Erosion control products shall meet the requirements of applicable Iowa Department of Transportation Specifications.
Acceptance of erosion control products will be on the basis of manufacturer and brand name approval, except wattles and filter socks which will be accepted based on the manufacturer’s certification.
Approved manufacturers and products are listed in the Materials Approved Products Listing Enterprise (MAPLE).
To obtain approval, the manufacturer shall submit the following to the Office of Construction and Materials in Ames, Iowa:
1. Product identification including brand name and product number
2. A sample suitable for testing may be requested by the Office of Construction and Materials.
3. The NTPEP test data for products covered by NTPEP.
4. Company information with list of contact personnel and any available product literature.
The Office of Construction and Materials may sample and test erosion control products to verify compliance with specifications.