PROJECTS LETTING -  January , 2026

 
 
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.

SHELBY 25-04-83-04 Prairie Rose State Park - South Boat Ramp Improvements-2026-01-15   Bid Completion detail
BOONE 24-02-08-01 Ledges State Park - Oak Woods Shelter Repairs-2026-01-22   Bid Completion detail
DICKINSON 22-01-30-04 Spirit Lake Fish Hatchery - Shoreline Restoration-2026-01-22   Bid Completion detail
MONONA 26-01-67-01 Lewis and Clark State Park Visitors Center - HVAC System Replacement -2026-01-22   Bid Completion detail
CERRO GORDO 26-03-17-02 Clear Lake Fisheries Management Unit - Aquarium Roof-2026-01-29   Bid Completion detail
MAHASKA 25-05-62-02 Lake Keomah State Park - Pedestrian Bridge-2026-02-05   Bid Completion detail
TAMA 26-05-86-01 Union Grove - House Foundation Removal-2026-02-12   Bid Completion detail




BOONE -- PROJECT # 24-02-08-01                1/22/2026                Large Project Letting
LEDGES STATE PARK
OAK WOODS SHELTER REPAIRS
Proposal Guarantee: $25,000
Completion Date: 7/31/2026

   This project includes repairs to two historically significant shelters in Ledges State Park near Boone, Iowa. Oakwood Shelter - The structure has shifted due to tree falling on the shelter. The entire log structure is to be disassembled. New column footings will be constructed and new log columns set on top. Log structure to be reassembled using original log components wherever possible. The existing roof and roof framing will be demolished and removed. A new log purlin roof will be constructed on the reassembled log framing structure. The stone chimney will need cleaning and repointing. Fireplace brick to be cleaned and repointed. Brick floor and concrete walkway need cleaning and sealing. Electrical conduits and receptacles to be rerouted and painted similar to existing. An ADA compliant concrete pad will be constructed to appropriately access the shelter's grill. Henning Shelter - Repairs to the shelters timber beams are needed at some bearing locations. Flashing is in need of repair at stone chimney and roof intersection. Realignment of log framing to be completed.

ESTIMATED QUANTITIES:
    MOBILIZATION     1 L.S.
    DEMOLITION     1 L.S.
    CONCRETE FOOTINGS AND PAD     1 L.S.
    CHIMNEY STONE REPLACEMENT AND REPOINTING     1 L.S.
    CHIMNEY CROWN AND FLUE REPAIRS     1 L.S.
    FIREPLACE BRICK REPAIR AND REPOINTING     1 L.S.
    LOG COLUMN CONSTRUCTION AND ACCESSORIES     1 L.S.
    LOG BEAMS AND RAFTERS CONSTRUCTION     1 L.S.
    LOG PURLIN CONSTRUCTION     1 L.S.
    LOG RAILING AND COLUMN BRACES REINSTALLATION CONSTRUCTION     1 L.S.
    ROOF SHEATHING, UNDERLAYMENT, SHINGLES AND ACCESSORIES     1 L.S.
    LOG STAINING, PROTECTANTS, CONSOLIDANTS, AND COATINGS     1 L.S.
    CHIMNEY FLASHING REPLACEMENT AND SEALANT     1 L.S.
    ELECTRICAL PANEL, CONDUIT AND OUTDOOR RECEPTACLES     1 L.S.
    NEW ADA GRILL UNIT     1 L.S.
    CLEAN AND SEAL EXISTING CONCRETE     1 L.S.
    CLEAN, SEAL, RESTRIPE ADA PARKING CONCRETE PAD     1 L.S.
    SEEDING AND EROSION CONTROL     1 L.S.
    HENNING SHELTER - TIMBER BEAMS REPAIR     1 L.S.
    HENNING SHELTER - CHIMNEY FLASHING REPAIR     1 L.S.
    HENNING SHELTER - REPOINTING AT TIMBER HEADER     1 L.S.
    HENNING SHELTER - REALIGN AND SECURE GABLE END LOG RAFTERS     1 L.S.
    HENNING SHELTER - REPOINT MORTAR AT CHIMNEY(25% OF AREA EST.)     1 L.S.

notice to bidders

download plans and specs

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

planholders list




DICKINSON -- PROJECT # 22-01-30-04                1/22/2026                Large Project Letting
SPIRIT LAKE FISH HATCHERY
SHORELINE RESTORATION
Proposal Guarantee: $25,000
Completion Date: 6/26/2026

   This project is located on the shore of East Okoboji Lake at Isthmus Park and the Spirit Lake Fish Hatchery. It includes tree and brush clearing, stump grinding in Isthmus Park, 860 linear (shoreline) feet of coir logs, and 222 tons of shoreline riprap armoring. It includes 1.5 acres of turf grass seeding, 1 acre of native seeding and 2.5 acres of mulching. A NPDES Permit #2 and SWPPP are required.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Traffic Control     1 L.S.
    Tree and Brush Clearing     1 L.S.
    Native Fieldstone, Class D Riprap     222 Tons
    Double 12" Coir Log     640 L.F.
    Single 12" Coir Log     220 L.F.
    Earthfill (topsoil)     120 C.Y.
    Granular Surfacing, 1.5" Roadstone     50 Tons
    Turf Grass Seeding     1.5 Acres
    Native Seeding     1 Acres
    Hydraulic Wood Cellulose Mulching     2.5 Acres
    Stump Grinding     55 Each
    NPDES Permit and SWPPP     1 L.S.

notice to bidders

download plans and specs

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

planholders list




MONONA -- PROJECT # 26-01-67-01                1/22/2026                Large Project Letting
LEWIS AND CLARK STATE PARK VISITORS CENTER
HVAC SYSTEM REPLACEMENT
Proposal Guarantee: $25,000
Completion Date: 6/30/2026

   Project includes replacement of outdated HVAC units and controls. Project also includes replacements of geothermal system vault, valves, and glycol. Repairs will restore proper balancing and function to essential building HVAC systems.

ESTIMATED QUANTITIES:
    MOBILIZATION     1 L.S.
    EXISTING HVAC DEMOLITION     1 L.S.
    NEW HVAC UNITS - EQUIPMENT AND INSTALL     1 L.S.
    GEOTHERMAL VAULT, VALVES AND GLYCOL REPLACEMENT     1 L.S.
    BORING     1 L.S.
    EXISTING ELECTRICAL DEMOLITION     1 L.S.
    NEW ELECTRICAL CONNECTIONS AND BREAKERS     1 L.S.
    MISC. ELECTRICAL     1 L.S.

notice to bidders

download plans and specs

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

planholders list




SHELBY -- PROJECT # 25-04-83-04                1/15/2026                Small Project Letting
PRAIRIE ROSE STATE PARK
SOUTH BOAT RAMP IMPROVEMENTS
Proposal Guarantee: $0
Completion Date: 5/1/2026

   This project includes the removal and replacement of most of a boat ramp, a 30'x50' parking lot, and a small quantity of sidewalk. To improve the boat ramp's function, portions of the boat ramp and parking lot will be raised approximately one foot with special backfill. Seeding, mulching, class E riprap, and erosion control are also included. Send an email to request plans and proposal form.

Contact:
Zach Gunsolley
515-250-3713
zach.gunsolley@dnr.iowa.gov




CERRO GORDO -- PROJECT # 26-03-17-02                1/29/2026                Small Project Letting
CLEAR LAKE FISHERIES MANAGEMENT UNIT
AQUARIUM ROOF
Proposal Guarantee:
Completion Date: 5/20/2026

   Work consists of removing existing clay tiles on the aquarium portion of the hatchery. Existing dormers will be removed and areas infilled. Install new architectural shingles and parapet wall flashing.

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




MAHASKA -- PROJECT # 25-05-62-02                2/5/2026                Small Project Letting
LAKE KEOMAH STATE PARK
PEDESTRIAN BRIDGE
Proposal Guarantee: $0
Completion Date: 5/31/2026

   This project includes installing a 60' pedestrian bridge at Lake Keomah State Park. The bridge is currently located in the Stephens State Forest near Lucas, Iowa. Contractor is to transport the bridge to Lake Keomah, install footings, and install the bridge over the spillway. Send an email to request plans.

Contact:
Jason Kruse
(515) 250-3707
jason.kruse@dnr.iowa.gov




TAMA -- PROJECT # 26-05-86-01                2/12/2026                Small Project Letting
UNION GROVE
HOUSE FOUNDATION REMOVAL
Proposal Guarantee: $0
Completion Date: 6/30/2026

   The ranger's residence at Union Grove State Park is being removed from the site prior to the commencement of this contract. This project includes complete removal of basement walls and floor. Sewer and water will be capped outside of the building footprint. The hole will be filled with contractor-supplied clay and compacted. Send an email to request plans.

Contact:
Jason Kruse
(515) 250-3707
jason.kruse@dnr.iowa.gov