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Electronic Reference Library (ERL)
The ERL contains the following resources:
Construction Manual
Flagger's Handbook
Materials IMs
Specifications
Standard Plans


Doc Express Instruction Guide for Contractors and Suppliers - updated July 2016

Contractor/Supplier Doc Express Cookbook - updated July 2016



 

Office of Construction and Materials


Phone: 515-239-1352
Fax: 515-239-1092
Email: central.construction@iowadot.us