26-50_Scope_of_Work.pdf

EXHIBIT 2

SCOPE OF WORK

Automatic Backwash Filter Rehab Military Point Wastewater Treatment Plant

Tyndall AFB, Bay County, Florida

Project Background

Bay County Utilities Services (BCUS) is undertaking rehabilitation improvements to the existing Aqua-Aerobic Systems Automatic Backwash Traveling Bridge Sand filter system at the wastewater treatment facility. The project is intended to address aging and deteriorated filter components, improve operational reliability, and restore the system to proper working condition. Work generally includes removal and replacement of existing porous plates, filter media, piping, mechanical components, electrical/control components, and associated appurtenances required for continued operation of the treatment process.

The rehabilitation effort is intended to extend the service life of the existing infrastructure, improve maintenance accessibility, and reduce the risk of operational failures and process downtime. Work will be performed within an active wastewater treatment facility and shall be coordinated to minimize impacts to ongoing plant operations.

Existing components not specifically identified for removal and replacement under this Scope of Work shall remain in service and shall be protected from damage during construction activities. Any damage caused by the Contractor shall be repaired or replaced at no additional cost to the County.

Removal and Demolition Services

The Contractor shall provide all labor, materials, equipment, tools, supervision, transportation, and disposal necessary to complete the removal and demolition work associated with the filter rehabilitation project, including, but not limited to, the following:

Remove and properly dispose of all filter media located above and below the porous plates.

Provide dumpsters and disposal services for all waste materials generated during the project.

Remove all existing ¼-20 hardware, angles, rods, and porous plates.

Clean, inspect, and prepare all cells and ledges for installation of new porous plates following removal activities.

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Remove the existing wear strip and backwash shoe located within the effluent channel.

Remove the existing festoon system, including all electrical and signal cables, tow trolleys, and associated components.

Remove all existing rails and associated mounting hardware.

Remove the existing control panel and associated electrical components as required for demolition activities.

Remove existing level sensors and electrode holders.

Remove the existing drive train assembly, including wheels, shafts, bearings, drive motor, limit switches, and gearbox.

Remove all existing PVC backwash piping and associated appurtenances.

Coordinate demolition activities to prevent damage to adjacent structures, piping, electrical systems, and operational equipment.

Maintain site cleanliness and properly dispose of all removed materials in accordance with applicable local, state, and federal regulations.

Notify the County immediately of any damaged, deteriorated, or unforeseen conditions encountered during demolition activities.

Installation Services

The Contractor shall provide all labor, materials, equipment, tools, supervision, and incidentals necessary to complete installation and rehabilitation of the filter system components, including, but not limited to, the following:

Install new porous plates, angles, spacer rods, sealants, and associated hardware required for the filter system rehabilitation.

Furnish and install new filter media utilizing supersack bag delivery methods and equipment as necessary for placement.

Install the new control panel and associated electrical components required for operation of the rehabilitated system.

Provide all electrical wiring, terminations, programming modifications, calibration, testing, and commissioning required to place the rehabilitated filter system into full operation.

Install new rails and associated mounting hardware.

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Install a new festoon system, including electrical and signal cables, trolleys, and associated components.

Install a new wear strip and backwash shoe within the effluent channel.

Install new level sensors and electrode holders.

Install a new drive train assembly on the existing bridge, including wheels, shafts, bearings, drive motor, and gearbox.

Replace PVC piping associated with the backwash system as required to provide a complete and fully operational backwash system.

Verify proper alignment, installation, and operation of all installed equipment and components.

Coordinate all installation activities with plant operations to minimize operational interruptions and maintain facility functionality during construction activities.

Perform start up, commissioning, and operational testing of the rehabilitated filter system. Start-up activities shall include washing filter media, setting backwash pump flow rates, verifying bridge travel operation, confirming control panel functionality, testing level sensing equipment, and demonstrating proper operation of all rehabilitated system components prior to final acceptance.

Materials and Equipment

The Contractor shall furnish all labor, materials, equipment, tools, supervision, transportation, and incidentals necessary to provide a complete and operational rehabilitated filter system. Materials and equipment shall include, but not be limited to, the following components:

Underdrain System Components:

Ceramically bonded alumina porous plates.

Sealants and application tools.

Retaining angles and associated stainless steel hardware.

Stainless steel spacer studs and associated hardware.

Polypropylene wear strips.

Insert anchors and associated mounting hardware.

High-grade silica sand filter media conforming to applicable AWWA filtering material standards.

Anthracite filter media conforming to applicable AWWA filtering material standards.

Filter media shall provide a combined media depth of approximately fourteen (14) inches.

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Bridge Rail System Components

Painted steel bridge rails.

Stainless steel leveling plates.

Rail splice kits.

Galvanized rail clips.

Bridge stop angles.

Backwash Shoe Assemblies

Polypropylene backwash shoes.

Stainless steel center plates.

PVC backing plates.

PVC piping, fittings, and hoses.

Stainless steel hose clamps.

Backwash Shoe Tensioning Assemblies

Tensioning brackets.

Compression springs.

Tensioning rods.

Pump Discharge Flange Assembly

3-inch Schedule 80 PVC flange assembly.

PVC piping and fittings.

Directional and Travel Stop Switch Assemblies

Limit switches.

Stainless steel hardware.

Thread sealant materials.

Bridge Accessories

Level sensing electrode rods.

Level sensing electrode holders.

Bridge Drive and Idler Assemblies

Drive and idler shafts.

Filter bridge wheels.

Shaft stop collars.

Gearbox assembly.

Drive motor.

Self-aligning flanged bearings.

Grease fittings.

Mounting brackets and associated hardware.

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Electrical Cable Festooning System

Flat electrical and signal cables.

Cable connectors.

Trolleys.

End clamps and associated mounting hardware.

Control Panel Assembly

NEMA 4X stainless steel enclosure.

Circuit breakers, fuses, relays, and transformers.

Air conditioning unit.

Power supplies and line filters.

GFI convenience outlet.

Selector switches and pilot lights.

Allen Bradley 5380 CompactLogix PLC components, including processor, input/output cards, analog cards, and Ethernet switch.

Maple Systems Human Machine Interface (HMI) touchscreen display and sun cover.

Motor Starter(s)

Terminal Blocks

UL label(s)

Project Schedule

The Contractor shall submit a project schedule within ten (10) calendar days of Notice to Proceed.

All work shall be coordinated with Bay County Utilities staff.

Planned outages, shutdowns, or operational interruptions shall be scheduled and approved by the County in advance.

Engineering

1 Set of Operation and Maintenance Manuals (English language) in PDF format shall be submitted prior to final acceptance.

Supervision/Freight

Supervision Services and Freight Package(s) will be provided as follows:

o Installation services as described above.

o Freight to Jobsite.

It is the responsibility of the Contractor to unload all freight and inventory deliveries.

The Contractor shall be solely responsible for ensuring all personnel, subcontractors, suppliers, delivery drivers, and visitors comply with Tyndall AFB access requirements and security procedures. Any delays resulting from failure to obtain base access shall be the responsibility of the Contractor.

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Warranty

The Contractor shall warrant all labor, materials, equipment, and workmanship furnished under this contract for a period of one (1) year commencing upon final acceptance by Bay County Utilities.

Any defects identified during the warranty period shall be corrected at no additional cost to the County.

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