Carpenters Bridge Crossing 500,000-Gallon Elevated Water Storage Tank

Key Accomplishments

Johnston Construction Company

• JCC performed its work under subcontract to CB&I Storage Tank Solutions, LLC, which held the prime contract with Tidewater Utilities, Inc. for the Elevated Water Storage Tank project.
• JCC’s scope supported construction of the 500M WSD / 154-foot top capacity level elevated water storage tank, including site work, foundation support, piping, utility work, electrical coordination, testing, documentation, and related construction support.
• Major work included tank pile foundation support, reinforced concrete pile cap, ring wall, grout ring, floor slab, test piles, reaction piles, pile load testing, site work, water mains, overflow piping, splash pad, storm drainage piping, site entrance, gravel work area, site grading, sediment and erosion control, and related tank facility work.
• JCC’s scope included watermain work from the tie-in point at the front of the site into the interior of the tank, piping and valves, crossover piping, overflow piping, sump pump and PVC piping, tank electrical coordination, grounding, instrumentation coordination, generator work, future conduits through the foundation, and electric fence gate operator work.
• The work required coordination with CB&I Storage Tank Solutions, Tidewater Utilities, Beacon Engineering, utility providers, tank design and erection personnel, pile foundation subcontractors, electrical and instrumentation suppliers, testing agencies, inspectors, and project stakeholders.
• The project required compliance with the executed subcontract, Tidewater Utilities contract documents, Beacon Engineering specifications, project drawings, CB&I RFQ requirements, tank foundation drawings, electrical and instrumentation drawings, AWWA D100 requirements, site work requirements, testing requirements, disinfection requirements, safety requirements, documentation requirements, and project closeout requirements.
• Johnston Construction Company performed work for the Carpenters Bridge Crossing Elevated Storage Tank project in Felton, Kent County, Delaware. The executed subcontract identifies the project as Civil, Mechanical, Electrical Elevated Water Storage Tank, for Tidewater Utilities, Inc., located in Felton, DE, with CB&I Storage Tank Solutions, LLC as Company and Johnston Construction Company as Subcontractor.
• The overall project included construction of a new 500,000-gallon pedestal spheroid elevated storage tank at the Carpenters Bridge Crossing site. The work included tank construction, site entrance, fencing, maintenance asphalt and gravel paving, connection to the existing water distribution system, clearing, grubbing, permanent site restoration, site electrical service coordination, interior and exterior mechanical and electrical work, and all appurtenances required to complete the facility.
• JCC performed its work under subcontract to CB&I Storage Tank Solutions, LLC. CB&I entered into the prime contract with Tidewater Utilities, Inc. for completion of the Elevated Water Storage Tank project and engaged JCC to carry out and complete the subcontract work.
• The project included a new 500,000-gallon pedestal spheroid elevated water storage tank complete with design, fabrication, delivery, erection, painting, electrical work, piping, disinfection, testing, and other work necessary to complete the tank facility.
• Tank foundation work included support for the pile foundation system, piles, reinforced concrete pile cap, ring wall, grout ring, floor slab, and associated foundation components for the 500,000-gallon tank. The scope also included test piles, reaction piles, and one pile load test.
• JCC’s subcontract included tank foundation support based on the tank foundation design. The scope included the augercast piling subcontractor, pile layout support, reinforcing coordination, spoil removal and disposal, third-party testing coordination, water for cleanup, and related foundation support work.

Concrete Services Division

• Concrete Services Division, LLC performed concrete construction work for the Carpenters Bridge Crossing Elevated Storage Tank project in Felton, Delaware.
• The project included construction of a new 500,000-gallon elevated water storage tank for Tidewater Utilities, Inc. at Carpenters Bridge Crossing.
• CSD performed its work under subcontract to Johnston Construction Company for concrete forming, placement, finishing, curing, and accessory work associated with the tank foundation, tank slab, and tank walls.
• CSD’s scope included concrete equipment mobilization and demobilization, form material rental, form lumber purchase, installation and stripping of forms, concrete placement labor, concrete finishing labor and supplies, concrete curing labor and supplies, and concrete accessory labor.
• Major concrete work included forming slab-on-grade, forming curved walls, forming straight walls, placing slab-on-grade concrete, placing wall concrete, float and screed work, trowel finishing, point and patch work, bagging, curing, mesh, dowels, pipe pads, and related concrete accessories.
• The work required coordination with Johnston Construction Company, CB&I Storage Tank Solutions, Tidewater Utilities, Beacon Engineering, concrete suppliers, testing agencies, pumping services, equipment providers, and project stakeholders.
• The project required compliance with the project concrete requirements, elevated storage tank requirements, Beacon Carpenters Bridge Crossing plans, utility drawings, CB&I foundation design sketch, JCC schedule, safety requirements, submittal requirements, and project closeout requirements.
• CSD performed the work under subcontract to Johnston Construction Company. The CSD subcontract, No. 202511SC02, was dated effective February 3, 2026, and identified Concrete Services Division, LLC as the subcontractor and Johnston Construction Company as the contractor. The delivery location was Carpenters Bridge Crossing, Lincrest Lane, Felton, Delaware.
• The overall project included construction of a new 500,000-gallon pedestal spheroid elevated storage tank. The work included tank foundation construction, site work, water mains, overflow piping, storm drainage, site entrance, gravel work area, grading, sediment and erosion control, electrical coordination, piping, testing, and final restoration.
• CSD’s work focused on the concrete construction required to support the elevated water storage tank. The scope included forming, placing, finishing, and curing concrete for the tank foundation, tank slab, and tank walls.
• The subcontract included mobilizing and demobilizing concrete equipment, tools, and supplies to and from the jobsite; rental of form material; purchase of form lumber; installation and stripping of forms; concrete placement labor; concrete finishing labor and supplies; concrete curing labor and supplies; and concrete accessory labor for items such as PMJ, waterstop, caulk, and related concrete accessories.
• CSD’s scope also included winter protection labor, resteel placing labor and supplies if performed, unloading rebar labor with equipment by JCC, setting anchor bolts and sleeves, coordination of concrete purchased by JCC, coordination of concrete testing paid for by JCC, coordination of concrete pumping services paid for by JCC, and coordination of JCC and outside equipment rentals paid for by JCC.
• The concrete work included approximately 86 cubic yards of concrete, 197 square feet of slab-on-grade forming, 675.79 square feet of curved wall forming, and 36 square feet of straight wall forming.
• Concrete placement included slab-on-grade placement and wall placement, including 16.54 cubic yards and 8.73 cubic yards of slab-on-grade placement, and 0.33 cubic yards and 60.49 cubic yards of wall placement.

Electrical Services Division

• Electrical Services Division performed electrical construction work for the Carpenters Bridge Crossing Elevated Storage Tank project in Felton, Delaware.
• The project included construction of a new 500,000-gallon elevated water storage tank for Tidewater Utilities, Inc. at Carpenters Bridge Crossing.
• ESD performed its work under subcontract to Johnston Construction Company for the electrical work associated with the Carpenters Bridge Crossing 500K Elevated Water Storage Tank.
• ESD’s scope included conduit, wire, connections, tank lighting, gear, electrical ground rods, ground ring work, electrical excavation, wire labels, panel labels, conduit labels, future antenna conduits, heat tracing, coordination study, infrared testing, instrumentation wiring, RTU wiring, HVAC equipment wiring, as-built drawings, testing, startup, and closeout support.
• Major electrical work included Type A, Type B, Type C, emergency, and obstruction lighting; meter base; 100A Panel LP-1; service disconnect; ground rods connected to the base of the tank in four locations; ground ring connection; direct burial excavation for the ground ring and gate operator; and 6-inch conduits for future antenna cables.
• The work required coordination with Johnston Construction Company, CB&I Storage Tank Solutions, Tidewater Utilities, Beacon Engineering, utility providers, tank manufacturer, electrical suppliers, instrumentation suppliers, testing services, and project stakeholders.
• The project required compliance with the project electrical requirements, Specification Sections 16000s, Drawing UT2.3, JCC schedule, safety requirements, submittal requirements, O&M manual requirements, testing requirements, startup requirements, and project closeout requirements.
• Electrical Services Division performed electrical construction work for the Carpenters Bridge Crossing Elevated Storage Tank project in Felton, Kent County, Delaware. The work supported the new 500,000-gallon elevated water storage tank facility serving Tidewater Utilities, Inc.
• ESD performed the work under subcontract to Johnston Construction Company. The ESD subcontract, No. 202511SC01, was dated effective January 30, 2026, and identified Electrical Services Division as the subcontractor and Johnston Construction Company as the contractor. The delivery location was Carpenters Bridge Crossing, Lincrest Lane, Felton, Delaware.
• The overall project included construction of a new 500,000-gallon pedestal spheroid elevated storage tank. The work included tank construction, site entrance, fencing, maintenance asphalt and gravel paving, connection to the existing water distribution system, clearing, grubbing, permanent site restoration, site electrical service coordination, interior and exterior mechanical and electrical work, and all appurtenances required to complete the facility.
• ESD’s work focused on the electrical construction required to support the elevated water storage tank. The scope included conduit, wire, connections, tank lighting, gear, electrical grounding, heat tracing, instrumentation wiring, RTU wiring, HVAC equipment wiring, coordination study, infrared testing, as-built drawings, testing, startup, and closeout support.
• Tank lighting included seven Type A fixtures, one Type B fixture, five Type C fixtures, one emergency light, and one obstruction light. Electrical gear included a meter base, 100A Panel LP-1, and one service disconnect.
• The grounding scope included electrical ground rods connected to the base of the tank in four locations for the lightning protection ground ring. ESD also included a ground ring to connect to the base of the water tank. Downleads for the lightning protection system were to be provided by the tank manufacturer for ESD to connect to the ground ring at the base of the tank, although the subcontract notes that this was not required on a spheroid tank.
• Underground electrical work included excavation for the ground ring and gate operator, with the gate operator excavation to be direct burial. ESD’s scope also included 6-inch conduits for future antenna cables.