Specifications

Members

The Specification Committee consists of approximately 10 - 20 office directors or their designees from the central office, and field offices. They meet approximately monthly to review and discuss possible additions or changes to the specifications for work on construction projects.

Specification Committee Members

Name Office Phone
Charlie Purcell Project Delivery Bureau 515-239-1128
Eric Johnsen Specifications 515-239-1662
Donna Matulac Specifications 515-239-1566
Wes Musgrove Construction & Materials 515-239-1843
Mark Dunn Contracts 515-239-1414
Willy Sorenson Traffic & Safety 515-239-1212
Christy Vanbuskirk Local Systems 641-919-6125
Daniel Harness Design 515-239-1727
Darwin Bishop District 3 Construction 319-364-0235
Scott Nixon District 1 Construction 641-782-4518
Bob Welper District 2 Materials 641-422-9421
Mike Nop Bridges and Structures 515-239-1585

 

Specification Committee Advisory Members

Advisory Members
Lisa McDaniel FHWA 515-233-7307
John Hart Maintenance 515-239-1589
Jeff Devries Construction & Materials 515-239-1237
Ken Brink Environmental Services 515-239-1510
Chris Brakke Construction & Materials 515-239-1882
Paul Wiegand InTrans-SUDAS 515-294-8103
Dan Eckert Dickinson County 712-336-2944
Dan Davis Fremont County 712-374-2613
Anthony Bardgett Delaware & Dubuque Counties 563-927-3505
Paul Gielenfeldt Marshall County 641-754-6343
Scott Meinders Winnebago County 641-585-2905
Christian Boehmer Clarke & Union Counties 641-342-2716
Jake Hotchkiss Henry County 319-385-0762
Thomas Rohe Plymouth County 712-546-4559
Scott Kruse Boone County 515-433-0530
Nicholas Amelon Iowa County 319-642-3721
Andy Case Dallas County 515-993-4289
Ben Daleske Fayette County 563-422-3552
DeWayne Heintz Jefferson County 641-472-6528
Ben Wilkinson Buena Vista County 712-749-2540

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