SIST DIN 19643-1:2003
(Main)Treatment of the water of swimming-pools and baths - Part 1: General requirements
Treatment of the water of swimming-pools and baths - Part 1: General requirements
Priprava bazenske vode za plavalne in kopalne bazene - 1. del: Splošne zahteve
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST DIN 19643-1:2003
01-maj-2003
Priprava bazenske vode za plavalne in kopalne bazene - 1. del: Splošne zahteve
Treatment of the water of swimming-pools and baths - Part 1: General requirements
Ta slovenski standard je istoveten z:
ICS:
13.060.25 Voda za industrijsko uporabo Water for industrial use
SIST DIN 19643-1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST DIN 19643-1:2003
DEUTSCHE NORM April 1997
Treatment and disinfection of water used
{
in bathing facilities
19643-1
Part 1: General requirements
ICS 13.060.30 Supersedes DIN V 19644,
May 1986 edition, and parts
of DIN 19643, April 1984
Descriptors: Water treatment, bathing facilities, water quality,
edition.
disinfection, requirements.
Aufbereitung von Schwimm- und Badebeckenwasser –
Teil 1: Allgemeine Anforderungen
In keeping with current practice in standards published by the International Organization for Standardization
(ISO), a comma has been used throughout as the decimal marker.
Contents
Page
Page
8 Rated pollution load and flow . . . . . . . . . . . 10
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
9 Hydraulic system . . . . . . . . . . . . . . . . . . . . . 13
1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
10 Water treatment system . . . . . . . . . . . . . . . 14
2 Normative references . . . . . . . . . . . . . . . . . . . . 2
11 Disinfection . . . . . . . . . . . . . . . . . . . . . . . . . 17
3 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
12 Combined methods for water treatment . . 19
4 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
13 Operation of bathing facilities . . . . . . . . . . 19
5 Water quality requirements . . . . . . . . . . . . . . . 5
14 Monitoring water quality during
6 Design and structural requirements . . . . . . . . 7
operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7 Requirements for baths and pools . . . . . . . . . 8
15 Acceptance . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Foreword
This standard has been prepared by Technical Committee IV 13 of the Normenausschuß Wasserwesen
(Water Practice Standards Committee).
This revision of DIN 19643 is in response to article 11 of the Bundesseuchengesetz (German Federal Com-
municable Diseases Act) which deals with water for swimming pools and public baths. The Legionella
pneumophila and trihalomethane (haloform) values specified in the regulation which implements this article
(the Schwimm- und Badebeckenwasserverordnung (German Regulation on water used in bathing facili-
ties)*)) have been incorporated into the present standard.
At the same time, the standard was divided into several parts: The present part specifies general require-
ments, while subsequent parts deal with different combinations of water treatment methods. Additional
parts can now be added to the series as the state of the art develops.
To ensure proper application of this standard, water treatment systems should be designed, built and
monitored only by experienced specialists. Attention is drawn to DVGW-Arbeitsblätter (DVGW Codes of
practice) W 200 and W 201, which specify procedures for certifying water treatment experts.
Amendments
This standard differs from DIN 19643, April 1984 edition, and DIN V 19644, May 1986 edition, as follows:
a) The standard now consists of four parts.
b) The standard takes into account the stipulations of the Schwimm- und Badebeckenwasserver-
ordnung.
c) The scope of the standard has been extended to include hot whirlpool baths.
d) The standard has been brought in line with the state of the art.
Previous editions
DIN 19643: 1984-04; DIN V 19644: 1986-05.
*) Currently at draft stage.
Continued on pages 2 to 26.
Translation by DIN-Sprachendienst.
In case of doubt, the German-language original should be consulted as the authoritative text.
© No part of this translation may be reproduced without the prior permission of
Ref. No. DIN 19643-1 : 1997-04
DIN Deutsches Institut für Normung e. V., Berlin.
English price group 13 Sales No. 0113
Beuth Verlag GmbH, D-10772 Berlin, has the exclusive right of sale for German Standards (DIN-Normen).
11.99
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1 Scope
This standard covers water, including seawater, mineral water, spa water, brine (including artificial brine) and
thermal water used in all types of bathing facility, including hot whirlpool baths; it does not apply to water in
domestic baths.
The purpose of this standard is to ensure a consistently high quality of bath or pool water in terms of hygiene,
1
safety and appearance, in order to prevent damage to human health, particularly as a result of pathogens ).
At the same time, account is also to be taken of the well-being of the bathers (e.g. by minimizing the side effects
caused by disinfectants).
To this end, requirements are specified for water quality, water treatment, and the construction, operation and
monitoring of bathing facilities.
2 Normative references
This standard incorporates, by dated or undated reference, provisions from other publications. These norma-
tive references are cited at the appropriate places in the text, and the titles of the publications are listed below.
For dated references, subsequent amendments to or revisions of any of these publications apply to this
standard only when incorporated in it by amendment or revision. For undated references, the latest edition of
the publication referred to applies.
DIN 1045 Structural use of concrete – Design and construction
DIN 1626 Welded, circular, unalloyed steel tubes subject to special requirements – Technical delivery
conditions
DIN 1629 Seamless, circular, unalloyed steel tubes subject to special requirements – Technical delivery
conditions
DIN 1988-1 Drinking water supply systems – General (DVGW Code of practice)
DIN 1988-2 Drinking water supply systems – Materials, components, appliances, design and installa-
tion (DVGW Code of practice)
Supplement 1 to
DIN 1988-2 Drinking water supply systems – Summary of standards and other technical rules relating
to materials, components and appliances (DVGW Code of practice)
DIN 1988-3 Drinking water supply systems – Pipe sizing (DVGW Code of practice)
DIN 1988-4 Drinking water supply systems – Protection of drinking water and drinking water quality
control (DVGW Code of practice)
DIN 1988-5 Drinking water supply systems – Pressure boosting and reduction (DVGW Code of practice)
DIN 1988-6 Drinking water supply systems – Fire fighting and fire protection installations (DVGW Code
of practice)
DIN 1988-7 Drinking water supply systems – Measures to prevent corrosion and scale formation (DVGW
Code of practice)
DIN 1988-8 Drinking water supply systems – Operation (DVGW Code of practice)
DIN 2448 Seamless steel pipes and tubes – Dimensions and mass per unit length
DIN 2458 Welded steel pipes and tubes – Dimensions and mass per unit length
DIN 2605-1 Steel butt-welding pipe fittings – Elbows and bends with reduced pressure factor
DIN 2605-2 Steel butt-welding pipe fittings – Elbows and bends for use at full service pressure
DIN 2632 PN 10 welding neck flanges
DIN 4046 Water supply – Terminology (DVGW Code of practice)
DIN 4109 Sound insulation in buildings – Requirements and testing
DIN 8061 Unplasticized polyvinyl chloride (PVC-U) pipes – General quality requirements and testing
DIN 8062 Unplasticized polyvinyl chloride (PVC-U, PVC-HI) pipes – Dimensions
DIN 8074 High-density polyethylene (HDPE) pipes – Dimensions
DIN 8077 Polypropylene (PP) pipes – Dimensions
DIN 8078 Types 1 to 3 polypropylene (PP) pipes – General quality requirements and testing
DIN 17440 Technical delivery conditions for stainless steel plate, hot rolled strip, and bars for pressure
purposes, drawn wire and forgings
DIN 19532 Unplasticized polyvinyl chloride (PVC-U) pipes for drinking water supply systems – Pipes,
fittings and pipe joint assemblies (DVGW Code of practice)
DIN 19605 Fixed-bed filters for water treatment – Design and components
DIN 19606 Chlorine feed systems for use in water treatment – Design and operation
DIN 19624 Precoat filters for water treatment
1
) See article 11 of the Bundesseuchengesetz.
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DIN 19627 Ozone generators for use in water treatment
DIN 19643-2 Treatment and disinfection of water for bathing facilities – Combined adsorption, coagu-
lation, filtration and chlorination method
DIN 19643-3 Treatment and disinfection of water for bathing facilities – Combined coagulation, filtra-
tion, ozonization, sorption filtration and chlorination method
DIN 28051 Design of metallic components designed to receive organic coatings and linings for use
in process engineering
DIN 28055-2 Organic linings for application to metallic components for use in process engineering –
Testing
DIN 30675-1 External corrosion protection of buried pipes – Corrosion protection systems for steel
pipes
DIN 30676 Design and application of cathodic corrosion protection of external surfaces
DIN 38402-19 German standard methods for the examination of water, waste water and sludge –
General information (group A) – Sampling of water used in bathing facilities (A 19)
DIN 38404-5 German standard methods for the examination of water, waste water and sludge –
Physical and physicochemical parameters (group C) – Determination of pH value (C 5)
DIN 50927 Design and application of electrochemical corrosion protection of the internal surfaces
of vessels, containers and pipes
DIN EN 900 Chemicals used for treatment of water intended for human consumption – Calcium
hyperchlorite for treating water for human consumption*)
DIN EN 901 Chemicals used for treatment of water intended for human consumption – Sodium
hyperchlorite for treating water for human consumption*)
DIN EN 937 Chemicals used for treatment of water intended for human consumption – Chlorine
DIN EN 1069-1 Water slides with a height of 2 m and over – Safety requirements and testing methods
DIN EN 1069-2 Water slides with a height of 2 m and over – Instructions
DIN EN 27027 Water quality – Determination of turbidity (ISO 7027 : 1990)
DIN EN ISO 12944-3 Corrosion protection of steel structures by protective paint systems – Part 3: Design
considerations (ISO 12944-3 : 1998)
DIN EN ISO 12944-4 Corrosion protection of steel structures by protective paint systems – Part 4: Types of
surface and surface preparation (ISO 12944-4 : 1998)
ISO 6107-1 : 1996 Water quality – Vocabulary – Part 1
ISO 10523 : 1994 Water quality – Determination of pH
AD-Merkblätter (AD Instruction sheets)**)
AD-Merkblatt B 1 Zylinder- und Kugelschalen unter innerem Überdruck (Pressurized cylinders and spheres)
AD-Merkblatt B 3 Gewölbte Böden unter innerem und äußerem Überdruck (Vessel dished ends subject to
internal or external pressure)
DVGW-Arbeitsblätter (DVGW Codes of practice)***)
DVGW-Arbeitsblatt W 200 Zertifizierung von Unternehmen für Wasseraufbereitungsanlagen – Anforderungen
und Prüfung (Certification of water treatment plant manufacturers – Requirements and testing)
DVGW-Arbeitsblatt W 201 Zertifizierung von DVGW-Sachverständigen für Wasseraufbereitung – Anforde-
rungen und Prüfung (Certification of DVGW experts for water treatment – Requirements and testing)
DVGW-Arbeitsblatt W 270 Vermehrung von Mikroorganismen auf Materialien für den Trinkwasser-Bereich;
Prüfung und Bewertung (Microbial growth on materials in contact with drinking water – Testing and evaluation)
DGB-Merkblätter (DGB Codes of practice)****)
DGB-Merkblatt 60.03 Sicherung von Abflußleitungen gegen Andruckkräfte (Protection of drainage pipes
against external forces)
DGB-Merkblatt 65.04 Funktionsprüfung von Anlagen zur Aufbereitung und Desinfektion von Schwimm- und
Badebeckenwasser (Testing of plants for the treatment and disinfection of water used in bathing facilities)
DGB-Merkblatt 65.06 Wasserspeicher und Überlaufrinne (Water balancing tanks and overflows)
*) Currently at draft stage.
**) Obtainable from Beuth Verlag GmbH, D-10772 Berlin.
***) Obtainable from Wirtschafts- und Verlagsgesellschaft Gas und Wasser mbH, Postfach 14 01 51,
D-53056 Bonn.
****) Issued by the Deutsche Gesellschaft für das Badewesen e.V. (German Association for Balneology).
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Empfehlungen des Bundesgesundheitsamtes zur Eignungsprüfung für Kunststoffmaterialien im Schwimm- und
Badebeckenbereich (Recommendations of the German Federal Health Office on testing the suitability of plas-
tics to be used in bathing facilities), Bundesgesundheitsblatt (German Federal Health Gazette), 1998 : 10,
p. 464*)
GUV Publication 18.14 Sicherheitsregeln für Bäder (Safety rules for bathing facilities)*)
Unfallverhütungsvorschrift Chlorung von Wasser (German Accident prevention regulation on the chlorination of
water)**)
Bundesseuchengesetz (German Federal Communicable Diseases Act), as of 18 December 1979, BGBl.I,
p. 2262–81
Schwimm- und Badebeckenwasserverordnung (German Regulation on water used in bathing facilities)
Gefahrstoffverordnung (German Regulation on dangerous substances and materials), as of 26 August 1986,
BGBl. (German Federal Law Gazette) I, pp. 1470–1487, as amended on 24 June and 19 September 1994
[1] Seidel, K. M., Lopez Pila, J. M. and Grohmann, A., Disinfection capability in water for swimming and bathing
pools: A simple method for their evaluation in practice. Issued by the Institut für Wasser-, Boden- und
Lufthygiene des Umweltbundesamtes, Postfach 33 00 22, D-14191 Berlin.
[2] Unfallverhütungsvorschrift Gase (German Accident prevention regulation on gases) (VBG 61)**)
[3] Richtlinie für die Verwendung von Ozon zur Wasseraufbereitung (Guidelines for the use of ozone for water
treatment)**).
[4] Zuppke, B. Hydromechanik im Bauwesen (Hydromechanics in building construction). Wiesbaden and
Berlin: Bauverlag GmbH.
3 General
The specifications of this standard ensure that a balance is maintained between the purification and contami-
nation of water, while at the same time taking complicated transportation processes into consideration. Micro-
organisms introduced by bathers and from the environment are killed by adding an oxidizing disinfectant. The
level of disinfection specified here involves a reduction of Pseudomonas aeruginosa by a factor of ten to the
power of four within 30 seconds [1].
No more than the required concentration of disinfectants is permitted in the pool water.
Water treatment is necessary to remove microorganisms, dissolved or colloidal organic impurities introduced
by the bathers, and other impurities introduced from the environment, such as dust. For this purpose, different
combinations of processes such as coagulation, filtration, oxidation, adsorption and disinfection are carried
out, whereby only those substances specified in this standard may be added. To meet environmental protection
requirements, the use of chemicals shall be considered with regard to their type, quality and quantity.
The Gefahrstoffverordnung requires suppliers to provide product and safety data sheets containing all relevant
information on the chemicals and preparations used, and the operator is required to draw up operating instruc-
tions.
The specified water flow through the pool or bath ensures that disinfectants are distributed and an adequate
disinfectant level is maintained at all points, especially at the water’s surface. Furthermore, microorganisms,
impurities and pollutants are removed during treatment. The concentration of substances which cannot be
removed by treatment are kept within reasonable limits by means of water exchange.
The water treatment methods and water flows specified here help maintain a high quality of bath or pool water,
and ensure that the bathing facility meets the relevant hygiene requirements.
4 Concepts
Table 1: Concepts
No. Term Definition
4.1 Water treatment Treatment of water to ensure its quality is appropriate for its intended
use and that it meets certain requirements.
4.2 Effectiveness of The effectiveness of water treatment is determined by using potassium
water treatment permanganate to check the oxidizability of the raw water and that of the
treated water, assuming the microbiological, physical and chemical
requirements are met.
4.3 Pool flow The flow in the pool due to the supply and removal of water. This flow
initiates mixing and transport processes which ensure the disinfectant is
distributed throughout the pool water and the pollutants are discharged.
(continued)
*) Obtainable from Carl Heymanns Verlag KG, Luxemburger Straße 449, D-50939 Köln.
**) Issued by the Hauptverband der gewerblichen Berufsgenossenschaften e.V. (Federation of German indus-
trial employers’ liability insurance associations), D-53757 St. Augustin.
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Table 1 (concluded)
No. Term Definition
4.4 Pool water The water in the swimming or bathing pool.
4.5 Load capacity factor, k Ratio of rated pollution load to volumetric flow.
4.6 Disinfection Killing certain microorganisms by means of oxidizing disinfectants.
4.7 Filtrate Treated water before disinfectant is added.
4.8 Filling water The water used for the initial filling and for topping up.
4.9 Auxiliary parameters Free chlorine, combined chlorine, oxygen reduction potential, pH value
and, for water containing bromides and iodides, free and combined
halogens.
4.10 Rated pollution load, N The number of bathers per hour, used as a basis for the design of pools.
It is equal to the product of the load capacity factor and the flow.
4.11 Water area per person, a The theoretical water surface area assigned to an individual.
4.12 Specific frequency, n Bather turnover per hour.
4.13 Supply water*) Water treated by adding an oxidizing disinfectant.
4.14 Retention Delay in the removal of pollutants from the pool.
4.15 Raw water The water fed to the treatment plant.
4.16 Sludge liquor The water resulting from backwashing filters.
4.17 Swell water Pool water flowing into the overflow as a result of disturbance of the
water surface.
4.18 Pool or bath Basin with a continuous flow of water in which several people are
present either simultaneously or consecutively.
4.19 Swimming or bathing Totality of pools and baths, their fittings, and the technical facilities for
facility treating the pool or bath water.
4.20 Backwashing water The water used to backwash filters.
4.21 Overflow water Portion of water being constantly discharged over the edge of the pool.
4.22 Combined method A combination of water treatment and disinfection processes.
4.23 Flow, Q Volume of water flowing through a certain cross section per unit time.
4.24 Pollutants The inorganic and organic substances and microorganisms which enter
the pool water.
*) Term as defined in ISO 6107-1.
5 Water quality requirements
5.1 General
The methods specified in the standards entitled ‘German standard methods for the examination of water, waste
water and sludge’ (DIN 384. series) shall be used where applicable to determine the parameters which char-
acterize water quality. These methods should also be used for reference purposes for the in-house monitoring
of water quality.
In some cases, other methods of examination are applicable for sea and mineral water.
Sampling shall be carried out in accordance with DIN 38402-19.
5.2 Filling water requirements
The filling water shall meet the general health requirements laid down for drinking water. In the case of sea water
and brine, the natural salt content is considered to be harmless, while in the case of water in officially recognized
spa resorts, other natural constituents are also regarded as being acceptable. Substances which interfere with
the water treatment shall be removed in separate plants. In some cases, the water should be treated in a
separate plant, especially if the filling water contains higher than usual concentrations of humic substances or
the following values are exceeded:
3
iron: 0,1 mg/l (1,8 mmol/m );
3
manganese: 0,05 mg/l (0,9 mmol/m );
3
ammonium: 2 mg/l (110 mmol/m );
3
polyphosphate as phosphorus: 0,005 mg/l (0,16 mmol/m ).
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5.3 Treated water and bath or pool water requirements
Table 2: Summary of requirements
Treated water Pool water
Parameter
Subclause Unit
Maxi- Mini- Maxi-
Mini-
mum mum mum mum
5.3.1 Microbiological requirements
Pseudomonas aeruginosa at (36 t 1) °C n.d. n.d.
n.d.
n.d.
Escherichia coli at (36 t 1) °C
n.d.
Legionella pneumophila at (36 t 1) °C
n.d.
Colony-forming units (CFU) at (20 t 2) °C
Colony-forming units (CFU) at (36 t 1) °C
Physical and chemical requirements
5.3.2
Colour (based on spectral absorption coeffi-
cient at l = 436 nm)
Turbidity (to be measured as in
DIN EN 27027)
Clear view of the
Water clarity
bottom of the
entire pool or
bath
6
pH value )
Fresh water
Sea water
Nitrate concentration above that of filling
7
water )
Oxidizability of Mn VII a II above that of filling
8
water, expressed as O content )
2
KMnO consumption above that of filling water,
4
8
expressed as KMnO content )
4
9
Redox potential ) against Ag/AgCl 3,5 m KCl
in fresh water
a) for pH from 6,5 to 7,3
b) for pH from 7,3 to 7,6
in sea water
a) for pH from 6,5 to 7,3
b) for pH from 7,3 to 7,8
9
Limits to be
Redox potential ) for water containing more
determined
than 5 000 mg/l chloride and for water contain-
experimentally
ing more than 0,5 mg/l bromide or iodide
6 14
Free chlorine ), )
As
a) Pools other than hot whirlpool baths
required
b) Hot whirlpool baths
11 13 14
Combined chlorine ), ), )
11 13
Haloforms, expressed as chloroform content ), )
See page 7 for footnotes.
(continued)
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Table 2 (concluded)
2
) n.d. – not detectable.
3
) In filtrate at a bath or pool water temperature of 23 °C or higher.
4
) Applies to water for hot whirlpool baths, pools with air-injection systems (e.g. jacuzzi), and any other water
that has a temperature of 23 °C or higher.
5
) FNU: formazine nephelometric unit.
6
) More stringent requirements may be specified in other parts of the DIN 19643 standards series.
7
) Not applicable to pool water treated with ozone.
8
) If the oxidizability of the filtrate is less than that of the filling water for an unoccupied pool, this lower value
shall be used as the reference value; if, however, the oxidizability of the filling water is less than 0,5 mg/l O or
2
less than 2 mg/l KMnO , these values shall be used as reference values. If treatment with ozone is involved,
4
the values shall be doubled.
9
) A stationary measuring instrument and recorder capable of being read to an accuracy of 20 mV and of
continuous measurement shall be installed to measure the redox potential. If the values drop below the limit
value (around 50 mV), the operation of the treatment plant shall be checked. When reporting measurements,
the reference electrode or the conversion made shall be stated.
10
) These concentrations only apply if lower values are not specified for the combined methods described in the
other standards of the DIN 19643 series. Under certain operating conditions, higher concentrations may be
necessary to meet the microbiological requirements. In such cases, the cause of this need shall be investigated
and a remedy provided. The concentrations of free chlorine in the pool water shall not, however, exceed
1,2 mg/l.
11
) Existing systems that do not meet these requirements should be retrofitted within five years following pub-
lication of this standard.
12
) Higher concentrations are permitted in outdoor facilities due to the higher level of chlorination needed to meet
health requirements.
13 3
) Does not apply to cold-water plunge pools with a volume of 2 m or less and which have a continuous filling
water flow.
14
) In the case of water containing bromides and iodides, free and combined bromine or iodine shall be expressed
as chlorine.
6 Design and structural requirements
6.1 General
The design and construction of the facility shall ensure the correct functioning of the plant and the maintenance
of the required water quality. This will mean close cooperation between the architect and specialist engineer.
Reference is made here to the relevant regulations (e.g. Länder building regulations, regulations on the dis-
charge of waste water, local bye-laws, health authority requirements).
The requirements set out here apply only to baths or pools designed to this standard.
6.2 Pool or bath design
Pools and baths shall be designed in such a manner that all hydraulic requirements are met.
6.3 Water balancing tanks
Water balancing tanks should be closed or covered, vented and have an overflow. They shall be capable of
being completely drained and shall be accessible for cleaning. They should be situated below the water level
in the bath or pool so that adequate gradients can be provided for the inlet pipes.
6.4 Contact surfaces
Materials which come into contact with water (e.g. pool linings, pool covers, water slides and similar equipment,
mortar joints and sealing compounds) shall not affect the water quality as specified in table 2 and shall not
undergo any physicochemical reaction with the water or permit the growth of microorganisms and
phytoplankton, nor shall they impede water treatment. The use of coverings made of wood or textiles of all kinds
(including plastic turfs) is not permitted (cf. Empfehlungen des Bundesgesundheitsamtes zur Eignungsprüfung
für Kunststoffmaterialien im Schwimm- und Badebeckenbereich).
6.5 Technical equipment rooms
6.5.1 General
Since the size and furnishing of these rooms affect the economic operation of the bathing facility, it is crucial
that they be designed taking the operational needs of the facility into consideration.
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Sufficiently large access openings, haul routes and entrances both to and within the building will be necessary
for installation, repair and maintenance purposes. Machinery shall be protected against frost damage, espe-
cially in outdoor pools.
Equipment rooms shall be adequately ventilated and floor drains shall be arranged in accordance with the
requirements of the treatment and disinfection procedure. The room lighting shall be designed taking into
account the needs of the plant personnel. All relevant safety regulations (including GUV Publication 18.14) shall
be observed, especially with regard to escape routes and emergency lighting.
6.5.2 Room for filter system
The floor area and clear room height required for setting up and assembling the filter system shall be designed
to suit the chosen filter type, allowance being made for the working space required for maintenance and
inspection.
In the case of cylindrical casings for DIN 19605 filters, which have a height of 2 m, the necessary clear room
height is to be calculated by equation (1), as follows:
H = 0,6 D + 2,9 (1)
where
H is the clear room height, in m;
D is the casing diameter, in m.
Higher casings will require greater room heights.
A clearance of 60 cm from other installations shall be maintained above the casing. Steel casings shall be
accessible from all sides so that a protective coating can be applied. Working space shall be provided for staff
and their equipment alongside the filter so that filter material can be installed and removed.
In the case of DIN 19624 filters, the necessary room height, including the space required for maintenance above
the casing, is given by equation (2):
H = f . D + 3,1 (2)
where
f is a factor which is
0,7 for D from 0,75 m to 1,6 m and
0,4 for D above 1,6 m up to 2,3 m.
For H and D, see equation (1).
The space provided for pumps, pipework and valves for connecting filter casings to the supply system shall be
in keeping with an optimal hydraulic design.
Open filters shall be separated from other equipment rooms (e.g. by glass walls).
6.5.3 Chemical feeder room
Sufficient space shall be provided next to the room in which the filter system is installed for setting up the
chemical feeders and for storing the chemicals and ancillary equipment.
6.5.4 Disinfection equipment and ozone generator rooms
Disinfection equipment and ozone generator rooms shall meet the requirements of DIN 19627, the Unfall-
verhütungsvorschrift Gase [2], and the Richtlinie für die Verwendung von Ozon zur Wasseraufbereitung [3].
6.5.5 Monitoring equipment room
2
A room having a floor area of at least 6 m with a water supply and a laboratory sink shall be provided for the
in-house monitoring of the operation of the whole system.
6.5.6 Repairs workshop
A room shall be provided for carrying out maintenance and repair work and for storing spare parts.
7 Requirements for baths and pools
7.1 General
The requirements set out here apply only to baths or pools designed to this standard.
Unless otherwise specified in the clauses below, the pool water temperature shall not exceed 32 °C.
7.2 Diving pools
Diving pools shall have a water depth of at least 3,4 m.
7.3 Swimming pools
Swimming pools shall have a water depth of more than 1,35 m.
NormCD Stand 2004-03
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SIST DIN 19643-1:2003
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DIN 19643-1 : 199
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