The Street Works (Northern Ireland) Order 1995 (the Order) as amended by The Street Works (Amendment) (Northern Ireland) Order 2007 forms the legislative framework within which DfI Roads carries out these duties.
Details of the regime used to carry out these duties are controlled by subordinate legislation contained in Regulations and associated Codes of Practice issued under the Order.
The Street Works Codes of Practice detail the workings of the legislation. Currently there are 6 Codes all related to the 1995 Order.
Code of Practice - Measures Necessary Where Apparatus is Affected by Major Works (Diversionary Works) 2nd Edition