1. Appearance of the venue:
(1) The color of artificial grass is uniform, and the colors of various road lines and point lines are uniform, bright, and no color difference.
(2) The width and positioning of each function line and point line are accurate, and the size of the function area meets the standard.
(3) There is no obvious gap between the two turf seams, and the adhesion is compact without adhesive.
(4) The surface of the filled sand and rubber particles is clean and full, and there is no obvious height difference.
2. Filler thickness:
Meet the construction project design high standards.
3. The flatness requires that the three-meter ruler should not exceed 3mm and the drainage slope of the site should not be less than 0.4%.
4. Dimensional accuracy of each point and line:
The color and size of the marking of various function lines and point lines must meet the requirements of the FIFA rules, and the error should not exceed 2cm.
5. Artificial grass performance testing:
No phenomena such as arching, cracks or degumming, or cracking of the ground cloth are allowed on the ground. Tested on a standard football field, the football rebounds at 40%, that is, the ball falls freely from a height of one meter, and the rebound height is 40cm.
