##ed en%ine inst"!!"tion)

Gui4ance n&%e

4$#"ss "rr"n%ements m"$ be "cce#ted "s #rec"ution"r$ me"sure to #revent the !oss of m"in function in the event off"i!ure "nd to #revent the return of e@h"ust %"ses to " sto##ed en%ine inst"!!"tion)


8! 4$#"ss sh"!! be "rr"n%ed for e@h"ust %"s c!e"nin% s$stems inst"!!ed on vesse!s ,ith sin%!e m"in#ro#u!sion unit "nd ,here f"i!ure m"$ !e"d to !oss of "n$ m"in function) This m"$ be dis#ensed ,ith ifunrestricted f!o, of e@h"ust %"s is ensured "nd no ris& of f"i!ure !e"din% to shut do,n of en%ine isdemonstr"ted)

Gui4ance n&%e

4$>#"ss "rr"n%ements m"$ be "cce#ted) 4$>#"ss v"!ves sh"!! be remote!$ o#er"ted from the contro! st"tion for thee@h"ust %"s c!e"nin% s$stem) The v"!ves sh"!! f"i! to s"fe mode u#on of !oss of #o,er su##!$)


8!8 The b$#"ss v"!ves sh"!! be remote!$ o#er"ted from the contro! st"tion for the e@h"ust %"s c!e"nin%s$stem) The v"!ves sh"!! f"i! to s"fe mode u#on !oss of #o,er su##!$ or " f"i!ure in the #neum"tic su##!$ to the

"ctu"tor's()8!# The b$#"ss "rr"n%ement sh"!! "utom"tic"!!$ o#en to b$>#"ss mode in c"se of " c!e"nin% unit shutdo,nor "n incre"se of b"c&>#ressure in the scrubber s$stem th"t m"$ "ffect the en%ine served)

8!( It sh"!! be documented th"t the #ressure dro# in the e@h"ust %"s c!e"nin% s$stem does not e@ceed the

Ta7le C" Cer%i'ica%i&n re+uire,en%s

'b(ect Certificate type dditional description

3"ter #um#s NV>/ DNV #roduct certific"te C"#"cit$ B;m?*h

3>/ 3or&s #roduct certific"te C"#"cit$ W B;m?*h

Tre"tment f!uid #um#s NV>/ DNV #roduct certific"te C"#"cit$ / 3or&s #roduct certific"te C"#"cit$ W

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t.+ -h. "ec.6 ollution prevention 2 age 54

DETNORSKEVERITAS AS

m"@imum "!!o,"b!e "ccordin% to the en%ine m"&er "nd m"chiner$ com#onent m"nuf"cturers) The #ressuredro# "ssessment sh"!! be #erformed from the e@h"ust out!et of the en%ine inst"!!"tions to the e@h"ust out!et too#en "ir) It sh"!! inc!ude #ressure dro# from #i#es "nd fittin%s "s ,e!! "s other com#onents th"t contribute to

#ressure dro# 'e)%) si!encers+ e@h"ust %"s boi!ers+ NO@ reduction units etc)() For c!e"nin% s$stems ,heremu!ti#!e e@h"ust sources "re cou#!ed to s"me c!e"nin% unit the tot"! #ressure dro# for "!! connected units sh"!!

be c"!cu!"ted)

The #ressure dro# sh"!! t"&e into "ccount the e@h"ust %"s f!o, corres#ondin% to m"@imum s#ecified o#er"tin%

!o"d of the en%ine inst"!!"tions)

8!- The e@h"ust out!ets from en%ine inst"!!"tions used for emer%enc$ o#er"tions 'emer%enc$ fire #um#en%ines+ emer%enc$ %ener"tor en%ines( sh"!! h"ve se#"r"te out!ets)

8!. E@h"ust %"s #i#in% "nd c!e"nin% unit sh"!! be "rr"n%ed for #revention of ,"ter in%ress into the en%ineinst"!!"tions served) The c!e"nin% unit sh"!! be "rr"n%ed ,ith " ,"ter co!!ectin% "rr"n%ement c"#"b!e ofdr"inin% the m"@imum ,"ter su##!$ to the scrubber+ inc!udin% fire e@tin%uishin% if "##!ic"b!e)The dr"in"%esh"!! be !ed to " t"n& of suit"b!e siJe) The c!e"nin% unit sh"!! be #rovided ,ith inde#endent ,"ter !eve! detectorsfor both "!"rm "nd c!e"nin% unit s$stem shutdo,n)

8!1 E@h"ust co!!ectin% #i#es sh"!! be #rovided ,ith " dr"in"%e s$stem th"t is c"#"b!e of dr"inin% "!! ,"terfrom c!e"nin% the scrubber s$stem or ,"ter from fire e@tin%uishin% s$stem if "##!ic"b!e) The dr"in"%e sh"!! be!ed to " t"n& of suit"b!e siJe)

8!5 In "ddition+ b$#"ss v"!ves "nd other v"!ves inst"!!ed for the #revention of e@h"ust b"c&f!o, into s$stemssh"!! be #rovided ,ith "rr"n%ements to #revent e@h"ust %"s !e"&"%e)

8"! A #erm"nent "rr"n%ement for c!e"nin% b$#"ss v"!ves "nd other v"!ves inst"!!ed for the #revention ofe@h"ust b"c&f!o, into s$stems sh"!! be "rr"n%ed)

8"" 4$#"ss "rr"n%ements sh"!! be desi%ned for the m"@imum e@h"ust f!o, of the s$stem)

8" If e@h"ust %"s f"ns for the #revention of e@cessive b"c&>#ressure "re re.uired the s$stem sh"!! be"rr"n%ed ,ith " b$#"ss) The f"ns sh"!! be "rr"n%ed ,ith redund"nc$ if deemed necess"r$ for s"fet$ of thes$stem 'contro! of #ressure()

C #!! Sea 2a%er sys%e,s

#!" The e@h"ust %"s c!e"nin% se","ter su##!$ s$stem sh"!! be "rr"n%ed in "ccord"nce ,ith Sec)B D)

#! The se","ter su##!$ s$stem sh"!! be se#"r"te of other se","ter #i#in% s$stems onbo"rd Connections toother se","ter su##!$ s$stems "re "cce#t"b!e #rovided me"ns for #revention of b"c&f!o, "re "rr"n%ed

#!8 The e@h"ust %"s c!e"nin% s$stem se","ter #um#s sh"!! h"ve sufficient c"#"cit$ for su##!$in% the s$stem"t m"@imum !o"d "nd ,ithout interferin% ,ith "n$ essenti"! service on the shi#)

#!# The e@h"ust %"s c!e"nin% disch"r%e ,"ter #i#in% s$stem sh"!! be se#"r"te from other se","ter #i#in%s$stems "nd sh"!! be !ed overbo"rd throu%h " se#"r"te disch"r%e out!et) Se","ter from other s$stems used fordi!utin% "re "cce#t"b!e #rovided me"ns for #revention of b"c&f!o, "re "rr"n%ed)

#!( The disch"r%e ,"ter #i#in%+ inc!udin% v"!ve's(+ sh"!! be #rotected "%"inst corrosion) Dist"nce #iecebet,een overbo"rd v"!ve "nd she!! #!"tin% sh"!! be of subst"nti"! thic&ness+ "t !e"st she!! #!"te thic&ness+ butnot !ess th"n n>c>e>>>n>o>t>e>>>

(! The e@h"ust %"s c!e"nin% s$stem fresh,"ter #um#s sh"!! h"ve sufficient c"#"cit$ for su##!$in% thes$stem "t m"@imum !o"d "nd ,ithout interferin% ,ith "n$ essenti"! service on the shi#

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t.+ -h. "ec.6 ollution prevention 2 age 5+

DETNORSKEVERITAS AS

(!8 An$ disch"r%e ,"ter #i#in%+ inc!udin% v"!ve's(+ sh"!! be #rotected "%"inst corrosion) Dist"nce #iecebet,een overbo"rd v"!ve "nd she!! #!"tin% sh"!! be of subst"nti"! thic&ness+ "t !e"st she!! #!"te thic&ness+ butnot !ess th"n fittin%

%o%%!es or f"ce shie!ds or both() The e.ui#ment sh"!! be resist"nt to the tre"tment f!uid in .uestion) Thee.ui#ment sh"!! be used b$ #ersonne! durin% bun&erin% "nd in o#er"tions ,hich m"$ ent"i! d"n%er to#ersonne!)

H The #rotective e.ui#ment sh"!! be #rovided in e"si!$ "ccessib!e !oc&ers outside the "ccommod"tion)

-!( Tre"tment s$stems invo!vin% #rocesses th"t m"$ !e"d to %ener"tion of v"#ours th"t "re f!"mm"b!e orh"J"rdous to cre, "re subect to s#eci"! consider"tions) Ref) /t)2 Ch)

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t.+ -h. "ec.6 ollution prevention 2 age 5

DETNORSKEVERITAS AS

1!. A!! "!"rms re!"ted to the c!e"nin% s$stem inst"!!"tion sh"!! be routed to " #erm"nent!$ m"nned !oc"tion+

"nd be #resented "s individu"! "!"rms or "!"rm %rou#s)1!1 E@h"ust %"s c!e"nin% s$stems "rr"n%ed for "utom"tic contro! sh"!! "!so be "rr"n%ed ,ith me"ns form"nu"! o#er"tion)

1!5 The e@h"ust %"s c!e"nin% unit s$stem sh"!! be "rr"n%ed for emer%enc$ sto# from the contro! st"tion ofthe e@h"ust %"s c!e"nin% unit "nd in ECR ,hen #rovided) Activ"tion of emer%enc$ sto# sh"!! c"use immedi"testo# of "!! "ctive com#onents in the e@h"ust %"s c!e"nin% s$stem "nd sh"!! not !e"d to sto# of the en%ineinst"!!"tions served) The emer%enc$ sto# si%n"!s m"$ be im#!emented in the scrubber s"fet$ s$stem+ "nd sh"!!com#!$ ,ith the re.uirements in /t)0 Ch))

C 5!! Sur0eys an4 %es%ing

5!" Testin% of #i#in% s$stems sh"!! be #erformed in "ccord"nce ,ith Sec))

5! The e@h"ust %"s c!e"nin% s$stem is subect to " function "nd s"fet$ test "fter inst"!!"tion onbo"rd) The

test sh"!! inc!ude contro! "nd monitorin% s$stems "s ,e!! "s e!ectric"! #o,er su##!$) The test sh"!! be #erformed,ith "!! en%ine inst"!!"tions served in o#er"tion "nd in "!! re!ev"nt !o"d conditions+ inc!udin% m"noeuvrin%)

5!8 The e@h"ust %"s c!e"nin% s$stem sh"!! "!so be surve$ed "nd tested in "ccord"nce ,ith the re.uirementsof I6O Res) 6E/C)>>e>n>d>>>of>>>5>u>i>d>">n>c>e>>>n>o>t>e>>>

Fue! oi! combustionunits

Lo"d R

E@h"ust %"s emission SO: '##m( R

CO: '( R

5r do,n sensors sh"!! be se#"r"te from the other sensors+ "nd be connected to the s"fet$ s$stem)

( A bi!%e !eve! s,itch sh"!! be fitted in the s#"ce cont"inin% scrubber "nd "ssoci"ted #i#in% s$stem) The tri%%er !eve!sh"!! be "t " suit"b!e hei%ht "bove m"in c!"ss bi!%e "!"rm !eve! "nd tri%%er immedi"te shutdo,n of #um#s)

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t.+ -h. "ec.7 ipes, pumps, valves, flexible hoses and detachable pipe connections etc. 2 age 56

DETNORSKEVERITAS AS

SECT9ON 1 /9/ES$ /UM/S$ @A;@ES$ F;E96;E HOSES ANDDETACHA6;E /9/E CONNECT9ONS ETC*

A* /ipes

A "!! General"!" The ,"!! thic&nesses of #i#es sh"!! com#!$ ,ith the re.uirements in this section)

"! For s#eci"! "##!ic"tions "nd in c"ses ,here the #i#es m"$ be subect to e@cessive e@tern"! !o"ds or "rein"ccessib!e durin% service+ %re"ter ,"!! thic&nesses th"n %iven in the fo!!o,in% m"$ be re.uired)

A !! Mini,u, 2all %hic3ness

!" The minimum ,"!! thic&ness is %ener"!!$ not to be !ess th"n %iven in T"b!e A

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DETNORSKEVERITAS AS

For feed #i#es+ # sh"!! be t"&en e.u"! to #?#A#B#

-ilge6 ballastand general

seawater pipes"#>#=#?#D#A#

-ilge6 air6 overflow and sounding pipes throughballast or fuel oil tan5s6 ballast lines through fuel

oil tan5s and fuel oil lines through ballast tan5s"##>#=#?#D#A#B#

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DETNORSKEVERITAS AS

8!# The design temperatureto be considered for determinin% the #ermissib!e stresses+ is norm"!!$ to be them"@imum tem#er"ture of the medium inside the #i#e) For s#eci"! c"ses+ the desi%n tem#er"ture ,i!! bes#eci"!!$ considered)

For stee! #i#es "nd #i#es of co##er "nd co##er "!!o$s+ ,hose ,or&in% tem#er"ture is !o,er th"n B;MC+ the

desi%n tem#er"ture sh"!! be t"&en e.u"! to B;MC)For s"tur"ted ste"m+ the desi%n tem#er"ture sh"!! be e.u"! to the s"tur"tion tem#er"ture)

For su#erhe"ted ste"m ,ith m"nu"! ste"m tem#er"ture re%u!"tion+ the desi%n tem#er"ture sh"!! be t"&en "t !e"ste.u"! to the ste"m tem#er"ture >>>>>>>>>>>>>>>>>>> 'for other m"teri"!s(

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t.+ -h. "ec.7 ipes, pumps, valves, flexible hoses and detachable pipe connections etc. 2 age )

DETNORSKEVERITAS AS

8!1 For #i#es m"de of co##er "nd co##er "!!o$s the #ermissib!e stresses "re %iven in T"b!e A0 ,hich refersto co##er "nd co##er "!!o$s s#ecified in /t): Ch): Sec)tin "!!o$s "nd CuHNi "!!o$s ,ith Ni>content W Nic&e! ;*Nic&e! ;*?;"nne"!ed

?2; ? < B ? < 2 2 2B 2?

>>>>>>>D

R>>>>t;

D

R>>>>

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t.+ -h. "ec.7 ipes, pumps, valves, flexible hoses and detachable pipe connections etc. 2 age *

DETNORSKEVERITAS AS

8" For se"m!ess #i#es "nd for ,e!ded #i#es de!ivered b$ m"nuf"cturer "##roved for m"&in% ,e!ded #i#es,hich "re considered e.uiv"!ent to se"m!ess #i#es+ the stren%th r"tio e >>>>>>>8>>>>>>>>>>>>>>>>>>

#D

:;te #>>>>>>>>>>>>>>>>>>>>>>> 'mm(

e e< sin

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DETNORSKEVERITAS AS

Fig* 8E?a,ples &' accep%a7le 7ranch c&nnec%i&ns '&r s%ea, a% %e,pera%ures a7&0e #!!stressin%+ the de%ree "nd !oc"tion of the s"me sh"!! be st"ted)

A -!! S%ress calcula%i&n

-!" 3hen " therm"! stress "n"!$sis of " #i#in% s$stem bet,een t,o or more "nchor #oints is c"rried out+ thes$stem sh"!! be tre"ted "s " ,ho!e) The si%nific"nce of "!! #"rts of the !ine+ of restr"ints such "s so!id h"n%ers+s,"$ br"ces "nd %uides "nd of intermedi"te restr"ints bui!t in for the #ur#ose of reducin% !o"ds on e.ui#ment

or sm"!! br"nch !ines+ sh"!! be du!$ considered) The stress "n"!$sis sh"!! be c"rried out on the "ssum#tion th"tthe #i#in% s$stem e@#"nds from :;MC to the hi%hest o#er"tin% tem#er"ture) The modu!us of e!"sticit$ to be usedfor the #i#e m"teri"!+ is the v"!ue of s"me "t :;MC)

-! In c"rr$in% out " therm"! stress "n"!$sis+ stress concentr"tion f"ctors found to e@ist in com#onents other

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t.+ -h. "ec.7 ipes, pumps, valves, flexible hoses and detachable pipe connections etc. 2 age +

DETNORSKEVERITAS AS

th"n str"i%ht #i#es+ sh"!! be t"&en into "ccount) In c"ses ,here it is &no,n th"t such com#onents #ossess e@tr"f!e@ibi!it$+ this m"$ be incor#or"ted in the stress c"!cu!"tions) Stress concentr"tion f"ctors "nd f!e@ibi!it$f"ctors %iven in T"b!e A2 ,i!! be "cce#ted for use in the c"!cu!"tions ,hen other subst"nti"ted f"ctors m"$ be!"c&in%)

-!8 The therm"! e@#"nsion resu!t"nt stress ris defined "sG

b

tot"! bendin% stress 'N*mm2(

torsion"! stress in 'N*mm2(

6T torsion"! moment 'Nm(6of>#!"ne bendin% moments

section modu!us in bendin% of member 'mm3()

3hen the member cross>section in non>uniform+ the section modu!us of the m"tchin% #i#e sh"!! be used)

For br"nched s$stems+ ,here the br"nch di"meter is !ess th"n the he"der di"meter+ the br"nch section modu!usm"$ be t"&en "s the sm"!!er v"!ue ofG

rb:th"nd rb

:iibtb

rb

me"n cross>section"! r"dius of br"nch 'mm(

th thic&ness of #i#e ,hich m"tches he"der 'mm(

tb thic&ness of #i#e ,hich m"tches br"nch 'mm(

iib in>#!"ne stress concentr"tion f"ctor for br"nch)

-!# The resu!t"nt stress ris "t no #oint of the #i#in% s$stem to e@ceed the corres#ondin% stress r"n%e intG

int ;)B t& ;):B tv

t& #ermissib!e #i#e ,"!! stress "t

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DETNORSKEVERITAS AS

Gui4ance n&%e

If the #i#in% s$stem is fitted ,ith #re>stress 'co!d s#rin%(+ "!!o,"nce for this is %iven in ev"!u"tin% the #i#e re"ctionforces on connected m"chiner$) The fo!!o,in% formu!"e for estim"tin% #i#e re"ction forces m"$ be "##!ied ,henever"n effecti

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ts406_2014-07