Atch_4_Quivira_WCS_Structure_Mod_Details_Appendix.pdf

QUIVIRA NATIONAL WILDLIFE REFUGE

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Structure Modification Details - Photos

Quivira National Wildlife Refuge Stafford County, Kansas

2021 Water Conservation Rehabilitation of Water Control Structures

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APPENDIX A

Site Map

80 B

58 A

DCC

DCF

DCH

F2

D1

Public use vault toilet restroom

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APPENDIX B

TABLE of WATER CONTROL STRUCTURES

Structure Name Stainless Steel Channels Required (yes/no)

Concrete Work Required (yes/no)

80 B NO YES – Add 9 inches height;

58 A YES YES – Fill Existing Channels

DCH

YES YES – Fill Existing Channels; repair cracks/spalling

DCF

YES YES – Fill Existing Channels; repair cracks/spalling

DCC

YES YES – Fill Existing Channels; repair cracks/spalling

F2 YES YES – Fill Existing Channels; repair cracks/spalling

D1 YES YES – Fill Existing Channels; repair cracks/spalling

Optional Structures

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APPENDIX C

Corresponding Photo Log of Existing Water Control Structure Types to be Repaired/Rehabilitated

80 B – Two single bay stop Log & Construction Details

Top View - Concrete Box Riser

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58 A – Single Bay Stop Log

Stop Log Channel (both sides) – 60” height from top down to concrete floor

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Option: DCH – Double bay stop log with single drop log side channel

Stop Log Main Channel – 48” height (both sides) from top down to concrete base

Stop Log Side Channel – 29” height (both sides) from top down to concrete base

Main Channel

Side Channel

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Option: DCF – Double bay stop log with single drop log side channel

Stop Log Main Channel – 48” height (both sides) from top down to concrete base

Stop Log Side Channel – 29” height (both sides) from top down to concrete base

Main Channel

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Option: DCC – Double bay stop log with single drop log side channel

Stop Log Main Channel – 48” height (both sides) from top down to concrete base

Stop Log Side Channel – 29” height (both sides) from top down to concrete base

Main Channel

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Option: F2 - Double bay stop log with single drop log side channel

Stop Log Main Channel – 48” height (both sides) from top down to concrete base

Stop Log Side Channel – 29” height (both sides) from top down to concrete base

Main Channel

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Option: D1 - Double bay stop log with single drop log side channel

Stop Log Main Channel – 48” height (both sides) from top down to concrete base

Stop Log Side Channel – 29” height (both sides) from top down to concrete base

Main Channel

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Appendix E Fabrication Details for Upgrading to Stainless Steel Stop Log Channels Only on Structures

58A, DCH, DCF, DCC, F2, and D1.

Wall Stop Log Channel Details

2 ¼ “

1 ¾”

7 “

2“ ¼ “

¼ “

10 “

58 A - 60“ height DCH - 29” and 48” height DCF - 29” and 48” height DCC - 29” and 48” height F2 - 29” and 48” height D1 - 29” and 48” height

5/8 Elongated Holes Centered, on 10” Spacing.

2¼ “

¼ “

¼ “

¼ “

2“

1 ¾”

7 “

Seams “stitch” welded 2” – 10”

2” – 10”

2” – 10”

Note: Seams to be “stitch” welded to minimize distortion of welded members.

Stitch welds shall be approximately 2” in length and 10” on center for each seam welded. Alternate spacing of welds on each member. Welds bead thickness should be no greater than ¼”.

WALL STOP LOG CHANNEL DETAILS

Note: (1) Guide rails to be manufactured from 2”x2”x1/4” 304 Stainless Steel angle and 7”x1/4” 304 Stainless Steel plate. Mounting holes milled as an elongated hole to allow lateral adjustment of channel. Use ½”x4” Stainless Steel Anchor bolts.

(2) Place Mastic or Neoprene gasket behind Stop Log Channel prior to installation to prevent seepage.

(3) Existing channels on structure walls and floor are to be filled with concrete. Old existing steel channels removed will be left as property of the Refuge and not discarded.

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Intermediate (Center) Stop Log Channel Details

2 “

2” – 10” weld seam

¼”

8 “

4 “

2”x2”x1/4” Stainless Steel Angle

½”x4” Stainless Steel Anchor Bolts

8”x4”x1/4” 304 Stainless Steel Plate

Existing concrete floor channel void to be filled with concrete or mastic to prevent leakage

ITERMEDIATE STOP LOG CHANNEL DETAILS

Note: Guide rails to be manufactured from 2”x2”x1/4” 304 Stainless Steel angle and 8”x4”x1/4” 304 Stainless Steel plate.

Mounting holes milled as an elongated hole to allow lateral adjustment of channel. Same height as Wall Stop Log Channel. Use ½”x4” Stainless Steel Anchor bolts.

Example of intermediate stop log channel installed and braced to walkway structure.