Textos de Apoio (pdf)

ITTC – Recommended
7.5-04
-01-01.1
Procedures and Guidelines Page 3 of 10
Full Scale Measurements
Speed and Power Trials
Preparation and Conduct of
Speed/Power Trials
Effective Date
2005
Revision
03
how to conduct the trial and table(s) portraying
the runs to be conducted.
• Trial Log: For each run, the log contains
the run number, type of maneuver, approach
speed by log, approach shaft speed,
times when the maneuvers start and stop,
and any comments about the run.
• Propeller Pitch: the design pitch also for
controllable pitch propellers.
• Running Pitch: the operating pitch of a
CPP
• Brake Power: Power delivered by the output
coupling of the propulsion machinery
before passing through any speed reducing
and transmission devices and with all continuously
operating engine auxiliaries in
use.
• Shaft Power: Net power supplied by the
propulsion machinery to the propulsion
shafting after passing through all speedreducing
and other transmission devices
and after power for all attached auxiliaries
has been taken off.
3. RESPONSIBILITIES
3.1 Shipbuilders Responsibilities
• The Shipbuilder has the responsibility for
planning, conducting and evaluating the trials.
• Speed – Power - Trials may be conducted
by institutions acknowledged as competent
to perform those trials, as agreed between
the Shipbuilder and the Ship owner
• The Shipbuilder has to provide all permits
and certificates needed to go to sea.
• The Shipbuilder is responsible to ensure
that all qualified personnel, needed for operating
the ship and all engines, systems
and equipment during the trials have been
ordered.
• The Shipbuilder is responsible to ensure
that all regulatory bodies, Classification
Society, Ship Owner, ship agents, suppliers,
subcontractors, harbor facilities, delivering
departments of provisions, fuel, water, towing,
etc., needed for conducting the sea trials,
have been informed and are available
and on board, if required.
• It is the Shipbuilder’s responsibility that all
safety measures have been checked and all
fixed, portable and individual material (for
crew, trial personnel and guests) is on
board and operative.
• It is the Shipbuilder’s responsibility that
dock trials of all systems have been executed
as well as all alarms, warning and
safety systems.
• It is the Shipbuilder’s responsibility that an
inclining test has been performed and/or at
least a preliminary stability booklet has
been approved, covering the sea trial condition,
in accordance with the 1974 SOLAS
Convention.
• The Shipbuilder is responsible for the overall
trial coordination between the ship's
crew, trial personnel, and the owner representative.
A pre-trial meeting between the
trial team, owner and the ship’s crew will
be held to discuss the various trial events
and to resolve any outstanding issues.