644-26-001 Plumbing Infrastructure Repairs Ext Site D-B Phoenix, AZ

Amendment / Modification

This amendment (0001) to solicitation 36C77626R0079, dated 04-27-2026, provides:

• Responses to all Phase I technical questions received prior to the closing date of May 6th, 2026, at 12:00 PM EST (see Attachment 10).

• An updated Service Wage Rate Determination for Maricopa County, dated April 29th, 2026 (see Attachment 11).

• Attachment 10: Tech Questions Tracker - Plumb Phoenix D-B - Phase I.

• Attachment 11: Service Wage Rates - Maricopa County - 4.29.26.

All other terms and conditions remain the same. Bidders should review the attached technical question responses and updated wage determination to inform their proposals. The deadline for receipt of offers remains unchanged unless otherwise specified in the original solicitation or subsequent amendments.

Questions & Answers / Clarifications

This document provides responses to contractor questions regarding the 644-26-001 Plumbing Infrastructure Repairs Ext Site D-B Project.

• Site Visit Scheduling: The project is a 2-Phase Design-Build solicitation. A pre-bid site visit date will be provided after Phase 1 proposal evaluation and once the Phase 2 amendment is issued to eligible bidders.
• Phase 1 Proposal Information: Refer to pages 8-14 of the solicitation for details regarding Phase 1 proposals.

Clarifies the process for site visits and directs bidders to specific sections of the solicitation for Phase 1 proposal details. No changes to submission deadlines or requirements are indicated by this Q&A.

Form / Attachment / Pricing Sheet

This document is a U.S. Department of Labor Wage Determination (No. 2015-5469, Revision No. 30) for the Service Contract Act. It establishes the minimum wage rates and fringe benefits required for various occupations when performing contract work in Maricopa and Pinal Counties, Arizona.

• Lists numerous occupational codes and titles.
• Specifies the minimum hourly wage rate for each occupation.
• Indicates that fringe benefits are required and follow the occupational listing.
• Details Health & Welfare benefits ($5.55/hour or $222.00/week) and specific Health & Welfare benefits under Executive Order 13706 ($5.09/hour or $203.60/week).
• Outlines paid vacation (2-4 weeks based on service length).
• Lists eleven paid holidays.
• Includes notes on Executive Orders 13706 (Paid Sick Leave) and 13658 (Minimum Wage).
• Provides guidance on the conformance process for unlisted classifications and wage rates.
• Details differentials for hazardous pay and uniform allowance.

This document is critical for bidders to understand the minimum labor costs associated with performing services under this contract in the specified geographic area. Bidders must ensure their proposed wages and benefits meet or exceed these requirements to be compliant. Failure to adhere to these wage determinations can lead to contract violations.

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

This project aims to provide engineering and construction services (design-build) for the replacement of the entire existing exterior facility water piping loop around the main buildings of the Carl T. Hayden VA Medical Center (VAMC) due to failures and deterioration.

• The contractor will be responsible for site investigations, design analysis, design, specifications, drawings, construction documents, materials, labor, equipment, supervision, and testing.

• The project involves replacing approximately 2,000 linear ft of 12" pipe, 2,000 linear ft of 10" pipe, 2,500 linear ft of 8" pipe, 2,500 linear ft of 6" pipe, and 4,000 linear ft of 4" pipe.

• Installation of a minimum of eight (8) each of 12", 10", 8", and 6" water shut-off valves, and twelve (12) 4" water shut-off valves.

• Installation of Water Hammer Arresters with inlet isolation valves.

• Installation of valve boxes and backflow preventers.

• Upgrade of the main hospital booster pump system, including pumps, motors, and VFDs.

• Construction of a small structure to house new water treatment equipment, including HVAC and proper ventilation.

• Disconnection of the water line from the parking garage loop to isolate it for the garage.

• Installation of shutoff valves to buildings around the main facility buildings, creating a loop and tying into all VAMC structures (approximately 8 tie-ins).

• Removal of abandoned plumbing, electrical, and wiring, and all construction debris.

• Coordination with the City of Phoenix for tie-ins to city water mains is the contractor's responsibility.

• Period of Performance: 455 calendar days from Notice to Proceed (NTP), comprising 150 days for design (including reviews) and 305 days for construction.

• Place of Performance: Carl T. Hayden VA Medical Center, Phoenix, AZ.

• The contractor must be a licensed Plumbing & Mechanical contractor in Arizona.

• Compliance with all VA, NEPA, federal, state, and local requirements, including VA standards, directives, specifications, infection control protocols, and life safety codes.

• Adherence to OSHA and VA Construction Safety Standards; supervisor must have 30-hour OSHA course, employees must have 10-hour OSHA course.

• Approximately 50% of work may impact patient care areas and require performance after normal working hours (9pm-6am) or during weekends.

• Site visits are mandatory prior to bidding and during the design and construction phases.

• Submittals for all equipment and materials require approval prior to installation.

• The contractor must provide a full-time, dedicated safety professional on-site.

• VA Privacy Training is required for personnel without access to VA computer systems or sensitive information.

• Materials must comply with FAR 52.225-9 and 52.225-10 (Buy American Act).

• Coordination with the Contracting Officer's Representative (COR) is required for all access and shutdowns.

• Shutdowns must be planned a minimum of three weeks in advance.

• As-Builts (DWG, RVT, PDF) are required upon closeout.

• The contract does not require connection to VA computer systems or direct access to sensitive VA information; therefore, no security accreditation package is required.

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

This document outlines the Stormwater Management Plan (SWMP) for the Phoenix VA Health Care System (PVAHCS) located at 650 E. Indian School Road, Phoenix, Arizona. The primary goal is to limit the discharge of pollutants into the stormwater system to the maximum extent practicable, in accordance with the Federal Clean Water Act and Arizona Stormwater Regulations.

• Facility Description: The PVAHCS campus is 38.5 acres with approximately 22 buildings. Stormwater is collected via storm drain inlets and pipes, conveyed to catchment basins, and also collected in drywells. There are no direct outfalls from the campus.

• Water Quality Concerns: Potential concerns include sediment from disturbed areas, fertilizers/pesticides from landscaping, and oil/grease from roadways and parking areas.

• Roles and Responsibilities: Defines responsibilities for the Medical Center Director, Capital Projects/Engineering staff (including updating maps, communicating permit requirements to contractors, ensuring permits are obtained, and evaluating contractor compliance), and contractors working on campus.

• Stormwater Program Enforcement: Prohibits illicit connections and discharges. Violators may face penalties, including potential USD C VN or referral to the U.S. Attorney's Office.

• Stormwater Management: Identifies potential pollutants (e.g., pesticides, sediment, oil, chemicals) and their sources (e.g., fuel storage, maintenance areas, construction projects, parking lots). It details Best Management Practices (BMPs) to reduce pollutant discharges, including Spill Prevention, Control, and Countermeasures (SPCC) plans, preventative maintenance of equipment (USTs, ASTs), and periodic audits by Federal, State, and Local agencies.

• Review Practices: Includes Preconstruction Review Procedures (site design review, NEPA process, low impact design evaluation), Stormwater Runoff Control During Construction Activities (following EISA, VA Site Development Design Manual, and Master Specifications), and Post-Construction Stormwater Management (ensuring installation and maintenance of controls for new development/redevelopment sites).

• Contractors are required to minimize pollutant discharge through their stormwater runoff control program.

• Routine construction site inspections will be conducted to evaluate compliance.

• Post-construction controls must reduce or eliminate pollutant discharge.

• The plan applies to the Phoenix VA HCS campus at 650 E. Indian School Road, Phoenix, AZ 85012.

• The plan is dated July 2024.

• Contractors must obtain necessary permits (e.g., ADEQ Construction Activity General Permit).

• Stormwater Pollution Prevention Plans (SWPPPs) must be submitted and approved prior to construction.

• Records of reviews and inspections must be maintained for five years.

• The Stormwater Management Plan is available electronically upon request.

Form / Attachment / Pricing Sheet

This document is a U.S. Department of Labor Wage Determination (No. 2015-5469, Revision No. 29) for the Service Contract Act, applicable to Arizona Counties of Maricopa and Pinal. It lists the minimum wage rates and fringe benefits required for various occupations when performing contract work covered by the Service Contract Act.

• Lists numerous occupational codes and titles (e.g., Administrative Support, Automotive Service, Health Occupations, Information Technology, Mechanics, etc.).
• Specifies the minimum hourly wage rate for each occupation.
• Indicates required fringe benefits, including Health & Welfare rates.
• Includes notes on Executive Orders 13706 (Paid Sick Leave) and 13658 (Minimum Wage), and their applicability to contractors.
• Outlines the process for requesting additional classifications and wage rates (Conformance Process).

Bidders must use this document to determine the minimum wages and benefits they are required to pay employees working on the contract. This is a critical factor in cost estimation and proposal development to ensure compliance with federal labor laws. Failure to comply can result in penalties.

Solicitation / RFP / RFQ

This solicitation is for a competitive Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside procurement for design and construction services. The project involves replacing the entire existing facility water piping at the Carl T. Hayden VA Medical Center in Phoenix, AZ, due to failures and deterioration. This includes running new piping, installing a VA-required water treatment system in a new structure, and connecting to campus buildings.

• Design and construction services for water piping replacement.

• Installation of a VA-required water treatment system with proper ventilation and temperature control.

• Disconnection of the water line from the parking garage to the loop.

• Installation of shut-off valves in proper valve boxes.

• Tie-in to all VAMC structures (approximately 8 tie-ins).

• Contract Type: Firm-Fixed-Price

• Period of Performance: 455 calendar days after Notice to Proceed (NTP).

• Magnitude of Construction: $2,000,000 to $5,000,000.

• Two-Phase Design-Build procedures will be used.

• Phase I: Technical Approach, Capability to Perform, Specialized Experience, Past Performance, Bonding Capacity.

• Phase II: Technical Solution, Schedule, Safety, Price.

• Proposals are due by 12:00 PM EST on 05-28-2026.

• Key deadlines: Phase I questions due May 6th, 2026, at 12 PM EST.

• This procurement is a 100% set-aside for Service-Disabled Veteran-Owned Small Business (SDVOSB) concerns.

• Offerors must be certified as SDVOSBs by the SBA and listed in the SBA certification database at the time of proposal submission and award.

• A pre-proposal site visit is scheduled for Phase II.

• Bid Guarantee required (20% of bid price, not to exceed $3,000,000).

• Payment and Performance Bonds will be required upon award.

Form / Attachment / Pricing Sheet

This document appears to be a site plan or map related to the Phoenix VA Health Care System (VAMC) campus. It shows the layout of various buildings and infrastructure, including water lines (indicated by blue and cyan lines) and potentially other utilities or pathways (red and magenta lines).

• Labeled buildings (e.g., BLDG 1, BLDG 2, BLDG 13, BLDG 20, BLDG 21, BLDG 22, BLDG 23, BLDG 24, BLDG 25, BLDG 26, BLDG 27, BLDG 29, BLDG 31, BLDG 34, P-GARAGE).
• Roads and pathways (e.g., 7th STREET, EAST INDIAN SCHOOL ROAD).
• Utility lines, specifically water lines.
• A note indicating "CAD AVAILABLE UPON REQUEST".

This attachment is likely relevant for understanding the physical site where work may be performed, particularly if the opportunity involves construction, maintenance, or utility work at the Phoenix VAMC. Bidders may need to reference this map to understand site access, existing infrastructure, and the location of specific buildings or areas of interest for the project. The availability of CAD files upon request suggests that more detailed technical information can be obtained.

Form / Attachment / Pricing Sheet

This document, titled "Construction Management Stormwater Pollution: A Guide to Construction Management Best Management Practices," serves as an informational brochure for construction sites regarding stormwater pollution prevention. It outlines requirements and best practices for managing stormwater runoff from construction activities within the City of Phoenix.

• Preventing Pollution: Details on proper handling and storage of chemicals, containment of concrete washouts, inspection and maintenance of Best Management Practices (BMPs), covering dirt/sand piles, and training for personnel.
• Sediment Control: Guidance on protecting storm drain inlets, minimizing erosion with BMPs (e.g., straw wattles, filter socks, silt fences), stabilizing soil piles, managing track-out, and maintaining BMPs.
• Paperwork and Permits: Outlines City Code 32C requirements, the need for Arizona Construction General Permit (CGP) coverage for projects over one acre, and the necessity of a Grading and Drainage permit linked to state authorization. It also details the requirements for Storm Water Management Plans (SWMP) and Storm Water Pollution Prevention Plans (SWPPP), preliminary meetings, site entrance displays, field inspection reports, and the final Notice of Termination (NOT).
• Contact Information: Provides contact details for the City of Phoenix Water Services Department, Environmental Services Division, Stormwater Management Section, including hotlines for general stormwater inquiries, commercial issues, illegal dumping, and emergency services.

This document is crucial for any bidder involved in construction projects within Phoenix. It clearly defines the regulatory framework, permit requirements, and mandatory best management practices for stormwater pollution control. Bidders must understand these requirements to accurately estimate project costs, develop compliant work plans, and ensure successful project execution. Failure to comply with these stormwater management regulations can lead to permit denials, project delays, and penalties.

Form / Attachment / Pricing Sheet

This document is a "VA Notice of Limitations on Subcontracting—Certificate of Compliance for Services and Construction." It requires offerors to certify their compliance with subcontracting limitations if awarded a contract. This is a mandatory certification for the solicitation.

• Certification Requirement: Offerors must certify that they will comply with subcontracting limitations as provided in the solicitation and resultant contract.
• Specific Limitations:
  • Services (except construction): Not more than 50% of the amount paid by the government to firms that are not certified SDVOSBs or VOSBs.
  • General Construction: Not more than 85% of the amount paid by the government to firms that are not certified SDVOSBs or VOSBs. Cost of materials are excluded.
  • Special Trade Construction: Not more than 75% of the amount paid by the government to firms that are not certified SDVOSBs or VOSBs. Cost of materials are excluded.
• Consequences of False Certification: Acknowledges that false certification may lead to criminal, civil, or administrative penalties, including prosecution.
• Compliance Verification: Offerors may be required to provide documentation (invoices, subcontracts) to demonstrate compliance during contract performance and upon completion.
• Cooperation: Offerors agree to cooperate fully and provide requested documents.
• Offeror Completion: The certification must be completed, signed, and returned with the offer. Failure to provide it will render the offer ineligible for award.

Bidders must carefully review the subcontracting limitations applicable to the type of contract (services, general construction, or special trade construction). This form must be accurately completed and submitted with the bid, quotation, or proposal. Failure to do so will result in the offer being deemed ineligible for award. The specific percentage limitations (50%, 85%, or 75%) are critical for proposal planning and subcontracting strategy.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire (PPQ) intended for use by a client to evaluate an offeror's past performance on a contract. The completed PPQ is to be incorporated into the offeror's proposal and will count towards the proposal's page limitation.

Section 1: Contract Information (Contractor to complete)

• Contractor Information (Name, Address, POC, Contact Info)
• Work Performed As (Percentage of project)
• Contract Information (Title, Number, Type, Location, Dates, Price - Original and Final)
• Project Description (Scope, Relevance to current submission)

Section 2: Evaluator Information (Client to complete)

• Verification of Section 1 information.
• Evaluation of contractor's ability to perform work based on:
  • Quality
  • Schedule/Timeliness of Performance
  • Communication
  • Management/Personnel/Labor
  • Cost/Financial Management
  • Subcontract Management
• Summary rating (Would you hire/work with again?)
• Additional Comments
• Adjectival Ratings Definitions (Outstanding, Above Average, Satisfactory, Unsatisfactory, Not Applicable)

Bidders must provide this form to their clients or past contracting officers to complete. The completed questionnaire is a required part of the proposal submission and will be used by the government (VHA-PCAC) to evaluate the offeror's past performance. Bidders must ensure the PPQ is completed and returned to them in time to be included in their proposal submission by the stated deadline.

Form / Attachment / Pricing Sheet

This document is a "Project Information Sheet for Contractors" that requires bidders to provide detailed information about their past performance on relevant contracts. This form is intended to gather specific details about projects to assess the offeror's experience in accordance with the Request for Proposal (RFP) instructions.

• Offeror Information: Company name, role (prime/subcontractor).
• Contract Details: Contract/Project Number, Project Title, Location, Award Amount, Final Amount, Award Date, Completion Dates, Type of Contract.
• Personnel: Contracting Officer/POC, Owner's Project Manager/POC (with contact information).
• Project Performance: Number of Change Orders and reasons, OSHA Citations (if applicable).
• Subcontractors: List of major subcontractors with POC and phone numbers.
• Narrative: Detailed description of work performed and its relevance (very relevant, relevant, or somewhat relevant) to the current opportunity.

Bidders must complete this form for each contract/project submitted to demonstrate their experience. The NAICS code provided (237110 – Water and Sewer Line and Related Structures Construction) indicates the type of work the government is seeking. The detailed information requested, particularly the narrative on performance and relevance, will be crucial for the government's evaluation of the bidder's qualifications and past performance.

Form / Attachment / Pricing Sheet

This document is a General Decision Number (GDN) for wage rates applicable to Building Construction Projects in Maricopa County, Arizona. It specifies the prevailing wage rates and fringe benefits for various construction trades as determined by the U.S. Department of Labor. Bidders must use these rates to comply with labor standards for relevant federal contracts.

• General Decision Number: AZ20260039
• State: Arizona
• County: Maricopa County
• Construction Type: Building (excluding single-family homes/apartments up to 4 stories)
• Effective Date: 01/02/2026 (Publication Date)
• Trades Included: Bricklayer, Carpenter, Electrician, Power Equipment Operator (Bulldozer, Crane), Ironworker, Pipefitter, Plumber, Sheet Metal Worker, Cement Mason/Concrete Finisher, Drywall Hanger, Laborer (Common/General, Mason Tender, Pipelayer), Operator (Backhoe/Excavator/Trackhoe, Loader, Roller), Painter, Tile Setter.
• Executive Order Information: Includes notes on Executive Order 13706 (Paid Sick Leave) and Executive Order 13658 (Minimum Wage for Federal Contractors), outlining applicability and requirements.
• Appeals Process: Details the procedure for appealing wage determination decisions.

This document is crucial for bidders to understand the minimum wage and fringe benefit requirements for laborers and mechanics employed on covered construction projects. It directly impacts labor costs and compliance obligations. Bidders must ensure their proposals and subsequent contract performance adhere to these specified wage rates.