Solicitation
DENA 332037 Eielson Roof Replacement
Department of the Interior · National Park Service · Sol. 140P2026R0087
Due in 10 daysSmall business
Track this notice by email. We'll email you if it's amended or awarded, and a week and two days before responses are due.
AI summary Beta
Some details weren't available to this summary, so it may miss requirements. Check the attachments on SAM.gov.
The National Park Service (Denver Service Center) wants a small business general contractor to replace the leaking vegetated ("living") roofs on the Eielson Visitor Center and its utility building in Denali National Park, Alaska, and do related interior repairs and upgrades. The solicitation is a total small business set-aside with an estimated price of $5M to $10M. Offers are due October 20, 2026 by email, and the award is a best-value decision where non-price factors outweigh price.
Watch out for
- Extremely remote Alaska site. Mobilizing crews, materials and equipment far from Anchorage over a restricted park road, with limited staging and a short building season, drives cost and schedule risk for a small firm.
approximately 240 miles northeast of Anchorage
- Bid bond and bonding capacity needed. A $5M to $10M job needs a bid bond with the offer and, if awarded, performance and payment bonds, which requires strong surety backing.
Submit Standard Form 24, Bid Bond duly executed between the Offeror and the bonding company.
- Heavy proposal with five scored technical factors. You must write experience, technical, management, schedule and past performance volumes plus letters of commitment from subs, which is a lot of work, and non-price factors outweigh price.
Provide signed letters of commitment from key subcontractors and Key Trades identifying their intended role,
- Remote-site and specialty experience is weighted. Past performance and project experience are rated higher for remote sites, vegetated/overburden roofs and national park work, so firms without that history are rated less favorably.
Submit past performance information on projects of similar, size scope and magnitude.
- Liquidated damages of $1,634 per day. Finishing late costs $1,634 for every calendar day, which is a real risk given weather and access limits.
in the amount of $1, 634 for each calendar day of delay
- Key trades and key personnel are locked in. Named roofing, living-roof, waterproofing, mechanical and electrical firms are permanent and can only be swapped with the contracting officer's approval, so you need them committed before you bid.
The Contractor shall identify firms that will perform the following KEY TRADES under this contract.
- Question deadline already passed. Pre-proposal questions closed September 8, 2026, so any gaps in the documents must be resolved from the amendments and Q&A files.
Pre-proposal questions shall be submitted by September 8,2026, 11:00 AM MT.
- Unclear performance period and 10 amendments. The Section H start/completion wording is garbled and the line items show a July 2026 to March 2027 period that does not match 442 days; the deadline has moved from 9/15 to 10/15 to 10/20, so confirm the schedule with the contracting officer.
The Contractor shall be required to (a) commence work under this contract within 442 calendar days after the date of
- Email-only submission with size limits. A late or oversized email can disqualify you, so split large files and confirm receipt.
Proposals shall be submitted via email. Proposals submitted via any means other than email shall not be accepted.
Read from the notice and 12 attachments. 36 not read in full.
- B08_FINAL_Solicitation_updated_7_31_26.pdf
- Sol_140P2026R0087_Amd_0010.pdf
- Sol_140P2026R0087_Amd_0009.pdf
- Sol_140P2026R0087_Amd_0008.pdf
- Sol_140P2026R0087_Amd_0007.pdf
- Sol_140P2026R0087_Amd_0006.pdf
- Sol_140P2026R0087_Amd_0005.pdf
- Sol_140P2026R0087_Amd_0004.pdf
- Sol_140P2026R0087_Amd_0003.pdf
- Sol_140P2026R0087_Amd_0002.pdf
- Sol_140P2026R0087_Amd_0001.pdf
- Sol_140P2026R0087.pdf
- 06_Specification_Index_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 31_Finalized_Q___A_for_DENA_Amendment_0009_0009.pdf: over the file limit for one brief
- 29_Amendment_Summary_0008_0008.pdf: over the file limit for one brief
- 27_Finalized_Q___A_for_DENA_Amendment_0005_0007.pdf: over the file limit for one brief
- D01_Amendment_0006_DENA_Roof_and_Interior_Repair_0006.pdf: over the file limit for one brief
- 21_DENA_332037_-_EVC_Rehabilitation_Amendment_0004_0004.pdf: over the file limit for one brief
- 22_DENA_332037_Q_A_9_18_26_Amend_0004_0004.xlsx: spreadsheet: not read yet
- 07_01_26_01_Contract_Modification_Procedures_Pg_7_Amendment_0003_0003.pdf: over the file limit for one brief
- 08_01_27_00_Definition_of_Contract_Line_Items_Amendment_0003_0003.pdf: over the file limit for one brief
- 10_02_85_00_Microbial_Remediation_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 11_05_50_00_Metal_Fabrications_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 12_07_52_16_SBS_Modified_Bituminous_Membrane_Roofing_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 13_12_36_00_Countertops_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 14_21_13_00_Fire_Suppression_Sprinkler_System_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 15_26_30_00_Facility_Electrical_Power_Generating__-_Amendment_0003_0003.pdf: over the file limit for one brief
- 16_31_20_00_Earth_Moving_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 17_32_96_13_Groundwater_Transplanting_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 18_Contract_Price_Schedule_(Fields_Blank)_Amendment_0003_0003.xlsx: spreadsheet: not read yet
- 19_DENA_332037_-_EVC_Rehabilitation_Addendum_01_-_Amendment_0003_0003.pdf: over the file limit for one brief
- 20_Eielson_Visitor_Center_-_Fire_Sprinkler_As-Builts_-_Amendment_0003_0003.pdf: over the file limit for one brief
- Amendment_0002_0002.pdf: over the file limit for one brief
- DENA_332037_Final_Construction_Documents_Amendment_1_0001.pdf: over the file limit for one brief
- Amendment_1_DENA_332037_0001.pdf: over the file limit for one brief
- 30_01_50_00_Temporary_Facilities_and_Controls_0008_0008.pdf: over the file limit for one brief
- 28_DENA_332037_EVC_Rehabilitation_Addendum_2R1_0007.pdf: over the file limit for one brief
- 25_DENA_332037_-_Pictures_0007.pdf: over the file limit for one brief
- 09_02_41_19_Selective_Demolition_Pg_1-3_Amednment_0003_0003.pdf: over the file limit for one brief
- 1-55.pdf: over the file limit for one brief
- 01_DENA_332037_Final_Construction_Documents_07-20-2026.pdf: over the file limit for one brief
- 05__Subcontracting_Percentage_Worksheet.pdf: over the file limit for one brief
- 26_DENA_332037_Submittal_List_2026-07-20_R1_0007.pdf: over the file limit for one brief
- 23_Q_A_6_Submittal_List_2026-07-20_Amendment_0004_0004.xlsx: spreadsheet: not read yet
- DENA_332037_As_Built_Drawings_0001.pdf: over the file limit for one brief
- Drawings_56-99.pdf: over the file limit for one brief
- 03__Final__Submittal_List_2026-06-12.xlsx: spreadsheet: not read yet
- 04_WD_AK20260001_May_17_2026.pdf: over the file limit for one brief
Full brief
What they want
- Replace the failed vegetated roof systems on the Eielson Visitor Center main building and the utility building
- New lighting, and fixes to stop wind-driven snow from entering the roof/wall assembly
- Exterior door adjustments, heating modifications and a new exterior patio
- Hydroelectric power system interconnection and reliability upgrades
- Repair interior water damage (amendment 3 added mold/microbial remediation)
- Demolition of select architectural, structural, mechanical and electrical parts, old stairs and skylights
- Site drainage improvements, accessibility upgrades and updates to meet the 2024 International Code Council codes
- Work in a remote, off-grid national park site with limited access and staging areas
- Contract type
- Firm-fixed-price construction contract, awarded through a negotiated RFP (best-value tradeoff). Six lump-sum line items.
- Period of performance
- 442 calendar days appears to be the performance period (SF 1442 and Section H, Special Requirement 1). The Section H wording is garbled and the SF 1442 appears to also say work starts within 10 days of notice to proceed; confirm with the contracting officer.
- Place of performance
- Eielson Visitor Center, Denali National Park and Preserve, Alaska, about 66 miles west of the park entrance on the Denali Park Road and about 240 miles northeast of Anchorage
- Estimated value
- Estimated price range of $5M to $10M
- How they'll choose
- Best-value tradeoff (FAR Part 15) with a technical evaluation panel. Five non-price factors of about equal importance, which combined are significantly more important than price. Price is checked for fairness, reasonableness and unbalanced line items.
- Offers due
- October 20, 2026, 5:00 PM (UTC-06:00 per SAM.gov; extended by Amendment 0010)
- How to submit
- Email only, to the Contracting Officer, the Contract Specialist and CS_DSC_Proposal_Submission@nps.gov, with subject line "DENA 332037, 140P2026R0087, email X of X"
- Page limits
- Not stated in the text read. Factors 2 and 3 mention a page limitation, but no number appears.
What they'll judge offers on
- Factor 1: Project Experience (up to 5 relevant projects in the past 10 years, key trades and key personnel resumes)
- Factor 2: Technical Approach
- Factor 3: Management Approach
- Factor 4: Construction Schedule (Gantt chart and narrative)
- Factor 5: Past Performance (a neutral rating if none is relevant)
- Price (evaluated for fairness and reasonableness, not rated)
What to include when you submit
- Volume I (Technical) and Volume II (Business and Price) go in separate email attachments, one electronic copy each; no hard copies
- Each email attachment must be 38 MB or smaller, and each email 100 MB or smaller
- Volume I: project experience, technical approach, management approach, Gantt-chart construction schedule, past performance
- Volume I: resumes for the project manager, site superintendent, quality control manager and site safety and health officer
- Volume I: signed letters of commitment from key subcontractors and key trades
- Volume II: signed SF 1442 (blocks 14 to 20c), acknowledgment of all amendments, Section B price schedule with a schedule of values for each line item
- Volume II: SF 24 bid bond, completed representations and certifications (provision 52.204-8), and the subcontracting percentage worksheet
- Confirm the government received your email; offerors are responsible for verifying receipt
- Pre-proposal questions were due September 8, 2026 at 11:00 AM MT
You must have
- Total small business set-aside under NAICS 236220 (size standard $45M)
the associated small business size standard is $45M
- Active SAM.gov registration at the time of offer
Your firm must maintain current, active registration at www.SAM.gov to be eligible for
- Bid guarantee: an SF 24 bid bond (or other suitable bid guarantee) with the offer; performance and payment bond clauses are also in the contract
Submit Standard Form 24, Bid Bond duly executed between the Offeror and the bonding company.
- Must self-perform on site at least 15% of the work, in addition to the small business limits on subcontracting
The contractor shall perform on the site, and with its own organization, work equivalent to at least fifteen
- Name the firms for five key trades (roofing, vegetated/living roof specialist, building envelope/waterproofing, mechanical/fire protection, electrical/controls) and four key personnel
The Contractor shall identify firms that will perform the following KEY TRADES under this contract.
- Firms that helped design the project cannot bid or be on a team
all firms, Prime Contractors or subconsultants, involved in developing the design
- Davis-Bacon construction wage rates apply (wage determination AK200260001 is attached)
ATTACHMENT 4: WAGE DETERMINATION AK200260001
Not in the notice text
- Pre-proposal site visit date, time and requirements (that part of Section L was cut from the text read, so check the solicitation)
- Bid guarantee percentage and the performance and payment bond amounts
- Page limits for the technical volumes
- The detailed specifications, drawings, submittal list, wage determination and subcontracting worksheet, which were not read
- Questions and answers from the amendments and the revised Section B price schedule (amendment 3 added mold remediation), which were not read
- Exact start and completion requirements (the 442-day wording is garbled)
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Key facts
- Response due
- Oct 20, 2026, 11:00 PM UTC
- Posted
- Oct 9, 2026
- Notice type
- Solicitation
- Solicitation
- 140P2026R0087
- Agency
- Department of the Interior · National Park Service
- Office
- DSC Contracting Services Division
- Set-aside
- Small Business Set Aside - Total
- NAICS
- 236220
- Product/service code
- Z2JZ
- Business type
- Construction & renovation
- Contracting contact
- Melnick, Lindalinda_melnick@ios.doi.gov406-661-6513
- Versions
- 11 (amended since first posted)
Before you respond
Full notice text from SAM.gov
DENA 332037 Eielson Roof Replacement Amendment 0010
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