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IMO Resolution A.1049(27) 2011 ESP Code.pdf

MSC 97/22/Add1 Annex 4, page 1 ANNEX 4 RESOLUTION MSC

Nov 30, 2011 RECALLING ALSO resolution A 744(18) by which the Assembly adopted the the present resolution and the 2011 ESP Code, contained in the  Nov 21, 2014 NOTING resolution A 1049(27), by which the Assembly adopted the the 2011 ESP

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Description

E ASSEMBLY 27th session Agenda item 9

A 27/Res

INTERNATIONAL CODE ON THE ENHANCED PROGRAMME OF INSPECTIONS DURING SURVEYS OF BULK CARRIERS AND OIL TANKERS,

RECALLING Article 15(j) of the Convention on the International Maritime Organization regarding the functions of the Assembly in relation to regulations and guidelines concerning maritime safety and the prevention and control of marine pollution from ships,

RECALLING ALSO resolution A

NOTING that the 1994 Conference of Contracting Governments to the International Convention for the Safety of Life at Sea (SOLAS),

NOTING ALSO resolutions MSC

49(66),

105(73),

125(75),

144(77),

197(80),

by which amendments to the Guidelines were adopted by the Maritime Safety Committee and the Conference of Contracting Governments to the Convention,

in accordance with article VIII(b) and regulation XI-1/2 of the Convention,

RECOGNIZING that the numerous amendments made to the Guidelines necessitated a comprehensive revision in order to ensure the effective implementation of their provisions and to maintain the highest practical level of safety,

HAVING CONSIDERED the recommendation made by the Maritime Safety Committee at its eighty-ninth session,

ADOPTS the International Code on the Enhanced Programme of Inspections during Surveys of Bulk Carriers and Oil Tankers,

as set out in the annex to the present resolution

I:\ASSEMBLY\27\RES\1049

A 27/Res

INVITES Contracting Governments to the Convention to note that the 2011 ESP Code will become effective upon entry into force of the associated amendments to chapter XI-1 of the Convention

REQUESTS the Secretary-General of the Organization to transmit certified copies of the present resolution and the 2011 ESP Code,

to all Contracting Governments to the Convention after the aforementioned amendments to chapter XI-1 of the Convention have been adopted

ALSO REQUESTS the Secretary-General of the Organization to transmit copies of the present resolution and the 2011 ESP Code contained in the annex to all Members of the Organization which are not Contracting Governments to the SOLAS Convention after the aforementioned amendments to chapter XI-1 of the Convention have been adopted

FURTHER REQUESTS the Maritime Safety Committee to keep the Code under review and update it as necessary,

in the light of experience gained in its application

I:\ASSEMBLY\27\RES\1049

A 27/Res

General Application Definitions Repairs Surveyors Thickness measurements and close-up surveys

Renewal survey General Dry-dock survey Space protection Hatch covers and coamings Extent of overall and close-up surveys Extent of thickness measurements Extent of tank pressure testing Additional renewal survey requirements after determining compliance with regulations XII/12 and XII/13 of the Convention

Annual survey General Examination of the hull Examination of weather decks,

hatch covers and coamings Examination of cargo holds Examination of ballast tanks Additional annual survey requirements for the foremost cargo hold of ships subject to regulation XII/9

Intermediate survey General Bulk carriers 5 to 10 years of age Bulk carriers 10 to 15 years of age Bulk carriers exceeding 15 years of age

I:\ASSEMBLY\27\RES\1049

A 27/Res

Preparations for survey Survey programme Conditions for survey Access to structures Equipment for survey Surveys at sea or at anchorage Survey planning meeting

Documentation on board General Survey report file Supporting documents Review of documentation on board

Procedures for thickness measurements General Certification of thickness measurement company Reporting

Reporting and evaluation of survey Evaluation of survey report Reporting

Annexes Annex 1 Annex 2 Annex 3 Annex 4A Annex 4B Annex 5 Annex 6 Annex 7 Annex 8 Annex 9 Annex 10 Annex 11 Annex 12 Annex 13 Annex 14 Annex 15

Requirements for close-up survey at renewal surveys Requirements for thickness measurements at renewal surveys Owner's inspection report Survey programme Survey planning questionnaire Procedures for certification of a company engaged in thickness measurement of hull structures Survey reporting principles Condition Evaluation Report Recommended procedures for thickness measurements Guidelines for technical assessment in conjunction with the planning of enhanced surveys for bulk carriers – Renewal survey hull Requirements for extent of thickness measurement at areas of substantial corrosion Guidelines for the gauging of the vertically corrugated transverse watertight bulkhead between holds Nos

168(79)

I:\ASSEMBLY\27\RES\1049

A 27/Res

General Application Definitions Repairs Surveyors Thickness measurements and close-up surveys

Renewal survey General Dry-dock survey Space protection Hatch covers and coamings Extent of overall and close-up surveys Extent of thickness measurements Extent of tank pressure testing Additional renewal survey requirements after determining compliance with regulations XII/12 and XII/13 of the Convention

Annual survey General Examination of the hull Examination of weather decks,

hatch covers and coamings Examination of cargo holds Examination of ballast tanks Additional annual survey requirements after determining regulations XII/12 and XII/13 of the Convention

Intermediate survey General Double-side skin bulk carriers 5 to 10 years of age Double-side skin bulk carriers 10 to 15 years of age Double-side skin bulk carriers exceeding 15 years of age

Preparations for survey Survey programme Conditions for survey Access to structures Equipment for survey Surveys at sea or at anchorage Survey planning meeting

Documentation on board General Survey report file Supporting documents Review of documentation on board

I:\ASSEMBLY\27\RES\1049

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Procedures for thickness measurements General Certification of thickness measurement company Reporting

Reporting and evaluation of survey Evaluation of survey report Reporting

Annexes Annex 1 Annex 2 Annex 3 Annex 4A Annex 4B Annex 5 Annex 6 Annex 7 Annex 8 Annex 9 Annex 10 Annex 11 Annex 12

Requirements for close-up survey at renewal surveys Requirements for thickness measurements at renewal surveys Owner's inspection report Survey programme Survey planning questionnaire Procedures for certification of a company engaged in thickness measurement of hull structures Survey reporting principles Condition Evaluation Report Recommended procedures for thickness measurements Guidelines for technical assessment in conjunction with planning for enhanced surveys of double-side skin bulk carriers – Renewal survey hull Requirements for extent of thickness measurements at those areas of substantial corrosion of bulk carriers with double-side skin construction within the cargo length area Strength of cargo hatch cover securing arrangements for bulk carriers Procedural requirements for thickness measurements ANNEX B CODE ON THE ENHANCED PROGRAMME OF INSPECTIONS DURING SURVEYS OF OIL TANKERS Part A CODE ON THE ENHANCED PROGRAMME OF INSPECTIONS DURING SURVEYS OF DOUBLE-HULL OIL TANKERS

General Application Definitions Repairs Surveyors Thickness measurements and close-up surveys

I:\ASSEMBLY\27\RES\1049

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Renewal survey General Dry-dock survey Tank corrosion prevention system Extent of overall and close-up surveys Extent of thickness measurements Extent of tank pressure testing

Annual survey General Examination of the hull Examination of weather decks Examination of cargo pump-rooms and pipe tunnels if fitted Examination of ballast tanks

Intermediate survey General Oil tankers 5 to 10 years of age Oil tankers 10 to 15 years of age Oil tankers exceeding 15 years of age

Preparations for survey Survey programme Conditions for survey Access to structures Equipment for survey Surveys at sea or at anchorage Survey planning meeting

Documentation on board General Survey report file Supporting documents Review of documentation on board

Procedures for thickness measurements General Certification of thickness measurement company Reporting

Reporting and evaluation of survey Evaluation of survey report Reporting

Annexes Annex 1 Annex 2 Annex 3 Annex 4

Minimum requirements for close-up survey at renewal survey of double-hull oil tankers Minimum requirements for thickness measurements at renewal survey of double-hull oil tankers Minimum requirements for tank testing at renewal survey of double-hull oil tankers Requirements for extent of thickness measurements at areas of substantial corrosion of double-hull oil tankers

I:\ASSEMBLY\27\RES\1049

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Owner's inspection report Survey programme Survey planning questionnaire Procedures for certification of a company engaged in thickness measurement of hull structures Survey reporting principles Condition Evaluation Report Recommended procedures for thickness measurements of double-hull oil tankers Guidelines for technical assessment in conjunction with the planning of enhanced surveys for oil tankers Criteria for longitudinal strength of hull girder for oil tankers Part B

CODE ON THE ENHANCED PROGRAMME OF INSPECTIONS DURING SURVEYS OF OIL TANKERS OTHER THAN DOUBLE-HULL OIL TANKERS 1 1

General Application Definitions Repairs Surveyors Thickness measurements and close-up surveys

Renewal survey General Dry-dock survey Tank corrosion prevention system Extent of overall and close-up surveys Extent of thickness measurements Extent of tank pressure testing

Annual survey General Examination of the hull Examination of weather decks Examination of cargo pump-rooms and pipe tunnels if fitted Examination of ballast tanks

Intermediate survey General Oil tankers 5 to 10 years of age Oil tankers 10 to 15 years of age Oil tankers exceeding 15 years of age

I:\ASSEMBLY\27\RES\1049

A 27/Res

Preparations for survey Survey programme Conditions for survey Access to structures Equipment for survey Surveys at sea or at anchorage Survey planning meeting

Documentation on board General Survey report file Supporting documents Review of documentation on board

Procedures for thickness measurements General Certification of thickness measurement company Reporting

Reporting and evaluation of survey Evaluation of survey report Reporting

Annexes Annex 1 Annex 2 Annex 3 Annex 4 Annex 5 Annex 6A Annex 6B Annex 7 Annex 8 Annex 9 Annex 10 Annex 11 Annex 12

Requirements for close-up survey at renewal surveys Requirements for thickness measurements at renewal surveys Requirements for tank pressure testing at renewal surveys Requirements for extent of thickness measurements at areas of substantial corrosion Owner's inspection report Survey programme Survey planning questionnaire Procedures for certification of a company engaged in thickness measurement of hull structures Survey reporting principles Condition Evaluation Report Recommended procedures for thickness measurements Guidelines for technical assessment in conjunction with the planning of enhanced surveys for oil tankers Criteria for longitudinal strength of hull girder for oil tankers

I:\ASSEMBLY\27\RES\1049

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CODE ON THE ENHANCED PROGRAMME OF INSPECTIONS DURING SURVEYS OF BULK CARRIERS HAVING SINGLE-SIDE SKIN CONSTRUCTION 1

General

Application1

within the cargo length area and all ballast tanks

thickness measurements and tank testing

The survey should be extended when substantial corrosion and/or structural defects are found and include additional close-up survey when necessary

with some cargo holds of single-side skin and others of double-side skin,

the requirements of part B of annex A apply to cargo holds of double-side skin and associated wing spaces

Definitions

topside tanks and hopper side tanks in cargo spaces,

and is intended primarily to carry dry cargo in bulk and includes combination carriers

The intention of the Code is to ensure that an appropriate level of review of plans and documents is conducted and consistency in application is attained

Such evaluation of survey reports,

should be carried out at the managerial level of the Administration or organization recognized by the Administration

For single-side skin combination carriers additional requirements are specified in the Guidelines on the enhanced programme of inspections during surveys for oil tankers set out in part B of annex B

I:\ASSEMBLY\27\RES\1049

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a space which is used for both cargo and salt water ballast will be treated as a ballast tank when substantial corrosion has been found in that space

cofferdams and void spaces bounding cargo holds,

longitudinals and girders at the deck,

inner bottom and hopper side plating,

and bottom plating in top wing tanks

When selecting representative spaces account should be taken of the service and repair history on board and identifiable critical and/or suspect areas

For ships built under the IACS Common Structural Rules,

substantial corrosion is an extent of corrosion such that the assessment of the corrosion pattern indicates a gauged (or measured) thickness between tnet + 0

Hard protective coating should usually be epoxy coating or equivalent

Other coating systems,

which are neither soft nor semi-hard coatings,

may be considered acceptable as alternatives provided that they are applied and maintained in compliance with the manufacturer's specifications

Coating condition is defined as follows: GOOD condition with only minor spot rusting

condition with local breakdown of coating at edges of stiffeners and weld connections and/or light rusting over 20 per cent or more of areas under consideration,

but less than as defined for POOR condition

POOR condition with general breakdown of coating over 20 per cent or more of areas or hard scale at per cent or more of areas under consideration

buckling or corrosion which would impair the structural integrity of the ship

I:\ASSEMBLY\27\RES\1049

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therein removing the need for the imposition of any associated condition of classification or recommendation

Repairs

or extensive areas of wastage over the allowable limits,

in the opinion of the Administration,

will affect the ship's structural,

watertight or weathertight integrity,

should be promptly and thoroughly (see 1

Areas to be considered include:

side structure and side plating

deck structure and deck plating

bottom structure and bottom plating

inner bottom structure and inner bottom plating

inner side structure and inner side plating

watertight or oiltight bulkheads

hatch covers or hatch coamings

For locations where adequate repair facilities are not available,

the Administration may allow the ship to proceed directly to a repair facility

This may require discharging the cargo and/or temporary repairs for the intended voyage

when a survey results in the identification of corrosion or structural defects,

in the opinion of the Administration,

will impair the ship's fitness for continued service,

remedial measures should be implemented before the ship continues in service

Surveyors

For bulk carriers of 20,000 tons deadweight and above,

two surveyors should jointly carry out the first scheduled renewal survey after the bulk carrier passes 10 years of age (i

and all subsequent renewal surveys and intermediate surveys

I:\ASSEMBLY\27\RES\1049

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the intermediate survey between 10 and 15 years of age should be performed by two surveyors

If the surveys are carried out by a recognized organization,

the surveyors should be exclusively employed by such recognized organizations

Thickness measurements and close-up surveys

In any kind of survey,

annual or other surveys having the scope of the foregoing ones,

thickness measurements of structures in areas where close-up surveys are required should be carried out simultaneously with close-up surveys

Renewal survey

General

the survey programme should be dealt with in advance of the survey

The thickness measurement should not be held before the fourth annual survey

in addition to the requirements of the annual survey,

tests and checks of sufficient extent to ensure that the hull and related piping,

is in a satisfactory condition and is fit for its intended purpose for the new period of validity of the Cargo Ship Safety Construction Certificate,

subject to proper maintenance and operation and to periodical surveys being carried out at the due dates

cofferdams and void spaces bounding cargo holds,

decks and outer hull should be examined,

and this examination should be supplemented by thickness measurement and testing as required by 2

6 and 2

to ensure that the structural integrity remains effective

The examination should be sufficient to discover substantial corrosion,

damages or other structural deterioration,

Dry-dock survey

There should be a minimum of two inspections of the outside of the ship's bottom during the five-year period of the certificate

In all cases,

the maximum interval between bottom inspections should not exceed 36 months

I:\ASSEMBLY\27\RES\1049

A 27/Res

inspection of the outside of the ship's bottom should be carried out with the ship in dry-dock

For ships of less than 15 years of age,

alternate inspections of the ship's bottom not conducted in conjunction with the renewal survey may be carried out with the ship afloat

Inspection of the ship afloat should only be carried out when the conditions are satisfactory and the proper equipment and suitably qualified staff is available

the Cargo Ship Safety Construction Certificate should cease to be valid until a survey in dry-dock is completed

of the lower portions of the cargo holds and ballast tanks should be carried out in accordance with the applicable requirements for renewal surveys,

Note: 2

Lower portions of the cargo holds and ballast tanks are considered to be the parts below light ballast water line

Space protection

the condition of the corrosion prevention system of ballast tanks should be examined

For ballast tanks,

excluding double-bottom tanks,

where a hard protective coating is found in POOR condition as defined in 1

or where a soft or semi-hard coating has been applied,

or where a hard protective coating has not been applied from the time of construction,

the tanks in question should be examined at annual intervals

Thickness measurements should be carried out as deemed necessary by the surveyor

When such breakdown of hard protective coating is found in water ballast double-bottom tanks and it is not renewed,

where a soft or semi-hard coating has been applied or where a hard protective coating has not been applied from the time of construction,

the tanks in question may be examined at annual intervals

When considered necessary by the surveyor,

or where extensive corrosion exists,

thickness measurement should be carried out

the extent of close-up surveys and thickness measurements may be specially considered

Hatch covers and coamings

The hatch covers and coamings should be surveyed as follows: 2

stowage and securing in open condition

proper fit and efficiency of sealing in closed condition

operational testing of hydraulic and power components,

I:\ASSEMBLY\27\RES\1049

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Extent of overall and close-up surveys

Fuel oil tanks in the cargo length area should be surveyed as follows: Renewal survey No

Renewal survey No

Renewal survey No

Renewal survey No

Age ≤ 5

15 < Age

Notes: 1

These requirements apply to tanks of integral (structural) type

If a selection of tanks is accepted to be examined,

then different tanks should be examined at each renewal survey,

Peak tanks (all uses) should be examined internally at each renewal survey

At renewal survey No

one deep tank for fuel oil in the cargo area should be included,

the condition of the corrosion prevention system and where spaces have structural arrangements or details which have suffered defects in similar spaces or on similar ships according to the available information

the extent of close-up surveys according to annex 1 may be specially considered

Refer also to 2

Extent of thickness measurements

Annex 11 provides additional thickness measurement guidelines applicable to the vertically corrugated transverse watertight bulkhead between cargo holds No

1 and No

For additional thickness measurement guidelines applicable to the side shell frames and brackets on ships subject to compliance with resolution MSC

168(79),

Thickness measurement should also be carried out to determine the corrosion levels on the transverse bulkhead plating

The extent of thickness measurements I:\ASSEMBLY\27\RES\1049

A 27/Res

that there is no structural diminution,

and the hard protective coating where applied remains efficient

These extended thickness measurements should be carried out before the survey is credited as completed

Suspect areas identified at previous surveys should be examined

Areas of substantial corrosion identified at previous surveys should have thickness measurements taken

the extent of thickness measurements according to annex 2 may be specially considered by the Administration

Extent of tank pressure testing

deep tanks and cargo holds used for water ballast within the cargo length area should be pressure tested

For fuel oil tanks,

only representative tanks should be pressure tested

The surveyor may extend the tank testing as deemed necessary

3 pipes

Boundaries of ballast tanks should be tested with a head of liquid to the top of air

Tank testing of fuel oil tanks may be specially considered based on a satisfactory external examination of the tank boundaries and a confirmation from the master stating that the pressure testing has been carried out according to the requirements with satisfactory results

provided a satisfactory internal examination together with an examination of the tanktop is carried out

Additional renewal survey requirements after determining compliance with regulations XII/12 and XII/13 of the Convention

ballast and dry space water level detectors,

the renewal survey should include an examination and a test of the water ingress detection system and of their alarms

I:\ASSEMBLY\27\RES\1049

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the renewal survey should include an examination and a test of the means for draining and pumping ballast tanks forward of the collision bulkhead and bilges of dry spaces any part of which extends forward of the foremost cargo hold,

Annual survey

General

The annual survey should consist of an examination for the purpose of ensuring,

coamings and piping are maintained in a satisfactory condition and should take into account the service history,

condition and extent of the corrosion prevention system of ballast tanks and areas identified in the survey report file

Examination of the hull

Examination of watertight penetrations should be carried out as far as practicable

Examination of weather decks,

hatch coamings and their securing and sealing devices since the last survey

As a result,

at least the hatch covers sets within the forward 25 per cent of the ship's length and at least one additional set,

such that all the sets on the ship are assessed at least once in every five-year period,

closed and in operation to the full extent in each direction at each annual survey,

stowage and securing in open condition

proper fit and efficiency of sealing in closed condition

operational testing of hydraulic and power components,

The closing of the covers should include the fastening of all peripheral,

and cross joint cleats or other securing devices

Particular attention should be paid to the condition of hatch covers in the forward 25 per cent of the ship's length,

where sea loads are normally greatest

additional sets above those required by 3

at the discretion of the surveyor,

repairs should be carried out under the supervision of the Administration

Where hatch covers or coamings undergo substantial repairs,

the strength of securing devices should be upgraded to comply with annex 13

I:\ASSEMBLY\27\RES\1049

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the following items should be surveyed:

and stiffener attachments that may be accessible in the open position by close-up survey (for corrosion,

sealing arrangements of perimeter and cross joints (gaskets for condition and permanent deformation,

flexible seals on combination carriers,

drainage channels and non return valves)

and condition of rubber components)

closed cover locating devices (for distortion and attachment)

electrical safety devices and interlocks

stiffeners and brackets should be checked for corrosion,

especially of the coaming tops including close-up survey

the effectiveness of sealing arrangements may be proved by hose or chalk testing supplemented by dimensional measurements of seal compressing components

wooden or steel pontoons are fitted,

the satisfactory condition of the following should be confirmed,

wooden covers and portable beams,

carriers or sockets for the portable beam,

including close-up survey of hatch cover plating

hatch securing bars and their securing devices

loading pads/bars and the side plate edge

I:\ASSEMBLY\27\RES\1049

A 27/Res

drainage channels and drain pipes (if any)

The flame screens on vents to all bunker tanks should be examined

Bunker and vent piping systems,

including ventilators should be examined

Examination of cargo holds

For bulk carriers of 10 to 15 years of age,

the following should be carried out:

overall survey of all cargo holds

close-up examination of sufficient extent,

minimum 25 per cent of frames,

to establish the condition of the lower region of the shell frames including approximately lower one-third length of the side frame at the side shell and side frame end attachment and the adjacent shell plating in the forward cargo hold

Where this level of survey reveals the need for remedial measures,

the survey should be extended to include a close-up survey of all of the shell frames and adjacent shell plating of that cargo hold as well as a close-up survey of sufficient extent of all remaining cargo holds

when considered necessary by the surveyor,

or where extensive corrosion exists,

thickness measurement should be carried out

If the results of these thickness measurements indicate that substantial corrosion is found,

the extent of thickness measurements should be increased in accordance with annex 10

These extended thickness measurements should be carried out before the annual survey is credited as completed

Suspect areas identified at previous surveys should be examined

Areas of substantial corrosion identified at previous surveys should have thickness measurements taken

where the hard protective coating in cargo holds is found to be in GOOD condition,

the extent of close-up surveys and thickness measurements may be specially considered

all piping and penetrations in cargo holds,

For bulk carriers over 15 years of age,

the following should be carried out:

overall survey of all cargo holds

close-up examination of sufficient extent,

minimum 25 per cent of frames,

to establish the condition of the lower region of the shell frames including approximately lower one-third length of the side frame at the side shell and side frame end attachment and the adjacent shell plating in the forward cargo hold and one other selected cargo hold

Where this level of survey reveals the need for remedial measures,

the survey should be extended to include a close-up survey of all of the shell frames and adjacent shell plating of the cargo hold as well as a close-up survey of sufficient extent of all remaining cargo holds

I:\ASSEMBLY\27\RES\1049

A 27/Res

when considered necessary by the surveyor,

or when extensive corrosion exists,

thickness measurement should be carried out

If the results of these thickness measurements indicate that substantial corrosion is found,

the extent of thickness measurements should be increased in accordance with annex 10

These extended thickness measurements should be carried out before the annual survey is credited as completed

Suspect areas identified at previous surveys should be examined

Areas of substantial corrosion identified at previous surveys should have thickness measurements taken

where hard protective coating is fitted in cargo holds and is found in GOOD condition,

the extent of the close-up surveys and thickness measurements may be specially considered

all piping and penetrations in cargo holds,

Examination of ballast tanks

Examination of ballast tanks should be carried out when required as a consequence of the results of the renewal survey and intermediate survey

When considered necessary by the Administration,

or when extensive corrosion exists,

thickness measurement should be carried out

If the results of these thickness measurements indicate that substantial corrosion is found,

the extent of thickness measurements should be increased in accordance with annex 10

These extended thickness measurements should be carried out before the survey is credited as completed

Suspect areas identified at previous surveys should be examined

Areas of substantial corrosion identified at previous surveys should have thickness measurements taken

Additional annual survey requirements for the foremost cargo hold of ships subject to regulation XII/9 of the Convention in accordance with the requirements of annex 12

bulk carriers of 150 m in length and upwards of single-side skin construction

carrying solid bulk cargoes having a density of 1,780 kg/m3 and above

constructed before 1 July 1999

constructed with an insufficient number of transverse watertight bulkheads to enable them to withstand flooding of the foremost cargo hold in all loading conditions and remain afloat in a satisfactory condition of equilibrium as specified in regulation XII/4

for the foremost cargo hold of such ship the additional survey requirements listed in annex 12 should be applied

I:\ASSEMBLY\27\RES\1049

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Additional annual survey requirements after regulations XII/12 and XII/13 of the Convention

ballast and dry cargo space water level detectors,

the annual survey should include an examination and a test,

of the water ingress detection systems and of their alarms

the annual survey should include an examination and a test,

of the means for draining and pumping ballast tanks forward of the collision bulkhead and bilges of dry spaces any part of which extends forward of the foremost cargo hold,

Intermediate survey

General

3 and 4

Bulk carriers 5 to 10 years of age

Ballast tanks

an overall survey of representative tanks selected by the surveyor should be carried out

The selection should include fore and aft peak tanks and a number of other tanks,

taking into account the total number and type of ballast tanks

If such overall survey reveals no visible structural defects,

the examination may be limited to verification that the corrosion prevention system remains efficient

corrosion or other defects are found in water ballast tanks or where hard protective coating was not applied from the time of construction,

the examination should be extended to other ballast tanks of the same type

where a hard protective coating is found in POOR condition and it is not renewed,

or where soft or semi-hard coating has been applied,

or where a hard protective coating was not applied from the time of construction,

the tanks in question should be examined and thickness measurements carried out as considered necessary at annual intervals

When such breakdown of coating is found in ballast double-bottom tanks,

where a soft or semi-hard coating has been applied,

or where a hard protective coating has not been applied,

the tanks in question may be examined at annual intervals

When considered necessary by the surveyor,

or where extensive corrosion exists,

thickness measurements should be carried out

suspect areas identified at previous renewal surveys should be overall and close-up surveyed

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Cargo holds

including close-up survey of sufficient extent,

minimum 25 per cent of frames,

should be carried out to establish the condition of:

shell frames including their upper and lower end attachments,

and transverse bulkheads in the forward cargo hold and one other selected cargo hold

areas found to be suspect areas at previous surveys

the survey should be extended to include a close-up survey of all of the shell frames and adjacent shell plating of that cargo hold as well as a close-up survey of sufficient extent of all remaining cargo holds

Extent of thickness measurement

The minimum requirement for thickness measurements at the intermediate survey are areas found to be suspect areas at previous surveys

that there is no structural diminution and the hard protective coatings are found to be in a GOOD condition

the extent of thickness measurements should be increased in accordance with the requirements of annex 10

These extended thickness measurements should be carried out before the survey is credited as completed

Suspect areas identified at previous surveys should be examined

Areas of substantial corrosion identified at previous surveys should have thickness measurements taken

Bulk carriers 10 to 15 years of age

However,

internal examination of fuel tanks and pressure testing of all tanks are not required unless deemed necessary by the attending surveyor

the intermediate survey may be commenced at the second annual survey and be progressed during the succeeding year with a view to completion at the third annual survey in lieu of the application of 2

an underwater survey may be considered in lieu of the requirements of 2

Bulk carriers exceeding 15 years of age

However,

internal examination of fuel tanks and pressure testing of all tanks are not required unless deemed necessary by the attending surveyor

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the intermediate survey may be commenced at the second annual survey and be progressed during the succeeding year with a view to completion at the third annual survey in lieu of the application of 2

a survey in dry-dock should be part of the intermediate survey

The overall and close-up surveys and thickness measurements,

of the lower portions of the cargo holds and water ballast tanks should be carried out in accordance with the applicable requirements for intermediate surveys,

Lower portions of the cargo holds and ballast tanks are considered to be the parts below light ballast water line

Preparations for survey

Survey programme

the intermediate survey for bulk carriers over 10 years of age

The survey programme should be in a written format based on the information in annex 4A

The survey should not commence until the survey programme has been agreed

the survey planning questionnaire should be completed by the owner based on the information set out in annex 4B,

and forwarded to the Administration

The survey programme should be worked out taking into account any amendments to the survey requirements after the last renewal survey carried out

the following documentation should be collected and consulted with a view to selecting tanks,

areas and structural elements to be examined:

survey status and basic ship information

2 and 6

main structural plans (scantlings drawings),

including information regarding use of high-tensile steels (HTS)

relevant previous survey and inspection reports from both the classification society and the owner

information regarding the use of ship's holds and tanks,

typical cargoes and other relevant data

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information regarding corrosion prevention level on the new building

information regarding the relevant maintenance level during operation

thickness measurement and tank testing,

and is to include relevant information including at least:

basic ship information and particulars

main structural plans (scantling drawings),

including information regarding use of high-tensile steels (HTS)

list of holds and tanks with information on use,

protection and condition of coating

information regarding hold and tank cleaning,

provisions and methods for access to structures

nomination of holds and tanks and areas for close-up survey (see 2

nomination of sections for thickness measurement (see 2

nomination of tanks for testing (see 2

damage experience related to ship in question

These Guidelines are a recommended tool which may be invoked at the discretion of the Administration,

when considered necessary and appropriate,

in conjunction with the preparation of the required survey programme

Conditions for survey

The owner should provide the necessary facilities for a safe execution of the survey

provisions for proper and safe access should be agreed between the owner and the Administration

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the survey of the spaces involved should not proceed

tanks and spaces should be safe for access

Cargo holds,

tanks and spaces should be gas free and properly ventilated

Prior to entering a tank,

it should be verified that the atmosphere in the tank is free from hazardous gas and contains sufficient oxygen

all spaces should be cleaned including removal from surfaces of all loose accumulated corrosion scale

Spaces should be sufficiently clean and free from water,

damages or other structural deterioration as well as the condition of the coating

However,

those areas of structure whose renewal has already been decided by the owner need only be cleaned and descaled to the extent necessary to determine the limits of the areas to be renewed

damages or other structural deterioration as well as the condition of the coating

safe access should be provided for the surveyor 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

When safe access cannot be provided,

the soft or semi-hard coating should be removed

experienced in tank and enclosed spaces inspection

In addition a backup team of at least two experienced persons should be stationed at the hatch opening of the tank or space that is being surveyed

The back-up team should continuously observe the work in the tank or space and should keep lifesaving and evacuation equipment ready for use

the responsible officer on deck and,

The communication arrangements should be maintained throughout the survey

Access to structures3

means should be provided to enable the surveyor to examine the structure in a safe and practical way

other than cargo hold shell frames,

one or more of the following means for access,

permanent staging and passages through structures

temporary staging and passages through structures

Refer to Guidelines on the means of access to structures for inspection and maintenance of oil tankers and bulk carriers (MSC/Circ

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one or more of the following means for access,

permanent staging and passages through structures

temporary staging and passages through structures

portable ladder restricted to not more than 5 m in length may be accepted for surveys of lower section of a shell frame including bracket

hydraulic arm vehicles such as conventional cherry pickers,

boats or rafts provided the structural capacity of the hold is sufficient to withstand static loads at all levels of water

the use of portable ladders should not be accepted and one or more of the following means for access,

should be provided: Annual surveys,

intermediate survey under 10 years of age and first renewal survey:

permanent staging and passages through structures

temporary staging and passages through structures

hydraulic arm vehicles such as conventional cherry pickers,

boats or rafts provided the structural capacity of the hold is sufficient to withstand static loads at all levels of water

Subsequent intermediate surveys and renewal surveys:

either permanent or temporary staging and passages through structures for close-up survey of at least the upper part of hold frames

hydraulic arm vehicles such as conventional cherry pickers for surveys of lower and middle part of shell frames as alternative to staging

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boats or rafts provided the structural capacity of the hold is sufficient to withstand static loads at all levels of water

the use of a portable ladder fitted with a mechanical device to secure the upper end of the ladder is acceptable for the "close-up examination of sufficient extent,

minimum 25 per cent of frames,

to establish the condition of the lower region of the shell frames,

including approximately lower one third length of side frame at side shell and side frame and attachment and the adjacent shell plating of the forward cargo hold" at annual survey,

Equipment for survey

The accuracy of the equipment should be proven to the surveyor as required

riding belts with rope and hook and whistles together with instructions and guidance on their use should be made available during the survey

A safety checklist should be provided

Surveys at sea or at anchorage

Necessary precautions and procedures for carrying out the survey should be in accordance with 5

3 and 5

This system should also include the personnel in charge of ballast pump handling if boats or rafts are used