Drain and sewer systems outside buildings - Design - Part 2: Hydraulic design

This European Standard specifies requirements for the design of drain and sewer systems outside buildings.
It is applicable to drain and sewer systems from the point where the wastewater leaves a building, roof drainage system, or paved area, to a point where it is discharged into a wastewater treatment plant or receiving water body.
This document specifies requirements for the hydraulic design of drain and sewer systems and the assessment of the capacity of existing drain and sewer systems.

Entwässerungssysteme außerhalb von Gebäuden - Planung - Teil 2: Hydraulische Planung

Diese Europäische Norm legt Anforderungen an die Planung von Entwässerungssystemen außerhalb von Gebäuden fest.
Sie gilt für Entwässerungssysteme, von dem Punkt an, an dem das Abwasser das Gebäude bzw. die Dachentwässerung verlässt oder in einen Straßenablauf fließt, bis zu dem Punkt, an dem das Abwasser in eine Kläranlage oder ein aufnehmendes Gewässer eingeleitet wird.
Dieses Dokument legt Anforderungen an die hydraulische Planung von Entwässerungssystemen und die Beurteilung der Kapazität vorhandener Entwässerungssysteme fest.

Réseaux d'évacuation et d'assainissement à l'extérieur des bâtiments - Conception - Partie 2 : Conception hydraulique

La présente Norme européenne spécifie les prescriptions relatives à la conception des réseaux d’évacuation et d’assainissement à l’extérieur des bâtiments.
Elle s’applique aux réseaux d’évacuation et d’assainissement, à partir du point où les eaux usées quittent un bâtiment, un système d’évacuation de toiture ou une surface revêtue, jusqu’au point où elles se déversent dans une station d’épuration ou un milieu récepteur aquatique.
Le présent document spécifie les prescriptions relatives à la conception hydraulique des réseaux d’évacuation et d’assainissement et à l’évaluation de la capacité des réseaux d’évacuation et d’assainissement existants.

Sistemi za odvod odpadne vode in kanalizacijo zunaj stavb - Načrtovanje - 2. del: Hidravlično dimenzioniranje

Ta evropski standard določa zahteve za sisteme za odvod odpadne vode in kanalizacijo zunaj stavb.
Uporablja se za sisteme za odvod odpadne vode in kanalizacijo zunaj stavb, ki delujejo zlasti s pomočjo gravitacije, od točke, kjer odpadne vode zapustijo stavbo, strešni drenažni sistem ali tlakovano območje, do točke, kjer se izlivajo v čistilne naprave za gospodinjske odplake ali sprejemajoče vodno telo.
Ta dokument določa zahteve za hidravlično dimenzioniranje sistemov za odvod odpadne vode in kanalizacijo ter oceno zmogljivosti obstoječih sistemov za odvod odpadne vode in kanalizacijo.

General Information

Status
Published
Publication Date
26-Sep-2017
Withdrawal Date
26-Mar-2018
Current Stage

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EN 16933-2:2017
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Standards Content (Sample)


SLOVENSKI STANDARD
01-november-2017
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+LGUDYOLþQRGLPHQ]LRQLUDQMH
Drain and sewer systems outside buildings - Design - Part 2: Hydraulic design
Entwässerungssysteme außerhalb von Gebäuden - Planung - Teil 2: Hydraulische
Berechnung
Réseaux d'évacuation et d'assainissement à l'extérieur des bâtiments - Conception -
Partie 2 : Conception hydraulique
Ta slovenski standard je istoveten z: EN 16933-2
ICS:
93.030 Zunanji sistemi za odpadno External sewage systems
vodo
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 16933-2
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2017
EUROPÄISCHE NORM
ICS 93.030
English Version
Drain and sewer systems outside buildings - Design - Part
2: Hydraulic design
Réseaux d'évacuation et d'assainissement à l'extérieur Entwässerungssysteme außerhalb von Gebäuden -
des bâtiments - Conception - Partie 2 : Conception Planung - Teil 2: Hydraulische Planung
hydraulique
This European Standard was approved by CEN on 30 July 2017.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16933-2 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Symbols and units . 10
5 General . 11
6 Design criteria . 12
7 Hydraulic capacity of pipelines . 12
7.1 Introduction . 12
7.2 Pipeline headlosses . 12
7.2.1 General . 12
7.2.2 The Colebrook-White formula. 12
7.2.3 The Manning formula . 13
7.2.4 Pipeline roughness values . 13
7.2.5 Pipeline headloss values . 13
7.3 Local headlosses . 13
7.4 Total headlosses . 13
8 Incoming flows . 14
8.1 Foul wastewater flows . 14
8.1.1 General . 14
8.1.2 Calculation of foul wastewater flow rates based on the appliances connected . 14
8.1.3 Calculation of foul wastewater flow rates from population and average flows . 14
8.2 Rainfall and runoff from precipitation . 15
8.2.1 Rainfall . 15
8.2.2 Runoff . 15
8.3 Extraneous flows . 16
9 Hydraulic calculation of drain and sewer systems . 17
9.1 General . 17
9.2 Flow in sewer systems . 17
9.3 Flow simulation methods . 19
9.3.1 Introduction . 19
9.3.2 Simple/empirical methods . 19
9.3.3 Other simplified methods . 19
9.3.4 Dynamic wave methods . 19
9.3.5 Selection of calculation method . 19
9.4 Surface flood routing . 20
9.5 Validation of models . 20
10 Hydraulic design . 21
10.1 Capacity of drains and sewers . 21
10.1.1 General . 21
10.1.2 Foul drains and sewers . 21
10.1.3 Surface water drains and sewers . 21
10.1.4 Combined drains and sewers . 22
10.2 Design for self-cleansing . 22
10.2.1 Sediment transport . 22
10.2.2 Minimization of blockages . 22
10.3 Sewers with steep gradients . 23
10.4 Surface water inlets . 23
10.5 Separators, screens and pretreatment devices . 23
10.5.1 General . 23
10.5.2 Control of sediments. 24
10.5.3 Control of grease and fats . 24
10.5.4 Control of light liquids . 25
10.5.5 Treatment of surface water to remove dissolved pollutants . 25
10.5.6 Screening . 26
10.6 Infiltration drainage systems . 26
10.7 Evaporation systems . 26
10.8 Manholes and inspection chambers . 26
10.9 Combined sewer overflows . 27
10.10 Tanks and ponds . 27
10.10.1 General . 27
10.10.2 Detention tanks . 27
10.10.3 Ponds . 28
10.11 Outfalls . 28
11 Sources of additional information . 28
Annex A (informative) Sources of additional information . 29
A.1 National Standards Bodies . 29
A.2 Austria . 29
A.2.1 Regulatory Bodies . 29
A.2.2 Other organisations . 29
A.3 Denmark . 29
A.3.1 Regulatory Bodies . 29
A.3.2 Other organisations . 30
A.4 France . 31
A.4.1 Regulatory Bodies .
...

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