National Park Service Contracting Activity (Interior, Department Of The) · Solicitation 140P4226R0026

Z--ALPO STABILIZATION OF STAPLE BEND TUNNEL

Denver, CO Federal Posted Oct 5, 2026 Last verified Oct 6, 4:20 PM
Excavation & Grading

What this bid is

The National Park Service in Denver, Colorado is soliciting bids for stabilization work on the Staple Bend Tunnel, filed under excavation and grading. The solicitation is set aside for small business, and bids are due October 30, 2026 at 6:00 PM EDT. This notice gives no further detail on scope or size, so the full scope, drawings and submission instructions are on the SAM.gov notice, and the agency decides who is awarded the work.

Who should bid

Excavation & Grading contractors - the work is Denver, CO. The notice flags Small Business - confirm in the official notice whether that is a set-aside or a participation goal.

Deadline

30 October 2026, 6:00 PM EDT (last confirmed 6 Oct)

How to submit

On the agency's own system, not on BusyBids. Open the official notice · Bid documents

As the agency published it

National Park Service Contracting Activity (Interior, Department Of The) has posted a federal contract opportunity with work in Denver, CO.

Notice type: Solicitation. Solicitation number: 140P4226R0026. NAICS code: 237990.

Responses are due October 30, 2026 at 4:00 PM UTC-06:00.

Set-aside: Small Business Set Aside - Total.

The full scope, drawings, wage determinations and submission instructions are on the SAM.gov notice itself. Federal bidding also requires an active SAM.gov registration with a Unique Entity ID before you can be awarded work, so start that early if you do not already have one.

Reproduced from the official notice via SAM.gov Federal Opportunities. The agency's page is the one that counts.

Check before bidding

  • Only 3 days left to prepare a bid.

Taken from the notice as published. BusyBids does not assess whether you meet a requirement - confirm anything that matters with the issuing agency.

Important dates

Add all to calendar
EventDate and time
Bid deadlinelast confirmed 6 Oct 30 October 2026, 6:00 PM EDT check closed

Times are shown in the agency's own zone. Confirm every deadline against the official notice.

Bid documents

Downloaded from the agency, not from us - we link the package rather than hosting a copy, so you always get the current version.

Where this came from

Collected from SAM.gov Federal Opportunities, first seen 6 October 2026, last confirmed 6 October 2026.

The notice text above and every date and requirement are reproduced from the source. Confirm every deadline against the official notice before you bid.

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We reproduce what the agency published. If we got it wrong we want to know - a wrong deadline can cost you a bid.

Similar opportunities currently open

About National Park Service Contracting Activity (Interior, Department Of The)

BusyBids has tracked 5 notices from National Park Service Contracting Activity (Interior, Department Of The) since October 2026, 2 of them open now. The open work falls under Excavation & Grading, Plumbing, Site Utilities.

In the last 2 years Department of the Interior awarded 2213 contracts in the award data BusyBids holds, to 1414 firms, median $57,628. Firms that won more than once: KAIVA SERVICES, LLC (18), MARKS TRANSPORT SERVICES LLC (18), HDR ENGINEERING INC (15).

Every National Park Service Contracting Activity (Interior, Department Of The) bid BusyBids tracks

What Department of the Interior has paid for this work

12 Excavation & Grading contracts awarded in the last 2 years in this state, median $72,500.

  • HSG PARK JOINT VENTURE 3, LLC — $7.5M — 19 Oct 2026 — KNRI 257081 - KNIFE RIVER INDIAN VILLAGE NATIONAL HISTORIC SITE - ELBEE BEND BANK STABI...
  • TOTAL SOLUTION LLC — $159,250 — 22 Sep 2026 — NEWPORT OBSERVATORY RAM PUMP REPLACEMENT
  • PATE CONSTRUCTION CO., INC. — $37M — 17 Sep 2026 — EO 14398 ARKANSAS VALLEY CONDUIT - CROWLEY REACH 1

Past contracts at this buyer, from USASpending.gov. They say what it has paid and to whom; they say nothing about who will win this bid.

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