B09-140P2026B0003-Amd_2_0002.pdf

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: is not is required copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7.ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

PAGESOF

Contractor

The hour and date specified for receipt of Offers to sign this document and return

Vicki Freese-supler

See continuation page

NPS, DSC Contracting Services Div 1 Denver Federal Center, Building 50 P.O. Box 25287 Denver CO 80225-0287

DOI, NPS, DSC Contracting Services 1 Denver Federal Center, Building 50 P.O. Box 25287 Denver CO 80225-0287

PDS

PDS

140P2026B0003

09/11/2026

08/26/2026

1 2

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140P2026B0003/0002

CURE 318472 - Rehabilitation of Water &

Wastewater System - Curecanti National

Recreation Area

The purpose of this amendment is to provide the site showing sign in sheet and power point presentation.

All other terms and conditions of the solicitation remain unchanged and in full force and effect.

CURE 318472

Replace Water and Wastewater Systems Elk Creek, Lake Fork, and Iola | Curecanti National Recreation Area

100% Final Construction Documents | July 2026

CURE 318472 | Project Scope Summary

SUMMARY:

Replace and modernize critical potable water, wastewater, lift-station, and SCADA infrastructure serving developed park areas at Elk Creek and Lake Fork, and Iola

Historic photos provided for refernece

SITE ORIENTATION

Elk Creek

Primary water distribution, wastewater collection and conveyance, lift-station work, lagoon work, and SCADA upgrades.

Lake Fork

Wastewater collection/conveyance, septic tank, leach field, lift station, electrical/mechanical upgrades, and SCADA telemetry.

Iola

SCADA replacement at well and tank sites, integrated into the system-wide controls modernization.

Source: Drawing GU.01 and Specification 01 11 00, Work Covered by Contract Documents.

ELK CREEK - SANITARY

Sanitary System Work Package

• New 4-inch HDPE force main by HDD from the primary lift station toward the lagoons

• Existing pipe/structures removed and replaced in-kind where open-cut is required

• Main lift station drywell access improvements, ventilation, controls relocation, manual transfer switch, and portable-generator connection

• Bid Item: Sanitary Sewer System

• Option 01: Gravity Sewer System

• Option 02: Lagoon Repairs

• Option 03: Lift Station Replacement

ELK CREEK - WATER

Water system work package

• Replace campground, maintenance, visitor center, and storage-tank-area distribution piping.

• Install additional isolation valves to improve maintainability.

• Use HDD for the storage tank / water-main segment while maintaining the existing potable system.

• Modify the water storage tank valve vault to improve access and reduce confined-space burden.

• Replace Wellhouse #3 raw-water sample loop.

Sources: Specification 01 27 00 CLIN 0002; Cost Estimate Narrative; Drawing water plan/profile sheets.

SCADA MODERIZATION

System scope

• New SCADA PC and headend telemetry unit at the maintenance shop

• 10 RTUs across Elk Creek, Lake Fork, and Iola

• Updated instrumentation

• Local OITs at key sites

• UPS, utility-power-failure, and communications-failure alarming

• Fiber optic communications between two Elk Creek buildings

• FAT, SAT, commissioning, and training.

Sources: Specification 01 11 00 SCADA description; Specification Divisions 25, 26, and 40; Drawing controls sheets.

LIFT STATIONS

SCOPE:

• Marina Lift station @ Elk Creek Marina: replacement in kind with larger internal capacity.

• Primary (Main) Lift Station @ Elk Creek: rehabilitation / replacement items in base and options.

• Lake Fork Lift Station: replacement in the Lake Fork option package.

• Options for complete lift station replacement (option 03)

Sources: Specification 01 27 00 CLINs 0001, 0004, and options; Drawing civil/electrical/mechanical lift-station sheets.

LAKE FORK & IOLA

Lake Fork Wastewater collection and conveyance piping, septic tank, leach field, and lift station removal/replacement, plus SCADA telemetry and electrical/mechanical upgrades.

Iola SCADA replacement at the well and tank sites, integrated into the overall control system.

Sources: Specification 01 11 00 scope summary; Cost Estimate Narrative CLIN 9; Drawing Lake Fork sheets.

CONSTRUCTION SEQUENCING

Key restrictions Continuous satisfactory operation • 48-hour shutdown coordination • CO pre-approval for water/sanitary impacts

• road closures limited and approved • normal work hours with campground/marina limitations

Source: Specification 01 11 00, Work Phases, Public Use of Site, and Work Restrictions.

GEOTECHNICAL AND CONSTRUCTABILITY

• Seven borings were drilled across the Elk Creek project area.

• Basic profile: roughly 3–10 feet of residual soils over sandstone bedrock.

• Sandstone is hard, weathered, and moderately to highly fractured.

• Some trench excavation may require jackhammering or blasting.

• Groundwater was not encountered during drilling, but seasonal fluctuation remains possible.

• On-site soils are generally suitable for fill/backfill except where structural fill is required.

Sources: Geotechnical Report Executive Summary, Sections 2.1 and 3.2; Geotech Figures 2 and 3.

ARCHEOLOGICAL MONITORING

• Required for all ground disturbing activities

• ARPA Permit

• Monitoring Plan

Sources: Geotechnical Report Executive Summary, Sections 2.1 and 3.2; Geotech Figures 2 and 3.

CONTRACT STRUCTURE

Sources: Cost Estimate Project Cost Summary and Cost Estimate Narrative, Budget section.

BRCA 318695 | Pre-Bid Site Visit

Solicitation 140P2026B0003

Pre-Bid Site Visit | Final Construction Documents dated July 13, 2026 | 15 Spec 01 35 13.22 + 01 27 00

Summary of Solicitation and Award Information

Refer to the Solicitation for Complete Information

• Pre-Bid on Site Meeting – September 10, 2026

• Pre-Bid Questions Due – September 22, 2026

• Bids Due – September 29, 2026

• Submission – Electronic Only to: Vicki Freese-Supler and Daryl Hawkins

• Type of Contract – Firm Fixed Price

• NAICS Code 237110 – Water and Sewer Line and Related Structures

• Small Business Size Standard - $45M

• THIS IS A TOTAL SMALL BUSINESS SET ASIDE

• PERIOD OF PERFORMANCE: Project Completion 550 calendar days after Notice to Proceed

• CONTRACT VALUE: More than $10M

• Solicitation Process: Sealed Bid

Pre-Bid Site Visit | Final Construction Documents dated July 13, 2026 | 15 Spec 01 35 13.22 + 01 27 00

Solicitation Clauses

FAR 52.211-12 – Liquidated Damages-Construction - $1,420.00 FAR 52.228-1 – Bid Guarantee FAR 52.228-15 – Performance and Payment Bonds FAR 52.236-2 – Differing Site Conditions FAR 52.236-3 – Site Investigations and Conditions Affecting the Work FAR 52.236-9 – Protection of Existing Vegetation, Structures, Equipment, Utilities and Improvements FAR 52.236-21 – Specifications and Drawings for Construction

Pre-Bid Site Visit | Final Construction Documents dated July 13, 2026 | 15 Spec 01 35 13.22 + 01 27 00

Bids should be submitted electronically with the following denoted in the subject line: CURE 318472 - 140P2026B0003 – Sealed Bid Submission, and include the Contractor’s Name. It is the responsibility of the bidders to ensure bids are received at the initial point of entry to the Government infrastructure not later than 5:00 p.m. one working day prior to the date specified for receipt of bids.

FORMAT: Submit (1) one electronic copy

ORGANIZATION:

• SF33

• Amendments

• Section B Price Schedule

• SF 24 Bid Bond (Or Other Suitable Bid Guarantee)

• Section K Representations and Certifications

• General References

LOCATION OF BID OPENING: To be held electronically via Project Teams at 2:00 p.m. MT

• Meeting ID: 231 130 473 934 268

• Passcode: pn9fq7Yv

• Phone: 1-202-640-1187, 164892384#

Solicitation 140P2026B0004

Pre-Bid Site Visit | Final Construction Documents dated July 13, 2026 | 15 Spec 01 35 13.22 + 01 27 00

Section M – Basis for Award

To be eligible for award of contract, the offeror shall submit prices for each line item in Bid Schedule to include all five (5) Base Line Items and all four (4) Line Items designated as Options. Accordingly, contract award will be made to the lowest responsible bidder conforming to the solicitation, provided funds are available and the Contracting Officer determines the price to be reasonable.

Per FAR provision 52.217-5, Evaluation of Options (JULY 1990), the Government will evaluate offers for award purposes by adding the total price for all options to the total price for all base items, Line Items 5 through

11. Evaluation of options will not obligate the Government to exercise the option(s). If the determination is made to exercise any of the Options, the Contracting Officer will provide the contractor with written notice no later than 60 days after contract award, per FAR clause 52.217-7, Option for Increased Quantity Separately Priced Line Item (MAR 1989).

Issuance of this solicitation does not guarantee that an award will be made. Any resulting awards are subject to the availability of funding and the discretion of the awarding entity, including cancellation or amendment based on a determination of change in agency needs.

Solicitation 140P2026B0004

Pre-Bid Site Visit | Final Construction Documents dated July 13, 2026 | 15 Spec 01 35 13.22 + 01 27 00

Thank You For Your Interest in This Project

National Park Service U.S. Department of Interior

Sponsored by GSA FAR (48 CFR) 53.110