Harrington 500,000-Gallon Elevated Water Storage Tank and Well House

Key Accomplishments

Johnston Construction Company

• JCC constructed a new concrete-masonry-unit well house and water-treatment facility to support the City’s expanded water-supply infrastructure.
• The work included construction of a new 500,000-gallon spheroid welded-steel elevated water storage tank and the appurtenances required for a complete operating system.
• JCC installed the associated process piping, valves, fittings, supports, water-service connections, electrical systems, controls, instrumentation, and facility equipment.
• Site improvements included excavation, underground utility work, grading, paving, drainage, erosion and sediment controls, and final restoration.
• JCC coordinated the well, treatment facility, elevated tank, piping, electrical systems, controls, testing, startup, training, and final turnover as a complete municipal water-supply improvement.
• Johnston Construction Company completed the 500,000-Gallon Elevated Water Storage Tank and Well House project in Harrington, Delaware.
• The project was performed for the City of Harrington under an executed construction agreement with Johnston Construction Company. The agreement became effective March 1, 2022.
• The project included construction of a new well, submersible pump and motor, a new concrete-masonry-unit well house and treatment facility, and a new 500,000-gallon spheroid welded-steel elevated water storage tank.
• The contract also included the piping, equipment, electrical systems, controls, appurtenances, paving, and site restoration necessary to provide the City with a complete and operational water-supply facility.
• The new municipal well was constructed to provide an additional source of water for the City of Harrington.
• JCC coordinated the well construction with the submersible pumping equipment, well discharge piping, treatment systems, electrical service, controls, testing, and connection to the municipal water-distribution system.
• The new submersible pump and motor were installed within the well and connected to the permanent piping and electrical systems.

Concrete Services Division

• Concrete Services Division, LLC completed the concrete work associated with the City of Harrington’s 500,000-Gallon Elevated Water Storage Tank and Well House project.
• CSD furnished the labor, form materials, tools, equipment, finishing supplies, curing materials, and concrete accessories required for its assigned work.
• The project included concrete construction for the elevated water-storage-tank foundation, well-house foundation, generator foundation, floor slabs, splash pads, pipe pads, door pads, sump pits, and associated structural features.
• CSD completed footing, slab-on-grade, curved-wall, and column formwork required for the project’s concrete foundations and structures.
• The work included concrete placement, floating, screeding, machine troweling, pointing, patching, curing, vapor-barrier installation, joint work, perimeter insulation, and pipe-pad construction.
• CSD coordinated anchor-bolt installation and concrete interfaces with the tank, well-house, generator, piping, building, and equipment layouts.
• The concrete work was coordinated with Johnston Construction Company’s excavation, reinforcing steel, concrete purchasing, concrete pumping, testing, utility installation, building construction, tank erection, and site work.
• Concrete Services Division, LLC completed the concrete portion of the 500,000-Gallon Elevated Water Storage Tank and Well House project in Harrington, Delaware.
• CSD’s work supported the construction of the new elevated water-storage tank, well house, water-treatment facilities, generator equipment, piping systems, and related site improvements.
• The concrete scope included the labor, formwork, tools, equipment, finishing materials, curing supplies, anchor bolts, joint materials, vapor barriers, pipe-pad materials, and other accessories required to complete the assigned concrete construction.
• A principal portion of the work involved concrete construction for the elevated water-storage-tank foundation.
• CSD completed the formwork and concrete-placement labor required for the tank foundation in coordination with the tank manufacturer’s foundation drawings and requirements.
• The foundation work was coordinated with the tank dimensions, structural loads, reinforcing steel, anchor bolts, embedded items, underground piping, access requirements, and final tank location.
• CSD installed curved-wall formwork associated with the circular tank-foundation construction.

Electrical Services Division

• Electrical Services Division completed the electrical work associated with the City of Harrington’s 500,000-Gallon Elevated Water Storage Tank and Well House project.
• ESD furnished and installed conduit, wiring, electrical connections, lighting, switches, receptacles, electrical service equipment, switchgear, panelboards, and surge-protection equipment.
• The electrical work supported the new elevated water-storage tank, municipal well, well house, water-treatment facility, pumping equipment, and associated site improvements.
• ESD installed underground electrical ductbanks and raceways serving the electrical service and the connections between the elevated tank and well house.
• The work included four grounding rods at the base of the elevated tank for lightning-protection grounding.
• ESD furnished and installed temporary electrical service, including the applicable electrical permit required for temporary power.
• The project included electrical connections for power and designated instrumentation circuits shown within ESD’s contractual scope.
• Additional work included construction and installation of a chlorine-analyzer assembly using equipment furnished by others and startup of the sump pump and pump-pit alarm.
• ESD coordinated electrical inspections, testing, startup, project documentation, record drawings, and final turnover with Johnston Construction Company.
• Electrical Services Division completed the electrical portion of the 500,000-Gallon Elevated Water Storage Tank and Well House project in Harrington, Delaware.
• ESD’s electrical work supported construction of the new municipal well, well house, water-treatment facility, and 500,000-gallon elevated water-storage tank.
• The primary electrical scope included furnishing the labor, materials, tools, equipment, supervision, and related services required for the project’s electrical systems.
• ESD installed conduit, conductors, fittings, supports, boxes, devices, grounding components, and electrical connections serving the well, treatment equipment, well house, elevated tank, and related facility systems.
• The electrical service work included the new service equipment, switchgear, panelboard, and surge-protection device required to distribute power throughout the completed facility.

Additional project details

• The City of Harrington expanded its water supply and storage with a new municipal well, submersible pump, CMU well house and treatment facility, and a 500,000-gallon elevated storage tank.
• JCC delivered the associated building, process, utility, electrical, and site work.