Parkview 0.5 MG Composite Elevated Water Storage Tank

Key Accomplishments

Johnston Construction Company

• Installed and maintained required erosion and sediment controls, including measures to maintain positive drainage and protect subgrades from saturation during construction.
• Performed required staking, excavation and backfill associated with the tank foundation and site improvements.
• Completed site restoration, temporary fencing, paving, sidewalks and crane-area preparation where required by the subcontract.
• Furnished and installed the required tank-related piping and mechanical systems, including inlet, outlet and overflow connections, valves, fittings, accessories, manholes and overflow structures.
• Installed the required pressure-gauge components and associated piping shown on the project drawings.
• Provided a valve vault with stamped drawings where required, along with splash-pad construction and other supporting civil improvements.
• Performed piping testing, sterilization and water sampling, including the required documentation for project acceptance.
• Furnished and installed required electrical and instrumentation-related infrastructure identified on the project's mechanical and electrical drawings; instrumentation equipment itself was provided by others.
• Coordinated conduit and lighting installations with the elevated-tank structure to prevent interference with ladders, platforms and tank components.
• Prepared the completed foundation area with required grading and 6 inches of clean stone and maintained suitable access for semi-trailers, concrete trucks and Caldwell's tank erection crews.
• Completed associated closeout work including grouting, exterior concrete sidewalks and entrance slabs, pipe bollards, pipe supports, under-slab drains and miscellaneous supporting work where required.
• Maintained the temporary access road, removed construction debris and excess material, completed site cleanup and performed required punch-list work.

Concrete Services Division

• Performed specialized concrete forming and placement work for the foundation supporting the new 500,000-gallon Parkview elevated water storage tank in Harrisonburg, Virginia.
• Furnished the labor, materials and tools required for concrete forming and placement in accordance with the project specifications, addenda, Caldwell foundation sketches and applicable contract drawings.
• Completed footing formwork, curved-wall formwork and form stripping associated with construction of the tank foundation.
• Performed concrete placement for the foundation footing, slab-on-grade and foundation wall construction.
• Completed concrete-finishing operations including float/screed work, trowel finishing, point-and-patch work and wall finishing.
• Performed required concrete curing and provided associated curing labor and supplies.
• Installed and stripped specialized formwork required for the curved geometry of the elevated-tank foundation.
• Provided labor associated with premolded joints, concrete accessories, sealant and saw-cut joints where required.
• Provided winter-protection labor necessary to support concrete operations during applicable weather conditions.
• Coordinated reinforcing-steel activities, concrete deliveries, pumping operations and concrete testing with Johnston Construction Company.
• Performed reinforcing-steel labor associated with the foundation work, including unloading and placement coordination.
• Coordinated concrete pumping, testing, ready-mix deliveries and supporting equipment necessary for efficient placement of the foundation concrete.
• Performed all concrete work in accordance with project safety, quality and schedule requirements.
• Concrete Services Division, LLC performed the specialized concrete construction associated with the foundation for the City of Harrisonburg's Parkview 0.5 Million Gallon Elevated Water Storage Tank. The overall project consisted of construction of a new 500,000-gallon elevated composite water storage tank and associated appurtenances and improvements at Eastern Mennonite University in Harrisonburg, Virginia.