The Pour

Ivey Construction Completes Largest Pour to Date

(AP) Ivey Construction attempted their largest water project to date with their pour of the harbor water in downtown Tacoma. After weeks of delays and rescheduling, the harbor pour was completed during the evening of 16 December 2015. Sources indicate that the pour was gloss finish casting resin, chosen for the minimal creep up structures in the harbor. A drill motor with mixing attachment was used to stir the pour, with direction of rotation changed every 40 seconds during the mixing phase. An acrylic tint of English Navy Blue was used to achieve opacity, with highlights of Cool Blue and White added.

In a departure from plans filed with the city, Ivey Construction completed the plate girder bridge prior to pouring the harbor

Ballasted girder 1

Ivey Construction Superintendent Blair Ivey noted “We decided to complete the girder bridge prior to the pour because we knew that ballasting the bridge would be messy, and we didn’t want to deal with ballast on the water surface, especially after texturing.”

Company sources say that 300 ml was required to achieve a water depth of 4mm, and that the remaining amount of hardener and resin was unclear because the supplier failed to put graduations on the bottles [looking at you, Envirotex]. However, on mixing, 355 ml was available, and covered the harbor adequately.  A stripped sponge brush with protrusions removed aided in spreading the resin between the car pier piles

Water applicator

Initial results were encouraging

Initiall harbor pour 2

Initial harbor pour 1

Mr. Ivey noted that “Leak containment was adequate. There were no reported excursions outside the environment.” Asked about the pour, Mr. Ivey stated “As a company we approached this project with some trepidation. This is a new material for us in a new environment, but everything came together.” Asked about bubble elimination, Mr. Ivey said “We initially considered an F-35 in hover mode, but realized that a mechanical failure would put a 21st-century jet into a mid 20th-century harbor. While interesting, it wouldn’t have been prototypical. We elected to use the standard biological CO2 generator.”After the harbor cures, the company will spend the next week texturing the water with Dave Frary’s Mod Podge method.

Northern Pacific Tacoma Division manager Albert Yellowstone was pleased with the progress. “Maybe now we can get the car pier built and get trains running.”

 

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