http://www.legislation.gov.uk/nisr/2002/303/article/3/madeThe Control of Noise (Codes of Practice for Construction and Open Sites) Order (Northern Ireland) 2002Mineral extraction, mining, quarryingGovernment Printer for Northern Ireland2016-09-07PUBLIC HEALTH Under Article 51 of the Pollution Control and Local Government (Northern Ireland) Order 1978 (the 1978 Order), the Department of the Environment may give guidance on appropriate methods for minimising noise, including vibration, by approving Codes of Practice. It is required to approve a Code for the carrying out of works to which Article 40 of the 1978 Order applies. These include building and roadworks, demolition, dredging and other works of engineering construction. 3 The Control of Noise (Code of Practice for Construction Sites) Order (Northern Ireland) 1978 is hereby revoked. S.R. 1978 No. 349