### Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations 《商船(安全)(貨船構造及檢驗)(1984年9月1日或之後建造的船舶)規例》

23. Lubricating and other oil systems
(1) In every ship in which oil for lubrication, cooling or operation of the main propelling machinery and its ancillary services is circulated under pressure, provision shall be made so that in the event of the failure of a pump an alternative means of circulating such oil is available.
(2) The arrangements for the storage, distribution and utilisation of lubricating oil in machinery spaces of Category A shall comply with the requirements of paragraphs (a), (d), (g), (h), (i), (j) and (k) of regulation 22(2) as they apply to oil fuel installations except that tank gauges of the flat glass type, provided with self closing valves at each tank connection and sight flow glasses having an acceptable degree of fire resistance may be permitted. Alternative arrangements may be permitted in machinery spaces other than machinery spaces of Category A where the Certifying Authority is satisfied that the safety of the ship is not impaired.
(2A) The arrangements for lubricating oil of a post 1992 ship must also comply with the applicable requirements specified in regulations 15.2.10 and 15.2.11 of specified Chapter II-2. (L.N. 251 of 2018)
(3) The arrangements for the storage, distribution and utilisation of flammable oils, other than fuel and lubricating oil, used in power transmission, control and activating systems and heating systems shall be such as to ensure the safety of the ship and persons on board. In enclosed spaces containing a source of ignition the arrangements shall comply with paragraphs (d), (g), (i), (j) and (k) of regulation 22(2) as they apply to oil fuel installations except that tank gauges of the flat glass type provided with self closing valves at each tank connection may be permitted.
(3A) The arrangements for flammable oils (other than fuel and lubricating oil) of a ship constructed on or after 1 July 1998 must also comply with the applicable requirements specified in regulations 15.2.10 and 15.2.11 of specified Chapter II-2. (L.N. 251 of 2018)
(4) Lubricating oil and other flammable oils shall not be carried in fore peak tanks.

### Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations 《商船(安全)(貨船構造及檢驗)(1984年9月1日或之後建造的船舶)規例》

24A. Machinery controls: post-1 July 1998 ships
(1) This regulation applies to a ship constructed on or after 1 July 1998.
(2) The applicable requirements on the machinery for the propulsion, control and safety of the ship specified in regulation 31 of specified Chapter II-1 must be complied with in relation to a ship.
(L.N. 251 of 2018)

### Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations 《商船(安全)(貨船構造及檢驗)(1984年9月1日或之後建造的船舶)規例》

26. Electric and electro-hydraulic steering gear
(1) Every ship which is fitted with electric or electro-hydraulic steering gear shall be provided with indicators which will show when the power units of such steering gear are running. These indicators shall be situated in the machinery control room or in such other position or positions as the Certifying Authority may approve and on the navigating bridge.
(2) Every such steering gear shall, subject to subregulation (3)—
(a) be served by at least 2 exclusive circuits fed from the main switchboard one of which may pass through the emergency switchboard; each circuit shall have adequate capacity for supplying all the motors which are normally connected to it and which operate simultaneously, and if transfer arrangements are provided in the steering gear compartment to permit either circuit to supply any motor or combination of motors, the capacity of each circuit shall be adequate for the most severe load condition; the circuits shall be separated as widely as is practicable throughout their length; an auxiliary electric or electro hydraulic steering gear may be connected to one of the circuits supplying the main steering gear, and
(b) be provided with short circuit protection and an overload alarm for the protection of the circuits and motors; any protection provided against excess current shall be capable of conducting at least twice the full load current of the motor or motors taking into consideration the motor starting currents; when a three phase supply is used an alarm shall be provided that will indicate the failure of any one of the supply phases; the alarms required by this paragraph shall be both audible and visual and located in a conspicuous position in the main machinery space or in the control room from which the main machinery is normally controlled.
(3) The main steering gear in any ship of less than 1,600 tons may be fed by one circuit from the main switchboard if the auxiliary steering gear is not electrically powered or is powered by an electric motor primarily intended for other purposes. The Certifying Authority may permit arrangements for such motors other than those required by subregulation (2)(b) and regulation 25(6)(a) and (b) if it considers it safe so to do.

27. Ventilating systems in machinery spaces
Machinery spaces of category A in every ship shall be ventilated so that an adequate supply of air is maintained for the safety and well-being of personnel and the operation of machinery, including boilers, at full power in all weather conditions. Any other machinery space shall be adequately ventilated having regard in particular to the prevention of an accumulation of oil vapour under all normal conditions.

### Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations 《商船(安全)(貨船構造及檢驗)(1984年9月1日或之後建造的船舶)規例》

28. Protection against noise
(1) In every ship, measures shall be taken to reduce noise levels in machinery spaces as far as is reasonable and practical. On completion of a ship noise levels in machinery spaces shall be measured in accordance with Schedule 3 and a record of the measurements taken shall be retained on the ship.
(2) Noise levels in machinery spaces shall not exceed 110 dB(A) provided that the Director may, under such conditions as he may specify, permit higher noise levels having regard to the size of the ship and the type of machinery installed.
(3) Any machinery space in which the noise level exceeds 90 dB(A) and which is required to be manned shall be provided with a designated refuge from noise.
(4) Every entrance to a machinery space in which the noise level exceeds 85 dB(A) shall be provided with a warning notice comprising a symbol complying with British Standards Institution specification number BS 5378:1980 or other equivalent standard acceptable to the Director and a supplementary sign stating ‘High Noise Levels. Use Ear Protectors’. Sufficient ear protectors shall be provided for use in such spaces.

29. Communication between navigating bridge and machinery space
(1) Every ship, other than a post 1994 ship, shall be provided with two independent means for communicating orders from the navigating bridge to the position in the machinery space or machinery control room from which the main engines are normally controlled. One of the means shall be an engine room telegraph. Means of communication shall also be provided to any other position from which the main engines may be controlled.(L.N. 415 of 1995)
(2) Every post 1994 ship shall be provided with at least two independent means for communicating orders from the navigating bridge to the position in the machinery space or in the control room from which the speed and direction of thrust of the propellers are normally controlled: one of the means shall be an engine room telegraph which provides visual indication of the orders and responses both in the machinery spaces and on the navigating bridge. Appropriate means of communication shall be provided from the navigating bridge and the engine room to any other position from which the speed or direction of thrust of the propellers may be controlled.(L.N. 415 of 1995)

30. Engineers’ alarm
Every ship shall be provided with an engineers’ alarm which shall be clearly audible in the engineers’ accommodation when operated from a position in the machinery space or machinery control room from which the engines are normally controlled.

31. Spare gear
Every ship shall be provided with sufficient spare gear having regard to the intended service of the ship.

32. Periodically unattended machinery spaces
This Section applies only to ships with machinery spaces containing machinery used or essential for propulsion, which are intended to be periodically unattended under any sailing condition, including manoeuvring.