Specifications

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Following is a list of Iowa DOT Developmental Specifications. Please note that most of the DSs require the approval of a "Controller" in order to be used on a project. Other Iowa DOT documents and publications may be accessed in the Electronic Reference Library.

Requirements for submitting Supplemental and Developmental specifications

Category DS Number Title Date Status Controller Phone
Structures DS-23001 Concrete Surface Preparation and testing Prior to Coating Application 10/17/2023 New Kimball Olson 515-233-7722
General Requirements and Covenants DS-23002 Added Options Bidding 10/17/2023 New Ed Kasper 515-239-1414
General Requirements and Covenants DS-23003 Best Value Alternative (A - D) Bidding 10/17/2023 New Ed Kasper 515-239-1414
General Requirements and Covenants DS-23004 Construction Progress Schedule 10/17/2023 New Kevin Merryman 515-239-1848
Miscellaneous Construction DS-23005 Contractor Stockpiled Shoulder Materials 10/17/2023 New    
Structures DS-23006 Fabric Formed Concrete Structure Revetment 10/17/2023 New Jimmy Ellis 515-233-7949
Structures DS-23007 Bridge Deck Over-Depth Repair and Overlay 10/17/2023 New    
Surface Courses DS-23008 Dowel Bar Retrofit 10/17/2023 Replaced by Std. Specs Kevin Merryman 515-239-1814
General Requirements and Covenants DS-23009 Lane Rental (A + B Bidding with Incentive/Disincentive) 10/17/2023 New Ed Kasper 515-239-1414
Structures DS-23010 Precast Reinforced Concrete Three-Sided Culvert 10/17/2023 New Jimmy Ellis 515-233-7949
Erosion Control DS-23011 Floating Silt Curtain 10/17/2023 New    
Structures DS-23012 Partial Depth Bridge Deck Patching 10/17/2023 New Michael Nop 515-239-1233
Structures DS-23013 Fiber Reinforced Polymer Repair for Concrete Containment of Collision Damaged Pretensioned Prestressed Concrete Beams 10/17/2023 New    
Structures DS-23014 Modular Expansion Joint Assembly 10/17/2023 New Michael Nop 515-239-1233
Structures DS-23015 Structural Concrete Coating 10/17/2023 New Kimball Olson 515-233-7722
Surface Courses DS-23016 Evaluation of Longitudinal Joint Quality for Flexible Paving Mixtures with Incentive/Disincentive 10/17/2023 New Jeffrey Schmitt 515-239-1013
Surface Courses DS-23017 Pavement Interlayer Geotextile for PCC Overlays 10/17/2023 Replaced by DS-23052 Elijah Gansen 515-233-7865
Structures DS-23018 Structural Concrete (4500 psi or Greater) 10/17/2023 New Curtis Carter 515-239-1185
Miscellaneous Construction DS-23019 Portable Temporary Traffic Signals for Flagger Stations 10/17/2023 New Dan Sprengler 515-239-1823
Surface Courses DS-23020 Transverse Crack Leveling for HMA Pavements 10/17/2023 New    
Miscellaneous Construction DS-23021 Flood Debris Removal 10/17/2023 New    
General Requirements and Covenants DS-23022 Small Business Development Contracts 10/17/2023 New Karen Kienast 515-237-3110
Structures DS-23023 Girder Erection Plan 10/17/2023 New CONTROLLER 515-239-1233
Structures DS-23024 Adhesive-Bonded Anchors and Dowels for Traffic Railings 10/17/2023 New Michael Nop 515-239-1233
Structures DS-23025 Mass Concrete - Control of Heat of Hydration 10/17/2023 New Curtis Carter 515-239-1185
Surface Courses DS-23026 Alternate Acceptance of HMA for Local Systems Projects 10/17/2023 New Jeffrey Schmitt 515-239-1013
Surface Courses DS-23027 Quality Management Concrete (QM-C) 10/17/2023 New Elijah Gansen 515-233-7865
Structures DS-23028 Sliplining Existing Pipe Culverts 10/17/2023 New Jimmy Ellis 515-233-7949
Structures DS-23029 Ultra High Performance Concrete Connections 10/17/2023 New Curtis Carter 515-239-1185
Structures DS-23030 Ultra High Performance Concrete Overlay 10/17/2023 Obsolete Curtis Carter 515-239-1185
Structures DS-23031 Partial Removal of Existing Bridge Deck Using Hydrodemolition 10/17/2023 Obsolete Michael Nop 515-239-1233
Miscellaneous Construction DS-23032 Electronic Ticketing 10/17/2023 New Matthew Miller 515-233-7843
Miscellaneous Construction DS-23033 Construction or Maintenance Work on Railroad Right-of-Way (Union Pacific Railroad) 10/17/2023 Replaced by DS-23046 Eric Johnsen 515-239-1662
Structures DS-23034 High Performance Concrete for Structures 10/17/2023 New Curtis Carter 515-239-1185
Miscellaneous Construction DS-23035 Construction or Maintenance Work on Railroad Right-of-Way (Dakota, Minnesota, & Eastern Railroad Corporation dba CPKC) 10/17/2023 New Eric Johnsen 515-239-1662
Miscellaneous Construction DS-23036 On-Call Contracting for High Tension Cable Guardrail Repair 10/17/2023 New Daniel Harness 515-239-1727
Miscellaneous Construction DS-23037 Fuel Adjustment for AASHTOWare Project 10/17/2023 New Kevin Merryman 515-239-1848
Surface Courses DS-23038 High Performance Thin Lift Overlay 10/17/2023 New Jeffrey Schmitt 515-239-1013
Surface Courses DS-23039 Cross Stitching of Concrete Pavement 10/17/2023 New Elijah Gansen 515-233-7865
Miscellaneous Construction DS-23040 Intelligent Transporation Systems 10/17/2023 New Mark Van Dyke 515-815-5620
Surface Courses DS-23041 Void Reducing Asphalt Membrane 10/17/2023 New Ashley Buss 515-233-7837
Miscellaneous Construction DS-23042 Deep Soil Injection for Pavement Leveling 10/17/2023 New Melissa Serio 515-239-1280
Miscellaneous Construction DS-23043 Multi-Component Liquid Pavement Markings 10/17/2023 Replaced by DS-23050 Ben Hucker 515-249-8258
Miscellaneous Construction DS-23044 Construction or Maintenance Work on Railroad Right-of-Way (Chicago, Central, & Pacific Railroad Company and Cedar River Railroad Company) 10/17/2023 Replaced by DS-23047 Eric Johnsen 515-239-1662
Miscellaneous Construction DS-23045 Geospatial Mapping of Sub-Surface and Underground Utilities 11/21/2023 New Matt Miller 515-233-7843
Miscellaneous Construction DS-23046 Construction or Maintenance Work on Railroad Right-of-Way (Union Pacific Railroad) 12/19/2023 Replaces DS-23033 Eric Johnsen 515-239-1662
Miscellaneous Construction DS-23047 Construction or Maintenance Work on Railroad Right-of-Way (Chicago, Central, & Pacific Railroad Company and Cedar River Railroad Company) 10/17/2023 Replaces DS-23044 Eric Johnsen 515-239-1662
Miscellaneous Construction DS-23048 Portable Pop-Up Network for Inspection Use 1/17/2024 New Matt Miller 515-233-7843
Surface Courses DS-23049 PCC Pavement Non-Destructive Thickness Determination Contractor Quality Control And Acceptance For Local Systems (Non-Federal Aid) 1/17/2024 Replaced by DS-23053 Dillon Feldmann 515-290-5609
Miscellaneous Construction DS-23050 Multi-Component Liquid Pavement Markings 4/16/2024 Replaced by DS-23054 Ben Hucker 515-249-8258
Miscellaneous Construction DS-23051 Diamond Grinding Rumble Strips 3/19/2024 Replaced by DS-23055 Elijah Gansen 515-233-7865
Surface Courses DS-23052 Pavement Interlayer Geotextile for PCC Overlays 2/20/2024 Replaces DS-23017 Elijah Gansen 515-233-7865
Surface Courses DS-23053 PCC Pavement Non-Destructive Thickness Determination Contractor Quality Control And Acceptance For Local Systems 3/19/2024 Replaces DS-23049 Dillon Feldmann 515-290-5609
Miscellaneous Construction DS-23043a Multi-Component Liquid Pavement Markings 2/20/2024 Replaces by DS-23043 Ben Hucker 515-249-8258
Miscellaneous Construction DS-23054 Multi-Component Liquid Pavement Markings 4/16/2024 Replaces by DS-23050 Ben Hucker 515-249-8258
Miscellaneous Construction DS-23055 Diamond Grinding Rumble Strips 3/19/2024 Replaces DS-23051 Elijah Gansen 515-233-7865

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