Solicitation
DENA 332037 Eielson Roof Replacement
Department of the Interior · National Park Service · Sol. 140P2026R0087
Due in 7 daysSmall business
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 contractor to replace the failing vegetated (living) roofs on the Eielson Visitor Center and its utility building in Denali National Park, Alaska, and do related interior repair, lighting, door, heating, patio and hydroelectric interconnection work. It is a total small business set-aside with a stated price range of $5M to $10M. The site is extremely remote and off-grid, and proposals are due October 15, 2026 by email.
Watch out for
- Extremely remote Alaska site. Getting people, materials and equipment to an off-grid site in a national park is expensive and slow, and the evaluation heavily rewards a realistic remote-logistics, weather and seasonal plan.
The project site is extremely remote,
- Large bonding requirement. A bid bond is due with the offer and performance and payment bonds are required on a project estimated at $5M to $10M, which can strain a small business's bonding capacity.
Submit Standard Form 24, Bid Bond duly executed between the Offeror and the bonding company.
- Key trades and letters of commitment locked in at proposal time. You must name specialty subs (including a living-roof specialist) and get signed commitment letters before award, and later substitutions need Contracting Officer approval.
The assignments above are permanent for the contract duration.
- Daily liquidated damages. Late completion costs $1,634 for every calendar day of delay, which is a real risk given weather and access limits.
in the amount of $1, 634 for each calendar day of delay
- Heavy proposal effort. Five evaluated factors, a Gantt-chart schedule, resumes, past performance, letters of commitment and a price breakdown must all be built into two email volumes; page limits are not visible in the text provided.
Submit a project-specific construction schedule in Gantt chart format.
- Price schedule was changed by amendment. Amendment 0003 replaced the Section B price schedule to add mold remediation, so the six line items in the main solicitation are out of date and the real schedule is in a spreadsheet that was not available.
in order to include mold remediation.
- Question deadline has passed. Questions closed September 8, 2026, so any unclear scope items now have to be resolved from the amendments and Q&A documents already posted.
Pre-proposal questions shall be submitted by September 8,2026, 11:00 AM MT.
- Stale dates inside the base solicitation. The base SF 1442 still shows a September 15, 2026 due date and a 2026 period of performance for design line items; the amendments set the real due date to October 15, 2026, so rely on the amendments.
2. Extend the proposal due date to 10/15/2026
- Email-only submission. Proposals sent any other way are rejected, and large attachments must be split to fit the size limits.
Proposals submitted via any means other than email shall not be accepted.
Read from the notice and 12 attachments. 33 not read in full.
- B08_FINAL_Solicitation_updated_7_31_26.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
- 29_Amendment_Summary_0008_0008.pdf
- 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 vegetated roof system on the Eielson Visitor Center main building
- Replace the roof on the visitor center utility building
- New lighting and measures to stop wind-driven snow from entering the roof/wall assembly
- Exterior door adjustments, heating modifications and an exterior patio
- Repair interior water damage (mold/microbial remediation was added by Amendment 0003)
- Upgrades and integration work (hydro interconnection) on the existing hydroelectric power system
- Demolition of select architectural, structural, mechanical and electrical parts, removal of exterior stairs and skylights, site drainage changes
- Accessibility improvements and upgrades to meet the 2024 ICC family of codes
- Contract type
- Firm-fixed-price construction (at least one FFP offer with prices for every line item); negotiated best value tradeoff source selection
- Period of performance
- 442 calendar days per Special Requirement 1 (its wording is unclear on whether this is time to start or time to finish; the SF 1442 form also shows 10 and 442). No option periods appear in the text provided.
- Place of performance
- Eielson Visitor Center, Denali National Park and Preserve, Alaska (about 66 miles west of the Denali Park entrance on Denali Park Road, roughly 240 miles from Anchorage)
- Estimated value
- Estimated price range: Between $5M and $10M (as written in the solicitation)
- How they'll choose
- Best value tradeoff (FAR Part 15). The government may pay more for a better proposal and intends to award without discussions. Price is evaluated for fairness, reasonableness and unbalanced pricing.
- Offers due
- October 15, 2026 at 17:00 (5:00 PM). SAM.gov shows 17:00 at UTC-06:00 (Mountain); amendments say 1700 local time. Amendment 0004 extended the date from September 15, and Amendment 0006 confirmed October 15.
- How to submit
- Email only, sent to the Contracting Officer (Linda_Melnick@ios.doi.gov), the Contract Specialist (Gabriel_castellanos@ios.doi.gov) and CS_DSC_Proposal_Submission@nps.gov. Subject line format: DENA 332037, 140P2026R0087, email X of X.
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 (sequencing, remote logistics, temporary weather protection, park operations, resource protection)
- Factor 3: Management Approach (organization, staffing, subcontractor coordination, safety, quality control, capacity, letters of commitment)
- Factor 4: Construction Schedule (Gantt chart with critical path plus narrative)
- Factor 5: Past Performance
- Price: non-price factors 1 to 5 are of about equal importance and together are significantly more important than price
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 less and each email 100 MB or less; verify the government received your proposal
- Volume I folders and files named by factor: Project Experience, Technical Approach, Management Approach, Construction Schedule, Past Performance
- Volume I must include resumes for the 4 key personnel (Project Manager, Site Superintendent, Quality Control Manager, Site Safety and Health Officer) and name the firms for 5 key trades
- Volume I must include signed letters of commitment from key subcontractors and key trades
- Volume II: SF 1442 (blocks 14 through 20C only, signed by someone with authority to bind the company), acknowledgement of all amendments, Section B price schedule with a Schedule of Values for each line item, SF 24 bid bond, Section K representations and certifications (52.204-8), and the Subcontracting Percentage Worksheet
- Alternative terms are not accepted; submitting an offer means accepting the solicitation terms
- Pre-proposal questions had to be emailed to the CO and Contract Specialist by September 8, 2026, 11:00 AM MT
You must have
- Must be a small business under the total small business set-aside (NAICS 236220, $45M size standard)
the associated small business size standard is $45M
- Active SAM.gov registration is required at the time the offer is submitted
Your firm must maintain current, active registration at www.SAM.gov
- Bid guarantee (SF 24 bid bond) must be submitted with the offer, and performance and payment bonds are required under the contract (FAR 52.228-15 is in the clause list)
Submit Standard Form 24, Bid Bond duly executed between the Offeror and the bonding company.
- Limitations on subcontracting: in general construction the prime may not pay more than 85 percent of the contract amount (excluding materials) to subcontractors that are not similarly situated small businesses
it will not pay more than 85 percent of the amount paid by the Government for contract
- Must perform at least 15 percent of the work on site with its own organization
The contractor shall perform on the site, and with its own organization, work equivalent to at least fifteen
- Must name the firms for five key trades (roofing, vegetated/living roof specialist, building envelope/waterproofing, mechanical/fire protection, electrical/controls); these are permanent once assigned
The Contractor shall identify firms that will perform the following KEY TRADES under this contract.
- Firms that helped develop the design or specifications are barred from receiving any part of the construction award
all firms, Prime Contractors or subconsultants, involved in developing the design
- Davis-Bacon style construction wage rates apply (Wage Determination AK200260001 is listed as Attachment 4)
ATTACHMENT 4: WAGE DETERMINATION AK200260001
Not in the notice text
- Page limits for the technical volume are not stated in the text provided
- Specifications, drawings, wage determination, submittal list, price schedule spreadsheet, Q&A documents and several amendment attachments were not read (over the file limit or spreadsheets), so detailed technical scope and wage rates are unknown
- About half of the main solicitation (from part way through the limitations on subcontracting clause to the site visit instructions in Section L) was cut off, so the bond amounts and timing, insurance details and the site visit date and whether it was mandatory are unknown
- Whether the period of performance of 442 calendar days is time to start or to finish is unclear in the text
- Final Section B line items after Amendment 0003 (they now include mold remediation) are not visible
- No incumbent or prior contractor is named
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Key facts
- Response due
- Oct 15, 2026, 11:00 PM UTC
- Posted
- Oct 2, 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@nps.gov0000000000
- Versions
- 9 (amended since first posted)
Full notice text from SAM.gov
DENA 332037 Eielson Roof Replacement Amendment 0008
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