17209
28-Jun-16
1 of 6
MARITIME ENGINEERING
Demonstrate knowledge of marine
steam reciprocating plant and systems
level:
3
credit:
5
planned review date:
December 2001
sub-field:
Maritime
purpose:
People credited with this unit standard are able to:
demonstrate knowledge of marine steam reciprocating
engines; describe lubrication systems for marine steam
reciprocating engines; and describe marine steam
reticulation systems and ancillary equipment.
entry information:
Recommended: prior credit for Unit 4555, Operate steam
generation equipment (under 20Mw) used in an energy and
chemical environment; and Unit 4557, Operate boiler feed
water treatment systems (under 20Mw) in an energy and
chemical environment; or demonstrate equivalent knowledge
and skills.
Holders of the Boiler Attendants Certificate will be
considered to have achieved equivalent knowledge and
skills.
accreditation option:
Evaluation of documentation and visit by NZQA and industry.
moderation option:
A centrally established and directed moderation system has
been established by NZ Engineering, Food and
Manufacturing Industry Training Organisation - Maritime
Qualifications Advisory Group.
 New Zealand Qualifications Authority 2016
17209
28-Jun-16
2 of 6
MARITIME ENGINEERING
Demonstrate knowledge of marine
steam reciprocating plant and systems
special notes:
1
This unit standard is for people working, or intending to
work on board a commercial steam powered vessel.
2
All work practices must meet manufacturers’
specifications, recognised codes of practice and
documented vessel safe ship management procedures
for personal, product and vessel safety, and obligations
required under current legislation. Legislation relevant
to this unit standard includes but is not limited to - the
Maritime Transport Act (MTA) 1994, Resource
Management Act (RMA) 1991, Health and Safety in
Employment Act 1992, and their subsequent
amendments, and International Conventions for the
Safety of Life at Sea (SOLAS), and Marine Pollution
(MARPOL).
3
Steam plant includes but is not limited to:
a ships boilers
b reciprocating engines
c ancillary equipment.
 New Zealand Qualifications Authority 2016
17209
28-Jun-16
3 of 6
MARITIME ENGINEERING
Demonstrate knowledge of marine
steam reciprocating plant and systems
Elements and Performance Criteria
element 1
Demonstrate knowledge of marine steam reciprocating engines.
performance criteria
1.1
The working cycle of steam reciprocating engines is described, including
expansion of steam through the engine cycle, in accordance with
manufacturer’s specifications.
Range:
1.2
Reciprocating engine parts, including their function, name, and construction,
are described using sketches, in accordance with manufacturer’s specifications.
Range:
1.3
one and two-cylinder simple, compound and triple expansion
engines.
may include but are not limited to - cylinders and cylinder covers,
valves, pistons and piston rods, connecting rods, crankshafts,
bearings, thrust bearings, reversing gear.
Key safety features of reciprocating engines are described in accordance with
manufacturer’s specifications.
Range:
may include but are not limited to - governors, overspeed trips,
cylinder relief valves and drains.
 New Zealand Qualifications Authority 2016
17209
28-Jun-16
4 of 6
MARITIME ENGINEERING
Demonstrate knowledge of marine
steam reciprocating plant and systems
1.4
Valve settings in a steam engine are explained in accordance with
manufacturer’s specifications.
Range:
lap, lead, point of cut-off, angle of advance.
element 2
Describe lubrication systems for marine steam reciprocating engines.
Range:
one and two-cylinder simple, compound and triple expansion engines.
performance criteria
2.1
The explanation outlines how engine bearings and running parts are lubricated,
and includes the types of lubricants used.
Range:
2.2
lubricants - types of oil and grease.
The explanation outlines how oil contamination of steam and feed systems
occurs and includes the steps taken to prevent contamination.
 New Zealand Qualifications Authority 2016
17209
28-Jun-16
5 of 6
MARITIME ENGINEERING
Demonstrate knowledge of marine
steam reciprocating plant and systems
element 3
Describe marine steam reticulation systems and ancillary equipment.
performance criteria
3.1
Steam reticulation systems are described using sketches, in accordance with
manufacturer’s specifications.
Range:
3.2
may include but are not limited to – steam lines, exhaust and
condensate piping arrangements for expansion, valves (check,
control and non-return), manual and automatic drains, auxiliary
machinery, condensers.
The explanation outlines the function and construction of ancillary equipment in
accordance with manufacturer’s specifications.
Range:
may include but are not limited to - air pumps, feed pumps,
circulating pumps, hotwells, header tanks, condensers,
evaporators.
 New Zealand Qualifications Authority 2016
17209
28-Jun-16
6 of 6
MARITIME ENGINEERING
Demonstrate knowledge of marine
steam reciprocating plant and systems
Comments to:
NZ Engineering, Food and Manufacturing Industry Training Organisation
- Maritime Qualifications Advisory Group
Unit Standard Revision
PO Box 160
WELLINGTON
by December 2001.
Please Note:
Providers must be accredited by the Qualifications Authority
before they can offer programmes of education and training
assessed against unit standards.
Accredited providers assessing against unit standards must
engage with the moderation system that applies to those unit
standards. [Please refer to relevant Plan ref: 0054]
 New Zealand Qualifications Authority 2016