This Memorandum sets out the Department's commitments in terms of helping deliver the NI Executive’s Sustainable Water – A Long Term Water Strategy for Northern Ireland (2015-2040) and references the following sustainability standards.
- HD45 Road Drainage and the Water Environment (Volume 11) – which deals with obligations under EU and national legislation including the Water Framework Directive and the Floods Directive
- HD49 Highway Drainage Design Principal Requirements
- HD33 Design of Highway Drainage Systems (Volume 4 Section 2) – which establishes the principles of design for sustainability to be followed for highway drainage in the UK
Highway Drainage Design for Sustainability