What is BS EN 14654‑3 about?  
BS EN 14654‑3 is the third part of the multi-series of documents that is applicable to drain and sewer systems outside buildings. BS EN 14654‑3 establishes requirements for the management and control of activities in drain and sewer cleaning outside buildings and specifies requirements for the development and implementation of work programs, and the selection of techniques.
Note 1: It is applicable to drain and sewer systems from the point where wastewater leaves a building, roof the drainage system, or paved area, to the point where it is discharged into a wastewater treatment plant or receiving water body.
Note 2: Drains and sewers below buildings are included provided that they do not form part of the drainage system of the building.
Who is BS EN 14654‑3?
BS EN 14654‑3 on cleaning of drain and sewer systems outside buildings is applicable to: 
- Management and operators of drain and sewers
- Private and public organizations involved in urban planning and development
- Contractors and designers of sewage systems
- Sewer management bodies
- Public health and safety departments
- Environmentalists
Why should you use BS EN 14654‑3?  
Lack of proper drainage systems can lead to several issues like flooding, collapse of the building and unhygienic conditions. Underground drainage system minimizes the risk of water flooding at your property. The basic goal of a drainage system is to collect and eliminate waste matter in a systematic manner. Drainage systems are intended to dispose wastewater as fast as feasible and to keep sewage and septic tank gases out of residential areas to prevent diseases.
Cleaning activities are one aspect of the maintenance plan the series of standard deals with, as part of an integrated sewer system management plan. A maintenance plan dealing with cleaning activities should be in place for the drain and sewer system prior to carrying out major programs of sewer cleaning. BS EN 14654‑3 lets you achieve success in these activities by guiding you with procedures to be followed in order to conduct the cleaning process in an efficient manner.
The guidelines given in BS EN 14654‑3 will help you ensure quality and performance by providing a detailed procedure for cleaning activities, which will increase your credibility through the adoption of best practices.
