Ocean View District 1,000,000-Gallon Elevated Water Storage Tank

Key Accomplishments

Johnston Construction Company

• The work included site preparation, excavation, dewatering where required, foundation backfill, compaction, grading, erosion and sediment controls, and final restoration.
• JCC installed approximately 1,175 linear feet of 20-inch water main, three 20-inch gate valves, a fire-hydrant assembly, and a two-inch blowoff assembly.
• The project included tank-overflow piping, a splash pad, storm-drainage piping, the site entrance, and supporting site improvements.
• JCC constructed and coordinated the electrical distribution, conduit, conductors, equipment connections, lighting, grounding, and instrumentation infrastructure within its assigned scope.
• JCC coordinated the tank foundation, piping, electrical pathways, and embedded components with CB&I’s tank design and erection requirements.
• Construction documentation included submittals, testing information, inspection records, record drawings, operations and maintenance information, and project-closeout materials.
• Johnston Construction Company performed the civil, mechanical, electrical, and instrumentation portion of the Elevated Storage Tank – Ocean View District project in Millville, Delaware.
• The project provided Tidewater Utilities, Inc. with a new one-million-gallon elevated water-storage tank serving the Ocean View District in Sussex County.
• The project specifications identify Tidewater Utilities, Inc. as the Owner and Beacon Engineering, LLC as the Engineer. The overall project included the new pedestal spheroid tank, pile-supported foundation, site work, water mains, valves, overflow piping, drainage, electrical systems, testing, and related improvements.
• CB&I Storage Solutions LLC entered into the prime contract with Tidewater Utilities and retained Johnston Construction Company as its subcontractor.
• The subcontract’s detailed scope establishes that JCC’s base responsibilities included the civil, mechanical, and electrical work related to construction of the one-million-gallon elevated water-storage tank, including the tank foundation, site preparation, and electrical systems.
• JCC began its work with project planning, field verification, layout, submittal preparation, construction scheduling, and coordination with Tidewater Utilities, Beacon Engineering, CB&I, equipment suppliers, utility representatives, testing agencies, and lower-tier subcontractors.

Concrete Services Division

• Concrete Services Division, LLC performed the concrete construction supporting the new one-million-gallon Ocean View District elevated water-storage tank.
• CSD formed and placed the reinforced-concrete tank foundation in accordance with the contract documents and CB&I foundation drawings.
• The concrete scope included the tank floor slab, curved foundation walls, splash pad, pipe-support pads, door pad, sump pit, and related structural concrete.
• CSD installed footing, slab-on-grade, and curved-wall formwork and completed form stripping after the concrete achieved sufficient strength.
• The company coordinated the placement of approximately 115 cubic yards of concrete purchased by Johnston Construction Company.
• CSD placed approximately 5.31 tons of reinforcing steel and approximately 777 square feet of welded-wire mesh.
• The work included floating, screeding, machine-trowel finishing, point-and-patch repairs, curing, concrete-accessory labor, and winter-protection labor.
• Nine concrete pipe pads were constructed to support piping associated with the elevated tank system.
• CSD coordinated concrete deliveries, testing, pumping services, reinforcing-steel handling, equipment use, anchor-bolt setting, and construction sequencing with JCC.
• Concrete Services Division, LLC performed the concrete portion of the Elevated Storage Tank – Ocean View District project in Millville, Delaware.
• The overall project provided Tidewater Utilities, Inc. with a new one-million-gallon elevated water-storage tank serving the Ocean View District in Sussex County.
• Beacon Engineering, LLC served as the Engineer. CB&I Storage Solutions LLC retained Johnston Construction Company to perform the assigned civil, mechanical, electrical, and instrumentation construction, and JCC retained CSD to complete the concrete work included in CSD’s subcontract.
• The subcontract required CSD to furnish the labor, materials, tools, supplies, and supervision necessary for forming and placing the tank foundation, splash pad, pipe pads, floor slab, door pad, sump pit, and anchor bolts.
• The work was governed by Drawings 2, 8, and 9; the applicable general conditions, submittal, erosion-control, earthwork, and cast-in-place concrete requirements; Addenda 1 through 3; the CSD control estimate; CB&I project specifications; and CB&I foundation drawings.

Electrical Services Division

• Electrical Services Division, LLC performed the electrical construction supporting the new one-million-gallon Ocean View District elevated water-storage tank.
• ESD furnished and installed conduit, conductors, electrical connections, boxes, switches, receptacles, and supporting devices throughout the tank site.
• The work included an electrical rack, utility-meter provisions, main disconnect, lighting panel, and transient-voltage surge-suppression equipment.
• ESD furnished and installed the interior and exterior lighting systems serving the elevated tank and its operational areas.
• The lighting package included seven Type A fixtures, one Type B fixture, two Type C fixtures, and a flight light.
• ESD installed underground duct bank, conduit, conductors, and grounding provisions serving the site gate operators.
• The company furnished an instrumentation termination box and coordinated electrical interfaces with systems and equipment provided by others.
• ESD supported electrical inspections, operational checks, startup, closeout documentation, and preparation of final as-built record drawings.
• Electrical Services Division, LLC performed the electrical portion of the Elevated Storage Tank – Ocean View District project in Millville, Delaware.
• The overall project provided Tidewater Utilities, Inc. with a new one-million-gallon elevated water-storage tank serving the Ocean View District in Sussex County.
• Arro Consulting, Inc. is identified in the ESD project record as the engineer organization associated with the electrical work. Matthew Warfel served as the engineer contact for Arro Consulting, Inc.
• Johnston Construction Company performed the assigned civil, mechanical, electrical, and instrumentation work under its agreement with CB&I Storage Solutions LLC and retained Electrical Services Division, LLC to perform the electrical construction included in ESD’s subcontract.
• For the marketing job sheet, the project-manager field follows the ESD project record in the Excel workbook, which identifies Marty Workinger as Project Manager.
• The subcontract required ESD to furnish the labor, materials, tools, equipment, supervision, and supporting services necessary to complete the electrical work for the Ocean View elevated water-storage tank.