ART. 3 . . .
Recommended field distances are designated as follows:
a. From home plate to the nearest obstruction on fair ground may uniformly range from:
1. 185 feet-235 feet for female or male fast pitch
2. 250 feet-275 feet for female slow pitch
3. 275 feet-300 feet for male slow pitch
b. From the top of the outfield fence to the ground should be 6 feet to 8 feet
c. Outside (foul ground) the foul lines and between home plate and the backstop ? an unobstructed area with a distance of 25 feet to 30 feet
d. On-deck circles shall be a safe distance from home plate with a recommended distance of 30 feet, if space allows.
e. The width of all chalk lines is recommended at 2 1/2 inches.