塑料检查井部件选用：
The selection of the parts for the inspection well of Plastics:
1）污水管道上应采用有流槽的检查井井座；
1) the sewer inspection wells should be used in sewer pipes.
2）雨水管道上的检查井，其井座应符合下列要求：
2) the inspection wells on rainwater pipes should meet the following requirements:
a、道路雨水口应采用有沉泥室的井座；
A, the road stormwater mouth should adopt well bore with mud chamber.
b、在雨水管道上需设置沉泥室井座的检查井时，宜设置在井筒外
B, it is advisable to set up the inspection well for the mud chamber well base on the rainwater pipeline.
径大于等于500mm的检查井处；
A check well where the diameter is equal to or equal to 500mm.
c、其他雨水检查井可采用有流槽的井座；
C and other rainwater inspection wells can adopt wells with slots.