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B/504/-/1 - Water Supply - External systems and components

Sector: Construction

Categories: Water. Drinking | External water conveyance systems | Pipelines. General | Water supply | Water quality. General

Overview: Under the direction of B/504 is responsible for the development and maintenance of standards for systems and components relating to external mains water supply. Provides the UK input to CEN/TC 164/WG 1.

Committee standards activity

In Progress (2)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 1508:2025 Water supply - Requirements for systems and components for the storage of water

Categories: Water. Drinking | External water conveyance systems

Approval begins : 		Approval
BS EN 1508 Water supply - Requirements for systems and components for the storage of water

Categories: Unclassified documents

Proposal begins : 		Proposal
Published (1)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 805:2025 Water supply. Requirements for systems and components outside buildings

Categories: Water quality. General | Pipelines. General | Water supply | External water conveyance systems

Published standard begins : 2025-04-28 		Published standard
Withdrawn (1)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 805:2000 Water supply. Requirements for systems and components outside buildings

Categories: Water quality. General | Pipelines. General | Water supply

Withdrawn begins : 2025-04-28 		Withdrawn