NR NR/L2/ELP/40069 ISSUE 1 PDF

This specification is applicable to railway pumping installations for the direct purpose of water or sewage drainage or extraction. It covers wet/dry well, suction lift, submersible and screw type installations.

 Excluded from the scope of this specification are installations that incorporate pumps as a means of moving or transferring water or sewage as part of a larger system, such as macerators or interceptors. Also excluded are installations greater than 150kW total installed load.

Purpose

This Network Rail standard specifies the fundamental requirements for all railway pumping installations on Network Rail Infrastructure.

It also offers guidance on practical considerations and system configurations for the design and maintainability of such pumping installations to prevent danger and sustain the cost-effectiveness of equipment operation.

Assessment of compliance with the guidance contained herein shall be made at the AIP stage of a project.