GB 50041-2020 第11.1.1条
| The chimney height of the boiler room shall comply with the current national standard "Emission Standard of Air Pollutants for Boilers" GB 13271 and local emission standards, and the chimney height shall not be less than 8 m. When the hotel is located in a residential area or an environmentally sensitive area, the chimney height shall be determined through an environmental impact assessment.