Chapter 2 Survey Requirements of Steel Ship
2.5 Annual Surveys
(b) Mountings including safety valves are to be examined and opened up for further examination if deemed necessary by the Surveyor. Safety valves are to be set as the requirements in Part V. All studs fastening directly to boiler shells or heads, if provided, are to be examined.
(c) In case the dimensions of boiler plates, tubes and stays are required to be ascertained, an efficient non-destructive examination is to be carried out. The allowable working pressure may be required to reduce from its designed working pressure if the dimension is found to be undersized due to corrosion or waste.
(d) The oil fuel burning system together with its safety appliances, valves, control g ears, oil discharge pipes between pumps and burners are to be examined under working condition.
(e) Automatic combustion control devices, if provided, are to be tested under working condition.
(f) In case an important repair carried out or if deemed necessary by the Surveyor, the hydraulic test may be required.
Note: Hydraulic test pressures are as follows:
Boiler's age Test pressure Remarks
Age < 12 years P = 1.25 Po Po 4 MPa P = 1.2 Po+ 0.2 Po > 4 MPa Age 12 years P = 1.15 Po
Po is the working pressure.
(g) In fired boilers employing forced circulation, the pumps used for this service are to be opened and examined at each boiler survey.
(h) At each annual survey, general examination is to be carried out.
2.4.2 Thermal oil heater surveys
(a) Thermal oil plants are to be subjected to functional tests, while in operation.
(b) The following items are to be examined:
(i) The entire thermal oil plant for leakage.
(ii) The condition of the insulation.
(iii) The functioning of the indication, control and safety equipment.
(iv) Remote controls for the shut-off and discharge valves.
(v) Leakage monitors for heaters (for exhausting gas heating).
(vi) The testing of safety devices.
(c) Heating surfaces and, where appropriate, the combustion chamber, are to be examined for contamination, corrosion, deformations and leakage.
(d) As a rule, tightness tests are to be carried out to the admissible working pressure.
2.5 Annual Surveys
2.5.1 Annual surveys - hullAt each annual survey the general condition of hull and equipment is to be examined so far as can be seen and placed in satisfactory condition as necessary, attention being paid to the following items:
(a) Hull and deck plating and its closing appliances and watertight penetrations.
(b) Hatch covers and coaming
2.5 Annual Surveys
(i) It is to be confirmed that no unapproved changes have been made to the hatch covers, hatch coamings and their securing and sealing devices since the last survey.
(ii) Where mechanically operated steel covers are fitted, checking the satisfactory condition:
(1) Hatch covers;
(2) Tightness devices of longitudinal, transverse and intermediate cross junctions (gaskets, gasket lips, compression bars, drainage channels);
(3) Clamping devices, retaining bars, cleating;
(4) Chain or rope pulleys;
(5) Guides;
(6) Guide rails and track wheels;
(7) Stoppers, etc;
(8) Wires, chains, gypsies, tensioning devices;
(9) Hydraulic system essential to close and securing;
(10) Safety locks and retaining devices.
(iii) Where portable covers, wooden or steel pontoons are fitted, checking the satisfactory condition:
(1) Wooden covers and portable beams, and their securing devices;
(2) Steel pontoons;
(3) Tarpaulins;
(4) Cleats, battens, wedges;
(5) Hatch securing bars and their securing devices;
(6) Loading pads/bars and the side plate edge;
(7) Guide plates and chocks;
(8) Compression bars, drainage channels and drain pipes (if any).
(iv) If considered necessary by the Surveyor, the effectiveness of sealing arrangement of all hatch covers is to be confirmed.
(v) Checking the condition of hatch coaming plating and their stiffeners. Where significant wastage of hatch covers is noted, thickness measurement is to be carried out and renewal made as necessary.
(vi) Proper operating and functioning of hatch cover and securing arrangements are to be confirmed.
(c) Protection of other openings
(i) Hatchways, manholes, and scuttles in freeboard and superstructure decks.
(ii) Machinery casings, fiddley covers, companion- ways and deckhouses protecting openings in freeboard or enclosed superstructure decks.
(iii) Portlights together with deadcovers, cargo ports, bow or stern access, chutes and similar openings in ship's sides or ends below the freeboard deck or in way of enclosed superstructures.
(iv) Ventilators, air pipes together with flame screens, scuppers and discharges serving spaces on or below the freeboard deck.
(v) Watertight bulkheads, bulkhead penetrations and wall of enclosed superstructure.
(vi) Weather-tight and watertight doors and closing appliances for all of the above including proper operation of such doors.
(d) Freeing ports together with bars, shutters and hinges.
(e) Protection of the crew
Guard rails, lifelines, gangways, accommodation ladders with accessory wires, winches and gears and deck houses accommodating crew.
(f) Verification of loading guidance and stability data
(i) For ship provided with the loading manual continuous such means in ready use.
2.5 Annual Surveys
(ii) For ship provided with the loading computer, confirmed that a loading computer installed on board have the performance and functions as deemed appropriate by the Society.
(iii) Confirmed that an approved stability booklet is kept on board for ready use.
(g) Verification that no alternations have been made to the hull or superstructures which would affect the calculation determining the position of load lines. The load line marks (see Appendix 4) are to be sighted, found plainly visible, and recut and/or painted as required. Surveys carried out by the National Authorities of the countries in which the ships are registered may be accepted as meeting these requirements.
(h) Anchoring and mooring equipment including the working test of windlass.
(i) Bow doors, inner doors, side shell doors and stern doors are to be surveyed as per IACS UR Z24 "4.
Annual Survey".
(j) Fire protection and fire fighting arrangements including operation tests as far as practicable
Confirmation as far as practicable, that no significant changes have been made to the arrangement of structural fire protection is also to be carried out. Surveys carried out by the National Authorities of the countries in which the ships are registered may be accepted as meeting these requirements.
(k) Ballast tanks for vessels of age over 5 years
(i) Ballast tanks, excluding double bottoms, of which protective coating was not applied from the time of construction, the spaces in question are to be internally examined and gauged as necessary.
(ii) Ballast tanks which were required as a consequence of the outstanding notes set up at the intermediate or special survey due to no protective coating, soft or semi-hard coating or Poor condition without dealing with are to be internally examined. When extensive corrosion is found, thickness measurement is to be carried out.
(l) Additional ESP requirements for oil tankers (i) General
The survey is to consist of an examination for the purpose of ensuring, as far as practical, that the hull and piping are maintained in a satisfactory condition and is to take into account the service history condition.
(ii) Weather decks
(1) Cargo tank opening including gaskets, covers, coamings and flame screens.
(2) Examination of cargo tank venting arrangements including secondary means of venting, or over/under pressure alarms where fitted, with associated pressure/vacuum valves and screens.
(3) Flame screens on vents to all bunker, oily ballast and oily slop tanks.
(4) Cargo, crude oil washing, bunker and vent piping systems, including vent masts and headers.
(iii) Cargo pump rooms and pipe tunnels
(1) All bulkheads for signs of oil leakage or fractures and, in particular, the sealing arrangements of all penetrations of bulkheads.
(2) The condition of all piping systems.
(iv) Ballast tanks
(1) Examination of ballast tanks is to be carried out when required as a consequenc e of the results of the Special Survey and Intermediate Survey. When considered necessary by the Surveyor, thickness measurement is to be carried out.
(2) Where Substantial Corrosion is found, the extent of thickness measurements is to be increased in accordance with the requirements in Table I 2-4B.
(3) For oil tankers exceeding 15 years of age, all ballast tanks adjacent to (i.e. with a common plane boundary) a cargo tank with any means of heating are to be examined internally. When considered necessary by the surveyor, thickness measurements are to be carried out and if the results of these thickness measurements indicate that Substantial Corrosion is found, the extent of thickness measurements is to be increased in accordance with the requirements of Tab le I
2.5 Annual Surveys
2-4B of this Chapter. Tanks or areas where coating was found to be in Good condition at the previous intermediate or special survey may be specially considered by the Society.
(v) Verification that at least one portable detector for measuring flammable vapour concentrations is available, together with a sufficient set of spares and a suitable means of calibration.
(m) Additional ESP requirements for bulk carriers (i) General
The survey is to consist of an examination for the purpose of ensuring, as far as practicable, that the hull, hatch covers, coamings and piping are maintained in a satisfactory condition.
(ii) Close-up survey of hatch covers and coamings.
(iii) Examination of ballast tanks when required as a consequence of the results of the special survey When considered necessary by the surveyor, or where extensive corrosion exists, thickness measurement is to be carried out. If the results of these thickness measurements indicate that Substantial Corrosion is found, the extent of thickness measurements is to be increased in accordance with Table I 2-4C.
(iv) Examination of cargo holds
(1) Bulk carrier over 10 years and up to 15 years of age
– Overall survey of all cargo holds. Where the protective coating in cargo holds is found to be in Good condition, the extent of close-up surveys and thickness measurement may be specially considered.
– Close-up examination of sufficient extent, minimum 25% of frames, to establish the condition of the lower region of the shell frames including approx. lower one third length of side frame at 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 r emedial measures, the survey is to be extended to include close-up survey of all of the shell frames and adjacent shell plating of that cargo hold as well as close-up survey of sufficient extent of all remaining cargo holds.
– When considered necessary by the Surveyor, or where extensive corrosion exists, thickness measurement is to be carried out. If the results of these thickness measurements indicate that Substantial Corrosion is found, the extent of thickness measurement shell be increased in accordance with the Table I 2-4C.
– All piping and penetration in cargo holds, including overboard piping, is to be examined.
(2) Bulk Carrier over 15 years of age
– Overall survey of all cargo holds. Where the protective coating in cargo holds is found to be in Good condition, the extent of close-up surveys and thickness measurement may be specially considered.
– Close-up examination of sufficient extent, minimum 25% of frames, to establish the condition of the lower region of the shell frames including approx. lowe r one third length of side frame at 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 is to be extended to include close-up survey of all of the shell frames and adjacent shell plating of that cargo hold as well as close-up survey of sufficient extent of all remaining cargo holds.
– When considered necessary by the Surveyor, or where extensive corrosion exists, thickness measurement is to be carried out. If the results of these thickness measurements indicate that Substantial Corrosion is found, the extent of thickness measurement is to be increased in accordance with the Table I 2-4C.
– All piping and penetration in cargo holds, including overboard piping, is to be examined.
(3) The following examination of the foremost cargo hold is to be carried out for ships of 150 m in length and upwards of single side skin construction, carrying solid bulk cargo es having a density of 1,780 kg/m3 and above, constructed before 1 July 1999, and constructed with an insufficient number of transverse watertight bulkheads to enable them to withstand flooding of
2.5 Annual Surveys
the foremost cargo hold in all loading conditions and remain afloat in a satisfactory condition of equilibrium as specified in regulation XII/4.4 of the SOLAS.
(A) For bulk carriers of 5 age 15:
– An overall survey of the foremost cargo hold, including close-up survey of sufficient extent, minimum 25% of frames, is to be carried out to establish the condition of shell frames including their upper and lower end attachments, adjacent shell plating, and transverse bulkheads; and areas found to be Suspect Areas at the previous special survey.
– Where considered necessary by the surveyor as a result of overall and close-up survey as described above, the survey is to be extended to include a close-up survey of all of the shell frames and adjacent shell plating of the cargo hold.
(B) For bulk carriers of age 15:
– An overall survey of the foremost cargo hold, including close-up survey is to be carried out to establish the condition of all shell frames including their upper and lower end attachments, adjacent shell plating, and transverse bulkheads, and areas found to be Suspect Areas at the previous special survey.
(C) Extent of thickness measurement
– Thickness measurement is to be carried out to an extent sufficient to determine both general and local corrosion levels at areas subject to close-up survey, as described in (1) and (2) above. The minimum requirement for thickness measurements are areas found to be Suspect Areas at the previous special survey. Where Substantial Corrosion is found, the extent of thickness measurements is to be increased with the requirement s of Table I 2-4C.
– The thickness measurement may be dispensed with provided the Surveyor is satisfied by the close-up survey, there is no structural diminution and the protective coating, where applied, remains effective.
– The gauging of the vertically corrugated transverse watertight bulkhead between holds No.
1 and No. 2, including each corrugation flange, web, shedder plate and gusset plate, is to be carried out at the levels as described below:
Level (a) and (b) (see Fig. I 2-2 and Fig. I 2-3):
The mid-breadth of each corrugation flanges and webs at approximately 200 mm above the top of shedder plates and top of hopper plates;
The middle of gusset plates between corrugation flanges, if fitted;
The middle of the shedder plates;
The mid-breadth of each corrugation flanges and webs at approximately 200 mm and where as deemed necessary by the Surveyor below upper stool, if fitted.
Level (c) (see Fig. I 2-2 and I 2-3):
For ships with or without lower stool Locations:
The mid-breadth of the corrugation flanges and webs at about the mid-height of the corrugation.
- Where the thickness changes within the horizontal levels, the thinner plate is to be gauged.
(n) Where ships have timber load lines, metal sockets or equivalent means for securing upright and e ye plates for lashing are to be examined.
(o) Additional requirements for navigational arrangements for periodical one man watch, and where applicable integrated bridge system. Annual Surveys are to be carried out to ascertain that the equipment and arrangements required for the applicable class notation are being maintained in good working order. At the time of the survey relevant statutory certificates may be accepted as evidence of satisfactory operation.
(p) Helicopter deck
2.5 Annual Surveys
Where areas of the ship are designated for helicopter operations, the helicopter deck, deck supporting structure, deck surface, deck drainage, tie downs, markings, lighting, wind indicator, securing arrangements where fitted and safety netting or equivalent are to be examined.
(q) Ships constructed of reinforced plastic
In addition to the applicable requirements of the annual survey - hull is also to include the following:
(i) All accessible parts particularly liable to rapid deterioration.
(ii) The deck to hull connection, and superstructure and deckhouse connections to the deck.
(r) Barges
In addition to the applicable requirements of 2.5.1, the annual survey is also to include the following:
(i) For barges engaged in the dry bulk cargo trade, at each annual survey after specia l survey No. 3, holds, with particular attention being paid to tank tops, underside of main deck and side shell plating, framing and attachments. Thickness measurements may be required and access is to be provided for inaccessible areas as considered necessary by the attending Surveyor.
(ii) For manned barges annual survey is to include the following:
(1) Fire safety measures.
(2) Fire extinguishers.
(3) Power supply including emergency source of power.
(4) Lifesaving appliances and equipment.
(5) Radio communication installation.
(6) Windlass, anchors and chains.
(7) Fire mains are to be pressurized to the working pressure and surveyed over their full length where accessible.
(s) High speed craft – hull for high speed craft of FRP construction
In addition to the applicable requirements of the annual survey - hull is also to include the following:
(i) The craft is to be placed in dry dock or slipway and all applicable items of the annual survey - hull are to be examined.
(ii) The deck-to-hull connection, and superstructure and deckhouse connections are to be examined.
(iii) The ship is to be thoroughly checked and sounded for any apparent delaminations. Where it is thought a delamination is found, a 50 mm diameter plug is to be removed from the area and examined for core to skin adhesion and water permeation.
2.5.2 Annual survey machinery
At each annual survey, the following requirements are to be complied with:
(a) At each annual survey, a general examination of the propelling machinery and essential auxi liaries, is to be made. The Surveyor may in addition, require such further items to be opened up as considered necessary to ascertain that they are in good working condition.
(b) Machinery and boiler spaces with particular attention to the fire and explosion hazards, and also emergency escape routes are to be generally examined.
(c) All main and auxiliary steering gears including their associated and control systems are to be examined and tested in operation.
(d) All the means of communication between the navigation bridge and the machinery control position, as well as the bridge and the alternative steering position, if fitted, are to be tested.
(e) Bilge pumping systems and bilge wells including operation of pumps, remote reach -rods and level alarms, where fitted, are to be examined as far as practical.
2.5 Annual Surveys
(f) Boilers, thermal oil heaters heated by flame or combustion gas, pressure vessels and their mountings including safety devices, foundations, controls, releasing gear, high pressure and steam escape piping , insulation and gauges are to be externally examined. Confirmation of the safety devices of the boilers and the thermal oil heaters may be required as considered necessary by the Surveyor.
(g) Electrical machinery, emergency sources of electrical power switchgear and other electrical equipment are to be generally examined and also to be tested in operation as far as practicable.
(h) Confirmation as far as practicable of the operation of all emergency sources of power is to be made. If they are automatic, also in the automatic mode.
(i) Where automatic and/or remote controls are fitted for essential machinery, they are to be tested to
(i) Where automatic and/or remote controls are fitted for essential machinery, they are to be tested to