SCANNER specification 2011

In 2011 TRL made further revisions to volume 1 to 4 of the SCANNER specification to incorporate feedback on the new QA process from the SCANNER contractors.

Volume 1 provides a brief summary of the requirements for SCANNER surveys, and is intended to be read as a free standing document, as well as providing an overview of the other four volumes.  SCANNER Surveys for Local Roads Specification Volume 1 Advice to Local Authorities is available in the table below.

Volume 2 contains advice to Local Authorities about the procuring SCANNER surveys under the SCANNER Specification and is to be read in conjunction with the other documents. It includes advice on preparing contact documents, inviting bids, assessing tenders, network referencing and managing contracts. It includes a model contact document as an annex.  SCANNER Surveys for Local Roads Specification Volume 2 Advice to Local Authorities is available in the table below.


Volume 3, Using SCANNER data, explains the background to SCANNER Surveys and gives further guidance on the interpretation of processed SCANNER data. It contains advice on receiving and using SCANNER data, interpreting the results for local asset management and maintenance, producing and understanding performance indicators, and reporting NRMCS results.  SCANNER Surveys for Local Roads Specification Volume 3 Advice to Local Authorities is available in the table below.

Volume 4, Technical Requirements - SCANNER Survey Data and Quality Assurance, defines the technical requirements for the services to be provided by the survey contractor, including the Survey Data and the requirements for Quality Assurance procedures to ensure the Services are consistent and reliable. It also includes the specifications for audit processes, monitoring, calibration, and requirements for repeat surveys.  SCANNER Surveys for Local Roads Specification Volume 4 Advice to Local Authorities is available in the table below.

It should be noted that Volume 5 did not require any updates; therefore the 2009 version is still being used, which is available in the table below.