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  • BSI
    PAS 128:2014 Specification for underground utility detection, verification and location
    Edition: 2014
    $221.68
    / user per year

Description of PAS 128:2014 2014

This PAS specifies requirements for the detection, verification and location of existing and new underground utilities.

It applies to the detection, verification and location of active, abandoned, redundant or unknown underground utilities and the location of their associated surface features (e.g. manhole covers and utility markers). It applies regardless of where these utilities are located (e.g. in urban or rural areas, in the street, or on private sites such as hospitals or airfields). It applies to utilities buried no deeper than three metres.

This PAS sets out the accuracy to which the data are captured, the quality expected of these data and a means by which to assess and indicate the confidence that can be placed in such data.

More specifically it covers:

  1. project planning and scoping process;

  2. classification system for quality levels based on survey type, location accuracy, inclusion of post- processing and level of supporting data;

  3. desktop utility records search;

  4. detection;

  5. verification;

  6. location;

  7. deliverables.

It does not cover:

  1. emergency utility works as defined by legislation [2] or where there is imminent risk to life, limb or environment;

  2. underground basements, underground tunnels (including railways, road tunnels, and underground pedestrian walkways), plant rooms and non-utility based features;

  3. above surface utility infrastructure (such as overhead power or telecommunication lines).

This PAS is for use by practitioners (usually a surveyor, geophysicist or subsurface utility engineer). It also might be of interest to clients (such as engineers, constructors, project managers and utility owners), who are responsible for recording information about underground utilities.

Where ground investigation, borehole, trial pit works and other construction works are proposed, a current utility mapping survey conforming to this PAS can be used as an indicator of the presence or absence of underground utilities before conducting further ground investigation prior to breaking ground.



Standard NumberPAS 128:2014
TitleSpecification for underground utility detection, verification and location
StatusWithdrawn
Publication Date2014-06-30
Withdrawn Date2022-04-26
Replaced ByPAS 128:2022
DescriptorsUnderground, Underground structures, Data, Electric cables, Quality, Verification, Surfaces, Pipes, Classification systems, Manholes, Planning
ICS91.140.01 Installations in buildings in general, 93.030 External sewage systems
CommitteeZZ/2
ISBN978 0 580 79824 5
PublisherBSI
Pages36

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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