survey checklist for ships carrying liquefied gases in bulk

Report no:

Survey Checklist for Ships Carrying Liquefied Gases in Bulk

(LNG and LPG) of 13

Name of ship LR number

NoteFor Annual, Intermediate and Renewal (Periodical) surveys for ships carrying liquefied gases in bulk in accordance with the following Rules and Regulations and in addition to those items shown in the Classification Check-List (Form 2100);(a) The Rules and Regulations for Classification of Ships Part 1, Chapter 3, Section 9.(b) The Rules for Carriage of Liquefied Gases in Bulk.(c) The Gas Carrier Codes.(d) The 1978 SOLAS Protocol and the Annexes to Resolutions A.560 (14) and A.746 (18), Guidelines on surveys required by

the 1978 SOLAS Protocol, the Bulk Chemical Codes and the Gas Carrier Codes.

Surveys: (also refer to notes on Page 11)For Annual Surveys Complete Sections: A, B &C.For Intermediate Surveys Complete Section: A, B, C & DFor Annual Surveys held at Special Survey (SS & CSH) Complete Sections: A, B, C, D, E, F & G as applicable to the age of the ship.Mark ‘Yes’ for complete, ‘No’ for not complete/outstanding or ‘NA’ for not applicable

A. General (Annual and Intermediate Surveys)

A1 Confirm no modifications have been made to the ship or its equipment which would affect the validity of the certificate of fitness. Any modifications are to be reported. Yes/No/NA*

A2 Confirm that the annual classification/SOLAS annual survey has been held concurrently with this survey and the associated checklist completed as applicable. Yes/No/NA*

B. Documentation (Annual and Intermediate Surveys)B1 List the following Expiry

DateA.S. or I.S. Endorsement

DateCertificate Issued By

(a)

Cargo Ship Safety Construction Certificate (b)

Cargo Ship Safety Equipment Certificate (c)

Cargo Ship Safety Radio Certificate (d)

International Loadline Certificate (e)

International Oil Pollution Prevention Certificate

(f) Certificate of Fitness for Carriage of Liquefied

Gases

(g)

Minimum Safe Manning Document (h)

Safety Management Certificate (i) STWC Convention (j) Certificates of Class If the survey is held concurrently with an Annual Classification survey refer to Annual/Intermediate survey checklist for above information.

B2 Confirm that the vessel’s survey book has been sighted and updates. (Refer to Notes on Page 11.) Yes/No/NA*B3 Confirm that a copy of the applicable Gas Code or National Regulations incorporating the provisions of

this code together with the required data for safe carriage of cargoes on board.Yes/No/NA*

B4 Confirm that the Cargo Log Book and Operational Records have been sighted. Yes/No/NA*B5 If applicable, confirm that provision have been made for products in accordance with the special

requirements for certain cargoes listed in the applicable Gas Carrier Code.Yes/No/NA*

B6 Confirm that the damage survival capability information ahs been supplied on the basis of loading information for all anticipated conditions of loading and variations in draught and trim.

Yes/No/NA*

B7 Confirm that the loading and stability information booklet, containing details of typical service and ballast conditions, provisions for evaluating other conditions of loading, a summary of the ship’s survival capabilities and sufficient information to ensure that the ship is loaded and operated in a safe and seaworthy manner, is available on board.

Yes/No/NA*

The following survey has been carried out Initial/Annual/Intermediate/Renewal/GE*

Place of Survey

Date of Survey

Remarks:

Kaswadi YusufSurveyor to Lloyd's Register Asia

A member of the Lloyd’s Register Group

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C. Annual Surveys – Basic Requirements

C1 Confirm that the cargo liquid level indicating devices have been generally examined Yes/No/NA*

C2 Confirm that the cargo tanks low level, high level and overflow alarms have been tested Yes/No/NA*

State date of last test by ships staff

Was the test simulated?

Comments: (Type of level indicating devices) Yes/No/NA*

C3 Confirm that the cargo containment system temperature indicating equipment and associated alarms has been tested.

Yes/No/NA*


C4 Confirm that the cargo gas leakage detection systems has been examined and tested together with all alarms and found satisfactory.

Yes/No/NA*

C5 Confirm that the alarms and interlocks associated with pressurised equipment in gas dangerous locations have been tested and found in working order.

Yes/No/NA*

Gas detection and systems in cargo machinery spaces to be tested.


Gas detection and systems in cargo machinery spaces to be tested

State gas detection equipment makes and types for each area:

Cargo area:

Machinery spaces:

Comments:

C6 Confirm that the pressure gauging systems for the cargo tanks, holds (if applicable) and insulation spaces have been examined and found satisfactory.

Yes/No/NA*

C7 Confirm that there is a calibration procedure in operation for pressure gauges and if so were the calibration records reviewed and found in order.

Yes/No/NA*

Notes:

C8 Confirm that the cargo tank and inter barrier insulation space pressure and vacuum relief valves including safety systems and alarms found satisfactory.

Yes/No/NA*

C9 Confirm the satisfactory operation of manual emergency shut down systems together with automatic shut downs of cargo pumps, filling valves and compressors.

Yes/No/NA*

C10 Confirm that the portable and or fixed drip trays and insulation for deck protection (if fitted) for use to contain cargo leakage were examined and found in satisfactory condition.

Yes/No/NA*

C11 Confirm that the cargo pipelines, valves (including pressure relief valves and drainage), fittings and any liquid/vapour hoses were generally examined and expansion bellows, supports and vapour seals on insulated pipes found satisfactory.

Yes/No/NA*

C12 Confirm that the sealing arrangements at the gas domes were examined and found satisfactory. Yes/No/NA*

C13 Confirm the protective screens for cargo, bunker, ballast and vent piping systems including vent masts were examined as far as practicable and found satisfactory.

Yes/No/NA*

C14 Confirm the wheel house doors and windows, side scuttles and windows in the superstructure and deck house ends facing the cargo area in efficient condition.

Yes/No/NA*

C15 Confirm the ventilation systems airlocks to working spaces and accommodation ventilation closing arrangements have been checked and found to be in satisfactory operation.

Yes/No/NA*

C15.1 Confirm that the fixed/portable ventilation systems for spaces not normally entered are in a satisfactory condition.

Yes/No/NA*

C16 Confirm the closing and other arrangements of any special enclosed space provided for crew protection in the event of a major cargo release examined and found satisfactory.Notes:

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C17 Environmental Control Yes/No/NA*

Confirm that the inert gas or nitrogen supply system for environmental control of the cargo tanks and hold spaces (if applicable) has been examined and found in order.

C17.1 Nitrogen Systems Yes/No/NA*Bulk Storage Nitrogen Generators

State contents of bulk storage tanks:

Were the N2 generators tested and found in full working order?

What is the normally full capacity?

Have the nitrogen systems alarms been tested?

Were the N2 storage tank and associated equipment in satisfactory condition?

State last date of test by Ship’s staff

State dates credited for survey (CSM)

C. Annual Surveys – Basic Requirements (Cont)C17.2 Inert Gas System

The following examined and dealt with, where applicable;

(a) External examination of the condition of all piping and components for signs of corrosion gas leakage/effluent leakage.

Yes/No/NA*

(b) Proper operation of both inert gas blowers verified. Yes/No/NA*

(c) Scrubber room ventilation system checked. Yes/No/NA*

(d) Checking as far as practicable the deck water seal for automatic filling and draining and checking for the presence of water carrying over.

Yes/No/NA*

(e) Checking operation of the non return valve. Yes/No/NA*

(f) Testing of all remotely operated or automatically controlled valves including the gas isolating valve(s).

Yes/No/NA*

(g) Checking the interlocking features of soot blowers. Yes/No/NA*

(h) Checking that the gas pressure regulating valve automatically closes when the inert has blowers are secured.

Yes/No/NA*

(i) Checking as far as practicable the following alarms and safety devices of the inert gas system using simulated conditions where necessary.(i) High oxygen content of as in the inert gas main. Yes/No/NA*

(ii) Low gas pressure in the inert main. Yes/No/NA*

(iii) Low pressure in the supply to the deck water seal. Yes/No/NA*

(iv)

High temperature of gas in the inert gas main. Yes/No/NA*

(v) Accuracy of portable and fixed oxygen measuring equipment by means of calibration gas (span gas)

Yes/No/NA*

Survey carried out by the National Authority of the Country in which the ship is register may be accepted at the discretion of the survey as meeting these requirements.State Date when surveyed by the National Authorities:

State other survey dates by the LR: (e.g. surveyed as part of safety equipment survey).

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C18 Environmental ControlInert/Drying gas Systems

Confirm arrangement for, sufficient gas to be carried to compensate for normal losses in cargo insulation spaces and where the gas control systems to these spaces together with pressure/flow gauges, found in satisfactory working order.

Yes/No/NA*

C18.1 Air drying systems (if applicable) to the hold spaces in efficient working order. Yes/No/NA*

C18.2 Inter barrier and hold space purging inert gas system found in efficient working order. Yes/No/NA*

C19 Electrical EquipmentC19.1 Confirm, as far as practicable, by visual inspection, that the electrical equipment in gas dangerous

zones and spaces was in good condition and properly maintained, with no evidence of any unauthorised modification to the installation in these.

Yes/No/NA*

C19.2 Cable runs examined as far a practicable for sheath and armouring defects and the cable supports found in good order.

Yes/No/NA*

C19.3 Intrinsically safe cables properly separated from other electrical cables. Yes/No/NA*

C19.4 Bonding straps for the control of static electricity and earthing examined visually and found in good condition.

Yes/No/NA*

C19.5 Confirm the alarms and interlocks associated with pressurised lighting systems in gas dangerous spaces (compressor, motor rooms etc.) tested and found in working order.

Yes/No/NA*


C19.6 Interlocks and alarms associated with airlocks to working spaces tested and found operational, if fitted.

Yes/No/NA*

C20 Crew ProtectionC20.1 Confirm that suitable protective clothing for crew engaged in loading and discharging operation was

readily available and suitable stored.Yes/No/NA*

State Type and Number of Protective Suits available (min. 5 protective suits)

C20.2 Are there a minimum or two additional firemen’s outfits in additional to those required by SOLAS 1983 Chapter II-2, Reg. 17. As required by personnel protection requirements of the applicable gas code.

Yes/No/NA*

C20.3 Has all compressed air equipment been examined by a responsible officer each month and recorded.

Yes/No/NA*


C. Annual Surveys – Basic Requirements (Cont)C20.4 Decontamination arrangements and eye washes examined and found satisfactory. Yes/No/NA*

C20.5 Confirm that the ship is provided with a least two sets of portable gas detection equipment suitable for the products carried together with an oxygen mater and are they in efficient working condition.

Yes/No/NA*

State Type

Gas detection meters:

Oxygen meters: C20.6 Ensure medical first-aid equipment, including oxygen resuscitation equipment and antidotes, for

cargoes to be carried, are provided;Yes/No/NA*

C20.7 Confirm that respiratory and eye protection suitable for emergency escape purposes are to be provided for every person onboard and an additional 2 sets provided on the Navigation Bridge.

Yes/No/NA*

C21 Fire Protection And Extinguishing Arrangements

C21.1 Water spray system for cooling, fire prevention and crew protection examined and found in order with all valves and pumps in efficient working condition.

Yes/No/NA*


C21.2Cargo area dry powder extinguishing system examined and found in order. Yes/No/NA*

State last service date:

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C21.3 Confirm that the fixed fire fighting installations in the gas dangerous spaces have been examined and the means of operation clearly marked.

Yes/No/NA*

C22 Other Survey ItemsC22.1 Are there any special arrangements for the vessel to survive conditions of damage and are they in

order. (If applicable, refer to Damage Stability manual on board).Yes/No/NA*

C22.2 Have the arrangements (if applicable) for bow or stern loading/unloading with particular reference to the electrical equipment, fire-fighting arrangements and means of communication, between cargo control room and shore location, been examined and found satisfactory.

Yes/No/NA*

C22.3 Confirm any removable pipe lengths, or other approved equipment necessary for cargo separation, available and satisfactory.

Yes/No/NA*

C23 Annual Surveys – Methane Burnings Equipment And Other Equipment ComponentsConfirm the following has been generally examined externally together with the condition of insulation where applicable and found in order.

C23.1 Heat exchangers and pressure vessels for use with methane burning in main boilers. Yes/No/NA*

C23.2 Cargo heaters, vaporizers, masthead heaters and other miscellaneous pressure vessels. Yes/No/NA*

C23.3 Cargo compressors and associated valves, instrumentation, alarms and pipework. Yes/No/NA*

C24

C24.1 Confirm the fuel oil and fuel gas flame failure interlocks have been tested and fuel oil and gas valves verified to shut on operation of these shut down devices.

Yes/No/NA*

C24.2 Confirm that the nitrogen gas purging system for the fuel gas burning arrangements in efficient working order.

Yes/No/NA*

C24.3 Inert gas purging system for the fuel gas burning arrangements in efficient working order. Yes/No/NA*

C24.4 Manual and automatic has shut off valves have been examined and found in order. Yes/No/NA*

C24.5 Fuel gas non return valves and flame arresters have been examined externally and found in order. Yes/No/NA*

C24.6 Fuel gas master valve to the machinery space in efficient working order. Yes/No/NA*

C24.7 Confirm that there are adequate spares for each type of vent fan for the boiler gas canopies and fuel gas piping duct on board.

Yes/No/NA*

C24.8 All methods of testing the trips to the fuel has master valve to the machinery space have been tested and found satisfactory.

Yes/No/NA*

C24.9 Is there documented evidence (ship’s check list) of all the above tests being regularly tested by ship’s staff.

Yes/No/NA*


C24.10

Alarm systems are to be checked to ascertain they are in working order. Yes/No/NA*

C24.11

Exhaust fans and/or pressurising system for gas trunking are to be tested. Yes/No/NA*

C24.12

Safe-type equipment associated with the gas fuel supply examined visually and found to be in good order, with no evidence of any unauthorised modification.

Yes/No/NA*

C. Annual Surveys – Basic Requirements (Cont)

C25 Cold Spot ExaminationC25.1 If the insulation arrangements are such that the insulation cannot be examined, were the

surrounding structures of wing tanks, D.B. tanks and cofferdams examined for cold spots prior to the survey.State Date and Port cold spot examination was held Yes/No/NA*

C25.2 A signed statement received from the master stating cold spot examinations were carried out by ship’s staff.

Yes/No/NA*

State Date(s) of these examinations

C26 Annual Surveys – Re-Liquefaction/Refrigeration Systems.

If the vessel is fitted with re-liquefaction or refrigeration equipment for cargo temperature and pressure control and assigned the notation “RMC(LG)” the following examined as far as practicable;

C26.1Machinery examined under working conditions Yes/No/NA*

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C26.2 Shells of all pressure vessels examined externally (insulation need not be removed for this examination but any deterioration of insulation or evidence of dampness which could lead to external corrosion of the vessel’s or their connections is to be investigated)

Yes/No/NA*

C26.3 Primary refrigerant gas and liquid pipelines, cargo vapour and liquid condensate pipelines and condenser cooling water pipelines examined externally. (Insulation need not be removed but any deterioration or evidence of dampness is to be investigated).

Yes/No/NA*

C26.4Spare gear for the re-liquefaction/refrigeration plant found to be satisfactory. Yes/No/NA*

Notes:

D. Intermediate SurveysIn addition to the requirements for annual classification/SOLAS surveys the classification/SOLAS intermediate survey requirements are to be dealt with and the associated check list completed as applicable together with the annual survey requirements (Check list items A, B and C) for ships for liquefied gases.

D1Drainage arrangements for the vent piping system examined and found satisfactory. Yes/No/NA*

D2Verify that the cargo pipe lines and cargo tanks are electrically bonded to the hull. Yes/No/NA*

D3 Verify that the steel structure heating arrangements in way of the cargo tanks are in satisfactory working order and that the associated temperature alarms were operational.

Yes/No/NA*

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D. Intermediate Surveys (Cont)D4

Annual Surveys – Cargo Containment Systems – First Intermediate Survey After Initial Commissioning Of The Ship

Confirm that the following examinations carried out:

Cargo tanks (other than independent tanks type C)

D4.1 Tanks examined internally. Yes/No/NA*D4.2 Tanks examined (where possible) externally. Yes/No/NA*D4.3 Tower structures and other attachments within tanks together with tank supports and securing

arrangements examined and found satisfactory.Yes/No/NA*

D4.4 List tanks credited for survey after above examinations: Yes/No/NA*

D5 Cargo tank and inter barrier space pressure and vacuum relief valves overhauled, examined and settings adjusted to the required pressures. Yes/No/NA*Maximum relief pressure for cargo tank relief valves are not to be more than the following percentage above the maximum vapour pressure for which the tanks have been approved.The maximum vapour pressure for which the tanks have been approved is as follows;

For 0 to 1.5 bar (0 to 1.5kg/cm2) – 10%

For 1.5 to 3 bar (1.5 to 3.0 kg/cm2) – 6%

For pressure exceeding 3.0 bar (3.00 kg/cm2) – 3%

Notes

A comprehensive list of all safety valves tested, recording their settings, is to be retained in the vessel’s survey book.

D6 Setters for adjusting relief valves to harbour pressure examined and found satisfactory (where applicable).

Yes/No/NA*D7 Ship’s cargo hoses examined and found to be as approved and in satisfactory condition. Yes/No/NA*D8 Spares for cargo area mechanical ventilation fans examined and found satisfactory. Yes/No/NA*

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D. Intermediate Surveys (Cont)D9 When all of the following conditions apply: Yes/No/NA*

Ship is 10 years of age or over;

1978 SOLAS Protocol Applies

Cargoes are being carried that are not listed in applicable Gas Carrier Code;

Two spaces (being integral with the hull, and may include double bottoms), within the cargo area, should be subject to an internal examination. Any internal examination of spaces within the cargo area, which may be made for other reasons, may count towards this requirement.

D10

Electrical insulation resistance test of circuits terminating in, or passing through, dangerous areas carried out, or (if the ship was not in gas0free condition) the results of previously recorded readings sighted, with satisfactory findings.

Yes/No/NA*

D11

Integrity of safe type electrical equipment found in order, verifying that the equipment has not been impaired owing to corrosion, missing bolts, etc.

Yes/No/NA*

Confirm why there was no unauthorised modification to the installation of i-s (“zener”) barriers and associated wiring; was the effectiveness of any i-s earthing arrangement verified.

Yes/No/NA*

E. Renewal Survey Corresponding To SS I (Ships Five years Old) – General RequirementsThe requirements of the annual survey and intermediate survey are to be complied with. – Check list items A, B, C & D.

E1 All cargo tanks examined internally together with an examination of plating in way of supports of securing arrangements, tower structures, seating and pipe connections also to sealing arrangements in way of tank top/deck penetrations.

Yes/No/NA*

State cargo tanks examined and to credit for survey:

Note:

Provided that the structural examination is satisfactory, that the gas leakage monitoring systems have been found to be operating satisfactorily and the voyage records (cargo log book) have not shown any abnormal operation.Cargo tanks to not require to be hydraulically tested.

E2 If any repairs to the cargo containment system (cargo tanks, liquid, vapour lines etc.) have been carried out full details to be reported, in survey report narrative together with any plan approval recommendations. (if applicable)

Yes/No/NA*

E3 Were independent cargo tanks of type “C” installed. Yes/No/NA*

Non destructive testing of the plating in way of supports and also selected lengths of weld. (Where such testing raises doubt as to the structural integrity a hydraulic test is to be carried out at 1.25 times the approved maximum vapour pressure.

Alternatively consideration will be given to pneumatic testing under special circumstances provided the full details are submitted for approval.)

E4 Deck mounted cargo storage tanks examined internally and externally as per the main cargo tanks. Yes/No/NA*

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E. Renewal Survey Corresponding to SS I (Ships Five years Old) – General Requirements (Cont)E5 Confirm that the cargo tank secondary batteries examined for effectiveness visually where possible

or by pressure/vacuum test on the inter barrier spaces over a 36 hour period. (global tests)Yes/No/NA*

The results of the pressure/vacuum tests to be retained in the survey record book.

(alternative means of checking the secondary barriers will be considered).

Have the results of these tests been reviewed and found in accordance with the containment system manufacturers/designers recommended limits)

Yes/No/NA*

Note:

(a) For Gaz Transport and Technigaz containment systems a leakage rate greater tan 4mb/10hr. will require to be investigated and corrective action carried out to the surveyor’s satisfaction.

(b) Where cargo containment systems have secondary barriers which cannot be examined or tested and have been approved on the basis of extensive prototype testing, the barriers will be considered to remain efficient provided a cold spot examination of the adjacent steel work is satisfactory and records of the steel work temperature reading are verified acceptable.

E6 Insulation where accessible in way of the cargo tank or hull structure examined externally together with any vapour or protective barrier.

Yes/No/NA*

E7 Were any sections removed for examination, if so report their condition of structure in way. Special attention should be given to insulation in way of chocks, supports and keys. Portions of the insulation are to be removed, if required by the surveyor to enable the condition of the plating to be ascertained.Where insulation is not accessible refer to C-(1).

Yes/No/NA*

E8 Cargo tank internal pipes and fittings examined and were all valves and cocks in direct communication with the interiors of the tanks opened up for inspection and the connection pipes examined internally as far as practicable.

Yes/No/NA*

E9 Pressure relief valves and vacuum relief valves on cargo tanks and inter-barrier spaces opened up and examined.

Yes/No/NA*E10 Pressure relief valves adjusted to list at a pressure in accordance with D5. Yes/No/NA*E11 Confirm that the relief valve harbour settings checked. (if applicable) Yes/No/NA*E12 Relief valves on cargo liquid and gas pipelines opened up for examination and their settings

correctly adjusted.Yes/No/NA*

Note:

All safety relief valves that have their pressure checked/adjusted are to be listed and the list retained in the survey record.

E13 Cargo pumps, cargo booster pumps and cargo vapour compressors opened up for examination. Yes/No/NA*

State pumps and compressors examined:

E13.1 If cargo pumps, cargo booster pumps and cargo vapour compressors examined on a continuous basis, confirm that the interval between examinations does not exceed 5 years.

Yes/No/NA*

E14 Pumping systems for the inter-barrier spaces checked and verified to be in good working order. Yes/No/NA*E15 Insulation to be removed from the cargo liquid and vapour pipe work, where considered necessary,

to ascertain the condition of the pipe work. (areas removed to be recorded)Yes/No/NA*

E16 Equipment for the production of inert gas examined and shown to be operating satisfactorily with the gas specification limits.

Yes/No/NA*

E17 Were any repairs/modifications carried out to cargo liquid and vapour pipe work. All such repairs are to be reported.

Yes/No/NA*

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E. Renewal Survey Corresponding to SS I (Ships Five Years Old) – General Requirements (Cont)E18 Pipe links, valves etc. for distribution of the inert gas generally examined. Yes/No/NA*E19 Pressure vessels for the storage of inert gas examined internally and externally together with the

securing arrangements.Yes/No/NA*

E20 Pressure relief valves for the storage of inert gas demonstrated to be in good working order. Yes/No/NA*E21 Liquid nitrogen storage vessels examined as far as practicable and all control equipment, alarms and

safety devices verified operational.Yes/No/NA*

See also annual survey requirements C17 –(1)&(2) for inert gas and liquid nitrogen systems.

E22 Gas tight bulkhead shaft seals opened up and examined and sealing arrangements confirmed satisfactory on re-assembly.State shaft seal alarms that were tested. (if applicable)

Yes/No/NA*

E23 If the ship was in dry dock were sea connections associated with confirm that the cargo handling equipment opened up and examined.

Yes/No/NA*

E24 Arrangements for discharging the cargo overboard in an emergency checked. Yes/No/NA*E25 Membrane LNG Cargo Tanks:

(a)

Pump mast inspected

A visual inspection is required on the pump tower. Special attention should be paid: Yes/No/NA*To the double sleeve pipe penetrations through inner trunk deck, from the pump tower, and by accessing the inner trunk deck space;

around the “K”, “T” and “X” details;

And to the tower’s expansion/contraction guidance system at the base.

(b)

Visual condition of punch (pneumatic or missile device) for primary barrier space been checked, if provided/installed. – DO NOT TEST.

Yes/No/NA*

E26 Test carried out to demonstrate the effectiveness of bonding arrangements for the control of static electricity, particularly where not evident from visual examination of bonding straps and their fastenings.

Yes/No/NA*

Notes:

E. Renewal Survey Corresponding to SS I (Ships Five years Old) Re-Liquefaction/Refrigeration equipmentThe following items may also be examined on a continuous basis.

(Refer to the Survey status/masterlist)

F1 Each reciprocating compressor opened up and examined cylinder bores, pistons, piston rods, connecting rods, valves and seats, glands, relief devices, suction filters and lubricating arrangements are to be examined. Crankshafts are to be examined but crankcase glands and the lower half of main bearings need not be exposed if the surveyor is satisfied with the alignment and wear.

Yes/No/NA*

State compressors examined:

F2 If other than reciprocating compressors were fitted when they opened up and examined. Yes/No/NA*State compressors examined:

F3 Was an approved system (by LR) of replacement compressors in use in lieu of on board surveys. Yes/No/NA*

F4 End covers of each condenser removed and the tubes, tube plates and covers examined. Yes/No/NA*State condensers examined:

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F. Renewal Survey Corresponding to SS I (Ships Five Years Old) Liquefaction/Refrigeration EquipmentF5 Refrigerant condenser cooling water pumps, including stand by pump(s) which may be used on other

services opened up and examined.Yes/No/NA*

State pumps examined:

F6 Where pressure vessels are insulated was sufficient insulation removed especially in way of connection and supports to enable the vessel’s condition to be ascertained.

Yes/No/NA*

State vessel examined:

F7 Confirm that sufficient insulation remove form the insulated pipes to enable their condition to be ascertained.

Yes/No/NA*

F8 An examination of all pressure relief valves and/or bursting discs throughout the system carried out to confirm they were in satisfactory working condition.

Yes/No/NA*

List all safety valves removed from the plant and tested in a workshop together with their lift pressures:

No Attempt is to be made to test primary refrigerant pressure relief valves on board the ship.

G. Renewal Survey Corresponding to SS I (Ships Five years Old) Methane Burning EquipmentThe following items may also be examined on a continuous basis.(refer to the Survey Status/masterlist)

G1 If boil off gas (methane) is used as fuel, for main propulsion purposes, were the associated compressors and heat exchangers opened up and examined as for re-liquefaction/refrigeration equipment (item F1).

Yes/No/NA*

G2 Confirm that the steam side of steam heaters hydraulically tested to 1.5 times design pressure. Yes/No/NA*

G3 Fuel gas pipe trunks or casings generally examined and the exhaust or inerting arrangements for these spaces verified.

Yes/No/NA*

G4 All the alarms associated with fuel gas burning systems verified in working condition. Yes/No/NA*

(see also C2 annual survey requirements)

State date last tested by ship’s staff:

H. Renewal Survey Corresponding to SS I (Ships 10 years Old And Over) And Special Surveys ThereafterThe requirements of A, B, C, D, E, F and G to be complied with as applicable.

H1 Water cooled condensers in which the primary refrigerant is in contact with the shell pneumatically tested to a pressure equal to the designed working pressure on removal of the end covers.

Yes/No/NA*

List condensers tested together with test pressure:

H2 All other pressure vessels in the re-liquefaction/refrigeration, methane burning and other cargo handling systems pneumatically tested as applicable to a pressure equal t the design working pressure.

Yes/No/NA*

List vessels tested and test pressure:

H3 Liquid cargo pipe lines pneumatically tested to a pressure equal to 1.25 times the working pressure or alternatively were selected representative lengths removed for testing and internal examination.

Yes/No/NA*

State liquid pipe systems tested and test pressure:

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H. Renewal Survey Corresponding to SS I (Ships 10 years Old and Over) and Special Surveys ThereafterH4 At special survey III (Ships 15 years old and over) and at each alternate special survey thereafter

thickness gaugings to be taken of plating of independent cargo tanks and also the hull structural plating surrounding the cargo tanks where insulated on one side.

Yes/No/NA*

Report the condition of the protective coatings of the plating surrounding the cargo tanks where insulated from one side and list the areas where these examinations where held. E.g. ballast tank cofferdams:

Remarks

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NotesA survey record book is to be kept on board for the use of the Lloyd’s Register Surveyors, the government Representatives of the State whose flag the ship is entitled to fly, Port State Authorities, Ship’s staff/Owners Representatives and is to contain the following certificates and documentation and also be reviewed and signed by the Society’s surveyors on completion of an annual, intermediate, renewal surveys or other surveys related to the validity of the certificate of fitness.

1. Current certificate of fitness for the carriage of liquefied gases in bulk.

2. A interim certificate of class relating to all gas code, annual/intermediate classification/SOLAS surveys.

3. A blank copy of the LR survey check list for ready information of the items to be examined at the required survey.

4. A completed survey control record (Sheet 4 of 4) detailing the surveyable items and dates of survey.

5. Ship’s check list of all testing of alarms and shut downs relating to the cargo containment and cargo handling systems.

6. All calibration records made by the manufacturers representatives, ship’s staff or other responsible bodies for cargo tank contents, temperature, pressure and level gauges together with calibration records of cargo tank high and low level alarms and high level shut downs.

7. A copy of any test report for pressure/vacuum testing of the cargo tank inter-barrier spaces (primary and secondary).

8. Copies of any approved plans together with approval letters stamped, covering modification and/or repairs to the cargo containment/cargo handling systems.

9. Signed statement by the Master confirming that a cold spot examination was carried out by ship’s staff.

10.

Any other relevant document which testifies to the efficient management/operation of the cargo containment/cargo handling systems.

Note: the above information is to be kept in the survey record book until the certificate of fitness that it relates to expires, thereafter this information is to be retained in accordance with the owner’s document retention procedures.Cargo Containment: Definition of Cargo Tanks:

Integral Tanks1. Integral tanks form a structural part of the ship's hull and are influenced in the same manner and by the same loads

which stress the adjacent hull structure.

2. The design vapour pressure Po as defined in 4.2.6 should not normally exceed 0.25 bar. If, however, the hull scantlings are increased accordingly, Po may be increased to a higher value but less than 0.7 bar.

3. Integral tanks may be used for products provided the boiling point of the cargo is not below -10°C. A lower temperature may be accepted by the Administration subject to special consideration.

Membrane Tanks1. Membrane tanks are non-self-supporting tanks which consist of a thin layer (membrane) supported through insulation by

the adjacent hull structure. The membrane is designed in such a way that thermal and other expansion or contraction is compensated for without undue stressing of the membrane.

2. The design vapour pressure Po should not normally exceed 0.25 bar. If, however, the hull scantlings are increased accordingly and consideration is given, where appropriate, to the strength of the supporting insulation, Po may be increased to a higher value but less than 0.7 bar.

3. The definition of membrane tanks does not exclude designs such as those in which non-metallic membranes are used or in which membranes are included or incorporated in insulation. Such designs require, however, special consideration by the Administration. In any case the thickness of the membranes should normally not exceed 1 mm.

Semi-membrane tanks1. Semi-membrane tanks are non-self-supporting tanks in the loaded condition and consist of a layer, parts of which are

supported through insulation by the adjacent hull structure, whereas the rounded parts of this layer connecting the above-mentioned supported parts are designed also to accommodate the thermal and other expansion or contraction.

2. The design vapour pressure Po should not normally exceed 0.25 bar. If, however, the hull scantlings are increased accordingly, and consideration is given, where appropriate, to the strength of the supporting insulation, Po may be increased to a higher value but less than 0.7 bar.

Independent tanks1. Independent tanks are self-supporting; they do not form part of the ship's hull and are not essential to the hull strength.

There are three categories of independent tanks referred to in 4.2.4.2 to 4.2.4.4.

2. Type A independent tanks are tanks which are designed primarily using Recognized Standards of classical ship-structural analysis procedures. Where such tanks are primarily constructed of plane surfaces (gravity tanks), the design vapour pressure Po should be less than 0.7 bar.

3. Type B independent tanks are tanks which are designed using model tests, refined analytical tools and analysis methods to determine stress levels, fatigue life and crack propagation characteristics. Where such tanks are primarily constructed of plane surfaces (gravity tanks) the design vapour pressure Po should be less than 0.7 bar.

4. Type C independent tanks (also referred to as pressure vessels) are tanks meeting pressure vessel criteria and having a design vapour pressure not less than:

Form 2088 (2003.08)

survey checklist for ships carrying liquefied gases in bulk

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