| Structures |
DS-15001 |
Concrete Surface Preparation and Testing Prior to Coating Application |
12/15/2015 |
New |
Kimball Olson |
515-233-7722 |
| Miscellaneous Construction |
DS-15002 |
Airport Safety Requirements |
10/20/2015 |
New |
Mike Marr |
515-239-1468 |
| General Requirements and Covenants |
DS-15003 |
Added Options Bidding |
10/20/2015 |
New |
Ed Kasper |
515-239-1414 |
| General Requirements and Covenants |
DS-15004 |
Best Value Alternative (A - D) Bidding |
10/20/2015 |
New |
Ed Kasper |
515-239-1414 |
| General Requirements and Covenants |
DS-15005 |
Construction Progress Schedule |
10/20/2015 |
New |
Thomas Jacobson |
515-23l9-1453 |
| Structures |
DS-15006 |
Sliplining Existing Pipe Culverts |
10/20/2015 |
New |
Dave Claman |
515-239-1487 |
| Miscellaneous Construction |
DS-15007 |
Contractor Stockpiled Shoulder Material |
10/20/2015 |
New |
None |
|
| Structures |
DS-15008 |
Fabric Formed Concrete Structure Revetment |
10/20/2015 |
New |
Dave Claman |
515-239-1487 |
| Structures |
DS-15009 |
Bridge Deck Over-Depth Repair and Overlay |
10/20/2015 |
New |
None |
|
| Surface Courses |
DS-15010 |
Dowel Bar Retrofit |
10/20/2015 |
New |
Kevin Merryman |
515-239-1848 |
| Surface Courses |
DS-15011 |
PCC Pavement Non-Destructive Thickness Determination |
10/20/2015 |
Replaced by DS-15051 |
Kevin Jones |
515-239-1237 |
| General Requirements and Covenants |
DS-15012 |
Lane Rental (A + B Bidding with Incentive/Disincentive) |
10/20/2015 |
New |
Ed Kasper |
515-239-1414 |
| Surface Courses |
DS-15013 |
Alternate Acceptance of HMA for Local Systems Projects |
10/20/2015 |
New |
None |
|
| Structures |
DS-15014 |
Precast Reinforced Concrete Three-Sided Culvert |
10/20/2015 |
New |
Dave Claman |
515-239-1487 |
| Miscellaneous Construction |
DS-15015 |
Portable Temporary Traffic Signals for Flagger Stations |
10/20/2015 |
New |
Dan Sprengeler |
515-239-1823 |
| General Requirements and Covenants |
DS-15016 |
Small Business Development Contracts |
10/20/2015 |
Replaced by DS-15045 |
Karen Kienast |
515-233-7970 |
| General Requirements and Covenants |
DS-15045 |
Small Business Development Contracts |
8/16/2016 |
Replaces DS-15048 |
Karen Kienast |
515-233-7970 |
| Structures |
DS-15017 |
Adhesive-Bonded Anchors and Dowels for Traffic Railings |
10/20/2015 |
New |
Gary Novey |
515-239-1233 |
| Surface Courses |
DS-15018 |
Pavement Interlayer Geotextile |
10/20/2015 |
Replaced by DS-15046 |
None |
|
| Erosion Control |
DS-15019 |
Floating Silt Curtain |
10/20/2015 |
New |
None |
|
| Structures |
DS-15020 |
Structural Concrete (4500 psi or Greater) |
10/20/2015 |
Replaced by DS-15056 |
Ahmad Abu-Hawash |
515-239-1393 |
| Surface Courses |
DS-15021 |
Transverse Joint Leveling for HMA Pavements |
10/20/2015 |
New |
None |
|
| Surface Courses |
DS-15022 |
Partial Depth PCC Finish Patches |
10/20/2015 |
New |
Kevin Merryman |
515-239-1848 |
| Structures |
DS-15023 |
Partial Depth Bridge Deck Patching |
10/20/2015 |
New |
Gary Novey |
515-239-1233 |
| Surface Courses |
DS-15024 |
Hot Mix Asphalt Interlayer |
10/20/2015 |
Replaced by SS-15006 |
Jeffrey Schmitt |
515-239-1013 |
| Surface Courses |
DS-15025 |
Hot Mix Asphalt Thin Lift Overlay |
10/20/2015 |
Replaced by DS-15037 |
Jeffrey Schmitt |
515-239-1013 |
| Miscellaneous Construction |
DS-15026 |
Construction or Maintenance Work on Railroad Right-of-Way (Chicago, Central, & Pacific Railroad Company and Cedar River Railroad Company) |
10/20/2015 |
Replaced by DS-15034 |
Tom Reis |
515-239-1566 |
| Miscellaneous Construction |
DS-15027 |
Construction Work on Railroad Right of Way with A + B for Bidding Railroad Flaggers (Union Pacific) |
10/20/2015 |
Replaced by DS-15040 |
Tom Reis |
515-239-1566 |
| Miscellaneous Construction |
DS-15028 |
Maintenance Work on Railroad Right of Way (Union Pacific) |
10/20/2015 |
Replaced by DS-15041 |
Tom Reis |
515-239-1566 |
| Structures |
DS-15029 |
Fiber Reinforced Polymer Repair for Concrete Containment of Collision Damaged Pretensioned Prestressed Concrete Beams |
10/20/2015 |
New |
None |
|
| Structures |
DS-15030 |
Modular Expansion Joint Assembly |
10/20/2015 |
New |
Gary Novey |
515-239-1233 |
| Surface Courses |
DS-15031 |
Quality Management Concrete (QM-C) |
10/20/2015 |
Replaced by DS-15038 |
Kevin Merryman |
515-239-1848 |
| Structures |
DS-15032 |
Mass Concrete - Control of Heat of Hydration |
10/20/2015 |
New |
Kyle Frame |
515-239-1619 |
| Structures |
DS-15033 |
High Performance Concrete for Structures |
10/20/2015 |
Replaced by DS-15044 |
Wayne Sunday |
515-239-1185 |
| Miscellaneous Construction |
DS-15034 |
Construction or Maintenance Work on Railroad Right-of-Way (Chicago, Central, & Pacific Railroad Company and Cedar River Railroad Company) |
11/17/2015 |
Replaced by DS-15042 |
Tom Reis |
515-239-1566 |
| Structures |
DS-15035 |
Structural Concrete Coating |
12/15/2015 |
New |
Kimball Olson |
515-233-7722 |
| Surface Courses |
DS-15036 |
Evaluation of Longitudinal Joint Quality for Flexible Paving Mixtures with Incentive/Disincentive |
12/15/2015 |
New |
Jeffrey Schmitt |
515-239-1013 |
| Surface Courses |
DS-15037 |
High Performance Thin Lift Overlay |
2/16/2016 |
Replaced by DS-15043 |
Jeffrey Schmitt |
515-239-1013 |
| Surface Courses |
DS-15043 |
High Performance Thin Lift Overlay |
10/18/2016 |
Replaced by DS-15057 |
Jeffrey Schmitt |
515-239-1013 |
| Surface Courses |
DS-15038 |
Quality Management Concrete (QM-C) |
4/19/2016 |
Replaces DS-15031 |
Kevin Merryman |
515-239-1848 |
| Miscellaneous Constructions |
DS-15039 |
Construction or Maintenance Work on Railroad Right-of-Way (Dakota, Minnesota, & Easter Railroad Corporation dba Canadian Pacific) |
4/19/2016 |
Replaced by DS-15047 |
Tom Reis |
515-239-1566 |
| Miscellaneous Construction |
DS-15040 |
Construction Work on Railroad Right-of-Way with A+B for Bidding Railroad Flaggers (Union Pacifc Railroad) |
5/17/2016 |
Replaces DS-15027 |
Tom Reis |
515-239-1566 |
| Miscellaneous Construction |
DS-15041 |
Maintenance Work on Railroad Right-of-Way (Union Pacifc Railroad) |
5/17/2016 |
Replaces DS-15028 |
Tom Reis |
515-239-1566 |
| Miscellaneous Construction |
DS-15042 |
Construction or Maintenance Work on Railroad Right-of-Way (Chicago, Central, & Pacific Railroad Company and Cedar River Railroad Company) |
5/17/2016 |
Replaced by DS-15053 |
Tom Reis |
515-239-1566 |
| Structures |
DS-15044 |
High Performance Concrete for Structures |
6/21/2016 |
Replaces DS-15033 |
Kyle Frame |
515-239-1619 |
| Surface Courses |
DS-15046 |
Pavement Interlayer Geotextile for PCC Overlays |
11/15/2016 |
Replaced by DS-15052 |
Kevin Merryman |
515-239-1848 |
| Miscellaneous Construction |
DS-15047 |
Construction or Maintenance Work on Railroad Right-of-Way (Dakota, Minnesota, & Eastern Railroad Corporation dba Canadian Pacific) |
10/18/2016 |
Replaces DS-15039 |
Tom Reis |
515-239-1566 |
| General Requirements and Covenants |
DS-15048 |
Small Business Development Contracts |
12/20/2016 |
Replaces DS-15045 |
Karen Kienast |
515-239-7970 |
| Surface Courses |
DS-15049 |
Primary and Interstate Pavement Smoothness |
12/20/2016 |
New |
Kevin Jones |
515-239-1237 |
| Surface Courses |
DS-15051 |
PCC Pavement Non-Destructive Thickness Determination |
1/18/2017 |
Replaces DS-15011 |
Kevin Jones |
515-239-1237 |
| Surface Courses |
DS-15052 |
Pavement Interlayer Geotextile for PCC Overlays |
1/18/2017 |
Replaces DS-15046 |
Kevin Merryman |
515-239-1848 |
| Miscellaneous Construction |
DS-15053 |
Construction or Maintenance Work on Railroad Right-of-Way (Chicago, Central, & Pacific Railroad Company and Cedar River Railroad Company) |
2/21/2017 |
Replaced by DS-15055 |
Tom Reis |
515-239-1566 |
| Miscellaneous Construction |
DS-15054 |
Maintenance Work on Railroad Right-of-Way (Union Pacifc Railroad) |
5/16/2017 |
Replaces DS-15041 |
Tom Reis |
515-239-1566 |
| Miscellaneous Construction |
DS-15055 |
Construction or Maintenance Work on Railroad Right-of-Way (Chicago, Central, & Pacific Railroad Company and Cedar River Railroad Company) |
5/16/2017 |
Replaces DS-15053 |
Tom Reis |
515-239-1566 |
| Structures |
DS-15056 |
Structural Concrete (4500 psi or Greater) |
10/17/2017 |
Replaces DS-15020 |
Ahmad Abu-Hawash |
515-239-1393 |
| Surface Courses |
DS-15057 |
High Performance Thin Lift Overlay |
10/17/2017 |
Replaces DS-15043 |
Jeffrey Schmitt |
515-239-1013 |