APPROVED SOURCES

SPECIAL PIPE SECTIONS & RELATED PRECAST UNITS

The following producers are approved to furnish the special pipe sections and related precast units shown below on the basis of certification:

PRODUCERS

SPECIAL SECTIONS AUTHORIZED FOR CERTIFICATION

American Concrete Products, Omaha, NE

2, 3, 4, 5, 6, 7, 8, 10, 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, Cedar Rapids, IA

5, 14, 15

Hancock Concrete Products, Courtland, MN

3, 7, 8, 10, 18

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.

SPECIAL SECTIONS

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