Triadelphia - B9 Piping Project

Inactive on SAM.gov — responses were due 8 Sep 2026 · Small Business Set Aside - Total · Office of the Assistant Secretary for Administration and Management, DOL · Triadelphia, WV · NAICS 236220 · Solicitation 1605C4-26-R-00033

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What happened next

SAM.gov marked this notice inactive — responses were due 08 September 2026.

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Solicitation details

Solicitation number	1605C4-26-R-00033
Notice ID	cccf18ff11f54cb78fd87a5c4d4f860b
Agency	Department of Labor (DOL)
Sub-agency	Office of the Assistant Secretary for Administration and Management
Contracting office	DOL - CAS DIVISION 4 PROCUREMENT
NAICS code	236220 — Commercial and Institutional Building Construction
Product / service code (PSC)	K056
Set-aside	Small Business Set Aside - Total
Notice type	Solicitation
Posted	28 August 2026
Response deadline	08 September 2026 (closed)
Place of performance	Triadelphia, WV, USA

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Description

Contractor will provide all personnel, equipment, tools, materials, supervision, and other items and non-personal services necessary to demolish/dispose of and install new piping (ducting) in Building 9 ventilation system at MSHA Approval and Certification Center.

Version history

SAM.gov has posted 2 notices under solicitation 1605C4-26-R-00033, oldest first.

28 August 2026 — Solicitation (this page)
02 September 2026 — Solicitation (latest)

Documents in the solicitation package

2 files are attached to this notice.

A19-1605C4-26-R-00033 PWS Attachment.pdf
A19-1605C4-26-R-00033 Sol.pdf

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Market context: DOL and NAICS 236220

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In fiscal year 2026, DOL obligated $23.5M across 12 contract actions under NAICS 236220.
11 contracts worth $64.2M in this category end within the next 18 months.

DOL contracts under NAICS 236220 →

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