1. The material, flat steel size and surface treatment method of the steel grating need to be specified.
2. Select the appropriate steel grating model according to the load table
3. Specify the specific requirements for the edging and the opening.
4. Provide the size and quantity of the steel grating, and specify the direction of the steel grating (i.e. the span direction, which is usually written at the back and followed by "LB" to distinguish it).
5. When a layout design is required for a large area of steel grating, please provide the following relevant information:
a: All relevant dimensions.
b: The position of the supporting beam, the cross-sectional dimensions and the opening direction of the channel steel.
c: The position and size of the movable plate and the opening.
d: The position and size of the side plate and the front guard plate.
5. The steel grating is usually priced per square meter, and the area calculation principle is implemented according to the YB/T4001-2019 standard, that is, the maximum outer size, including openings and openings.
6. Reasonable arrangement of steel grating
