Regulations on drinking water and potable water systems on mobile facilities


Date FOR-2015-12-04-1406


Ministry of Industry and Ministry of Fisheries


Published In 2015 Booklet 13


Commencement 01/01/2016

Edited
FOR 2016-07-05-897

Changes
FOR 1987-09-04-860

For
Norway

Legal

LOV-2007-02-16-9-§2, LAW-2007-02-16-9-section 6, LAW-2007-02-16-9-§9, LAW-2007-02-16- 9-L-11, LAW-2007-02-16-9-L-26, TO-2007-02-16-171, TO-2007-05-31-590

Promulgated
12.10.2015 kl. 15.00

Short Title
Regulations on drinking on mobile units

Chapter Overview:

Chapter 1. Scope (Article 1)
Chapter 2. Requirements for drinking water (§§ 2-4)
Chapter 3. The design, operation and cleaning of potable water (§§ 5-15)
Chapter 4. Final provisions (§§ 16-18)
Annex I

Adopted by NMD 4th December 2015 pursuant to the Act on 16 February 2007 no. 9 on maritime safety (the Maritime Safety Act) § 2, § 6, § 9, § 11 and § 26; see. Delegated Decision of 16 February 2007 no. 171 and delegating decision on 31 May 2007 no. 590.
EEA information: EEA agreement, Annex II, chap. XIX. 1 (Directive 98/34 / EC as amended by Directive 98/48 / EC).
Changes: Amended by Regulation 5 July 2016 no. 897.

Chapter 1 Scope

§ 1. Scope These regulations apply to Norwegian mobile units.

Chapter 2. Requirements for drinking water

§ 2. Requirements for quality and water treatment
(1) Drinking water shall be hygienically safe. It should

A)
be clear, without smell, taste or color

B)
not contain physical, chemical or biological components that can be harmful to health in normal use

C)
follow quality requirements and sampling in Annex to the Regulation on 4 December 2001 no. 1372 relating to water supply and drinking water.

(2) Drinking water shall be disinfected as the last processing step when the drinking water are removed from the water tank to the consumer.

(3) Chemical products for treatment of water or potable water should be on Mattilsynet list of such products.

(4) The water refers to all forms of water destined for drinking, cooking or other household purposes.

§ 3. Drinking water bunkered from countries or supply vessel Drinking water bunkered from countries or supply vessels be chlorinated during transfer to potable water tanks.

§ 4. Drinking water produced from seawater
(1) Taking seawater should not happen in coastal areas, ports or other places where the sea water may be contaminated.

(2) Drinking water produced by

A)
evaporation maximum having a conductivity of 6 mS / m at 25 ° C, measured at the outlet of evaporator

B)
reverse osmosis, can have a maximum conductivity of 75 mS / m at 25 ° C, measured at the outlet of osmosis.

Chapter 3. The design, operation and cleaning of potable water

§ 5. Risk assessment and control
(1) It shall carry out a risk and vulnerability analysis for drinking water plant. The analysis must take into account

A)
potential pollution sources

B)
required number seawater intake and protection against back from other seawater consumers

C)
that there should always be enough water available.

(2) Risk and vulnerability analysis should result in the necessary mitigating measures and contingency plans.

(3) There must be procedures which describe the control of critical points in the water supply.

(4) The potable water system must be inspected once per. day and night. The results must be documented.

§ 6. General requirements for drinking water systems
(1) Potable water system shall be designed for a consumption of at least 200 liters of drinking water per. person pr. day and night.

(2) Tank volume shall ensure that there is always enough water available, and shall consist of at least two separate storage tanks. Facilities that do not have water production plants must have at least three separate storage tanks.

(3) Chlorination under § 3 shall be performed with equipment installed before the water tank, and the plant should be designed for maximum water supply. Chlorination plants shall be designed so that it is possible to add and mix in more chlorine when water analysis shows that it is necessary, ref. § 13 letter f.

(4) The potable water system must be protected against frost and heat. Hot water should have a temperature of at least 65 ° C from the heater and at least 60 ° C for one minute bottling any place on the harness.

(5) Materials that come into contact with drinking water must not release substances into the water so the water is hazardous to health or unfit for drinking, and endure drinking water quality that the plant was designed for.


(6) Water production facility should have two independent systems with salinometre and dump valves providing alarm and switch off the water flow at high salinity of the produced water, ref. § 4, second paragraph.

(7) Drinking water plant will have sampling points that make it possible to track water quality changes through the system. The valve of the sample point should be located as close to the main tube as possible, and the tube end should be short and self-draining.

§ 7. Potable water tanks
(1) Potable water tanks must have

A)
cofferdams, or limit the room that does not involve any risk of contamination;

B)
openings for inspection and cleaning. The openings shall be tight manhole covers and placed so that inspection and cleaning can take place while the device is in operation;

C)
drainage facilities so that your mind can be completely drained;

D)
adequate ventilation. Air pipes shall be so designed that contamination does not enter, and the opening should be covered with a dense network of corrosion-resistant materials;

E)
fewest internal ribs and stiffeners. Interior surfaces and structures should be easy to clean and maintain. Are tank over four meters high, it should be a minimum of every four meters be permanent internal access platforms for maintenance.

(2) Pipes leading products other than drinking water through water tanks, should be placed in open channel (tube-in-tube).

(3) Upon initial application or full renewal of protective coating of potable water tanks must work approved by an inspector certified as FROSIO inspector level III or NACE inspector level-2.

(4) It shall be documented that the protective coating of potable water tanks suitable for drinking purposes and that the supplier's recommendation for preparation, application, curing and washing is done.

(5) A portable device may fail to follow the requirements of subsection A and E if construction contract is entered into, or the device is certified, prior to 1 January 2016.

§ 8. UV systems
(1) UV systems should have

A)
sufficient treatment capacity at maximum consumption and the poorest water quality, cf. § 2 subsection c

B)
hour meter

C)
intensimeter

D)
signal lamps for each UV jet

E)
solenoid valve that closes the water flow if the alarm or power outage.

(2) UV systems will be on NIPH list biodosimetrisk tested UV systems.

(3) A portable device may fail to follow the requirements in the second paragraph until replacement of the UV facility if the facility has been certified before 1 January 2010.

§ 9. alkalization In alkalization it should be possible for

A)
adequately backflush filter

B)
easy access to internal maintenance, and replacement of the filter material.

§ 10. Stir in the potable water system
(1) Stir in the potable water system shall

A)
clearly marked "Drinking / Potable Water"

B)
laid in open channel (tube-in-tube) when they passed through second thoughts.

(2) The distribution network shall be designed so that

A)
water temperatures between 20 ° C and 60 ° C prevented

B)
water rate of circulation pipes is at most 0.7 m / s

C)
amount of water become stagnant over time is minimized.

(3) Pipes without circulation shall be designed in accordance with EN 806-3 on requirements for drinking water installations in buildings, Part 3: Dimensioning of pipes - Simplified method. A mobile unit can fail to follow this requirement if the construction contract is entered into, or the device is certified, prior to 1 January 2016.

(4) There should be no blindrør in the potable water system.

(5) Stir in the potable water system shall be protected against contamination by backflow. Technical barriers to protect drinking water shall be in accordance with EN 1717 for protection against pollution of potable water in water installations and general requirements for equipment to prevent pollution by backflow section 5.8 Table 2.

§ 11. Seawater Intake
(1) Seawater Intake of drinking water should be placed so that the possibilities of influence of the facility's emissions are minimized. On several intake should intake at any one time is most beneficial out of power and pollution conditions used.

(2) For units with a construction contract entered into after 1 January 2016, the intake of sea water used in drinking water production, be separated from the intake of cooling water for machinery, and water intake should be physically locked when the facility is located in coastal areas, ports or other places where the sea water may be contaminated.

§ 12. The bunkering station
(1) bunkering station should be shut-off valve. Between shutoff valve and hose connection should be water sample faucet and flush valve.


(2) The flush valve should be easily accessible and have the same capacity as bunkering pipe.

(3) A portable device without water production plant shall have at least two bunkering stations.

§ 13. Bunkering Bunkering Documentation shall be documented. The documentation shall contain information on

A)
supply vessel and the vessel has added chlorine to the water

B)
waterworks used in the country and the Water normal value for conductivity

C)
color, smell, taste, clarity, conductivity and pH of each tank vessel delivers water from

D)
flow bunkered

E)
amount of chlorine added

F)
chlorine readings from each tank is being bunkered water. Measurements should be taken at least 30 minutes after bunkering, and residual chlorine value should be above 0.05 mg / l Cl₂.

§ 14. Measuring A mobile installation shall have equipment on board that can measure the conductivity (salinity), pH, color and chlorine content.

§ 15. Cleaning of tanks, pumps and piping
(1) Tanks, pumps and pipe systems for drinking water should be kept clean inside.

(2) The potable water system must be cleaned and disinfected before the device leaves the yard, then at least once. years, and for repair of potable water system.

(3) Stagnant water should be flushed weekly with full pressure.

(4) Shower heads and hoses must be cleaned and disinfected at least quarterly.

Chapter 4. Final provisions

§ 16. Exemption
(1) The Administration may exempt a mobile device from one or more of the requirements of the regulations when shipping company seeking written exceptions and one of the following requirements are met:

A)
It is proved that the claim is not significant and that the exemption is considered safely.

B)
It is proved that the compensatory measures will maintain the same level of safety as required in the regulations.

C)
It is proved that the requirement hinders the development and use of innovative solutions when the solution will maintain the same level of safety as required in the regulations.

(2) Opinion of safety representatives to attach an application for exemption.

§ 17. Transitional provision Mobile units can as an alternative to § 2 to § 15 follow Annex I until the next certificate issue if construction contract is entered into, or the device is certified, prior to 1 January 2016.

§ 18. Entry into force This regulation enters into force on 1 January 2016. From the same date, the Regulations on 4 September 1987. 860 concerning potable water system and potable water supply on mobile offshore units.

Annex I

(With reference to § 17 of the regulations, contains Annex I extract from Regulations 4 September 1987 No.. 860 concerning potable water system and potable water supply on mobile offshore units. 1987 regulation was repealed on 1 January 2016. The numbering of Annex I corresponds to paragraph numbers in the repealed Regulations).
6. Requirements to quantity and quality
Drinking water shall be available in sufficient quantity, be hygienically satisfactory and moreover be clear, without odor, taste and color, and meet the prevailing quality standards set by the Health Ministry or whoever is authorized.
7. Drinking water sourced from countries

1.
For facilities on the Norwegian shelf drinking water derived from land taken only from tap points associated waterworks which is officially recognized and delivers water in accordance with applicable quality standards.

2.
Drinking water derived from land and comes from a supply vessel be chlorinated during transfer to the facility's storage tanks.

8. Drinking water produced from seawater

1.
Taking seawater for producing drinking water should not take place when there is reason to fear that the sea water is particularly polluted. All harbors all over the world considered to be especially contaminated.

2.
From plant producing fresh water by distillation, is allowed a maximum salt content of 30 ppm, corresponding to a specific electric conductivity of 6 m S / m at 25 ° C at the outlet from the evaporator. From plant producing fresh water by reverse osmosis, allowed a maximum of 200 ppm chloride, and 130 ppm sodium, equivalent specific electric conductivity of 75 m S / m at 25 ° C at the outlet from the osmosis plant.

3.
Chemicals desired used for desalination plants must be certified.

9. Requirements for further treatment
All drinking water should be disinfected as drinking water goes to consumption. Additives (treatment chemicals) for drinking water must be certified.
10. Control of drinking water aboard

1.
It shall at least once a day is monitoring of the entire potable water system is functioning satisfactorily, and the result of the inspection shall be kept in a separate operation journal.

2.

If UV lamps are used to disinfect drinking water, will also control lamps life recorded in the journal.

3.
The company shall ensure that at least one person on board is professionally qualified to carry out the above control of drinking water.

11. Equipment and design

1.
The following requirements apply to the design and operation of potable water systems:

A)
it calculated a consumption of at least 200 liters of drinking water per. person pr. day,

B)
there should always be a drinking water reserve equivalent to at least 2 days' consumption,

C)
there should be at least 2 separate storage tanks,

D)
it should be separated from other fluid systems on board the broken connection, double check valves or equivalent solutions,

E)
it should be protected from frost and heat, and withstand the drinking water quality that the system is designed,

F)
it should include a fixed plant for the chlorination of drinking water supplied from the supply vessel. Chlorine dosing point should be located on the tank the fuel feed or recirculation,

G)
it must be possible to mix in extra chlorine if water analyzes show that this is necessary,

H)
materials that come in contact with drinking water, will not leach into the water in such quantities that it can be hazardous to health or unsuitable for drinking. Protective Coatings (paints) shall be certified,

I)
there should be sampling points that make it possible to track water quality changes through the system,

J)
in the outflow of water from any desalination plant, there should be a salinometer providing alarm and switch the water supply to the potable water system at high salinity,

K)
where UV systems are used, the UV facility have adequate disinfection capacity at maximum water supply. UV plant will also have an hour counter, intensimeter, signal lamps for each UV tube and solenoid valve that closes the water flow if the alarm or power failure,

L)
where alkalization used, it should be possible for sufficient backwash filter, and easy access to filter maintenance and replacement of the filter material, and

M)
water should keep at least 65 ° C from the heater. Additives optionally heating medium must be certified.

2.
Following requirements apply to potable water tanks

A)
they shall not have common walls with other tanks where oil products, liquid chemicals etc.. recognized,

B)
if pipes that do not lead drinking water, must be passed through potable water tanks, they shall be in the open channel,

C)
they shall be provided with an opening for access to inspection and cleaning. The openings shall be tight manhole covers and be positioned so that inspection and cleaning to take place while the facility is in operation,

D)
properly arranged drainage opportunities so mind readily drain completely,

E)
sounding pipes and filling tube shall have a height above the deck or tank top at least 300 mm and have a lid. The lid must be attached to the pipe with a chain so that the lid can not get in touch with door / deck or tank top, and

F)
they must have adequate venting. Air pipes shall be designed so that seawater penetrates. The opening should be covered with a dense network of corrosion resistant material.

3.
Following requirements apply to pipes in drinking water systems:

A)
if pipes carrying drinking water must be passed through second thoughts, they will be in open channel,

B)
pipes shall be clearly marked "Drinking / Potable Water" and painted or marked in blue,

C)
tapping point connected outside the living quarters shall be secured against backflow or equal protection, and

D)
by association with machining equipment (eg washing machines), the drinking water system must be protected from suck-back / stroke.

4.
Seawater Intake

When preparing drinking water from sea water should be at least two alternative seawater intake. Inlets should be positioned so that the possibilities of influence of emissions from the facility will be minimized and to be able to benefit from the intake at any given time is favorable in relation to the power and pollution conditions. Withdrawals from seawater conduit for desalination plant will have non-return valve.

5.
Bunkering station

The bunkering station should be shut-off valve. Between shutoff valve and hose connection, there should be water sample faucet and flush valve. The flush valve should be easily accessible and have appropriate design and have a diameter corresponding to the capacity of the refueling pipe.

6.
Measuring

On board there should be laboratory equipment to measure electrical conductivity (salinity), pH and chlorine content.
12. Cleaning of tanks, pumps and piping

Tanks, pumps and pipe systems for drinking water must always be kept clean inside all tap points. Cleaning and disinfection of the entire potable water system shall be made before the device leaves the yard, after repairs, and then at least once. year.