as a pipeline, if we don't pay attention at ordinary times, it is easy to cause blockage, so we should dredge and clean the sewer regularly. before the construction, the construction personnel should be prepared to avoid injury. so what should be prepared before dredging the sewer? let's introduce it to you.
1. before construction, special arrangement, skill training, safety training and construction disclosure shall be made for site management personnel, mechanical equipment control personnel and site construction personnel to learn common sense of dredging sewers and clarify responsibilities.
2. according to the construction schedule, the construction machinery drainage ditch has been in place before the construction, the mechanical equipment has been ready, and the necessary maintenance work has been carried out to ensure the normal use of the construction equipment.
3. pay special attention to safe and civilized work industry. before the construction of dredging sewers, we should make large and small fences, and make the construction safety solid and customized, so as to ensure the cleanliness of the city and its surrounding environment, and ensure the publicity of traffic arrangements.
4. open the well cover to allow oxygen to enter the field of vision from the atmosphere, or use the blower in the well for ventilation. understand the condition of sewage pipe well, fixed years of use, blockage, embedment and partial damage of buildings.
5. according to the drawings, the surveyors understand the viewpoints of well construction orientation measurement. the surveyors shall review and check the status quo of sewage sludge in well elevation, pipe diameter, pipeline to be measured and drawing design data, so as to make the measurement data accurately understood.
the above is about the preparation work before the sewer dredging, i hope it can help you.