PROJECTS LETTING -  July , 2025

 
 
bid envelopes

 
 

The following projects are currently advertised for bids. Interested bidders may find general information about each project, as well as printable actual Contract Documents in PDF format. The general information is the same project description provided to Newspapers and by direct mail solicitations. The Contract Documents include the Drawings and the entire Project Manual.  Drawings can be printed on any regular or large format printers. The Project Manual includes Proposal Forms,  Front End Documents, General and Supplementary Covenants, and Technical specifications. All these are also completely printable.

Effective October 2009, the Department will no longer be responsible for providing hard copy notice to bidders or addenda to either contractors or plan rooms. An email listserv has been created to communicate electronically with vendors currently on file with the DNR. As a member of this listserv, you will receive electronic notice to bidder information on a regular basis. To subscribe to this list, click here.

The Department will be utilizing the vendor Beeline and Blue to provide printed copies of Plans and Specifications and Addenda upon request. The department will no longer provide complimentary copies of Plans and Specifications to contractors or sub-contractors after award of the contract. Please visit dfs.beelineandblue.com/iowa or contact (515) 244-1611 for more information.

To access any of these, unless you have already done so, you will need to download and install Acrobat Reader from the Adobe Website. 
You may obtain a free download from
 

Click on the project names below to view the one(s) which interest you.

CERRO GORDO 23-03-17-09 Clear Lake State Park - Restroom and Shower Building (duplicate)-2025-07-24   Bid Completion detail
DICKINSON 25-01-30-12 Triboji Dock Management Area - Shoreline Repair & Stabilization-2025-07-24   Bid Completion detail
HARDIN 23-02-42-01 Iowa River - Steamboat Rock Dam Mitigation - Phase 1-2025-07-24   Bid Completion detail
HARDIN 23-02-42-01 Iowa River - Steamboat Rock Dam Mitigation - Phase 1 - Contracted-2025-07-24   Bid Completion detail
LINN 24-06-57-01 Pleasant Creek SRA - Campground Improvements-2025-07-24   Bid Completion detail
LOUISA 25-06-58-01 Odessa Wildlife Unit - Odessa WMA-Road Levee Armoring-2025-07-24   Bid Completion detail
MAHASKA 20-05-62-07 Lake Keomah State Park - Spillway Floor Concrete-2025-07-24   Bid Completion detail




HARDIN -- PROJECT # 23-02-42-01                7/24/2025                Large Project Letting
IOWA RIVER
STEAMBOAT ROCK DAM MITIGATION - PHASE 1
Proposal Guarantee: $75,000
Completion Date: 12/31/2028

   This project consists of removing the existing dam at on the Iowa River at Steamboat Rock and replacing it with a series of stone structures. Also included is riverbank shaping, riverbank stabilization, the construction of a granular boat carry-down ramp, tributary step-down structures, a granular foot path, and site restoration. The dam removal shall be staged to allow for a controlled release of sediment. Bid alternate #1 replaces the granular carry-down ramp with a concrete carry-down ramp.

ESTIMATED QUANTITIES:
    MOBILIZATION     1 L.S.
    NPDES GENERAL PERMIT #2 & SWPPP     1 L.S.
    TRAFFIC CONTROL     1 L.S.
    CONSTRUCTION STAKING     1 L.S.
    CLEARING AND GRUBBING     3.11 Acres
    TOPSOIL, STRIP, SALVAGE AND SPREAD, 6"     2,790 C.Y.
    EXCAVATION, CLASS 10     12,480 C.Y.
    SUBGRADE PREPARATION, 12-INCH     2,323 S.Y.
    GRAVEL ROAD SURFACING, CLASS 'A' CRUSHED STONE     73 Tons
    GRAVEL ROAD SURFACING (SALVAGED)     415 Tons
    STABILIZED CONSTRUCTION ENTRANCE, MACADAM STONE     40 Tons
    ROAD MAINTENANCE     1 L.S.
    STORM SEWER, TRENCHED, RCP, 15 IN.     54 L.F.
    15" CONCRETE APRON     2 Each
    CLASS 'E' REVETMENT     784 Tons
    EROSION STONE     156 Tons
    MACADAM STONE     798 Tons
    WEIR STONE (4'x5'x1.2' MIN.)     400 Tons
    DAM REMOVAL     1 L.S.
    REMOVAL OF SIDEWALK, PCC     13 S.Y.
    GRAVEL ROAD REMOVAL     3,045 S.Y.
    BOAT RAMP REMOVAL AND SALVAGE     1 L.S.
    EXCAVATION, CLASS 10     736 C.Y.
    CLASS 'E' REVETMENT     12 Tons
    EROSION STONE     106 Tons
    MACADAM STONE     66 Tons
    WEIR STONE (3'x2'x1' MIN.)     64 Tons
    WEIR STONE (3.5'x3'x2' MIN.)     32 Tons
    EXCAVATION, CLASS 10     40 C.Y.
    6" MINUS CHOKE STONE     55 Tons
    WEIR STONE (3.5'x3'x2' MIN.)     184 Tons
    EXCAVATION, CLASS 10     20 C.Y.
    6" MINUS CHOKE STONE     42 Tons
    WEIR STONE (3.5'x3'x2' MIN.)     140 Tons
    WEIR STONE (3.5'x3'x2' MIN.)     42 Tons
    TOPSOIL, STRIP, SALVAGE AND SPREAD, 6"     164 C.Y.
    EXCAVATION, CLASS 10     171 C.Y.
    SUBGRADE PREPARATION, 12-INCH     282 S.Y.
    CLASS 'A' CRUSHED STONE     60 Tons
    MACADAM STONE     55 Tons
    TOPSOIL, STRIP, SALVAGE AND SPREAD, 6"     630 C.Y.
    EXCAVATION, CLASS 10     1,507 C.Y.
    SUBGRADE PREPARATION, 12-INCH     600 S.Y.
    CLASS 'A' CRUSHED STONE     126 Tons
    MACADAM STONE     392 Tons
    CLASS 'E' REVETMENT     582 Tons
    EXCAVATION, CLASS 10     1,757 C.Y.
    SUBGRADE PREPARATION, 12-INCH     446 S.Y.
    CLASS 'A' CRUSHED STONE     98 Tons
    MACADAM STONE     356 Tons
    CLASS 'E' REVETMENT     433 Tons
    SEEDING/FERTILIZING/MULCHING     3.9 Acres
    WATERS EDGE SEEDING     2.15 Acres
    TEMPORARY SEEDING AND HYDROMULCHING     6.05 Acres
    WATTLE     3,846 L.F.
    EROSION MATTING     9,756 S.Y.
    ROLLED EROSION CONTROL PRODUCT, TYPE 1.C     8,686 S.Y.
Alternate
    TOPSOIL, STRIP, SALVAGE AND SPREAD, 6"     630 C.Y.
Alternate
    EXCAVATION, CLASS 10     1,524 C.Y.
Alternate
    SUBGRADE PREPARATION, 12-INCH     600 S.Y.
Alternate
    REINFORCED PCC 6-INCH     33 S.Y.
Alternate
    REINFORCED PCC BOAT RAMP TRANSITION SECTION 6-INCH     18 S.Y.
Alternate
    CLASS 'A' CRUSHED STONE     131 Tons
Alternate
    MACADAM STONE     388 Tons
Alternate
    CLASS 'E' REVETMENT     582 Tons
Alternate
    EXCAVATION, CLASS 10     1,802 C.Y.
Alternate
    SUBGRADE PREPARATION, 12-INCH     446 S.Y.
Alternate
    REINFORCED PCC 6-INCH     45 S.Y.
Alternate
    REINFORCED PCC BOAT RAMP TRANSITION SECTION 6-INCH     18 S.Y.
Alternate
    CLASS 'A' CRUSHED STONE     104 Tons
Alternate
    MACADAM STONE     344 Tons
Alternate
    CLASS 'E' REVETMENT     433 Tons

notice to bidders

download plans and specs

Plans can be ordered by following this link: http://bit.ly/IADNRPlans

planholders list




LINN -- PROJECT # 24-06-57-01                7/24/2025                Large Project Letting
PLEASANT CREEK SRA
CAMPGROUND IMPROVEMENTS
Proposal Guarantee: $12,500
Completion Date: 4/10/2026

   Project includes constructing 6 gravel campsites and 2 PCC campsites with 50 amp electrical outposts and removing and replacing the sanitary sewer dump station at Pleasant Creek State Recreation Area.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Traffic Control     1 L.S.
    Demolition     1 L.S.
    Silt Fence     160 L.F.
    Clearing, Grubbing and Grading     1 L.S.
    Stump Removal, 6" to 24" Dia.     10 Each
    Stump Removal, 24" to 36" Dia.     10 Each
    6-inch Sanitary Sewer Service PVC (SDR 23.5)     30 L.F.
    Sanitary Holding Tank, 2,500 Gal     1 Each
    Dump Station Island     1 L.S.
    Electrical Distribution Box, 400 Amp     1 Each
    Single Campsite Outlet Post-50 Amp     8 Each
    No. 2 AWG Grounding Conductor Cable, Type THW or USE     1,186 L.F.
    No. 250 MCM Single Conductor Cable, Type USE     1,800 L.F.
    No. 4/0 AWG Single Conductor Cable, Type USE     1,758 L.F.
    Roadway Crossing 3.5-Inch Conduit Schedule 80 PVC     40 L.F.
    Trench, Single Circuit Secondary     1,066 L.F.
    Circuit Breakers     2 Each
    Modified Subbase - PCC Camp Pads     61 Tons
    6-inch Non-Reinforced PCC - Camp Pads     340 S.Y.
    Modified Subbase - Dump Station     264 Tons
    7-inch Non-Reinforced PCC - Dump Station     894 S.Y.
    Engineering Fabric     767 S.Y.
    Macadam Stone     149 Tons
    Class 'A' Crushed Stone     81 Tons
    4'x4'x5.5" Reinforced PCC Slab and Fire Ring     6 Each
    Fire Ring Only, ADA Model     2 Each
    Campsite Posts, Furnish and Install     8 Each
    Site Restoration     1 L.S.

notice to bidders

download plans and specs

Plans can be ordered by following this link: http://bit.ly/IADNRPlans

planholders list




MAHASKA -- PROJECT # 20-05-62-07                7/24/2025                Large Project Letting
LAKE KEOMAH STATE PARK
SPILLWAY FLOOR CONCRETE
Proposal Guarantee: $12,500
Completion Date: 11/30/2025

   This project consists of a 6" PCC overlay of the existing spillway floor.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Surface Cleaning     1,088 S.Y.
    6" PCC Overlay     1,088 S.Y.
    Concrete Testing     1 L.S.

notice to bidders

download plans and specs

Plans can be ordered by following this link: http://bit.ly/IADNRPlans

planholders list




CERRO GORDO -- PROJECT # 23-03-17-09                7/24/2025                Small Project Letting
CLEAR LAKE STATE PARK
RESTROOM AND SHOWER BUILDING (DUPLICATE)
Proposal Guarantee: $12,500
Completion Date: 4/30/2026

   Clear Lake State Park is located at 6490 South Shore Drive, Clear Lake, IA 50428 in Cerro Gordo County. In the Northern section of campgrounds there are two restroom/shower buildings. Only the restroom/shower building furthest to the West is covered under this contract. The existing restroom/shower building is a modular prefabricated concrete structure. The proposed work will improve the structure of the building, refresh its amenities, lengthen its service life, and reduce maintenance and repairs currently performed by park staff. Work includes the addition of a standing seam metal roof, removal and replacement of construction joints and sealants throughout the building, new painted surfaces both interior and exterior, new resinous anti-slip flooring throughout, floor slab modifications to improve drainage in shower stalls, new electrical timers, lighting, and exhaust fans, repair and replacement of faulty or damaged restroom fixtures, dispensers and partitions, and new outdoor sand "pre-rinse" shower tower station.

Contact:
Kenneth Howe
319-240-3553
Kenneth.howe@dnr.iowa.gov




DICKINSON -- PROJECT # 25-01-30-12                7/24/2025                Small Project Letting
TRIBOJI DOCK MANAGEMENT AREA
SHORELINE REPAIR & STABILIZATION
Proposal Guarantee: $0
Completion Date: 12/1/2025

   This project is designed to repair multiple shoreline erosion areas and stabilize 580' of shoreline with fieldstone revetment. The project is located on the Triboji Dock Management Area (DMA) in Dickinson County, Iowa. Work under this project included tree removal, installing earthfill (imported material) to repair vertical slope erosion, placement of fieldstone revetment for shoreline armoring, seeding, and erosion control product installation.

Contact:
Jeff Felts
515-250-3712
Jeff.Felts@dnr.iowa.gov




LOUISA -- PROJECT # 25-06-58-01                7/24/2025                Small Project Letting
ODESSA WILDLIFE UNIT
ODESSA WMA-ROAD LEVEE ARMORING
Proposal Guarantee: $0
Completion Date: 10/1/2025

   This project consists of placing approximately 492 tons of Class E riprap, with 8-inches of IA gradation #3 subbase, along a levee embankment and site restoration.

Contact:
Bruce Flippin
515-689-8009
bruce.flippin@dnr.iowa.gov