Onderwerp: Bezoek-historie

94(46) Condition Assessment Scheme (MEPC.131(53))
Geldigheid:01-03-2004 t/m 04-04-2005Versie:◀2/6▶vergelijk Status: Was geldig

Dit onderwerp bevat de volgende rubrieken.

Ingangsdatum: 27-04-2001
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01 Preamble

1 - Preamble

1.1 The Condition Assessment Scheme (CAS) is intended to complement the requirements of Annex B of the Guidelines on the enhanced programme of inspections during surveys of bulk carriers and oil tankers (hereinafter called Enhanced Survey Programme), adopted by the Assembly of the International Maritime Organization by resolution A.744(18), as amended. The CAS is to verify that the structural condition of single hull oil tankers at the time of survey is acceptable and, provided subsequent periodical surveys are satisfactorily completed and effective maintenance is carried out by the ship’s operator, will continue to be acceptable for a continued period of operation, as indicated in the Statement of Compliance.

1.2 The requirements of the CAS include enhanced and transparent verification of the reported structural condition and of the ship and verification that the documentary and survey procedures have been properly carried out and completed.

1.3 The Scheme requires that compliance with the CAS is assessed during the Enhanced Survey Programme of Inspections concurrent with intermediate or renewal surveys currently required by resolution A.744(18), as amended.

1.4 The CAS does not specify structural standards in excess of the provisions of other International Maritime Organization conventions, codes and recommendations.

1.5 The CAS has been developed on the basis of the requirements of resolution A.744(18), as amended, which were known1 at the time of the adoption of the CAS. It is the intention to update the CAS as and when the need arises following amendments to resolution A.744(18), as amended.

1Assembly resolution A.744(18) as amended by resolution 2 of the 1997 SOLAS Conference, by resolution MSC.49(66) and by resolution MSC.105(73).
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

1 - Preamble

1.1 The Condition Assessment Scheme (CAS) is intended to complement the requirements of Annex B of the Guidelines on the enhanced programme of inspections during surveys of bulk carriers and oil tankers (hereinafter called Enhanced Survey Programme), adopted by the Assembly of the International Maritime Organization by resolution A.744(18), as amended. The CAS is to verify that the structural condition of single hull oil tankers at the time of survey is acceptable and, provided subsequent periodical surveys are satisfactorily completed and effective maintenance is carried out by the ship’s operator, will continue to be acceptable for a continued period of operation, as indicated in the Statement of Compliance.

1.2 The requirements of the CAS include enhanced and transparent verification of the reported structural condition and of the ship and verification that the documentary and survey procedures have been properly carried out and completed.

1.3 The Scheme requires that compliance with the CAS is assessed during the Enhanced Survey Programme of Inspections concurrent with intermediate or renewal surveys currently required by resolution A.744(18), as amended.

1.4 The CAS does not specify structural standards in excess of the provisions of other International Maritime Organization conventions, codes and recommendations.

1.5 The CAS has been developed on the basis of the requirements of resolution A.744(18), as amended, which were known1 at the time of the adoption of the CAS. It is the intention to update the CAS as and when the need arises following amendments to resolution A.744(18), as amended.

1Assembly resolution A.744(18) as amended by resolution 2 of the 1997 SOLAS Conference, by resolution MSC.49(66) and by resolution MSC.105(73).
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02 Purpose


The purpose of the Condition Assessment Scheme is to provide an international standard to meet the requirements of regulation 13G(7) of Annex I of the International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978 relating thereto, as amended by resolution MEPC.99(46).
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

The purpose of the Condition Assessment Scheme is to provide an international standard to meet the requirements of regulation 13G(7) of Annex I of the International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978 relating thereto, as amended by resolution MEPC.99(46).
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03 Definitions


For the purpose of the CAS, unless expressly provided otherwise:

3.1 ”MARPOL 73/78” means the Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships, 1973, as amended.

3.2 ”Regulation” means the regulations contained in Annex I of MARPOL 73/78.

3.3 ”Resolution A.744(18), as amended” means the Guidelines on the Enhanced Programme of Inspections during Surveys of Bulk Carriers and Oil tankers adopted by the Assembly of the International Maritime Organization by resolution A.744(18), as amended by Resolution 2 of the 1997 SOLAS Conference and by resolutions MSC.49(66) and MSC.105(73).

3.4 ”Recognised Organization (RO)” means an organization recognized by the Administration to perform the surveys in accordance with the provisions of regulation 4(3) of Annex I of MARPOL 73/78*.

3.5 ”Administration” means the Government of the State as defined in Article 2(5) of MARPOL 73/78.

3.6 ”Category 1 oil tanker” means an oil tanker of 20,000 tons deadweight and above carrying crude oil, fuel oil, heavy diesel oil or lubricating oil as cargo, and of 30,000 tons deadweight and above carrying oil other than the above, which does not comply with the requirements for new oil tankers as defined in regulation 1(26) of Annex I of MARPOL 73/78.

3.7 ”Category 2 oil tanker” means an oil tanker of 20,000 tons deadweight and above carrying crude oil, fuel oil, heavy diesel oil or lubricating oil as cargo, and of 30,000 tons deadweight and above carrying oil other than the above, which complies with the requirements for new oil tankers as defined in regulation 1(26) of Annex I of MARPOL 73/78.

3.8 ”Company” means the owner of the ship or any other organization or person such as the manager or the bareboat charterer, who has assumed the responsibility for the operation of the ship from the owner of the ship and who, on assuming such responsibility, has agreed to take over all duties and responsibilities imposed by the International Safety Management (ISM) Code.

3.9 ”Substantial corrosion” means an extent of corrosion such that the assessment of the corrosion pattern indicates wastage in excess of 75% of the allowable margins, but within acceptable limits.

3.10 ”GOOD condition” means a coating condition with only minor spot rusting.

3.11 ”Thickness Measurement (TM) Firm” means a qualified company certified by a RO in accordance with the principles stipulated in annex 7 to Annex B to resolution A.744(18), as amended.

3.12 ”Critical Structural Areas” are locations which have been identified from calculations to require monitoring or from the service history of the subject ship or from similar or sister ships to be sensitive to cracking, buckling or corrosion which would impair the structural integrity of the ship.

3.13 ”Suspect Areas” are locations showing substantial corrosion and/or are considered by the attending surveyor to be prone to rapid wastage.

3.14 Organization” means the International Maritime Organization.

* Under Regulation XI/1 of SOLAS 74, as amended, resolutions A.739(18) and A.789(19) are applicable to Recognized Organizations.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

For the purpose of the CAS, unless expressly provided otherwise:

3.1 ”MARPOL 73/78” means the Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships, 1973, as amended.

3.2 ”Regulation” means the regulations contained in Annex I of MARPOL 73/78.

3.3 ”Resolution A.744(18), as amended” means the Guidelines on the Enhanced Programme of Inspections during Surveys of Bulk Carriers and Oil tankers adopted by the Assembly of the International Maritime Organization by resolution A.744(18), as amended by Resolution 2 of the 1997 SOLAS Conference and by resolutions MSC.49(66) and MSC.105(73).

3.4 ”Recognised Organization (RO)” means an organization recognized by the Administration to perform the surveys in accordance with the provisions of regulation 4(3) of Annex I of MARPOL 73/78*.

3.5 ”Administration” means the Government of the State as defined in Article 2(5) of MARPOL 73/78.

3.6 ”Category 1 oil tanker” means an oil tanker of 20,000 tons deadweight and above carrying crude oil, fuel oil, heavy diesel oil or lubricating oil as cargo, and of 30,000 tons deadweight and above carrying oil other than the above, which does not comply with the requirements for new oil tankers as defined in regulation 1(26) of Annex I of MARPOL 73/78.

3.7 ”Category 2 oil tanker” means an oil tanker of 20,000 tons deadweight and above carrying crude oil, fuel oil, heavy diesel oil or lubricating oil as cargo, and of 30,000 tons deadweight and above carrying oil other than the above, which complies with the requirements for new oil tankers as defined in regulation 1(26) of Annex I of MARPOL 73/78.

3.8 ”Company” means the owner of the ship or any other organization or person such as the manager or the bareboat charterer, who has assumed the responsibility for the operation of the ship from the owner of the ship and who, on assuming such responsibility, has agreed to take over all duties and responsibilities imposed by the International Safety Management (ISM) Code.

3.9 ”Substantial corrosion” means an extent of corrosion such that the assessment of the corrosion pattern indicates wastage in excess of 75% of the allowable margins, but within acceptable limits.

3.10 ”GOOD condition” means a coating condition with only minor spot rusting.

3.11 ”Thickness Measurement (TM) Firm” means a qualified company certified by a RO in accordance with the principles stipulated in annex 7 to Annex B to resolution A.744(18), as amended.

3.12 ”Critical Structural Areas” are locations which have been identified from calculations to require monitoring or from the service history of the subject ship or from similar or sister ships to be sensitive to cracking, buckling or corrosion which would impair the structural integrity of the ship.

3.13 ”Suspect Areas” are locations showing substantial corrosion and/or are considered by the attending surveyor to be prone to rapid wastage.

3.14 Organization” means the International Maritime Organization.

* Under Regulation XI/1 of SOLAS 74, as amended, resolutions A.739(18) and A.789(19) are applicable to Recognized Organizations.
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04 General provisions


4.1 The Administration shall issue, or cause to be issued, detailed instructions to the RO which shall ensure that the CAS surveys are carried out in accordance with the provisions of sections 5 through 10 of this Scheme.

4.2 Nothing in this Scheme shall prevent an Administration from carrying out the CAS surveys itself, provided that such surveys are at least as effective as those prescribed in sections 5 through 10 in this Scheme.

4.3 The Administration shall require Category 1 and Category 2 oil tankers flying its flag to remain out of service during the periods referred to in paragraphs 5.1.1 and 5.1.2 respectively, until these oil tankers are issued with a valid Statement of Compliance.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

4.1 The Administration shall issue, or cause to be issued, detailed instructions to the RO which shall ensure that the CAS surveys are carried out in accordance with the provisions of sections 5 through 10 of this Scheme.

4.2 Nothing in this Scheme shall prevent an Administration from carrying out the CAS surveys itself, provided that such surveys are at least as effective as those prescribed in sections 5 through 10 in this Scheme.

4.3 The Administration shall require Category 1 and Category 2 oil tankers flying its flag to remain out of service during the periods referred to in paragraphs 5.1.1 and 5.1.2 respectively, until these oil tankers are issued with a valid Statement of Compliance.
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05 Application, scope and timing

Ingangsdatum: 27-04-2001
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5.1 Application


The requirements of the CAS apply to:
.1 Category 1 oil tankers, as defined in section 3, where authorization is requested for continued service beyond the anniversary of the date of delivery of the ship in 2005, through to the date as specified in the schedule indicated for compliance with the double hull requirements of regulation 13F, detailed in regulation 13G.
.2 Category 2 oil tankers, as defined in section 3, where authorization is requested for continued service beyond the anniversary of the date of delivery of the ship in 2010, through to the date as specified in schedule indicated for compliance with the double hull requirements of regulation 13F, detailed in regulation 13G.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

The requirements of the CAS apply to:
.1 Category 1 oil tankers, as defined in section 3, where authorization is requested for continued service beyond the anniversary of the date of delivery of the ship in 2005, through to the date as specified in the schedule indicated for compliance with the double hull requirements of regulation 13F, detailed in regulation 13G.
.2 Category 2 oil tankers, as defined in section 3, where authorization is requested for continued service beyond the anniversary of the date of delivery of the ship in 2010, through to the date as specified in schedule indicated for compliance with the double hull requirements of regulation 13F, detailed in regulation 13G.
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5.2 Scope of the CAS

Ingangsdatum: 27-04-2001

The CAS shall apply to surveys of the hull structure in way of cargo tanks, pump rooms, cofferdams, pipe tunnels, void spaces within the cargo area and all ballast tanks.
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5.3 Timing


5.3.1 The first CAS survey shall be aligned to the Enhanced Survey Programme of Inspection and shall be carried out concurrent with the scheduled intermediate or renewal survey due prior to the anniversary of the date of delivery of the ship in 2005 for Category 1 oil tankers and prior to the anniversary of the date of delivery of the ship in 2010 for Category 2 oil tankers.

5.3.2 Any subsequent CAS surveys, required for the renewal of the Statement of Compliance shall be carried out concurrently with the intermediate or renewal survey which has to be completed by the date of expiry of the Statement of Compliance.

5.3.3 Notwithstanding the above, the Company may, with the agreement of the Administration, opt to carry out the first CAS survey at a different time from that of the due survey referred to above, provided that all the requirements of the CAS are complied with.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

5.3.1 The first CAS survey shall be aligned to the Enhanced Survey Programme of Inspection and shall be carried out concurrent with the scheduled intermediate or renewal survey due prior to the anniversary of the date of delivery of the ship in 2005 for Category 1 oil tankers and prior to the anniversary of the date of delivery of the ship in 2010 for Category 2 oil tankers.

5.3.2 Any subsequent CAS surveys, required for the renewal of the Statement of Compliance shall be carried out concurrently with the intermediate or renewal survey which has to be completed by the date of expiry of the Statement of Compliance.

5.3.3 Notwithstanding the above, the Company may, with the agreement of the Administration, opt to carry out the first CAS survey at a different time from that of the due survey referred to above, provided that all the requirements of the CAS are complied with.
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06 Survey planning requirements

Ingangsdatum: 27-04-2001
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6.1 Preparations for the CAS survey


6.1.1 General procedures

6.1.1.1 Early and detailed planning to identify areas of potential risk is a prerequisite for the successful and timely completion of the CAS. The following sequence of events shall be observed.

6.1.1.2 Notification from the Company to the Administration and to the RO of its intention to proceed with the CAS shall be submitted not less than 8 months prior to the planned commencement of the CAS survey.

6.1.1.3 Upon receipt of such notification the RO shall:
.1 issue to the Company the Survey Planning Questionnaire (see Appendix 2) not later than 7 months prior to the planned commencement of the CAS survey; and
.2 advise the Company whether there have been any changes to the maximum acceptable structural corrosion diminution levels applicable to the ship.

6.1.1.4 The Company shall complete and return the Survey Planning Questionnaire to the RO not less than 5 months prior to the planned commencement of the CAS survey. A copy of the completed questionnaire shall be forwarded by the Company to the Administration.

6.1.1.5 The Survey Plan for the CAS shall be completed and submitted in signed order by the Company to the RO not less than 2 months prior to the planned commencement of the CAS survey. A copy of the Survey Plan for the CAS shall be forwarded by the Company to the Administration.

6.1.1.6 In special circumstances, such as re-activation from lay-up or unexpected events such as an extended stoppage period for hull or machinery damage, the Administration may, on a case by case basis, relax the time frame, outlined in 6.1.1.2 to 6.1.1.5, for commencement of CAS procedures.

6.1.1.7 Such relaxation shall, at all times, be subject to the RO having sufficient time to complete the CAS survey and for the Administration to review the CAS Final Report and issue the Statement of Compliance prior to the dates referred to in 5.1.

6.1.2 Survey Plan for the CAS

6.1.2.1 The Survey Plan for the CAS shall be developed by the Company in cooperation with the RO. The Administration may participate in the development of the Survey Plan, if it deems necessary. The RO shall be fully satisfied that the Survey Plan complies with the requirements of 6.2.2 prior to the CAS survey being commenced. The CAS survey shall not commence unless and until the Survey Plan has been agreed.

6.1.2.2 The Survey Planning Questionnaire shall be drawn up based on the format set out in Appendix 2.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

6.1.1 General procedures

6.1.1.1 Early and detailed planning to identify areas of potential risk is a prerequisite for the successful and timely completion of the CAS. The following sequence of events shall be observed.

6.1.1.2 Notification from the Company to the Administration and to the RO of its intention to proceed with the CAS shall be submitted not less than 8 months prior to the planned commencement of the CAS survey.

6.1.1.3 Upon receipt of such notification the RO shall:
.1 issue to the Company the Survey Planning Questionnaire (see Appendix 2) not later than 7 months prior to the planned commencement of the CAS survey; and
.2 advise the Company whether there have been any changes to the maximum acceptable structural corrosion diminution levels applicable to the ship.

6.1.1.4 The Company shall complete and return the Survey Planning Questionnaire to the RO not less than 5 months prior to the planned commencement of the CAS survey. A copy of the completed questionnaire shall be forwarded by the Company to the Administration.

6.1.1.5 The Survey Plan for the CAS shall be completed and submitted in signed order by the Company to the RO not less than 2 months prior to the planned commencement of the CAS survey. A copy of the Survey Plan for the CAS shall be forwarded by the Company to the Administration.

6.1.1.6 In special circumstances, such as re-activation from lay-up or unexpected events such as an extended stoppage period for hull or machinery damage, the Administration may, on a case by case basis, relax the time frame, outlined in 6.1.1.2 to 6.1.1.5, for commencement of CAS procedures.

6.1.1.7 Such relaxation shall, at all times, be subject to the RO having sufficient time to complete the CAS survey and for the Administration to review the CAS Final Report and issue the Statement of Compliance prior to the dates referred to in 5.1.

6.1.2 Survey Plan for the CAS

6.1.2.1 The Survey Plan for the CAS shall be developed by the Company in cooperation with the RO. The Administration may participate in the development of the Survey Plan, if it deems necessary. The RO shall be fully satisfied that the Survey Plan complies with the requirements of 6.2.2 prior to the CAS survey being commenced. The CAS survey shall not commence unless and until the Survey Plan has been agreed.

6.1.2.2 The Survey Planning Questionnaire shall be drawn up based on the format set out in Appendix 2.
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6.2 Survey Plan documentation


6.2.1 In developing the Survey Plan, the following documentation shall be collected and reviewed with a view to identifying tanks, areas and structural elements to be examined:
.1 basic ship information and survey status;
.2 main structural plans of cargo and ballast tanks (scantling drawings), including information regarding use of high tensile steels (HTS);
.3 Condition Evaluation Report, according to Annex 9 of Annex B of resolution A.744(18), as amended, and, where relevant, any previous CAS Final Reports;
.4 thickness measurement reports;
.5 relevant previous damage and repair history;
.6 relevant previous survey and inspection reports from both the RO and the Company;
.7 cargo and ballast history for the last 3 years, including carriage of cargo under heated conditions;
.8 details of the inert gas plant and tank cleaning procedures as indicated in the Survey Planning Questionnaire;
.9 information and other relevant data regarding conversion or modification of the ship’s cargo and ballast tanks since the time of construction;
.10 description and history of the coating and corrosion protection system (including anodes and previous class notations), if any;
.11 inspections by the Company’s personnel during the last 3 years with reference to:
     .1 structural deterioration in general;
     .2 leakages in tank boundaries and piping;
     .3 condition of the coating and corrosion protection system (including anodes), if any;
.12 information regarding the relevant maintenance level during operation including:
     .1 port State control reports of inspection containing hull related deficiencies;
     .2 Safety Management System non-conformities relating to hull maintenance, including the associated corrective action(s); and
.13 any other information that will help identify Suspect Areas and Critical Structural Areas.

6.2.2 The Survey Plan shall include relevant information so as to enable the successful and efficient execution of the CAS survey and shall set out the requirements with respect to close-up surveys and thickness measurements. The Survey Plan shall include:
.1 basic ship information and particulars;
.2 main structural plans of cargo and ballast tanks (scantling drawings), including information regarding use of high tensile steels (HTS);
.3 arrangement of tanks;
.4 list of tanks with information on their use, extent of coatings and corrosion protection systems;
.5 conditions for survey (e.g. information regarding tank cleaning, gas freeing, ventilation, lighting, etc.);
.6 provisions and methods for access to structures;
.7 equipment for surveys;
.8 identification of tanks and areas for the close-up survey;
.9 identification of tanks for tank testing, as per Annex 3 of Annex B of resolution A.744(18), as amended;
.10 identification of areas and sections for thickness measurement;
.11 identification of the Thickness Measurement (TM) firm;
.12 damage experience related to the ship in question; and
.13 Critical Structural Areas and Suspect Areas, where relevant.
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Ingangsdatum: 01-03-2004
Geldig tot en met: 30-09-2014

6.2 - Survey Plan documentation

6.2.1 In developing the Survey Plan, the following documentation shall be collected and reviewed with a view to identifying tanks, areas and structural elements to be examined:

  1. basic ship information and survey status;

  2. main structural plans of cargo and ballast tanks (scantling drawings), including information regarding use of high tensile steels (HTS);

  3. Condition Evaluation Report, according to Annex 9 of Annex B of resolution A.744(18), as amended, and, where relevant, any previous CAS Final Reports;

  4. thickness measurement reports;

  5. relevant previous damage and repair history;

  6. relevant previous survey and inspection reports from both the RO and the Company;

  7. cargo and ballast history for the last 3 years, including carriage of cargo under heated conditions;

  8. details of the inert gas plant and tank cleaning procedures as indicated in the Survey Planning Questionnaire;

  9. information and other relevant data regarding conversion or modification of the ship’s cargo and ballast tanks since the time of construction;

  10. description and history of the coating and corrosion protection system (including anodes and previous class notations), if any;

  11. inspections by the Company’s personnel during the last 3 years with reference to:

  1. structural deterioration in general;

  2. leakages in tank boundaries and piping;

  3. condition of the coating and corrosion protection system (including anodes), if any;

  • information regarding the relevant maintenance level during operation including:

  1. port State control reports of inspection containing hull related deficiencies;

  2. Safety Management System non-conformities relating to hull maintenance, including the associated corrective action(s); and

  •  any other information that will help identify Suspect Areas and Critical Structural Areas.

6.2.2 The Survey Plan shall include relevant information so as to enable the successful and efficient execution of the CAS survey and shall set out the requirements with respect to close-up surveys and thickness measurements. The Survey Plan shall include:

  1. basic ship information and particulars;

  2. main structural plans of cargo and ballast tanks (scantling drawings), including information regarding use of high tensile steels (HTS);

  3. arrangement of tanks;

  4. list of tanks with information on their use, extent of coatings and corrosion protection systems;

  5. conditions for survey (e.g. information regarding tank cleaning, gas freeing, ventilation, lighting, etc.);

  6. provisions and methods for access to structures;

  7. equipment for surveys;

  8. identification of tanks and areas for the close-up survey;

  9. identification of tanks for tank testing, as per Annex 3 of Annex B of resolution A.744(18), as amended;

  10. identification of areas and sections for thickness measurement;

  11. identification of the Thickness Measurement (TM) firm;

  12. damage experience related to the ship in question; and

  13. Critical Structural Areas and Suspect Areas, where relevant.

6.2.3 The Survey Plan shall be developed using the Model Survey Plan for CAS set out in Appendix 3.

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6.3 Documentation on board

Ingangsdatum: 27-04-2001

6.3.1 The Company shall ensure that, in addition to the agreed Survey Plan, all other documents used in the development of the Survey Plan referred to in 6.2.1 are available on board at the time of the CAS survey.

6.3.2 Prior to the commencement of any part of the CAS survey, the attending surveyor(s) shall examine and ascertain the completeness of the on board documentation and shall review its contents with a view to ensuring that the Survey Plan remains relevant.
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6.4 Conduct of CAS surveys

Ingangsdatum: 01-03-2004

6.4.1 The conditions for CAS Survey, the conditions and method of access to the structures, the equipment for CAS Survey and the communication arrangements implemented during the CAS Survey shall meet the Mandatory Requirements for the Safe Conduct of CAS Surveys set out in Appendix 4.
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07 CAS survey requirements

Ingangsdatum: 27-04-2001
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7.1 General

Ingangsdatum: 27-04-2001

7.1.1 Prior to the commencement of any part of the CAS survey a meeting shall be held between the attending surveyor(s), the Company’s representative(s) in attendance, the TM Firm Operator (as applicable) and the master of the ship for the purpose of ascertaining that all the arrangements envisaged in the Survey Plan are in place, so as to ensure the safe and efficient execution of the survey work to be carried out.

7.1.2 The CAS survey shall be carried out by not less than two qualified exclusive surveyors of the RO. A qualified surveyor of the RO shall attend on board during the taking of the thickness measurements for the purpose of controlling the process.

7.1.3 The RO shall designate the surveyor(s) and any other personnel who will be engaged in the CAS of each vessel and shall keep records to this end. A qualified surveyor(s) shall have documented experience in carrying out intermediate or renewal surveys in accordance with the Enhanced Survey Programme of Inspection for tankers. In addition, all RO personnel to be assigned duties in connection with the CAS shall complete, prior to the assignment of such duties, an appropriate training and familiarization programme to enable the RO to ensure the consistent and uniform application of the CAS. The Administration shall require the RO to keep records of the qualifications and experience of the surveyors and of other personnel assigned to carry out work for the CAS. The Administration shall require the RO to monitor the performance of the personnel who have carried out or have been engaged in any CAS work and to keep records to this end.

7.1.4 When the CAS survey is split between survey stations, a list of the items examined and an indication of whether the CAS survey has been completed shall be made available to the attending surveyors at the next survey station prior to continuing the CAS survey.

7.1.5 Whenever the attending surveyors are of the opinion that repairs are required, each item to be repaired shall be identified in a numbered list. Whenever repairs are carried out, details of the repairs effected shall be reported by making specific reference to relevant items in the numbered list.

7.1.6 Whenever the attending surveyors are of the opinion that it is acceptable to defer hull repairs beyond the due date previously assigned, such a decision shall not be left to the sole discretion of the attending surveyors. The RO Headquarters shall be consulted in such circumstances and shall give specific approval to the recommended action.

7.1.7 The CAS survey is not complete unless all recommendations/conditions of class which relate to hull structures under review by the CAS survey have been rectified to the satisfaction of the RO.
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7.2 Extent of overall and close-up surveys


7.2.1 Overall survey
An overall survey of all spaces set out in 5.2 shall be carried out at the CAS survey.

7.2.2 Close-up survey
The requirements for close-up surveys at the CAS survey are set out in the table below.

Table 7.2.2
Close up Survey Requirements
All web frame rings, in all ballast tanks (see note 1)
All web frame rings, in a cargo wing tank (see note 1)
A minimum of 30% of all web frame rings, in each remaining cargo wing tank (see note 1)
All transverse bulkheads, in all cargo and ballast tanks (see note 2)
A minimum of 30% of deck and bottom transverses including adjacent structural members,
in eac cargo centre tank
Additional complete transverse web frame rings or deck and bottom transverse including
adjacent structural members as considered necessary by the attending surveyor

Notes:
1 Complete transverse web frame ring including adjacent structural members.
2 Complete transverse bulkhead, including girder and stiffener systems and adjacent members.

7.2.3 The attending surveyors may extend the scope of the close-up survey as considered necessary, taking into account the Survey Plan, the condition of the spaces under survey, the condition of the corrosion prevention system and also the following:
.1 any information that may be available on Critical Structural Areas;
.2 tanks which have structures with reduced scantlings in association with a corrosion prevention system approved by the RO.

7.2.4 For areas in tanks where coatings are found to be in GOOD condition, the extent of close-up surveys according to 7.2.2 may be specially considered by the RO. However, sufficient close-up surveys shall be carried out, in all cases, to confirm the actual average condition of the structure and to note the maximum observed diminution of the structure.
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Ingangsdatum: 01-03-2004

7.2.1 Overall survey
An overall survey of all spaces set out in 5.2 shall be carried out at the CAS survey.

7.2.2 Close-up survey
The requirements for close-up surveys at the CAS survey are set out in the table below.

Table 7.2.2
Close up Survey Requirements
All web frame rings, in all ballast tanks (see note 1)
All web frame rings, in a cargo wing tank (see note 1)
A minimum of 30% of all web frame rings, in each remaining cargo wing tank (see note 1 and 3)
All transverse bulkheads, in all cargo and ballast tanks (see note 2)
A minimum of 30% of deck and bottom transverses including adjacent structural members,
in each cargo centre tank (see note 3)
Additional complete transverse web frame rings or deck and bottom transverse including
adjacent structural members as considered necessary by the attending surveyor

Notes:
1 Complete transverse web frame ring including adjacent structural members.
2 Complete transverse bulkhead, including girder and stiffener systems and adjacent members.
3 The 30% shall be rounded up to the next whole integer.

7.2.3 The attending surveyors may extend the scope of the close-up survey as considered necessary, taking into account the Survey Plan, the condition of the spaces under survey, the condition of the corrosion prevention system and also the following:
.1 any information that may be available on Critical Structural Areas;
.2 tanks which have structures with reduced scantlings in association with a corrosion prevention system approved by the RO.

7.2.4 For areas in tanks where coatings are found to be in GOOD condition, the extent of close-up surveys according to 7.2.2 may be specially considered by the RO. However, sufficient close-up surveys shall be carried out, in all cases, to confirm the actual average condition of the structure and to note the maximum observed diminution of the structure.
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7.3 Extent of thickness measurements


7.3.1 The thickness measurements shall be recorded using the tables contained in Appendix 2 of Annex 10 of Annex B of resolution A.744(18), as amended. It is recommended that these records be kept in an electronic medium.

7.3.2 The thickness measurements shall be carried out either prior to or, to the maximum extent possible, concurrently with the close-up survey.

7.3.3 The minimum requirements for thickness measurements for the CAS surveys shall be those set out in the table below:

Table 7.3.3
Thickness Measurements Requirements
1. Within the cargo area:
      .1 Each deck plate
      .2 Three transverse sections
      .3 Each bottom plate
2. Measurements of structural members subject to close-up survey according
to 7.2.2, for general assessment and recording of corrosion pattern
3. Suspect areas
4. Selected wind and water strakes outside the cargo area.
5. All wind and water strakes within the cargo area.
6. Internal structure in the fore and aft peak tanks
7. All exposed main deck plates outside the cargo area and all exposed first
tier superstructure deck plates


7.3.4 Where substantial corrosion is found, the extent of the thickness measurements shall be increased in accordance with Annex 4 of Annex B of resolution A.744(18), as amended.

7.3.5 In addition, the thickness measurements may be extended as considered necessary by the attending surveyors.

7.3.6 For areas in tanks where coatings are found to be in GOOD condition, the extent of thickness measurements, according to paragraph 7.3.3, may be specially considered by the RO. However, sufficient thickness measurements shall be taken, in all cases, to confirm the actual average condition and the maximum observed diminution of the structure.

7.3.7 The thickness measurement to be taken shall be sufficient to enable the reserve strength calculations in accordance with Annex 12 of Annex B of resolution A.744(18), as amended.

7.3.8 Transverse sections shall be chosen where the maximum diminutions are expected to occur or are revealed from deck plating thickness measurements. At least one transverse section shall include a ballast tank within 0.5L amidships.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 28-02-2008

7.3.1 The thickness measurements shall be recorded using the tables contained in Appendix 2 of Annex 10 of Annex B of resolution A.744(18), as amended. It is recommended that these records be kept in an electronic medium.

7.3.2 The thickness measurements shall be carried out either prior to or, to the maximum extent possible, concurrently with the close-up survey.

7.3.3 The minimum requirements for thickness measurements for the CAS surveys shall be those set out in the table below:

Table 7.3.3
Thickness Measurements Requirements
1. Within the cargo area:
      .1 Each deck plate
      .2 Three transverse sections
      .3 Each bottom plate
2. Measurements of structural members subject to close-up survey according
to 7.2.2, for general assessment and recording of corrosion pattern
3. Suspect areas
4. Selected wind and water strakes outside the cargo area.
5. All wind and water strakes within the cargo area.
6. Internal structure in the fore and aft peak tanks
7. All exposed main deck plates outside the cargo area and all exposed first
tier superstructure deck plates


7.3.4 Where substantial corrosion is found, the extent of the thickness measurements shall be increased in accordance with Annex 4 of Annex B of resolution A.744(18), as amended.

7.3.5 In addition, the thickness measurements may be extended as considered necessary by the attending surveyors.

7.3.6 For areas in tanks where coatings are found to be in GOOD condition, the extent of thickness measurements, according to paragraph 7.3.3, may be specially considered by the RO. However, sufficient thickness measurements shall be taken, in all cases, to confirm the actual average condition and the maximum observed diminution of the structure.

7.3.7 The thickness measurement to be taken shall be sufficient to enable the reserve strength calculations in accordance with Annex 12 of Annex B of resolution A.744(18), as amended.

7.3.8 Transverse sections shall be chosen where the maximum diminutions are expected to occur or are revealed from deck plating thickness measurements. At least one transverse section shall include a ballast tank within 0.5L amidships.
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08 Acceptance criteria

8 - Acceptance criteria

The acceptance criteria for the CAS shall be those set out in resolution A.744(18), as amended.

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Ingangsdatum: 27-04-2001
Geldig tot en met: 30-09-2014

8 - Acceptance criteria

The acceptance criteria for the CAS shall be those set out in resolution A.744(18), as amended.

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09 CAS survey reports

Ingangsdatum: 27-04-2001

9.1 A survey report shall be completed for the CAS survey. The report shall indicate the date, location (place), and where relevant, whether or not the CAS survey was carried out in dry-dock afloat or at sea. When the CAS survey is split between different survey stations, a report shall be made for each portion of the CAS survey.

9.2 Survey records relating to the CAS survey, including actions taken, shall form an auditable documentary trail, which shall be made available to the Administration, if requested.

9.3 In addition, the following shall be included in each CAS survey report:

.1 Extent of the Survey:
    .1 identification of the spaces where an overall survey has been carried out;
    .2 identification of location, in each space, where a close-up survey has been carried out, together with the means of access used; and
    .3 identification of the spaces, and locations in each space, where thickness measurements have been carried out; and

.2 Results of the Survey:
    .1 extent and condition of coating in each space. Identification of spaces fitted with anodes and the overall condition of the anodes;
    .2 structural condition reporting for each space, which shall include information on the following, as applicable:
        .1 corrosion (location and type of corrosion such as grooving, pitting, etc.);
        .2 cracks (location, description and extent);
        .3 buckling (location, description and extent);
        .4 indents (location, description and extent); and
        .5 areas of substantial corrosion; and

.3 Actions taken with respect to findings:
    .1 details of repairs completed on structural members in identified spaces, including the repair method and extent; and
    .2 list of items to be kept under observation for planning future inspections and surveys including any thickness measurements.

9.4 Where no defects are found, this shall be stated in the report for each space.

.5 The narrative report shall be supplemented by photographs showing the general condition of each space, including representative photographs or sketches of any of the above reported items.

9.6 The thickness measurement report shall be verified and endorsed by the attending surveyor.

9.7 The attending surveyors shall sign the CAS survey report.
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10 CAS final report to the Administration

Ingangsdatum: 27-04-2001
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10.1 Review of the CAS by the RO

Ingangsdatum: 27-04-2001
10.1.1 The RO Headquarters shall carry out a verification review of the CAS survey reports, the documents, photographs and other records relating to the CAS, as specified in section 9, for the purpose of ascertaining and confirming that the requirements of the CAS have been met. 10.1.2 The RO reviewing personnel shall not be engaged in any way whatsoever with the CAS survey under review.
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10.2 CAS Final Report to the Administration


10.2.1 The RO shall prepare a CAS Final Report to the Administration upon completion of the CAS survey and following the review of the CAS survey reports by the RO’s Headquarters, as specified in paragraph 10.1.1.

10.2.2 The CAS Final Report shall be submitted by the RO to the Administration without delay and in any case not later than 2 months prior to the date the ship is required to be issued with a Statement of Compliance.

10.2.3 The CAS Final Report shall, at least, include:
.1 the following general particulars:
      Ship's name
      IMO number
      Flag State
      Port of registry
      Gross tonnage
      Deadweight (metric tonnes)
      Summer load line draught
      Date of delivery
      Category of ship
      Date for compliance with regulation 13F
      Company
      Report identification reference
.2 a summary as to where, when, by whom and how the CAS survey was carried out;
.3 a statement identifying all survey documentation, including the Survey Plan;
.4 a statement as to the condition of the corrosion prevention system(s) applied to the spaces;
.5 a statement identifying all thickness measurement reports;
.6 a summary of the findings of the overall surveys;
.7 a summary of the findings of the close-up surveys;
.8 a summary of the hull repairs carried out;
.9 an identification, together with the location, the extent and the condition, of all areas with substantial corrosion;
.10 a summary of the results of the evaluation of the thickness measurements, including identification of the areas and sections where thickness measurements were carried out;
.11 an evaluation of the structural strength of the vessel and an assessment of compliance with the acceptance criteria set out in section 8;
.12 a statement as to whether all the applicable requirements of the CAS have been met;
.13 a recommendation to the Administration as to whether the ship should be allowed to continue operating until the date envisaged in regulation 13G for compliance with the requirements of regulation 13F or for the period of validity of the CAS, if earlier; and
.14 conclusions.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

10.2.1 The RO shall prepare a CAS Final Report to the Administration upon completion of the CAS survey and following the review of the CAS survey reports by the RO’s Headquarters, as specified in paragraph 10.1.1.

10.2.2 The CAS Final Report shall be submitted by the RO to the Administration without delay and in any case not later than 2 months prior to the date the ship is required to be issued with a Statement of Compliance.

10.2.3 The CAS Final Report shall, at least, include:
.1 the following general particulars:
      Ship's name
      IMO number
      Flag State
      Port of registry
      Gross tonnage
      Deadweight (metric tonnes)
      Summer load line draught
      Date of delivery
      Category of ship
      Date for compliance with regulation 13F
      Company
      Report identification reference
.2 a summary as to where, when, by whom and how the CAS survey was carried out;
.3 a statement identifying all survey documentation, including the Survey Plan;
.4 a statement as to the condition of the corrosion prevention system(s) applied to the spaces;
.5 a statement identifying all thickness measurement reports;
.6 a summary of the findings of the overall surveys;
.7 a summary of the findings of the close-up surveys;
.8 a summary of the hull repairs carried out;
.9 an identification, together with the location, the extent and the condition, of all areas with substantial corrosion;
.10 a summary of the results of the evaluation of the thickness measurements, including identification of the areas and sections where thickness measurements were carried out;
.11 an evaluation of the structural strength of the vessel and an assessment of compliance with the acceptance criteria set out in section 8;
.12 a statement as to whether all the applicable requirements of the CAS have been met;
.13 a recommendation to the Administration as to whether the ship should be allowed to continue operating until the date envisaged in regulation 13G for compliance with the requirements of regulation 13F or for the period of validity of the CAS, if earlier; and
.14 conclusions.
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11 Verification of the CAS by the Administration


11.1 In addition to any instructions the Administration may have issued to the RO authorized to carry out surveys under the Enhance Survey Programme on its behalf, the Administration shall issue instructions to the RO and to Companies operating Category 1 and Category 2 oil tankers flying its flag, so that the Administration is able to monitor the performance of and verify compliance with the CAS.

11.2 The Administration, for the purpose of ensuring uniform and consistent implementation of the CAS, shall establish, at least, procedures through which it will:
.1 give effect to the requirements of the CAS;
.2 monitor the CAS work the RO is carrying out on its behalf;
.3 review the CAS Final Report;
.4 review cases of ships which have been submitted for the CAS re-assessment; and
.5 issue the Statement of Compliance.

11.3 The Administration shall review the CAS Final Report prior to the issue of the Statement of Compliance, shall record and document the findings and conclusions of the review and its decision as to the acceptance or rejection of the CAS Final Report and shall produce a Review Record.

11.4 The Administration shall ensure that any persons assigned to monitor the execution of the CAS or to review a CAS Final Report:
.1 are adequately qualified and experienced to the satisfaction of the Administration;
.2 are under the direct control of the Administration; and
.3 have no connection whatsoever with the RO which carried out the CAS survey under review.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

11.1 In addition to any instructions the Administration may have issued to the RO authorized to carry out surveys under the Enhance Survey Programme on its behalf, the Administration shall issue instructions to the RO and to Companies operating Category 1 and Category 2 oil tankers flying its flag, so that the Administration is able to monitor the performance of and verify compliance with the CAS.

11.2 The Administration, for the purpose of ensuring uniform and consistent implementation of the CAS, shall establish, at least, procedures through which it will:
.1 give effect to the requirements of the CAS;
.2 monitor the CAS work the RO is carrying out on its behalf;
.3 review the CAS Final Report;
.4 review cases of ships which have been submitted for the CAS re-assessment; and
.5 issue the Statement of Compliance.

11.3 The Administration shall review the CAS Final Report prior to the issue of the Statement of Compliance, shall record and document the findings and conclusions of the review and its decision as to the acceptance or rejection of the CAS Final Report and shall produce a Review Record.

11.4 The Administration shall ensure that any persons assigned to monitor the execution of the CAS or to review a CAS Final Report:
.1 are adequately qualified and experienced to the satisfaction of the Administration;
.2 are under the direct control of the Administration; and
.3 have no connection whatsoever with the RO which carried out the CAS survey under review.
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12 Re-assessment of ships following failure to meet the requirements of the CAS


12.1 A ship which, in the opinion of the Administration, has failed to meet the requirements of the CAS, may be submitted for the CAS re-assessment. In such a case the grounds on which Administration declined the issue of a Statement of Compliance to the ship shall be addressed and dealt with and the remedial actions shall, thereafter, be reviewed for the purpose of ascertaining whether the requirements of the CAS have been complied with.

12.2 Such re-assessment, as a rule, shall be carried out by the RO and by the Administration who carried out the previous CAS.

12.3 If a ship which has failed to obtain a Statement of Compliance changes flag, the new Administration shall, in accordance with the provisions of regulation 8(3), request the previous Administration to transmit to them copies of the CAS documentation relating to that ship for the purpose of ascertaining whether the grounds on the basis of which the previous Administration declined the issue to the ship of a Statement of Compliance are dealt with and that the CAS is implemented in a consistent and uniform manner.

12.4 As a rule, the CAS re-assessment shall be carried out as soon as possible and in any case, subject to the provisions of paragraph 5.3, not later than 6 months following the date on which the Administration has made the decision to decline the issue of a Statement of Compliance to the ship.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 31-12-2006

12.1 A ship which, in the opinion of the Administration, has failed to meet the requirements of the CAS, may be submitted for the CAS re-assessment. In such a case the grounds on which Administration declined the issue of a Statement of Compliance to the ship shall be addressed and dealt with and the remedial actions shall, thereafter, be reviewed for the purpose of ascertaining whether the requirements of the CAS have been complied with.

12.2 Such re-assessment, as a rule, shall be carried out by the RO and by the Administration who carried out the previous CAS.

12.3 If a ship which has failed to obtain a Statement of Compliance changes flag, the new Administration shall, in accordance with the provisions of regulation 8(3), request the previous Administration to transmit to them copies of the CAS documentation relating to that ship for the purpose of ascertaining whether the grounds on the basis of which the previous Administration declined the issue to the ship of a Statement of Compliance are dealt with and that the CAS is implemented in a consistent and uniform manner.

12.4 As a rule, the CAS re-assessment shall be carried out as soon as possible and in any case, subject to the provisions of paragraph 5.3, not later than 6 months following the date on which the Administration has made the decision to decline the issue of a Statement of Compliance to the ship.
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13 Statement of compliance


13.1 The Administration shall, in accordance with its procedures, issue to each ship which completes the CAS to the satisfaction of the Administration, a Statement of Compliance.

13.2 The Statement of Compliance shall be drawn up in the official language of the issuing Administration in a form corresponding to the model given in Appendix 1. If the language used is neither English, French or Spanish, the text shall include a translation into one of these languages.

13.3 The original of the Statement of Compliance shall be placed on board the ship as a supplement to the ship’s International Oil Pollution Prevention Certificate.

13.4 In addition, a copy of the CAS Final Report which was reviewed by the Administration for the issue of the Statement of Compliance and a copy of the Review Record, specified in paragraph 11.3, shall be placed on board to accompany the Statement of Compliance.

13.5 A certified copy of the Statement of Compliance and a copy of the Review Record, specified in paragraph 11.3, shall be forwarded by the Administration to the RO and shall be kept together with the CAS Final Report.

13.6 The Statement of Compliance shall be valid, following the completion of the CAS survey, until the earlier date of either:
.1 the earlier date by which the ship is required to complete:
    .1 an intermediate survey, in accordance with regulation 4(1)(c); or
    .2 a renewal survey, in accordance with regulation 4(1)(b); or
.2 the date by which the vessel is required, in accordance with regulation 13G, to comply with the requirements of regulation 13F.

13.7 If the Statement of Compliance expires prior to the date by which the ship is required, in accordance with regulation 13G, to comply with the requirements of regulation 13F, that ship, in order to continue operating after the expiry of its Statement of Compliance, shall carry out a renewal CAS survey in accordance with the requirements of sections 5 to 10.

13.8 The Administration may consider and declare that the Statement of Compliance of a ship remains valid and in full force and effect if:
.1 the ship is transferred to a RO other than the one that submitted the CAS Final Report that was reviewed and accepted for the issue of the Statement of Compliance; or
.2 the ship is operated by a Company other than the one that was operating the ship at the time of the completion of the CAS survey;
provided the period of validity and the terms and conditions for the issue of the Statement of Compliance in question remain those adopted by the Administration at the time of the issue of the Statement of Compliance.

13.9 If a ship with a valid Statement of Compliance is transferred to the flag of another Party, the new Administration may issue to that ship a new Statement of Compliance on the basis of the Statement of Compliance issued by the previous Administration, provided that the new Administration:
.1 requests and receives from the previous Administration, in accordance with regulation 8(3), copies of all the CAS documentation relating to that ship which the previous Administration has used for the issue or renewal and the maintenance of the validity of the Statement of Compliance the ship was issued with at the time of the transfer;
.2 establishes that the RO which submitted the CAS Final Reports to the previous Administration is an RO authorised to act on its behalf;
.3 reviews the documentation referred to in subparagraph .1 and is satisfied that the requirements of the CAS are met; and
.4 limits the period and the terms and conditions of validity of the Statement of Compliance to be issued to those established by the previous Administration.

13.10 The Administration shall:
.1 suspend and/or withdraw the Statement of Compliance of a ship if it no longer complies with the requirements of the CAS; and
.2 withdraw the Statement of Compliance of a ship if it is no longer entitled to fly its flag.
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

13.1 The Administration shall, in accordance with its procedures, issue to each ship which completes the CAS to the satisfaction of the Administration, a Statement of Compliance.

13.2 The Statement of Compliance shall be drawn up in the official language of the issuing Administration in a form corresponding to the model given in Appendix 1. If the language used is neither English, French or Spanish, the text shall include a translation into one of these languages.

13.3 The original of the Statement of Compliance shall be placed on board the ship as a supplement to the ship’s International Oil Pollution Prevention Certificate.

13.4 In addition, a copy of the CAS Final Report which was reviewed by the Administration for the issue of the Statement of Compliance and a copy of the Review Record, specified in paragraph 11.3, shall be placed on board to accompany the Statement of Compliance.

13.5 A certified copy of the Statement of Compliance and a copy of the Review Record, specified in paragraph 11.3, shall be forwarded by the Administration to the RO and shall be kept together with the CAS Final Report.

13.6 The Statement of Compliance shall be valid, following the completion of the CAS survey, until the earlier date of either:
.1 the earlier date by which the ship is required to complete:
    .1 an intermediate survey, in accordance with regulation 4(1)(c); or
    .2 a renewal survey, in accordance with regulation 4(1)(b); or
.2 the date by which the vessel is required, in accordance with regulation 13G, to comply with the requirements of regulation 13F.

13.7 If the Statement of Compliance expires prior to the date by which the ship is required, in accordance with regulation 13G, to comply with the requirements of regulation 13F, that ship, in order to continue operating after the expiry of its Statement of Compliance, shall carry out a renewal CAS survey in accordance with the requirements of sections 5 to 10.

13.8 The Administration may consider and declare that the Statement of Compliance of a ship remains valid and in full force and effect if:
.1 the ship is transferred to a RO other than the one that submitted the CAS Final Report that was reviewed and accepted for the issue of the Statement of Compliance; or
.2 the ship is operated by a Company other than the one that was operating the ship at the time of the completion of the CAS survey;
provided the period of validity and the terms and conditions for the issue of the Statement of Compliance in question remain those adopted by the Administration at the time of the issue of the Statement of Compliance.

13.9 If a ship with a valid Statement of Compliance is transferred to the flag of another Party, the new Administration may issue to that ship a new Statement of Compliance on the basis of the Statement of Compliance issued by the previous Administration, provided that the new Administration:
.1 requests and receives from the previous Administration, in accordance with regulation 8(3), copies of all the CAS documentation relating to that ship which the previous Administration has used for the issue or renewal and the maintenance of the validity of the Statement of Compliance the ship was issued with at the time of the transfer;
.2 establishes that the RO which submitted the CAS Final Reports to the previous Administration is an RO authorised to act on its behalf;
.3 reviews the documentation referred to in subparagraph .1 and is satisfied that the requirements of the CAS are met; and
.4 limits the period and the terms and conditions of validity of the Statement of Compliance to be issued to those established by the previous Administration.

13.10 The Administration shall:
.1 suspend and/or withdraw the Statement of Compliance of a ship if it no longer complies with the requirements of the CAS; and
.2 withdraw the Statement of Compliance of a ship if it is no longer entitled to fly its flag.
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14 Communication of information to the organization

Ingangsdatum: 27-04-2001

14.1 The Administration shall communicate to the Organization:
.1 particulars of the Statements of Compliance issued;
.2 details of the suspension or withdrawal of the Statements of Compliance issued; and
.3 particulars of the ships to which it has declined the issue of a Statement of Compliance and reasons thereof.

14.2 The Organization shall circulate the aforementioned information to all Parties to MARPOL 73/78 and shall maintain an electronic database containing the aforesaid information, accessible only to Parties to MARPOL 73/78.
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Appendix 1 Form of Statement of Compliance


STATEMENT OF COMPLIANCEIssued under the provisions of the Condition Assessment Scheme (CAS) adopted by the Organization by resolution MEPC 94(46) under the authority of the Government of:
………………………………………………… full designation of the country
Particulars of shipName of ship .......................................................................................................... Distinctive number or letters .................................................................................... Port of registry ....................................................................................................... Gross tonnage ........................................................................................................ Deadweight of ship (metric tons) ............................................................................ IMO number ......................................................................................................... Category of tanker ................................................................................................. THIS IS TO CERTIFY: 1 That the ship has been surveyed in accordance with the requirements of CAS (resolution MEPC 94(46); 2 That the survey showed that the structural condition of the ship is in all respects satisfactory and the ship complied with the requirements of the CAS. This Statement of Compliance is valid until ................................................. Issued at .........................................................................................................(Place of issue)................................. (Date of issue)..................................................................................................... (Signature of duly authorized official issuing the Statement)
Seal or stamp of the authority, as appropriate
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Ingangsdatum: 27-04-2001
Geldig tot en met: 04-04-2005

STATEMENT OF COMPLIANCEIssued under the provisions of the Condition Assessment Scheme (CAS) adopted by the Organization by resolution MEPC 94(46) under the authority of the Government of:
………………………………………………… full designation of the country
Particulars of shipName of ship .......................................................................................................... Distinctive number or letters .................................................................................... Port of registry ....................................................................................................... Gross tonnage ........................................................................................................ Deadweight of ship (metric tons) ............................................................................ IMO number ......................................................................................................... Category of tanker ................................................................................................. THIS IS TO CERTIFY: 1 That the ship has been surveyed in accordance with the requirements of CAS (resolution MEPC 94(46); 2 That the survey showed that the structural condition of the ship is in all respects satisfactory and the ship complied with the requirements of the CAS. This Statement of Compliance is valid until ................................................. Issued at .........................................................................................................(Place of issue)................................. (Date of issue)..................................................................................................... (Signature of duly authorized official issuing the Statement)
Seal or stamp of the authority, as appropriate
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Appendix 1 Form of Interim Statement of Compliance

[Niet geldig (geldigheid vanaf 2005-04-05)]
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Appendix 2 Survey Planning Questionnaire

Appendix 2 - Survey Planning Questionnaire

The following information will enable the Company in co-operation with the RO to develop a Survey Plan complying with the requirements of the CAS.

It is essential that the Company provides, when completing the present questionnaire, up-to-date information.

The present questionnaire, when completed, shall provide all information and material required by the CAS.

Particulars

Ship's name:
IMO number:
Flag State:
Port of registry:
Gross tonnage:
Deadweight (metric tonnes):
Summer load line draught:
Date of delivery:
Category of ship:
Date for compliance with regulation 13F:
Company:
Report identification reference:

Information on access provision for close-up surveys and thickness measurement:

The Company is requested to indicate, in the table below, the means of access to the structures subject to close-up survey and thickness measurement.

A Close-up survey is an examination where the details of structural components are within the close visual inspection range of the attending surveyor, i.e. preferably within reach of hand. Wing Tanks Centre Tanks

Space

Temporary
Staging

Rafts

Ladders

Direct
Access

Other means
(please specify)

Fore Peak

     
Wing
Tanks		Under deck     
Side deck     
Bottom
transverse		     
Long itudinal     
Trans verse     
Centre
Tanks		Under deck     
Bottom
transverse		     
Transverse     

 

Tank Cleaning Procedures:
Indicate the frequency of the tank washing especially in way of uncoated tanks :
 
 
 
 
Washing medium used:Crude oil:Yes/No
 Heated seawater:Yes/No
 Other medium (specify): 

 

Inert Gas System installed: Yes/No
Indicate average oxygen content during inerting:
Details of use of the inert case plant:
 

 

Cargo history for the last 3 years together with indication as to whether cargo was heated
 
 
 
 
 
 
 
 

 

Ballast history for the last 3 years
 
 
 
 
 
 
 
 

 

Inspections by the Company
Using a format similar to that of the table below (which is given as an example), the Company should provide details of the results of their inspections, for the last 3 years - in accordance with the requirements of resolution A.744(18), as amended, and of the CAS - on all CARGO and BALLAST tanks and VOID spaces within the cargo area. 

Spaces
(include frame numbers and p or s)

Corrosion
protection
(1)

Coating
Extent
(2)

Coating
Condition
(3)

Structural
deterioration
(4)

T ank
His tory
(5)

Cargo Centre Tanks     
      
      
      
      
Cargo Wing Tanks     
      
      
      
      
Slop     
      
      
      
Ballast tanks     
Aft peak     
      
      
      
      
      
Fore peak     
      
Miscellaneous spaces:     
      
      

* Indicate tanks which are used for oil/ ballast


 

1)HC=hard coating

 

 

 

 

Company:...............................................


Name/Signature:.....................................


Date:.......................................................

 

 

SC=soft coating
A=anodes
NP=no protection
2)U=upper part
M=middle part
L=lower part
C=complete
3)G=good
F=fair
P=poor
RC=recoated
4)N=no findings recorded
Y=findings recorded, description of findings is to
be attached to the questionnaire
5)D R=Damage & Repair
L=Leakages
CV=Conversion
CPS=Corrosion protection system
(reports to be attached)




Reports of port State control inspections 

List the reports of port State control of inspection containing hull related deficiencies and relevant information on the deficiencies:
 
 
 
 
 
 
 

 

 

Safety Management System

List non-conformities related to hull maintenance, including the associated corrective actions:
 
 
 
 
 
 
 
 

Name of the Thickness Measurement (TM) firm
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Ingangsdatum: 27-04-2001
Geldig tot en met: 31-12-2006

Appendix 2 - Survey Planning Questionnaire

The following information will enable the Company in co-operation with the RO to develop a Survey Plan complying with the requirements of the CAS.

It is essential that the Company provides, when completing the present questionnaire, up-to-date information.

The present questionnaire, when completed, shall provide all information and material required by the CAS.

Particulars

Ship's name:
IMO number:
Flag State:
Port of registry:
Gross tonnage:
Deadweight (metric tonnes):
Summer load line draught:
Date of delivery:
Category of ship:
Date for compliance with regulation 13F:
Company:
Report identification reference:

Information on access provision for close-up surveys and thickness measurement:

The Company is requested to indicate, in the table below, the means of access to the structures subject to close-up survey and thickness measurement.

A Close-up survey is an examination where the details of structural components are within the close visual inspection range of the attending surveyor, i.e. preferably within reach of hand. Wing Tanks Centre Tanks

Space

Temporary
Staging

Rafts

Ladders

Direct
Access

Other means
(please specify)

Fore Peak

     
Wing
Tanks		Under deck     
Side deck     
Bottom
transverse		     
Long itudinal     
Trans verse     
Centre
Tanks		Under deck     
Bottom
transverse		     
Transverse     

 

Tank Cleaning Procedures:
Indicate the frequency of the tank washing especially in way of uncoated tanks :
 
 
 
 
Washing medium used:Crude oil:Yes/No
 Heated seawater:Yes/No
 Other medium (specify): 

 

Inert Gas System installed: Yes/No
Indicate average oxygen content during inerting:
Details of use of the inert case plant:
 

 

Cargo history for the last 3 years together with indication as to whether cargo was heated
 
 
 
 
 
 
 
 

 

Ballast history for the last 3 years
 
 
 
 
 
 
 
 

 

Inspections by the Company
Using a format similar to that of the table below (which is given as an example), the Company should provide details of the results of their inspections, for the last 3 years - in accordance with the requirements of resolution A.744(18), as amended, and of the CAS - on all CARGO and BALLAST tanks and VOID spaces within the cargo area. 

Spaces
(include frame numbers and p or s)

Corrosion
protection
(1)

Coating
Extent
(2)

Coating
Condition
(3)

Structural
deterioration
(4)

T ank
His tory
(5)

Cargo Centre Tanks     
      
      
      
      
Cargo Wing Tanks     
      
      
      
      
Slop     
      
      
      
Ballast tanks     
Aft peak     
      
      
      
      
      
Fore peak     
      
Miscellaneous spaces:     
      
      

* Indicate tanks which are used for oil/ ballast


 

1)HC=hard coating

 

 

 

 

Company:...............................................


Name/Signature:.....................................


Date:.......................................................

 

 

SC=soft coating
A=anodes
NP=no protection
2)U=upper part
M=middle part
L=lower part
C=complete
3)G=good
F=fair
P=poor
RC=recoated
4)N=no findings recorded
Y=findings recorded, description of findings is to
be attached to the questionnaire
5)D R=Damage & Repair
L=Leakages
CV=Conversion
CPS=Corrosion protection system
(reports to be attached)




Reports of port State control inspections 

List the reports of port State control of inspection containing hull related deficiencies and relevant information on the deficiencies:
 
 
 
 
 
 
 

 

 

Safety Management System

List non-conformities related to hull maintenance, including the associated corrective actions:
 
 
 
 
 
 
 
 

Name of the Thickness Measurement (TM) firm
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Appendix 3 Model Survey Plan for CAS

Ingangsdatum: 01-03-2004
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Basic Information and Particulars


Name of Ship:
IMO Number:
Flag State:
Port of Registry:
Gross Tonnage:
Deadweight (metric tonnes):
Length Between Perpendiculars (m):
Breadth (m):
Depth (m):
Summer load line draught (m):
Builder:
Hull Number:
Recognised Organisation (RO):
RO Identity:
Class Notation:
Date of Delivery:
Category of Ship (1 or 2):
Date for compliance with Regulation 13F:
Company:
Thickness Measurement Firm:
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Ingangsdatum: 01-03-2004
Geldig tot en met: 31-12-2006

Name of Ship:
IMO Number:
Flag State:
Port of Registry:
Gross Tonnage:
Deadweight (metric tonnes):
Length Between Perpendiculars (m):
Breadth (m):
Depth (m):
Summer load line draught (m):
Builder:
Hull Number:
Recognised Organisation (RO):
RO Identity:
Class Notation:
Date of Delivery:
Category of Ship (1 or 2):
Date for compliance with Regulation 13F:
Company:
Thickness Measurement Firm:
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Basic Information and Particulars

[Niet geldig (geldigheid vanaf 2007-01-01)]
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01 Preamble

Ingangsdatum: 01-03-2004
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1.1 Scope


1.1.1 The present CAS Survey Plan covers the minimum extent of overall surveys, close-up surveys, thickness measurements and pressure testing within the cargo area, ballast tanks, including fore and aft peak tanks, required by the CAS adopted by resolution MEPC.94(46) as amended by resolution MEPC.99(48) for this ship.

1.1.2 The practical aspects of any part of the CAS survey shall be acceptable to the attending surveyor(s).
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Ingangsdatum: 01-03-2004
Geldig tot en met: 04-04-2005

1.1.1 The present CAS Survey Plan covers the minimum extent of overall surveys, close-up surveys, thickness measurements and pressure testing within the cargo area, ballast tanks, including fore and aft peak tanks, required by the CAS adopted by resolution MEPC.94(46) as amended by resolution MEPC.99(48) for this ship.

1.1.2 The practical aspects of any part of the CAS survey shall be acceptable to the attending surveyor(s).
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1.2 Documentation

Ingangsdatum: 01-03-2004

All documents used in the development of the CAS survey plan shall be available onboard during the CAS survey as required by paragraph 6.3.1 of the CAS.
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02 Arrangements of Tanks

Ingangsdatum: 01-03-2004

This section of the Plan shall provide information (either in the form of plans or text) on the arrangement of tanks that fall within the scope of the CAS survey.
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03 List of tanks with information on their use, extent of coatings and corrosion protection system

Ingangsdatum: 01-03-2004

This section of the Plan shall indicate any changes relating to (and shall update) the information on the use of the tanks of the ship, the extent of coatings and the corrosion protective system provided in the Survey Planning Questionnaire.
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04 Conditions for survey (e.g. information regarding tank cleaning, gas freeing, ventilation, lighting etc.)

Ingangsdatum: 01-03-2004

This section of the Plan shall indicate any changes relating to (and shall update) the information on the conditions for survey provided in the Survey Planning Questionnaire.d the corrosion protective system provided in the Survey Planning Questionnaire.
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05 Provisions and method of access to structures

Ingangsdatum: 01-03-2004

This section of the Plan shall indicate any changes relating to (and shall update) the information on the provisions and methods of access to structures provided in the Survey Planning Questionnaire.

The Mandatory Requirements for the Safe Conduct of CAS Surveys are contained in Appendix 3 to this Plan.
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06 List of equipment for survey (to be provided by the Company and supplemented by the Recognised Organisation, as necessary)

Ingangsdatum: 01-03-2004

This section of the Plan shall identify and list the equipment that will be made available for carrying out the CAS survey and the required thickness measurements.
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07 Survey requirements

Ingangsdatum: 01-03-2004
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7.1 Overall survey

Ingangsdatum: 01-03-2004

The CAS requirements
Paragraph 7.2.1 (and 5.2) of the CAS require that the hull structures in way of cargo tanks, pump rooms, cofferdams, pipe tunnels, void spaces within the cargo area and all ballast tanks shall undergo an overall survey.

The Plan
This section of the Plan shall identify and list the spaces that shall undergo an overall survey for this ship.
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7.2 Close up survey

Ingangsdatum: 01-03-2004

The CAS requirements
Paragraph 7.2.2 (and Table 7.2.2) of the CAS state the hull structures that shall undergo a close up survey. These are:

Close up survey requirements
All web frame rings, in all ballast tanks (see note 1)
All web frame rings, in a cargo wing tank, (see note 1)
A minimum of 30% of all web frame rings, in each remaining cargo wing tank (see notes 1 and 3)
All transverse bulkheads, in all cargo and ballast tanks (see note 2)
A minimum of 30 % of the deck and bottom transverses, including adjacent structural members, in each cargo centre tank (see note 3)
Additional complete transverse web frame rings or deck and bottom transverse including adjacent structural members as considered necessary by the surveyor

Notes:
1 Complete transverse web frame ring including adjacent structural member.
2 Complete transverse bulkhead, including girder and stiffener systems and adjacent members
3 The 30% shall be rounded up to the next whole integer.

In addition paragraphs 7.2.3 and 7.2.4 of the CAS provide further guidance as far as the extent and scope of the close up survey.

The Plan
This section of the Plan shall identify and list, using paragraph 7.2.2 (and Table 7.2.2) of the CAS, the hull structures that shall undergo a close up survey for this ship. In particular it shall:
.1 identify the cargo wing tank in which all web frame rings will undergo close up survey and indicate the number of web frame rings involved;
.2 identify the remaining cargo wing tanks in which a minimum of 30 % of the web frame rings will undergo a close up survey and indicate, for each tank, the number of web frame rings involved; and
.3 identify the cargo centre tanks in which a minimum of 30 % of the deck and bottom transverses, including adjacent structural members, in each cargo centre tank will undergo close up survey and indicate, for each tank, the number of the deck and bottom transverses, including adjacent structural members, involved.
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08 Identifications of tanks for tank testing

8 - Identifications of tanks for tank testing

The CAS requirements
Paragraph 6.2.2.9 of the CAS states that the tank testing shall be as per annex 3 of Annex B of resolution A.744(18) as amended.

The Plan
This section of the Plan shall identify and list the tanks that shall undergo tank testing for this ship.

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Ingangsdatum: 01-03-2004
Geldig tot en met: 30-09-2014

8 - Identifications of tanks for tank testing

The CAS requirements
Paragraph 6.2.2.9 of the CAS states that the tank testing shall be as per annex 3 of Annex B of resolution A.744(18) as amended.

The Plan
This section of the Plan shall identify and list the tanks that shall undergo tank testing for this ship.

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09 Identification of areas and sections for thickness measurements

Ingangsdatum: 01-03-2004

The CAS requirements
Paragraph 7.3.3 (and Table 7.3.3) of the CAS specify the minimum requirements for thickness measurements for CAS survey. These are as follows:

Thickness measurement requirements
1. Within the cargo area:
      .1 Each deck plate
      .2 Three transverse sections
      .3 Each bottom plate
2. Measurements of structural members subject to close-up survey according to the table above (for close up survey), for general assessment and recording of corrosion pattern
3. Suspect areas
4. Selected wind and water strakes outside the cargo area
5. All wind and water strakes within the cargo area
6. Internal structure in the fore and aft peak tanks
7. All exposed main deck plates outside the cargo area and all exposed first tier superstructure deck plates

Guidance Notes:
1 The attending surveyor(s) may increase the extent of thickness measurements as deemed necessary (see paragraph 7.3.5 of the CAS).
2 Transverse sections for thickness measurements shall be chosen where the largest material reductions are expected to ` occur or are revealed from deck plating measurements (see section 7.3.8 of the CAS).
3 Where substantial corrosion is found, the extent of thickness measurements shall be increased accordingly (see paragraph 7.3.4 of the CAS).

In addition paragraphs 7.3.4 to 7.3.8 of the CAS provide further guidance on the extent and increase of the thickness measurements to be taken.

The Plan
This section of the Plan shall identify and list, using paragraph 7.3.3 (and Table 7.3.3) of the CAS, the areas and sections where thickness measurements shall be taken.
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10 Hull Materials (to be specified by the Recognised Organisation)

Ingangsdatum: 01-03-2004

This section of the Plan shall identify, using a format similar to that of the table below, the materials used in the hull structures that fall within the scope of the CAS for the purpose of providing a concise reference.

LocationPlatingLongitudinals and StiffenersLongitudinal Girders/ StringersTransverse Girders/ Web Frames/ Stringers/ Floors
Deck    
Bottom    
Inner bottom    
Side shell    
Longitudinal bulkhead    
Transverse bulkheads    
Fore Peak    
Aft Peak    

Guidance Notes:
1 Material grade is Mild Steel (MS) where not shown otherwise.
2 Material grade HTS indicates High Tensile Steel; SS indicates Stainless Steel; and CS indicates Clad Steel.
3 In case of repairs material, grade, type and the extent shall be verified from drawings.
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11 Minimum thickness of hull structures (to be specified by the Recognised Organisation)

Ingangsdatum: 01-03-2004

This section of the Plan shall specify the minimum thickness* for hull structures of this ship that are subject to the CAS (indicate either (a) or preferably (b), if such information are available):

(a)     ٱ     Determined from the attached* wastage allowance table and the original thickness according to the hull structure plans of the ship;

(b)     ٱ     Given in the following table(s)

Area or LocationOriginal Thickness mmMinimum Thickness mmSubstantial Corrosion Thickness mm
Deck   
Plating   
Longitudinals   
Longitudinal girders   
Bottom   
Plating   
Longitudinals   
Longitudinal girders   
Ship side   
Plating   
Longitudinals   
Longitudinal girders   
Longitudinal bulkhead   
Plating   
Longitudinals   
Longitudinal girders   
Inner bottom   
Plating   
Longitudinals   
Longitudinal girders   
Transverse bulkheads   
Plating   
Stiffeners   
Transverse web frames, floors and stringers   
Plating   
Flanges   
Stiffeners   
Cross ties   
Flanges   
Webs   


* The wastage allowance tables shall be attached to the CAS Survey Plan.
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12 Thickness Measurement (TM) Firm

Ingangsdatum: 01-03-2004

This section of the Plan shall identify changes, if any, relating to the information on the Thickness Measurement (TM) Firm provided in the Survey Planning Questionnaire.
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13 Damage experience related to the ship

Ingangsdatum: 01-03-2004

This section of the Plan shall, using the tables provided below, provide details of the hull damages for at least the last three years in way of the cargo and ballast tanks areas and void spaces within the cargo area. These damages are subject to CAS survey.

Hull damages sorted by location for this ship (to be provided by the Company and supplemented by the Recognised Organisation, as necessary)Tank Number or AreaPossible cause, if knownDescription of the damagesLocationRepairDate of repair                                                            
Hull damages for sister or similar ships (if available) in the case of design related damage (to be provided by the Company and supplemented by the Recognised Organisation, as necessary) Tank Number or AreaPossible cause, if knownDescription of the damagesLocationRepairDate of repair                                                            
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14 Areas identified with substantial corrosion from previous surveys (to be provided by the Recognised Organisation)

Ingangsdatum: 01-03-2004

This section of the Plan shall identify and list the areas of substantial corrosion from previous surveys.
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15 Critical structural areas and suspect areas (to be provided by Company and supplemented by the Recognised Organisation, as necessary)

Ingangsdatum: 01-03-2004

This section of the Plan shall identify and list the critical structural areas and the suspect areas, when such information is available.
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16 Other relevant comments and information (to be provided by the Company and supplemented by the Recognised Organisation)

Ingangsdatum: 01-03-2004

This section of the Plan shall provide any other relevant, to the CAS survey, comments and information.
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Appendices

Ingangsdatum: 01-03-2004

Appendix 1 - List of Plans

Paragraph 6.2.2.2 of CAS requires that main structural plans of cargo and ballast tanks (scantling drawings), including information on regarding use of high tensile steel (HTS) to be provided.

This Appendix of the Plan shall identify and list the main structural plans which form part of the Plan and which are attached to the Plan.


Appendix 2 - Survey Planning Questionnaire

The Survey Planning Questionnaire, which has been submitted by the Company, shall be appended to the Plan.


Appendix 3 . Mandatory Requirements for the Safe Conduct of CAS Surveys

The Mandatory Requirement for the Safe Conduct of CAS Surveys, which is contained in Appendix 4 shall be appended to the Plan.


Appendix 4 - CAS Schedule

The CAS Schedule shall be attached to the Plan*.


Appendix 5 - Other documentation

This part of the Plan shall identify and list any other documentation that forms part of the Plan.











Prepared on behalf of the Company by .................................
Date: ........ .............................................................
(name and signature of authorised representative)





Reviewed by the Recognized Organization for compliance with paragraph 6.2.2 of the CAS.
Date: ........ .............................................................
(name and signature of authorised representative)



* The CAS Schedule is contained in annex 3 to MEPC/Circ.390. The sole purpose of the CAS Schedule is to aid Companies and Recognized Organizations in the preparation of CAS Survey and shall be read and used for this purpose only.
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Appendix 4 Mandatory Requirements for the Safe Conduct of CAS Surveys

Ingangsdatum: 01-03-2004
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1 General

Ingangsdatum: 01-03-2004

1.1 The present mandatory requirements have been developed for the safe conduct of CAS Surveys. Although the mandatory requirements make explicit reference to the CAS survey and to attending surveyor(s) it shall be used also in connection with any thickness measurement work required by the CAS.
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2 Conditions for survey

Ingangsdatum: 01-03-2004

2.1 The Company shall provide the necessary facilities for a safe conduct of the CAS survey.

2.2 In cases where the provisions of safety and required access are judged by the attending surveyors not to be adequate, the CAS survey of the spaces involved shall not proceed.

2.3 In order to enable the attending surveyors to carry out the CAS survey, provisions for proper and safe access, shall be agreed between Company and Recognised Organisation.

2.4 Details of the means of access are provided in the Survey Planning Questionnaire.

2.5 Tanks and spaces shall be safe for access*. Tanks and spaces shall be gas free and shall be ventilated. Prior to entering a tank, void or enclosed space, it shall be verified that the atmosphere in the tank is free from hazardous gas and contains sufficient oxygen.

2.6 Tanks and spaces shall be sufficiently clean and free from water, scale, dirt, oil residues, corrosion scale, sediments etc., to reveal significant corrosion, deformation, fractures, damages or other structural deterioration as well as the condition of the coating.

2.7 Sufficient illumination shall be provided to reveal significant corrosion, deformation, fractures, damages or other structural deterioration as well as the condition of the coating.

2.8 Where soft coatings have been applied, safe access shall be provided for the attending surveyor(s) to verify the effectiveness of the coating and to carry out an assessment of the conditions of internal structures, which may include spot removal of the coating. Where the presence of soft coating inhibits safe access, the soft coating shall be removed.

2.9 The attending surveyor(s) shall always be accompanied by at least one responsible person assigned by the Company experienced in tank and enclosed spaces inspection. In addition a backup team of at least two experienced persons shall be stationed at the hatch opening of the tank or space that is being surveyed. The back-up team shall continuously observe the work in the tank or space and shall keep lifesaving and evacuation equipment ready for use.

* Reference is made to chapter 10 of the International Safety Guide for Oil Tankers and Terminals (ISGOTT) - Entry into and working in enclosed spaces.
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3 Access to structures

Ingangsdatum: 01-03-2004

3.1 For overall survey, means shall be provided to enable the attending surveyors to examine the structure in a safe and practical way.

3.2 For close-up survey, one or more of the following means for access, acceptable to the attending surveyors, shall be provided:
- permanent staging and passages through structures
- temporary staging and passages through structures
- lifts and moveable platforms
- rafts or boats
- other equivalent means.

3.3 Surveys of tanks or spaces by means of rafts or boats may only be undertaken with the agreement of the attending surveyors, who shall take into account the safety arrangements provided, including weather forecasting and ship response in reasonable sea conditions.

3.4 When rafts or boats will be used for close up survey the following conditions shall be observed:
.1 only rough duty, inflatable rafts or boats, having satisfactory residual buoyancy and stability even if one chamber is ruptured, shall be used;
.2 the boat or raft shall be tethered to the access ladder and an additional person shall be stationed down the access ladder with a clear view of the boat or raft;
.3 appropriate lifejackets shall be available for all participants;
.4 the surface of water in the tank shall be calm (under all foreseeable conditions the expected rise of water within the tank shall not exceed 0.25 m) and the water level either stationary or falling. On no account shall the level of the water be rising while the boat or raft is in use;
.5 the tank or space must contain clean ballast water only. Even a thin sheen of oil on the water is not acceptable;
.6 at no time shall the water level be allowed to be within 1 m of the deepest under deck web face flat so that the survey team is not isolated from a direct escape route to the tank hatch. Filling to levels above the deck transverses shall only be contemplated if a deck access manhole is fitted and open in the bay being examined, so that an escape route for the survey party is available at all times;
.7 if the tanks (or spaces) are connected by a common venting system, or Inert Gas system, the tank in which the boat or raft is to be used shall be isolated to prevent a transfer of gas from other tanks (or spaces).

3.5 In addition to the above rafts or boats alone may be allowed for inspection of the under deck areas for tanks or spaces, if the depth of the webs are 1.5 m or less.

3.6 If the depth of the webs is more than 1.5 m, rafts or boats alone may be allowed only:
.1 when the coating of the under deck structure is in GOOD condition and there no evidence of wastage; or
.2 if a permanent means of access is provided in each bay to allow safe entry and exit. This means of access is to be direct from the deck via a vertical ladder and a small platform shall be fitted approximately 2 m below the deck.

If neither of the above conditions are met then staging shall be provided for the survey of the under deck area.
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4 Equipment for survey

Ingangsdatum: 01-03-2004

4.1 Thickness measurement shall normally be carried out by means of ultrasonic test equipment. The accuracy of the equipment shall be proven to the attending surveyor(s) as required.

4.2 One or more of the following fracture detection procedures may be required if deemed necessary by the attending surveyor(s):
- radiographic equipment
- ultrasonic equipment
- magnetic particle equipment
- dye penetrant
- other equivalent means.

4.3 Explosimeter, oxygen-meter, breathing apparatus, lifelines, riding belts with rope and hook and whistles together with instructions and guidance on their use shall be made available during the CAS survey. A safety check-list shall be provided.

4.4 Adequate and safe lighting shall be provided for the safe and efficient conduct of the CAS survey.

4.5 Adequate protective clothing shall be made available and used (e.g. safety helmet, gloves, safety shoes, etc) during the CAS survey.
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5 Meetings and Communication Arrangements

Ingangsdatum: 01-03-2004

5.1 The establishment of proper preparation and the close co-operation between the attending surveyors and the Company.s representatives onboard prior to and during the CAS survey are an essential part in the safe and efficient conduct of the CAS survey. During the CAS survey on board safety meetings shall be held regularly.

5.2 Prior to commencement of the CAS survey a survey meeting shall be held between the attending surveyors the Company.s representative(s) in attendance, the TM Firm Operator (as applicable) and the Master of the ship for the purpose to ascertain that all the arrangements envisaged in the Survey Plan are in place, so as to ensure the safe and efficient conduct of the survey work to be carried out.

5.3 The following is an indicative list of items that shall be addressed in the meeting:
.1 schedule of the vessel (i.e. the voyage, docking and undocking manoeuvres, periods alongside, cargo and ballast operations etc.);
.2 provisions and arrangements for thickness measurements (i.e. access, cleaning/de-scaling, illumination, ventilation, personal safety);
.3 extent of the thickness measurements;
.4 acceptance criteria (refer to the list of minimum thicknesses);
.5 extent of close up survey and thickness measurement considering the coating condition and suspect areas/areas of substantial corrosion;
.6 execution of thickness measurements;
.7 taking representative readings in general and where uneven corrosion/pitting is found;
.8 mapping of areas of substantial corrosion;
.9 communication between attending surveyor(s) the TM operator(s) and Company representative(s) concerning findings.

5.4 A communication system shall be arranged between the survey party in the tank or space being examined, the responsible officer on deck and, as the case may be, the navigation bridge. This system shall also include the personnel in charge of handling the ballast pump(s) if rafts or boats are used. The communication arrangements shall be maintained throughout the CAS survey
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