SIST EN 12616:2023
(Main)Surfaces for sports areas - Test methods for the determination of vertical water infiltration and horizontal water flow rates
Surfaces for sports areas - Test methods for the determination of vertical water infiltration and horizontal water flow rates
This European Standard has two parts.
Part 1 specifies four methods for the determination of the vertical water infiltration rate of different types of sports surfacing.
Method A is suitable for measuring the vertical water infiltration rate of synthetic, textile and synthetic turf sports surfaces in the laboratory.
Method B is suitable for on-site measurements of the Vertical Water Infiltration Rate of synthetic, textile, synthetic turf and bound mineral sports surfaces.
Method C is suitable for on-site measurements of the vertical water infiltration rate of natural turf sports surfaces.
Method D is suitable for measuring the for on-site measurements of the vertical water infiltration rate of unbound mineral sports surfaces.
NOTE For filled synthetic turf and unbound mineral surfaces, laboratory tests are considered to give a more precise indication of how a surface will perform.
Part 2 specifies a method for determining the horizontal water flow rate of synthetic, textile and synthetic turf surfaces in the laboratory.
Sportböden - Prüfverfahren zur Bestimmung der vertikalen Wasserinfiltrationsrate und der horizontalen Wasserdurchflussrate
Diese Europäische Norm besteht aus zwei Teilen.
Teil 1 legt vier Verfahren zur Bestimmung der vertikalen Wasserinfiltrationsrate verschiedener Arten von Sportböden fest.
Verfahren A ist für die Messung der vertikalen Wasserinfiltrationsrate von Sportböden mit Flächen aus Kunststoff, textilen Belägen und Kunststoffrasen im Labor anwendbar.
Verfahren B ist für die Messung der vertikalen Wasserinfiltrationsrate von Sportböden mit Flächen aus Kunststoff, textilen Belägen, Kunststoffrasen und gebundenen mineralischen Materialien vor Ort anwendbar.
Verfahren C ist für die Messung der vertikalen Wasserinfiltrationsrate von Sportböden mit Flächen aus Naturrasen vor Ort anwendbar.
Verfahren D ist für die Messung der vertikalen Wasserinfiltrationsrate von Sportböden mit Flächen aus ungebundenen mineralischen Materialien vor Ort anwendbar.
ANMERKUNG In einem Laboratorium durchgeführte Prüfungen an gefüllten Kunststoffrasenflächen und an Flächen aus ungebundenen mineralischen Materialien ergeben eine präzisere Aussage darüber, wie sich eine derartige Fläche verhalten wird.
Teil 2 legt ein Verfahren für die Bestimmung der horizontalen Wasserdurchflussrate von Sportböden mit Flächen aus Kunststoff, textilen Belägen und Kunststoffrasen im Labor fest.
Sols sportifs - Méthodes d’essai pour la détermination de la vitesse d’infiltration verticale de l’eau et du débit d’eau horizontal
La présente norme européenne comporte deux parties.
La partie 1 spécifie quatre méthodes visant à déterminer la vitesse d’infiltration verticale de l’eau qui caractérise différents types de revêtements sportifs.
La méthode A est applicable pour mesurer la vitesse d’infiltration verticale de l’eau lors d'essais en laboratoire sur sols sportifs en matériaux synthétiques, en textiles et en gazon synthétique.
La méthode B est applicable pour les mesurages de la vitesse d’infiltration verticale de l’eau lors d'essais in situ sur sols sportifs en matériaux synthétiques, en textiles, en gazon synthétique et en matériaux minéraux liés.
La méthode C est applicable pour les mesurages de la vitesse d’infiltration verticale de l’eau lors d'essais in situ sur sols sportifs en gazon naturel.
La méthode D est applicable pour mesurer la vitesse d’infiltration verticale de l’eau lors d'essais in situ sur sols sportifs en matériaux minéraux non liés.
NOTE En ce qui concerne les sols en gazon synthétique comportant un matériau de remplissage et les sols en matériaux minéraux non liés, on considère que les essais en laboratoire donnent une indication plus précise du comportement du sol.
La partie 2 spécifie une méthode de détermination en laboratoire du débit d’eau horizontal caractérisant les sols en matériaux synthétiques, en textiles et en gazon synthétique.
Podloge za športne dejavnosti - Preskusne metode za ugotavljanje stopnje prepojitve z vodo in vodoravnega pretoka vode
Ta evropski standard ima dva dela:
1. del določa štiri metode za določanje stopnje vertikalne prepojitve z vodo različnih športnih podlog.
Metoda A je primerna za laboratorijsko merjenje stopnje vertikalne prepojitve z vodo sintetičnih, tekstilnih športnih podlog in športnih podlog iz umetne trave.
Metoda B je primerna za merjenje stopnje vertikalne prepojitve z vodo sintetičnih, tekstilnih športnih podlog in športnih podlog iz umetne trave ter športnih podlog iz vezanih mineralnih snovi na kraju samem.
Metoda C je primerna za merjenje stopnje vertikalne prepojitve z vodo športnih podlog iz naravne trave na kraju samem.
Metoda D je primerna za merjenje stopnje vertikalne prepojitve z vodo športnih podlog z nevezanimi mineralnimi snovmi na kraju samem.
OPOMBA: Za umetne travnate podlage s polnilom in podloge z nevezanimi mineralnimi snovmi velja, da laboratorijski preskusi podajajo natančnejšo predstavo, kako se bo podloga obnašala.
2. del določa metodo za laboratorijsko določanje stopnje horizontalne prepojitve z vodo sintetičnih, tekstilnih športnih podlog in športnih podlog iz umetne trave.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 12616:2023
01-maj-2023
Nadomešča:
SIST EN 12616:2013
Podloge za športne dejavnosti - Preskusne metode za ugotavljanje stopnje
prepojitve z vodo in vodoravnega pretoka vode
Surfaces for sports areas - Test methods for the determination of vertical water
infiltration and horizontal water flow rates
Sportböden - Prüfverfahren zur Bestimmung der vertikalen Wasserinfiltrationsrate und
der horizontalen Wasserdurchflussrate
Sols sportifs - Méthodes d’essai pour la détermination de la vitesse d’infiltration verticale
de l’eau et du débit d’eau horizontal
Ta slovenski standard je istoveten z: EN 12616:2023
ICS:
97.220.10 Športni objekti Sports facilities
SIST EN 12616:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 12616:2023
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SIST EN 12616:2023
EN 12616
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2023
EUROPÄISCHE NORM
ICS 97.220.10 Supersedes EN 12616:2013
English Version
Surfaces for sports areas - Test methods for the
determination of vertical water infiltration and horizontal
water flow rates
Sols sportifs - Méthodes d'essai pour la détermination Sportböden - Prüfverfahren zur Bestimmung der
de la vitesse d'infiltration verticale de l'eau et du débit vertikalen Wasserinfiltrationsrate und der
d'eau horizontal horizontalen Wasserdurchflussrate
This European Standard was approved by CEN on 16 October 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12616:2023 E
worldwide for CEN national Members.
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SIST EN 12616:2023
EN 12616:2023 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Part 1 – Determination of vertical water infiltration rate . 4
4.1 Method A – laboratory determination of synthetic turf, textile and synthetic sports
surfaces . 4
4.2 Method B – on-site determination on synthetic textile, synthetic turf, and bound
mineral sports surfaces . 7
4.3 Method C – on-site determination on Natural turf . 10
4.4 Method D – on-site determination unbound mineral surfaces . 11
5 Part 2 – Determination in the laboratory of horizontal water flow rate . 13
5.1 Principle . 13
5.2 Apparatus . 13
5.3 Test specimens . 15
5.4 Conditioning . 15
5.5 Procedure . 15
5.6 Calculation and expression of results . 16
5.7 Test report . 17
Annex A (Informative) Sample preparation for the determination in the laboratory of
horizontal water flow rate . 18
Bibliography . 19
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SIST EN 12616:2023
EN 12616:2023 (E)
European foreword
This document (EN 12616:2023) has been prepared by Technical Committee CEN/TC 217 “Surfaces for
sports areas”, the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by July 2023, and conflicting national standards shall be
withdrawn at the latest by July 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 12616:2013.
In comparison with the previous edition, the following technical modifications have been made: a
temperature correction factor has been reinstated (from the 2003 edition) and a laboratory test method
for measuring the horizontal water flow rate has been added.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United
Kingdom.
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SIST EN 12616:2023
EN 12616:2023 (E)
1 Scope
This document has two parts.
Part 1 specifies four methods for the determination of the vertical water infiltration rate of different types
of sports surfacing.
Method A is suitable for measuring the vertical water infiltration rate of synthetic, textile and synthetic
turf sports surfaces in the laboratory.
Method B is suitable for on-site measurements of the Vertical Water Infiltration Rate of synthetic, textile,
synthetic turf and bound mineral sports surfaces.
Method C is suitable for on-site measurements of the vertical water infiltration rate of natural turf sports
surfaces.
Method D is suitable for measuring the for on-site measurements of the vertical water infiltration rate of
unbound mineral sports surfaces.
NOTE For filled synthetic turf and unbound mineral surfaces, laboratory tests are considered to give a more
precise indication of how a surface will perform.
Part 2 specifies a method for determining the horizontal water flow rate of synthetic, textile and synthetic
turf surfaces in the laboratory.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN ISO 12958-1:2020, Geotextiles and geotextile-related products - Determination of water flow capacity
in their plane - Part 1: Index test (ISO 12958-1:2020)
3 Terms and definitions
No terms and definitions are listed in this document.
4 Part 1 – Determination of vertical water infiltration rate
4.1 Method A – laboratory determination of synthetic turf, textile and synthetic sports
surfaces
4.1.1 Principle
Water is ponded in a cylinder into which a test specimen has been sealed. The rate of flow through the
sports surface is measured.
NOTE The test can be performed on a component of a sports surfacing system, e.g. on a shockpad or synthetic
turf carpet, or on a total system.
4.1.2 Apparatus
4.1.2.1 Single ring infiltrometer, of metallic or plastic material with an internal diameter of
300 mm ± 2 mm and a method of sealing the ring to the product to be tested (either mechanically with a
clamp or by use of a sealant) (see Figure 1).
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EN 12616:2023 (E)
4.1.2.2 Support grid, for underpinning the product to prevent it distorting when water is poured
into the apparatus (see Figure 1). The maximum deformation of the product shall be 5 mm from the
outside of the ring to the centre once water has been added to the ring. Within the ring there shall be
three parallel horizontal wires or bars and a central bar perpendicular to the other three. These shall be
2,5 mm ± 0,5 mm in width to prevent obstruction of any drainage holes in the sports surface.
Figure 1 — Single ring infiltrometer with supporting grid
4.1.2.3 Stopwatch, resolution to 0,1 s.
4.1.2.4 Round disc, with an internal diameter of 295 mm ± 2 mm and a mass of 5 kg ± 0,25 kg.
4.1.2.5 Spirit level.
4.1.2.6 Graduated scale or other apparatus, enabling the depth of water to be measured to an
accuracy of 1 mm.
4.1.2.7 Temperature measuring apparatus, capable of measuring the temperature of the water to
an accuracy of 1 °C.
4.1.2.8 Geotextile or mesh grid, with a mesh size no greater than 300 µm.
4.1.3 Test specimen
4.1.3.1 Select and prepare a test specimen of the sports surface ensuring that the minimum number
of any drainage holes are visible within the 300 mm ring area. Measure the diameter and location of the
holes within the test piece and record and/or photograph the evidence, which may be included in the
report.
4.1.3.2 Seal or clamp the test specimen into the infiltration ring.
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SIST EN 12616:2023
EN 12616:2023 (E)
4.1.3.3 If required, fill the synthetic turf carpet in accordance with the manufacturer’s instructions.
Ensure that any pile fibres are visible and that there are no trapped fibres beneath the infill. Compress
each infill layer using the round disc that should be rotated and contra-rotated on the test specimen for
a minimum of five full rotations to ensure compaction and levelling of any the infill. Ensure no additional
pressure is applied to the disc.
4.1.3.4 Wet the test specimen by applying a minimum of 5 l of water through the geotextile or mesh
disc. Ensure there is no leaking of water laterally out of the ring joints; if there is, reseal the test specimen.
4.1.4 Conditioning
Condition the test samples and any relevant infill in the laboratory at a temperature of 23 °C ± 2 °C for a
minimum period of 4 h.
4.1.5 Procedure
Ensure that the test ring is level prior to the start of the test.
Measure the temperature of the water.
Apply water evenly to the test specimen through the mesh grid or geotextile so that the head of water
applied is between 70 mm and 90 mm above the top of the test specimen. For semi-filled synthetic turf
surfaces, the top is specified as the top of the infill layer(s).
Mark the ring at 10 mm ± 1 mm and 30 mm ± 1 mm above the top of the test specimen.
Measure the time taken for the head of water to fall between the 30 mm and 10 mm markers to the
nearest 0,1 s, ensuring that any geotextile or mesh disc is removed prior to the start of the timer. If the
infiltration rate is slow, stop the test at 30 min.
Repeat the test a further two times.
4.1.6 Calculation and expression of results
Calculate the water infiltration rate I , expressed in millimetres per hour (mm/h), from the following
A
formula:
I = (F C)/ t
A WA A
where
F is the fall of water level (mm);
WA
t is the time taken for the water level to fall (h).
A
Calculate the mean value of the second and third tests.
4.1.7 Test report
The test report shall include the following information:
a) the sample;
b) reference to this document, EN 12616:2023, and Part and method used, e.g. Part 1, Method A;
c) complete identification and photograph(s) of the sports surface tested;
d) water temperature;
e) any deviations from the procedure;
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SIST EN 12616:2023
EN 12616:2023 (E)
f) any unusual features observed;
g) the mean average of the test results;
h) the individual test result(s), including a reference to the clause which explains how the results were
calculated;
i) the date of the test.
4.2 Method B – on-site determination on synthetic textile, synthetic turf, and bound
mineral sports surfaces
4.2.1 Principle
Water is ponded within two concentric cylinders that have been sealed onto, or hammered into, the
sports surface. The outer cylinder is used as a buffer area to prevent the lateral flow of water from the
inner cylinder.
NOTE A single cylinder can be used if the test piece is fully sealed to prevent lateral flow of water.
The rate of entry into the sports surface from the inner cylinder is measured (see 4.2.6).
4.2.2 Apparatus
4.2.2.1 Infiltrometer, with dimensions specified in 4.2.2.2 and 4.2.2.3, consisting of one or two metal
cylinders (see Figure 2) capable of being sealed onto, or hammered perpendicularly into, the sports
surface, as appropriate to minimize lateral leakage.
4.2.2.2 Large cylinder, double-ring infiltrometer, for tests on synthetic, synthetic turf, textile and
bound material surfaces with a rate of water infiltration less than 500 mm/h, consisting of an inner
cylinder of inner diameter (300 ± 5) mm forming the measurement area and an outer cylinder of inner
diameter (500 ± 25) mm forming the buffer area to prevent the lateral flow of water from the inner
cylinder.
NOTE A wide tolerance on the cylinder diameter is permitted to allow the cylinders to be stacked for ease of
transport.
4.2.2.3 Small cylinder, double-ring infiltrometer, for tests on mineral surfaces consisting of an
inner cylinder of inner diameter (150 ± 5) mm and an outer cylinder of inner diameter (300 ± 25) mm.
7
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SIST EN 12616:2023
EN 12616:2023 (E)
Key
1 outer cylinder
2 inner cylinder
3 scale
4 water level
Figure 2 — Double-ring infiltrometer
4.2.2.4 Graduated scale or other apparatus, enabling the depth of water to be measured to an
accuracy of 1 mm.
4.2.2.5 Clock, accurate to 1 s.
4.2.2.6 Temperature measuring apparatus, capable of measuring the temperature of the water to
an accuracy of 1 °C.
4.2.2.7 Sealing material, capable of sealing the infiltrometer to the surface such as low-modulus
elastomeric compounds (e.g. silicone rubber or a strip of closed-cell, compressible foam).
NOTE On synthetic sports surfaces, self-adhesive, closed-cell foam strips such as those commonly used as
draught excluders have been found to be suitable. A low-modulus, elastomeric tubing, such as silicone, can also
create an effective seal on some surfaces.
The sealant shall be chosen to leave no residue on the test surface.
4.2.2.8 Water supply, shall be adequate for the test.
4.2.2.9 Heavy weights, to apply to the top of the apparatus to improve the seal, particularly where
the test surface is heavily textured.
4.2.3 Test conditions
Tests shall be carried out at the prevailing site conditions.
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EN 12616:2023 (E)
4.2.4 Number and distribution of test locations on site
Unless specified in the product standard, test locations on site shall be selected be as follows. On sports
2 2
surfaces of less than 3 000 m in area, at least one test reading shall be performed per 500 m . On sports
2 2
surfaces larger than 3 000 m , at least one test reading shall be performed per 1 000 m . All test locations
shall be selected at random.
4.2.5 Procedure
4.2.5.1 If sealing of synthetic turf is required, remove any particulate fill by vacuum to allow the rings
to seal onto the primary backing of synthetic turf carpets and assist the prevention of lateral seepage of
water. Do not disturb the particulate fill in the measurement area.
4.2.5.2 Seal the cylinders onto the sports surface with sealing material taking care to ensure that the
sealing material does not restrict water infiltration from any of the area enclosed by the inner cylinder.
Apply the weights if necessary.
4.2.5.3 Pond water in both cylinders until the flow of water into the inner cylinder is constant and
the water level approaches a steady-state value. Ensure that the water level in the outer cylinder is
within ± 2 mm of the level in the inner cylinder.
4.2.5.4 Measure the time taken (t ) for the water to fall by 20 mm from an initial ponding depth of
B
(30 ± 1) mm to a final ponding depth of (10 ± 1) mm, or the fall in the water level (F ) after a minimum
WB
of 30 min, whichever is quicker.
The water levels between the cylinders can be m
...
SLOVENSKI STANDARD
oSIST prEN 12616:2022
01-februar-2022
Podloge za športne dejavnosti - Preskusne metode za ugotavljanje stopnje
prepojitve z vodo in vodoravnega pretoka vode
Surfaces for sports areas -Test methods for the determination of vertical water infiltration
and horizontal water flow rates
Sportböden - Prüfverfahren zur Bestimmung der vertikalen Wasserinfiltrationsrate und
der horizontalen Wasserdurchflussrate
Sols sportifs - Méthodes d’essai pour la détermination de la vitesse d’infiltration verticale
de l’eau et du débit d’eau horizontal
Ta slovenski standard je istoveten z: prEN 12616
ICS:
97.220.10 Športni objekti Sports facilities
oSIST prEN 12616:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 12616:2022
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oSIST prEN 12616:2022
DRAFT
EUROPEAN STANDARD
prEN 12616
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2021
ICS 97.220.10 Will supersede EN 12616:2013
English Version
Surfaces for sports areas -Test methods for the
determination of vertical water infiltration and horizontal
water flow rates
Sols sportifs - Méthodes d'essai pour la détermination Sportböden - Prüfverfahren zur Bestimmung der
de la vitesse d'infiltration verticale de l'eau et du débit vertikalen Wasserinfiltrationsrate und der
d'eau horizontal horizontalen Wasserdurchflussrate
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 217.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12616:2021 E
worldwide for CEN national Members.
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oSIST prEN 12616:2022
prEN 12616:2021 (E)
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Part 1 – Determination of vertical water infiltration rate . 5
4.1 Method A – laboratory determination of synthetic turf, textile and synthetic sports
surfaces . 5
4.1.1 Principle . 5
4.1.2 Apparatus . 5
4.1.3 Test specimen . 6
4.1.4 Conditioning . 7
4.1.5 Procedure . 7
4.1.6 Calculation and expression of results . 7
4.1.7 Test report . 8
4.2 Method B – on-site determination on synthetic textile, synthetic turf, and bound
mineral sports surfaces . 8
4.2.1 Principle . 8
4.2.2 Apparatus . 9
4.2.3 Test conditions . 10
4.2.4 Number and distribution of test locations on site . 10
4.2.5 Procedure . 10
4.2.6 Calculation and expression of results . 11
4.2.7 Test report . 11
4.3 Method C – on-site determination on Natural turf . 11
4.3.1 Apparatus . 11
4.3.2 Number and distribution of test locations . 11
4.3.3 Procedure . 12
4.3.4 Calculation and expression of results . 12
4.3.5 Test report . 12
4.4 Method D – on-site determination unbound mineral surfaces . 12
4.4.1 Apparatus . 12
4.4.2 Number and distribution of test locations . 12
4.4.3 Procedure . 12
4.4.4 Calculation and expression of results . 13
5 Part 2 – Determination in the laboratory of horizontal water flow rate . 13
5.1 Principle . 13
5.2 Apparatus . 13
5.3 Test specimens . 15
5.4 Conditioning . 16
5.5 Procedure . 16
5.5.1 Method . 16
5.5.2 Acquisition of values . 16
5.5.3 Test directions . 17
5.6 Calculation and expression of results . 17
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oSIST prEN 12616:2022
prEN 12616:2021 (E)
5.7 Test report . 18
3
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oSIST prEN 12616:2022
prEN 12616:2021 (E)
European foreword
This document (prEN 12616:2021) has been prepared by Technical Committee CEN/TC 217 “Surfaces
for sports areas”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 12616:2013.
In comparison with the previous edition, the following technical modifications have been made: a
temperature correction factor has been reinstated (from the 2003 addition) and a laboratory test method
for measuring the horizontal water flow rate has been added.
4
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oSIST prEN 12616:2022
prEN 12616:2021 (E)
1 Scope
This European Standard has two parts.
Part 1 specifies four methods for the determination of the vertical water infiltration rate of different types
of sports surfacing.
Method A is suitable for measuring the vertical water infiltration rate of synthetic, textile and synthetic
turf sports surfaces in the laboratory.
Method B is suitable for on-site measurements of the Vertical Water Infiltration Rate of synthetic, textile,
synthetic turf and bound mineral sports surfaces.
Method C is suitable for on-site measurements of the vertical water infiltration rate of natural turf sports
surfaces.
Method D is suitable for measuring the for on-site measurements of the vertical water infiltration rate of
unbound mineral sports surfaces.
NOTE For filled synthetic turf and unbound mineral surfaces, laboratory tests are considered to give a more
precise indication of how a surface will perform.
Part 2 specifies a method for determining the horizontal water flow rate of synthetic, textile and synthetic
turf surfaces in the laboratory.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 12958:2010, Geotextiles and geotextile-related products – Determination of water flow capacity in their
plane
3 Terms and definitions
No terms and definitions are listed in this document.
4 Part 1 – Determination of vertical water infiltration rate
4.1 Method A – laboratory determination of synthetic turf, textile and synthetic sports
surfaces
4.1.1 Principle
Water is ponded in a cylinder into which a test specimen has been sealed. The rate of flow through the
sports surface is measured.
NOTE The test can be performed on a component of a sports surfacing system, e.g. on a shockpad or synthetic
turf carpet, or on a total system.
4.1.2 Apparatus
4.1.2.1 Single ring infiltrometer, of metallic or plastic material with an internal diameter of
300 mm ± 2 mm and a method of sealing the ring to the product to be tested (either mechanically with a
clamp or by use of a sealant).
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4.1.2.2 Support grid, for underpinning the product to prevent it distorting when water is poured
into the apparatus. The maximum deformation of the product shall be 5 mm from the outside of the ring
to the centre once water has been added to the ring. Within the ring there should be three parallel
horizontal wires or bars and a central bar perpendicular to the other three. These should be
2,5 mm ± 0,5 mm in width to prevent obstruction of any drainage holes in the sports surface.
Figure 1 — Single ring infiltrometer with supporting grid
4.1.2.3 Stopwatch, accurate to 0,1 s.
4.1.2.4 Round disc, with an internal diameter of 295 mm ± 2 mm and a mass of 5 kg ± 0,25 kg.
4.1.2.5 Spirit level.
4.1.2.6 Graduated scale or other apparatus, enabling the depth of water to be measured to an
accuracy of 1 mm.
4.1.2.7 Temperature measuring apparatus, capable of measuring the temperature of the water to
an accuracy of 1 °C.
4.1.2.8 Geotextile or mesh grid, with a mesh size no greater than 300 microns.
4.1.3 Test specimen
4.1.3.1 Select and prepare a test specimen of the sports surface ensuring that the minimum number
of any drainage holes are visible within the 300 mm ring area. Measure the diameter and location of the
holes within the test piece and record and/or photograph the evidence, which may be included in the
report.
4.1.3.2 Seal or clamp the test specimen into the infiltration ring.
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4.1.3.3 If required, fill the synthetic turf carpet in accordance with the manufacturer’s instructions.
Ensure that any pile fibres are visible and that there are no trapped fibres beneath the infill. Compress
each infill layer using the round disc that should be rotated and contra-rotated on the test specimen for
a minimum of five full rotations to ensure compaction and levelling of any the infill. Ensure no additional
pressure is applied to the disc.
4.1.3.4 If a mesh support is used, ensure that there is no sagging of the test specimen that would
result in an uneven head of water over the sample.
4.1.3.5 Wet the test specimen by applying a minimum of 5 l of water through the geotextile or mesh
disc. Ensure there is no leaking of water laterally out of the ring joints; if there is, reseal the test specimen.
4.1.4 Conditioning
Condition the test samples and any relevant infill in the laboratory at a temperature of 23 °C ± 2 °C for a
minimum period of 4 h.
4.1.5 Procedure
Ensure that the test ring is level prior to the start of the test.
Measure the temperature of the water.
Apply water evenly to the test specimen through the mesh or geotextile disc so that the head of water
applied is between 70 mm and 90 mm above the top of the test specimen. For semi-filled synthetic turf
surfaces, the top is defined as the top of the infill layer(s).
Mark the ring at 10 mm ± 1 mm and 30 mm ± 1 mm above the top of the test specimen.
Measure the time taken for the head of water to fall between the 30 mm and 10 mm markers to the
nearest 0,1 s, ensuring that any geotextile or mesh disc is removed prior to the start of the timer. If the
infiltration rate is slow, stop the test at 30 min.
Repeat the test a further two times.
4.1.6 Calculation and expression of results
Calculate the water infiltration rate I , expressed in millimetres per hour (mm/h), from the following
A
formula:
I = (F C)/ t
A WA A
where
F is the fall of water level (mm);
WA
t is the time taken for the water level to fall (h); and
A
C is the appropriate temperature correction factor given in Table 1, to correct the infiltration
rate to a standard temperature of 10 °C.
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Table 1 — Temperature correction factor
Temperature of Temperature of Correction factor
water in inner water in inner
Correction factor
cylinder cylinder
°C °C
5 1,163 13 0,919
6 1,128 14 0,895
7 1,093 15 0,872
8 1,058 16 0,849
9 1,035 17 0,826
10 1,000 18 0,814
11 0,965 19 0,791
12 0,942 20 0,767
Calculate the mean value of the second and third tests.
4.1.7 Test report
The test report shall include the following information:
a) the sample;
b) reference to this European Standard, EN 12616:2021, and Part and method used, e.g. Part 1,
Method A;
c) complete identification and photograph(s) of the sports surface tested;
d) water temperature;
e) any deviations from the procedure;
f) any unusual features observed;
g) the mean average of the test results;
h) the individual test result(s), including a reference to the clause which explains how the results were
calculated;
i) the date of the test.
4.2 Method B – on-site determination on synthetic textile, synthetic turf, and bound
mineral sports surfaces
4.2.1 Principle
Water is ponded within two concentric cylinders that have been sealed onto, or hammered into, the
sports surface. The outer cylinder is used as a buffer area to prevent the lateral flow of water from the
inner cylinder.
NOTE A single cylinder can be used if the test piece is fully sealed to prevent lateral flow of water.
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The rate of entry into the sports surface from the inner cylinder is measured (see 4.2.6).
4.2.2 Apparatus
4.2.2.1 Infiltrometer, with dimensions specified in 4.2.2.2 and 4.2.2.3, consisting of one or two metal
cylinders (see Figure 2) capable of being sealed onto, or hammered perpendicularly into, the sports
surface, as appropriate to minimize lateral leakage.
4.2.2.2 Large cylinder, double-ring infiltrometer, for tests on synthetic, synthetic turf, mineral and
natural turf surfaces with a rate of water infiltration less than 500 mm/h, consisting of an inner cylinder
of inner diameter (300 ± 5) mm forming the measurement ar
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