Mich. Admin. Code R. 280.7 – Average runoff coefficient; computation examples. | Midpage
Rule 280.7
Mich. Admin. Code R. 280.7
Average runoff coefficient; computation examples.
(By authority conferred on the department of state highways and transportation and the department of agriculture by section 14a of Act No. 51 of the Public Acts of 1951, as added, being S247.664a of the Michigan Compiled Laws)Bureau of Highway Development
The following examples demonstrate the desired method of computing the average runoff coefficient (A.R.C.) for cross-sections commonly employed in the construction of county roads and state highways.
(a) Cross-section A--dual roadway: Figure for 280.7