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Fall River had elected to demolish their older, shorter standpipe and replace it with a new, much taller 750,000-gallon sphere, which Phoenix erected. The tank was built upon a spread footing on a very restrictive, sloping site which is surrounded by a large retaining wall, with the standpipe to remain in service until the completion of the new tank. Due to these constraints, extra care was needed to plan the tank erection. Phoenix crews altered conventional erection practices to fit this large structure into the available space. Phoenix painters worked within these constraints as well, developing a safe plan to get the tank properly coated. The roof was designed with accommodations for antenna support structures, and the tank contains a mixing system.
Archives: Projects
Stanton
Stanton, IA, is a community steeped in coffee history. For years, Stanton had been well known for its water tower shaped like a coffee pot. It was only fitting that in 2000, when the town needed more water, the theme remained the same. Phoenix was selected as the contractor for the new 150,000-gallon multi-column tank, and the engineering department got to work on capturing this theme with a tank that resembles a coffee cup sitting on a saucer.
The tank’s structural girder took the shape of a saucer, and the container took the shape of a cup. A handle was even added to complete the design. Custom flowers were painted onto the cup in keeping with the Swedish-style coffee pot design. This unique structure was awarded the prestigious “Tank of the Year” by the Steel Tank Institute / Steel Plate Fabricators Association.
Brooklyn, IN
This 300,000-gallon multi-column tank sits directly in downtown Brooklyn, IN, adjacent to commercial buildings and a busy street. With careful preparation and planning, Phoenix engineered a critical lift plan which employed two hydraulic cranes, each rigged to the bottom of two of the five legs, and a third crane in the area above the fifth leg, rigged from the top of the tank. This unconventional lift was custom designed based on site restrictions and an odd number of legs so the top-rigged crane would greatly assist stability as the other two cranes were rigged far below the center of gravity.
Rigging and hoisting the structure was only half of the project, as this structure was raised an amazing 50 additional feet. Phoenix crews worked safely and efficiently to complete this large raise and secure the tank, relieving the cranes the same day and working thereafter to complete the project so the owner could use the newfound pressure in the system.
Fort Leonard Wood
This 500,000-gallon sphere at one of our nation’s finest military bases needed a boost of additional pressure to better operate within the water system. Phoenix was contracted to raise this structure by 33’-9“. Our engineers devised a critical lift plan that used two hydraulic cranes to raise the tank, a third crane to add the new stem section, and a fourth crane for moving pieces about the site. This challenging operation was safely completed, and the cranes were released from the structure the same day that Phoenix crews worked to secure the new section in place.
Century Aluminum
Typically, when an elevated water storage tank reaches its life expectancy, options are limited to demolishing the structure and re-building new. But what do you do when only the container portion is bad while the support structure is in perfectly good shape—and you cannot go more than a week without your valuable resource?
This was the situation for Century Aluminum’s 100,000-gallon elevated water tank. Production demands allowed only a small window of time for the plant to operate without it. Century turned to Phoenix to develop a time-saving solution. After analyzing the existing structure, Phoenix designed and built a new container on the ground adjacent to the tank. We painted the interior and exterior, complete with logos, all while the new container was on the ground.
Once the replacement container was ready, the existing tank was drained and the container was cut and removed from the structure. Just as the old container was set on the ground, the crane swung to the new container, already rigged, and placed it atop the support structure. It all happened within hours, allowing the connection points to be welded quickly into place with minimal coating touch-ups. The tank was returned to service within 48 hours of cutting loose, and the re-coating of the support structure continued to completion.