89303921FEM400037↗
Central Plateau Cleanup Company, LLC received this contract from Hanford Field Office, Department of Energy: $1.08B obligated so far for maintenance of waste treatment and storage facilities. Its period of performance ended 2024-09-30.
Key facts · data as of Oct 26, 2026
- Recipient
- Central Plateau Cleanup Company, LLC
- Awarding agency
- Department of Energy
- Contracting office
- Hanford Field Office (893039)
- Obligated to date
- $1.08B
- Potential value
- $1.73B
- Ends
- 2024-09-30
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 26, 2026.
Cite this page: SpendQuery, Award 89303921FEM400037, data as of Oct 26, 2026, https://spendquery.com/award?id=CONT_AWD_89303921FEM400037_8900_89303320DEM000030_8900
Central Plateau Cleanup Company, LLC: all federal awards · Department of Energy: spending · Hanford Field Office: what it buys
HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THIS TASK ORDER IS ISSUED AS AN UNDEFINITIZED TASK ORDER PURSUANT TO CLAUSE H.49, TASK ORDERING PROCEDURE. NOTICE-TO-PROCEED SHALL BE EFFECTIVE ON OCTOBER 1, 2021.
Obligated to date$1.08B78 actions
Current value$1.73Bwith options exercised
Period2021-08-16 → 2024-09-30current end date
What it is
- Product or service
- Maintenance of Waste Treatment and Storage Facilities (PSC Z1PD)
- Industry
- Remediation Services (NAICS 562910)
- Contracting office
- Hanford Field Office (893039)
- Competition
- Full and open competition
- Pricing
- Cost plus incentive fee
- How it was bought
- Single-award IDIQ · under 89303320DEM000030
- Solicitation
- 89303318REM000008
- Where the work is
- Benton, WA · district WA-04
Obligations by fiscal year
FY2023$606.54M
FY2024$494.62M
FY2025-$22.62M
FY2026-$141.1K
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
Subcontractors: where the money went next
No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.
Every action
78 actions since 2022-10-14. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-07-29 | P00103 | Administrative change | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE PROGRAM OFFICIAL FROM HEATHER DALE TO SCOTT GREEN. |
| 2026-05-13 | P00102 | Administrative change | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO UPDATE SECTION B, SUPPLIES OR SERVICES AND PRICES/COSTS. |
| 2026-04-02 | P00101 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE CP-04-003, DUPLICATE SCOPE DEDUCT PROPOSAL AND CP-04-004, UNNECESSARY SCOPE DEDUCT PROPOSAL. |
| 2026-04-02 | P00100 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE CP-04-001, CARRYOVER SCOPE DEDUCT PROPOSAL. |
| 2026-03-31 | P00099 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE CP-04-002, DUPLICATE ADDITIONAL SCOPE DEDUCT PROPOSAL. |
| 2026-03-25 | P00098 | Funding only | $370.0K | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE INCREMENTAL FUNDING IN THE AMOUNT OF $370,000.00 TO TO-04, END STATES AND BASE OPS. |
| 2026-03-10 | P00097 | Funding only | -$511.1K | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE INCREMENTAL FUNDING IN THE AMOUNT OF ($511,069.31) FROM TO-04, END STATES AND BASE OPS. |
| 2025-09-25 | P00096 | Funding only | $1.44M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $1,442,000.00 IN INCREMENTAL FUNDING (REQ 25EM002115) FOR PRIOR YEAR FUNDS RE-BUCKET. |
| 2025-09-19 | P00095 | Funding only | -$10.94M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE INCREMENTAL FUNDING IN THE AMOUNT OF ($10,614,750.00) (REQ 25EM002102) FROM TO-04, END STATES AND BASE OPS, TO MOVE TO TO-07 END STATES AND BASE OP |
| 2025-09-19 | P00094 | Funding only | -$913.3K | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE INCREMENTAL FUNDING IN THE AMOUNT OF ($913,250.00) (REQ 25EM002007) FROM TO-04, END STATES AND BASE OPS, TO MOVE TO TO-07 END STATES AND BASE OPERA |
| 2025-06-12 | P00093 | Funding only | -$12.21M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE VALUE AND FUNDING IN THE AMOUNT OF ($12,208,901.59) FROM THE PERSONAL TIME BANK (PTB) AND SICK LEAVE LIABILITY SCOPE, TO MOVE TO TO-07 END STATES A |
| 2025-04-03 | P00092 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. DEFINITIZE CP-22-002 (NAVY RF2094 AND RF2095), CP-23-007 (NAVY RF2099), CP-24-003 (NAVY RF2100 FY 2024 INCURRED COSTS ONLY), CP-24-004 (METAL PALLET REPLACEMENT), AND THE REA FOR TRENCHES 31/34 SHO |
| 2025-02-19 | P00091 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. DEFINITIZE CP-24-001A SOIL AND GROUNDWATER ADDITIONAL TASK ORDER 4 SCOPE PROPOSAL SUBMITTED BY CPCCO VIA LETTER CPCC-2306372A R1, DATED JANUARY 24, 2024. |
| 2025-02-12 | P00090 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. DEFINITIZE PROPOSAL CP-23-012 FOR MANAGEMENT OF THE HANFORD SITE RCRA REVISION 9 PERMIT PUBLIC COMMENT REVIEW. |
| 2025-01-21 | P00089 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE TWO U.S. NAVY REQUEST FOR SERVICES SCOPES (RF2097 AND RF2098) IN ADDITION TO DEFINITIZING THE 324 BLDG. DIFFERING SITE CONDITION. |
| 2025-01-13 | P00088 | Supplemental agreement (work within scope) | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO REVISE END STATES LANGUAGE IN TASK ORDER 4 SECTION C, PERFORMANCE WORK STATEMENT. |
| 2024-11-25 | P00087 | Supplemental agreement (work within scope) | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO REMOVE THE SCOPE ASSOCIATED WITH RF2111, SUPPORT OF EVALUATION OF ALTERNATIVES FOR DISPOSITION OF SIMULATE GLASS LOGS (GERMAN LOGS), FROM THE COST-PLUS-INC |
| 2024-10-24 | P00086 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE CP-23-005, DIFFERING SITE CONDITION (DSC) FOR WASTE SITE 130-KE-02 IN THE 100K AREA AND CP-23-011, BRUGGEMANN WAREHOUSE STABILIZATION PHASE 1. |
| 2024-09-26 | P00085 | Funding only | $6.00M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $6,000,000.00 IN INCREMENTAL FUNDING (REQ 24EM002325) FOR UNINTERRUPTED SUPPORT THROUGH 09/30/2024. |
| 2024-09-23 | P00084 | Funding only | $3.33M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $3,334,066.19 IN INCREMENTAL FUNDING (REQ 24EM002283) FOR UNINTERRUPTED SUPPORT THROUGH 09/30/2024. THIS MODIFICATION ALSO ADDS $81,272.87 IN FUNDIN |
| 2024-09-19 | P00083 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE CP-23-013 BUY BACK LIST PROPOSAL SUBMITTED BY CPCCO VIA LETTER CPCC-2304717 R1, DATED OCTOBER 11, 2023. |
| 2024-08-27 | P00082 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ISSUE A NOT-TO-EXCEED INCREASE FOR THE SOIL AND GROUNDWATER ADDITIONAL TASK ORDER 4 SCOPE IN THE AMOUNT OF $4,000,000.00, FOR A TOTAL NTE OF $8,500,000.00. |
| 2024-08-08 | P00081 | Funding only | $44.36M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $44,285,000.00 IN INCREMENTAL FUNDING (REQ 24EM001850) FOR CENTRAL PLATEAU THROUGH 09/26/2024 AND RIVER CORRIDOR THROUGH 09/29/2024. THIS MODIFICATI |
| 2024-08-06 | P00080 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE CHANGE PROPOSALS CP-21-002 (CERCLA STUDY) AND CP-22-001 (NAVY FY 2022 LOE) AND UPDATE SECTION B. |
| 2024-08-02 | P00079 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ISSUE CENTRAL PLATEAU CLEANUP COMPANY, LLC (CPCCO) AN INCREASE TO THE CURRENT NOT-TO EXCEED (NTE) TO CONTINUE PERFORMANCE OF THE PFD BUY BACK LIST SCOPE. |
| 2024-07-11 | P00078 | Supplemental agreement (work within scope) | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO REVISE END STATES LANGUAGE IN TASK ORDER 4 SECTION C, PERFORMANCE WORK STATEMENT. |
| 2024-06-26 | P00077 | Funding only | $45.82M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $45,824,149.23 IN INCREMENTAL FUNDING (REQ 24EM001623) FOR CENTRAL PLATEAU THROUGH 07/25/2024 AND RIVER CORRIDOR THROUGH 08/12/2024. THIS MODIFICATI |
| 2024-06-14 | P00075 | Change order | $0 | THE PURPOSE OF THIS MODIFICATION IS TO REVISE TASK ORDER 4 SECTION C, PERFORMANCE WORK STATEMENT, TABLE C-2E-1 FACILITY/WASTE SITE SAFE AND COMPLIANT BASE OPERATIONS, SUBTASK TO-04E-1(4). |
| 2024-06-06 | P00076 | Funding only | $48.30M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $47,898,400.00 IN INCREMENTAL FUNDING (REQ 24EM001401) FOR CENTRAL PLATEAU THOUGH 07/03/2024 AND RIVER CORRIDOR THROUGH 07/30/2024. THIS MODIFICATIO |
| 2024-06-04 | P00074 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE THE CHANGE MODIFICATION TO ADDRESS THE CROSS-CONNECTION NON-COMPLIANCE AT THE WASTE ENCAPSULATION AND STORAGE FACILITY. |
| 2024-05-13 | P00073 | Change order | $141.1K | THE PURPOSE OF THIS MODIFICATION IS TO FORMALIZE AN INCREASE TO THE NOT-TO-EXCEED AMOUNT AND ADD INCREMENTAL FUNDS FOR BRUGGEMANN WAREHOUSE SCOPE OF WORK TO CONTINUE UNTIL THE CHANGE ORDER IS NEGOTIATED AND DEFINITIZED ONTO THE TASK ORDER. |
| 2024-05-08 | P00072 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO INCREASE THE NOT-TO-EXCEED AMOUNT FOR 130-KE-2 SCOPE OF WORK TO CONTINUE UNTIL THE CHANGE ORDER IS NEGOTIATED AND DEFINITIZED ONTO THE TASK ORDER. |
| 2024-05-07 | P00071 | Funding only | $39.66M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. CPCC TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $39,662,574.76 IN INCREMENTAL FUNDING (REQ 24EM001267) FOR CENTRAL PLATEAU THROUGH 05/16/2024 AND RIVER |
| 2024-04-25 | P00070 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. CPCC TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE PROPOSAL NUMBER CP-21-003, RECEIVING NAVY REACTOR COMPARTMENTS AT HANFORD CY 2021 SHIPMENTS 1 AN |
| 2024-04-16 | P00069 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE THE CP-22-003 TRANSFER OF FUEL FROM 200 WEST LOW-LEVEL BURIAL GROUNDS TO THE INTERIM STORAGE AREA AND WASTE PROJECTS AND OPERATIONS DELETED WOR |
| 2024-04-02 | P00068 | Change order definitized | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE CP-22-009 CAPSULE STORAGE AREA SCOPE DEDUCT PROPOSAL SUBMITTED BY CPCCO VIA LETTER CPCC-2303972A R1, DATED SEPTEMBER 7, 2023. |
| 2024-03-29 | P00067 | Funding only | $57.85M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $57,854,116.90 IN INCREMENTAL FUNDING (REQ 24EM001044) FOR CENTRAL PLATEAU THROUGH 05/02/2024 AND RIVER CORRIDOR THROUGH 05/28/2024. |
| 2024-03-07 | P00066 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE A NOT-TO-EXCEED AND NOTICE TO PROCEED FOR THE CWC METAL PALLET REPLACEMENT OF $540K. |
| 2024-02-27 | P00065 | Funding only | $54 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $54.00 IN INCREMENTAL FUNDING (REQ 24EM000847) FOR THE RIVER CORRIDOR. |
| 2024-02-22 | P00064 | Funding only | $62.97M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $62,973,903.07 IN INCREMENTAL FUNDING (REQ 24EM000785) THROUGH 03.31.2024. |
| 2024-02-22 | P00063 | Funding only | $97.1K | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE A NOT-TO-EXCEED VALUE OF $97,087.38 FOR TASK ORDER 4 FOR THE PUGET SOUND NAVAL SHIPYARD (PSNS) CP-24-003 WORK, UNDER CLAUSE B.10. REQUISITION 24EM |
| 2024-02-15 | P00061 | Supplemental agreement (work within scope) | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO INCREASE THE NOT-TO-EXCEED VALUE BY $300,000.00 FOR MANAGEMENT OF RCRA REV 9 PERMIT RENEWAL. |
| 2024-02-14 | P00062 | Supplemental agreement (work within scope) | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO INCREASE THE NOT-TO-EXCEED FOR THE 324 BUILDING DIFFERING SITE CONDITION FROM $6.7M TO $$17.575M. |
| 2024-01-18 | P00060 | Funding only | $4.29M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $4,288,649.21 IN INCREMENTAL FUNDING (REQ 24EM000605) FOR CENTRAL PLATEAU THROUGH 02.29.2024 AND RIVER CORRIDOR THROUGH 04.18.2024. |
| 2024-01-17 | P00059 | Supplemental agreement (work within scope) | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO MOVE $1,058,521.52 IN PTB FUNDING FROM CLIN 1 TO CLIN 4. THIS MODIFICATION ALSO ADDS $1,058,521.52 IN VALUE TO CLIN 4 THAT WAS INADVERTENTLY LEFT OFF IN M |
| 2023-12-20 | P00058 | Funding only | $102.77M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $102,770,000.00 IN INCREMENTAL FUNDING (REQ 24EM000481) FOR CENTRAL PLATEAU THROUGH 02.15.2024 AND RIVER CORRIDOR THROUGH 03.21.2024. |
| 2023-12-12 | P00057 | Funding only | $400.0K | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $400,000.00 IN WESF FUNDING (REQ 24EM000356), PROVIDE A NET-ZERO FUNDING MOVE FROM RL-0040 OPEX TO REDOX CENTRC (REQ 24EM000356), AND A NET-ZERO FUNDI |
| 2023-11-14 | P00056 | Funding only | $78.62M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $78,619,879.60 IN INCREMENTAL FUNDING (REQ 24EM000195) FOR CENTRAL PLATEAU THROUGH 12.14.2023 AND RIVER CORRIDOR THROUGH 01.31.2024. |
| 2023-10-31 | P00054 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO INCREASE THE NOT-TO-EXCEED (NTE) VALUE BY $3.5M FOR THE 130-KTE-2 SCOPE ISSUED VIA EMAIL ON SEPTEMBER 20, 2023. |
| 2023-10-19 | P00055 | Supplemental agreement (work within scope) | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO REQUEST A COST AND TECHNICAL PROPOSAL FOR S&G ADDITIONAL TO-04 SCOPE, ISSUE NTP AND NTE. |
| 2023-09-28 | P00053 | Funding only | $3.14M | HANFORD CPCC TASK ORDER 4-END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO OBLIGATE INCREMENTAL FUNDS AND REVISE TO-04 SECTION B. |
| 2023-09-27 | P00052 | Change order | $200.0K | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MOD IS TO ISSUE A NOT-TO-EXCEED VALUE OF $200K, PROVIDE NOTICE TO PROCEED, AND OBLIGATE FUNDS FOR BRUGGEMANN WAREHOUSE PHASE 1. |
| 2023-09-27 | P00048 | Administrative change | $0 | HANFORD CPCC TASK ORDER 4-END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO IS TO REVISE SECTION C.2, TABLE C-2E-4, WASTE SITE REMEDIATION WILL REVISE END STATE 5)B. LOADOUT SEQUENCING, AND 5)C. REMEDIATE/BACKFILL SEQUENCING. |
| 2023-09-19 | P00051 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE A NOT-TO-EXCEED FOR THE HANFORD FACILITY RESOURCE CONSERVATION AND RECOVERY ACT (RCRA) RENEWAL PERMIT REV. 9 OF $500,000. |
| 2023-09-12 | P00050 | Funding only | $55.86M | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO UPDATE SECTION B AND OBLIGATE INCREMENTAL FUNDS. |
| 2023-09-11 | P00049 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO REQUEST A COST AND TECHNICAL PROPOSAL FOR ADDITIONAL TO-04 COPE, ISSUE NOTICE TO PROCEED AND NOTICE TO PROCEED. |
| 2023-08-28 | P00047 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE A NOT-TO-EXCEED FOR THE 324 BUILDING DIFFERING SITE CONDITION OF $6.7M. |
| 2023-08-24 | P00044 | Change order | $0 | HANFORD CPCC TASK ORDER 4-END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ISSUE AN NTE VALUE OF $500,000 TO TASK ORDER 4 FOR CPCCO TO COMMENCE WORK OF THE WASTE ENCAPSULATION AND STORAGE FACILITY CROSS CONNECT SCOPE DETAILED IN THE |
| 2023-08-21 | P00045 | Change order | $0 | HANFORD CPCC TASK ORDER 4 END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO INCREASE THE NOT-TO-EXCEED FOR 130-KE-2 WASTE SITE SCOPE OF WORK BY $1.5M OR NEW NTE OF $4.5M. |
| 2023-08-17 | P00046 | Funding only | $10.00M | HANFORD CPCC TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $10,505,726.29 OF INCREMENTAL FUNDING. |
| 2023-07-24 | P00043 | Funding only | $121.52M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $121,520,000.00 IN INCREMENTAL FUNDING (REQ 23EM001789) THROUGH 09.15.2023. |
| 2023-07-19 | P00042 | Administrative change | $0 | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO CREATE NEW LINE ITEMS AND MOVES THE VALUE AND FUNDING IN STRIPES. |
| 2023-07-10 | P00041 | Change order definitized | $0 | CPCC TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE B REACTOR PRESERVATION PHASE 1 AND UPDATE SECTION B OF THE TASK ORDER. |
| 2023-07-05 | P00040 | Administrative change | $0 | CPCC TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION P00040 IS TO REVISE SECTION C.2, TABLE C-2B-3, RCRA/CERCLA DECISION DOCUMENTS, END STATE 6, COMPLETE THE RI/FS WP DRAFT A FOR 200-EA-1. THIS MODIFICATION CORRECTS TASK |
| 2023-06-12 | P00039 | Funding only | $295.2K | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ISSUE A NOT-TO-EXCEED VALUE OF $295,233.47 FOR TASK ORDER 4 FOR THE PUGET SOUND NAVEL SHIPYARD (PSNS) RF2098 AND RF2099 WOR |
| 2023-05-26 | P00038 | Change order definitized | $0 | CPCC TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEFINITIZE MAPR FY2023 AND FY2024 AND 2701 HV ROOF REPAIR CHANGE ORDERS AND UPDATE SECTION B. |
| 2023-04-18 | P00037 | Funding only | $150.00M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $150,000,000.00 IN INCREMENTAL FUNDING (REQ 23EM001237) THROUGH 07.10.2023. |
| 2023-04-12 | P00036 | Supplemental agreement (work within scope) | $0 | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE A NOT-TO-EXCEED VALUE OF $3,000,000.00 FOR TASK ORDER 4 FOR THE 130-KE-2 100 AREA DIFFERING SITE CONDITION, UNDER |
| 2023-03-30 | P00035 | Funding only | $97.1K | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE A NOT-TO-EXCEED VALUE OF $97,087.38 FOR TASK ORDER 4 FOR THE PUGET SOUND NAVAL SHIPYARD (PSNS) RF2097 WORK, UNDER |
| 2023-03-27 | P00034 | Funding only | $48.00M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $47,998,942.87 IN INCREMENTAL FUNDING (REQ 23EM001063) THROUGH 04.26.2023. |
| 2023-03-24 | P00033 | Funding only | $1.00M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS UPDATING TASK ORDER 4 SECTION B TO ISSUE A NOT-TO-EXCEED IN THE AMOUNT OF $1M AND ADD INCREMENTAL FUNDING FOR THE B REACTOR PRESE |
| 2023-02-21 | P00032 | Funding only | $53.28M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $53,278,568.00 IN INCREMENTAL FUNDING (REQ 23EM000794) THROUGH 03.27.2023. |
| 2023-01-25 | P00031 | Funding only | $63.52M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD $63,515,000.00 IN INCREMENTAL FUNDING (REQ 23EM000576) THROUGH 02.28.2023. |
| 2022-12-15 | P00030 | Funding only | $13.49M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO REOBLIGATE $2,100,000.00 IN PTB LEGACY FUNDING (REQ 23EM000465) DEOBLIGATED IN MODIFICATION P00029,AND ADDS $13,491,529.30 |
| 2022-12-15 | P00029 | Funding only | -$2.10M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE $2,100,000.00 AND THEREBY MOVES FUNDING FROM FY23 OPERATING TO FY23 PTB TO FACILITATE A DEOBLIGATION OF FY21 FU |
| 2022-12-14 | P00028 | Administrative change | $0 | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO UPDATE SECTION B.10, TABLE B.3. AND INCREASE CONTRACT VALUE BY $954,568.92, TO REFLECT LEGACY LEAVE FUNDING ADDITION MADE |
| 2022-10-26 | P00027 | Funding only | $88.24M | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO ADD INCREMENTAL FUNDING AND ADDS CLARIFICATION VERBIAGE REGARDING TASK ORDER 4 VALUE. |
| 2022-10-14 | P00026 | Administrative change | $0 | HANFORD CENTRAL PLATEAU CLEANUP CONTRACT - TASK ORDER 4 - END STATES & BASE OPS. THE PURPOSE OF THIS MODIFICATION IS TO INCREASE THE NOT-TO-EXCEED VALUE (NTE) OF THE TRANSFER OF FUEL FROM THE 200W BURIAL LOW-LEVEL GROUNDS TO INTERIM STORAGE A |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-26). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗