Federal contract award
W912P517C0007
IGF::OT::IGF CHICKAMAUGA LOCK CHAMBER - BASE CONTRACT
Award details
Obligations, current value and potential value describe different measures; they are never added together.
| Field | Reported value |
|---|---|
| Agency | Department of Defense |
| Office | W072 ENDIST NASHVILLE |
| NAICS | 237990 — Other Heavy and Civil Engineering Construction |
| PSC | Z2KA — REPAIR OR ALTERATION OF DAMS |
| Parent award / vehicle | Not reported |
| Set-aside | NO SET ASIDE USED. |
| Pricing type | FIRM FIXED PRICE |
| Obligations | $312.8M |
| Current contract value | $312.8M |
| Potential contract value / ceiling | $312.8M |
| Start date | Sep 28, 2017 |
| Current end date | Jul 25, 2026 |
| Potential end date | Jul 25, 2026 |
| Latest award activity | Apr 29, 2026 |
| Source loaded | Sep 19, 2026 |
Funding and modification history
Showing the latest 18 of 18 loaded transactions. Negative values are deobligations.
| Date | Modification | Obligation change | Description |
|---|---|---|---|
| Apr 29, 2026 | P00029 | $-375.0K | CHICKAMAUGA LOCK CHAMBER REPLACEMENT - ADMINISTRATIVE MODIFICATION TO CORRECT FUNDED AMOUNT FOR CLIN 0523. |
| Mar 25, 2026 | PZ0028 | $3.1M | CHICKAMAUGA LOCK CHAMBER REPLACEMENT - CL254-2 MITER GATE PRODUCTION FILLET WELD SIZE INCREASE IS ENTERED INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES TO DEFINITIZE MODIFICATION P00026 (UCO PART 1). |
| Feb 11, 2026 | A00088 | $156.7K | CHICKAMAUGA LOCK CHAMBER REPLACEMENT |
| Jan 29, 2026 | A00087 | $58.0K | CHICKAMAUGA LOCK CHAMBER REPLACEMENT |
| Nov 26, 2025 | A00086 | $-33.1K | CL168-2, CL244, CL253, CL262, CL263, AND CL265 ARE ENTERED INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES. TOTAL CONTRACT PRICE IS DECREASED BY $33,146.71 FROM $309,911,296.42 TO $309,878,149.71. THE CONTRACT COMPLETION DATE SHALL REMAIN UNCHANGED BY THIS MODIFICATION. |
| Oct 28, 2025 | A00085 | $37.5K | CL229-1 INJECTION CRACK REPAIR IS ENTERED INTO PURSUANT TO FAR 52.243-4 CHANGES. THE CONTRACT PRICE IS INCREASED BY $37,500 FROM $309,873,796.42 TO $309,911,296.42. |
| Oct 8, 2025 | A00084 | $15.6K | CL241 MG RECESS LIGHTING CONFIGURATION, CL246 RFI-1134 SCHEDULE 80 PVC, CL252 RFI-1163 PAINT AND RFI-1170 PINTLE BUSHING ARE ENTERING INTO PURSUANT TO FAR 52.243-4 CHANGES. THE CONTRACT PRICE IS INCREASED BY $15,648.25 FROM $309,858,148.17 TO $309,873,796.42. THE CONTRACT COMPLETION DATE REMAINS UNCHANGED AT JANUARY 27, 2026. |
| Sep 18, 2025 | P00027 | $-4.3M | UNILATERAL MODIFICATION. CL199-2 RFI869 LOCK CONTROL SYSTEM IS ENTERED INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES. CL223 QBM OPTION 2 UNDERRUNS, CL224 QBM OPTION 3 UNDERRUNS, AND CL225 QBM OPTIONS 4-8 MISCELLANEOUS CONCRETE UNDERRUNS ARE ENTERED INTO PURSUANT TO AUTHORITY OF FAR 52.211-18 VARIATION IN ESTIMATED QUANTITY. |
| Aug 14, 2025 | P00026 | $111.9K | CL154-2 RFI-768 SHEAR WALL DESCOPE VS ELECTRICAL CREDIT AND CL254-1 MITER GATE PRODUCTION FILLET WELD SIZE INCREASE (UCO PART 1) ARE ENTERED INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES. |
| Aug 8, 2025 | A00083 | $135.0K | A00083 CL250-1 GALLERY POWER PANEL UCO PART 1 AND CL258-1 CULVERT VALVE MACHINERY GREASE LINES UCO PART 1 ARE ENTERED INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES. THE TOTAL CONTRACT PRICE IS INCREASED BY $135,000.00 FROM $313,911,834.86 TO $314,046,834.86. THE CONTRACT COMPLETION DATE REMAINS UNCHANGED AT JANUARY 27, 2026. |
| Aug 5, 2025 | A00082 | $271.4K | MODIFICATION A00082 CL196, CL237, CL240, CL249, AND CL256 IS ENTERED INTO UNDER THE AUTHORITY OF FAR 52.243-4 CHANGES AND FAR 52.211-18 VARIATION IN ESTIMATED QUANTITIES. THE CONTRACT PRICE IS INCREASED BY $271,400.55. THERE IS NOT TIME EXTENSION ASSOCIATED WITH THIS CHANGE. |
| Jul 22, 2025 | A00081 | $123.7K | IMPLEMENTS UNILATERALLY CONTRACT CHANGES CL139, CL167, AND CL208-2 PURSUANT TO THE AUTHORITY OF FAR 52.243-4 CHANGES. TOTAL CONTRACT PRICE IS INCREASED BY $123,682.00. COMPLETION DATE REMAINS UNCHANGED AT JANUARY 27, 2026. |
| Jun 19, 2025 | A00080 | $51.9K | A00080 - CL095, CL175, CL188, CL202-2, CL234, AND CL239 |
| Mar 3, 2025 | A00079 | $234.5K | IMPLEMENT CHANGES CL(214-2, 230, 232, 233-2, 235, 236) INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES AND 52.211-18 VEQ. TOTAL CONTRACT PRICE IS INCREASED BY $234,473.48 TO $313,464,894.38. THE CONTRACT COMPLETION DATE REMAINS UNCHANGED. |
| Dec 5, 2024 | A00078 | $17.2K | IMPLEMENT CHANGE CL186-2 INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES. TOTAL CONTRACT PRICE IS INCREASED BY $17,202.40 FROM $313,213,218.50 TO $313,230,420.90. THE CONTRACT COMPLETION DATE REMAINS UNCHANGED AT JANUARY 27, 2026. |
| Nov 27, 2024 | A00077 | $66.7K | IMPLEMENT MISC. CHANGES INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES. TOTAL CONTRACT PRICE IS INCREASED BY $66,734.84 FROM $313,146,483.66 TO $313,213,218.50. THE CONTRACT COMPLETION DATE REMAINS UNCHANGED AT JANUARY 27, 2026. |
| Nov 14, 2024 | P00025 | $1.5M | MODIFICATION TO IMPLEMENT CHANGES FOR CL231 VEQ REINFORCING STEEL AND REBAR PLACEMENT PURSUANT TO AUTHORITY OF FAR 52.211-18 VARIATION IN ESTIMATED QUANTITY. |
| Oct 10, 2024 | A00076 | $10.0K | IMPLEMENT CL233-1 INTO PURSUANT TO AUTHORITY OF FAR 52.243-4 CHANGES. TOTAL CONTRACT PRICE IS INCREASED BY $10,000.00 FROM $311,658,104.63 TO 311,668,104.63. THE CONTRACT COMPLETION DATE REMAINS AT JANUARY 27, 2026. |
Research next steps
- Check the stated set-aside against the solicitation and current certifications.
- Review the award scope and buyer evidence before making a bid/no-bid decision.