Iowa Admin. Code r. 761-112.8

Current through Register Vol. 47, No. 13, December 25, 2024

Rule 761-112.8 - Drainage requirements for access connection approvals

(1) The permittee shall provide, at the permittee's expense, drainage structures for access connections that will become an integral part of the existing drainage system.

(2) The type, size and condition of the drainage structures provided by the permittee shall meet the requirements of the department in unincorporated areas and the requirements of both the department and the municipality in incorporated areas. The design and construction of drainage structures for access shall not adversely impact the highway right-of-way, a storm sewer system or a drainage-way.

(3) The construction of an access shall not impair the drainage or stability of the highway subgrade, nor shall it cause water to flow across the roadway pavement or pond on the shoulders or in the ditch or result in erosion within the highway right-of-way.

(4) Drainage systems designed and constructed by the department within the highway right-of-way are designed to serve the drainage needs of the highway and adjoining properties based on the basin conditions at the time of the design of the highway.

Iowa Admin. Code r. 761-112.8

Amended by IAB October 5, 2022/Volume XLV, Number 7, effective 11/9/2022