1、BRITISH STANDARD BS EN752:2008Drain and sewersystems outsidebuildingsICS 93.030g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Incorporating Corrige
2、ndum October 2009BS EN IncorporatingCorrigenda October 2009 and November 2013BS EN 752:2008This British Standard waspublished under the authorityof the Standards Policy andStrategy Committee on 30 April 2008 BSI 2009ISBN 978 0 580 69252 9National forewordThis British Standard is the UK implementatio
3、n of EN 752:2008. It supersedesBS EN 752, Parts 1 to 7, which have been withdrawn.The UK participation in its preparation was entrusted to Technical CommitteeB/505, Wastewater engineering.A list of organizations represented on this committee can be obtained onrequest to its secretary.The British Sta
4、ndard contains both the text of the European Standard togetherwith a National Annex, which gives further UK-specific guidance on theapplication of the European text. The European Standard should therefore beread in conjunction with the National Annex and, to assist in this, crossreferences to the cl
5、auses in the European text are included in the headings inthe National Annex.This revision of EN 752 includes some important and timely changes. It takesa more integrated view of sewer system management in the context of thewider urban drainage system and the wider water environment. This bothsuppor
6、ts the current initiative on integrated urban drainage management inthe UK and is essential for the proper implementation of the Water FrameworkDirective. In response to climate change, the European text introduces theconcept of exceedence flood risk assessment and further UK guidance on thisis give
7、n in the National Annex.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity fromlegal obligations.Amendments/corrigenda issued since publicationDate Comment
8、s31 October 2009 Correction to N.A 5.8, value bBS EN 752:2008ISBN 978 0 580 84887 2Amendments/corrigenda issued since publicationDate Comments31 October 2009 Correction to N.A 5.8, value b30 November 2013 National Annex NA revisedThis British Standard was published under the authority of the Standar
9、ds Policy and Strategy Committee on 30 April 2008 The British Standards Institution 2013. Published by BSI Standards Limited 2013EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 752January 2008ICS 93.030 Supersedes EN 752-1:1995, EN 752-2:1996, EN 752-3:1996, EN 752-4:1997, EN 752-5:1997, EN 752-6:
10、1998,EN 752-7:1998 English VersionDrain and sewer systems outside buildingsRseaux dvacuation et dassainissement lextrieur desbtimentsEntwsserungssysteme auerhalb von GebudenThis European Standard was approved by CEN on 24 November 2007.CEN members are bound to comply with the CEN/CENELEC Internal Re
11、gulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This
12、European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the n
13、ational standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and
14、 United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 752:2008: E
15、EN 752:2008 (E) 2 Contents Page Foreword7 1 Scope 10 2 Normative references 10 3 Terms and definitions .11 4 Objectives.19 4.1 General19 4.2 Public Health and Safety.20 4.3 Occupational Health and Safety.20 4.4 Environmental Protection .20 4.5 Sustainable Development .20 5 Requirements.21 5.1 Functi
16、onal Requirements21 5.1.1 Introduction21 5.1.2 Protection from flooding.22 5.1.3 Maintainability22 5.1.4 Protection of surface receiving waters .22 5.1.5 Protection of groundwater22 5.1.6 Prevention of odours and toxic, explosive and corrosive gases .23 5.1.7 Prevention of noise and vibration23 5.1.
17、8 Sustainable use of products and materials 23 5.1.9 Sustainable use of energy 23 5.1.10 Structural integrity and design life 23 5.1.11 Maintaining the flow 23 5.1.12 Watertightness.23 5.1.13 Not endangering adjacent structures and utility services 23 5.1.14 Inputs quality23 5.2 Determination of per
18、formance requirements for the drain and sewer system .23 6 Integrated Sewer System Management.26 6.1 Introduction26 6.2 Investigation.27 6.2.1 Introduction27 6.2.2 Purpose of investigation.28 6.2.3 Review of performance information 28 6.2.4 Determine the scope of the investigation .30 6.2.5 Review e
19、xisting information.30 6.2.6 Inventory update31 6.2.7 Hydraulic investigation .31 6.2.8 Environmental investigation.31 6.2.9 Structural investigation.32 6.2.10 Operational Investigation32 6.3 Assessment33 6.3.1 Introduction33 6.3.2 Assessment of the hydraulic performance.33 6.3.3 Assessment of envir
20、onmental impact.33 6.3.4 Assess structural condition .34 6.3.5 Assess operational performance.34 6.3.6 Compare with performance requirements 34 6.3.7 Identify unacceptable impacts .34 6.3.8 Identify causes of performance deficiencies34 BS EN 752:2008EN 752:2008 (E) 7 Foreword This document (EN 752:2
21、008) has been prepared by Technical Committee CEN/TC 165 “Wastewater Engineering”, the secretariat of which is held by DIN. 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 2008, and conflicti
22、ng national standards shall be withdrawn at the latest by July 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document sup
23、ersedes EN 752-1:1995, EN 752-2:1996, EN 752-3:1996, EN 752-4:1997, EN 752-5:1997, EN 752-6:1998, EN 752-7:1998. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Bulgaria
24、, Cyprus, CzechRepublic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 752:2008EN 752:2008 (E) 2 C
25、ontents Page Foreword7 1 Scope 10 2 Normative references 10 3 Terms and definitions .11 4 Objectives.19 4.1 General19 4.2 Public Health and Safety.20 4.3 Occupational Health and Safety.20 4.4 Environmental Protection .20 4.5 Sustainable Development .20 5 Requirements.21 5.1 Functional Requirements21
26、 5.1.1 Introduction21 5.1.2 Protection from flooding.22 5.1.3 Maintainability22 5.1.4 Protection of surface receiving waters .22 5.1.5 Protection of groundwater22 5.1.6 Prevention of odours and toxic, explosive and corrosive gases .23 5.1.7 Prevention of noise and vibration23 5.1.8 Sustainable use o
27、f products and materials 23 5.1.9 Sustainable use of energy 23 5.1.10 Structural integrity and design life 23 5.1.11 Maintaining the flow 23 5.1.12 Watertightness.23 5.1.13 Not endangering adjacent structures and utility services 23 5.1.14 Inputs quality23 5.2 Determination of performance requiremen
28、ts for the drain and sewer system .23 6 Integrated Sewer System Management.26 6.1 Introduction26 6.2 Investigation.27 6.2.1 Introduction27 6.2.2 Purpose of investigation.28 6.2.3 Review of performance information 28 6.2.4 Determine the scope of the investigation .30 6.2.5 Review existing information
29、.30 6.2.6 Inventory update31 6.2.7 Hydraulic investigation .31 6.2.8 Environmental investigation.31 6.2.9 Structural investigation.32 6.2.10 Operational Investigation32 6.3 Assessment33 6.3.1 Introduction33 6.3.2 Assessment of the hydraulic performance.33 6.3.3 Assessment of environmental impact.33
30、6.3.4 Assess structural condition .34 6.3.5 Assess operational performance.34 6.3.6 Compare with performance requirements 34 6.3.7 Identify unacceptable impacts .34 6.3.8 Identify causes of performance deficiencies34 BS EN 752:2008EN 752:2008 (E) 2 Contents Page Foreword7 1 Scope 10 2 Normative refe
31、rences 10 3 Terms and definitions .11 4 Objectives.19 4.1 General19 4.2 Public Health and Safety.20 4.3 Occupational Health and Safety.20 4.4 Environmental Protection .20 4.5 Sustainable Development .20 5 Requirements.21 5.1 Functional Requirements21 5.1.1 Introduction21 5.1.2 Protection from floodi
32、ng.22 5.1.3 Maintainability22 5.1.4 Protection of surface receiving waters .22 5.1.5 Protection of groundwater22 5.1.6 Prevention of odours and toxic, explosive and corrosive gases .23 5.1.7 Prevention of noise and vibration23 5.1.8 Sustainable use of products and materials 23 5.1.9 Sustainable use
33、of energy 23 5.1.10 Structural integrity and design life 23 5.1.11 Maintaining the flow 23 5.1.12 Watertightness.23 5.1.13 Not endangering adjacent structures and utility services 23 5.1.14 Inputs quality23 5.2 Determination of performance requirements for the drain and sewer system .23 6 Integrated
34、 Sewer System Management.26 6.1 Introduction26 6.2 Investigation.27 6.2.1 Introduction27 6.2.2 Purpose of investigation.28 6.2.3 Review of performance information 28 6.2.4 Determine the scope of the investigation .30 6.2.5 Review existing information.30 6.2.6 Inventory update31 6.2.7 Hydraulic inves
35、tigation .31 6.2.8 Environmental investigation.31 6.2.9 Structural investigation.32 6.2.10 Operational Investigation32 6.3 Assessment33 6.3.1 Introduction33 6.3.2 Assessment of the hydraulic performance.33 6.3.3 Assessment of environmental impact.33 6.3.4 Assess structural condition .34 6.3.5 Assess
36、 operational performance.34 6.3.6 Compare with performance requirements 34 6.3.7 Identify unacceptable impacts .34 6.3.8 Identify causes of performance deficiencies34 BS EN 752:2008EN 752:2008 (E) 3 6.4 Developing the Plan 34 6.4.1 Introduction34 6.4.2 Develop integrated solutions .35 6.4.3 Assess S
37、olutions.386.4.4 Prepare action plan .39 6.5 Implementation 40 6.5.1 Introduction406.5.2 Carry out work .40 6.5.3 Monitoring performance .41 6.5.4 Review performance requirements and update plan.417 Health and Safety Principles 418 Design Principles 428.1 .428.2 Types of systems 428.3 Layout and pro
38、file .438.4 Hydraulic Design .448.4.1 General .448.4.2 Foul drains and sewers.44 8.4.3 Surface water drains and sewers 45 8.4.4 Combined drains and sewers 478.5 Environmental Considerations .478.5.1 General .478.5.2 Protection of surface receiving waters .498.5.3 Protection of Groundwater.498.5.4 Pr
39、evention of septicity498.5.5 Combined sewer overflows and surface water treatment.508.5.6 Emergency overflows .508.6 Structural Design.508.6.1 Introduction508.6.2 Structural design of pipelines518.6.3 Structural design of other components518.6.4 terials selection 518.7 Operational Considerations .52
40、8.7.1 General .528.7.2 Separators528.7.3 Self-cleansing conditions.528.7.4 Access to drains and sewers .539 Detailed Design539.1 Introduction539.2 Layout and profile .539.2.1 Introduction539.2.2 Layout.539.2.3 Accessibility.549.2.4 Depth.549.2.5 Need for pumping559.2.6 Pumping Installations .559.3 P
41、reliminary Investigations569.3.1 General .569.3.2 Topography569.3.3 Geotechnical Survey.569.3.4 Groundwater 579.3.5 Existing drainage services .579.3.6 Other existing utility services 579.3.7 Extraneous water.579.4 Hydraulic Design .579.4.1 Introduction579.4.2 Foul drains and sewers.579.4.3 Surface
42、water drains and sewers 58BS EN 752:2008EN 752:2008 (E) 4 9.4.4 Combined drains and sewers.58 9.4.5 Capacity of pipelines.59 9.4.6 Sewers with steep gradients 59 9.4.7 Outfall Design Requirements .60 9.5 Environmental Considerations.60 9.5.1 Introduction60 9.5.2 Outfall Design Requirements .60 9.5.3
43、 Prevention of septicity 60 9.5.4 Drains and sewers near water abstraction areas.61 9.6 Operational Considerations61 9.6.1 Introduction61 9.6.2 Separators 61 9.6.3 Design for self-cleansing 61 9.6.4 Access to drains and sewers .62 10 Construction Principles 63 10.1 General63 10.2 Pipelines .63 10.3
44、Ancillaries.63 11 Operations and Maintenance64 11.1 Introduction64 11.2 Objectives.65 11.3 Data requirements .65 11.4 Investigation and analysis of operational problems66 12 Performance testing 67 13 Qualifications and Training 67 14 Sources of Additional Information.68 Annex A (informative) Relevan
45、t EU Directives.69 A.1 Introduction69 A.2 Relevant Directives69 Annex B (informative) Sources of Additional Information70 B.1 National Standards Bodies .70 B.2 Austria.70 B.2.1 Regulatory Bodies .70 B.2.2 Other organisations.70 B.3 Denmark71 B.3.1 Regulatory Bodies .71 B.3.2 Other organisations.71 B
46、.4 France .72 B.4.1 Regulatory Bodies .72 B.4.2 Other organisations.72 B.5 Germany .72 B.5.1 Regulatory Bodies .72 B.5.2 Other organisations.73 B.6 Ireland .73 B.7 Italy73 B.7.1 Regulatory Bodies .73 B.7.2 Other organisations.73 B.8 The Netherlands.74 B.8.1 Regulatory Bodies .74 B.8.2 Other organisa
47、tions.74 B.9 Norway 75 B.9.1 Regulatory Bodies .75 B.9.2 Other organisations.75 B.10 Portugal 75 B.10.1 Regulatory Bodies .75 B.10.2 Other organisations.76 BS EN 752:2008EN 752:2008 (E) 3 6.4 Developing the Plan 34 6.4.1 Introduction34 6.4.2 Develop integrated solutions .35 6.4.3 Assess Solutions.38
48、 6.4.4 Prepare action plan .39 6.5 Implementation 40 6.5.1 Introduction40 6.5.2 Carry out work .40 6.5.3 Monitoring performance .41 6.5.4 Review performance requirements and update plan.41 7 Health and Safety Principles 41 8 Design Principles 42 8.1 General .42 8.2 Types of systems 42 8.3 Layout and
49、 profile .43 8.4 Hydraulic Design .44 8.4.1 General .44 8.4.2 Foul drains and sewers.44 8.4.3 Surface water drains and sewers 45 8.4.4 Combined drains and sewers 47 8.5 Environmental Considerations 47 8.5.1 General .47 8.5.2 Protection of surface receiving waters .49 8.5.3 Protection of Groundwater.49 8.5.4 Prevention of septicity498.5.5 Combined sewer overflows and surface water treatment.50 8.5.6 Emergency overflows .50 8.6 Structural Design.508.6.1 Introduction50 8.6.2 Structural design of pipelines51 8.6.3 Structural design of other components51 8.6.4 Materials sel
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