White_Lake_Sheet_C5_-_Structure_Details.pdf

PDF 562 KB Posted Aug 21, 2026

Attached to: Water Control Structure Replacement; TWRA - UPDATED
Solicitation number: Event 32801-13977
Issued by: Dickson County, Tennessee

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Written by GovTribe AI · Aug 24, 2026

Water Control Structure Replacement Technical Specifications

This is a technical specification sheet prepared by Ducks Unlimited Inc. for the Tennessee Wildlife Resources Agency (TWRA) regarding water control structure replacement at White Lake Refuge in Dyer County, Tennessee, under ITB 32801-13977. The project scope encompasses the removal and replacement of a concrete water control structure featuring detailed specifications for a reinforced concrete box with embedded steel stoplog channels, walkway grating, and associated infrastructure. The structure design includes a 10-inch thick reinforced concrete base and walls with #4 rebar at 12-inch on-center spacing, nine total stoplog bays with tongue-and-groove aluminum channels, hot-dipped galvanized steel components, and a 54-inch diameter pipe connection. The concrete must achieve minimum compressive strength of 4,000 PSI, and the structure includes specific elevation requirements ranging from bottom rock elevation 247.17 to top of raising elevation 257.50. Mandatory site visit is scheduled for August 19, 2026 at 9:00 a.m. CDT at GPS coordinates 36.1142, -89.5707, with bids due August 31, 2026 at 1:37 p.m. CDT, and completed work delivery required by September 5, 2026.

All construction work must comply with Tennessee contractor licensing requirements, workers' compensation and general liability insurance with minimum limits of one million dollars, and Tennessee Department of Revenue tax registration. Bidders must submit firm, fixed-price unit pricing on an F.O.B. destination basis inclusive of all labor, materials, overhead, and applicable taxes, with the State of Tennessee exempt from local, state, and federal excise taxes. The contract represents a single award to the lowest responsive and responsible bidder on a one-time basis subject to appropriation and availability of state or federal funds. The State retains right of termination for convenience with thirty days' notice, and bidders must certify compliance with debarment status, non-involvement in fraud or criminal activity within the past three years, non-collusion status, and non-affiliation with Iran Divestment Act restrictions or foreign adversary companies under Public Chapter 768 (2026). Written questions and comments are due by 2:00 p.m. on August 21, 2026, directed to contract administrator William Harmon III at 615-741-3285 or will.harmon@tn.gov, and a Certificate of Insurance is required prior to contract execution.

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Other files

File	Type	Posted
White_Lake_Refuge_WCS_Replacement_100_Plans_6-11-26.pdf	PDF	Aug 17, 2026
Water_Control_Structure_Replacement__TWRA.pdf	PDF	Aug 13, 2026
ITB_32801-13977_Terms_and_Conditions.pdf	PDF	Aug 13, 2026
ITB_32801-13977_Specifications.pdf	PDF	Aug 13, 2026

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7' -6

8' -4

7' -6

" F

N T

5' WEIR LENGTH10" 10"

10"

7'-8"

4' -6

" S

5' 1'-4"

7' -6

5' -4

" S

E W

3' SIDE STOPLOG BAYS

5' WEIR LENGTH

4' -6

" S

10"

1'-4"

1-3/4"10"

1'-4"

4" 10"

1-3/4"

1'-4"

10"

4" 3"

SHEET NUMBER

W H

U G

E W

C S

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FRONT VIEW

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BOC ELEV. 249.17

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TOC ELEV. 250.00

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TOC ELEV. 257.50

AutoCAD SHX Text CONCRETE WATER CONTROL STRUCTURE - KEY NOTES 0'-10" THICK CONCRETE BASE. REINFORCED WITH #4 REBAR AT 1'-0" ON CENTER - BOTH DIRECTIONS. 0-10" THICK CONCRETE WALLS. REINFORCED WITH #4 REBAR AT 1'-0" ON CENTER - BOTH DIRECTIONS. EMBEDDED STEEL STOPLOG CHANNELS IN SIDES AND BOTTOM OF ALL STOPLOG BAYS (9 TOTAL) - SEE DETAILS A, B, & C ON THIS SHEET. WALKWAY GRATING 1 "x " BARS, GW-125 AS MANUFCTURED BY MCNICHOLS (OR APPROVED EQUAL). 14"x " BARS, GW-125 AS MANUFCTURED BY MCNICHOLS (OR APPROVED EQUAL). 316" BARS, GW-125 AS MANUFCTURED BY MCNICHOLS (OR APPROVED EQUAL). GRATING TO BE PLACED ON TOP OF CONCRETE ATTACHED WITH SADDLE CLIPS. WALKWAY GRATING DIMENSIONS ARE 6'-10" X 5'-4". BEARING BARS SHALL RUN PERPENDICULAR TO SUPPORTING DIRECTION. A L 2" X 2" X " SHALL BE BOLTED TO THE TOP & FRONT OF THE CONCRETE BOX TO SUPPORT THE 38" SHALL BE BOLTED TO THE TOP & FRONT OF THE CONCRETE BOX TO SUPPORT THE GRATING. ENSURE 2" MINIMUM CLEARANCE FROM EMBEDDED STOPLOG CHANNELS. 59" DIAMETER HOLE CUTOUT INTO BACK OF CONCRETE BOX FOR A 54" DIAMETER PIPE. BOTTOM OF CUTOUT SHOULD BE FLUSH WITH THE TOP OF THE CONCRETE BASE. 2' THICK LAYER OF COMPACTED AGGREGATE BASE, WHICH SHALL EXTEND 2' PAST THE CONCRETE BASE ON ALL SIDES. NON-WOVEN GEOTEXTILE FABRIC UNDRERLAY USED BENEATH AGGREGATE BASE.

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SCALE: 1"=2'

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BOTTOM ROCK ELEV. 247.17

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BOC ELEV. 249.17

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TOC ELEV. 250.00

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TOC STOPLOG BAY ELEV. 254.50

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TOR ELEV. 257.50

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SIDE VIEW

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PLAN VIEW

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SCALE: 1"=2'

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SCALE: 1"=2'

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BOTTOM ROCK ELEV. 247.17

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DETAIL A

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DETAIL B

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DETAIL C

AutoCAD SHX Text 38"x4" CONT. GALV. STEEL PLATE

AutoCAD SHX Text 38"x3" CONT. GALV. STEEL PLATES

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EMBEDDED STOPLOG CHANNEL DETAIL A SCALE: 1" = '12'

AutoCAD SHX Text 38"x4" CONT. GALV. STEEL PLATE

AutoCAD SHX Text 38"x3" CONT. GALV. STEEL PLATES

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EMBEDDED STOPLOG CHANNEL DETAIL B SCALE: 1" = '12'

AutoCAD SHX Text ALL WELDS TO BE CONTINUOUS " FILLET WELDS, 14" FILLET WELDS, UNLESS OTHERWISE SPECIFIED

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EMBEDDED STOPLOG CHANNEL DETAIL C SCALE: 1" = '12'

AutoCAD SHX Text ALL WELDS TO BE CONTINUOUS " FILLET WELDS, 14" FILLET WELDS, UNLESS OTHERWISE SPECIFIED

AutoCAD SHX Text 38"x4" CONT. GALV. STEEL PLATE

AutoCAD SHX Text 38"x3" CONT. GALV. STEEL PLATES

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REVISIONS

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DATE

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DRAWN BY:

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SURVEYED BY:

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DATE:

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PROJECT NO.

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CHECKED BY:

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CONTRACT NO.

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SAMS NO.

AutoCAD SHX Text DUCKS UNLIMITED INC. SOUTHERN REGIONAL OFFICE 193 Business Park Drive; Suite E Ridgeland, MS 39157 C.O.R. 354 EXPIRES: 12/31/26

AutoCAD SHX Text THIS DOCUMENT, TOGETHER WITH THE CONCEPTS AND DESIGNS PRESENTED HEREIN, IS INTENDED ONLY FOR THE SPECIFIC PURPOSE AND CLIENT FOR WHICH IT WAS PREPARED. REUSE OF AND IMPROPER RELIANCE ON THIS DOCUMENT WITHOUT WRITTEN AUTHORIZATION AND ADAPTATION BY DUCKS UNLIMITED, INC. SHALL BE WITHOUT LIABILITY TO DUCKS UNLIMITED, INC.

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DKA

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DKA

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RC/BH

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TN-1-100

AutoCAD SHX Text 05/26

AutoCAD SHX Text WATER CONTROL STRUCTURE GENERAL NOTES CONCRETE SHALL ATTAIN A MINIMUM COMPRESSIVE STRENGTH OF 4000 PSI BEFORE ACCEPTANCE & SHIPPING OF UNITS. REINFORCING STEEL TO BE GRADE 60. CHAMFER ALL EXPOSED EDGES INCH 34 INCH FINISH ALL EXPOSED SURFACES WITH A CLASS 1 ORDINARY SURFACE FINISH. REINFORCING STEEL CLEARANCE IS MIN. 2 INCH CLEAN AND COAT ALL STEEL PIPE THAT HAS CONTACT WITH THE CONCRETE USING A BITUMINOUS MASTIC PAINT, THEN FILL GAP WITH STRUCTURAL NON-SHRINK GROUT (4000 PSI) TO PRODUCE A WATERTIGHT SEAL. GRATING WALKWAY AND EMBEDDED CHANNELS SHALL BE HOT DIPPED GALVANIZED. TONGUE AND GROOVE STOPLOG CHANNELS SHALL BE ALUMINIUM. SMOOTH STEEL PIPE SHALL BE " WALL THICKNESS.12" WALL THICKNESS.

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File details come from the government source that posted it. Updated Aug 24, 2026.