噪声排放达标，昼间＜55dB。施工现场无水泥、砂、石子等颗粒物遗撒、飞

The noise emission reaches the standard, <55dB during the day. There is no scattering, flying phenomenon of particles such as cement, sand, and stones at the construction site. Wastes are classified and managed, and the recycling rate is improved. The discharge of construction sewage is up to standard, and the utilization rate of nighttime lampshade is 100%. <br>For production safety management, the frequency of injuries should be controlled within three-thousandths of the number of employees to prevent major casualties.

Noise emissions are up to standard, 55dB in the day. Construction site without cement, sand, stone and other particulate matter, flying phenomenon, waste to achieve classification management, improve the rate of recycling. Construction sewage discharge, night lighting cover utilization rate of 100%.<br>Safe production management, the frequency of injuries is controlled within three thousandths of the number of employees, and major casualties are eliminated.

The noise emission is up to standard, and it is less than 55dB in the daytime. No particles such as cement, sand and gravel are scattered and flying on the construction site. The waste is classified and managed to improve the recycling rate. The construction sewage meets the discharge standard, and the utilization rate of lighting lampshade at night is 100%.<br>Safety production management, injury frequency control within three thousandth of the number of employees, to prevent the occurrence of major casualties.<br>