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(Cap 415, section 13)* [2 September 1983] (L.N. 281 of 1983) _________________________________________________________________________________ Note: * These regulations were made under Merchant Shipping Act 1965 (1965 C. 47) section 1 (as adapted and modified by the Merchant Shipping (Tonnage) (Hong Kong) Order 1967 and the Merchant Shipping (Tonnage) (Hong Kong) Order 1982). See sections 13 and 104(1)(b) of the Merchant Shipping (Registration) Ordinance, enacted in 1990 (Cap 415). Cap 415C reg 1 Citation PART I GENERAL These regulations may be cited as the Merchant Shipping (Registration) (Tonnage) Regulations. (74 of 1990 Sch. 5) Cap 415C reg 2 Interpretation In these regulations, unless the context otherwise requires- "Administration" (主管当局) means the Government of the state whose flag the ship is flying; "amidships" (船舯) means the mid point of the length (as defined below); "breadth" (宽度) means the maximum breadth of the ship, measured amidships to the moulded line of the frame in a ship with a metal shell and to the outer surface of the hull in a ship with a shell of any other material; "cargo spaces" (载货舱位) means enclosed spaces which are included in the computation of gross tonnage and are appropriated for the transport of cargo to be discharged from the ship and which are permanently marked with the letters "CC" (cargo compartment) (舱室), such letters being not less than 100 millimetres in height and so positioned as to be readily visible; "Certifying Authority" (核准当局) means a Certifying Authority referred to in regulation 2A; (74 of 1990 Sch. 5) "Contracting Government" (缔约国政府) means the Government of a country which has accepted the Convention; "Convention" (公约) means the International Convention on Tonnage Measurement of Ships, 1969; "Director" (处长) means the Director of Marine and includes any person deputed or authorized by the Director to exercise any power or perform any duty vested in or imposed upon him under these regulations; "enclosed spaces" (围蔽舱位) means all those spaces, other than excluded spaces, which are bounded by the ship's hull, by fixed or portable partitions or bulkheads, or by decks or coverings other than permanent or moveable awnings. No break in a deck, nor any opening in the ship's hull, in a deck or in a covering of a space, or in the partitions or bulkheads of a space, nor the absence of a partition or bulkhead, shall preclude a space from being included in the enclosed spaces; and for the purposes of this definition "excluded spaces" (免除舱位) means any of the following spaces- (a) that part of an enclosed space within an erection opposite an end opening and extending from the opening to an athwartship line at a fore and aft distance from the opening equal to half the breadth of the deck at the line of the opening. Such end opening shall have a breadth equal to or greater than 90 per cent of the breadth of the deck at the line of the opening and shall extend from deck to deck or to a curtain plate of a depth not exceeding by more than 25 millimetres the depth of the adjacent deck beams, as specified in figure 1 of Schedule 2 hereto: Provided that- (i) where at any point the width of the enclosed space, because of any arrangement except convergence of the outside plating, as specified in figure 3 of Schedule 2 hereto, becomes less than 90 per cent of the breadth of the deck at the line of the opening, the excluded space shall extend only to an athwartship line intersecting that point, as specified in figures 2 and 4 of Schedule 2 hereto; (ii) where the opposite ends of 2 enclosed spaces are separated by a gap, which is completely open except for bulwarks or open rails and of fore and aft length less than half the least breadth of the deck at the gap, then no part of the enclosed spaces shall be excluded, as specified in figures 5 and 6 of Schedule 2 hereto;(b) a space under an overhead deck covering open to the sea and weather, having no other connection on the exposed sides with the body of the ship than the stanchions necessary for its support. In such a space, open rails or a bulwark and curtain plate may be fitted or stanchions fitted at the ship's side, provided that the distance between the top of the rails or the bulwark and the curtain plate is not less than 0.75 metres or one-third of the height of the space, whichever is the greater, as specified in figure 7 of Schedule 2 hereto; (c) a space in a side-to-side erection between opposite side openings not less in height than 0.75 metres or one-third of the height of the erection, whichever is the greater. If the opening in such an erection is provided on one side only, the space to be excluded from the volume of enclosed spaces shall be limited inboard from the opening to a maximum of one half of the breadth of the deck in way of the opening, as specified in figure 8 of Schedule 2 hereto; (d) a space in an erection immediately below an uncovered opening in the deck overhead, provided that such an opening is exposed to the weather and the space excluded from enclosed spaces is limited to the area of the opening, as specified in figure 9 of Schedule 2 hereto; (e) a recess in the boundary bulkhead of an erection which is exposed to the weather and the opening of which extends from deck to deck without means of closing, provided that the interior width is not greater than the width at the entrance and its extension into the erection is not greater than twice the width of its entrance, as specified in figure 10 of Schedule 2 hereto; (f) notwithstanding the provisions of paragraphs (a) to (e) inclusive, any space listed in those paragraphs which fulfills at least one of the following conditions shall be treated as an enclosed space- (i) the space is fitted with shelves or other means for securing cargo or stores; (ii) the openings are fitted with any means of closure; (iii) the construction provides any possibility of such openings being closed;"existing ship" (现有船舶) means a ship which is not a new ship; "length" (长度) means the greater of the following distance- (a) the distance between the fore side of the stem and the axis of the rudder stock; or (b) a distance measure from the fore side of the stem, being 96 per cent of the distance between that point and the aft side of the stern,the said points and measurements being taken respectively at and along a waterline at 85 per cent of the least moulded depth of the ship. In the case of a ship having a rake of keel the waterline shall be parallel to the designed waterline;"Load Line Rules" (载重线规则) means the Load Line Rules for the time being in operation in Hong Kong and includes in relation to any ship not registered in Hong Kong any corresponding rules of the country in which the ship is registered; "moulded depth" (型深) means- (a) the vertical distance measured from the top of the keel to the underside of the upper deck at side. In wood and composite ships the distance is to be measured from the lower edge of the keel rabbet. Where the form at the lower part of the midship section is of a hollow character, or where thick garboards are fitted, the distance is to be measured from the point where the line of the flat of the bottom continued inwards cuts the side of the keel; (b) in ships having rounded gunwales, the moulded depth shall be measured to the point of intersection of the moulded lines of the deck and side shell plating, the lines extending as though the gunwales were of angular design; (c) where the upper deck is stepped and the raised part of the deck extends over the point at which the moulded depth is to be determined the moulded depth shall be measured to a line of reference extending from the lower part of the deck along a line parallel with the raised part; for the purposes of this definition- (i) "upper deck" (上甲板) means the uppermost complete deck exposed to weather and sea, which has permanent means of weathertight closing of all openings in the weather part thereof, and below which all openings in the sides of the ship are fitted with permanent means of watertight closing. In a ship having a stepped upper deck, the lowest line of the exposed deck and the continuation of that line parallel to the upper part of the deck is taken as the upper deck; and (ii) "weathertight" (风雨密) means that in any sea conditions water will not penetrate into the ship;"moulded draught" (型吃水) means- (a) for ships assigned load lines in accordance with the Load Line Rules, the draught corresponding to the Summer Load Line (other than timber load lines); (b) for passenger ships, the draught corresponding to the deepest subdivision load line assigned in accordance with the Merchant Shipping (Safety) (Passenger Ship Construction) (Ships Built Before 1 September 1984) Regulations (Cap 369 sub. leg.) or the Merchant Shipping (Safety) (Passenger Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations (Cap 369 sub. leg.) (as appropriate); (64 of 1999 s. 3) (c) for ships to which no load line has been assigned but the draught of which is restricted by the Director, the maximum permitted draught; (d) for other ships, 75 per cent of the moulded depth amidships as defined in this regulation;"new ship" (新船) means a ship the keel of which is laid, or which is at a similar stage of construction, on or after the coming into operation of these regulations; and for the purposes of this definition "a similar stage of construction" (相若建造阶段) means the stage at which- (a) construction identifiable with a specific ship begins; and (b) assembly of that ship has commenced comprising at least 50 tonnes or 1 per cent of the estimated mass of all structural material whichever is the less;"passenger" (乘客) means any person carried in a ship except- (a) a person employed or engaged in any capacity on board the ship on the business of the ship; (b) a person on board the ship either in pursuance of the obligation laid upon the master to carry shipwrecked distressed or other persons, or by reason of any circumstances that neither the master nor the owner nor the charterer (if any) could have prevented or forestalled; and (c) a child under one year of age;"oil tanker" (油轮) means a ship constructed or adapted to carry oil in bulk in its cargo spaces and includes combination carriers; for the purposes of this definition "combination carrier" (油类与散货两用船) means a ship designed to carry either oil or solid cargoes in bulk; "the Ordinance" (本条例) means the Merchant Shipping (Registration) Ordinance (Cap 415); (74 of 1990 Sch. 5) "pleasure vessel" (游乐船只) means a vessel primarily used for sport or recreation; "Registrar" (注册官) means the Registrar of Ships appointed under section 4 of the Ordinance. (74 of 1990 Sch. 5) "surveyor" (验船师) means a surveyor appointed by a Certifying Authority; "trawler" (拖网渔船) has the meaning assigned to it in section 91 of the Merchant Shipping Ordinance (Cap 281); "waters of Hong Kong" (香港水域) has the meaning assigned to it in the Interpretation and General Clauses Ordinance (Cap 1). Cap 415C reg 2A Certifying Authorities (1) The Director shall be a Certifying Authority for the purposes of these regulations. (2) The Director may authorize in writing any person or body to be a Certifying Authority for the purposes of these regulations. (3) Any person who or body which was immediately prior to the commencement* of this regulation authorized by the Director to be a Certifying Authority under regulation 2 shall on and from such commencement be deemed to be so authorized by the Director under this regulation. (74 of 1990 Sch. 5)_________________________________________________________________________________ Note: * 3 December 1990 Cap 415C reg 3 Application of Part II PART II APPLICATION, ASCERTAINMENT OF TONNAGE AND CERTIFICATION FOR NEW SHIPS AND CERTAIN EXISTING SHIPS OF 24 METRES IN LENGTH AND OVER (1) This Part of these regulations and Schedules 2, 3 and 4 hereto shall apply to the following ships registered or to be registered in Hong Kong, being ships of 24 metres in length or over- (74 of 1990 Sch. 5) (a) new ships; (b) existing ships to which regulation 13(1) of these regulations would otherwise apply but which undergo alterations or modifications which result in a substantial variation in their existing gross tonnage; (c) existing ships, if the owner so requests; (d) all ships with effect from 18 July 1994.(2) Existing ships the tonnage of which has once been determined under this Part of these regulations pursuant to a request of the owner under paragraph (1)(c) above shall not subsequently have their tonnages determined in accordance with Part IV of these regulations. Cap 415C reg 4 Method of tonnage measurement (1) The owner and the master of a ship to be measured shall make it available for measurement by a surveyor and afford all necessary facilities for its survey and measurement and shall produce such plans, drawings, specifications and other documents relating to the ship that the surveyor may require for his use or retention. (2) The gross and net tonnages shall be determined in accordance with regulations 6 and 7 of these regulations provided that in the case of novel types of craft with constructional features which render the application of the provisions of these regulations unreasonable or impracticable, the gross and net tonnages shall be determined as required by the Director. (3) All measurements used in the calculations of volumes shall be taken and expressed in metres to the nearest centimetre. (4) Gross and net tonnages shall be expressed as whole numbers, decimals being rounded off downwards. Cap 415C reg 5 Calculation of volumes (1) All volumes included in the calculation of gross and net tonnages shall be measured, irrespective of the fitting of insulation or the like, to the inner side of the shell or structural boundary plating in ships constructed of metal, and to the outer surface of the shell or to the inner side of the structural boundary surfaces in ships constructed of any other material. (2) Volumes of appendages shall be included in the total volume. (3) Volumes of spaces open to the sea shall be excluded from the total volume. (4) The method and accuracy of the calculations shall be to the satisfaction of the Director and shall be sufficiently detailed to facilitate checking. Cap 415C reg 6 Gross tonnage The gross tonnage (GT) of a ship shall be determined by the following formula: GT = K1 V where: V = total volume of all enclosed spaces of the ship in cubic metres K1 = 0.2 + 0.02 log10 V or as specified in Schedule 3. Cap 415C reg 7 Net tonnage The net tonnage (NT) of a ship shall be determined by the following formula: 4d N2NT = K2 Vc [_______]2 + K3 (N1 + _______) 3D 10where: Vc = total volume of cargo spaces in cubic metres K2 = 0.2 + 0.02 log10 Vc or as specified in Schedule 3 GT = 10000K3 = 1.25 ____________________ 10000where GT = gross tonnage calculated in accordance with regulation 6 D = moulded depth amidships in metres d = moulded draught amidships in metres N1 = number of passengers in cabins with not more than 8 berths N2 = number of other passengersProvided that: (a) the factor 4d[_____]2 3D shall not be taken as greater than unity;(b) the term 4d K2 Vc [______]2 3D shall not be taken as less than 0.25 GT;(c) N1 and N2 shall be taken as zero when N1 + N2 is less than 13; (d) NT shall not be taken as less than 0.30 GT. Cap 415C reg 8 Miscellaneous tonnages; segregated ballast oil tankers and deck cargoes (1) Where segregated ballast tanks complying with regulation 13 of Annex 1 of International Convention for the Prevention of Pollution from Ships, 1973 as modified by the Protocol of 1978 relating to that Convention are provided in oil tankers, an entry may be made on the International Tonnage Certificate (1969) indicating the total tonnage of these tanks. The tonnage of such segregated ballast tanks shall be calculated according to the following formula: K1 × Vb where: K1 = 0.2 + 0.02 log10 V or as specified in Schedule 3 V = the total volume of all enclosed spaces of the ship in cubic metres Vb = the total volume of segregated ballast tanks in cubic metres measured in accordance with regulation 5.(2) Where cargo is carried in any uncovered space on deck the tonnage of the space so occupied to be taken into account for the purposes of determining the dues payable where goods are carried in spaces not forming part of the gross or net tonnages, shall be determined by the formula: (74 of 1990 Sch. 5) Deck Cargo Tonnage = 0.353 (mean length x mean breadth x mean height). Cap 415C reg 9 Issue of certificates The Certifying Authority shall, upon receipt of the appropriate fee, issue to the owner of every ship registered in Hong Kong, the tonnages of which have been ascertained in accordance with regulations 6 and 7 of these regulations, an International Tonnage Certificate (1969) in the form set out in Schedule 4 to these regulations, certifying the tonnages of the ship and containing the following particulars- (a) the name, port of registry and official number of the ship; (b) its length, breadth and moulded depth; (c) its gross and net tonnages; (d) the date on which the keel was laid or the ship was at a similar stage of construction or date on which the ship underwent alterations or modifications of a major character. Cap 415C reg 10 Cancellation of certificates (1) Where alterations are made in the arrangement, construction, capacity, use of spaces, total number of passengers the ship is permitted to carry under the terms of the ship's passenger certificate, assigned load line, or permitted draught of the ship such as would cause an increase in the gross or net tonnage, the existing International Tonnage Certificate (1969) shall cease to be valid and shall be delivered up to and cancelled by the Certifying Authority. (2) When a ship is transferred from the Hong Kong Register the International Tonnage Certificate (1969) shall cease to be valid except when the transfer is to the Administration of a state which is a Contracting Government in which case the certificate may remain in force for a period not exceeding 3 months or until the new Administration issues another International Tonnage Certificate (1969) whichever is the earlier. The Certifying Authority shall transmit to the Administration of that Government as soon as possible after the transfer has taken place a copy of the certificate carried by the ship at the time of transfer and a copy of the relevant tonnage calculations. Cap 415C reg 11 Change of net tonnage necessitating issue of certificates (1) When alterations in the values of V, Vc, d, N1 or N2 as defined in regulations 6 and 7 result in an increase in the net tonnage a new International Tonnage Certificate (1969) incorporating the increased net tonnage shall be issued. (2) In the case of a passenger ship assigned subdivision load lines in accordance with the Merchant Shipping (Safety) (Passenger Ship Construction) (Ships Built Before 1 September 1984) Regulations (Cap 369 sub. leg.) or the Merchant Shipping (Safety) (Passenger Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations (Cap 369 sub. leg.) (as appropriate) and load lines in accordance with the Load Line Rules only one net tonnage shall be applied. Where the draught corresponding to the Summer Load Line differs from that corresponding to the deepest subdivision load line the net tonnage shall be the greater of the two values determined in accordance with regulation 7 by applying the differing draughts. (64 of 1999 s. 3) (3) (a) Subject to sub-paragraph (b) below, where alterations in the values of V, Vc, d, N1 or N2 as defined in regulations 6 and 7, or changes in the position of the load lines result in a decrease in the net tonnage, a new International Tonnage Certificate (1969) incorporating the decreased net tonnage shall not be issued until 12 months have elapsed from the date on which the current certificate was issued. (b) A new International Tonnage Certificate (1969) may be issued when- (i) a ship which was registered outside Hong Kong is re-registered in Hong Kong; (ii) a ship undergoes alterations or modifications of a major character, such as the removal of a superstructure, which requires an alteration of the assigned load line; or (iii) the ship is a passenger ship employed in special trades for the carriage of large numbers of special trade passengers, such as the pilgrim trade. Cap 415C reg 12 Application of Part III PART III APPLICATION, ASCERTAINMENT OF TONNAGE AND CERTIFICATION FOR ALL SHIPS, INCLUDING PLEASURE VESSELS AND TRAWLERS, OF LESS THAN 24 METRES IN LENGTH (1) This Part of these regulations shall apply to all ships of less than 24 metres in length, including pleasure vessels and trawlers to be registered in Hong Kong. (74 of 1990 Sch. 5) (2) Ships, pleasure vessels and trawlers to which this Part of these regulations applies shall have their tonnages ascertained in accordance with the provisions set out in Schedule 5 and Appendices 1 to 5 thereto. Cap 415C reg 13 Application of Part IV PART IV APPLICATION, ASCERTAINMENT OF TONNAGE AND CERTIFICATION FOR EXISTING SHIPS, OF 24 METRES IN LENGTH AND OVER UNTIL 17 JULY 1994 (1) This Part of these regulations shall apply to existing ships of 24 metres and over registered or to be registered in Hong Kong. (2) This Part of these regulations shall not apply to existing ships referred to in regulation 3(1)(b) and (c) of these regulations. (3) Ships to which this Part of these regulations applies shall, until 17 July 1994, have their tonnages ascertained in accordance with the provisions set out in Schedule 5 and Appendices 1 to 4 thereto. Cap 415C reg 14 Acceptance of foreign tonnage certificates Remarks: Adaptation amendments retroactively made - see 23 of 1998 s. 2 PART V FOREIGN SHIP WHILST WITHIN THE WATERS OF HONG KONG (1) An International Tonnage Certificate (1969) issued under the authority of another Contracting Government to a ship not registered in Hong Kong in accordance with the Convention shall be accepted and regarded for all purposes covered by the Convention as having the same validity as one issued under Part II of these regulations. Whilst such a ship is within the waters of Hong Kong it may be subject to inspection by a person duly authorized by the Director in that behalf for the purpose of verifying- (23 of 1998 s. 2) (a) that the ship is provided with a valid International Tonnage Certificate (1969); and (b) that the main characteristics of ship correspond to the data given in the certificate.(2) Any such inspection shall not cause any delay to the ship. (3) If the inspection reveals that the main characteristics of the ship differ from those entered in the International Tonnage Certificate (1969) so as to lead to an increase in the gross tonnage or the net tonnage, the Administration of the State whose flag the ship is flying shall be informed without delay. Cap 415C reg 15 Ascertainment of tonnage and certification Remarks: Adaptation amendments retroactively made - see 23 of 1998 s. 2 (1) New Ships- (a) The Certifying Authority may, at the request of the Administration of a Contracting Government, ascertain the gross and net tonnages of a new ship in accordance with Part II of these regulations and issue to the owner an International Tonnage Certificate (1969). In such cases the certificate shall be endorsed to the effect that it has been issued at the request of the Government of the state whose flag the ship is or will be flying, and a copy of the certificate and the calculations of the tonnages shall be transmitted to the requesting Government as soon as possible. (b) The Certifying Authority may, at the request of an owner of a new ship flying the flag of an Administration of a non Contracting Government ascertain in gross and net tonnages of the ship in accordance with Part II of these regulations and issue a Certificate of Hong Kong Tonnage Measurement. In such cases the certificate will bear the endorsement "for use only whilst within the waters of Hong Kong".(2) Existing Ships- (a) The Certifying Authority may, at the request of the Administration of a Contracting Government, ascertain the gross and net tonnages of an existing ship in accordance with Part II of these regulations and issue to the owner an International Tonnage Certificate (1969). In such cases the certificate shall be endorsed to the effect that it has been issued at the request of the Government of the state whose flag the ship is or will be flying, and a copy of the certificate and the calculations of the tonnages shall be transmitted to the requesting Government as soon as possible. (b) The Certifying Authority may, at the request of the owner of any existing ship, ascertain the gross and net tonnages of the ship in accordance with Part IV of these regulations until 17 July 1994. In such cases a Hong Kong Tonnage Certificate shall be issued. (74 of 1990 Sch. 5; 23 of 1998 s. 2) Cap 415C reg 16 Application of Part VI PART VI INTERIM SCHEME FOR TONNAGE MEASUREMENT FOR CERTAIN SHIPS (1) The Director may, at the written request of an owner of a Hong Kong ship required to be measured and certified in accordance with Part II of these regulations- (a) which is a ship the keel of which is laid or is at a similar stage of construction not later than 31 December 1985; or (b) which is a cargo ship of less than 1600 tons gross tonnage as ascertained in accordance with regulation 13(3) of these regulations, the keel of which is laid or is at a similar stage of construction before 18 July 1994,permit such a ship to have, additionally, its gross tonnage ascertained by the Certifying Authority in accordance with the provisions set out in Schedule 5 and Appendices 1 to 4 thereto, and to use this tonnage for the purpose of the application of the provisions of regulations implementing the International Convention for the Safety of Life at Sea 1974 and the Protocol of 1978 relating to that Convention. (2) The measurement of a ship in accordance with paragraph (1) above shall be in respect of gross tonnage only and an appropriate Tonnage Certificate shall be issued and it shall be endorsed with the following endorsement- (74 of 1990 Sch. 5) "For use only for the application of the Interim Scheme for Tonnage Measurement for Certain Ships (IMO Resolution A494(XII))".(3) Where the gross tonnage is ascertained in accordance with paragraph (1) above and a Safety of Life at Sea convention certificate is subsequently issued, then only that tonnage shall be recorded in that certificate and the certificate shall be endorsed with the following endorsement- "The above gross tonnage has been measured by the Certifying Authority of Hong Kong in accordance with the tonnage regulations which were in force prior to the coming into force of the International Convention on Tonnage Measurement of Ships 1969". Cap 415C reg 17 Failure to deliver up certificate PART VII MISCELLANEOUS Any owner or master who fails without reasonable cause to deliver up a certificate for cancellation as required by regulation 10(1) or paragraph 5(3) of Schedule 5 hereto commits an offence and is liable to a fine of $5000. (74 of 1990 Sch. 5) Cap 415C reg 18 Illegal carriage of goods or stores If goods or stores are carried in a permanently closed in space on board ship in contravention of paragraph 17(3) of Schedule 5 hereto the master and the owner of the ship commit an offence and are each liable to a fine of $5000. (74 of 1990 Sch. 5) Cap 415C reg 19 Validation of existing certificates Any International Tonnage certificate issued in respect of a ship for registration in Hong Kong in accordance with the provisions of the Convention under the authority of the Government of Hong Kong prior to the coming into operation of then regulations shall be accepted and regarded for all purposes as having the same validity as one issued under Part II of these regulations. Cap 415C Sched 1 (Repealed 74 of 1990 Sch. 5) Cap 415C Sched 2 EXCLUDED SPACES AS DEFINED IN REGULATION 2 [regulation 2] In the following figures: O = excluded space C = enclosed space I = space to be considered as an enclosed space Hatched in parts to be included as enclosed spaces. B = breadth of the deck in way of the opening. In ships with rounded gunwales the breadth is measured as indicated in Figure 11. Cap 415C Sched 3 [regulations 6, 7 & 8] COEFFICIENTS K1 AND K2 REFERRED TO IN REGULATIONS 6, 7 AND 8 V or Vc = Volume in cubic metres V or Vc K1 or K2 V or Vc K1 or K2 V or Vc K1 or K2 V or Vc K1 or K2 10 0.2200 45000 0.2931 330000 0.3104 670000 0.3165 20 0.2260 50000 0.2940 340000 0.3106 680000 0.3166 30 0.2295 55000 0.2948 350000 0.3109 690000 0.3168 40 0.2320 60000 0.2956 360000 0.3111 700000 0.3169 50 0.2340 65000 0.2963 370000 0.3114 710000 0.3170 60 0.2356 70000 0.2969 380000 0.3116 720000 0.3171 70 0.2369 75000 0.2975 390000 0.3118 730000 0.3173 80 0.2381 80000 0.2981 400000 0.3120 740000 0.3174 90 0.2391 85000 0.2986 410000 0.3123 750000 0.3175 100 0.2400 90000 0.2991 420000 0.3125 760000 0.3176 200 0.2460 95000 0.2996 430000 0.3127 770000 0.3177 300 0.2495 100000 0.3000 440000 0.3129 780000 0.3178 400 0.2520 110000 0.3008 450000 0.3131 790000 0.3180 500 0.2540 120000 0.3016 460000 0.3133 800000 0.3181 600 0.2556 130000 0.3023 470000 0.3134 810000 0.3182 700 0.2569 140000 0.3029 480000 0.3136 820000 0.3183 800 0.2581 150000 0.3035 490000 0.3138 830000 0.3184 900 0.2591 160000 0.3041 500000 0.3140 840000 0.3185 1000 0.2600 170000 0.3046 510000 0.3142 850000 0.3186 2000 0.2660 180000 0.3051 520000 0.3143 860000 0.3187 3000 0.2695 190000 0.3056 530000 0.3145 870000 0.3188 4000 0.2720 200000 0.3060 540000 0.3146 880000 0.3189 5000 0.2740 210000 0.3064 550000 0.3148 890000 0.3190 6000 0.2756 220000 0.3061 560000 0.3150 900000 0.3191 7000 0.2769 230000 0.3072 570000 0.3151 910000 0.3192 8000 0.2781 240000 0.3076 580000 0.3153 920000 0.3193 9000 0.2791 250000 0.3080 590000 0.3154 930000 0.3194 10000 0.2800 260000 0.3083 600000 0.3156 940000 0.3195 15000 0.2835 270000 0.3086 610000 0.3157 950000 0.3196 20000 0.2860 280000 0.3089 620000 0.3158 960000 0.3196 25000 0.2880 290000 0.3092 630000 0.3160 970000 0.3197 30000 0.2895 300000 0.3095 640000 0.3161 980000 0.3198 35000 0.2909 310000 0.3098 650000 0.3163 990000 0.3199 40000 0.2920 320000 0.3101 660000 0.3164 1000000 0.3200 Coefficients K1 or K2 at intermediate values of V or Vc shall be obtained by linear interpolation. Cap 415C Sched 4 INTERNATIONAL TONNAGE CERTIFICATE (1969) [regulation 9] Issued under the provisions of the INTERNATIONAL CONVENTION ON TONNAGE MEASUREMENT OF SHIPS (1969) under the authority of the Government of Hong Kong Name of Ship Official Number Port of Registry Date* *Date on which keel was laid or the ship was at a similar stage of construction, (Article 2(6)) or date on which the ship underwent alterations or modifications of a major character, (Article 3(2)(b)), as appropriate. MAIN DIMENSIONS Length (Article 2(8)) Breadth (Regulation 2(3)) Moulded Depth amidships to Upper Deck (Regulation 2(2)) The tonnages of the Ship are: GROSS TONNAGE ............................................................................................................ NET TONNAGE ................................................................................................................. THIS IS TO CERTIFY that the tonnages of this ship have been determined in accordance with the provisions of the International Convention on Tonnage Measurement of Ships 1969. Issued at ................................................ (place of issue of certificate) ........................ 19 ........(date of issue) The undersigned declares that he is duly authorized by the said Government to issue this certificate (signed) ..........................................................................An officer authorized by the Director of Marine (Reverse side of Certificate) SPACES INCLUDED IN TONNAGE GROSS TONNAGE NET TONNAGE Name of Space Location Length Name of Space Location Length Underdeck - - NUMBER OF PASSENGERS (Regulation 4(1)) Number of passengers in cabins with not more than 8 berths ......................... Number of other passengers ....................... EXCLUDED SPACES (Regulation 2(5)) An asterisk(*) should be added to those spaces listed above which comprise both enclosed and excluded spaces. MOULDED DRAUGHT (Regulation 4(2)) Date and place of original measurement ................................. Date and place of last previous re-measurement ......................... REMARKS: Cap 415C Sched 5 TONNAGE REGULATIONS APPLICABLE TO SHIPS REFERRED TO IN PARTS III, IV, V AND VI [regulations 12, 13, 16, 17 & 18] Definitions In addition to the definitions prescribed in regulation 2, in this Schedule and Appendices 1 to 5 inclusive, unless the context otherwise requires- "crew accommodation" (船员舱房) includes sleeping rooms, mess rooms, sanitary accommodation, hospital accommodation, recreation accommodation, store rooms and catering accommodation provided for the use of the crew but does not include any accommodation which is also used by or provided for the use of passengers; (74 of 1990 Sch. 5) "dry cargo space" (干货舱) means space appropriated for the carriage of cargo other than liquid or gaseous matter in bulk; "overall length" (整体长度) in relation to a pleasure vessel to which Part IV of this Schedule applies means the distance between the foreside of the foremost fixed permanent structure and the aftside of the aftermost fixed permanent structure of the vessel; "propelling machinery space" (推进机械舱) means space below the upper deck appropriated for the main or auxiliary propelling machinery of a ship, and includes- (a) ventilation, light or escape trunks serving any such space; (b) space appropriated for boilers serving such machinery; (c) shaft tunnels; (d) engineers' storerooms and workshops not exceeding in total tonnage 3/4 of 1 per cent of the gross tonnage of the ship; (e) oil fuel settling tanks serving the main or auxiliary propelling machinery, having a total capacity sufficient to provide not less than 24 or more than 96 hours steaming for the ship at maximum speed,and shall also include framed-in spaces on or above the upper deck described in paragraph 4(1)(e) and included in the gross tonnage of the ship in accordance with that provision;"second deck" (第二层甲板) means the deck next below the upper deck, being a deck- (a) which is fitted as an integral part of the ship's structure; (b) which is continuous at least between peak bulkheads both fore and aft and transversely; and (c) in which all hatchways are fitted with substantial and durable covers,a deck being taken to be continuous for this purpose notwithstanding the presence in it of- (i) openings serving propelling machinery space or leading to ladder-ways or stairways; (ii) hatch or ventilation trunks, provided that they do not extend fore and aft from one main transverse bulkhead to another; (iii) chain locker or cofferdams; or (iv) a break or breaks the aggregate height of which above the line of continuation of the deck does not exceed 4 feet;"surveyor" (验船师) (except in proviso (i) to paragraph 10 of this Schedule) means a surveyor appointed by a Certifying Authority; "tonnage deck" (量吨甲板) means the second deck except in the case of single deck ships, in which case it means the upper deck; "upper deck" (上甲板) means the uppermost complete deck exposed to sea and weather fitted as an integral part of the ship's structure, being a deck all openings in the weather portions of which are fitted with permanent means of closing and below which all openings in the sides of the ship are fitted with permanent means of watertight closing, but shall in the case of an open ship be taken to be the upper edge of the upper strake of the gunwale. PART I 1. Ascertainment of tonnage The tonnage of any ship to which Parts III and IV of these regulations and this Schedule applies and which is to be registered in Hong Kong shall be ascertained in accordance with this Schedule: Provided that in the case of novel types of craft with constructional features which render the application of the provisions of this Schedule unreasonable or impracticable, the tonnage shall be determined as required by the Director. (74 of 1990 Sch. 5) 2. Method of measurement (1) The owner and the master of a ship to be measured shall upon payment of the appropriate fee make it available for measurement by a surveyor and afford all necessary facilities for its inspection and measurement and shall produce for the surveyor's use and retention if required such plans, drawings, specifications and other documents relating to the ship as he may require. (2) Subject to sub-paragraph (3) of this paragraph, the tonnage of a ship shall be measured in the manner specified in Rule I of Appendix 1 and in Appendix 2 to this Schedule. (3) In any case in which the surveyor is satisfied that by reason of the ship's being laden or otherwise measurement of the tonnage of the ship below the upper deck in accordance with sub-paragraph (2) of this paragraph is not reasonably practicable, such tonnage shall be measured in the manner specified in Rule II of Appendix 1 and in the case of a ship so measured the provisions of paragraphs 12 and 13 shall not apply. (4) The Certifying Authority may on the application of the owner of any ship the tonnage of which below the upper deck has been measured in accordance with sub-paragraph (3) direct such tonnage to be measured in accordance with sub-paragraph (2) and furnish the particulars of such measurement to the Registrar who shall alter the particulars relating to the registered tonnage of the ship accordingly. (74 of 1990 Sch. 5) (5) All measurements required by this Schedule shall be taken and expressed in feet and fractions of a foot, and such fractions shall be expressed in decimals. (6) Tonnage in relation to any ship or space in a ship shall be measured in terms of cubic capacity, 100 cubic feet representing one ton. 3. Certificates of Hong Kong tonnage (1) The Certifying Authority shall issue to the owner of every ship registered in Hong Kong, the tonnage of which has been ascertained in accordance with this Schedule, a certificate of Hong Kong tonnage certifying the registered tonnage of the ship and containing the following particulars- (a) the name, port of registry and official number of the ship; (b) its registered dimensions; (c) its gross tonnage and the tonnage of each of the components thereof specified in paragraph 4(1); (d) its register tonnage and the deductions and allowances made pursuant to paragraphs 10 and 11 respectively in ascertaining that tonnage; (e) in the case of a ship to which gross and register tonnages have been assigned in accordance with paragraph 12 or to which alternative tonnages have been assigned in accordance with paragraph 13, particulars of the spaces the tonnage of which has been excluded by virtue of the provisions of paragraph 12 or paragraph 13, as the case may be, in ascertaining such tonnages; (f) the position in which any tonnage mark assigned to the ship is to be placed.(2) The gross and register tonnages as stated in that certificate shall, unless any alteration is made in the form or capacity of the ship or it is discovered that the tonnage of the ship has been erroneously computed, be taken for that purpose to be the gross and register tonnages of the ship. (3) On remeasurement of a ship any certificate of Hong Kong tonnage in force in relation to that ship shall be delivered up to the Certifying Authority and the Certifying Authority shall issue a new certificate in place thereof. (74 of 1990 Sch. 5) PART II A. GROSS TONNAGE 4. Components of gross tonnage (1) Subject to the provisions of Part III of this Schedule, the gross tonnage of a ship shall be the sum of- (a) the underdeck tonnage of the ship ascertained in accordance with the provisions of paragraph 5 and paragraph 1 of Rule I of Appendix 1 to this Schedule; (b) the tonnage of between deck space between the second deck and the upper deck ascertained in accordance with the provisions of paragraph 2 of the said Rule I; (c) the tonnage of permanently closed-in spaces on or above the upper deck including that of breaks situated above in line of the deck but excluding- (i) the tonnage of hatchways described in paragraph 6; (ii) the tonnage of framed-in spaces on or above the upper deck which contain any part of the propelling machinery or which light or ventilate space appropriated for such machinery; (iii) any space excluded by virtue of the provisions of paragraph 7, ascertained in accordance with the provisions of paragraphs 3, 4 and 5 of the said Rule I;(d) the tonnage of hatchways described in paragraph 6, ascertained in accordance with the provisions of that paragraph and paragraph 5 of the said Rule I; (e) the tonnage of framed-in spaces on or above the upper deck which contain any part of the propelling machinery or which light or ventilate space appropriated for such machinery, ascertained in accordance with the provisions of paragraph 5 of the said Rule I, subject to the conditions that- (i) the owner of the ship has made written application to the Certifying Authority for the inclusion of such spaces in the propelling machinery space of the ship; (ii) the are permanently marked by a notice stating their purpose; and (iii) they are certified by a surveyor as safe and seaworthy and properly constructed for their purpose, as reasonable in extent for that purpose, and as being such that they cannot be used for any other purpose.(2) In the case of a ship the tonnage of which below the upper deck has been measured in accordance with Rule II of Appendix 1, that tonnage shall be included instead of the tonnages specified at (a) and (b) in sub-paragraph (1). (3) For the purpose of this Schedule and Appendices 1 to 5 the expression "permanently closed-in spaces on or above the upper deck" (上甲板或以上的永久封闭舱位) shall include- (a) a poop, bridge or forecastle notwithstanding the presence of an opening in the end transverse bulkhead thereof, unless the opening extends from deck to deck for one half or more of the breadth of the deck in way of the bulkhead; (b) a deck house notwithstanding the presence of an opening in one of the boundary bulkheads thereof exposed to the weather, unless the opening extends from deck to deck for one half or more of the length of the bulkhead in which it is situated and is 4 feet wide or more; (c) a structure extending from side to side of the ship notwithstanding the presence in it of an opening in the ship's side, unless the opening extends for one half or more of the length of the space which it serves and exceeds in height one third of the distance from deck to deck in way of the opening or 2 feet 6 inches, whichever is the greater; (d) a passage way at the ship's side, unless it is 4 feet wide or more and is completely open to the weather at one end, or both ends, of its length; (e) a recess, unless it extends from deck to deck for 3 feet or more of its width and is exposed to the weather; and (f) any space having an opening in the deck over being a deck exposed to the weather, unless the area of the opening is one quarter or more of the deck area over the space. 5. Underdeck tonnage The underdeck tonnage of a ship shall be the sum of- (a) the tonnage of the space below the tonnage deck bounded by- (i) the tonnage deck; (ii) the upper surface of the double bottom tanks, open floors or ceiling as the case may be; and (iii) the inner face of the timbers, frames or sparring as the case may be, measured in accordance with the provisions of paragraph 1 of Rule I of Appendix 1 to this Schedule, but subject to such limitations specified in Appendix 2 as may be applicable in the circumstances of the case, and excluding the tonnage of breaks above the line of the tonnage deck; and(b) the tonnage of shaft bossings and any other appendages forming part of the hull of the ship below the tonnage deck whether or not they project beyond the extreme points of measurement of that deck. 6. Tonnage of hatchways The tonnage of all hatchways leading to space included in the gross tonnage of the ship other than internal hatchways totally enclosed within such space shall be measured in accordance with paragraph 5 of Rule I of Appendix 1 to this Schedule and from the aggregate thereof there shall be deducted 1/2 of 1 per cent of the ship's gross tonnage excluding such aggregate. The remainder (if any) shall be the tonnage of hatchways, customarily referred to as "excess of hatchways" (舱口超额吨位), to be included in the gross tonnage of the ship. 7. Closed-in spaces on or above the upper deck not to be included in gross tonnage Permanently closed-in spaces of the following kinds situated on or above the upper deck shall not be included in the gross tonnage of the ship- (a) dry cargo space, unless situated in a break above the line of the upper deck; (b) space fitted with and appropriated for the use of machinery or condensers; (c) the wheelhouse and chartroom, and space fitted with and appropriated for the use of radio and navigational aids; (d) skylights, domes and trunks which light or ventilate the space they serve; (e) chain lockers, and space appropriated for working the anchor gear and capstan; (f) space appropriated for the storage of safety equipment or batteries; (g) companions and access hatches serving as protection for stairways or ladderways leading to space below, and openings over such stairways and ladderways; (h) the galley, and any separate bakery fitted with ovens, provided in either case that no part thereof is appropriated for use for any other purpose; (i) washing and sanitary accommodation forming part of the crew accommodation or appropriated for the use of the master; (j) workshops and storerooms appropriated for the use of pumpmen, engineers, electricians, carpenters and boatswains, and the lamp-room; (k) water ballast tanks not appropriated for use for any other purpose; (l) shelter space providing weather protection only for use, free of charge, by deck passengers in ships intended for use only on voyages not exceeding 10 hours duration; (m) sheltered promenade space, glassed in and unfurnished except for deckchairs or similar light portable seating, in ships intended for use on international voyages:Provided that this paragraph shall not apply in any case other than that specified at sub-paragraph (a) unless the space is certified by a surveyor as being reasonable in extent, and properly constructed, for its purpose and is permanently marked by a notice stating that purpose. 8. Application (1) Sub-paragraph (2) of this paragraph applies- (a) to ships registered in Hong Kong before 1 March 1968 the tonnage of which is to be measured under this Schedule; and (b) to ships previously registered elsewhere than in Hong Kong which are to be so registered; and (c) to ships registered elsewhere than in Hong Kong in respect of which application is made for a certificate of Hong Kong tonnage pursuant to paragraph 3(2). (74 of 1990 Sch. 5)(2) Without prejudice to the provisions of paragraph 7, space situated on or above the upper deck of a ship to which this paragraph applies, being space- (a) which, in the case of a ship described in sub-paragraph (1)(a), was by virtue of openings in it not included in the gross tonnage of the ship under the law in force immediately prior to 1 March 1968; or (b) which, in the case of a ship described in sub-paragraph (1)(b) or (c), was by virtue of there being or having been openings in it not included in the gross tonnage of the ship specified in the national certificate of registry in force in respect of the ship immediately prior to her registry in Hong Kong, or the said application as the case may be,shall not be included in the gross tonnage of the ship irrespective of whether such openings have been closed or not, if- (i) there has been no change since the date on which the tonnage of the ship was last measured in the purpose for which the space is used; and (ii) in the case of a ship described in sub-paragraph (1)(b) or (c), the space is such that it would not, had the ship been registered in Hong Kong prior to 1 March 1968 with the openings unclosed, have been included in her gross tonnage. B. REGISTER TONNAGE 9. Ascertainment of register tonnage Subject to the provisions of Part III of this Schedule, the register tonnage of a ship shall be the tonnage obtained by deducting from its gross tonnage- (a) the tonnage of spaces specified in paragraph 10; and (b) the tonnage allowance for propelling machinery space described in paragraph 11:Provided that- (i) the deduction shall in each case be subject to any condition, limit or restriction expressed to be applicable in that case; and (ii) no deduction shall be made of or in respect of the tonnage of any space which has not first been included in the ship's gross tonnage. 10. Space to be deducted The spaces referred to in paragraph 9(a) are- (a) space appropriated for the accommodation of the master; (b) crew accommodation, except space appropriated for the storage of fresh water and space appropriated for the storage of provisions (other than fresh water), being in the latter case space in excess of 15 per cent of the aggregate of- (i) space appropriated for the accommodation of the master; and (ii) crew accommodation other than space appropriated for the storage of provisions and fresh water;(c) the wheelhouse and chartroom, and space fitted with and appropriated for the use of radio and navigational aids; (d) chain lockers and space appropriated for, or for the working of, the steering gear, anchor gear and capstan; (e) space appropriated for the storage of safety equipment or batteries; (f) workshops and storerooms appropriated for the use of pumpmen, electricians, carpenters and boatswains, and the lamp-room; (g) space occupied by the donkey engine and boiler if they are outside the propelling machinery space and connected to the main pumps of the ship; (h) space occupied by the main pumps of the ship if they are outside the propelling machinery space; (i) in the case of ships wholly propelled by sails, space appropriated for the storage of sails, so however that the total tonnage of such space does not exceed 2 1/2 per cent of the ship's gross tonnage; and (j) water ballast tanks not appropriated for use for any other purpose, so however that the total tonnage so to be deducted, when added to the tonnage of spaces appropriated for water ballast not included in the gross tonnage of the ship consisting of double bottom space, space below bottom floor level or space above the upper deck, does not exceed 19 per cent of the ship's gross tonnage:Provided that no deductions shall be made- (i) in respect of any space specified in sub-paragraph (b) unless it is certified by a Marine Department surveyor as complying with all applicable provisions as to crew accommodation contained in the relevant legislation; and (74 of 1990 Sch. 5) (ii) in respect of any space specified in sub-paragraphs (a) or (c) to (j) unless it is certified by a surveyor to be reasonable in extent, and properly constructed, for its purpose and is permanently marked by a notice stating that purpose. 11. Allowance for propelling machinery space The tonnage allowance for propelling machinery space to be deducted pursuant to paragraph 9(b) shall be determined as follows- (a) in the case of ships propelled by screws- (i) if the tonnage of the propelling machinery space is 13 per cent or over but less than 20 per cent of the gross tonnage the allowance shall be 32 per cent of the gross tonnage; (ii) if the tonnage of the propelling machinery space is less than 13 per cent of the gross tonnage the allowance shall be that lesser percentage of the gross tonnage multiplied by 32/13;(b) in the case of ships propelled by paddle wheels- (i) if the tonnage of the propelling machinery space is 20 per cent or over but less than 30 per cent of the gross tonnage the allowance shall be 37 per cent of the gross tonnage; (ii) if the tonnage of the propelling machinery space is less than 20 per cent of the gross tonnage the allowance shall be that lesser percentage of the gross tonnage multiplied by 37/20;(c) in the case of ships to which sub-paragraphs (a) and (b) do not apply, the allowance shall be- (i) in the case of ships propelled by screws, 1 3/4 times the tonnage of the propelling machinery space; (ii) in the case of ships propelled by paddle wheels, 1 1/2 times the tonnage of the propelling machinery space:Provided that- (i) in no case save that of tugs intended to be used exclusively as such shall the allowance exceed 55 per cent of that portion of the tonnage of the ship which remains after deducting from its gross tonnage the deductions authorized by paragraph 9(a); and (ii) such deductions shall be subject to the propelling machinery space and space appropriated for its lighting and ventilation being certified as adequate by a surveyor and being permanently marked by notices stating their purpose. PART III MODIFIED AND ALTERNATIVE TONNAGES AND TONNAGE MARKS 12. Modified gross and register tonnage of ships with certain freeboards (1) This paragraph shall apply to a ship in respect of which greater than minimum freeboards have been assigned under the Load Line Rules and the positions of the load lines- (a) are not higher than would have been the case if the freeboards assigned to the ship and the position of the load lines appropriate thereto had been calculated treating the second deck as the freeboard deck; or (b) are such that the uppermost load line is not higher than the position of the tonnage mark determined in accordance with Appendix 4 to this Schedule.(2) The Certifying Authority may, on the application of the owner of a ship to which this paragraph applies, assign to the ship as its gross tonnage and register tonnage a modified gross tonnage and modified register tonnage ascertained in accordance with sub-paragraph (3) of this paragraph instead of the gross tonnage and register tonnage ascertained in accordance with Part II of this Schedule. (3) The modified gross tonnage and modified register tonnage so to be assigned shall be ascertained in accordance with Part II of this Schedule subject to the following modifications- (a) for references to the upper deck in- paragraph 4(1)(c) and (e), and (3); paragraph 7; paragraph 8(2); paragraph 10(j); the definition of "propelling machinery space" in the definitions at the beginning of this Schedule and Appendix 1, paragraphs 3, 5 and 6, there shall be substituted references to the second deck; and(b) paragraph 4(1)(b) and paragraph 2 of Rule I of Appendix 1 shall be omitted.(4) Where such tonnages have been assigned to a ship there shall be placed on each side of the ship a tonnage mark in the form described in Appendix 3 to this Schedule, in a position in line with the uppermost load line to which the ship may be loaded but, subject to the foregoing, in a position determined in accordance with Appendix 4. 13. Alternative tonnages (1) The Certifying Authority may, on the application of the owner of a ship, assign to the ship, as an alternative to its gross tonnage and register tonnage ascertained in accordance with Part II of this Schedule, the modified gross tonnage and modified register tonnage ascertained in accordance with the provisions of sub-paragraph (3) of paragraph 12. (2) Where alternative tonnages have been assigned to a ship there shall be placed on each side of that ship a tonnage mark in the form described in Appendix 3 to this Schedule in a position determined in accordance with the provisions of Appendix 4. (3) The gross tonnage and register tonnage of the ship shall be taken to be respectively the modified gross tonnage and modified register tonnage when the ship is so loaded that the tonnage mark is not submerged. At all other times the gross and register tonnages of the ship shall be those ascertained in accordance with Part II of this Schedule. PART IV PLEASURE VESSELS UNDER 45 FEET IN LENGTH 14. (1) This Part of this Schedule applies only in relation to pleasure vessels under 45 feet (13.7 metres) in overall length which either- (a) are to be registered in Hong Kong on or after the coming into operation of these regulations; or (b) being so registered before that date fall to be re-measured thereafter pursuant to section 13 of the Ordinance.(2) Parts I to III of this Schedule shall not apply in relation to pleasure vessels to which this Part of this Schedule applies. (74 of 1990 Sch. 5) 15. The tonnage of a pleasure vessel to which this Part of this Schedule applies shall be ascertained in accordance with paragraph 16 and the tonnage so ascertained shall be taken to be its gross and register tonnage. 16. (1) The owner of such a pleasure vessel to be measured shall make it available for measurement pursuant to section 14 of the Ordinance by a surveyor appointed by the Certifying Authority or a measurer appointed by any organization authorized by the Director to appoint persons to undertake the measurement of pleasure vessels to which this Part of this Schedule applies and shall afford all necessary facilities for its inspection and measurement and shall produce for the surveyor's or measurer's use and retention if required such plans, drawings, specifications and other documents relating to the pleasure vessel as he may require. (64 of 1999 s. 3) (2) The tonnage of a pleasure vessel to which this Part of this Schedule applies shall be measured in the manner specified in Appendix 5 to this Schedule. (74 of 1990 Sch. 5) PART V SPACE TO BE TAKEN INTO ACCOUNT FOR THE PURPOSES OF DETERMINING THE DUES PAYABLE ON GOODS CARRIED IN SPACES NOT FORMING PART OF THE REGISTERED TONNAGE 17. (1) Space to be taken into account for the purpose of determining the dues payable where goods are carried in spaces not forming part of the registered tonnage shall, subject to sub-paragraph (2) of this paragraph, be ascertained in accordance with the provisions of paragraph 5 of Rule I of Appendix 1 to this Schedule. (2) Where- (a) a ship has been assigned alternative tonnages in pursuance of paragraph 13; and (b) the tonnages applicable to the ship are the modified tonnages ascertained in accordance with paragraph 12(3),no account shall be taken for the purpose referred to in sub-paragraph (1) of any space, which is included in the register tonnage ascertained in accordance with Part II of this Schedule but which is not included in the modified register tonnage to the extent that the tonnage of such space exceeds the difference between those register tonnages. (3) Goods or stores shall not be carried in any permanently closed-in space on board the ship which has not been included in the registered tonnage of the ship other than- (a) dry cargo spaces; (b) workshops or storeroom appropriated for the use of pumpmen, engineers, electricians, carpenters and boatswains; (c) the lamp-room; or (d) double bottom tanks. (74 of 1990 Sch. 5) APPENDIX 1 TO SCHEDULE 5 MEASUREMENT OF TONNAGE RULE I Paragraph 2 of Schedule 5 1. Underdeck tonnage (1) The length of the tonnage deck shall be measured in a straight line in a middle plane of the ship between the points at the forward and after ends of the deck where the underside of the deck, or the line of continuation thereof in way of breaks or discontinuations of the deck, meets the inner face of the frames, timbers, ceiling or sparring as the case may be. Such length so measured is hereafter referred to in this Appendix and in Appendix 2 to this Schedule as the "tonnage length". (2) In ships which have a break, or breaks, in a double bottom the tonnage length shall be measured in parts corresponding to the number and position of such break or breaks. (3) The tonnage length, or the length of each of the several parts thereof obtained in accordance with sub-paragraph (2), shall be divided into equal parts as shown in the following table- length 50 feet or under, into 4 equal parts; length above 50 feet but not exceeding 120 feet, into 6 equal parts; length above 120 feet but not exceeding 180 feet, into 8 equal parts; length above 180 feet but not exceeding 225 feet, into 10 equal parts; length above 225 feet, into 12 equal parts: Provided that the length of any of the several parts obtained in accordance with sub-paragraph (2) may be divided into 2 equal parts if such length is 30 feet or under. (4) The transverse area of the ship at each point of division of the tonnage length, or of parts of that length as aforesaid, shall be calculated as follows- (a) The depth in the middle plane of the ship from the underside of the tonnage deck to the top of the open floor or double bottom as the case may be shall be measured, deducting therefrom the average thickness of ceiling, if fitted, and one-third the round of beam. If the top of the double bottom falls from the middle plane of the ship, there shall be added to the depth the mean of the fall; if the top of the double bottom rises from the middle plane, a corresponding correction shall be deducted from the depth. In ships of wooden construction the lower terminal point of the depth shall be the upper side of the floor timber at the inside of the limber strake, after deducting therefrom the average thickness of ceiling between the bilge planks and the limber strake.(b) If the depth so obtained does not exceed 16 feet at the amidship division of the total tonnage length, the depth at each point of division of the tonnage length, or of parts of that length as aforesaid, shall be divided into 4 equal parts; depths in excess of 16 feet shall be divided into 6 equal parts. (c) At the point of division between each of the parts obtained in accordance with sub-paragraph (b) the horizontal breadths to the inner face of the timber, frame or sparring as the case may be shall be measured. Numbering these breadths from the tonnage deck, the even numbered breadths shall be multiplied by 4 and the others, with the exception of the first and last, by 2; these products shall be added together, and to the sum there shall be added the first and last breadths; the quantity thus obtained shall be multiplied by one-third of the common interval between the breadths and the product shall be the transverse area in square feet.(5) The transverse areas so obtained shall be numbered from the extreme forward point of measurement of the tonnage length, or of the parts thereof as the case may be; the even numbered areas shall be multiplied by 4 and the odd numbered areas, other than the first and last, by 2; these products shall be added together and to the sum there shall be added the area (if any) of the first and last; the quantity thus obtained shall be multiplied by one-third of the common interval between the areas; the product so obtained divided by 100 shall be the underdeck tonnage of the ship exclusive of the tonnage of spaces to be included therein pursuant to paragraph 5(b) of Schedule 2 (appendages). 2. Betweendeck space between the second deck and the upper deck (1) (a) Betweendeck space between the second deck and the upper deck shall be measured for length in a straight line in the middle plane of the ship between the points at the forward and after ends of the space where the inner surface of the frames, timbers, ceiling or sparring as the case may be meets the middle plane of the ship at half the height between the upper surface of the deck and the underside of the deck over. (b) Where a break exists in the second deck or the upper deck the line of the deck shall be extended through the break parallel to the raised part of the break; and the tonnage of the betweendeck space shall be measured in such a case by reference to the line of the deck so extended.(2) The length shall be divided into equal parts as provided in paragraph 1(3) of this Rule. At each of these points of division the horizontal breadth from the inner face of the frames, timbers or sparring as the case may be, shall be measured at half the height of the betweendeck space. (3) These breadths shall be numbered from the stem, the stem being number 1. The even numbered breadths shall be multiplied by 4 and the odd numbered, other