Erosion control products shall meet the requirements of applicable Iowa Department of Transportation Specifications.
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.
Acceptance of erosion control products will be on the basis of Approved brand name, except wattles and filter socks which will be accepted based on the manufacturer’s certification. Compost will be accepted if the material is from a participant in the US Composting Council’s Seal of Testing Assurance (STA) Program https://compostingcouncil.org/participants/ or on the basis of satisfactory test results performed by a STA certified lab https://compostingcouncil.org/labs/.
Approved brand names are listed by manufacturer in the Materials Approved Products Listing Enterprise (MAPLE).
Manufacturer’s certification for wattles and filter socks shall include this statement:
“The wattle / filter sock herein described meets applicable specifications.”
The Office of Construction and Materials may sample and test erosion control products to verify compliance with specifications.