Putting the award page together from the records…
Putting the award page together from the records…
Thalle Construction Co Inc received this contract from W072 Endist Nashville, Department of the Army: $27.81M obligated so far for construction of dams. It runs to 2027-08-24.
Key facts · data as of Oct 21, 2026
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 21, 2026.
Cite this page: SpendQuery, Award W912P521C0015, data as of Oct 21, 2026, https://spendquery.com/award?id=CONT_AWD_W912P521C0015_9700_-NONE-_-NONE-
Thalle Construction Co Inc: all federal awards · Department of Defense: spending · W072 Endist Nashville: what it buys · The follow-on: recompete brief
CONSTRUCTION OF DOWNSTREAM MONOLITHS FOR THE KENTUCKY LOCK, GRAND RIVERS, KENTUCKY
Up for re-bid: ends 2027-08-24. Recompete brief →
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.
67 actions since 2022-10-06. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-07-17 | P00020 | Supplemental agreement (work within scope) | $1.83M | KENTUCKY LOCK DOWNSTREAM MONOLITHS DOWNSTREAM MONOLITH CONSTRUCTION FOR THE KENTUCKY LOCK, GRAND RIVERS, KENTUCKYCONTRACT COMPLETION DATE 24 AUGUST 2027 |
| 2026-06-17 | A00054 | Supplemental agreement (work within scope) | $230.9K | SCOPE OF WORK A00053 WKR049-2 M10 WATERTIGHT DOOR AND UTILITY EMBEDS (FINAL): THIS MODIFICATION IS FOR PROCURING AND INSTALLING A WATERTIGHT DOOR, PIPE SLEEVES, AND A THRU-WALL BARRIER MOUNTING FRAME AT MONOLITH M10. |
| 2026-06-11 | A00053 | Supplemental agreement (work within scope) | $148.0K | SCOPE OF WORK A00053 WKR049-2 M10 WATERTIGHT DOOR AND UTILITY EMBEDS (FINAL): THIS MODIFICATION IS FOR PROCURING AND INSTALLING A WATERTIGHT DOOR, PIPE SLEEVES, AND A THRU-WALL BARRIER MOUNTING FRAME AT MONOLITH M10. |
| 2026-05-19 | A00052 | Supplemental agreement (work within scope) | $440.0K | SCOPE OF WORK A00052 WKR079 PHASE 3 ROCK STABILIZATION: THIS MODIFICATION IS FOR STABILIZING THE PHASE 3 ROCK NEAR MONOLITH M32 BY REMOVAL OF UNSTABLE MATERIAL, WATER MITIGATION, REBAR DOWELS, FORMWORK, AND CONCRETE OVERPOUR. |
| 2026-05-12 | P00019 | Supplemental agreement (work within scope) | $20.0K | SCOPE OF WORK WKR072-2 BRIDGE PIER AND M17 GALLERY CHANGES (PART I-SUPPLEMENT): RESIZE/SHIFT TWO BRIDGE PIER COLUMNS, ADD ELECTRICAL BLOCK OUT, REBAR QUANTITIES, REBAR INSTALLATION, CONCRETE, CEMENT, FLY ASH, ADD FLOOR HATCH, DRAINPIPE, DRAIN COVERS. |
| 2026-04-23 | P00018 | Supplemental agreement (work within scope) | $140.0K | SCOPE OF WORK WKR100-1 M31 WEDGE TREATMENT (PART I-NTP): THE CONTRACTOR SHALL TIE INTO MONOLITH M31C FROM THE BULL NOSE OF M31 AND ALTERS THE STICK-BUILT WALL ARMOR THAT IS NO LONGER REQUIRED TO TIE INTO THE SEGMENTAL COFFERDAM. |
| 2026-04-15 | P00017 | Supplemental agreement (work within scope) | $0 | SCOPE OF WORK WKR100-1 M31 WEDGE TREATMENT (PART I-NTP): THE CONTRACTOR SHALL TIE INTO MONOLITH M31C FROM THE BULL NOSE OF M31 AND ALTERS THE STICK-BUILT WALL ARMOR THAT IS NO LONGER REQUIRED TO TIE INTO THE SEGMENTAL COFFERDAM. |
| 2026-04-01 | A00051 | Supplemental agreement (work within scope) | $0 | SCOPE OF WORK WKR098 WEATHER TIME EXTENSION JUL 2025-JAN 2026. THIS MODIFICATION EXTENDS TIME FOR DELAYS CAUSED BY ADVERSE WEATHER DURING THE PERIOD 01 JULY 2025 THROUGH 31 JANUARY 2026. |
| 2026-02-23 | P00016 | Supplemental agreement (work within scope) | $20.0K | SCOPE OF WORK BRIDGE PIER M17 GALLERY CHANGES WKR072THIS MODIFICATION CHANGES QUANTITIES OF REBAR, REBAR INSTALLATION, CONCRETE, CEMENT, AND FLY ASH, PLUS ADDS A FLOOR HATCH AND LADDER LEADING INTO THE GALLERY. |
| 2026-02-09 | A00050 | Supplemental agreement (work within scope) | $23.3K | SCOPE OF WORK WKR062 M17, M19, M20 DRAIN: THIS MODIFICATION INCREASES THE DRAIN SIZE TO MITIGATE WATER DRAINAGE POOLING BETWEEN THE NEW LOCK AND EXISTING LOCK. |
| 2026-01-08 | P00015 | Supplemental agreement (work within scope) | $50.0K | SCOPE OF WORK WKR096-1 U1 WALL ARMOR-CAISSON CONFLICT (PT. I NTP): THIS MODIFICATION ADDS A PERMANENT PINTLE GREASE LINE AND PROVIDES SPECIFICATIONS FOR TOLERANCES, INSTALLATION REQUIREMENTS, FIELD TESTS, AND INSPECTIONS. |
| 2025-12-22 | A00049 | Supplemental agreement (work within scope) | $75.0K | SCOPE OF WORK WKR096-1 U1 WALL ARMOR-CAISSON CONFLICT (PT. I NTP) |
| 2025-11-24 | A00048 | Supplemental agreement (work within scope) | $82.1K | CASES WKR048, -081, -084, -085, -091, -092, -094 MODIFICATION A00048 "L14 WALL & U2M/U2L FMB ELEV., HOSE CABINET RELOCATION, EPOXY GROUT CREDIT, CULVERT BULKHEAD GRATING SUPPORT, M31 JT REDUCTION, KEYWAY FORMWORK REDESIGN, LIFT STATION CLEANOUT" |
| 2025-11-13 | P00014 | Supplemental agreement (work within scope) | $1.25M | CASE WKR088 MODIFICATION P00014 "QV-EXCAVATION AND DENTAL" |
| 2025-10-21 | P00013 | Supplemental agreement (work within scope) | $3.03M | CASE WKR017 MODIFICATION P00013 "BULKHEAD RECESS METALS & GALLERY GUTTER" |
| 2025-09-30 | A00047 | Supplemental agreement (work within scope) | $126.6K | CASE WKR077, WKR090 MODIFICATION A00047 "U1 ANCHOR CHANGE & US 2ND STAGE JOINT PREP" |
| 2025-09-10 | A00046 | Supplemental agreement (work within scope) | -$67.0K | CASE WKR073, WKR080, WKR086 MODIFICATION A00046 "ACTIVE WELD, WALL ARMOR, CSG CHANGE" |
| 2025-09-03 | A00045 | Supplemental agreement (work within scope) | $195.5K | CASE WKR058 MODIFICATION A00045 "CONTROL STAND GALLERY EXTENSIONS" |
| 2025-08-26 | A00044 | Supplemental agreement (work within scope) | $60.0K | CASE WKR049-1 MODIFICATION A00044 "M10 WATERTIGHT DOOR & UTILITY EMBEDS" |
| 2025-08-22 | A00043 | Supplemental agreement (work within scope) | $47.6K | CASE WKRO78-1 MODIFICATION A00043 C31-C32 OUTLET WORKS GEOMETRY (PART 1-NTP) |
| 2025-07-30 | A00042 | Supplemental agreement (work within scope) | $0 | CASE WKRO87 MODIFICATION A00042 "WEATHER TIME EXTENSION MAY 25-JUN 25" |
| 2025-07-24 | A00041 | Supplemental agreement (work within scope) | -$226.0K | WKR074 A00041 "HIGH MAST LIGHTS DESCOPE" |
| 2025-07-10 | A00040 | Supplemental agreement (work within scope) | $17.0K | CASE WKR075 MODIFICATION A00040 "U1M CAISSON CHANGES" |
| 2025-06-02 | A00039 | Supplemental agreement (work within scope) | $0 | CASE WKR076 MODIFICATION A00039 "WEATHER TIME EXTENSION JAN 25-APR 25" |
| 2025-05-19 | A00038 | Supplemental agreement (work within scope) | $6.0K | CASE WKR063 MODIFICATION A00038 DRILLED SHAFT M21-P5 STEEL OBSTRUCTION |
| 2025-04-23 | A00037 | Supplemental agreement (work within scope) | $13.9K | CASE WKRO61 MODIFICATION A00037 PARTNERING COSTS 2025 |
| 2025-04-17 | A00036 | Supplemental agreement (work within scope) | $59.2K | CASE WKRO45 MODIFICATION A00036 FMB AIRLINES |
| 2025-04-10 | A00035 | Supplemental agreement (work within scope) | $78.0K | CASE WKRO57 WATERSTOP CHANGES, CASE WKR053 BACKFILL PHASE 1, MODIFICATION A00035 |
| 2025-03-20 | A00034 | Supplemental agreement (work within scope) | $150.9K | CASE WKR060 AND WKR070 MODIFICATION "MISC. MECHANICAL REPAIRS & ADDT'L JANITORIAL SERVICES" |
| 2025-03-05 | A00033 | Supplemental agreement (work within scope) | $235.5K | CASE WKR065 MODIFICATION A00033 CAISSON EMBEDS & U1R METALS |
| 2025-02-19 | A00032 | Supplemental agreement (work within scope) | $0 | CASE WKR067 MODIFICATION A00032 WEATHER TIME EXTENSION OCT 2024-DEC 2024 |
| 2025-02-04 | P00012 | Supplemental agreement (work within scope) | $701.4K | CASE WKR040 MODIFICATION P00012 M22-M25 & M30-M31 RECONFIGURATION |
| 2025-01-07 | A00031 | Supplemental agreement (work within scope) | $390.7K | WKR041 A00031 L29 & M29 MACHINERY ROOM CHANGES |
| 2024-12-23 | P00011 | Supplemental agreement (work within scope) | $1.26M | WKRO39 MODIFICATION P00011 GATE SPRAY INTAKE & TRASH RACKS INSTALL |
| 2024-12-02 | P00010 | Supplemental agreement (work within scope) | $2.28M | CASE WKR018 MODIFICATION P00010 M31 JOINT TREATMENT |
| 2024-11-21 | A00030 | Supplemental agreement (work within scope) | $114.3K | CASES WKR044, WKR047, WKR066 MODIFICATION A00030 CONTACT BLOCK, L32 BEAM SEAT REMOVAL, M19-P7 REMEDIATION |
| 2024-11-13 | P00009 | Supplemental agreement (work within scope) | $4.22M | CASE WKR019 MODIFICATION P00009 MISCELLANEOUS METALS |
| 2024-10-21 | A00029 | Supplemental agreement (work within scope) | $0 | CASE WKR064 MODIFICTAION A00029 WEATHER TIME EXTENSION JULY 2024-SEPTEMBER 2024 |
| 2024-10-10 | A00028 | Supplemental agreement (work within scope) | $75.2K | CASE WKR024 MODIFICATION A00028 DRILLED SHAFTS REDESIGN |
| 2024-09-18 | A00027 | Supplemental agreement (work within scope) | $79.0K | CASE WKR055 MODIFICATION A00027 SFTP DATA TRANSITION |
| 2024-08-20 | A00026 | Supplemental agreement (work within scope) | $32.2K | CASE WKR056 MODIFICATION A00026 RISK MANAGEMENT PARTNERING COSTS 2024 |
| 2024-08-15 | A00025 | Supplemental agreement (work within scope) | $0 | CASE WKR059 MODIFICATION A00025 WEATHER TIME EXTENSION APRIL-JUNE 2024 |
| 2024-08-12 | A00024 | Supplemental agreement (work within scope) | $11.9K | CASE WKR052 MODIFICATION A00024 "STAFF GAGES & L28/M28 PROTECTION" |
| 2024-07-03 | A00023 | Supplemental agreement (work within scope) | $29.7K | CASE WKR051 MODIFICATION A00023 "CAISSON RECESS FILLER HANGER BEVELING" |
| 2024-06-17 | P00008 | Supplemental agreement (work within scope) | $988.0K | CASE WKR054 MODIFICATION P00008 "QV-6-IN DRILLED SHAFTS" |
| 2024-05-01 | A00022 | Supplemental agreement (work within scope) | $0 | CASE WKR050 MODIFICATION A00022 "WEATHER TIME EXTENSION JAN 2024-MAR 2024" |
| 2024-04-12 | A00021 | Supplemental agreement (work within scope) | $408.9K | CASE WKR043 MODIFICATION A00021 "DRILLED SHAFT BEAM STIFFENERS" |
| 2024-03-25 | A00020 | Supplemental agreement (work within scope) | $421.4K | CASE WKR046 MODIFICATION A00020 "MISCELLANEOUS METALS MATERIALS" |
| 2024-02-13 | A00019 | Supplemental agreement (work within scope) | $13.7K | CASE WKR037 MODIFICATION A00019 "PARTNERING COSTS 2024" |
| 2024-02-08 | A00018 | Supplemental agreement (work within scope) | $0 | CASE WKR042 MODIFICATION A00018 "WEATHER TIME EXTENSION NOV 2021-DEC 2023" |
| 2024-01-25 | A00017 | Supplemental agreement (work within scope) | $350.0K | CASE WKR031 MODIFICATION A00017 "FMB BLOCKOUT REINFORCEMENT INSTALLATION" |
| 2024-01-11 | A00016 | Supplemental agreement (work within scope) | $16.2K | CASE WKR035 MODIFICATION A00016 EXISTING SEWER LINE INSULATION REPAIRS |
| 2023-12-20 | A00015 | Supplemental agreement (work within scope) | $106.0K | GATE SPRAY MATERIAL |
| 2023-12-04 | A00014 | Supplemental agreement (work within scope) | $158.2K | CASE WKR022, WKR023 MODIFICATION A00014 "LIFT STATION, FLOW METERS, PARTNERING" |
| 2023-11-06 | A00013 | Supplemental agreement (work within scope) | -$46.3K | CASE WKR032, WKR033, WKR036 MODIFICATION A00013 "PIEZOMETER, TILTMETER, WALL ARMOR REPAIR" |
| 2023-07-31 | A00012 | Supplemental agreement (work within scope) | $157.5K | CASE WKR029 MODIFICATION A00012 "FMB BLOCKOUT REINFORCEMENT MATERIAL" |
| 2023-06-29 | P00007 | Supplemental agreement (work within scope) | $4.22M | CASE WKR027 MODIFICATION P00007 "QUANTITY VARIATION-MUD MAT CONCRETE" |
| 2023-06-12 | P00006 | Supplemental agreement (work within scope) | $3.16M | MODIFICATION P00006 CASE WKR028 "QV-EXCAVATION AND LINE DRILLING" |
| 2023-05-26 | P00005 | Supplemental agreement (work within scope) | $932.6K | CASE WKRO15 MODIFICATION P00005 "FMB EMBEDDED METALS" |
| 2023-05-19 | A00011 | Supplemental agreement (work within scope) | $169.8K | CASE WKR023 MODIFICATION A00011 "RELOCATE MITER GATE MANHOLES" |
| 2023-04-24 | A00010 | Supplemental agreement (work within scope) | $15.6K | CASE WKR021 MODIFICATION A00010 "INSTRUMENTATION SENSORS, GATE FOBS, AND ATS REPAIR" |
| 2023-04-20 | A00009 | Supplemental agreement (work within scope) | $98.4K | CASES WKR016 AND WKR020 MODIFICATION A00009 "BIL SIGNAGE, TYPE 1L CEMENT TESTING, JIB CRANE REPAIRS, AND AERIAL PHOTOS" |
| 2022-12-28 | A00008 | Supplemental agreement (work within scope) | $10.0K | CASE WKR017 MODIFICATION A00008 PARTNERING COSTS 2023 |
| 2022-11-30 | A00007 | Supplemental agreement (work within scope) | $433.1K | CASE WKR010 MODIFICATION A00007 DATA MANAGEMENT VISUALIZATION |
| 2022-11-16 | P00004 | Supplemental agreement (work within scope) | -$1.30M | CASE WKR011 MODIFICATION P00004 CULVERT LINER ANGLE DELETION |
| 2022-11-07 | A00006 | Supplemental agreement (work within scope) | $169.6K | CASE WKR013 MODIFICATION A00006 COFFERDAM CELL 1 BANDING ADDITION |
| 2022-10-06 | A00005 | Supplemental agreement (work within scope) | $82.2K | CASE WKR012 MODIFICATION A00005 "ADDITIONAL GOVERNMENT UTV'S |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-21). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗