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B/505/40 - Wastewater Treatment Plants > 50 PT

Sector: Construction

Categories: Water. Examination. Chemical substances | Drainage | | Water. Sewage | Wastes. Liquid

Overview: Under the direction of B/505, is responsible for the UK input to CEN/TC 165/WG 40.

Committee standards activity

In Progress (4)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

BS ISO 31800:2020 Faecal sludge treatment units -- Energy independent, prefabricated, community-scale, resource recovery units -- Safety and performance requirements

Categories: Wastes. Liquid

Approval begins : 2020-07-13
Approval
BS EN 12255-7:2024 Wastewater treatment plants. - Part 7: Biological fixed-film reactors

Categories: Water. Sewage

Approval begins :
Approval
BS EN 12255-2 Wastewater treatment plants. - Part 2: Storm water management systems

Categories: Water. Sewage

Public comment begins : 2024-06-27
Public comment
BS EN 12255-15 Wastewater treatment plants. - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants

Categories: Unclassified documents

Drafting begins : 2026-07-17
Drafting
Published (14)
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 17614:2021 Standard method for assessing and improving the energy efficiency of waste water treatment plants

Categories: Water. Examination. Chemical substances |

Published standard begins : 2021-01-19
Published standard
BS EN 12255-9:2023 Wastewater treatment plants. Odour control and ventilation

Categories: Water. Sewage

Published standard begins : 2023-12-19
Published standard
BS EN 12255-8:2024 Wastewater treatment plants. Sludge treatment and storage

Categories: Water. Sewage

Published standard begins : 2024-05-09
Published standard
BS EN 12255-6:2023 Wastewater treatment plants. Activated sludge process

Categories: Water. Sewage

Published standard begins : 2023-07-21
Published standard
BS EN 12255-5:2024 Wastewater treatment plants. Lagooning processes

Categories: Water. Sewage

Published standard begins : 2024-03-22
Published standard
BS EN 12255-4:2023 Wastewater treatment plants. Primary treatment

Categories: Water. Sewage

Published standard begins : 2023-03-09
Published standard
BS EN 12255-3:2024 Wastewater treatment plants. Preliminary treatment

Categories: Water. Sewage

Published standard begins : 2024-02-21
Published standard
BS EN 12255-16:2021 Wastewater treatment plants. Physical (mechanical) filtration

Categories: Water. Sewage

Published standard begins : 2021-08-03
Published standard
BS EN 12255-14:2023 Wastewater treatment plants. Disinfection

Categories: Water. Sewage

Published standard begins : 2023-07-07
Published standard
BS EN 12255-13:2023 Wastewater treatment plants. Chemical treatment. Treatment of wastewater by precipitation/flocculation

Categories: Water. Sewage

Published standard begins : 2023-07-20
Published standard
Withdrawn (0)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.