scope:

This module applies to all the functions that contribute to the inspection phase of the drainage life cycle. This includes both the Route Asset Manager (RAM) and Maintenance functions.

This module defines the requirements for the following Ellipse Standard Jobs:

a) Drainage System Defect Inspection (standard job 009045)

b) Drainage System Condition Inspection (standard job 009616)

This document does not cover:

a) Drainage Assessment (standard job 009620), the requirements of which are specified in NR/L2/CIV/005/08, Drainage Assessment.

b) Drainage Surveys (standard job 009621 and 009692), the requirements of which are specified in NR/L2/CIV/005/05, Drainage Surveys.

c) Examination of the structural integrity of culverts (greater than 450mm in internal diameter), the requirements of which are specified in NR/L3/CIV/006/1C, Handbook of the Examination of Structures, Part 3A: Culverts.

Purpose

This module helps mitigate the risk of drainage system failure by specifying the requirements for inspecting railway drainage systems. The module forms part of the Drainage NR/L2/CIV/005 manual as shown in the process map in NR/L2/CIV/005, Drainage System Manual.