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a maximum time of forty-eight hours, and so as to avoid
damage to merchandise and to the ship's plating and engines.
In the case of ships in ballast, this process must be carried out
as soon as possible before taking in cargo.
Article 26.—In the case of Cholera, in addition to above general measures
of precaution—
(1) A supply of wholesome drinking water may be substituted for
that stored on board.
(2) Bilge water shall be disinfected and pumped out.
(3) Human excreta shall not be cast or allowed to pass into the
waters of the port without preliminary disinfection.
(6) Suspected ships.—The same precautions shall be adopted, but the
total surveillance shall not exceed five days dating from the arrival of the
ship.
In the case of Plague—
The destruction of rats on board is only recommended, not obligatory,
and may be carried out either before or after discharge of the
cargo.
In the case of Cholera—
(1) Bilge water shall be disinfected and pumped out.
(2) It is recommended the crew be prevented for a similar period
from leaving the ship except on duty.
(c) Healthy ships should be given free pratique immediately, whatever
their bill of health may be, after medical inspection, disinfection of soiled
linen, or other articles which the sanitary authority has special reasons for
regarding as infected. The crew and passengers may be subjected to
surveillance during a period not exceeding five days, reckoned from the date
of the ship leaving the infected port, and it is recommended that the crew
should not leave the ship except on duty during the period.
In the case of Plague—
The destruction of rats on board is optional, but the process must
not take longer than twenty-four hours.
In the case of Cholera—
(1) Medical inspection.
(2) Disinfection of infected articles.
(3) Disinfect and pump out bilge water.