2016 Environmental Report - 27

REPLENISHING WATER
The systems we use on board for producing water are:
* Multistage evaporators that produce fresh water from seawater. The
seawater is heated through heat exchange from steam produced by the
boilers and heat recovered from the exhaust gas of the engines.
* Reverse osmosis plants that produce water from seawater by utilizing
high-pressure pumps and sophisticated water filters and treatment
components.
* Condensate recovery produces technical water by capturing the
condensate from the vessels' AC units.
Our efforts have been focused on prioritizing onboard water production with
more sophisticated plants.

WATER
CONSUMPTION
GOAL
Our goal is to decrease water
consumption per capacity day by four
percent over the next four years. We
aim to achieve this through several
onboard projects and initiatives we

REVERSE OSMOSIS PLANTS
New ships built since 2010 feature more and larger reverse osmosis plants.

have in place, as well as investments
into new technologies on board.

Ships 20 years ago had one reverse osmosis plant, with production not
exceeding more than 200 M3 a day and complemented by three evaporators.
Today, the latest Norwegian ships are delivered with 2 to 3 x 600 M3 reverse
osmosis plants and one to two large evaporators. Reverse osmosis plants are
also more economical, costing at least one-fifth of steam evaporators.
BUNKERED WATER
On occasion ships need to take on, or "bunker," potable water directly from
the ports they call on. The water is then tested on board for quality standards
and treated accordingly before being put into the potable water circulation.
SHIPBOARD ENERGY EFFICIENCY MANAGEMENT PLAN (SEEMP)
On land, we focus on reducing our electricity use and our water usage. The
same philosophy applies on board. The SEEMP is a vessel-specific document
that outlines measures that can be implemented on board to improve efficiency.
By reducing overall energy used on board, the vessel can reduce its global
carbon emissions. We are then able to spread these ideas to other vessels in
the fleet to continuously improve our operations. Our water is produced by
equipment requiring electricity or fuel, meaning it is directly related to the
amount of energy required on board.
To reduce water consumption on board, some of our initiatives include:
* Certain stateroom showerheads and sink taps are equipped with watersaving restrictors, which provide up to five percent savings in water used.
* Ongoing training to educate crew of the importance of saving water,
especially in high-use areas such as galleys.
* New dishwashers are equipped with water-saving devices that reduce the
water used and recover energy from the steam generated by hot water. Also,
laundry machines are operated only at full load to prevent wasting water.
27



Table of Contents for the Digital Edition of 2016 Environmental Report

Contents
2016 Environmental Report - Cover1
2016 Environmental Report - Cover2
2016 Environmental Report - 1
2016 Environmental Report - Contents
2016 Environmental Report - 3
2016 Environmental Report - 4
2016 Environmental Report - 5
2016 Environmental Report - 6
2016 Environmental Report - 7
2016 Environmental Report - 8
2016 Environmental Report - 9
2016 Environmental Report - 10
2016 Environmental Report - 11
2016 Environmental Report - 12
2016 Environmental Report - 13
2016 Environmental Report - 14
2016 Environmental Report - 15
2016 Environmental Report - 16
2016 Environmental Report - 17
2016 Environmental Report - 18
2016 Environmental Report - 19
2016 Environmental Report - 20
2016 Environmental Report - 21
2016 Environmental Report - 22
2016 Environmental Report - 23
2016 Environmental Report - 24
2016 Environmental Report - 25
2016 Environmental Report - 26
2016 Environmental Report - 27
2016 Environmental Report - 28
2016 Environmental Report - 29
2016 Environmental Report - 30
2016 Environmental Report - 31
2016 Environmental Report - 32
2016 Environmental Report - 33
2016 Environmental Report - 34
2016 Environmental Report - 35
2016 Environmental Report - 36
2016 Environmental Report - 37
2016 Environmental Report - 38
2016 Environmental Report - 39
2016 Environmental Report - 40
2016 Environmental Report - 41
2016 Environmental Report - 42
2016 Environmental Report - 43
2016 Environmental Report - 44
2016 Environmental Report - 45
2016 Environmental Report - 46
2016 Environmental Report - 47
2016 Environmental Report - 48
2016 Environmental Report - 49
2016 Environmental Report - 50
2016 Environmental Report - Cover3
2016 Environmental Report - Cover4
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