25-01-43-01 - Jones Creek Parking - Scope of Work.pdf

PDF 3 MB Posted Feb 24, 2026

Attached to: Jones Creek Pond Parking Maintenance, Loess Hills State Forest, Monona County
Solicitation number: 25-01-43-01
Issued by: Muscatine County, Iowa

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Written by GovTribe AI · Feb 26, 2026

Jones Creek Pond Parking Maintenance Project Summary

This is a Scope of Work document prepared by the Iowa Department of Natural Resources (DNR) Engineering Section for the Jones Creek Pond Parking Maintenance Project (Project No. 25-01-43-01) located at Loess Hills State Forest in Monona County, Iowa. The project involves regrading an existing gravel parking lot and access road serving the Jones Creek Pond boat ramp to address recurring erosion and drainage issues. Primary work activities include Class 12 and Class 10 roadway excavation and borrow operations with material salvage and reuse, installation of approximately 3,400 square feet of Geoweb soil reinforcement panels (Presto Systems Co. model GW30V60829PT, 6 inches tall), placement of non-woven geotextile fabric underlayment, furnishing and installation of Class A crushed stone surfacing, grading of a 16-foot wide swale channel with 5:1 side slopes, and seeding and erosion control products on all disturbed areas. Estimated quantities include approximately 46 cubic yards of salvaged rock material, 84 cubic yards of Class 10 excavation, and 50 cubic yards of contractor-furnished earthen borrow. The bid closing date is March 12, 2026 at 3:00 PM, with electronic bid submission required. Contractors are required to visit the project site and familiarize themselves with actual job conditions prior to bidding.

The project specification references Iowa Department of Transportation standards and SUDAS specifications for granular surfacing, seeding, and erosion control product installation. Work shall conform to all applicable codes and ordinances, with the DNR providing surveying services and the contractor responsible for locating and avoiding underground utilities and fixtures. The contractor must provide waste disposal areas for excess excavated material and broken concrete not incorporated into the work. All disturbed grass areas require fertilization and reseeding with brome grass at 15 pounds per acre and a nurse crop of oats at 25 pounds per acre, along with installation of Type 3B rolled erosion control product matting. The DNR does not have an approved borrow site identified; contractors may either survey the borrow site before and after the project or negotiate a load count method with an appropriate shrink factor. Project Manager Jeff Felts may be contacted at 515-250-3712 or jeff.felts@dnr.iowa.gov for bid package documentation.

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Jeffrey R. Felts Date License Number: 18644 My license renewal date is December 31, 2027 Pages or sheets covered by this seal:

All

This project is designed to provide needed maintenance and improve drainage issues on the entrance road and parking area of Jones Creek Pond.

Work includes earth grading, geoweb installation, granular surfacing, and erosion control.

Iowa DNR

Jeff Felts

515-250-3712 jeff.felts@dnr.iowa.gov

951 Starview Dr.

Hinton, IA 51024

Iowa Department of Natural Resources Construction Documents for

Loess Hills State Forest Monona County, Iowa

Jones Creek Pond Parking Maintenance Project No. 25-01-43-01

Project Location Map

Sheet Index

Cover Sheet Location Map Quantities & General Information Existing Site Plan Proposed Site Plan Swale Section Geoweb Details Geoweb Details Goeweb Details

Iowa DNR

Jeff Felts

515-250-3712 jeff.felts@dnr.iowa.gov

951 Starview Dr.

Hinton, IA 51024

I hereby certify that this engineering document was prepared by me or under my direct personal supervision and that I am a duly licensed Professional Engineer under the laws of the State of Iowa.

Directory Project Manager

Organization

Contact

Phone

Address

City, State, Zip

District Engineer Organization

Contact

Phone

Address

City, State, Zip

Project Description

Project Number:

25-01-43-01

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

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Revision Final

Date 02/19/26

Cover Sheet

Project Area

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JEFFREY R. FELTS 18644

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Map data © OpenStreetMap contributors, Microsoft, Esri Community Maps contributors, Map layer by Esri Powered by Esri Map data © OpenStreetMap contributors, Microsoft, Esri Community Maps contributors, Map layer by Esri Powered by Esri

0' 1000' 2000'

Project Number:

25-01-43-01

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

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Revision Final

Date 02/19/26 2Location Map

Project Area

-1

E60

L14

E60

L14

314th Street

-1

Loess Hills State Forest

Jones Creek Pond

340th Street

So ldier

Rive r

Estimate Reference Information 2.

10.

Complete Class 12 roadway and borrow of the existing parking lot and roadway granular surface per Iowa Department of Transportation Specification section 2102. Contractor shall salvage as much granular material as possible, stockpile, and then respread as embankment as identified on the plan sheets.

Complete Class 10 roadway and borrow of the existing earthen material per Iowa Department of Transportation Specification section 2102. Excavated material shall be reused as embankment and compacted with a sheepsfoot roller.

Furnish and install earthen borrow per Iowa Department of Transportation Specification section 2102 to complete the project grading per plan. Material shall be a suitable soil free of rocks and gravel. It shall be compacted with a sheepsfoot roller prior to fine grading. The borrow site shall be surveyed before and after the project to determine the final installed quantity. Alternatively a load count method with appropriate shrink factor can be negotiated. The DNR does not have an approved site for this borrow.

Furnish and install Class A crushed stone surfacing per Iowa Department of Transportation Specification section 4120.04 (gradation #11). Material will be used to fill geoweb cells contained within the parking lot, roadway, and also used to provide the final surface lift (minimum 3") on any other disturbed areas of the parking lot and roadway.

Topsoil in the channel grading area outside of the existing parking lot shall be striped to a 6" depth and salvaged. Following Geoweb installation, backfill cells with topsoil. Compact material per manufacturer specifications.

Furnish and install Geoweb panels by Presto Systems Co. (or equal) as identified in the plan set. Panels shall be presto code GW30V60829PT. The panels are 6" in depth and 8 cells wide by 29 cells long. They shall be perforated with slots for atra keys and be anchored with 24" atra stakes. installation shall be per manufacturer specifications, and as outlined herein.

Furnish and install a non woven geotextile fabric under the entire geoweb footprint. Material shall be Mirafi 140N (4 oz) or approved equal. It shall be rolled out and staked into place prior to the installation of of the geoweb panels.

All disturbed grass areas shall be fertilized and reseeded following final grading. Seeding shall be installed per Iowa SUDAS specification section 9010. The seed shall be brome grass at a minimum rate of 15lbs/acre with a nurse crop of Oats at a rate of 25lbs/acre. Fertilizer shall be a 13-13-13 mix at 150lbs/acre.

All disturbed grass areas shall have a Rolled Erosion Control Product (RECP) installed following seeding. The material shall be a type 3B matting per Iowa Sudas section 9010. And installed per manufacturer specification.

Project Number:

25-01-43-01

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

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Revision Final

Date 02/19/26

Quantities & General Information

General Information

1. Verify actual locations and elevations with DNR Engineer. DNR will provide surveying.

2. All work shall conform to and be performed in accordance with all applicable codes and ordinances.

3. The contractor shall visit the site and inspect the project area and thoroughly familiarize themselves with the actual job conditions prior to bidding and the start of work. Failure to visit the project site shall not relieve the contractor from performing the work in accordance to the plans, specification, special provisions and contract.

4. The contractor shall verify, at the site, all dimensions and conditions shown on the plans and shall notify the DNR Engineer of any discrepancies, omissions, and/or conflicts prior to proceeding with the work.

5. It shall be the contractor’s responsibility to provide waste areas or disposal sites for excess material (excavated material or broken concrete) which is not desirable to be incorporated into the work involved on this project. No payment for overhaul will be allowed for material hauled to these sites.

No material shall be placed within the right-of-way, unless specifically stated in the plans or approved by the DNR Engineer.

6. The contractor shall not disturb desirable grass areas and desirable trees outside the construction limits. The contractor will not be permitted to park or service vehicles and equipment or use these areas for storage of materials. Storage, parking and service areas will be subject to the approval of the DNR Engineer.

7. Where utilities and fixtures are shown as Existing on the plans or encountered within the construction area, it shall be the responsibility of the contractor to notify the DNR Engineer of those utilities prior to the beginning of any construction. The contractor shall be afforded access to these facilities for necessary modification of services. Underground facilities, structures and utilities have been plotted from available surveys and records and therefore their locations must be considered approximate only. It is possible there may be others, the existence of which is presently not known or shown. It is the contractor’s responsibility to determine their existence and exact location and to avoid damage thereto. No claims for additional compensation will be allowed to the contractor for any interference or delay caused by such work.

8. The contractor shall shape graded area to maintain surface drainage. All elevations are to finish grade.

9. The contractor is expected to have materials, equipment, and labor available on a daily basis to install and maintain erosion control features on the project. This may involve seeding, silt fence, rock ditch checks, silt basins or silt dikes.

201121

0' 10' 20'

Project Number:

25-01-43-01

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

Sh ar ed d riv es

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Revision Final

Date 02/19/26 4Existing Site Plan

Parking Lot

Access Road

County Highway E60

Toe of Berm

Jones Creek Pond Boat Ramp

-0+10 0+00

0+20

0+40 0+60 0+80

1+00 1+20

1+40 1+59

0' 10' 20'

Project Number:

25-01-43-01

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

Sh ar ed d riv es

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Revision Final

Date 02/19/26 5Proposed Site Plan

Regrade parking lot, maintain existing elevations on east side.

Jones Creek Pond Boat Ramp

Install 6" tall Geoweb panels (8'x29'), Approximately 3400 SF. Core out subgrade as needed and place geotextile fabric under geoweb panels. Interlock panels with Atra Keys, and secure to ground with 24' Atra Stakes. Fill Geoweb cells with Class A Crushed Stone or soil as directed by DNR District Engineer. Follow manufacturer recommendations.

Sta. 0+00 to Sta. 1+50 Grade 16' wide swale channel adjacent to toe of berm. See detail.

Blend cross slope out of channel to match existing ground in last 20' of channel.

Seeding and RECP required on all disturbed areas.

Raise road to direct drainage westward.

Side slopes (fill) shall be 5:1.

Geoweb shall extend 2' beyond swale

Note: Class 12 Excavation, Roadway and Borrow - Contractor shall salvage as much rock as possible within the grading area.

Approximately 46 CY. Place salvaged material in geoweb or on roadway as directed by the engineer after grading and shaping.

Class 10 Excavation, Roadway and Borrow - Grade swale channel and roadway. Core out 6" depth for geoweb panels. Approximately 84

CY.

Embankment, Contractor Furnished Borrow - Use offsite earthen fill to bring subgrade to 6" below finished grade. Approximately 50 CY.

Granular Surfacing, Class A Crushed Stone - Contractor to furnish and install stone into the full depth of the geoweb cells that are in the parking and roadway perimeter. Stone shall also be furnished as the final lift in all other disturbed granular areas (min 3").

County Highway E60

Stake and Anchor Geoweb at crest per details on Sheet 8.

Project Number:

25-01-43-01

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

Sh ar ed d riv es

\D N

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Revision Final

Date 02/19/26 6Swale Section

Swale Cross Section - With Geoweb Not to Scale

4% 4%

Parking Lot

2'6' 6" Tall Geoweb

16' Swale Channel

Match Geoweb surface with existing ground

Note: Core out subgrade as needed and place geotextile fabric under geoweb panels. Interlock panels with Atra Keys, and secure to ground with 24' Atra Stakes. Fill Geoweb cells with Class A Crushed Stone (in roadway) or soil as directed by DNR District Engineer.

Place Geotextile Fabric under Geoweb

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

Sh ar ed d riv es

\D N

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Revision Final

Date 02/19/26 7Geoweb Details

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

Sh ar ed d riv es

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Revision Final

02/19/26 8Geoweb Details

Bid Date:

03/12/2026

Iowa Department of Natural Resources Engineering Section - 6200 Park Ave., Suite 200 Des Moines, IA 50321-1270

Jones Creek Overflow Parking Improvements Loess Hills State Forest, Monona County

Sheet No:Drawn by: DP

Sh ar ed d riv es

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Revision Final

02/19/26 9Geoweb Details

Sheets and Views

25-01-43-01 Loess - Jones Creek - Parking - Design 2-1

25-01-43-01 Loess - Jones Creek - Parking - Design 2-2

25-01-43-01 Loess - Jones Creek - Parking - Design 2-3

25-01-43-01 Loess - Jones Creek - Parking - Design 2-4

25-01-43-01 Loess - Jones Creek - Parking - Design 2-5

25-01-43-01 Loess - Jones Creek - Parking - Design 2-6

25-01-43-01 Loess - Jones Creek - Parking - Design 2-7

25-01-43-01 Loess - Jones Creek - Parking - Design 2-8

25-01-43-01 Loess - Jones Creek - Parking - Design 2-9

File details come from the government source that posted it. Updated Feb 26, 2026.