| 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 |
Brian Johnson |
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 |
Michael Nop |
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 |
Replaced by DS-23067 |
Brian Johnson |
515-239-1013 |
| Surface Courses |
DS-23027 |
Quality Management Concrete (QM-C) |
10/17/2023 |
Replaced by DS-23068 |
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 |
Replaced by DS-23062 |
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 |
Replaced by DS-23056 |
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 |
Brian Johnson |
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 |
Replaced by DS-23058 |
Mark Van Dyke |
515-815-5620 |
| Surface Courses |
DS-23041 |
Void Reducing Asphalt Membrane |
10/17/2023 |
New |
John Hart |
515-239-1547 |
| 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-23043a |
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 |
Matthew Miller |
515-233-7843 |
| Miscellaneous Construction |
DS-23046 |
Construction or Maintenance Work on Railroad Right-of-Way (Union Pacific Railroad) |
12/19/2023 |
Replaced by DS-23064 |
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 |
Matthew 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 |
Replaced by DS-23059 |
Dillon Feldmann |
515-290-5609 |
| Miscellaneous Construction |
DS-23043a |
Multi-Component Liquid Pavement Markings |
2/20/2024 |
Replaced by DS-23050 |
Ben Hucker |
515-249-8258 |
| Miscellaneous Construction |
DS-23054 |
Multi-Component Liquid Pavement Markings |
4/16/2024 |
Replaced by DS-23069 |
Ben Hucker |
515-249-8258 |
| Miscellaneous Construction |
DS-23055 |
Diamond Grinding Rumble Strips |
3/19/2024 |
Replaced by DS-23060 |
Elijah Gansen |
515-233-7865 |
| Miscellaneous Construction |
DS-23056 |
Construction or Maintenance Work on Railroad Right-of-Way (Dakota, Minnesota, & Eastern Railroad Corporation dba CPKC |
6/18/2024 |
Replaces DS-23035 |
Eric Johnsen |
515-239-1662 |
| Miscellaneous Construction |
DS-23057 |
Work on Railroad Right-of-Way (BNSF Railway) |
6/18/2024 |
New |
Eric Johnsen |
515-239-1662 |
| Miscellaneous Construction |
DS-23058 |
Intelligent Transportation Systems |
7/16/2024 |
Replaced by DS-23074 |
Mark Van Dyke |
515-815-5620 |
| Surface Courses |
DS-23059 |
PCC Pavement Non-Destructive Thickness Determination Contractor Quality Control And Acceptance For Local Systems |
7/16/2024 |
Replaces DS-23053 |
Dillon Feldmann |
515-290-5609 |
| Miscellaneous Construction |
DS-23060 |
Diamond Grinding Rumble Strips |
7/16/2024 |
Replaces DS-23055 |
Elijah Gansen |
515-233-7865 |
| Miscellaneous Construction |
DS-23061 |
Preformed Thermoplastic Pavement Markings |
8/20/2024 |
New |
Ben Hucker |
515-249-8258 |
| Structures |
DS-23062 |
High Performance Concrete for Structures |
10/15/2024 |
Replaces DS-23034 |
Curtis Carter |
515-239-1185 |
| Structures |
DS-23063 |
Fiber Reinforcement for Structural Concrete |
10/15/2024 |
New |
Curtis Carter |
515-239-1185 |
| Miscellaneous Construction |
DS-23064 |
Construction or Maintenance Work on Railroad Right-of-Way (Union Pacific Railroad) |
10/15/2024 |
Replaced by DS-23066 |
Eric Johnsen |
515-239-1662 |
| General Requirements and Covenants |
DS-23065 |
DBE Trucking |
11/19/2024 |
New |
|
|
| Miscellaneous Construction |
DS-23066 |
Construction or Maintenance Work on Railroad Right-of-Way (Union Pacific Railroad) |
11/19/2024 |
Replaces DS-23064 |
Eric Johnsen |
515-239-1662 |
| Surface Courses |
DS-23067 |
Alternate Acceptance of HMA for Local Systems Projects |
2/18/2025 |
Replaces DS-23026 |
Brian Johnson |
515-239-1013 |
| Surface Courses |
DS-23068 |
Quality Management Concrete (QM-C) |
1/22/2025 |
Replaces DS-23027 |
Elijah Gansen |
515-233-7865 |
| Miscellaneous Construction |
DS-23069 |
Multi-Component Liquid Pavement Markings |
1/22/2025 |
Replaces DS-23054 |
Ben Hucker |
515-249-8258 |
| Miscellaneous Construction |
DS-23070 |
Pavement Marking Installation Record |
2/18/2025 |
New |
Ben Hucker |
515-249-8258 |
| Miscellaneous Construction |
DS-23071 |
Mobile Reflectometer Measurements |
2/18/2025 |
New |
Ben Hucker |
515-249-8258 |
| Structures |
DS-23072 |
Integral Thin Veneer Brick for Structural Concrete |
2/18/2025 |
New |
Kimball Olson |
515-233-7722 |
| Miscellaneous Construction |
DS-23073 |
Intermediate Foundation Improvements |
2/18/2025 |
New |
Mark Dell |
515-239-1945 |
| Miscellaneous Construction |
DS-23074 |
Intelligent Transportation Systems |
1/22/2025 |
Replaces DS-23058 |
Mark Van Dyke |
515-815-5620 |