2.2.1
The DEC-Streets version 4.1 is the reference document for the NSG User, street works and Statutory Undertaker communities.
2.2.2
Care was taken to structure this Reference Manual in the order in which the processes are undertaken. It documents the basic elements of the data, policy, the rules for data entry and the conventions and best practice for the maintenance of street and address data.
2.2.3
The DEC-Streets version 4.1 provides an agreed generic conventions and best practice for data entry into an NSG Users LSG and an NSG Users ASD maintenance software system. It is not a substitute for the official software documentation provided to the DCA Participating Authority by their software provider.
2.2.4
The DEC-Streets version 4.1 is an implementation of BS 7666:2006. DEC-Streets version 4.1 is distributed as a PDF file.
2.2.5
The subject matter of this Reference Manual and subsequent updates is such that it is closely linked to the following documents:
- GeoPlace NSG Data Transfer Format for Streets 8.1 version 2.10
- GeoPlace NSG DTF8.1 Compliance Check Specification V5
- NSG DTF8.1 Health Check Specification V2.2
- GeoPlace Data Entry Conventions and Best Practice for Addresses (DECAddresses) version 3.4
- GeoPlace NSG Data Transfer Format for Addresses 7.3 version 3.1 Fourth Edition
for the core maintenance issues associated with the transfer of DCA Street Updates and ASD Updates.
2.2.6
The DEC-Streets therefore details:
- The data entry conventions which must be adhered to.
- Best practice guidelines which should be followed.
- Scenarios / processes.
- Policy recommendations.
- Statutory and contractual rules and regulations which must be followed.
2.2.7
The structure of Sections 5 to 20 of this Reference Manual is as follows:
- Definition and Background.
- Policy – the broad rules under which the Authority Street Custodian must
operate to achieve consistency of definition for the data. - Data entry conventions – the technical rules which must be applied to the
data to achieve the policy described above. - Examples of best practice.
2.2.8
The DEC-Streets:
- Encompasses previous documentation published by GeoPlace and other publications that was made available to GeoPlace, throughout the life cycle of this project.
- Incorporates policy, processes and good practice adopted by English and Welsh DCA organisations.
- Refers to the data entry conventions detailed in the GeoPlace Data Entry Conventions and Best Practice for Addresses (DEC-Addresses) version 3.4.