: Defines essential performance goals like preventing blockages, ensuring gas tightness to stop odours, and maintaining hygiene.
: Drainage must operate without causing danger, nuisance, or damage to building structures or other appliances. bs en 120561 pdf free download top
: Systems must be designed and installed from materials that provide adequate hydraulic capacity, along with structural and chemical resistance. ensuring gas tightness to stop odours
Please note that these standards are subject to periodic review and may have been updated or superseded. It's essential to verify the standard's status and ensure you're referencing the latest version. bs en 120561 pdf free download top