NR NR/L3/CIV/041 ISSUE 3 PDF

This standard applies to Waterproofing Systems for use on ballasted Underline Bridge decks.

It is not applicable to;

• other parts of Underline Bridges, such as below ground surfaces and abutments,

• Underline Bridges constructed by a tunnelling technique where the external faces are inaccessible for the application of waterproofing,

• overline bridges,

• the repair of existing Waterproofing Systems¹.

Purpose

The purpose of this standard is to define;

• the test methods, performance criteria, certification and registration requirements for Waterproofing Systems,

• the requirements to be considered when selecting a Waterproofing System,

• the detailing of a Waterproofing System,

• the requirements for applying a Waterproofing System.

The requirements of this standard are embodied in the 110-114 Sections of Model Clauses as given in NR/L3/CIV/140: Model Clauses for Civil Engineering works.

Further information and guidance on Waterproofing Systems is provided in NR/GN/CIV/001: Waterproofing Underline Bridge decks.

¹ This requires specialist advice and consultation with Network Rail.