Zone 3 600,000-Gallon Elevated Water Storage Tank

Key Accomplishments

Johnston Construction Company

• JCC contracted directly with the City of Aberdeen for Contract No. 22-05, Zone 3 Elevated Water Tank 2nd Bid.
• The work included installation of the elevated water storage tank, yard piping, connection to an existing water main, mixing system, telemetry system, and restoration of seeded and other areas disturbed by construction operations.
• JCC’s work included furnishing labor, superintendence, materials, equipment, utilities, facilities, and all work necessary to complete the Zone 3 Elevated Water Tank project in accordance with the contract documents prepared by ARRO Consulting, Inc.
• Major work included tank construction, tank foundation, site grading, structural excavation, trench excavation, water main work, valves, fire hydrants, paving and surfacing, restoration, fencing, concrete, metal fabrications, painting, potable water tank painting, mixing system, cathodic protection, instrumentation, process piping, mechanical work, electrical work, lighting, obstruction lighting, wireless remote telemetry, testing, startup, and closeout.
• The work required coordination with the City of Aberdeen, ARRO Consulting, tank design and construction personnel, water main crews, electrical and telemetry personnel, testing personnel, inspectors, suppliers, subcontractors, and project stakeholders.
• The project required compliance with City of Aberdeen requirements, ARRO project requirements, Maryland public works requirements, water storage tank requirements, water main requirements, tank painting requirements, electrical requirements, instrumentation requirements, erosion and sediment control requirements, testing requirements, startup requirements, safety requirements, and closeout requirements.
• The project included construction of a new 600,000-gallon elevated steel spheroid water storage tank on Technology Drive in Aberdeen, Maryland. The work also included yard piping, connection to an existing water main, a mixing system, telemetry system, and restoration of areas disturbed by construction operations.
• JCC’s scope included general construction activities required to complete the new water storage facility. This included project coordination, submittals, field engineering, site preparation, tank foundation construction, water main work, process piping, tank construction coordination, mechanical work, electrical coordination, instrumentation coordination, testing, startup, and closeout.
• Site work included clearing and grubbing, test pits, removal or abandonment of existing utilities, site grading, trench excavation, structural excavation, backfill, compaction, roadway excavation, aggregate backfill, finish grading, paving and surfacing, restoration, turf establishment, fencing, erosion and sediment control, and traffic coordination.
• The project required construction of the elevated water tank foundation and related concrete work. Concrete work included concrete reinforcement, cast-in-place concrete, foundation work, anchor coordination, structural support, concrete placement, curing, and related concrete construction requirements for the elevated tank structure.
• The tank work included construction of the potable water storage tank, tank accessories, tank appurtenances, potable water tank painting, coatings, access features, safety features, vents, hatches, ladders, doors, platforms, and related tank components required for a complete elevated water storage facility.
• Water main and piping work included installation of yard piping, connection to the existing water main, water valves and appurtenances, fire hydrant work, process piping, supports, anchors, seals, piping insulation, miscellaneous piping items, and related water system connections required to place the new tank into service.

Concrete Services Division

• Concrete Services Division, LLC performed concrete construction work for the City of Aberdeen Zone 3 Elevated Water Tank project in Aberdeen, Maryland.
• CSD performed its work under subcontract to Johnston Construction Company for forming and concrete placement associated with the Zone 3 600KGAL Elevated Water Storage Tank project.
• CSD’s scope included mobilization and demobilization of concrete equipment, 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 material and labor.
• Major concrete work included concrete, footing forming, slab-on-grade forming, curved wall forming, footing placement, slab-on-grade placement, wall placement, float and screed work, trowel finishing, point and patch work, bagging, curing, accessories, and mesh.
• The work required coordination with Johnston Construction Company, the City of Aberdeen, ARRO Consulting, CB&I, concrete suppliers, testing agencies, pumping services, equipment providers, tank construction personnel, and project stakeholders.
• The project required compliance with General Conditions, Supplementary Conditions, submittal requirements, quality control requirements, erosion and sediment control requirements, concrete reinforcement requirements, cast-in-place concrete requirements, CB&I project specifications, CB&I foundation drawings, JCC schedule, safety requirements, testing coordination requirements, and closeout requirements.
• Concrete Services Division, LLC performed concrete construction work for the Zone 3 Elevated Water Tank project in Aberdeen, Harford County, Maryland. The work supported construction of the new 600,000-gallon elevated steel spheroid water storage tank for the City of Aberdeen.
• CSD performed the work under subcontract to Johnston Construction Company. The CSD subcontract, No. 202411SC02, was dated effective August 5, 2024, and identified Concrete Services Division, LLC as the subcontractor and Johnston Construction Company as the contractor. The delivery location was Zone 3 600KGAL EWST, Technology Drive, Aberdeen, Maryland.
• The overall project included construction of a new 600,000-gallon elevated steel spheroid water storage tank on Technology Drive, installation of yard piping, connection to an existing water main, installation of a mixing system, telemetry system, and restoration of seeded and other areas disturbed by construction operations.
• CSD’s work focused on the concrete construction required to support the elevated water storage tank facility. The scope included forming, placing, finishing, curing, and accessory work associated with the tank foundation, overflow pad, pipe pads, and related concrete components.
• The concrete scope 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; concrete finishing supplies; concrete curing labor; concrete curing supplies; and concrete accessory material and labor for items such as PMJ, waterstop, caulk, and related accessories.
• The concrete work included approximately 167 cubic yards of concrete, 196.56 square feet of footing forming, 12.50 square feet of slab-on-grade forming, and 1,246.17 square feet of curved wall forming.
• Concrete placement included approximately 99.03 cubic yards of footing placement, 21.89 cubic yards of slab-on-grade placement, and 46.15 cubic yards of wall placement.

Electrical Services Division

• Electrical Services Division, LLC performed electrical construction work for the City of Aberdeen Zone 3 Elevated Water Tank project in Aberdeen, Maryland.
• ESD performed its work under subcontract to Johnston Construction Company for the electrical work associated with the Zone 3 600KGAL Elevated Water Storage Tank project.
• ESD’s scope included conduit, wire, connections, lights, switches, receptacles, meter base, service entrance rated main disconnect, electrical service, panelboard, surge protection device, undervoltage monitor, and tank ground ring system.
• ESD’s work also included excavation and backfill for service trenches and grounding, concrete encasement for electrical duct banks, obstruction and marker lights, electrical installation of instruments, RTU, security panel, and mixer, and furnishing and installing service and tank backboards.
• ESD coordinated heat tracing materials for inlet / outlet piping, testing services, required submittals, O&M manuals, materials provided by others, JCC and outside equipment rentals, as-built / record drawings, and project closeout.
• The work required coordination with Johnston Construction Company, the City of Aberdeen, ARRO Consulting, tank construction personnel, electrical suppliers, instrumentation and telemetry personnel, testing personnel, equipment providers, and project stakeholders.
• The project required compliance with Division 16 electrical requirements, Section 13210 potable water tank requirements, Section 13320 instrumentation requirements, Drawings E-1 and E-2, Addenda 1 through 3, CB&I preliminary foundation drawings, JCC schedule, safety requirements, submittal requirements, testing requirements, startup requirements, and closeout requirements.
• Electrical Services Division, LLC performed electrical construction work for the Zone 3 Elevated Water Tank project in Aberdeen, Harford County, Maryland. The work supported construction of the new 600,000-gallon elevated steel spheroid water storage tank for the City of Aberdeen.
• ESD performed the work under subcontract to Johnston Construction Company. The ESD subcontract, No. 202411SC01, was dated effective August 5, 2024, and identified Electrical Services Division, LLC as the subcontractor and Johnston Construction Company as the contractor. The delivery location was Zone 3 600KGAL EWST, Technology Drive, Aberdeen, Maryland.
• The overall project included construction of a new 600,000-gallon elevated steel spheroid water storage tank on Technology Drive, installation of yard piping, connection to an existing water main, installation of a mixing system, telemetry system, and restoration of seeded and other areas disturbed by construction operations.
• Lighting and device work included furnishing and installing lights, switches, receptacles, obstruction lights, and marker lights required for operation, access, safety, maintenance, and aviation-related visibility requirements for the elevated water tank.
• Grounding work included furnishing and installing the tank ground ring system. ESD’s scope also included excavation and backfill for service trenches and grounding, supporting the electrical service and grounding requirements for the new elevated storage tank facility.
• Underground electrical work included conduit installation, service trench work, grounding excavation, backfill, and concrete encasement for electrical duct banks. This work supported electrical service routing, power distribution, tank electrical systems, and long-term protection of underground electrical infrastructure.