When customizing cast iron manhole covers, it is very important to accurately grasp the dimensions. So, when customizing, what issues should we pay attention to in terms of size? This is a question that we will introduce to you today. Let’s take a look at this question.

1. The direction of the flat steel of the customized cast iron manhole cover plate is the bearing (support) direction, and the length L of the flat steel is determined according to the trench width and the clearance reserved;
2. The remaining part of the trench length less than 1 meter shall be sized according to the model;
3. The model of steel grating plate is selected according to the trench width and bearing requirements.
4. The well cover plates are arranged according to the trench length, and the standard plate width that meets the processing modulus is 995mm, with a gap of 5mm left between the plates;
5. It is recommended to select standard size well cover plates for design and construction, and other specifications can be customized.
   The basic points that we should pay attention to when customizing cast iron manhole covers are introduced above. We need to pay attention to these aspects when processing.