NR NR/L3/CIV/006/1B ISSUE 3 PDF

This modules applies to the following groups of structures assets:

• Bridges;

• Culverts;

• Retaining Walls;

• Tunnels;

• Ancillary Structures.

This document does not apply to the following asset groups:

• Coastal, Estuarine and River Defences (CERDs);

NOTE1: See NR/L3/CIV/187

• Undertrack crossings;

• Reservoirs.

NOTE 2: refer to the Reservoir Act (1975)

This document applies to the following examination types:

• Detailed Examinations;

• Visual Examinations;

• Enhanced Examinations

• Underwater Examinations;

• Ancillary Examinations.

This document applies to structures:

• owned, and/or managed by Network Rail;

• not owned by Network Rail and located adjacent to Network Rail infrastructure where the Route Asset Manager (RAM) in accordance with NR/L1/CIV/032 has not been able to assure that a sufficient regime of risk controls exists.

This document does not cover the following aspects of examination:

• Managing Examination regimes for Structures;

NOTE 3: see NR/L3/CIV/006/1A

• Managing Additional Examinations;

NOTE 4: see NR/L3/CIV/006/1C

• Carrying out inspections for assessments

NOTE 5: see NR/L3/CIV/035

• Examinations for managing road vehicle incursion risk assessment.

NOTE 6: see NR/L3/CIV/00012

This document does not cover procedures for unplanned examinations undertaken in response to an incident.

Responsive procedures covered elsewhere are:

• Responsive Reports by Staff Operators and Public;

• Bridge Strike Incidents;

• Adverse and Extreme Weather Events.

Purpose

This module outlines the process to plan and undertake structures examinations.

Examinations identify changes to the asset, its use, and its environment to inform management decisions.

This module mitigates the risk of functional failures going undetected by the asset management teams [Structures]. Which may result in accidents and/or disruptions to the operation of the railway network.