[reg. 20]
G 152
CAP. 374] Road Traffic (Traffic Control) Regulations
[1989 Ed.
[Subsidiary]
SCHEDULE 5
LIGHTING, SIGNING AND GUARDING OF ROAD WORKS
1. The location of signs, road markings, barriers and road hazard warning lanterns at road works shall be in accordance with that set down in the Code of Practice.
2. A lantern showing either a steady or an intermittent light may be used to indicate to traffic the limits of a temporary obstruction of a road and, without prejudice to paragraph 4, shall be of the size, colour and type prescribed by paragraph 3.
3. (1) The colour of the light shown by a lantern referred to in paragraph 2 whether steady or intermittent, shall be amber and the external surfaces of the body of the lantern shall be coloured yellow.
(2) Lanterns may be so constructed that light is emitted from 1, 2 or 3 sides or from every horizontal direction but each lens or light enclosure of the lantern shall be—
(a) if the light so shown is emitted from the lantern in only 1, 2 or 3 horizontal directions, of such shape and size that the perimeter of its horizontally projected area on to any vertical plane shall be capable of lying wholly inside a circle having a diameter of 190 mm and wholly outside a circle having a diameter of 100 mm; and
(b) if the light so shown is emitted from the lamp in every horizontal direction, of such shape and size that the perimeter of its horizontally projected area on to any vertical plane shall be capable of lying wholly within a square having sides of 125 mm and wholly outside a square having sides of 40 mm in length.
(3) Each lantern shall be illuminated separately and by a single source of light.
(4) Each lantern shall have a light transmitting cover or lens protecting the source of the light.
(5) The height of the centre of any lens or light transmitting cover of a lantern from the surface of the road in its immediate vicinity shall not exceed 1.2 m.
(6) Each lantern shall have in association with the lens or light transmitting cover a device having an area of not less than 50 cm2 fitted with amber reflectors or amber reflecting material and positioned on the lantern so that the device faces oncoming vehicles.
(7) Where a lantern is used which shows a steady light, then the luminous intensity of the light shall not be less than 1 candela measured within 5 degrees above and below and 10 degrees left and right of the principal axis if the light so shown is emitted from the lantern in only 1, 2 or 3 directions, and measured within 5 degrees above and below the horizontal plane around the vertical axis of symmetry if the said light is emitted in every direction.
(8) Where a lantern which shows an intermittent light is used then that lantern shall be of such size and type that the rate of flashing shall be not less than 90 flashes per minute and not more than 150 flashes per minute and the peak luminous intensity measured in accordance with subparagraph (7) shall be not less than 1.5 candelas.
(9) Lanterns used for the purposes indicated in this Schedule shall be of robust design and shall be capable of complying with the performance standards set down in the Code of Practice.
(10) All electrically operated lanterns and any associated connections, parts or means of operation shall comply with the standards set down in the Code of Practice.
(11) Any cable supplying power to the lanterns shall not carry a voltage greater than 50 volts in the vicinity where the general public reasonably have access.
(12) Radio interference from any current interrupting device shall be suppressed in accordance with the specifications referred to in the Code of Practice.
(13) All kerosene burning lanterns shall be of such type and shape as to comply with the standards of construction set down in the Code of Practice.
4. In this Schedule "Code of Practice" means the Code of Practice for the Lighting, Signing and Guarding of Road Works prescribed by the Director under the Ordinance.
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