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Z--C&O CANAL NATIONAL HISTORICAL PARK - FY26 REPAIR I

Inactive on SAM.gov — responses were due 18 Sep 2026 · Small Business Set Aside - Total · National Park Service (NPS), DOI · NAICS 237990 · Solicitation 140P3026R0002

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A newer version of this notice has been posted. SAM.gov republished solicitation 140P3026R0002 on 15 September 2026. This page is kept because it is a real record, but the current requirement, dates and attachments are on the latest version. Read the latest version →

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SAM.gov marked this notice inactive — responses were due 18 September 2026.

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Solicitation details

Solicitation number140P3026R0002
Notice IDd6b4c89625f54757b60efe6018c68bb9
AgencyDepartment of the Interior (DOI)
Sub-agencyNational Park Service (NPS)
Contracting officeNCR REGIONAL CONTRACTING(30000)
NAICS code237990 — Other Heavy and Civil Engineering Construction
Product / service code (PSC)Z2KB
Set-asideSmall Business Set Aside - Total
Notice typeSolicitation
Posted10 September 2026
Response deadline18 September 2026 (closed)

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Description

Amendment P0001 is to revise solicitation and add additional attachments. See Amendment P0001 for further details. The Department of Interior, National Park Service, C&O Canal National Historical Park has a requirement for construction services for Repair to Inlet Lock 2 in Potomac, Maryland. Work consists of replacing deteriorated lock gates and miter sill and repairing stone masonry, remove sediment and debris around the gates and locks, repairs to the berms upstream of Violette's Lock (Lock 23). This is a solicitation for construction services prepared in accordance with FAR Part 15. This announcement constitutes as the only solicitation (140P3026R0002) for Repair to Inlet Lock 2 and is issued as a Request for Proposal on Standard Form (SF)1442. This requirement is a 100% total small business set-aside. The associated NAICS code is 237990 - Other Heavy and Civil Engineering Construction. The small business size standard is $45M. The solicitation incorporates provisions and clauses by reference. The full text of provisions and clauses may be accessed electronically at www.acquisition.gov The contract awarded as a result of this solicitation will be a firm-fixed price contract/award. The estimated magnitude of this requirement is between $500,000 and $1,000,000. Proposals are due September 18, 2026, at 12:00PM ED.

Version history

SAM.gov has posted 4 notices under solicitation 140P3026R0002, oldest first.

Documents in the solicitation package

13 files are attached to this notice.

  • Sol_140P3026R0002_Amd_0001.pdf
  • B09_Attachment_8_DOL_Wage_Determination_MD20260043_6-4-2026_0001.pdf
  • B09_Attachment_9_Q_A_0001.pdf
  • B09_Attachment_10_Inspection_Report_3100-036S1292_-_Violettes_Lock_Bridge__1_0001.pdf
  • B09_Attachment_11_Inspection_Report_3100-037S1107_-_Violettes_Lock_Bridge__2_0001.pdf
  • Sol_140P3026R0002.pdf
  • B08_Attachment_7_Daily_Report.pdf
  • B08_Attachment_4_Limitation_on_Subcontracting_Report_Template.xlsx
  • B08_Attachment_5_Price_Schedule.xlsx
  • B08_Attachment_6_CM16-Transmittal_Form.xls
  • B08_Attachment_2_Specifications.pdf
  • B08_Attachment_3_DOL_Wage_Determination_MD20260005_5-18-2026.pdf
  • B08_Attachment_1_Plans.pdf

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Market context: DOI and NAICS 237990

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

  • In fiscal year 2026, DOI obligated $312.8M across 91 contract actions under NAICS 237990.
  • 83 contracts worth $832.4M in this category end within the next 18 months.

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Other open solicitations in NAICS 237990

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