求翻译：施工现场设置醒目的安全警示标志、安全标语，作业场所有安全操作规章制度。临时场地布置科学合理，机具、材料堆放有序，布局合理，无造成污染的现象；夜间设红色警示灯。现场有排水设施，并由专人提前做好施工区内的排水工作，严禁淤塞当地的排涝、灌溉沟渠。桥梁施工中钻孔桩等产生废液的作业，及时清理，运至业主指定的地点排放，不得随地排放，以减少对农田和水源和污染。是什么意思？

The safety of the construction site set up eye-catching warning signs, safety signs, rules and regulations of the workplace with safe operation. Scientific and reasonable temporary site layout, equipment, materials stacked orderly, rational layout, the phenomenon of non-polluting; set up a red warni

Construction Site Safety alert settings of eye-catching banners, signs, security operations in all operational safety regulations. temporary venues scientific and reasonable layout, machine tools, materials piled up in an orderly and rational layout, no pollution; at night the phenomenon located red

The job location establishment striking security police shows the symbol, the security slogan, the work place has the safe operation rules and regulations.The temporary location arrangement science is reasonable, the machines and tools, the material stack order, the layout is reasonable, not causes

Construction site set visible safety warning signs, safety signs, safety operation rules and regulations in working places. Temporary venue layout of scientific and rational, equipments, materials stacked orderly, reasonable layout, without causing pollution on the roads, nighttime red warning light

The safety of the construction site set up eye-catching warning signs, safety signs, rules and regulations of the workplace with safe operation. Scientific and reasonable temporary site layout, equipment, materials stacked orderly, rational layout, the phenomenon of non-polluting; set up a red warni