BS EN 752:2017:2022 Edition

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Drain and sewer systems outside buildings. Sewer system management

Published By	Publication Date	Number of Pages
BSI	2022	130

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Description

This European Standard specifies the objectives for drain and sewer systems outside buildings. It specifies the functional requirements for achieving these objectives and the principles for strategic and policy activities relating to planning, design, installation, operation, maintenance and rehabilitation. It is applicable to drain and sewer systems from the point where wastewater leaves a building, roof drainage system, or paved area, to the point where it is discharged into a wastewater treatment plant or receiving water body. Drains and sewers below buildings are included provided that they do not form part of the drainage system for the building.

PDF Catalog

PDF Pages	PDF Title
2	undefined
12	1 Scope 2 Normative references
13	3 Terms and definitions
16	4 Objectives 4.1 General
17	4.2 Public health and safety 4.3 Occupational health and safety 4.4 Environmental protection
18	4.5 Sustainable development 5 Requirements 5.1 Functional requirements 5.1.1 Introduction
20	5.1.2 Protection from sewer flooding 5.1.3 Maintainability 5.1.4 Protection of surface receiving water bodies
21	5.1.5 Protection of groundwater 5.1.6 Prevention of odours and toxic, explosive and corrosive gases 5.1.7 Prevention of noise and vibration 5.1.8 Structural integrity and design working life 5.1.9 Watertightness 5.1.10 Sustainable use of products and materials 5.1.11 Sustainable use of energy 5.1.12 Maintaining the flow 5.1.13 Not endangering adjacent structures and utility services 5.1.14 Inputs quality
22	5.2 Determination of performance requirements for the drain and sewer system 5.2.1 Introduction
24	5.2.2 Environmental performance requirements
25	5.2.3 Hydraulic performance requirements
26	5.2.4 Structural requirements 5.2.5 Operational requirements 5.3 Design criteria 5.3.1 Introduction
27	5.3.2 Hydraulic design criteria 5.3.2.1 Introduction 5.3.2.2 Full pipe design rainfall criteria
28	5.3.2.3 Sewer flooding design criteria
29	5.3.2.4 Effect on downstream water bodies 5.3.3 Environmental design criteria
30	5.3.4 Structural design criteria
31	5.3.5 Operational criteria 6 Integrated sewer system management 6.1 Introduction
33	6.2 Investigation 6.2.1 Introduction
35	6.2.2 Purpose of investigation 6.2.3 Review of performance information 6.2.4 Determine the scope of the investigation 6.2.5 Review existing information 6.2.6 Inventory update
36	6.2.7 Hydraulic investigation 6.2.8 Environmental investigation 6.2.9 Structural investigation 6.2.10 Operational investigation
37	6.3 Assessment 6.3.1 Introduction 6.3.2 Assessment of the hydraulic performance
38	6.3.3 Assessment of environmental impact 6.3.4 Assess structural condition 6.3.5 Assess operational performance 6.3.6 Compare with performance requirements 6.3.7 Identify unacceptable impacts 6.3.8 Identify causes of performance deficiencies
39	6.4 Planning 6.4.1 Introduction 6.4.2 Develop integrated solutions
40	6.4.3 Assess solutions
41	6.4.4 Prepare action plans 6.4.4.1 Introduction 6.4.4.2 New development plan
42	6.4.4.3 Operations and maintenance plan
43	6.4.4.4 Rehabilitation plan
44	6.4.4.5 Contingency and emergency plan
45	6.5 Implementation 6.5.1 Introduction
46	6.5.2 Development of work programme
47	6.5.3 Development of work specification 6.5.4 Carrying out work 6.5.5 Measuring conformity 6.5.6 Review performance requirements and update plan 7 Health and safety
49	8 Design 8.1 General
50	8.2 Types of system
51	8.3 Physical layout 8.3.1 Preliminary investigations 8.3.2 Layout and profile
52	8.4 Hydraulic design 8.4.1 General 8.4.2 Foul drains and sewers 8.4.3 Surface water drain and sewer systems 8.4.3.1 General
53	8.4.3.2 Surface water inlets 8.4.3.3 Surface water drains and sewers 8.4.4 Combined drain and sewer systems
54	8.5 Environmental considerations 8.5.1 General
55	8.5.2 Protection of surface receiving water bodies 8.5.3 Protection of groundwater 8.5.4 Prevention of septicity
56	8.5.5 Combined sewer overflows and surface water treatment
57	8.5.6 Surface water outfalls 8.5.7 Emergency overflows 8.6 Structural design 8.6.1 Introduction
58	8.6.2 Structural design of pipelines 8.6.3 Structural design of other components 8.6.4 Materials selection
59	8.7 Operational considerations 8.7.1 General 8.7.2 Control of inputs 8.7.3 Self-cleansing conditions
60	8.7.4 Access to drains and sewers 9 Construction 9.1 General 9.2 Pipelines 9.3 Ancillaries
61	9.4 Testing 10 Operation and maintenance 10.1 Introduction
62	10.2 Monitoring
63	10.3 Data requirements 10.4 Investigation and analysis of operational problems
64	10.5 Dealing with major incidents 10.6 Techniques for operation and maintenance of components
65	11 Qualifications and training 12 Sources of additional information
66	Annex A (informative)Sources of additional information A.1 National Standards Bodies A.2 Austria A.2.1 Regulatory Bodies A.2.2 Other organizations A.3 Denmark A.3.1 Regulatory Bodies
67	A.3.2 Other organizations
68	A.4 Finland A.4.1 Regulatory Bodies A.4.2 Other organizations A.5 France A.5.1 Regulatory Bodies
69	A.5.2 Other organizations A.6 Germany A.6.1 Regulatory Bodies
70	A.6.2 Other organizations A.7 Ireland A.7.1 Regulatory Bodies A.8 Italy A.8.1 Regulatory Bodies A.8.2 Other organizations
71	A.9 The Netherlands A.9.1 Regulatory Bodies A.9.2 Other organizations
72	A.10 Norway A.10.1 Regulatory Bodies A.10.2 Other organizations A.11 Portugal A.11.1 Regulatory Bodies A.11.2 Other organizations
73	A.12 Sweden A.12.1 Regulatory Bodies A.12.2 Other organizations A.13 Switzerland A.13.1 Regulatory Bodies
74	A.13.2 Other organizations A.14 United Kingdom A.14.1 Regulatory Bodies A.14.1.1 General A.14.1.2 England
75	A.14.1.3 Wales A.14.1.4 Scotland A.14.1.5 Northern Ireland
76	A.14.2 Other organizations
77	Annex B (informative)Rehabilitation approaches
79	Annex C (informative)Operation and maintenance techniques C.1 Pipelines C.1.1 General C.1.2 Functional problems C.1.3 Structural problems
80	C.2 Manholes and inspection chambers C.3 Combined sewer overflows
81	C.4 Detention tanks C.5 Separators, settling chambers and gullies C.6 Pumping installations C.7 Inverted siphons
82	C.8 Pest control C.9 Making connections to existing drains and sewers C.10 Control of disused drains and sewers C.11 Control of building over or adjacent to sewers
84	Annex D (normative)Physical layout of the system D.1 Preliminary investigations D.1.1 General D.1.2 Topography D.1.3 Geotechnical survey
85	D.1.4 Groundwater D.1.5 Existing drainage services D.1.6 Other existing utility services D.2 Layout and profile D.2.1 Introduction D.2.2 Layout
86	D.2.3 Accessibility D.2.3.1 General D.2.3.2 Location of manholes and inspection chambers
87	D.2.4 Depth D.2.5 Need for pumping
88	D.2.6 Pumping installations D.2.7 Drains and sewers near water abstraction areas D.3 Access to drains and sewers

Additional information

Status	Confirmed
Title	Drain and sewer systems outside buildings. Sewer system management
Corrects	BS EN 752:2017
Replaces	BS EN 752:2008, BS EN 752:2008
Publisher	BSI
Committee	B/505/22
Pages	130
Publication Date	2022-03-01
ISBN	978 0 539 21264 8
Standard Number	BS EN 752:2017
Identical National Standard Of	EN 752:2017
Descriptors	Legislation, Structural design, Surface-water drainage, Drainpipes, Installation, Design, Sewers, Sewerage, Planning, Drainage, Sewage engineering, Waste disposal engineering, Sanitary engineering, Maintenance, Waste-water drainage, External
ICS Codes	93.030 - External sewage systems

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