The following producers are approved to furnish the special pipe sections and related precast units shown below on the basis of certification:
SPECIAL SECTIONS
PRODUCERS AUTHORIZED FOR CERTIFICATION
American Concrete Products-Omaha, NE 3, 4, 5, 6, 7, 8, 11, 14, 16, 17, (SW-508, SW-541, SW-402, SW-512)
Cretex Concrete Products Midwest, Inc -Des Moines, IA 3, 5, 6, 10, 13, 14, 18, 19
County Materials Corporation- Holmen, WI* 2, 3, 7, 8, 9, 10, 13, 17, 18, 19
County Materials Corporation – Marathon, WI 2, 3, 6, 7, 8, 9, 10, 17
County Materials, Iowa City, IA 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18
Cretex Concrete Products Midwest, Inc.-Austin, MN 1-5, 7-11, 13, 14, 16, 17
Cretex Concrete Products Midwest, Inc.-Cedar Rapids, IA 1-19
Cretex Concrete Products Midwest, Inc.-Humboldt, IA 1-19
Cretex Concrete Products Midwest, Inc.-Marshalltown, IA 1-19
Cretex Concrete Products, Midwest, Inc. Plattsmouth, NE 1, 2, 3, 7, 9, 10, 17, SW-401
Croell Concrete Products-Hiawatha, IA 5, 14, 15
Hancock Concrete Products 3, 7, 8, 10, 18
Courtland, MN
Hancock Concrete Products, MN 1, 4, 8
Hancock Concrete Products-Lake View, IA 1, 3, 5-11, 13, 14, 15, 18, 19
Iowa Base, Nashua, IA 14
Maxwell Construction 18, 19
County Materials Corporation, Buffalo, IA 1, 3, 5, 7-10, 14, 16, 17, 18, 19
Rinker Materials Concrete Pipe Division-Valley, NE 1, 2, 3, 5, 6, 7, 8, 9, 10, 13,14, 17, 19
Slavish Precast, Matherville, IL 5, 13, 14, 17, 18, 19
Wieser Precast, Inc. – Williamsburg, IA 3, 5, 12, 15, 18, & 19 (SW402)
*This supplier only furnishes
bell and spigot reinforced concrete pipe.
1. Arch Pipe (1500 & 2000D)
2. Elliptical Pipe (1500 & 2000D)
3. Aprons (Round & Arch)
4. Cattle Pass (Include Aprons)
5. Utility Access (Include Base Slabs & Spacers)
6. Pipe Bends & Half-pipe, RF-13
7. Reducers
8. Elbows
9. Radius Pipe
10. Wyes & Tees
11. C-3 & C-4 Adapters
12. Concrete Crib Wall
13. Open Ditch Intake Bases, SW-562, SW-512
14. Precast Handhole, RM-42
15. R.O.W. Markers
16. Joint Connecters
17. Pipe Plugs
18. Precast Intakes SW-508, SW-507, SW-509, SW-541, SW-510, SW-547, SW548, SW-549, SW-562, SW-545
19. Utility Access for Storm Sewer Pipe, SW-402, SW-401, SW-301