BS EN 16922:2026

This standard BS EN 16922:2026 Railway applications. Ground based service. Vehicle waste water discharge equipment is classified in these ICS categories:

• 45.060.20 Trailing stock

This document specifies the interface requirements for controlled emission toilet equipment on railway vehicles and the infrastructure, including catering area sink waste retention tanks. Vehicle and infrastructure specific requirements are also given. The document includes fixed and portable infrastructure equipment used to empty retention tanks, but excludes equipment fitted to railway vehicles where no fixed connections are used between vehicle and infrastructure.