Download ELECTRICAL SURVEY REPORT

ELECTRICAL SURVEY REPORT
This report is the National Regulator’s preferred method for accredited marine surveyors and other qualified persons to monitor and
record the electrical survey for a Domestic Commercial Vessel.
It is neither mandatory nor intended for this form to be provided to the vessel owner.
Vessel Details
Vessel name
Unique identifier
Owner of vessel
Builder of vessel
Details and Serial number of generator(s)
Details and Serial number of inverter(s)
Model and Calibration date of insulation testing device Model and Calibration date of RCD testing device
Model and Calibration date of earth loop testing device
Is the electrical installation on board the vessel?
Extra Low voltage
Low voltage
High voltage
Combination
Does the vessel have a shore power connection?
No
Yes
If yes, how many?
Visual Inspection
A visual inspection of an electrical installation is to be conducted, signed, and dated to confirm that the installation is in
good repair, is fit for purpose, and does not show signs of damage. This inspection does not include any electrical
testing.
Item
Pass
Fail
Surveyor Comments
Cables condition, no evidence of
overheating, burning or tracking.
Cable/wiring security.
Cable penetration devices are in good
order.
Cables have mechanical protection for
the environment in which they are
installed.
Socket-outlets exhibit no physical
damage and there is no evidence of
overheating.
Light fixtures exhibit no evidence of
physical damage or undue overheating
or arcing.
Lamps do not exceed the wattage rating
of the fittings in which they are installed.
AMSA563 (1/17) Page 1 of 8
Item
Pass
Fail
Surveyor Comments
LV and ELV systems are separated.
Electrical equipment is adequately
supported.
Electrical equipment and fixed-wired
appliances forming part of the electrical
installation are not damaged.
Operational Tests (Require systems knowledge)
Item
Pass
Fail
Surveyor Comments
Pass
Fail
Surveyor Comments
Generator operation.(5B 2.21.1)
Engine Governors.(5B 2.21.1)
Parallel operation.(5B 2.21.1)
Load sharing.(5B 2.21.1)
Voltage regulator operation by
instantaneous loading and unloading of
generator.(5B 2.21.1)
Safety devices, such as overspeed trips,
reverse power trips, over current trips, load
shedding together with the associated
controls and alarms.(5B 2.21.1)
Overload alarm circuits of essential service
motors.(5B 2.21.1)
Main engine safety alarms and trips.(5B
2.21.1)
Machinery and equipment that incorporates
remote controls, remote stops and limit
switches.(5B 2.21.1)
Emergency stop circuits.(5B 2.21.1)
Vessel alarm systems.(5B 2.21.1)
Other systems and equipment installed in
the vessels.
Switchboards
Item
a.c. and d.c systems segregated. ( AS/NZS
3004.2.2)
Switchboard and electrical equipment
have no conductor insulation
deterioration.
RCDs, MCBs, fuses and switches show
no evidence of mechanical damage.
AMSA563 (1/17) Page 2 of 8
Item
Pass
Fail
Surveyor Comments
Fail
Surveyor Comments
Semi-enclosed rewireable fuses,
where fitted, have not deteriorated due
to arcing and have no exposed live
parts when the fuse carrier is fitted
into the fuse base.
NOTE: Semi-enclosed rewireable fuses are
not permitted in new installations or in
alterations and additions to an existing
installation.(AS/NZS 3004.2 C10)
There is adequate insulation and
distance between live conductors and
between live conductors and earth;
where the conductors are bare.(AS/NZS
3004.2 C10)
Switches and protective devices are
clearly labelled showing the circuit
type they control or protect. (AS/NZS
3004.2 C10)
For boats with an IT AC system, a
continuously operating earth fault or
insulation monitoring and alarm system
is installed and operational.(AS/NZS
3004.2 C10)
When an inverter is installed, the
hazard warning label is fitted to or
beside the AC. switchboard.(AS/NZS
3004.2 C10)
Where there are separate earth and
neutral bars, earthing conductors are
connected to the earth bar and neutral
conductors are connected to the neutral
bar.(AS/NZS 3004.2 C10)
The main earthing conductor from the
boat’s earth is correctly connected at
the main switchboard .(AS/NZS 3004.2
C10)
The switchboard is constructed and
installed in such a manner that, in the
event of fire, the spread of fire will be
kept to a minimum .(AS/NZS 3004.2 C10)
Residual current devices (RCDs)
installed for personnel protection have
a residual operating current of 30 mA
or less.(AS/NZS 3004.2 C10)
Conductors are securely held in
terminals of fittings and are not subject
to tension at the terminations. (AS/NZS
3004.2 C10 and AS/NZS 3004.2 C10)
Earthing and Equipment Potential Bonding
Item
Pass
The main earthing and equipotential
bonding conductor terminations are
accessible.
Earthing connections are mechanically
sound and fixed by a secure system.
AMSA563 (1/17) Page 3 of 8
Item
Pass
Fail
Surveyor Comments
Pass
Fail
Surveyor Comments
Pass
Fail
Surveyor Comments
Earthing and equipotential bonding
connections are protected against
mechanical damage, corrosion and any
vibration likely to occur.
Conductors of cables are correctly
identified and are connected to the
correct terminals of fittings.
The portions of the boat earth inside the
boat show no evidence of corrosion,
damage or poor connection of the
earthing conductor(s).
Fixed Appliances
Item
Appliances are correctly positioned and
are suitable for the environment they are
located in.(AS/NZS 3004.2 C10)
Covers of fixed-wired appliances are not
broken or missing, giving access to live
parts or basic insulation.
NOTE: Connections to electrical equipment
need to be enclosed and require the use of a
tool to gain access.(AS/NZS 3004.2 C10)
Electrical appliances are correctly
mounted and protected against
mechanical damage.(AS/NZS 3004.2 C10)
Electrical fittings in damp areas have the
correct IP rating and are appropriate for
the zone.(AS/NZS 3004.2 C10)
Batteries
Item
Batteries shall be secured against
movements and inclinations occurring
during boat movement.(AS/NZS 3004.2
C10)
Batteries shall be covered for protection
of battery and battery terminals from
loose and falling objects .(AS/NZS 3004.2
C10)
Batteries shall not be installed directly
above or below a fuel tank or fuel filter,
and any other metallic component of the
fuel system within 300 mm above the
battery top, as installed, shall be
electrically insulated .(AS/NZS 3004.2 C10)
Battery overcurrent protection complies
with the standard.(AS/NZS 3004.2 C10)
Battery ventilation complies with the
standard (NSCV 5B 3.9)
Lithium ion battery installation complies
with Clause 2.9.3.of AS/NZS3004.2
AMSA563 (1/17) Page 4 of 8
Item
Pass
Fail
Surveyor Comments
Fail
Surveyor Comments
Batteries shall be mounted IAW chapter
3.8 of the NSCV 5B
Emergency Electrical Installations
must comply with Chapter 5 of the
NSCV 5B
Shore Power (NSCV 5B 4.7 / 3004.2 3.5.1)
Item
Pass
Where electricity is to be supplied to a
vessel from a shore supply the shipboard
shore power facility shall include the
following:
A circuit breaker operating in all live
conductors of the supply, including neutral,
fitted adjacent to the shore supply inlet on
the vessel.
A test device, connected on the supply side
of the vessel's shore supply circuit breaker
to check, and visually indicate, the polarity
of the shore supply in relation to the
vessel's system.
An interlocking circuit to ensure the shore
power cannot be connected unless the
polarity is correct or a polarity reversal
arrangement incorporating interlocking
circuitry is installed.
In three phase supplies:
i)
a means of checking the phase
sequence in relation to the vessel's
system; and
ii)
appropriate switchgear to facilitate
the reversal of phase sequence.
AMSA563 (1/17) Page 5 of 8
Verification by Testing (AS/NZS 3000 / 3017 / 3004.2)
AS/NZS 3000 / 3017 & 3004.2 details the requirements for testing a boat’s electrical installation to confirm that the
installation remains in good repair and does not exhibit indications of misuse or damage.
This testing requires the disconnection of supply to all or parts of the installation.
Inspection of electrical equipment and conductors shall include the applicable checks listed below plus any additional
visual checks required to verify that the installation is in a safe condition.
Earth Continuity Tests
Item
Pass
Fail
Surveyor Comments/meter reading
The connection between any point on the
installation required to be earthed and
the switchboard earth bar or terminal is
continuous.
For boats with an IT a.c. system, a
continuously operating earth fault or
insulation monitoring and alarm system
is installed
The main a.c. earthing conductor
between the main a.c. switchboard
and the boat electrical earth is
continuous and the resistance of the
main earthing conductor does not
exceed 0.5 Ω.
The connection between any point on the
installation required to be equipotentially
bonded and the switchboard earth bar is
continuous.
The connection between any point on the
installation required to be equipotentially
bonded and the switchboard earth bar is
continuous.
The resistance of each equipotential
bonding conductor does not exceed 0.5
Ω.
There is a MEN connection between
neutral and earth at each source of
supply or where supplies operate in
parallel at the main switchboard.
NOTE: In this instance shore power must be
isolated from the vessel system by an
isolating transformer or converter
Fixed wired appliances requiring
earthing (Class I) are connected to
earth.
With the boat connected to shore
power an earth fault loop impedance
test shall be carried out from each
a.c. outlet on the boat to confirm that
the earth loop impedance in ohms
meets the requirements of AS/NZS
3000
NOTE: For boats fitted with a galvanic
isolator(s) this will also test the operation
of the galvanic isolator(s).
AMSA563 (1/17) Page 6 of 8
Polarity and Correct Connections (NSCV 5B and AS/NZS 3004.2)
Item
Pass
Fail
Surveyor Comments/meter reading
In a multiphase circuit a switch, or circuitbreaker when used as an isolator, operates
simultaneously in all active conductors of the
circuit in which it is connected.
Neutral conductors of circuits are
connected to the neutral bar of the
switchboard from which the circuit is
supplied.
The incoming main neutral is connected
to the neutral bar of the main
switchboard.
Every RCD operates in the live
conductors (active and neutral) of the
circuit(s) to which it is connected.
Single phase socket-outlets that
accommodate flat-pin plugs are
connected so that, when viewed from
the front of the socket-outlet, earth,
active and neutral are connected in a
clockwise order and the earth is
connected to the slot on the radial line.
Where multiphase socket-outlets of the
same type form part of an electrical
installation the phase sequence of the
socket-outlets shall be the same.
The polarity of the supply lead and
appliance inlet is correct.
RCD and Insulation Testing (RCD trip time and current to be recorded)
Item
Pass
Fail
Surveyor Comments/meter reading
Pass
Fail
Surveyor Comments/meter reading
The correct operation of RCDs
shall be verified by the use of
special test equipment.
Tests shall be performed on each final
sub circuit protected by an RCD to
verify that the RCD operates to
disconnect the designated circuit.
An insulation resistance test shall be
carried out with test instruments to
ensure, so far as practicable, that there
is adequate insulation between live
parts and earth and between LV and
ELV systems
a.c. Electrical Power Sources
Item
Confirm transfer from one nonsynchronized a.c. power source circuit
to another is made by a means which
opens all current-carrying conductors
before closing the other source circuit
and is interlocked by mechanical or
electromechanical means.
AMSA563 (1/17) Page 7 of 8
Item
Pass
Fail
Surveyor Comments/meter reading
Pass
Fail
Surveyor Comments/meter reading
Verify by function testing to confirm
synchronized a.c. power sources are
provided with the following:
Under/over voltage protection.
Under/over frequency protection.
Reverse power protection – generators.
Backfeed protection – inverters.
Confirm that the point at which neutral
conductor of an AC. system is earthed
either at:
(a)
at the source of power, e.g. at the
onboard generator, the secondary
of the transformer or the output of
an inverter or a converter; or
(b)
by a removable link between the
vessel main neutral and the main
a.c. earth bus bars.
NOTE: Option (b) is only possible when
shore power connects to the vessel via a
transformer or converter with isolation
between the input and output.
Confirm switchboard electrical
instruments are indicating values within
±5% of the values indicated by the test
instruments.
Additional tests carried out
Item
AMSA563 (1/17) Page 8 of 8