1, the green rate is not less than 30%, 100 square meters of green space should have 3 trees, and the flowers should be watered with reclaimed water.
2. save energy. It is required that high-efficiency light sources, high-efficiency lamps and low-loss ballasts should be used for lighting in public places, and timing or photoelectric control should be adopted in areas with natural lighting.
3. In terms of water saving, take effective measures to avoid water leakage, adopt water-saving appliances and equipment, and the water saving rate is not less than 8%.
4, in terms of indoor environmental quality requirements, meet the sunshine standard, indoor natural ventilation, windows should have a good view.