Rodent guards are intended to keep mice, rats, and other small rodents from entering subdrain outlets, lighting towers, and other areas. Approved sources are listed in the Materials Approved Products Listing Enterprise (MAPLE).

REQUIREMENTS FOR RODENT GUARDS ON SUBDRAIN OUTLETS

1. Rodent guards shall meet the requirements of Standard Road Plan RF-19E.

2. All products of steel and iron shall meet the requirements of IM 107, Group 2, Buy America.

REQUIREMENTS FOR RODENT GUARDS ON LIGHTING TOWERS & OTHER APPLICATIONS

1. The rodent guard grate shall be of the same material and the same opening size as described for subdrain outlets.

2. The method of attachment will be detailed in the plans.

APPROVAL

Requests for product approval shall be made to the Office of Construction and Materials. A finished guard shall accompany the approval request. Approval will be based upon test results of the sample. Approved products are identified in the attached appendixes.

ACCEPTANCE

Rodent Guards will be accepted based on Approved Source.

Approved Sources of guards for double-walled polyethylene pipe are listed in Appendix A. Approved Source of guards for corrugated metal pipe are listed in Appendix B.