The Temporary Portable Rumble Strip consists of a series of rumble strips placed in a panel of three to provide a rumble strip panel. These strips shall meet the requirements of the current specifications for Temporary Portable Rumble Strips and the following:

· Black flexible polymer material with a non-slip surface weighing at least 100 pounds.

· Minimum length 10 feet, approximately 1 foot wide, maximum 1 inch thickness.

· Leading and trailing edges are beveled.

· Shall not be required to be physically attached to underlying roadway surface in order to maintain placement location.

Approved brand names are listed in the Materials Approved Products Listing Enterprise (MAPLE).

ACCEPTANCE

Acceptance of Temporary Portable Rumble Strip will be based on satisfactory evaluation of a preliminary sample furnished to the Iowa Department of Transportation, Office of Construction and Materials, Ames, Iowa, and the manufacturer certification statement of specification compliance. A list of approved manufacturers based on preliminary sample evaluation and certification documentation will be developed and maintained by the Office of Construction and Materials.

CERTIFICATION

The manufacturer shall provide the Project Inspector the following statement of certification:

Certification Statement

This is to certify that (manufacturer name, product number) this Temporary Portable Rumble Strip meets the requirements of the applicable specifications of the Iowa Department of Transportation.


	Authorized Signature and Date

A responsible company representative shall sign the certification statement.

GENERAL

ACCEPTANCE