Attachment 01- SOW-VLSB 24-0058-10 Jul 26.pdf

VLSB 24-0058

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DESIGN/ BUILD

STATEMENT OF WORK

FOR

Well 4 PFAS/PFOA

Treatment facility and Supporting Equipment

DATE July 10 2026

PROJECT: VLSB 24-0058

SCOPE OF WORK:

1.1 General

This requirement is for a construction contract to install a Ion Exchange (IX) Resin System and upgrades to the Base Well #4.

The Contractor shall be responsible for planning, designing, constructing, and managing all activities necessary to achieve the objectives of this Statement of Work (SOW). The Government will not direct or control the Contractor’s construction means and methods but will evaluate performance based on compliance with the objectives and acceptance criteria defined herein.

1.2 Purpose

The purpose of this SOW is to define the requirements, performance outcomes, and constraints for the construction effort while allowing Offerors the flexibility to propose effective and innovative design and construction solutions. The Contractor shall develop the detailed technical approach and supporting documentation necessary to meet the requirements of this SOW.

1.3 Background

Well #4 PFAS and PFOA PPT currently exceed the Federal limits of 4 PPT. 20th CES has already installed a IX resins bed system at Well #3. The purpose of this project is to repurpose most of that design and install IX resins bed system at Well #4 and reduce the PFAS/PFOS to non-detect.

BASE BID (CLIN 0001):

The Contractor shall develop and execute a complete design solution necessary to achieve the following:

The design shall result in safe, constructible, code-compliant systems that meets all performance outcomes defined in this SOW.

The Contractor is responsible for ensuring the design fully supports installation, testing, commissioning, and start up of the building.

2.1 Design Outcomes

The Contractor’s design shall achieve the following outcomes:

Constructible Design

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• Design documents shall be sufficiently detailed to allow construction, installation, and commissioning without reliance on undocumented assumptions or field improvisation.

• Design shall accurately reflect verified existing conditions.

System Integration

• Design shall integrate the electrical system into a coordinated solution that meets all SOW requirements.

• Interfaces between systems shall be clearly defined.(Ex: Water, Electrical, and

Controls)

Code and Standards Compliance

• Design shall comply with all applicable NEC, UFC, NFPA, OSHA, IBC, and

Shaw AFB design standards.

• Conflicts between standards shall be identified and resolved during design development.

Operational and Maintenance Considerations

• Design shall support safe access, isolation, lockout/tagout, inspection, and maintenance.

• Equipment layouts shall minimize operational disruption during maintenance activities.

Safety

• Design shall incorporate features necessary to ensure safe operation, personnel protection, and emergency response.

2.2 Design Deliverables and Reviews (Applicable to all CLINS) The Contractor shall develop and submit design deliverables in progressive stages to support Government review and validation.

2.2.1 Design Submittal Stages

65 Percent Design

• Demonstrates the proposed technical approach and system architecture

• Identifies major equipment, system layouts, and interfaces

• Addresses compliance with applicable codes and standards

• Identifies risks and proposed mitigation strategies

95 Percent Design

• Incorporates Government review comments from the 65 percent submittal

• Includes all calculations, details, and system integration necessary for construction

100 Percent Design ISSUED FOR CONSTRUCTION (IFC) Drawing set

• Provides a complete, coordinated, and constructible design

• Incorporates Government review comments from the 95 percent submittal

2.2.2 Design Format and Standards

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• Design documents shall be submitted in formats compatible with Government review and recordkeeping requirements. The contractor shall submit two paper copies per design phase. ANSI C 17 x 22

• Drawings shall be provided in AutoCAD format compatible with

Government standards.

• Supporting documentation shall be provided in industry-standard electronic formats.

2.3 Design Responsibility

The Contractor is solely responsible for:

• Developing the design necessary to meet all SOW requirements

• Coordinating design across all disciplines

• Verifying existing conditions

• Resolving constructability issues prior to installation

• Ensuring the final design supports successful Site Acceptance Testing (SAT)

Government review and approval of design submittals does not relieve the Contractor of responsibility for the adequacy or correctness of the design.

2.4 Verification

Design compliance shall be verified through:

• Government review and approval of design submittals

• Successful completion of construction and installation

• Successful Site Acceptance Testing (SAT)

• Acceptance of final as-built documentation

2.5 Period of Performance

The Contractor shall complete all design and construction activities necessary to meet the objectives within the periods of performance established below. The Contractor is responsible for developing a detailed schedule and phasing plan that achieves timely completion while minimizing operational impacts.

2.5.1 Design Phase Period of Performance

• The Design Phase shall not exceed 120 calendar days from the date of design Notice to Proceed (NTP).

• Govt Review per submittal is 2 weeks.

• The Design Phase includes all activities necessary to develop a complete, coordinated, and constructible design sufficient to support construction, testing, and commissioning.

Design Phase Deliverables shall include, at a minimum:

• A design schedule identifying milestones and review periods

• Progressive design submittals (e.g., 65%, 95%, and final design IFC)

• Identification of construction sequencing and phasing considerations

2.5.2 Construction Phase Period of Performance

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• The Construction Phase shall not exceed 210 calendar days from the date of construction Notice to Proceed (NTP).

• The Construction Phase includes installation, integration, testing, commissioning, Site Acceptance Testing (SAT), and delivery completed final DD1354.

• No Govt furnished equipment. The contractor shall purchase and install all equipment. All equipment shall be onsite prior to the start of construction phase. Contractor is responsible for storage and security of all equipment.

2.5.3 Contractor project close out Phase Period of Performance

• The Close out Phase shall not exceed 30 calendar days.

• The Close out Phase includes delivery of as-built documentation, O&M

Manuals, and Warranties.

• As-Built Documentation.

o Reflect the final installed building and equipment.

o Includes all approved design changes, field modifications, and corrections o Represents the authoritative record of the constructed systems

2.5.4 Contractor-Developed Schedule and Phasing Plan

The Contractor shall develop and submit a detailed project schedule and phasing plan for Government review and approval. Due 2 Weeks after NTP. The schedule and phasing plan shall:

• Identify design and construction activities, milestones, and durations

• Address sequencing of work across CLIN and buildings

• Account for working within and around Well 4

• Identify planned outages, access constraints, and coordination requirements

• Support timely completion within the established periods of performance

The Contractor may propose concurrent or overlapping design and construction activities provided all objectives of this SOW are met and Government approval is obtained.

2.5.5 Government Review and Acceptance

Government review and approval of the Contractor’s schedule and phasing plan does not relieve the Contractor of responsibility for meeting the performance objectives or the overall periods of performance established in this SOW.

The Government reserves the right to require adjustments to the Contractor’s proposed schedule and phasing plan to address mission or operational needs.

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The Contractor may propose alternative scheduling approaches provided the maximum periods of performance are not exceeded.

3.1 Well 4 (B2004) Design and Installation:

o The contractor shall Design and install a new IX Resins bed PFAS/PFOA remediation facility.

o Provide a design for the installation and integration of a new IX Resin bed system.

o Remove and replace the existing piping: From the main Well 4 pump motor to the static mix.

o All new piping shall be insulated and heat traced.

o Install a pre-lube water line that includes a new solenoid and check valve.

The contractor shall integrate the solenoid valve control into the exist PLC/SCADA control system. When the well is requested to start the solenoid valve will open and fill the main motor shaft with potable water. The solenoid valve shall close after the main well is running.

o Install a new Soda Ash Chemical feed hopper/slurry mixer. The contractor shall return the old one to the Govt. The new Soda Ash Chemical feed hopper/slurry mixer shall be integrated into the existing PLC/SCADA system.

o The contractor shall also integrate any new alarms and controls in the existing PLC/SCADA system.

o Three design submittals (65% ,95% and 100%) and a permit application will be prepared to construct the new IX system for submittal to South Carolina Department of Health and Environmental Control. Independent utility locating and geotechnical and topographical surveys will be performed by the project team. The area of disturbance is less than ¼ acre so no stormwater pollution prevention plan (SWPPP) is required to complete the work.

o The Air-stripper effluent will be intercepted on the discharge of the air-stripper pump that currently provides water to the distribution system. A manifold will be installed on the discharge line that will allow water to be diverted to and from the new IX system, and a bypass will be included to allow the IX system to be taken off-line, if needed. All new piping in this area will be heat traced and insulated o A 30 ft wide by 40 ft long concrete foundation will be constructed for the IX treatment system, bag filters, and booster pump in the southeast corner of the site. The new foundation will include a 6-inch (”)-high containment curb, a 2-ft square floor sump, and concrete pads for the equipment. All concrete will be sealed. The concrete slab thickness shall match the Well 3 Design.

The floor sump shall be connected the sanitary drain line. See Site utility attachment.

o An 8” buried Class 52, ductile iron (DI) pipe will be installed between the air stripper and new IX treatment pad so access to BW#4 can be maintained.

Above-ground piping will also be 8” DI with flanged joints. IX vendor or bag filter skids will employ either DI, epoxy-lined carbon steel, or stainless

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steel, and will be 6” pipe. All piping will be suitable for potable water, compliant with the American Water Works Association (AWWA), and National Sanitation Foundation (NSF-61)–approved. Duplex, stainless steel, 600 gpm bag filters with 6” pipe will be included. Each bag filter will have a minimum of six (6) No. 2 size bags to meet the 600-gpm design flow.

o The duplex IX system will consist of two 8-ft diameter tanks and a 6” manifold. The system will be rated for 600 gpm and will be able to be operated in parallel, series, or with one of the vessels offline. Each IX vessel will be epoxy-lined carbon steel. All internal components will be NSF-61 compliant. The vessels will be rated for 125 PSIG. The proposed resin vessels will have inlet and outlet screens, pressure relief, manual air vent, bottom drain, and intermediate sample ports.

o The duplex IX system shall also have a raised platform for the water shop to access the tanks top side opening.

o One 600-gpm booster pump will be provided. The pump will be installed after the IX to ensure proper performance so there are not two pumps in series. The new pump will be certified by NSF-61 and equipped with a 15– 20 horsepower motor and VFD to overcome the IX system pressure drop.

o A sump pump is included in the design and will have a 2” discharge installed to the sewer. The sewer tie in location is currently uncertain, but it is assumed that a connection is available within the currently fenced in area near the existing buildings. All floor-sump piping will be polyvinyl chloride (PVC), Schedule 80, and heat traced and insulated.

o Three new pressure-indicating transmitters will be included to monitor bag-filter inlet, bag-filter discharge, and IX discharge during operations. A sump high level floor switch will be included to detect a major leak. System controls and electrical upgrades will be included. A new 150-amp IX power distribution panel will be located at the IX pad and supply power to the booster pump, all exterior heat tracing, outside lighting, the sump pump, and two adjacent receptacles. Underground and above-ground power and communication raceways will be PVC and RGS conduit, respectively. Two above-ground light poles, a ground ring, and lighting protection will also be included for the IX System.

o One 30-ft wide by 40-ft long by 16-ft eave height Pre-Engineered Metal Building (PEMB) will be designed and erected to comply with the SOW. The PEMB engineer will seal the building design submittals.

o The building will be equipped with heating, ventilation and air conditioning for temperature control. One 800 CFM makeup air unit with heating/cooling will be provided along with an exhaust fan/louver for added ventilation and a high bay circulation fan for air mixing.

o All design and construction shall comply with Shaw AFB design and construction standards.

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o The contractor shall provide a 20 year manufacturer roof warranty up to the original cost of the roof. The unlimited dollar limit will not be a requirement on this project.

o The Contractor shall be responsible for all actions and costs associated with the investigation and management of potentially contaminated soil within the project area. Prior to beginning excavation, the Contractor shall investigate possible sources of historical contamination. Contractor shall characterize potential soil contaminants found within the project area based on this investigation. Should analytical results indicate that contaminant concentrations exceed the action levels established by federal, state, or local regulations, the Contractor shall be responsible for the complete excavation, handling, transportation, and legal off-base disposal of all contaminated soil.

All activities must be performed in strict accordance with all applicable environmental laws and regulations and Shaw AFB environmental policy.

The Contractor must maintain and provide to the government complete documentation of all sampling, testing, analysis, and disposal activities. All waste shipped from SAFB on a hazardous waste manifest must be signed by an authorized government employee designated by the 20FW Commander.

• Well 4 (B2004) System start up:

o Process piping and tank pressure testing in accordance with AWWA C600.

o Internal vessel inspections prior to media loading will be completed with the

IX manufacturer.

o System flushing, disinfection (24 hour) and post pipe flushing will be performed in accordance with AWWA C651.

o The IX media will be loaded in the vessels once the vessels and piping are disinfected. After Media loading, the vessels will be backwashed (if required) to prepare for operation.

o Once water can be introduced into the system, all controls will be tested to ensure they are properly connected to the PLC. All analog signals will be verified to accurately report data. Alarm interlocks will be verified.

o Once confirmed ready for operation, the system will be turned on, and approximately 20,000 gallons of water will be treated and discharged to a temporary storage tank at a treatment rate of 600 gpm. IX influent and effluent PFAS samples will be collected to confirm influent water quality and that effluent PFOS and PFOA samples are non-detect (ND). All water will be discharged to the sewer once ND for PFOS and PFOA is confirmed.

o After commissioning and analytical sampling results confirm ND levels of PFOS and PFOA, ASL will start up and operate the system working with the current licensed facility operator.

o During start-up and optimization, the existing operations staff will be trained on operation and maintenance of the system.

o PFAS sampling (EPA Method 1633) of the Influent, Lead 25%, Lead 50%, Lead 100%, and Lag100% will be performed. This testing will be completed weekly for the first four weeks, and once the following month for a total of

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twenty-five PFAS samples. During operation, pressure measurements will also be collected five times per week for the first week, and weekly thereafter. While on-site, PDT personnel will train the existing operator on proper monitoring and operation.

o An operations and maintenance manual will be prepared for the added IX system. The manual will describe the added equipment; provide operating, monitoring and maintenance procedures; and include applicable vendor manuals and log forms to monitor its performance. A completion report/technical memorandum will be prepared to include a summary of all work completed, all daily quality control reports, and all other project submittals associated with the project.

The Contractor shall design and implement a system that also achieves the following outcomes:

Operational Safety

1. Fully functional Well 4. That meets or exceeds the South Carolina Department of Environmental Services (DES) water requirements.

Control and Monitoring

2. Fully functional Well 4. That is integrated into the new Supervisory control and Data Acquisition (SCADA) system. The Well functionality shall be tested as part of Site Acceptance Test (SAT).

3.1.2 Constraints

The Contractor’s solution shall meet the following constraints:

Codes and Standards Comply with all applicable NEC, UFC, NFPA, OSHA, and Shaw AFB design standards.

Existing Conditions

Well 4 GPM

600GPM

Well 4 Power Feed from T2004A 240/120VAC High Leg Deta

Transformer.

Main VFD Fed from step up transformer 75kVA 240 to

480VAC

Air stripper VFD fed from step up transformer 45kVA

240 to 480VAC.

Environmental Monitoring wells and treatment lines near Well 4.

Operational Environment

All construction work shall be completed within the construction POP.

Well 4 Construction outage. Contractor will require approval prior to starting work.

Maintainability

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The contractor shall provide permit access to tank tops where the end user can open the access point without using a ladder.

3.1.3 Verification and Acceptance

Performance shall be verified through:

• Government review and approval of design submittals

• Functional testing of:

o Well 4 o PFAS/PFOA Filters o Air Stripper

• Site Acceptance Testing (SAT) demonstrating:

Independent operation.

Ability to start up safely without damaging personnel or equipment.

Ability to shut down safely without damaging personnel or equipment.

Fault detection and indication.

• Delivery of as-built documentation and O&M manuals

4.0 Attachments and Reference Information

The attachments provided with this solicitation are furnished for information and reference purposes only. They are intended to illustrate existing conditions, typical system configurations.

4.1 Use of Attachments

Offerors may use the attachments to:

• Understand existing conditions and operational constraints

• Inform development of proposed technical solutions

• Identify interface considerations with existing infrastructure

Offerors shall develop solutions that meet the requirements and constraints of this SOW, regardless of whether the proposed solution differs from the configurations shown in the attachments.

4.2 Brand Neutrality

Nothing in this SOW or its attachments shall be construed as requiring, favoring, or excluding any specific manufacturer, brand name, or proprietary system.

Proposed solutions may utilize any commercially available or custom-designed systems that meet the objectives, performance outcomes, and constraints defined in this SOW and comply with applicable codes and standards.

4.3 Contractor Responsibility

The Contractor is responsible for:

• Selecting systems, components, and materials that meets the SOW requirements

• Ensuring compatibility with existing conditions where required

• Demonstrating through design, testing, and Site Acceptance Testing (SAT) that the proposed solution satisfies all performance requirements

Offerors shall not assume that attachment examples represent the Government’s preferred or baseline solution.

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Where existing infrastructure interfaces are retained, the Contractor is responsible for ensuring compatibility with existing conditions.

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Attachments

1. Well 3 As Builts

2. Well 4 Site Utilities

3. Shaw AFB Design Construction Standards

4. A_E_C CAD Standard_Release

5. Site Overview

6. UFC 3-410-01-2025-C1

7. UFC 3-410-04-2017

8. UFC 3-420-01-2021

9. UFC 3-810-01-2025

10. DD Form 1354

11. AF Form 66

12. Well 3 Site Pictures

GENERAL DESIGN AND CONSTRUCTION NOTES:

Any references to State Government, Federal Government, or Industry standards or specifications made herein shall form a part of this specification to the extent referenced thereto and all materials and workmanship under this contract shall comply with or exceed these standards and references. All referenced standards shall be the latest edition.

All drawings shall be sealed, signed and dated by a Professional Engineer (PE) and/or Registered Architect (RA), currently registered in the state of South Carolina, and is a design professional in the area covered by the sheet(s) of the drawings they seal.

The Contractor shall show all calculations on the drawings in lieu of a separate document, except where specifically allowed by the Shaw AFB Design Engineer.

The contractor shall include make, model number and inherent operational characteristics on the drawings for all of major equipment supplied for the facility.

The Contractor shall supply manufacture’s cut sheets with the submittal where the component is identified.

Where specific part numbers or manufactures are referenced, it shall be understood that the contractor may use an approved equal.

All manufactured equipment and products shall be new materials in good condition and installed as per manufacturer's latest printed instructions, unless specified otherwise herein.

The Contractor is responsible for protection of existing facilities equipment from damage during installation and testing operations.

Contractor shall take into account the special treatment of hazardous waste, as well as the environmental implications related to building demolition management (i.e. fluorescent lighting tubes, t-stats, etc.). Every effort shall be made to recycle eligible materials, and those not suitable, shall be disposed of off base in accordance with all (SCDHEC) South Carolina Department of Health and Environmental Control regulations.

Any refrigerant amounts removed or installed shall be documented and the information shall be provided to Shaw AFB.

If any submittal doesn’t, in the opinion of the Contracting Officer, meet or exceed the requirements contained within this SOW, in the Shaw AFB Design Standards or in any referenced design guidance or nationally recognized code then it shall be considered to be unacceptable and returned to the Contractor for correction and

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resubmission. The Contracting Officer has the option, in lieu of disapproval, to provide acceptance of a submittal with required corrections identified if it is determined the submittal is substantially complete and correct.

Ensure that any demolition, utility cut and capping, and debris removal service performed at Shaw AFB, South Carolina in completed in such a manner that will restore a neat and professional appearance of base areas.

The facility/area shall be cleaned in its entirety, including exterior areas, before being returned the government.

WARRANTY:

Contractor shall furnish a minimum one year warranty against defects in material and workmanship starting on the beneficial occupancy date.

GENERAL INFORMATION:

The contractor shall provide all management, tools, supplies, equipment, labor, and applicable licenses and permits necessary to complete the requirements within. All work shall be done in strict accordance with this Statement of Work and subject to the terms and conditions of the contract and in accordance with (UFC) Unified Facilities Criteria, Unified Facilities Guide Specifications (UFGS), the International Building Code (IBC), International plumbing code (IPC), South Carolina Department of Health and Environmental Control (SCDHEC), National Electrical Code (NEC), National Electrical Safety Code (NESC), National Fire Protection Association (NFPA), EPA 402-K-01-001 (2008), South Carolina Department of Transportation (SCDOT), South Carolina Department of Health and Environmental Control (SCDHEC) Shaw Air Force Base Design and Construction Standards, Change 2, 21 Aug 2018 and all other applicable codes.

Contractor is responsible for verifying all dimensions, quantities and square footages. All dimensions, quantities and square footages included are approximations. Construction and demolition shall be in strict accordance with the Shaw Air Force Base Design and Construction Standards. The information provided in this Statement of Work (SOW), the provided drawings, and the requirements of the Shaw Air Force Base Design and Construction Standards shall be determined to be the minimum standards required in this project.

The contractor shall video all areas in which work shall occur prior to starting work to include interior and exterior of the project site. UFC’s take precedence over all standards, codes and Shaw AFB Design Standards and requirements that pertain to the work within this SOW.

During construction, the contractor shall take care not to damage existing structures, etc. that will not be replaced as part of this contract. Contractor shall be responsible for the temporary support of all devices as required to perform work.

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Any demolition work that needs to be accomplished to complete the contract is the responsibility of the contractor. All material shall be installed per manufacturers’ recommendations. All items listed in the SOW are to be supplied and installed by the contractor unless otherwise noted. The contractor shall be responsible for removing and reinstalling or relocating any obstructions, utilities, or components that will impede the work to be accomplished in this SOW.

A pre-construction meeting will be held at Shaw AFB to include the Contractor and Government representatives. The Government shall set up this meeting, to be held on Shaw AFB, with the Contractor and Government representatives, to discuss all remodel requirements, as well as any other construction issues the Contractor may have. All finishes shall be presented to the project inspector as one submittal for selection and approval prior to installation. All material that could be discontinued shall be on-site, i.e. carpet and tile prior to starting project so there will be no difference in color.

All Contractors shall be responsible for submitting a completed DD1354 (AUG 2013 edition, PDF file) with each progress payment request (beginning at 50% construction completion). This form shall be marked "Draft" until the Contractor has reached approximately 90% completion, or when it has been determined that funding will not be adjusted due to modifications. The Contractor shall have a reviewed and accepted DD1354 submitted to the Government Inspector two (2) weeks prior to the scheduled final inspection date (i.e. Placed In Service Date). This reviewed and accepted DD1354 shall be marked "Interim" until the final inspection occurs.

PERMITS:

The contractor shall pay for and obtain any required permits. The contractor shall act in accordance with this Statement of Work, SCDHEC, Federal, and Shaw AFB guidelines.

WORKING CONDITIONS:

The Contractor shall take all precautions to insure that his operations are conducted in a manner as to minimally interfere with the normal operations of the base and the safety and convenience of the base personnel. The contractor shall coordinate utility outages with the Civil Engineering Squadron (CE) service call and the user.

ASBESTOS Testing:

No Asbestos located within the work area. See attached asbestos test report.

DEBRIS HAULING AND DISPOSAL:

Contractor shall use an approved hauling route to prevent interference with base operations. In order to prevent problems with traffic, noise, wear and tear on roads, CUI

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or other problems having the potential to adversely affect health, safety, or the environment, the government reserves the right to regulate routes, intervals, delivery points, and times for hauling.

All debris hauled by the contractor shall be enclosed to prevent leaking, spilling, or blowing. The Contractor shall ensure all debris or dirt is promptly removed from any transportation route if such debris is spilled, blown, or leaked from hauling equipment and vehicles. The contractor shall remove all dirt and mud caused by tracks of hauling equipment within one hour of notification by the Government. All demolition debris collected by the contractor shall be housed dumpsters and covered at all times and disposed of in an authorized landfill or transfer station. No disposal or burning is allowed on base. The contractor shall provide the government inspector with an electronic copy of each dump receipt on the following work day by 0800 with the daily report.

DAILY REPORTS:

The contractor shall provide the government with an electronic copy of each dump receipt along with the daily report by 0800 the following work day. All daily reports will be submitted in RAKEN format and shall include pictures of work performed for each day.

END OF STATEMENT OF WORK

PROJECT: VLSB 24-0058