5.5 -tu- protection against noise on board ships_shuri.ppt

8/9/2019 5.5 -TU- Protection against noise on board ships_SHURI.ppt

1/17

Hideyuki SHURI

Tokai University

PROTECTION AGAINST NOISE ON BOARD SHIPS

Tripartite 1t!O"to#er $%1%

Tokyo


2/17

Contents

2

2 Proposals for protection against noise on board ships

1 Introduction and Background

3 Discussion and action of the Sub-Committee in DE53

4 Japans proposals for a re!ision of the Code

5 Conclusions


3/17

Introdu"tion and Ba"k&round

3

1' T!e European Union (e)#er States *$+, and t!eEuropean Co))ission proposed t!e deve-op)ent o.a)end)ents to SO/AS re&u-ation 0123 and a revisiono. t!e Code on noise -eve-s on #oard s!ips at (SC 43session on O"to#er $%%+'

$' (SC approved a ne5 5ork pro&ra) ite) .or t!e Su#Co))ittee on S!ip Desi&n and E6uip)ent *DE,78Prote"tion a&ainst noise on #oard s!ips9'

The Sub-Committee on Ship Design and Equipment should

consider the possibilities of revising SOLAS regulation -!"#$%ith the aim of incorporating mandator& noise level limitsfor machiner& spaces' control rooms and %or(shops basedon a revised Code on )oise Levels on *oard Ships+ The Sub-Committee should further consider the introduction ofmandator& regulations to mandate noise level limits in other%or( and living spaces' %here it is found necessar& and

,


4/17

Proposa-s .or prote"tion a&ainst noise on#oard s!ips

T!e deve-op)ent o. a)end)ents o. SO/ASre&u-ation 0123 to in"orporate )andatorynoise re&u-ations'

A revision o. t!e e:istin& Code on noise-eve-s on #oard s!ips7 I(O reso-ution A';4*


5/17

Proposa- .or revised te:t in SO/ASre&u-ation 0123 in DE=321%

Regulation 36: Protection against noise8easures shall be ta(en to reduce the noise on board as far

as possible and in an& event it shall not e.ceed themandatory maximum noise limits and the maximumnoise exposure limits stipulated in IMO resolution

A.468 (), chapter 4.2 and chapter .The actualnoise levels shall be assessed on the basis ofmeasurement conditions stipulated in chapter 2 and! or equivalent internationall& recognised standards+,

At noise -eve-s a#ove 4=dB*A,7 ear prote"tion s!a-- #e

used' At noise -eve-s a#ove 4%dB*A,7 individua-!earin& prote"tors 5i-- #e )ade avai-a#-e'

T!e re&u-ation s!ou-d app-y to ne5 s!ips and )a>or"onversion s!ips'

5


6/17

Proposa- .or a)end)ents o. I(O reso-utionA';4 *


7/17

Proposa-s .or noise -eve- -i)its in DE=321%

Locations dB(A)Level

difference

Work area 1. Machiner s!aces" incl#din$ steerin$ en$ine 1%5 &5

2. 'n case of sto!!ed achiner in achine s!aces 5 n.a.

3. Work sho!s % &5

4. *e!arate se!arator roo 5 &5

5. Machiner control roos and anoe#vrin$ roos +% &5

6. ,aller +% &5+. Wheelho#se" incl#din$ radio roo 65 -

. Listenin$ !osts +% -

. /ffices in the accoodation and deck control roos 65 -

1%. *ho!s and ne0sa$ents 65 -

11. /ther 0ork areas 5 &5

ecreation areas 12. reatent roos (infirar) 6% -

13. *lee!in$ #arters 55 &5

14. ecreational and eercise roos 65 -

15. Messroos and other internal accoodation s!aces 6% &5

16. ternal ecreation areas +% &5

+


8/17



9/17



10/17

Dis"ussion and a"tion o. t!e Su#Co))ittee in DE=3

he )u%/Committee agreed as #ollo&ing0ie&s.

T!e Code on Noise /eve-s on Board S!ipss!ou-d #e revised as a rst step'

T!e revised Code s!ou-d not #e app-ied toe:istin& s!ips'

Di?eren"es in s!ip types and si@es s!ou-d #etaken into a""ount'

T!e provisions o. t!e Code s!ou-d #e )ade)andatory as a se"ond step'

1%

- . i i . ! d


11/17

apans proposa-s .or a revision o. t!e Code

11

$oise le0el limits T!e "urrent noise -i)its stipu-ated in t!e Code

s!ou-d #e a #asis' T!e Code s!ou-d app-y tone5 s!ips o. 17%%GT and over'

Revision o. t!e "urrent noise -eve- -i)its s!ou-d#e #ased on te"!ni"a- ana-ysis'

Sa)e noise -eve- -i)its s!ou-d #e used .or)a"!inery spa"es re&ard-ess o. s!ip si@e'

Di?erentiated noise -eve- -i)its #y s!ip si@ess!ou-d #e used .or a""o))odation spa"es'1%7%%%GT s!ou-d #e used as a t!res!o-d .ordi?erentiation'

N i - - . !i d


12/17

Noise -eve-s o. )a"!inery spa"es anda""o))odation spa"es

)i1e ! num%er

=7%%% 1%7%%%

1%7%%% $%7%%% 4

$%7%%% ;%7%%%

;%7%%% 4%7%%% 4

4%7%%% over 4

tota- 3

12


13/17

apans proposa-s .or noise -eve- -i)its

Locations1"6%%,&

1%"%%%,1%"%%%,&

Work s!aces 1. Machiner s!aces (contin#o#sl anned) % %

2. Machiner s!aces (not contin#o#sl anned) 11% 11%

3. Machiner control roos +5 +5

4. Worksho!s 5 5

5. 8on&s!ecified 0ork s!aces % %

8avi$ation s!aces 1. 8avi$ation 9rid$e and chartroos 65 652. Listenin$ !ort" navi$ation 9rid$e 0in$s +% +%

3. adio roos 6% 6%

4. adar roos 65 65

Accoodations!aces

1. :a9ins and hos!itals 6% 55

2. Mess roos" ecreation roos 65 6%

3. ecreation roos 65 6%

4. /!en recreation areas +5 +5

5. /ffices 65 6%

*ervice s!aces 1.,alles +5 +5

2. *erveries and !antries +5 +5

13

- . i i . t! C d


14/17

apans proposa-s .or a revision o. t!e Code

14

alues to %e used as a ardstic

Predi"ted va-ues and )easured va-ues arepossi#-e yardsti"k .or "o)p-yin& 5it! t!eCode'

It is ne"essary to deve-op re-ia#-e predi"tion

)et!ods to )ini)i@e predi"tion &aps in "aseo. usin& predi"ted va-ue'

Measurement conditions A""ordin& to t!e "urrent Code7 t!e )ain

propu-sion )a"!inery s!ou-d #e run at nor)a-desi&n servi"e s!a.t speed'

Application,exemption o# the Code T!e Code s!ou-d #e app-ied to on-y ne5 s!ips'

A - . !i i - - di ti


15/17

An e:a)p-e o. s!ip noise -eve- predi"tion Statisti"a- Ener&y Ana-ysis

Main en$ine

,enerators Main en$ine

15

n$ine roo ; accoodation str#ct#re odel


16/17

Con"-usions

16

Internationa- noise re&u-ations are ne"essary to

ensure sea.arers !ea-t! and sa.ety at 5ork'

T!ere are a -ot o. i)pa"ts on s!ip desi&n ande6uip)ent .or )andatory noise re&u-ations

and a revision o. noise -eve- -i)its in t!e"urrent Code7 I(O reso-ution A';4 *


17/17

T!ank you .or yourattention

T!ank you .or yourattention

1+

5.5 -tu- protection against noise on board ships_shuri.ppt

Documents