Get alerts
Request for proposalsConstructionFederal buyer

GOGA 336173 - Repair Conzelman Road

Verified 15 h agoAmended Sep 21
Responses dueThu, Oct 292:00 PM MT · Colorado time21 days left
PostedWed, Sep 91 amendment, last Oct 6
Solicitation no.140P20-26-R-0106SAM.gov
Set-asideNoneOpen to all firms

What the agency is buying

by RFPFinder from the notice and attachments; the solicitation governs

The Department of the Interior, National Park Service, is seeking a contractor to repair Conzelman Road. This will be a single prime contract, and the work will be evaluated based on fair and reasonable pricing.

Scope

  • Construct a new retaining wall with cast-in-place drilled concrete piles and a grade beam.
  • Install new guard rails and replace the road to match existing conditions.
Insurance requiredDays to respond: 21
CompetitionLikely competitive

1 signal behind this label (incumbent, repeat winner, short window, brand-name or sole-source language, prior sources sought). Pro shows them with sources.

From USAspending awards and the notice text, recomputed nightly (Oct 7). A signal, not a verdict.

How to get the bid documents

  1. Download the 28 stored documents below; 2 more open at the source
  2. Check the submission requirements in the compliance checklist
  3. Submit as the notice directs before 2:00 PM MT on Oct 29
Documents · 30 items, 30 filesDownload all (zip) · Pro
  • PDF
    Sol_140P2026R0106.pdf1.1 MB · 71 pages
  • PDF
    B08_Attach_7_WD_CA20260007_2_Sept_26.pdf2.6 MB · 69 pages
  • PDF
    B08_Attach_1_GOGA_Conzelman_Road_Wall_-_Division_1_Specs_-_Final_CD_Submittal.pdf6.3 MB · 127 pages
  • PDF
    B08_Attach_2_GOGA_Conzelman_Road_Wall_-_Division_2_Through_49_Specifications_-_Final_CD_Submittal.pdf5.7 MB · 39 pages
  • PDF
    B08_Attach_3_Midwest_Guardrail_Specifications.pdf219 KB · 22 pages
  • PDF
    B08_Attach_4_Drawings_GOGA_Conzelman_Road_Wall_-_Final_CD.pdf21.6 MB · 20 pages
  • PDF
    B08_Attach_5_20230629-UG-CaliforniaST-75BridgeRail.pdf170 KB · 9 pages
  • PDF
    B08_Attach_6_R1255074-Conzelman_Road_DD_Geotech_Report_-_signed.pdf32.9 MBToo large, open at source (32.9 MB)
  • DOCX
    B08_Attach_8_Project_Experience.docx44 KB
  • PDF
    B08_Attach_11_Limitation_on_Sub.pdf92 KB · 1 page
  • DOCX
    B08_Attach_9_PastPerf_Vol_I.docx46 KB
  • PDF
    B08_Attach_10_Gen_Refs_Vol_II.pdf103 KB · 2 pages
  • PDF
    3442469a81664be8b533337455c07c41.pdf92 KB · 1 page
  • PDF
    5b5445654b4f45a584a8008edb5a153e.pdf109 KB · 9 pages
  • PDF
    67a9e5c3f9304841a891e49f9302943c.pdf6.3 MB · 127 pages
  • PDF
    6aa9fb530fa44c5fa09e115e3128540e.pdf135 KB · 5 pages
  • PDF
    6d86b5ff11ae442b8ea2a7b58ba581a1.pdf103 KB · 2 pages
  • PDF
    8c2924d1d28a4c4493f73702f2c9d716.pdf186 KB · 3 pages
  • DOCX
    a0737fc21fe646c8a2998664f7ce9bf4.docx44 KB
  • PDF
    aa2cbaaae40947c49619d40c2a7d7b91.pdf4.7 MB · 10 pages
  • PDF
    b99f24adba894e04a14f1bca664a4906.pdf2.6 MB · 69 pages
  • DOC
    downloadToo large, open at source
  • DOCX
    c2aaa59fcbd3463a978c979eb9d22429.docx46 KB
  • PDF
    c83f0ace1b474b4c823fdd65555c8717.pdf5.7 MB · 39 pages
  • PDF
    d0a72e5fb1ee424fa4767269cd0aa3bf.pdf20 KB · 1 page
  • PDF
    dcf8ecb4c0ec42589456b05b19283f86.pdf170 KB · 9 pages
  • PDF
    ea78585f96ac451f85c9f6a239784db6.pdf1.1 MB · 71 pages
  • PDF
    ed6d91bbcb8949b7a4687f9db46abe2e.pdf219 KB · 22 pages
  • PDF
    ee62707b12384c7f96d44fd1ab7eb6f2.pdf21.6 MB · 20 pages
  • PDF
    f9151a37365d4e2e9a71079f92eba3b4.pdf256 KB · 22 pages
Open the original listing on SAM.gov

Details

Place of performance
Denver, Colorado
Buyer type
Federal
Notice type
Solicitation
Solicitation no.
140P20-26-R-0106
Category
Construction
NAICS
NAICS 237310 (Highway, Street, and Bridge Construction): 290 open RFPs
Size standard
$45M revenue SBA table, NAICS 237310
PSC
PSC Z1LB (MAINTENANCE OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS): 6 open RFPs
Delivery location
Conzelman Road from attachment p.3
Local presence
Not required
Amendments
1, last Oct 6
Contact
Murphy, Shellie
Office
NATIONAL PARK SERVICE · DSC CONTRACTING SERVICES DIVISION
Email
shellie_murphy@nps.gov
Phone
7206102690

Not stated in the notice: estimated value, contract type, period of performance. Check the bid documents.

Contact details from the source notice. Contact the buyer only about this solicitation.

Key dates

Wed, Sep 9Posted
Not statedQuestions due
Thu, Oct 29 · 2:00 PM MTResponses due · 21 days left
Amendment 1
Tue, Oct 6

Change log

verified Wed, Oct 7 · 10:30 PM MT
  1. Posted · SolicitationWed, Sep 9 · 1:08 PM MT
  2. Amendment · New version of the notice posted at the sourceTue, Oct 6 · 6:00 PM MT
Report a problem

Notice as published

GOGA 336173 - Repair Conzelman Road

GOGA 336173 - Repair Conzelman Road

Similar National Park Service awards · PSC Z1LB

USAspending.gov, last 36 months

25 awards matched · tier 2: National Park Service + PSC Z1LB; nothing from this office. Most recent:

  • Sep 23, 2026TERRA SITE CONSTRUCTORS LLCPRWI VISITOR ACCESS AT CARTERS POND140P2126C0014 · National Park Service · ends Apr 1, 2027$962K
Pro

Pro shows every award with the recipient, amount, period and a link to the award record, plus a CSV export. $39/mo.

Sign in or upgrade

Awards updated Thu, Oct 8, 2026 · 12:26 PM MT.

This contracting office

21 other open notices from this office · buys mostly Construction, Other

Related notices

Similar open RFPs

same PSC Z1LB

Listing collected from SAM.gov. Always confirm requirements in the original solicitation before you bid.

Alert meView on SAM.gov