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Request for proposalsConstructionFederal buyer

Z--GOGA 336173 - Repair Conzelman Road

INTERIOR, DEPARTMENT OF THE, Colorado · NATIONAL PARK SERVICE · DSC CONTRACTING SERVICES DIVISION
Verified 20 h agoAmended Aug 31
Responses dueThu, Oct 292:00 PM MT · Colorado time22 days left
PostedMon, Aug 311 amendment, last Sep 9
Solicitation no.140P20-26-R-0106SAM.gov
Set-asideNoneOpen to all firms
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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 presolicitation is for a single prime contract, and the evaluation method is unknown at this stage.

Scope

  • Construct a new retaining wall with cast-in-place drilled concrete piles.
  • Install new guard rails and replace the road to match existing conditions.
Insurance requiredDays to respond: 22
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 13 stored documents below; 1 more open at the source
  2. Check the submission requirements in the compliance checklist
  3. Submit by unknown before 2:00 PM MT on Oct 29
Documents · 14 items, 14 filesDownload all (zip)
  • PDF
    B01_Synopsis_PreSolitNotice_Amendment_2.pdf206 KB · 2 pages
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  • PDF
    B01_Synopsis_PreSolitNotice_1.pdf206 KB · 2 pages
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  • PDF
    Sol_140P2026R0106.pdf1.1 MB · 71 pages
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  • PDF
    B08_Attach_7_WD_CA20260007_2_Sept_26.pdf2.6 MB · 69 pages
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  • PDF
    B08_Attach_1_GOGA_Conzelman_Road_Wall_-_Division_1_Specs_-_Final_CD_Submittal.pdf6.3 MB · 127 pages
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  • PDF
    B08_Attach_2_GOGA_Conzelman_Road_Wall_-_Division_2_Through_49_Specifications_-_Final_CD_Submittal.pdf5.7 MB · 39 pages
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  • PDF
    B08_Attach_3_Midwest_Guardrail_Specifications.pdf219 KB · 22 pages
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  • PDF
    B08_Attach_4_Drawings_GOGA_Conzelman_Road_Wall_-_Final_CD.pdf21.6 MB · 20 pages
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  • PDF
    B08_Attach_5_20230629-UG-CaliforniaST-75BridgeRail.pdf170 KB · 9 pages
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  • PDF
    B08_Attach_6_R1255074-Conzelman_Road_DD_Geotech_Report_-_signed.pdf32.9 MBToo large, open at source (32.9 MB)
    Source
  • DOCX
    B08_Attach_8_Project_Experience.docx44 KB
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  • PDF
    B08_Attach_11_Limitation_on_Sub.pdf92 KB · 1 page
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  • DOCX
    B08_Attach_9_PastPerf_Vol_I.docx46 KB
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  • PDF
    B08_Attach_10_Gen_Refs_Vol_II.pdf103 KB · 2 pages
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Open the original listing on SAM.gov

Details

Place of performance
Denver, Colorado
Buyer type
Federal
Notice type
Presolicitation
Solicitation no.
140P20-26-R-0106
Category
Construction
NAICS
NAICS 237310 (Highway, Street, and Bridge Construction)
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
Contract type
Firm-fixed-price from attachment p.3
Local presence
Not required
Amendments
1, last Sep 9
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, period of performance. Check the bid documents.

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

Key dates

Mon, Aug 31Posted
Not statedQuestions due
Thu, Oct 29 · 2:00 PM MTResponses due · 22 days left
Amendment 1
Wed, Sep 9

Change log

verified Tue, Oct 6 · 10:30 PM MT
  1. Posted · PresolicitationMon, Aug 31 · 9:22 AM MT
  2. Amendment · New version of the notice posted at the sourceWed, Sep 9 · 9:08 AM MT
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Notice as published

Z--GOGA 336173 - Repair Conzelman Road

GOGA 336173 - Repair Conzelman Road

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USAspending.gov, last 36 months

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  • Sep 23, 2026TERRA SITE CONSTRUCTORS LLCPRWI VISITOR ACCESS AT CARTERS POND140P2126C0014 · National Park Service · ends Apr 1, 2027$962K
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Awards updated Tue, Oct 6, 2026 · 5:04 AM MT.

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