Z--Rehab Power and Cooling Systems, Pinnalces NP

Amendment / Modification

• Extends the proposal response date from 3:00 PM PDT on May 29, 2026, to 3:00 PM PDT on June 19, 2026.

• Indicates that an additional amendment will be issued to provide answers to vendor questions.

• The due date for proposals has been modified.

• The deadline for submitting proposals has been extended to June 19, 2026.

• Vendors must acknowledge receipt of this amendment. Options for acknowledgment include:

  • Completing Box 11 on the SF-1442 solicitation form.
  • Completing Boxes 15a through 15c on the SF-30 amendment form (submit one SF-30 per amendment issued).

Amendment / Modification

This amendment (0001) to solicitation 140P8426R0002, dated 04/29/2026, provides site visit notes and the initial round of Questions & Answers (Q&A).

• A new attachment, "Amendment 1 Attachment 11 Site Visit Notes," dated 05/19/2026, has been added.

• Questions must be submitted in writing via email to Phaedra Fuller (phaedra_fuller@ios.doi.gov) with the solicitation number in the subject line.

• Offerors have two methods to acknowledge amendments:

  1. Complete box 11 on the SF-1442 solicitation form.
  2. Complete boxes 15a through 15c on the SF-30 amendment form (one SF-30 per amendment).

• The government reserves the right to cancel the solicitation.

• The period of performance is from 08/03/2026 to 03/31/2027.

• This purchase is for the federal government and is exempt from state sales tax (#140001849).

• Refer to Attachment no. 1, "Terms-Provisions-Clauses" for proposal submission details (Section L) and evaluation factors (Section M).

Amendment / Modification

This document provides notes from a site visit and answers to bidder questions related to Solicitation no. 140P8426R0002.

• Date and Time: May 14, 2026, 1:00 PM PDT.

• Location: Pinnacles National Park, West Side Maintenance Building.

• Attendees: Michael Evans (Buildings & Grounds Utilities Supervisor) and representatives from several companies (listed in the document).

• Note: Bidders should monitor for additional amendments addressing Q&A not covered in this document.

• Key Personnel Roles: One individual can perform the combined roles of Quality Control Manager and Safety Manager.

• Subcontracting Percentage: Refer to Solicitation Attachment no. 9 (Limitations of Subcontracting worksheet) and FAR clause 52.219-14. The contractor must perform at least 15% of the total work with their own organization, though this may be reduced by supplemental agreement.

• Generator Runtime/Duty Cycle: The generator for the rehabilitated off-grid PV-battery system is intended as an auxiliary source for battery-charging support, supplemental capacity during peak conditions, and emergency/resiliency backup. It is not for continuous prime operation. Annual operating hours are variable based on solar production and load demands. The PV + battery system is the primary power source.

This document clarifies requirements related to Key Personnel, Subcontracting Limitations, and Generator operational parameters. Bidders should incorporate this information into their proposals.

Solicitation / RFP / RFQ

This document, "Attachment 1, Terms Clauses Provisions," outlines the terms, conditions, and requirements for the "Rehabilitate Westside Power and Cooling Systems" project at Pinnacles National Park (PINN). It serves as a comprehensive solicitation for potential bidders.

• Specifications and Drawings: Detailed specifications and drawings are incorporated by reference (Section C).

• Packaging and Marking: Requirements for packaging and marking are outlined (Section D).

• Inspection and Acceptance: Procedures for inspection and acceptance of work are detailed, including contractor responsibilities for quality control and government inspection rights (Section E).

• Deliveries or Performance: Includes clauses on commencement, prosecution, and completion of work, with a specified completion date of approximately 240 calendar days between February and March 2027. It also covers suspension of work (Section F).

• Contract Administration: Outlines the roles of the Contracting Officer's Representative (COR) and Contracting Officer (CO), correspondence procedures, and requirements for appointing a contractor representative (Section G).

• Special Contract Requirements: Includes Davis-Bacon Wage Rates, Workers Compensation, a Site Specific Safety and Health Plan, procedures for Archeological Findings, Conduct of Operations, Key Personnel, and Key Trades (Section H).

• Contract Clauses: A comprehensive list of Federal Acquisition Regulation (FAR) and Department of the Interior Acquisition Regulation (DIAR) clauses incorporated by reference, covering various aspects such as definitions, gratuities, anti-kickback procedures, price adjustments, whistleblower rights, reporting, system for award management, Buy American requirements, performance and payment bonds, liability insurance, and prohibition of lead-based paint (Sections I and related clauses).

• Buy American: Specific requirements and definitions related to the Buy American Act for construction materials are detailed, including domestic preference and procedures for requesting exceptions (Section 52.225-9 and 52.225-10).

• Site Visit: Information regarding a mandatory site visit, including the date, time, location, and RSVP instructions, is provided (Section 52.236-27).

• Type of Contract: The government contemplates award of a firm-fixed-price contract (Section 52.216-1).

• Period of Performance: Approximately 240 calendar days, with an estimated start for onsite work in August 2026 and completion by March 2027.

• Proposal Submission: Proposals must be submitted via email to Phaedra_Fuller@ios.doi.gov by the specified due date and time. Specific formatting and size limits for email attachments are provided (Section D).

• Evaluation Factors: Proposals will be evaluated based on Price and Technical factors, including Experience (Project Experience and Key Personnel Experience), Technical Approach and Schedule, and Past Performance. The evaluation will use a Best Value Continuum Tradeoff Process (Section M).

• Eligibility: Proposals are solicited only from small business concerns. Offerors must be registered in the System for Award Management (SAM) (Section L).

• Small Business: Proposals are solicited only from small business concerns. The size standard is $19 million in annual gross receipts for the past three years for Electrical Contractors and Other Wiring Installation Contractors (NAICS code 238210) (Section L).

• Attachments: Numerous attachments are listed, including Specifications, Drawings, Price Schedules, Questionnaires, and Bid Bonds (Section J).

• Organizational Conflict of Interest: Offerors must disclose any potential organizational conflicts of interest (Section J).

• Responsibility Determination: Award will be made only to contractors determined to be responsible based on minimum FAR Part 9 standards (Section J).

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire intended for offerors to provide to their references. The reference will complete Sections C and D and return the questionnaire to the Contracting Officer.

• Contractor Information: To be completed by the offeror, including company name, address, UEI, and point of contact.
• Contract Information: Details of the contract being referenced, including project title, contract number, type, price, award/completion dates, period of performance, project location, and client/owner.
• Scope of Work Description: A brief description of the work performed under the referenced contract.
• Reference Information: Details of the individual who will complete the questionnaire.
• Evaluation Criteria: Definitions for ratings (Exceptional, Very Good, Satisfactory, Marginal, Unsatisfactory) across several areas: Quality, Schedule (& Time Management), Cost Control, Management, Small Business Subcontracting (& Labor Standards), and Regulatory Compliance.
• Overall Recommendation & Comments: Space for the reference to provide a final recommendation and overall comments.
• Return Instructions: Specifies the return deadline (May 21, 2026, 3:00 p.m. Pacific Daylight Time) and the Contracting Officer's contact information (Phaedra Fuller, Department of the Interior, National Park Service).

Bidders must provide this questionnaire to their past performance references. The completed questionnaire will be used by the government as source selection information to evaluate the bidder's past performance. Bidders should ensure their references can provide accurate and favorable feedback based on the criteria outlined in the questionnaire.

Form / Attachment / Pricing Sheet

This document is a "General References" form intended for offerors responding to Solicitation no. 140P8426R0002. Its purpose is to collect general references from potential bidders as described in Section L (Instructions, Conditions, and Notices to Offerors) of the solicitation.

The form requires offerors to provide specific information for the following categories:

• Surety: Name, address, agent, telephone number, and email.
• Corporate Bank (x2): Name, address, agent, telephone number, email, and types/numbers of accounts.
• Insurance Company: Name, address, agent, telephone number, email, and types of policies.
• Subcontractor (x3): Name, address, contact name, telephone number, and area of specialized work.
• Material Supplier (x3): Name, address, contact name, telephone number, and types of material.

Instructions specify including area codes with all telephone numbers and filling in information legibly by typing or printing.

Bidders must carefully complete and submit this form as part of their proposal in accordance with Section L of the solicitation. Failure to provide the requested reference information may impact the evaluation of the offer.

Solicitation / RFP / RFQ

This solicitation is a Request for Proposals (RFP) for the National Park Service (NPS) at Pinnacles National Park (PINN). The project involves replacing the existing photovoltaic system and rehabilitating the cooling systems at the maintenance and Park housing area.

• Replacement of the existing photovoltaic system.

• Rehabilitation of cooling systems at the maintenance and Park housing area.

• Refer to Attachment No. 1, "Terms-Provisions-Clauses" for full details on requirements, proposal submission (Section L), and evaluation factors (Section M).

• Contract Type: Firm-fixed-price.

• Period of Performance: Anticipated start August or September 2026, completion February or March 2027 (approx. 6-7 months).

• Performance Start: Within 10 calendar days of award or notice to proceed.

• Performance Completion: Within 240 calendar days after receiving award.

• Estimated Price Range: The government seeks offers with a total price between $1,000,000 and $2,000,000, but this is not a ceiling or floor.

• Submission Deadline: May 29, 2026, local time.

• Offers must be submitted to the address in Item 8.

• Evaluation: Best Value determination based on price and factors other than price, as outlined in Section M of Attachment 1.

• Site Visit: May 14, 2026, 1:00 PM (PT) at Pinnacles National Park. Location and directions are in Attachment 1, Section L, 52.236-2.

• This acquisition is a Total Small Business Set-Aside. Offers are solicited only from small business concerns.

• NAICS Code: 238210, Electrical Contractors and Other Wiring Installation Contractors.

• Size Standard: $19 million in annual gross receipts for the past three years.

• Refer to Attachment No. 1 for full details.

• Price Schedule: Use Solicitation Attachment No. 6, "Forms and Provisions to Return with Proposal," to list offered prices.

• SF-1442 Completion: Complete Blocks 14-19 and 20a-20c. Acknowledge any amendments in Block 19.

• Bonds: Performance and Payment Bonds are required (Item 12a).

Form / Attachment / Pricing Sheet

This document, "Attachment 3_Specifications.pdf", contains the project specifications for the "Rehabilitate Westside Off Grid Photovoltaic System" at Pinnacles National Park. It details the technical requirements and standards for the project.

The document is organized into sections covering various aspects of the project, including:

• General Requirements: Summary of Work, Contract Modification Procedures, Project Management and Coordination, Submittal Procedures, Safety Requirements, Quality Requirements, Noise and Acoustics Management, Temporary Storm Water Pollution Prevention, Construction Waste Management and Disposal, Closeout Procedures, and Operation and Maintenance (O&M) Data.
• Mechanical: Hangers and Supports for HVAC Piping and Equipment, Vibration and Seismic Controls for HVAC, Testing, Adjusting, and Balancing for HVAC, HVAC Piping Insulation, and Commissioning of HVAC.
• Electrical: Supplemental Requirements for Electrical, Low-Voltage Electrical Power Conductors and Cables, Control-Voltage Electrical Power Cables, Grounding and Bonding for Electrical Systems, Hangers and Supports for Electrical Systems, Conduits for Electrical Systems, Boxes and Covers for Electrical Systems, Enclosed Switches and Circuit Breakers, Fuses, Gas-Engine-Driven Generator Sets, Panelboards.
• Civil: Earth Moving.

This document is crucial for bidders as it outlines the detailed technical specifications and requirements for the "Rehabilitate Westside Off Grid Photovoltaic System" project. It provides essential information regarding the scope of work, materials, installation methods, safety protocols, quality control, and specific system requirements (HVAC, electrical, civil). Bidders must thoroughly review these specifications to accurately estimate costs, develop proposals, and ensure compliance with all project demands. The document also references other relevant sections and standards that must be adhered to.

Form / Attachment / Pricing Sheet

This document contains the "Rehabilitate Westside Off Grid Photovoltaic System" drawings for Pinnacles National Park, California. It details the design and specifications for the rehabilitation of the existing off-grid photovoltaic system.

• Cover Sheet (CS-1): Provides project title, location, and an index of all drawings.
• Structural Notes & Details (S-1): Outlines general structural requirements, design loads (snow, wind, seismic), and details for foundations, excavation, backfill, and cast-in-place concrete.
• Mechanical Notes (M-001): Contains general notes for mechanical work, including piping and abbreviation legends, LP gas piping notes, and HVAC basis of design.
• Mechanical Compliance (M-002): A certificate of compliance for mechanical systems, demonstrating adherence to California Energy Commission standards.
• Mechanical Plans (M-101, M-102, M-103): Site plans and details for mechanical systems, including chilled water supply and return lines, and existing equipment.
• Mechanical Details (M-501): Provides details for chilled water connection, air-cooled chiller, and a chilled water flow diagram.
• Mechanical Schedules (M-601): Schedules for air-cooled chillers and fans, including performance and electrical data.
• Mechanical Controls (M-801): Details the sequence of operation for the air-cooled chiller and lists control points.
• Electrical Symbols and Notes (E-001): Defines electrical symbols, abbreviations, and general notes for electrical work.
• Electrical Plans (E-101, E-102, E-103, E-104, E-105): Site plans, inverter layouts, battery room details, roof and ground mount PV array layouts, and electrical site plans.
• Electrical Schedules (E-601, E-602): Single line diagram for the solar PV system and panel schedules for various electrical panels.
• Electrical Labels (E-500): Provides labels for PV power source, AC disconnect, service placard, and rapid shutdown switch.

These drawings are critical for bidders to understand the full scope of the "Rehabilitate Westside Off Grid Photovoltaic System" project. They provide detailed information on the structural, mechanical, and electrical components, including existing conditions, new installations, demolition requirements, and system layouts. Bidders must review these drawings to accurately estimate costs, develop a project plan, and ensure compliance with all specified requirements.

Form / Attachment / Pricing Sheet

This document is a Project Experience Questionnaire intended for offerors responding to Solicitation 140P8426R0002. It requires bidders to provide detailed information about their relevant project experience to demonstrate their capability to successfully complete the requirement.

• Offeror Information: Company Name.
• Referenced Project Information: Project Title, Location, Brief Description, Project Owner, and Point of Contact.
• Contractor List: Details for prime and subcontractors, including their role, trade, price, and performance period (original vs. final).
• Project Experience Questions: A series of seven questions requiring descriptions of:
  1. Project work performed by all listed contractors.
  2. How the work addresses Project Experience elements from Section L of the solicitation.
  3. Reasons for any changes to the original project price.
  4. Reasons for any changes to the original project schedule.
  5. Problems encountered and their resolutions, and how the offeror's proposal accounts for similar issues.
  6. Successful means and methods used, and whether they would be reused.
  7. Any other relevant project information.

Bidders must use this questionnaire to document and present their past performance and relevant project experience as required by Section L of the solicitation. The responses will be used by the government to evaluate the offeror's capability and suitability for the opportunity. Bidders should adhere strictly to the instructions regarding the quantity of projects and timeframes specified in the solicitation and expand the response sections as needed.

Form / Attachment / Pricing Sheet

This document contains the Price Schedule and several required provisions for offerors responding to Solicitation Number 140P8426R0002 for the Pinnacles National Park project. It outlines the required pricing structure and includes mandatory certifications and representations.

• Price Schedule: Requires offerors to provide a total price for three lump-sum line items: Off-Grid Photovoltaic System - Electrical, Mechanical, and Civil & Structure. A detailed price breakdown supporting lump sum prices (including mobe in/out, labor, and equipment) is also required, with measurement and payment details found in Section 012700.
• Offeror Information: Fields for SAM.gov EUI Number, Point of Contact Name, Phone Number, and Email.
• Provision 52.209-7 (Information Regarding Responsibility Matters): Requires offerors to disclose current active Federal contracts and grants exceeding $10,000,000 and report any adverse responsibility matters within the last five years via FAPIIS.
• Provision 52.209-13 (Violation of Arms Control Treaties or Agreements-Certification): Requires offerors to certify that neither they nor any entity they own or control has engaged in activities contributing to a foreign country's violation of arms control, nonproliferation, or disarmament agreements.
• Small Business Rerepresentation (Optional): To be completed only if the offeror does not have a representation in SAM.gov for NAICS Code 238210 (Small Business Size Standard: $19M).
• Provision 52.225-2 (Buy American ACT CERTIFICATE): Included for completion.

This document is critical for bidders to understand the required pricing format, provide necessary contact and identification information, and complete mandatory certifications regarding responsibility and compliance. Failure to submit a conforming offer with pricing may render the proposal unacceptable.

Form / Attachment / Pricing Sheet

This document, "Attachment_9_Limitations_of_Subcontracting_Worksheet.xlsx", provides a template and guidance for reporting on limitations of subcontracting. It incorporates FAR Clause 52.236-1, which requires contractors to perform at least 15% of the total work with their own organization.

• FAR Clause 52.236-1: Specifies the minimum performance requirement by the prime contractor (at least 15% of the total contract value).
• Reporting Template: Includes fields for Contract Number (PIID), Type of Set Aside, Total Contract Value, Performance Period, Type of Service, amounts paid to the prime, amounts paid to Similarly Situated Subcontractors (SSS), and amounts paid to Non-Similarly Situated Subcontractors (NSS).
• Calculation: Provides a formula to calculate the "Limitation on Subcontracting Percentage" based on the amounts paid to the prime and NSS.

Bidders should use this worksheet to understand the government's requirements regarding subcontracting. It outlines the minimum percentage of work the prime contractor must perform and provides the structure for reporting on subcontracting activities throughout the contract performance period. This is crucial for compliance with federal acquisition regulations.

Form / Attachment / Pricing Sheet

This document is Standard Form 24 (Rev. 10/2023), a Bid Bond. It is used when a bid guaranty is required for a solicitation. Bidders must complete this form to provide a bond from a surety company as a guarantee that they will execute the contract if awarded.

• Principal: Information about the bidder (legal name, address, type of organization).
• Surety(ies): Information about the surety company or companies providing the bond (name, address, state of incorporation, liability limit).
• Penal Sum of Bond: The amount of the bond, typically a percentage of the bid price, not to exceed a specified dollar amount.
• Bid Identification: Details such as Bid Date and Invitation Number.
• Obligation: Outlines the conditions under which the bond is void (e.g., executing the contract and providing required bonds after acceptance).
• Conditions: Specifies the principal's submission of a bid and the consequences of failure to execute further contractual documents.
• Signatures and Seals: Sections for the Principal and Surety(ies) to sign and affix seals.

This form is critical for bidders who are required to submit a bid bond. It details the information needed to secure a surety, the amount of the bond required, and the conditions under which the bond is valid. Failure to provide a properly executed bid bond may result in disqualification of the bid. Bidders must ensure they understand the requirements and complete the form accurately.

Form / Attachment / Pricing Sheet

This document provides prevailing wage rates for various construction trades across numerous counties in California. It is intended to inform bidders about the minimum wage and fringe benefit rates required for laborers on federal or federally funded construction projects in the specified geographic areas.

• General Decision Numbers: CA20260018 and CA20250018 are listed, indicating the effective dates and superseded status.
• Construction Types: Building, Heavy (Heavy and Dredging), and Highway.
• Counties Covered: A comprehensive list of California counties is provided, with some counties further divided into "Area 1" and "Area 2" for wage rate determination.
• Trade Classifications: Detailed wage and fringe benefit rates are listed for numerous trades, including:
  • Asbestos Removal Worker
  • Asbestos Workers/Insulator
  • Boilermaker
  • Bricklayer
  • Carpenters (various specializations)
  • Communications System Installer/Technician
  • Diver
  • Electrician
  • Elevator Mechanic
  • Ironworker
  • Laborer (various classifications including Asbestos/Mold/Lead, Traffic Control, Tunnel and Shaft, Construction Craft, Gardeners, Gunite, Wrecking)
  • Painter
  • Plasterer
  • Plumber & Steamfitter
  • Roofer
  • Sheet Metal Worker
  • Sprinkler Fitter
  • Truck Driver
• Premium Pay: Specific locations may have additional hourly pay rates.
• Footnotes and Scope of Work: Clarifications on specific work conditions, exclusions, and definitions are provided for certain trades.

Bidders must use these prevailing wage rates to accurately estimate labor costs for their proposals. Failure to comply with these wage requirements can lead to penalties and debarment. Understanding the specific rates applicable to the project's location and the required trades is crucial for accurate bidding and contract compliance.

Solicitation / RFP / RFQ

This is a pre-solicitation announcement for the rehabilitation of the West Side power and cooling systems at Pinnacles National Park. The National Park Service (NPS) requires replacement of the existing photovoltaic system and rehabilitation of cooling systems due to current deficiencies that do not meet the park's needs, impacting visitor comfort and safety, especially during summer months. The project is estimated to take approximately 6 months, starting July/August 2026 and completing Jan/Feb 2027.

• Power System: New backup liquid propane generator, rooftop photovoltaic power system with associated mounting, inverters, and panels.

• Chiller System: Installation of hangers, supports, vibration and seismic controls, testing, adjusting, balancing, piping insulation, commissioning, and air-cooled, scroll water chillers.

• Electrical: Installation of low-voltage and control-voltage power conductors and cables, grounding, bonding, conduits, underground ducts, sleeves, identification systems, panelboards, fuses, enclosed switches, circuit breakers, photovoltaic collectors, and gas-engine-driven generator sets.

• Civil: Concrete work, rebar, earth moving, stripping, grubbing, backfill, and compaction.

• Contract Type: Firm-fixed-price.

• Estimated Value: The Government seeks offers between $1,000,000 and $2,000,000, but this is not a ceiling or floor.

• Period of Performance: Approximately 6 months (July/August 2026 - Jan/Feb 2027).

• RFP Availability: Expected on or about April 22, 2026, via www.sam.gov.

• Proposal Submission: Digital format, due approximately 30 days after RFP posting. Requires both technical and business proposals (including price).

• Evaluation: Best Value determination based on price and factors other than price (detailed in Section M).

• Bid Bond: Required at 20% of the offered price.

• Total Small Business Set-Aside: Offers are solicited only from small business concerns.

• NAICS Code: 238210, Electrical Contractors and Other Wiring Installation Contractors, with a $19 million size standard.

• Site Visit: Scheduled for May 5, 2026, at 11 am (PT) at Pinnacles National Park. Specific meeting location and details will be in the solicitation.

• Amendments: Prospective offerors must monitor www.sam.gov for amendments.

• Registration: Active SAM.gov registration is required for award.

• Questions: Submit written questions via email to Phaedra_Fuller@ios.doi.gov and cc: Noha_Buikema@nps.gov, with "140P8426R0002 PINN Power System" in the subject line. Q&A will be compiled and posted as a solicitation amendment.