Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding the "Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services" opportunity.

• Incumbent and Contract Value: The current contract is a replacement for W912P721P0012, with United Site Services of California as the incumbent. The total contract value was $343,213.32.
• Past Performance Questionnaire (PPQ): The government will not accept a prior client's PPQ template. Only the PPQ format provided with the solicitation or Contractor Performance Assessment Reporting System (CPARS) will be accepted.
• Liberty Glen Options: Liberty Glen was not listed as an option under the previous contract.
• Water Source: Contractors must provide their own water supply; there is no water point available for use.
• Vault Locations: There are 7 vault locations at Liberty Glen, 2 at the Overlook, some septic holding tanks at Headquarters, and a couple of day use areas (Lone Rock and Yorty Creek Day Use Areas). The gallons per year line item covers these locations, and pumping requests will be made by the COR as necessary.

These clarifications do not appear to alter the submission deadlines or core requirements of the solicitation, but bidders should note the specific requirements for past performance submissions and the availability of water.

Questions & Answers / Clarifications

This document provides responses to questions regarding the "Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services" opportunity (W912P726QA003).

• Contract Type: This is a replacement contract for W912P721P0012. The incumbent is United Site Services of California, with a total contract value of $343,213.32.
• Past Performance Questionnaire: The government will not accept a past performance questionnaire template from a prior government client. Only the PPQ format provided with the solicitation or Contractor Performance Assessment Reporting System (CPARS) will be accepted.
• Liberty Glen Options: Liberty Glen was not listed as an option under the previous contract.
• Water Source: Contractors must provide their own supply of water; there is no water point available for drawing water.

This Q&A clarifies key aspects of the solicitation, particularly regarding contract history, past performance submission requirements, and resource availability. Bidders should note the specific format required for past performance submissions and the contractor's responsibility for water supply.

Solicitation / RFP / RFQ

This is a combined synopsis/solicitation for commercial services, specifically professional septic services for Warm Springs Dam (WSD) located at Geyserville, California. The U.S. Army Corps of Engineers (USACE), San Francisco District, is seeking these services. This announcement constitutes the only solicitation, and no separate written solicitation will be issued. It is issued as a request for quotation (RFQ).

• Professional septic services including job planning, programming, scheduling, administration, inspection, and management.

• Work must be accomplished in accordance with the contract, applicable laws, municipal codes, regulations, and directives.

• Specific attention to Performance Work Statement requirements related to:

  • Sewage treatment plant for waste disposal.
  • Compliance with SCA wage rate for Sonoma County.
  • Providing adequate personnel for emergency (6-hour notification) and non-emergency (24-hour notification) service requests.
  • Compliance with FAR Clause 52.219-14 Limitations on Subcontracting.
  • Ability to begin delivery of services at the start of the period of performance.

• Anticipated Period of Performance:

  • Base Year: May 21, 2026 to May 20, 2027
  • Option Year One: May 21, 2027 to May 20, 2028
  • Option Year Two: May 21, 2028 to May 20, 2029
  • Option Year Three: May 21, 2029 to May 20, 2030
  • Option Year Four: May 21, 2030 to May 20, 2031

• NAICS Code: 562991 (Septic Tank and Related Services)

• PSC Code: S222 (Housekeeping – Waste Treatment/ Storage)

• Evaluation will be conducted in accordance with FAR 52.212-2.

• Quotes must be submitted via PIEE.

• Submission Deadline: No later than 12:00pm PDT on April 24, 2026.

• Required submission items include:

  • Solicitation number
  • Offeror's name, address, telephone number, and UEI
  • Information for evaluation factors (per 52.212-2)
  • Responses to provisions requiring completion of representations and certifications (other than SAM)
  • Statement of agreement with terms and conditions
  • Capability statement demonstrating how proposed services meet PWS requirements
  • Completed Pricing Schedule (Attachment 5) and discussion of assumptions/exceptions
  • Active SAM Registration
  • Financial Bank letter

• Questions due by April 10, 2026, 12:00pm PDT.

• This acquisition is set-aside for small business concerns.

• Small business size standard for NAICS 562991 is $9 million.

• An optional site visit is scheduled for April 2, 2026, at 10:00am PDT at Park HQ, 3333 Skaggs Springs Road, Geyserville, CA 95441.

• FAR provision 52.229-11 and FAR clause 52.229-12 regarding a 2 percent Federal excise tax withholding for foreign persons are included.

• Offerors must monitor PIEE and SAM for any posted changes or amendments, as USACE will not provide direct notification.

Statement of Work (SOW) / Performance Work Statement (PWS)

To provide sewage pumping services and rental of portable restrooms for the U.S. Army Corps of Engineers at Warm Springs Dam, Lake Sonoma, Geyserville, CA.

• Provide all personnel, supplies, tools, equipment, and non-personal services for sewage pumping and portable restroom rental.

• Perform services in accordance with the PWS, contract standards, and all applicable local, state, and federal regulations.

• Services include pumping, emptying, cleaning of portable restrooms, and disposal of waste at an approved location.

• Portable units must meet industry standards and include features like interior locks, ventilation, and a toilet seat.

• Contractor responsibilities include cleaning, re-supplying, adding deodorant, pest control, performance maintenance, and repairing/replacing units.

• Pumping services for sewage vaults are dependent on visitation and seasonal changes, with a 24-hour response time for emergencies.

• Portable toilets will be pumped on a schedule, with increased frequency during peak season (May-October).

• All work must be performed to contract standards and local, state, and federal regulations.

• Quality Control Program (QCP) required to identify, prevent, and ensure non-recurrence of defective services.

• Government will evaluate performance using a Quality Assurance Surveillance Plan (QASP).

• Place of Performance: Warm Springs Dam, Lake Sonoma, Geyserville, California.

• Period of Performance: One base year of 12 months, with four option years (each 12 months).

• Hours of Operation: Monday-Friday, 8:00 AM - 4:30 PM, excluding Federal Holidays.

• Contract Type: Firm-Fixed Price (FFP).

• Contractor must obtain all necessary licenses and permits.

• Contractor must develop and maintain a Quality Control Program (QCP).

• Contractor must comply with all safety regulations, including EM 385-1-1.

• Contractor personnel must comply with security requirements, including AT Level I awareness training and background checks.

• Contractor must use E-Verify for candidate pre-screening.

• No smoking in or around Government facilities or while in contact with the public.

• No weapons, alcohol, or illegal substances allowed.

• Contractor must provide a letter from an approved sewage treatment plant for waste disposal.

• Contractor must provide a letter from the approved sewage treatment plant to the COR, showing that the sewage will be accepted during the term of this contract.

• Contractor must provide a written statement for each instance of waste disposal.

• Contractor must provide a telephone and means of contact 24 hours a day for emergency services.

• Contractor must provide a letter from the approved sewage treatment plant to the COR, showing that the sewage will be accepted during the term of this contract.

Form / Attachment / Pricing Sheet

This document lists FAR and DFARS clauses and provisions incorporated by reference or in full text. It serves as a comprehensive reference for contractual terms and conditions that will apply to any resulting contract.

• FAR Clauses Incorporated by Reference: Lists numerous Federal Acquisition Regulation (FAR) clauses, including those related to gratuities, subcontractor sales, confidentiality, System for Award Management (SAM) maintenance, small business set-asides, equal opportunity, service contract labor standards, combating trafficking in persons, employment eligibility verification, paid sick leave, encouraging policies to ban text messaging while driving, tax on foreign procurements, and payment by electronic funds transfer.
• DFARS Clauses Incorporated by Reference: Lists numerous Defense Federal Acquisition Regulation Supplement (DFARS) clauses, including those related to compensation of former DoD officials, whistleblower rights, antiterrorism awareness training, safeguarding covered defense information and cyber incident reporting, prohibition on acquisition of covered defense telecommunications equipment or services, expediting contract closeout, buy American and balance of payments program, preference for certain domestic commodities, prohibition regarding business operations with the Maduro regime, prohibition on certain procurements from the Xinjiang Uyghur Autonomous Region, prohibition regarding Russian fossil fuel business operations, utilization of Indian organizations, electronic submission of payment requests, levies on contract payments, requests for equitable adjustment, and transportation of supplies by sea.
• FAR Clauses Incorporated by Full Text: Includes full text for "Option to Extend Services" and "Option to Extend the Term of the Contract."
• Solicitation Provisions: Lists FAR and DFARS provisions incorporated by reference, including System for Award Management registration, instructions to offerors for commercial products and services, representation relating to compensation of former DoD officials, compliance with safeguarding covered defense information controls, notice on the use of the supplier performance risk system, representation regarding business operations with the Maduro regime, and prohibition on certain procurements from the Xinjiang Uyghur Autonomous Region.
• Addendum to Solicitation Provisions: Includes additional FAR and DFARS provisions, such as certification and disclosure regarding payments to influence federal transactions, evaluation of options, and security prohibitions and exclusions.
• Evaluation - Commercial Products and Commercial Services: Details the evaluation factors for award, including Technical, Past Performance, and Price.

This document is critical for bidders as it outlines all the mandatory legal and regulatory requirements that will govern the contract. Understanding these clauses and provisions is essential for preparing a compliant and competitive offer, assessing risks, and ensuring adherence to government standards throughout contract performance. Bidders should pay close attention to clauses related to small business, labor standards, data security, and any specific prohibitions or representations required.

Form / Attachment / Pricing Sheet

This document is a Wage Determination issued by the U.S. Department of Labor, Employment Standards Administration, Wage and Hour Division, under the Service Contract Act. It specifies the minimum wage rates and fringe benefits required for various occupations in Sonoma County, California.

• Lists numerous occupations categorized by general field (e.g., Administrative Support, Automotive Service, Health Occupations, Technical Occupations).
• For each occupation, it provides a code, title, and the corresponding minimum hourly wage rate.
• It also details required fringe benefits, including Health & Welfare and Vacation/Holiday policies.
• Includes specific notes and footnotes regarding applicability to certain roles (e.g., Computer Employees, Air Traffic Controllers) and special pay differentials (Hazardous Pay, Night/Sunday Pay).

This document is crucial for bidders responding to solicitations that fall under the Service Contract Act. It establishes the minimum labor costs that must be factored into proposals for covered contracts in Sonoma County, California. Bidders must ensure their proposed wages and benefits meet or exceed these determined rates to be compliant.

Form / Attachment / Pricing Sheet

This document is the NAVFAC / USACE Past Performance Questionnaire (PPQ), Form PPQ-0 (9/30/11). It is designed to collect feedback on a contractor's past performance on a specific contract. This information is used by the Government to assess performance risk for future solicitations.

• Contractor Information: Details about the firm, including name, address, contact information, CAGE code, and DUNS number.
• Work Performed: Specifies if the contractor acted as a Prime Contractor, Sub Contractor, Joint Venture, or Other, and the percentage of work performed.
• Contract Information: Includes contract number, type, title, location, award date, and completion dates.
• Project Description: Requires a description of the project's complexity and its relevance to the current solicitation.
• Client Information: Details about the client providing the feedback, including name, title, contact information, and their role in the project.
• Performance Ratings: A detailed rating system (Exceptional, Very Good, Satisfactory, Marginal, Unsatisfactory, Not Applicable) with definitions for evaluating various aspects of the contractor's performance, including:
  • Quality
  • Schedule/Timeliness of Performance
  • Customer Satisfaction
  • Management/Personnel/Labor
  • Cost/Financial Management
  • Safety/Security
  • General (response to emergencies, compliance, likelihood to rehire, overall rating)
• Remarks: A section for narrative feedback on strengths, weaknesses, deficiencies, or other relevant comments.

Bidders may be required to provide this questionnaire to their clients to complete and submit as part of their proposal. The completed questionnaire provides a client's assessment of the bidder's past performance, which is a critical factor in the evaluation of proposals for many government contracts. Bidders should understand the criteria and rating scales to ensure they can guide their clients in providing accurate and relevant feedback.

Form / Attachment / Pricing Sheet

This document is a pricing schedule for the Lake Sonoma Sewage Pumping Vault and Portable Restroom Rental Services, associated with Combined Synopsis/Solicitation Number W912P726QA003. It details the CLINs (Contract Line Item Numbers), services descriptions, quantities, units of issue, unit prices, and total costs for various services over a base year and four option years, including an optional extension.

• Base Year (CLINs 0001-0006): Covers services for Park Areas, including ADA Portable, Standard Portable, Standard Portable on Trailer, Gallons in Vault, and extra service calls.
• Base Year Option (CLINs 0007-0010): Covers services for Liberty Glen, including ADA Portable, Standard Portable, and extra service calls.
• Option Years 1-4 (CLINs 1001-4010): Similar breakdown of services for Park Areas and Liberty Glen as the base year, with corresponding quantities.
• Optional Extension (FAR 52.217-8): Includes provisions for a one-month extension of services.
• All unit prices and total costs are currently listed as $0.0, indicating that specific pricing will be determined or is to be filled in by the bidder.

This pricing schedule is critical for bidders to understand the scope of services required, the quantities expected for each service, and the structure for submitting their pricing proposals. Bidders must use this template to provide their unit prices for each CLIN, which will form the basis of their total bid. The quantities listed represent the government's estimated needs.