Amendment_A_-_Plans.pdf

PDF 25 MB Posted Apr 29, 2026

Attached to: Elk Creek Wetlands - Phase 2 State and local contract opportunity
Solicitation number: EVT0010817
Issued by: Douglas County, Kansas

About this file

Written by GovTribe AI · May 15, 2026

This amendment document consists of construction plans for the Kansas Department of Wildlife and Parks (KDWP) Elk Creek Wetlands Phase 2 project, dated February 20, 2024. The plans detail a multi-phase wetland construction and restoration project involving the creation and modification of three wetlands along the Wakarusa River. Phase 1 includes both base bid and alternate bid options, with Phase 2 designated as a future bid component. The project encompasses wetland areas totaling approximately 182.8 acres with combined volumes of 293.6 acre-feet, featuring Wetland #1 (30.7 acres, 30.9 ac-ft at 885.5' full service level), Wetland #2 (74.1 acres, 95.7 ac-ft at 883.5' full service level), and Wetland #3 (78.0 acres, 167.0 ac-ft at 883.0' full service level). The plans indicate construction of embankments, earthwork, water control structures, 12-inch PVC pipe installations, drain pipes with butterfly valves, and fill areas using half-foot contour intervals for precision grading.

The plans are supported by satellite imagery and topographic mapping with cross-section details (labeled A-A' through F-F') to guide construction execution. Materials are to be supplied by KDWP, indicating the agency's direct involvement in resource provision. The document reflects detailed engineering specifications necessary for contractors to bid on and execute the wetland construction work, with the phased approach allowing for staged implementation and potential cost management across multiple contract periods.

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Other files for this state and local contract opportunity

Other files attached to Elk Creek Wetlands - Phase 2, newest first.
File	Type	Posted
EVT0010817_-_Elk_Creek_Wetlands_-_RFQ.pdf	PDF	Apr 29, 2026
Amendment_1_-_Bid_Extended.docx	DOCX document	Apr 29, 2026
Amendment_2_-_Q-A.pdf	PDF	Apr 29, 2026
Revised_Schedule_of_Bid_Values.pdf	PDF	Apr 29, 2026
Elk_Creek_Wetlands_-_Phase_2.pdf	PDF	Apr 29, 2026

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02/20/2024

MATERIALS SUPPLIED BY KDWP

PHASE 1 BASE BID

PHASE 1 ALTERNATE BID

PHASE 2 FUTURE BID

LEGEND

Rebecca Johnson Line

EXAMPLE OF DUCKS

UNLIMITED

CONTROL POINT

SURVEY CAP

LEGEND

FULL SERVICE LEVEL (FSL)

HALF FOOT CONTOUR

INTERVALS SHOWN

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #1

FSL: 885.5'

AREA = 30.7 ACRES

VOL. = 30.9 AC-FT

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

WAKARUSA

RIVER

DRAIN PIPE

BUTTERFLY VALVE

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #1

FSL: 885.5'

AREA = 30.7 ACRES

VOL. = 30.9 AC-FT

HALF FOOT CONTOUR

INTERVALS SHOWN

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

FULL SERVICE LEVEL (FSL)

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

A A'

HALF FOOT CONTOUR

INTERVALS SHOWN

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WETLAND #1

FSL: 885.5'

AREA = 30.7 ACRES

VOL. = 30.9 AC-FT

WAKARUSA

RIVER

HALF FOOT CONTOUR

INTERVALS SHOWN

LEGEND

FULL SERVICE LEVEL (FSL)

CONSTRUCT EMBANKMENT/

EARTHWORK

CUT / BORROW LOCATION

WATER CONTROL

STRUCTURE

12" PVC PIPE

DRAIN PIPE

BUTTERFLY

VALVE

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

HALF FOOT CONTOUR

INTERVALS SHOWN

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WAKARUSA

RIVER

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

WETLAND #1

FSL: 885.5'

AREA = 30.7 ACRES

VOL. = 30.9 AC-FT

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WAKARUSA

RIVER

INTERVALS SHOWN

LEGEND

FULL SERVICE LEVEL (FSL)

CONSTRUCT EMBANKMENT/

EARTHWORK

CUT / BORROW LOCATION

WATER CONTROL

STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

INTERVALS SHOWN

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

LEGEND

FULL SERVICE LEVEL (FSL)

CONSTRUCT EMBANKMENT/

EARTHWORK

CUT / BORROW LOCATION

WATER CONTROL

STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

HALF FOOT CONTOUR

INTERVALS SHOWN

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WETLAND #1

FSL: 885.5'

AREA = 30.7 ACRES

VOL. = 30.9 AC-FT

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

WAKARUSA

RIVER

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

BUTTERFLY VALVE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #1

FSL: 885.5'

AREA = 30.7 ACRES

VOL. = 30.9 AC-FT

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

HALF FOOT CONTOUR

INTERVALS SHOWN

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

HALF FOOT CONTOUR

INTERVALS SHOWN

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL

STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

HALF FOOT CONTOUR

INTERVALS SHOWN

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

INTERVALS SHOWN

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

LEGEND

FULL SERVICE LEVEL (FSL)

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WAKARUSA

RIVER

FULL SERVICE LEVEL (FSL)

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

F F'

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WAKARUSA

RIVER

INTERVALS SHOWN

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

LEGEND

FULL SERVICE LEVEL (FSL)

CONSTRUCT EMBANKMENT/

EARTHWORK

WATER CONTROL

STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

LEGEND

FULL SERVICE LEVEL (FSL)

HALF FOOT CONTOUR

INTERVALS SHOWN

CONSTRUCT EMBANKMENT/

EARTHWORK

EXISTING PIPE

CUT / BORROW LOCATION

EXISTING WATER

CONTROL STRUCTURE

WATER CONTROL STRUCTURE

12" PVC PIPE

FILL / CONSTRUCTED

TOPOGRAPHY

WETLAND #1

FSL: 885.5'

AREA = 30.7 ACRES

VOL. = 30.9 AC-FT

WETLAND #2

FSL: 883.5'

AREA = 74.1 ACRES

VOL. = 95.7 AC-FT

WETLAND #3

FSL: 883.0'

AREA = 78.0 ACRES

VOL. = 167.0 AC-FT

INTERVALS SHOWN

2-8

9-19

File details come from the government source that posted it. Updated May 15, 2026.