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SC 6 N 102 Annex B
添付資料 5-3
 
doc.nr. ISO/TC 8 N 964
date 2002-11-30
total pages 11

item nr.
Secretariat Japan Marine Standards Association 3-8, Mejiro 1 -chome, Toshima-ku Tokyo 171-0031 JAPAN
Telephone: + 81 3 3984 9051
Fax: + 81 3 3984 8994
E-mail: ogo@jmsa.jp
Title: Ships and marine technology
Secretariat: JMSA (Japan)
Report 20th meeting ISO/TC 8, Roseau(Dominica), 2001-10-23/24
(Abstract)
7. Report of the ISO/TC 8 Subcommittees
 
SC 6 Navigation (Japan)
 
Mr. Arikawa substituting for Prof. Iijima gave a detailed report of SC6 activities.
 
He reported that a new member country, Croatia became a O-member, and the 4 new work items requested by CEN, such as Rudder angle indicator, Propeller shaft revolution indicator, Rate of turn indicator and Propeller pitch indicator have planned to develop as international standards in SC6. This was unanimously approved by the delegates.
 
Mr. Arikawa announced the next meeting of SC6 will be held at Korea Rep. of in Oct. 2002 in conjunction with TC8 Plenary meeting.
 
The Chairman requested Mr. Arikawa to check the target date of "2001-04" with regard to 5.2, DIS 16329, because it has already passed and should be revised.
 
 
添付資料 5-4
Japanese proposal for an ISO NWIP as ISO/TC 8/SC 6/WG 3 Magnetic compasses
Unification of the ISO standards of magnetic compasses
Convener: Hiroshi Suzuki
 
1 I would like to propose above mentioned title as an ISO New Work Item Proposal.
 
2 Reason
In ISO standards we have the following standards about magnetic compasses.
(1) ISO 449: 1997, Ships and marine technology - magnetic compasses, binnacles and azimuth reading devices - Class A
(2) ISO 2269:1992, Shipbuilding - Class A magnetic compasses, azimuth reading devices and binnacles - Tests and certification
(3) ISO 613:2000, Ships and marine technology - magnetic compasses, binnacles and azimuth reading devices - Class B
(4) ISO 10316:1990, Shipbuilding - Class B magnetic compasses - Test and certification
(5) ISO 694:2000, Ships and marine technology -Positioning of magnetic compasses in ships
 
In these standards, magnetic compasses are classified into class A and class B. And both classes have each standard of performance requirements and that of testing method, required test results and certification. Concerning the positioning of the magnetic compasses, there is only one standard now.
In the present situations, when the performance requirements are changed to a new one by the reasons of technical development and others, it takes a lot of work and time to carry out the work of revisions towards concerning standards of test and certification in order to coincide with the contents each other.
In the meantime, we have to begin the revision of these standards of magnetic compasses just now to follow after the recent revision of SOLAS.
I think the best method to solve this issue may be the unification of these standards as the following draft contents we are going to discuss from now on. In the new draft, "positioning of magnetic compasses in ships" and stipulation of maximum values of residual deviation should be given in the annex. In addition to these, we have to discuss whether the hand bearing compasses, electronic magnetic compasses and transmitting heading devices-geomagnetic principle-are necessary to this standard or not.
 
Draft contents
 
1 Scope
2 Normative reference
3 Terms and definitions
4 Class A magnetic compasses
5 Class B magnetic compasses
6 Compass adjustment
Annex 1 (normative) Positioning
Annex 2 (informative) Determination of safe distance
Annex 3 (informative) Type test, individual test and certificate-magnetic compasses
Annex 4 (informative) Type test certificate-binnacles
Annex 5 (informative) Type test certificate-bearing instruments
Annex 6 (informative) Vocabulary (ISO 1069not seen in this standard)







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