Public piers.
Dangerous goods.
Vessels
per-
forming salvage. etc.
(2) No vessel shall lie alongside any pier, wharf or jetty unless such structure is designed and constructed for the purpose.
19. (1) No vessel shall without prior permission from the Director lic alongside a public pier except when engaged in taking on board or landing passengers or cargo.
(2) Vessels waiting to go alongside the public pier at Tsim Tsa Tsui shall not lie or anchor to the south-east of a line at 240* from the black and white beacon or red light on that pier and extended one cable from such beacon or light.
20. (1) The owner or agent of any vessel in which dangerous goods are carried into the Colony shall furnish in writing to the Director particulars thereof not less than 48 hours before arrival.
(2) The master, owner or agent of any vessel in which dangerous goods are to be carried out of the Colony shall furnish in writing to the Director particulars thereof not less than 24 hours before loading.
(3) Dangerous goods which have been accepted for shipment less than 24 hours before a vessel sails shall not be loaded without the written permission of the Director.
(4) A vessel carrying or loading dangerous goods shall by day keep hoisted the international code Rag "B" at the foretruck and by night shall show a red light at a height of not less than 30 feet above the topmost deck, and if carrying or about to load petroleum Rashing at below 150° Fahrenheit shall instead of the international code flag "B" display a red flag not less than 3 feet square with a white circular centre 6 inches in diameter and shall also fly the international code signal "R.K.O.",
(5) No vessel other than one carrying, loading or discharging dangerous goods shall use the dangerous goods anchorages without the permission of the Director.
21. (1) A vessel engaged in salvage, dredging, boring or in repair of moorings shall show-
(a) by day, a black ball a feet in diameter at the foremast- head with a similar black ball at the yard arm on the side on which it is safe to pass, and a red flag at least 4 feet long and 3 feet 6 inches deep on the side on which it is dangerous to pass;
(8) by night, all round white lights in place of the black balls, and an all round red light in place of the red flag, such lights being visible in clear weather at a distance of one mile.
(2) A vessel approaching a vessel engaged in repair of buoys or moorings, diving, dredging, salvage, survey or lifting, laying or repairing cables or pipe lines shall proceed at dead slow speed and shall take all necessary avoiding action.
22. (1) Lugs and timber rafts shall not be moored or Floating loga and beached except at places allotted by the Director.
timber.
(2) When moured or under way such logs or rafts shall between sunset and sunrise bear all round white lights not less than 6 feet above the water al each end and visible in clear weather at a distance of one mile, and if such logs or rafts exceed Su feet in length they shall bear a third similar light at the middle thereof.
(3) When such logs or raft are moored or under way in daylight red flags not less than two feet square shall be carried in lieu of the requisite white lights.
23. (1) No vessel shall use a whistle, siren or foghorn Minor, except as provided in international collision regulations.
(2) No person shall without the permission of the Director beat any drum or gong on board any vessel in the harbour,
(3) No searchlight shall without the permission of the Director be used except by persons doing so in the employment of government, or except by the naval, army or air force authorities.
(4) No person shall without the permission of the Director discharge any firework on board any vessel.
(5) Internal combustion engines shall be provided with efficient silencers on the exhaust pipes.
(6) No vessel shall in any port of the Colony emit smoke (including soot, ash, grit, gritty particles or oil) in such quantity as to be a nuisance.
(7) Dredging for coal and other matter, and fishing, is prohibited in a cable reserve.
prohibi-
tions.