BS en 13598 1 2020
BS en 13598 1 2020
BS en 13598 1 2020
EN 13598‑1:2020
National foreword
This British Standard is the UK implementation of EN 13598‑1:2020.
It supersedes BS EN 13598‑1:2010, which is withdrawn. It also partially
supersedes BS 4660:2000.
The UK participation in its preparation was entrusted to Technical
Committee PRI/88/1, Plastics piping for non‑pressure applications.
A list of organizations represented on this committee can be obtained on
request to its committee manager.
The responsible UK committee gives the following advice concerning the
scope and contents of EN 13598‑1:2020.
• Main changes from previous version: Attention is drawn
to the European foreword, which lists the main changes from
EN 13598-1:2010.
• Intended use: Attention is drawn to the intended use detailed in
the scope of this standard. Whereas BS EN 13598-1:2010 covered all
inspection chambers for use in shallow non-roadway applications (to
a maximum depth of 1.25 m), the scope has now changed to cover
the use of shallow chambers on private drains which are located in
pedestrian areas above the ground water table to a maximum depth
of 2.0 m from ground level to the invert of the main channel.
• Guidance on use and installation: Clause NA.6.4 of the National
Annex to BS EN 752:2017 gives the UK guidance on access to drains
and sewers, especially in respect of provision and spacing of access,
clear opening size at the surface and dimensions for operational
needs. Attention is also drawn to Building Regulations when applying
this standard.
• Recycled materials: The use of recycled or reprocessed materials
is encouraged in the UK. However, their use should be strictly in
accordance with this standard.
This publication does not purport to include all the necessary provisions
of a contract. Users are responsible for its correct application.
© The British Standards Institution 2020
Published by BSI Standards Limited 2020
ISBN 978 0 539 02205 6
ICS 23.040.20; 93.030; 23.040.05
Compliance with a British Standard cannot confer immunity from
legal obligations.
This British Standard was published under the authority of the
Standards Policy and Strategy Committee on 31 July 2020.
English Version
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, Turkey and
United Kingdom.
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13598-1:2020 E
worldwide for CEN national Members.
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
Contents Page
European foreword....................................................................................................................................................... 4
1 Scope .................................................................................................................................................................... 6
2 Normative references .................................................................................................................................... 7
3 Terms and definitions ................................................................................................................................... 9
4 Symbols and abbreviations ...................................................................................................................... 12
4.1 Symbols ............................................................................................................................................................ 12
4.2 Abbreviations ................................................................................................................................................ 12
5 Material............................................................................................................................................................ 12
5.1 Ancillary fittings ........................................................................................................................................... 12
5.2 Shallow chambers ........................................................................................................................................ 13
5.3 Sealing ring retaining components........................................................................................................ 13
6 General characteristics .............................................................................................................................. 13
6.1 Appearance..................................................................................................................................................... 13
6.2 Colour ............................................................................................................................................................... 13
6.3 Assemblies ...................................................................................................................................................... 13
7 Geometrical characteristics ..................................................................................................................... 13
7.1 General ............................................................................................................................................................. 13
7.2 Dimensions ..................................................................................................................................................... 13
7.2.1 General ............................................................................................................................................................. 13
7.2.2 Design lengths ............................................................................................................................................... 14
7.2.3 Dimensions of ancillary fittings .............................................................................................................. 14
7.2.4 Dimensions of shallow chambers........................................................................................................... 14
7.3 Additional requirements for sealed access fittings ......................................................................... 14
8 Mechanical characteristics ....................................................................................................................... 14
9 Physical characteristics ............................................................................................................................. 16
9.1 Injection moulded ancillary fittings ...................................................................................................... 16
9.2 Fabricated ancillary fittings ..................................................................................................................... 16
10 Performance requirements ...................................................................................................................... 17
11 Sealing rings ................................................................................................................................................... 19
12 Adhesives ........................................................................................................................................................ 19
13 Marking and additional documentation .............................................................................................. 19
13.1 General ............................................................................................................................................................. 19
13.2 Minimum required marking, sealed access fittings and rodding tees ...................................... 19
13.3 Minimum required marking, mechanical saddles ........................................................................... 20
13.4 Minimum required marking, shallow chambers .............................................................................. 20
13.5 Additional documentation, shallow chambers.................................................................................. 21
13.6 Additional documentation, mechanical saddles ............................................................................... 21
Annex A (normative) Utilization of non-virgin material for shallow chambers ................................ 22
A.1 Utilization of non-virgin materials ........................................................................................................ 22
A.2 Material characteristics ............................................................................................................................. 24
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EN 13598-1:2020 (E)
European foreword
This document (EN 13598-1:2020) has been prepared by Technical Committee CEN/TC 155 “Plastics
piping systems and ducting systems”, the secretariat of which is held by NEN.
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 November 2020, and conflicting national standards shall
be withdrawn at the latest by November 2020.
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.
Compared to the previous version, the main changes are listed below:
1) test methods have been updated to the latest EN ISO standards where applicable;
2) the scope has been amended to clarify the products covered in this part and avoid confusion with the
scope of part 2;
3) terms and definitions have been updated and also now include the product diagrams;
6) Annex A has been updated with requirements for the utilization of non-virgin materials for shallow
chambers.
This document is part of a System Standard for plastics piping systems of a particular material for a
specified application. There are a number of such System Standards.
System Standards are based on the results of the work being undertaken in ISO/TC 138 “Plastics pipes,
fittings and valves for the transport of fluids”, which is a Technical Committee of the International
Organization for Standardization (ISO).
They are supported by separate standards on test methods, to which references are made throughout the
System Standard.
The System Standards are consistent with general standards on functional requirements and on
recommended practice for installation.
EN 13598 consists of the following parts under the general title Plastics piping systems for non-pressure
underground drainage and sewerage — Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and
polyethylene (PE):
— Part 1: Specifications for ancillary fittings and shallow chambers (this document);
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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, Turkey and the United
Kingdom.
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1 Scope
This document specifies the definitions and requirements for ancillary fittings and shallow chambers
installed underground in non-pressure drainage and sewerage systems and manufactured from
unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifier
(PP-MD) or polyethylene (PE) intended for use for:
— non-pressure underground drainage and sewerage outside the building structure (application area
code “U”), and
— non-pressure underground drainage and sewerage for both buried in ground within the building
structure (application area code “D”) and outside the building structure.
— rodding tees;
— mechanical saddles.
Ancillary fittings according to this document are intended for use in pedestrian areas, except rodding tees
and mechanical saddles which can also be used in vehicular trafficked areas.
NOTE 1 Pedestrian areas are as defined in EN 124-1.
Ancillary fittings can be installed to a maximum depth of 6,0 m from ground level, with the exception of
rodding point covers.
Shallow chambers according to this document are intended for use in private drains located in pedestrian
areas above the ground water table, to a maximum depth of 2,0 m from ground level to the invert of the
main channel. This document covers shallow chambers with flow profile bases, and their joints to the
piping system.
NOTE 2 Manholes and inspection chambers are specified in EN 13598-2 [1].
Ancillary fittings and shallow chambers complying with this document also comply with the general
requirements given in EN 476.
Ancillary fittings and shallow chambers can be manufactured by various methods e.g. injection moulding,
rotational moulding, spiral winding or fabricated from components made to other standards.
NOTE 3 Products complying with this document can be used with pipes, fittings and other components
conforming to any of the plastics products standards listed in Clause 2, providing their dimensions are compatible.
NOTE 4 Products complying with this document can be installed in underground applications without additional
static calculation.
NOTE 5 Ancillary fittings and shallow chambers can be subject to national safety regulations and / or local
provisions.
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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 124 (series), Gully tops and manhole tops for vehicular and pedestrian areas
EN 295-3:2012, Vitrified clay pipe systems for drains and sewers - Part 3: Test methods
EN 681-1, Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage
applications - Part 1: Vulcanized rubber
EN 681-2, Elastomeric Seals — Materials requirements for pipe joint seals used in water and drainage
applications — Part 2: Thermoplastic elastomers
EN 681-3, Elastomeric seals — Materials requirements for pipe joint seals used in water and drainage
applications — Part 3: Cellular materials of vulcanized rubber
EN 681-4, Elastomeric seals — Materials requirements for pipe joint seals used in water and drainage
applications — Part 4: Cast polyurethane sealing elements
EN 1253-2:2015, Gullies for buildings - Part 2: Roof drains and floor gullies without trap
EN 1401-1, Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized
poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the system
EN 1852-1, Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene
(PP) - Part 1: Specifications for pipes, fittings and the system
EN 1905, Plastics piping systems - Unplasticized poly(vinyl chloride) (PVC-U) pipes, fittings and material -
Method for assessment of the PVC content based on total chlorine content
EN 12099, Plastics piping systems - Polyethylene piping materials and components - Determination of
volatile content
EN 12666-1, Plastics piping systems for non-pressure underground drainage and sewerage — Polyethylene
(PE) — Part 1: Specifications for pipes, fittings and the system
EN 13476-1, Plastics piping systems for non-pressure underground drainage and sewerage - Structured-
wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE)
- Part 1:General requirements and performance characteristics
EN 13476-2, Plastics piping systems for non-pressure underground drainage and sewerage - Structured-
wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE)
- Part 2: Specifications for pipes and fittings with smooth internal and external surface and the system, Type
A
EN 13476-3, Plastics piping systems for non-pressure underground drainage and sewerage - Structured-
wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE)
- Part 3: Specifications for pipes and fittings with smooth internal and profiled external surface and the
system, Type B
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EN 14814, Adhesives for thermoplastic piping systems for fluids under pressure - Specifications
EN 14758-1, Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene
with mineral modifiers (PP-MD) - Part 1: Specifications for pipes, fittings and the system
EN ISO 1043-1, Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special
characteristics (ISO 1043-1:2011)
EN ISO 1133-1, Plastics - Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR)
of thermoplastics - Part 1: Standard method (ISO 1133-1:2011)
EN ISO 1183-1, Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion
method, liquid pycnometer method and titration method (ISO 1183-1:2019, Corrected version 2019-05)
EN ISO 1183-2, Plastics - Methods for determining the density of non-cellular plastics - Part 2: Density
gradient column method (ISO 1183-2:2019)
EN ISO 2507-1, Thermoplastics pipes and fittings - Vicat softening temperature - Part 1: General test
method (ISO 2507-1:1995)
EN ISO 3126, Plastics piping systems - Plastics components - Determination of dimensions (ISO 3126:2005)
EN ISO 3451-1, Plastics - Determination of ash - Part 1: General methods (ISO 3451-1:2019)
EN ISO 3451-5, Plastics - Determination of ash - Part 5: Poly(vinyl chloride) (ISO 3451-5:2002)
EN ISO 11357-6, Plastics - Differential scanning calorimetry (DSC) - Part 6: Determination of oxidation
induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6:2018)
EN ISO 13254, Thermoplastics piping systems for non-pressure applications - Test method for
watertightness (ISO 13254:2010)
EN ISO 13257:2017, Thermoplastics piping systems for non-pressure applications — Test method for
resistance to elevated temperature cycling (ISO 13257:2010)
EN ISO 13259, Thermoplastics piping systems for underground non-pressure applications - Test method for
leaktightness of elastomeric sealing ring type joints (ISO 13259:2018)
EN ISO 13263, Thermoplastics piping systems for non-pressure underground drainage and sewerage -
Thermoplastics fittings - Test method for impact strength (ISO 13263:2010)
EN ISO 13264, Thermoplastics piping systems for non-pressure underground drainage and sewerage -
Thermoplastics fittings - Test method for mechanical strength or flexibility of fabricated fittings (ISO
13264:2010)
ISO 13268, Thermoplastics piping systems for non-pressure underground drainage and sewerage —
Thermoplastics shafts or risers for inspection chambers and manholes — Determination of ring stiffness
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3.1
private drain
drainage (discharge) system which is not a part of the public drain or sewer
3.2
sealed access fitting
fitting that permits entry into the system for rodding or inspection and that has a sealed cover
Note 1 to entry: Figure 1 shows examples of sealed access fittings, other designs are possible.
Note 2 to entry: Sealed access fittings are typically buried to a depth of 2m or installed up to 6m when installed
within a chamber
3.3
rodding point cover
fitting installed at ground level with a removable cover that permits the introduction of equipment for
inspection and the clearance of blockages
Note 1 to entry: Figure 2 shows examples of rodding point covers, other designs are possible.
3.4
rodding tee
fitting installed in a drainage or sewerage system that connects to a rodding point at ground level that
permits the introduction of equipment for the clearance of blockages, and also equipment for the
inspection of the connecting pipe work in one or more directions
Note 1 to entry: Figure 3 shows an example of a rodding tee, other designs are possible.
3.5
mechanical saddle
fitting that enables a branch connection to be made to buried drainage/sewerage systems of larger
diameter by cutting a hole in the larger pipe and is retained in position by mechanical means
Note 1 to entry: Figure 4 shows examples of mechanical saddles, other designs are possible.
Note 2 to entry: Preferred nominal angles for mechanical saddle branches are 45° and 90°.
3.6
shallow chamber
fitting installed to a maximum depth of 2,0 m from ground level to the invert of the main channel that
permits the introduction of equipment for the clearance of blockages, cleaning and inspection from
surface level, but does not provide access for personnel and which terminates at ground level with a riser
shaft of DN/ID 180 minimum and DN/ID of less than 800
Note 1 to entry: See also EN 476 for non-circular chambers.
Note 2 to entry: Figure 5 shows examples of shallow chambers, other designs are possible.
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3.7
base
bottom part of a shallow chamber, including integrally formed channels with benching as appropriate
Note 1 to entry: In case of a one-piece shallow chamber, for testing purposes the base component ends at a
distance of minimum 300 mm measured from the top of the main channel. Above 300 mm the section should be
considered as a riser and tested accordingly.
Note 2 to entry: The benching is the transition between the formed channel and the inside wall of the base.
3.8
riser
component which is connected onto a base and which defines the nominal size of the shallow chamber
Note 1 to entry: The riser can be supplied either as one or more separate items, for site jointing to the base, or
integrated with the base.
Note 2 to entry: In case of a one-piece shallow chamber, for testing purposes the riser component starts at a
distance of minimum 300 mm measured from the top of the main channel. Below 300 mm the section should be
considered as a base and tested accordingly.
3.9
fabricated fitting
fitting produced from pipe and/or from injection-moulded fittings by thermoforming, adhesive joint or
welding
3.10
virgin material
material in a form such as granules or powder that has not been subjected to use or processing other than
that required for its manufacture and to which no reprocessed or recycled material has been added
Note 1 to entry: It is understood that the addition of additives such as stabilizers and pigments is still resulting
into a virgin material.
3.11
own reprocessed material
material prepared from unused products, including trimmings from the production, that will be
reprocessed in a manufacturer’s plant after having been previously processed by the same manufacturer
3.12
recycled material
material prepared from used thermoplastic products which have been cleaned and crushed or ground
3.13
agreed specification
specification of the relevant material characteristics agreed between the supplier of the non-virgin
material and the manufacturer
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5 Material
5.1 Ancillary fittings
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It is permitted that sealing rings are retained using means made from polymers other than PVC-U, PP or
PE.
6 General characteristics
6.1 Appearance
— spigots shall be cleanly cut and the ends of pipes and fittings shall be square to their axis.
6.2 Colour
Ancillary fittings if manufactured in layers shall have their surface layers coloured throughout. The
outside layer of ancillary fittings should preferably be black, orange brown (approximately RAL 8023 [2])
or dusty grey (approximately RAL 7037 [2]). Other colours may be used.
6.3 Assemblies
Ancillary fitting assemblies can be a combination of two or more plastics components, provided that all
other requirement of this standard are met.
Components of other than plastics materials shall conform to the relevant European Standards.
7 Geometrical characteristics
7.1 General
All dimensions shall be measured in accordance with EN ISO 3126. Geometrical characteristics
supplementary to those specified in this standard shall be declared by the manufacturer and shall
conform to the minima specified in EN 476.
7.2 Dimensions
7.2.1 General
The nominal diameter of ancillary fittings shall be that of the pipe which can be connected to its outlet
except that in the case of mechanical saddles the size of the main pipe and branch connection shall be
specified.
The nominal diameter of the riser (DN/ID or DN/OD) shall be used to designate the nominal size of
shallow chambers.
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The wall thickness of the body and the spigot (emin) for pipe connections shall not be less than those
specified in EN 1401-1, EN 1852-1, EN 12666-1, EN 13476-1, EN 13476-2, EN 13476-3 or EN 14758-1
for a fitting or component of the same material and nominal diameter.
The wall thicknesses of sockets (e2 and e3) shall not be less than those specified in EN 1401-1, EN 1852-
1, EN 12666-1, EN 13476-1, EN 13476-2, EN 13476-3 or EN 14758-1 for a socket of the same material
and nominal diameter.
The diameters, length of sockets (A) and length of spigots (L1,) shall not be less than those specified for a
fitting in EN 1401-1, EN 1852-1, EN 12666-1, EN 13476-1, EN 13476-2, EN 13476-3 or EN 14758-1.
7.2.4 Dimensions of shallow chambers
The wall thickness of the base body including the first 300 mm of any integral riser measured from the
top of the outlet shall be specified by the manufacturer. For pipe connections the wall thickness of the
spigot/socket shall not be less than those specified in EN 1401-1.
For all separate riser components and integral risers above the first 300 mm the wall thickness shall be
determined by the stiffness requirements in Table 3.
NOTE The requirement for wall thickness of the spigot/socket for pipe connections is not applicable for riser
to base assembly or sockets or spigots of risers.
Socket (dsm) and spigot (dem) diameters, length of engagement (A), length of spigots (L1) and their
tolerances shall enable compatibility to pipe work in accordance with the product standards of the pipes
that they are intended to be connected to.
For vertical assemblies the diameters and lengths of sockets shall be specified by the manufacturer.
7.3 Additional requirements for sealed access fittings
Circular openings in access fittings shall have a minimum diameter greater than 50 % of the internal
diameter of the fitting subject to a minimum of 90 mm.
Rectangular access fittings shall have minimum opening dimensions of 150 mm and 90 mm measured on
their longitudinal and transverse centre lines.
8 Mechanical characteristics
Using the indicated parameters, the products shall have mechanical characteristics conforming to the
requirements given in Tables 1, 2 and 3 as applicable:
— Table 1 — Mechanical characteristics of sealed access fittings and rodding tees;
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Plastics rodding point covers shall comply with the EN 124 series or comply with the EN 1253 series as
applicable.
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Resistance to vacuum b No damage to the structure that Test temperature (23 ± 2) °C EN ISO 13259
could be deemed to impair its Test period 100 h Condition A
function Internal negative −0,3 bar c
pressure
9 Physical characteristics
9.1 Injection moulded ancillary fittings
The physical characteristics for injection-moulded ancillary fittings shall conform to EN 1401-1,
EN 1852-1, EN 12666-1, EN 13476-2, EN 13476-3 or EN 14758-1 as applicable.
When tested in accordance with the test method as specified in Table 5 any fabricated ancillary fitting
shall comply with the requirement given in Table 5.
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10 Performance requirements
When tested in accordance with the test methods as specified in Tables 6 and 7 using the indicated
parameters, the joints and the system shall have characteristics conforming to the requirements given in
Tables 6 and 7.
Table 6 — Fitness for purpose requirements for ancillary fittings
Test parameters
Characteristic Requirements Test method
Parameter Value
Tightness of Temperature (23 ± 5) °C EN ISO 13259
elastomeric sealing Spigot deflection 10 % Condition B
ring joints a Socket deflection 5%
No leakage Water pressure 0,05 bar
No leakage Water pressure 0,5 bar
≤ −0,27 bar Air pressure −0,3 bar
Temperature (23 ± 2) °C EN ISO 13259
Angular deflection for: Condition C
dn ≤ 315mm α = 2°
315 mm < dn ≤ 630 mm α = 1,5°
dn > 630 mm α = 1°
No leakage Water pressure 0,05 bar
No leakage Water pressure 0,5 bar
≤ −0,27 bar Air pressure −0,3 bar
Elevated temperature No leakage Shall conform to EN ISO 13257 EN ISO 13257,
cycling b Test arrangement b)
(EN ISO 13257:2017, Figure 2)
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11 Sealing rings
The sealing ring material shall conform to all requirements of EN 681-1, EN 681-2, EN 681-3 or EN 681-
4, as applicable.
The sealing ring shall have no detrimental effect on the properties of the components or fittings and shall
not cause the test assembly to fail the requirements given in Tables 6 and 7.
12 Adhesives
The adhesive shall have no detrimental effects on the properties of the components and of the fittings
and shall not cause the test assembly to fail to conform to Tables 6 and 7.
The adhesive shall comply with EN 14680.
As an alternative, adhesive complying with EN 14814 may be used.
Marking elements shall be printed or formed directly on the fitting or be on a label in such a way that
after storage, handling, and installation, the required legibility is maintained.
Two levels of legibility of the marking on fittings are specified for the individual marking aspects given in
Tables 7, 8 and 9. The required legibility of marking is coded as follows:
A: durable in use;
B: legible at least until the system is installed.
NOTE The manufacturer is not responsible for marking being made illegible due to actions during installation
and use such as painting, scratching, covering of the components or by use of e.g. detergents on the components
unless agreed with, or specified by the manufacturer.
Marking shall not initiate cracks or other types of defects, which adversely influence the performance of
the fitting.
Marking by indentation reducing the wall thickness less than 0,25 mm shall be deemed to conform to this
clause without infringing the requirements for the wall thickness specified in this standard.
The size of the marking shall be such that the marking is legible without magnification.
13.2 Minimum required marking, sealed access fittings and rodding tees
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Table 8 — Minimum required marking of sealed access fittings and rodding tees
The minimum marking of shallow chamber bases shall conform to Table 10.
Separately sold risers intended for site assembly shall be marked with the number of this standard, the
material and manufacturer's identification along with the year of manufacture, relevant sizes.
Legibility codes listed in 13.1 apply.
NOTE Thermoplastics pipes complying with system standards can be used as risers in shallow chambers, and
do not require any additional marking.
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The manufacturer's installation guide shall include the following as a minimum and shall be made
available:
— recommended bedding and side-fill compaction;
— sizes and specification of the pipes that the shallow chamber is intended to be connected to;
— a description/specification for the assembled shallow chamber including base and riser
The manufacturer's installation guide shall include the following as a minimum and shall be made
available:
— recommended diameter of cutter to make the hole in the pipe for assembling the saddle;
— sizes and specification of the pipes that the mechanical saddle is intended to be connected to.
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Annex A
(normative)
— the quantity of external non-virgin material that is actually added in each production series shall be
recorded by the manufacturer;
— conformity with all the requirements of this document shall be demonstrated with the maximum
amount of external non-virgin material specified by the manufacturer;
— the non-virgin material supplier is responsible for claiming and ensuring that the quality plan
conforms to or is no less stringent than the relevant requirements of EN ISO 9001 [4].
NOTE If the non-virgin material supplier is certified ISO 9001, this requirement is deemed to be fulfilled.
Each delivery shall be covered by a documentation showing conformity to the agreed specification.
This documentation may be issued either by the non-virgin material supplier or the manufacturer as
agreed between the parties.
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Particle size a The test method (such as EN 15346:2014 [5], Annex D or Annex E) shall be
agreed with the supplier and stated in the agreed specification
Impurities a The test method (such as EN 15346:2014 [5], Annex C, evaluation of sheets or
evaluation of micronized material) shall be agreed with the supplier according
to the source of material and the recycling process, and stated in the agreed
specification
Source of the material PVC-U products
a The relevant requirements and test method depend on the recycling process and on the end product.
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Max. deviation
EN ISO 1183-1 from declared
Density d or value ±25 ±25 ±25 ±25 ±25 ±25
EN ISO 1183-2
[kg/m3]
Oxidation
induction time Declared value
at 200 °C EN ISO 11357-6 ≥ 10 ≥8 ≥ 10 ≥8 ≥8c NA
(measured on [min]
product)
Max. deviation
from declared Y > 1,5: +20 %
EN ISO 1133-1 value
MFR Y ≤ 1,5: +0,3 NA
e [g/10 min]
25
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
Annex B
(normative)
B.1 General
The saddle shall be installed according the installation instructions of the supplier, on to a PP, PE or PVC
main pipe class SN2, SN 4, SN8 and SN16 as applicable which fulfils the requirements of EN 13476 series,
EN 1401-1, EN 1852-1, EN 12666-1 or EN 14758-1. The total length of the main pipe shall be 8 × DN or
2 m whichever is the greater. An inlet pipe (highest available stiffness class) shall be installed in the
mechanical saddle. The end of the inlet pipe within the saddle shall be cut square and clean.
26
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
Dimensions in millimetres
Key
1 down pipe
2 saddle
3 main pipe
B.3 Procedures
B.3.1 Resistance to vertical load – pipe stop test
Support the main pipe internally, if necessary, next to the mechanical saddle in such a way that the main
pipe cannot deform more than 5 % of the diameter. The internal support shall be installed directly next
to the parts of the mechanical saddle exposed within the main pipe - see Figure B.2.
27
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
Dimensions in millimetres
Key
1 internal support
2 main pipe
Place the load of 15 kN on top of the inlet pipe. Evenly apply the load within a maximum period of 90 s.
Hold the load for a period of 300 s.
Unload the inlet pipe directly and check, during and after the test if the assembly fulfils the requirements.
NOTE If the mechanical saddle is intended for use with a settlement device or construction e.g. a temporary
flexible end stop, the settlement device or construction is incorporated in the test as described in Figure B.2. All
other tests are carried out without the used settlement device or construction, see below.
Substitute the inlet pipe of the test described in B.1 by an inlet pipe of 1 000 mm length- see Figure B.3.
Substitute the mechanical saddle used in the last test by a new one with an unused settlement device or
construction if applicable.
Fix the main pipe to the horizontal support at the stated distance.
Provide the main pipe with end-caps.
Install anchoring devices to prevent the components pushing apart under the effects of internal water
pressure.
Fill the test piece with water up to one meter above the pipe crown.
Apply a horizontal load of 0,15 kN to the inlet pipe along the axis of the main pipe at a distance of
1000 mm above the crown of the main pipe.
28
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
The load should be applied evenly over a period of 90 s. Hold the load for the testing time of 300 s.
Repeat the test with the load applied at 90° to the axis of the main pipe.
Remove the load and check to ensure that the assembly meets the test requirements.
Dimensions in millimetres
Key
1 water level
2 main pipe fixation
3 main pipe
4 end caps
If necessary, substitute the inlet pipe of the test carried out as described in B.3.2 above for a shorter one.
Provide the inlet pipe with an end cap.
Install anchoring devices to prevent the components pushing apart under the effects of internal water
pressure.
Vertically load the main pipe as shown in Figure B.4 until a deformation of 10 % is achieved (5 % if the
main pipe is > 500 mm).
Test the assembly against the test parameters as described in Table 6.
Remove the load and check to ensure that the assembly meets the test requirements.
29
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
Dimensions in millimetres
Key
1 test load
2 fill blocks
3 main pipe
4 end caps
5 loading plate
6 support angle
* a is the width of the saddle flange
30
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
Annex C
(normative)
Test with the shallow chamber buried in accordance with manufacturer’s instructions to a depth of
600 mm (the box load apparatus described in ISO 13260 [6] is a suitable means of testing). Two pieces of
SN 4 pipe 0,5 m long should be fitted to the inlet and outlet joints of the main channel.
On completion of the test and before dismantling, the shallow chamber shall be checked for water
tightness as described in Table 7 and EN 476.
31
BS EN 13598‑1:2020
EN 13598-1:2020 (E)
Bibliography
[1] EN 13598-2, Plastics piping systems for non-pressure underground drainage and sewerage -
Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 2:
Specifications for manholes and inspection chambers
[3] ISO 265-1, Pipes and fittings of plastics materials — Fittings for domestic and industrial waste
pipes — Basic dimensions: Metric series — Part 1: Unplasticized poly(vinyl chloride) (PVC-U)
[6] ISO 13260, Thermoplastics piping systems for non-pressure underground drainage and sewerage
— Test method for resistance to combined temperature cycling and external loading
[7] EN ISO 13229, Thermoplastics piping systems for non-pressure applications - Unplasticized
poly(vinyl chloride) (PVC-U) pipes and fittings - Determination of the viscosity number and K-value
(ISO 13229:2010)
32
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