British Standards Institution

Sector: Construction

Overview: Under the direction of B/505, is responsible for the development and maintenance of standards in the engineering aspects of wastewater collection, drainage and treatment, up to the point of disposal. Subjects covered include pipes and fittings, manhole and other access covers, gullies, separators, pipe laying technology, waste outlets and traps, renovation and repair of drains and sewers, drainage systems inside and outside buildings, sewer and drain cleaning operations, positive and negative pressure systems, wastewater treatment plants and, in liaison with B/504

Committee standards activity

In Progress (15)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
ISO/TC 282/SC 2 N 205 - ISO/NP 24575	Guidelines for Cost Analysis in Planning of Decentralized Wastewater Treatment in Urban Areas Categories: Information management \| Standardization. General rules \| Environment \| Wastes \| Wastes. General \| Water quality \| Water quality. General \| Water quality. Other Proposal begins : 2019-07-11	Proposal
CEN/TC 165 N 3380	Wastewater treatment plants - Part 8: Sludge treatment and storage Categories: Information management \| Standardization. General rules \| Environment \| Wastes \| Wastes. Other \| Water quality \| Water. Sewage Proposal begins : 2021-02-01	Proposal
CEN/TC 165 N 3219, EN ISO 11296-9	Plastics piping systems for the renovation of underground non-pressure drainage and sewerage networks - Part 9: Lining with a rigidly anchored plastics inner layer Categories: Environment \| Wastes \| Wastes. Liquid \| Waste. Equipment and installations. Disposal and treatment. \| Fluid systems and components \| Pipelines \| Pipelines. Plastics \| Manufacturing \| Rubber and plastic industries \| Plastics \| Construction \| Civil engineering \| External water conveyance systems \| External sewage systems \| Waterway, port and dyke construction Proposal begins : 2019-11-01	Proposal
CEN/TC 165 N 3195 , EN 1253-8	Gullies for buildings - Part 8: Trapped floor gullies with combined mechanical closure and water seal Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Construction industry \| Construction industry. General \| Buildings \| Buildings. General Proposal begins : 2019-07-31	Proposal
CEN/TC 165 N 3194 , - EN 1253-7	Gullies for buildings - Part 7: Trapped floor gullies with mechanical closure Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Construction industry \| Buildings. General \| Buildings. Commerce and industry \| Buildings. Other Proposal begins : 2019-07-31	Proposal
CEN/TC 165 N 3193, EN 1253-6	Gullies for buildings - Part 6: Trapped floor gullies with a depth water seal of less than 50 mm Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Construction industry \| Construction industry. General \| Buildings \| Buildings. General Proposal begins : 2019-07-31	Proposal
CEN/TC 165 N 3182, Revision of EN 476:2011 -	General requirements for components used in drains and sewers Categories: Information management \| Standardization. General rules \| Environment \| Wastes. Other \| Construction \| Construction materials and building \| Construction industry Proposal begins : 2019-07-31	Proposal
BS 9295+A1	Guide to the structural design of buried pipelines Categories: Pipelines. General \| External sewage systems Comment resolution begins : 2024-07-26	Comment resolution
BS 9295: 2018	Guide to the structural design of buried pipelines Categories: Information management \| Standardization. General rules \| Environment \| Wastes \| Water quality. Other \| Engineering \| Fluid systems and components \| Pipelines Proposal begins : 2021-07-23	Proposal
BS 8490	Siphonic roof drainage systems – Guidance Categories: Roofs \| Drainage Public comment begins : 2024-06-28	Public comment

Published (76)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD CEN/TR 16626:2014	Vitrified clay pipe systems for drains and sewers. Guidance for voluntary third-party certification procedures Categories: Pipelines. General \| \| External sewage systems Published standard begins : 2014-01-15	Published standard
PD CEN/TR 15897:2018	Submerged Membrane Bioreactor (MBR) technology Categories: Water. Sewage Published standard begins : 2018-12-07	Published standard
PD CEN/TR 14920:2005	Jetting resistance of drain and sewer pipes. Moving jet test method Categories: External sewage systems Published standard begins : 2005-05-26	Published standard
PD CEN/TR 1295-4:2015	Structural design of buried pipelines under various conditions of loading. Parameters for reliability of the design Categories: Pipelines. General Published standard begins : 2015-09-28	Published standard
PD CEN/TR 1295-2:2005	Structural design of buried pipelines under various conditions of loading. Summary of nationally established methods of design Categories: Pipelines. General Published standard begins : 2006-10-11	Published standard
BS EN 858-2:2003	Separator systems for light liquids (e.g. oil and petrol). Selection of nominal size, installation, operation and maintenance Categories: Water quality. Other \| External sewage systems Published standard begins : 2003-04-14	Published standard
BS EN 858-1:2002	Separator systems for light liquids (e.g. oil and petrol). Principles of product design, performance and testing, marking and quality control Categories: Water quality. Other \| Mineral materials and products \| External sewage systems Published standard begins : 2002-02-25	Published standard
BS EN 588-2:2001	Fibre-cement pipes for sewers and drains. Manholes and inspection chambers Categories: External sewage systems Published standard begins : 2002-04-04	Published standard
BS EN 476:2022	General requirements for components used in drains and sewers Categories: Pipelines. General \| \| Drainage \| External sewage systems Published standard begins : 2022-05-13	Published standard
BS EN 295-7:2013	Vitrified clay pipe systems for drains and sewers. Requirements for pipes and joints for pipe jacking Categories: Pipelines and fittings. Other materials \| Drainage \| External sewage systems \| Published standard begins : 2013-02-14	Published standard

Withdrawn (68)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
CEN/TR 15128:2005	CEN/TR15128 : 2005 Survey of European Standards for rehabilitation of drain and sewer systems Categories: External sewage systems Withdrawn begins : 2016-05-10	Withdrawn
BS EN 773:1999	General requirements for components used in hydraulically pressurized discharge pipes, drains and sewers Categories: Pipelines. General \| Drainage \| External sewage systems Withdrawn begins : 2011-01-27	Withdrawn
BS EN 752:2008	Drain and sewer systems outside buildings Categories: \| External sewage systems Withdrawn begins : 2009-10-20	Withdrawn
BS EN 476:2011	General requirements for components used in drains and sewers Categories: Pipelines. General \| Drainage \| External sewage systems Withdrawn begins : 2022-05-13	Withdrawn
BS EN 295-5:1994	Vitrified clay pipes and fittings and pipe joints for drains and sewers. Requirements for perforated vitrified clay pipes and fittings Categories: \| Pipelines and fittings. Other materials \| Drainage \| External sewage systems Withdrawn begins : 2013-02-14	Withdrawn
BS EN 295-10:2005	Vitrified clay pipes and fittings and pipe joints for drains and sewers. Performance requirements Categories: Pipelines and fittings. Other materials \| Withdrawn begins : 2013-02-14	Withdrawn
BS EN 295-1:1991	Vitrified clay pipes and fittings and pipe joints for drains and sewers. Requirements Categories: \| Pipelines and fittings. Other materials \| Drainage \| External sewage systems Withdrawn begins : 2013-02-13	Withdrawn
BS EN 1916:2002	Concrete pipes and fittings, unreinforced, steel fibre and reinforced Categories: Pipelines and fittings. Other materials \| External sewage systems Withdrawn begins : 2007-03-02	Withdrawn
BS EN 15885:2010	Classification and characteristics of techniques for renovation and repair of drains and sewers Categories: External sewage systems Withdrawn begins : 2018-11-15	Withdrawn
BS EN 14654-2:2013	Management and control of operational activities in drain and sewer systems outside buildings. Rehabilitation Categories: External sewage systems Withdrawn begins : 2021-01-29	Withdrawn

Message Committee Become a committee member

Committee members

Nominating organizations

British Plastics Federation
British Water
C I P H E - Chartered Institute of Plumbing and Heating Engineering
C P S A - Concrete Pipeline Systems Association
Changed from 'UK Rainwater Management Association' 23/01/2020
Clay Pipe Development Association Limited
Committee Manager
Construction Products Association
Future Water Association
Institution of Civil Engineers
UK Rainwater Management Association
UK Steel
Water UK

Liaisons with other committees

Chair - B/505/12
Chair - B/505/12/P1
Chair - B/505/22
Chair - B/505/40
Chair - B/505/41
Chair - B/505/50
Chair - B/505/9/P7
Convenor - CEN/TC 165/WG 2
Individual Capacity - Building Expertise Ltd
Individual Capacity - Underground Access
Liaison - CB/506
Liaison - ISE/110
Liaison - PRI/70
Liaison - PRI/88
Liaison - PSE/10

BSI roles

Committee Chair

Standards Development

B/505 - Wastewater engineering

Committee standards activity