27CRDLWBMBALM-0001 - Dosing Plans.pdf
PDF 3 MB Posted
- Solicitation number
- 27CRDLWBMBALM-0001 *REBID*
- Issued by
- Taylor County, Iowa
About this file
This file contains dosing plans and site documentation prepared by Shive-Hattery, Inc. for the State of Iowa Department of Natural Resources and Black Hawk County Conservation in collaboration with Tama County. The project involves the application of aluminum sulfate and sodium aluminate treatment to Casey Lake, located within Hickory Hills Park in Tama County, to reduce internal phosphorus recycling and improve water quality. The scope includes mobilization and demobilization services, delivery of 23,845 gallons of liquid aluminum sulfate at an application rate of 718 gallons per acre, and delivery of 11,923 gallons of liquid sodium aluminate at an application rate of 359 gallons per acre. The treatment will be applied to approximately 33 acres across the main lake treatment zone (30.8 acres) and three in-lake forebays (totaling 2.2 acres). Casey Lake encompasses 38.3 acres with a maximum depth of 19.2 feet and a mean depth of 9.9 feet. The project is scheduled for spring 2027 application. Bids were due September 4, 2026 at 10:00 a.m. CDT, with bid opening occurring on August 27, 2026 at 8:00 a.m. CDT. This represents a rebid following an unsuccessful prior cycle.
The dosing plans establish specific chemical application rates and identify designated treatment zones, staging areas, chemical tank storage locations, and vessel loading areas accessible via Hickory Hills Road. Coordination with Black Hawk County Conservation is required for access and staging arrangements. The project documents include a cover sheet and site plan (sheets C000 and C101) and reference DNR Project #24-05-86-01. Payment terms are sixty days as permitted under Iowa Code 8A.514, with options for early payment discounts if payment is made within 15 or 30 days. Bidders were required to submit contact information, business history, technical experience, resumes for key personnel, and three references from previous customers, along with acceptance of DNR Standard Contract Conditions and General Conditions.
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Text version
CASEY LAKE
X AVE
HICKORY
HILLS PARK
Y
AV
E
52ND ST
130TH ST
PARK BOUNDARY
(APPROXIMATE)
HICKORY HILLS
PARK ENTRANCE
HICKORY HILLS RD
SITE ACCESS ROUTE
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STATE OF IOWA
ENGINEER
SHIVE-HATTERY, INC
ATTN: LUKE MONAT
4125 WESTOWN PARKWAY, SUITE 100
WEST DES MOINES, IOWA 50266
PH: (515) 223-8104
FX: (515) 223-0622
OWNER:
BLACK HAWK COUNTY CONSERVATION
ATTN: CHERRIE NORTHRUP & AL FINKE
1346 WEST AIRLINE HIGHWAY
WATERLOO, IOWA 50703
PH: (319) 433-7275
CONTACT INFORMATION:
TAMA COUNTY
PROJECT
LOCATION
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TOLEDO
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GLADBROOK
ENGINEERING BUREAU CHIEF DATE
AUTHORIZATION - PARKS | WILDLIFE | FISHERIES | LAW ENFORCEMENT | FORESTRY DATE
AUTHORIZATION TO BID
PAGES, SHEETS OR DIVISIONS COVERED BY THIS SEAL:
My License Renewal Date is: DECEMBER 31, Printed or typed name:
License Number:
Signature: Date
I HEREBY CERTIFY THAT THIS ENGINEERING DOCUMENT DESCRIBED
BELOW 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.
ALL SHEETS
LUKE MONAT
22610
CIVIL ENGINEER
DNR REPRESENTATIVE
IOWA DEPT. OF NATURAL RESOURCES
ATTN: MICHELLE BALMER
6200 PARK AVENUE
DES MOINES, IOWA 50321
PH: (515) 238-2458
DNR PROJECT #24-05-86-01
LIMNOLOGIST
STANTEC
ATTN: DENDY LOFTON
1 CARLSON PKWY N
PLYMOUTH, MN 55447
PH: (612) 712-2072
CASEY LAKE ALUM DOSING
BLACK HAWK COUNTY CONSERVATION
HICKORY HILLS PARK, TAMA COUNTY
Sheet List Table Sheet Number Sheet Title
C000 COVER SHEET
C101 SITE PLAN
6/30/2026
Exhibit 2: 27CRDLWBMBALM-0001
HICKORY HILLS RD
SITE ACCESS ROUTE
STAGING, CHEMICAL TANK STORAGE, AND
VESSEL LOADING AREA. COORDINATE
ACCESS/STAGING PLAN WITH BLACK
HAWK COUNTY CONSERVATION.
APPROXIMATE
PROPERTY LINE (TYP)
MAIN LAKE TREATMENT ZONE,
WATER DEPTH OF 5' OR GREATER.
AREA = 30.8 ACRES
SW FOREBAY TREATMENT ZONE
AREA = 1.0 ACRES
NW FOREBAY TREATMENT ZONE
AREA = 0.7 ACRES
NE FOREBAY TREATMENT ZONE
AREA = 0.5 ACRES
FOREBAY NWL = 896.50
FOREBAY NWL = 896.50
FOREBAY NWL = 896.50
MAIN LAKE NWL = 895.50
BOAT RAMP
ROUTE TO PARK ENTRANCE
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NORTH
LEGEND
LINE TYPEDESCRIPTION
ACCESS ROUTE
BOAT RAMP
STAGING AREA
NORMAL WATER LEVEL
PROPERTY BOUNDARY
MAJOR CONTOUR
MINOR CONTOUR
TREATMENT ZONE
APPLICATION RATES
ALUMINUM SULFATE: 718 GAL/ACRE
SODIUM ALUMINATE: 359 GAL/ACRE
CASEY LAKE SUMMARY
MAXIMUM DEPTH: 19.2 FT
MEAN DEPTH: 9.9 FT
LAKE AREA: 38.3 ACRES
VOLUME: 380.2 ACRE-FT
TREATMENT AREA: 33 ACRES
*THESE VALUES INCLUDE THE 3
IN-LAKE FOREBAYS SHOWN
22.5
| Sheets and Views |
| C000 COVER SHEET |
| C101 SITE PLAN |
File details come from the government source that posted it. Updated .