25-04-15-03 Plans.pdf

A.01

Zachary A. Gunsolley Date License Number: 18702 My license renewal date is December 31, 2027 Pages or sheets covered by this seal:

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Capital Manager Authorization - Parks

This project includes constructing ADA-compliant PCC sidewalk to the park playground.

Iowa DNR

Zach Gunsolley

515-250-3713 zach.gunsolley@dnr.iowa.gov

1517 185th Ave

Diagonal, IA 50845

Iowa Department of Natural Resources Construction Documents for

Lake Anita State Park Cass County, Iowa

Playground Accessibility Improvements Project No. 25-04-15-03

Project Location Map

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Sheet Index A.01 A.02 A.03 A.04 B.01 B.02 B.03 C.01

Cover Sheet Location Map Project Overview Project Overview Project Details Project Details - Detectable Warnings Project Details - Detectable Warnings Quantities & General Information

Iowa DNR

Zach Gunsolley

515-250-3713 zach.gunsolley@dnr.iowa.gov

1517 185th Ave

Diagonal, IA 50845

Engineering Bureau Chief

Authorization to Bid

Date

Date

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

Email

Address

City, State, Zip

District Engineer Organization

Contact

Phone

Email

Address

City, State, Zip

Project Description

Project Number:

25-04-15-03

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Project Area

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0' 200' 400'

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Project Number:

25-04-15-03

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Revision Date A.02Location Map

Project Location Park Office

Playground Campground

5'

20'

60°

4'6.5'

4'

4'

2'

0' 20' 40'

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Project Number:

25-04-15-03

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Revision Date A.03Project Overview

Remove existing railroad tie border section to install sidewalk adjacent to tiles (incidental to construction). Add expansion joint material.

ADA Striping

Playground

Site Plan

Restrooms

ADA Van Parking Sign at end of stall 2' behind sidewalk

Furnish and install Parking Stop at end of stall

ADA Swing Pad

Strip and stockpile existing topsoil.

Harvest Class 10 material and place Special Backfill to target grade for sidewalk. Add expansion joint material at connection points.

Harvest Class 10 material for fill at west side of road.

Strip and stockpile existing topsoil.

Furnish and compact Class 10 and Special Backfill to maintain 4.5% target grade until touchdown point with existing grade. Add expansion joint material at connection points.

Detectable Warning Panels (Typical 2 Locations)

Project Number:

25-04-15-03

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Revision Date A.04Project Overview

Remove existing railroad tie border section to install sidewalk adjacent to tiles (incidental to construction). Add expansion joint material.

Strip and stockpile existing topsoil.

Furnish and compact Class 10 and Special Backfill to maintain 4.5% target grade until touchdown point with existing grade. Add expansion joint material at connection points.

West Side Class 10 Fill Area Not to Scale

ADA Swing Pad Connection Not to Scale

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Revision Date B.01Project Details

Special Backfill

Sidewalk Detail Not to Scale

4'

5" 4"

Three longitudinal #4 reinforcement bars evenly spaced with 6" minimum lap

1.5% target cross slope

MUTCD R7-8 and R7-8aP (van accessible) Solid green legend and border, reflective white background, white accessibility symbol on blue background.

ADA Accessible Parking Signs Detail Not To Scale

Notes:

1. 12"X18" accessibility sign shall be mounted 7' from finish grade to bottom edge of sign face.

Mounting height may be reduced to 5' if placed in a landscape area in which pedestrians are not expected to use.

2. Bollard may be omitted if installed in landscape areas.

3. Signage to be located at end of parking stall, 2' back from edge of pavement, centered on stall if possible.

4. All signage shall be high-intensity prismatic .080 aluminum reflective sign meeting the requirements of the MUTCD and

ADAAG.

5. Installation of square post and anchor base in accordance with IDOT SUDAS Section 8040.

Square Post 2-1/4"

Ground/Paving Surface

6"

1' -6

7'

3' 3'

Square Anchor Base 2-1/2" located at top of bollard (if equipped) or top of ground surface.

Use 6" Pipe Bollard filled with concrete and painted traffic yellow only when sign is in paved area or sidewalk.

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RESERVED PARKING

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VAN

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ACCESSIBLE

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Revision Date B.02Project Details - Detectable Warnings

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Revision Date B.03Project Details - Detectable Warnings

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Estimate Reference Information 1.

2.

3.

4.

5.

6.

7.

8.

9-11.

See referenced IDOT specification and Sheet B.01. In fill areas, place and compact after Class 10 placement. Estimated quantities include 4" under sidewalks.

See referenced IDOT specification. Place and compact in fill areas below special backfill and topsoil.

See referenced IDOT specification. Place in areas after Class 10 placement.

See referenced IDOT specification and Sheets A.03, A.04 and B.01. Class C mix, Class 2 durability coarse aggregate.

See referenced IDOT specification, Sheet A.03, B.02 and B.03.

See referenced IDOT specification and Sheet A.03. ULINE H-4608B/Y 6' black/yellow striped or approved equivalent. Include all labor, equipment, and materials necessary to install per manufacturer's recommendations.

See referenced IDOT specification. This item includes all necessary survey and staking to complete work in accordance with the Contract Documents and 2010 ADA Standards. Non-compliant work shall be removed and replaced at the sole expense of the contractor. Noteworthy ADA requirements:

A. 2% maximum cross slope on sidewalks.

B. 5% maximum running slope on sidewalks.

C. 2% maximum slope in any direction on parking stalls, access aisles.

See referenced IDOT specification and Sheets A.03 and B.01.

See referenced IDOT specification.

Project Number:

25-04-15-03

Bid Date:

05/28/2026

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

Accessibility Improvements Lake Anita State Park, Cass County

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Revision Date Quantities & General Information

General Information

1. Verify actual locations and elevations with DNR Engineer.

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.

10. The Iowa DOT Standard Specifications for Highway and Bridge Construction, Series 2023, plus General Supplemental Specifications and Supplemental Specifications effective at the time of letting, shall apply to this project. The item's description includes applicable IDOT specification sections.

11. Work Restrictions: Work cannot begin until September 8, 2026. This includes mobilization. No work from noon on Friday to sunrise on Monday to avoid peak camping. If campers are present, working hours shall be from 8 am to 5 pm.