PROJECTS LETTING -  March , 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.

WEBSTER 26-02-94-03 Brushy Creek State Recreation Area - Residence Foundation Demolition and Debris Removal-2026-03-26   Bid Completion detail
POLK 25-02-77-04 Big Creek State Park - Shelter and Restroom Demolitions-2026-04-02   Bid Completion detail
BLACK HAWK 24-03-07-01 George Wyth State Park - Office and Shop Building-2026-04-23   
CARROLL 23-02-14-01 Swan Lake State Park - Draw Down Structure-2026-04-23   
DICKINSON 26-01-30-06 Reed Farm - Wetland Restoration-2026-04-23   
MARSHALL 26-05-64-01 Hendrickson Marsh - Lake Enhancements-2026-04-23   




BLACK HAWK -- PROJECT # 24-03-07-01                4/23/2026                Large Project Letting
GEORGE WYTH STATE PARK
OFFICE AND SHOP BUILDING
Proposal Guarantee: $75,000
Completion Date: 2/28/2027

   This project consists of removal of existing buildings and construction of a new office and shop building, plus related earthwork, paving and site utilities, and incidental work as required by the Plans and/or the DNR Construction Inspector. The new building work includes concrete slab floors and foundations, wood framing (stud walls and manufactured roof truss), exterior sheet metal cladding (walls, roof and soffits), gutters and downspouts, insulation (blown-in and batt types), composite windows, doors and frames (hollow metal, wood and overhead sectional types), Interior finishes (drywall, acoustical ceilings and painting), casework (cabinets and countertops), toilet room accessories, Shop heating and ventilation, Office HVAC, plumbing (water, waste and gas piping, and fixtures), electrical power and lighting, communication cabling, and fire alarm and detection systems. Sitework includes demolition (existing buildings, sidewalks, retaining wall and concrete pads), grading, new paving (concrete and compacted gravel), relocation of existing fuel tank and security gate, existing utility modifications (water, sanitary, storm, natural gas and electrical), and a new flagpole.

ESTIMATED QUANTITIES:
    MOBILIZATION     1 L.S.
    DIVISION 1 - GENERAL AND ADMINISTRATIVE     1 L.S.
    DIVISION 2 - EXISTING CONDITIONS     1 L.S.
    DIVISION 3 - CONCRETE     1 L.S.
    DIVISION 5 - METALS     1 L.S.
    DIVISION 6 - WOOD     1 L.S.
    DIVISION 7 - THERMAL AND MOISTURE     1 L.S.
    DIVISION 8 - OPENINGS     1 L.S.
    DIVISION 9 - FINISHES     1 L.S.
    DIVISION 10 - SPECIALTIES     1 L.S.
    DIVISION 12 - FURNISHINGS     1 L.S.
    DIVISION 22 - PLUMBING     1 L.S.
    DIVISION 23 - HEATING, VENTILATION, AND COOLING     1 L.S.
    DIVISION 26 - ELECTRICAL     1 L.S.
    DIVISION 27 - COMMUNICATIONS     1 L.S.
    DIVISION 28 - ELECTRONIC SAFETY AND SECURITY     1 L.S.
    DIVISION 31 - EARTHWORK     1 L.S.
    DIVISION 32 - EXTERIOR IMPROVEMENTS     1 L.S.
    DIVISION 33 - SITE UTILITIES     1 L.S.

notice to bidders

download plans and specs

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

planholders list




CARROLL -- PROJECT # 23-02-14-01                4/23/2026                Large Project Letting
SWAN LAKE STATE PARK
DRAW DOWN STRUCTURE
Proposal Guarantee: $12,500
Completion Date: 9/30/2026

   This project includes installing new draw down pipes, valve and wet well including a temporary coffer dam at Swan Lake State Park.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Traffic Control      1 L.S.
    Pavement Removal     117 S.Y.
    Cofferdam and Dewatering     1 L.S.
    Storm Sewer Pipe, 18" HDPE     84 L.F.
    Wet Well     1 L.S.
    Fish Barrier     1 L.S.
    Granular Subbase     24 Tons
    PCC Pavement, 6" Depth     117 S.Y.
    Class A Road Stone     64 Tons
    Revetment Class E      32 Tons
    Electrical Install     1 L.S.
    Bollards     3 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




DICKINSON -- PROJECT # 26-01-30-06                4/23/2026                Large Project Letting
REED FARM
WETLAND RESTORATION
Proposal Guarantee: $25,000
Completion Date: 9/4/2026

   The Reed Farm Restoration project is designed to restore eight wetland pool areas on the Reed Wildlife Management Unit Property near East Okoboji Lake in Dickinson County. Work includes wetland dike construction, excavation, tile manipulation, water control structure installation, erosion control, tree removal, and parking lot construction.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Site Preparation / Misc. Removals     1 L.S.
    Excavation     9,160 C.Y.
    Embankment Construction     13,620 C.Y.
    Water Control Structure     3 Each
    Riser - 24-Inch     4 Each
    Riser - 30-Inch     1 Each
    Storm Sewer - 12-Inch     48 L.F.
    Storm Sewer - 24-Inch     293 L.F.
    Tile Removal     1,250 L.F.
    Tile Plug     35 Each
    Class 1 Field Stone     80 Tons
    Iowa DOT Class A Roadstone     45 Tons
    Iowa DOT Macadam Stone (3" Size)     125 Tons
    Large Boulders at Parking Area Perimeter     1 L.S.
    Cable Gate and Posts     1 L.S.
    Exploratory Tile Locating     40 HR.
    Soil Erosion and Pollution Control - Iowa DNR NPDES General Permit No.2     1 L.S.
    Soil Erosion and Pollution Control - Wattle     2,300 L.F.
    Construction Staking and Layout     1 L.S.

notice to bidders

download plans and specs

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

planholders list




MARSHALL -- PROJECT # 26-05-64-01                4/23/2026                Large Project Letting
HENDRICKSON MARSH
LAKE ENHANCEMENTS
Proposal Guarantee: $12,500
Completion Date: 10/31/2026

   This project consists of retrofitting the existing water control structure with stoplog bays, fish exclusion fingers, and a hand rail.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Structural Steel - Water Control     1 L.S.
    Structural Steel - Guardrail     1 L.S.
    Demolition and Removals     1 L.S.

notice to bidders

download plans and specs

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

planholders list




WEBSTER -- PROJECT # 26-02-94-03                3/26/2026                Small Project Letting
BRUSHY CREEK STATE RECREATION AREA
RESIDENCE FOUNDATION DEMOLITION AND DEBRIS REMOVAL
Proposal Guarantee: $0
Completion Date: 6/17/2026

   The Ranger's house located at 3175 290th Street, Lehigh, IA 50557 and has been burned in a controlled training fire. The remaining portions of the residence need to be removed and disposed of off-site. Remaining portions include brick foundations, concrete floor, basement debris, brick chimney, septic tank, concrete flatwork, shed, septic tank, and lateral inspection ports.

Contact:
Heath Delzell
(515) 979-0104
heath.delzell@dnr.iowa.gov




POLK -- PROJECT # 25-02-77-04                4/2/2026                Small Project Letting
BIG CREEK STATE PARK
SHELTER AND RESTROOM DEMOLITIONS
Proposal Guarantee: $0
Completion Date: 6/30/2026

   This project consists of demolishing two restrooms, one picnic shelter, and one picnic shelter slab with foundation.

Contact:
Heath Delzell
(515) 979-0104
heath.delzell@dnr.iowa.gov