Wm. Dickson Company Uses HeavyBid on 105 N & 109 B Buildings

October 14, 2015 joshespinoza

Wm. Dickson Company Uses HeavyBid on 105 N & 109 B Buildings

Wm. Dickson Company Uses HeavyBid on 105 N & 109 B Buildings

The Demolition and Safe Storage Enclosure Construction for 105-N and 109-N Buildings included demolition of concrete structures around the reactor area, steam generator cells, and pipe gallery. All demolished material was transported for proper disposal. Magnatite reinforced concrete 5 to 6 feet thick proved challenging, but the fleet of excavators and large demolition hammers allowed Wm. Dickson Company to stay on schedule and within budget. This project included a Safe Storage Enclosure Roofing System above the abandoned reactor and heat exchanger buildings. Weather ranged from below zero to 100 degrees with winds in excess of 50 mph. Working in a remote desert location one hour from the nearest city presented challenges like dangerous animals and insects as well as the potential for frostbite.

What makes it interesting?

This project involved deactivating, disassembling, demolishing, and decommissioning the last remaining nuclear reactor and heat exchanger building 109-N, which produced plutonium and was closed in 1991. The Safe Storage Enclosure Roofing System is designed to withstand weather and seismic extremes to safely store the reactor until an anticipated one-pierce removal is initiated at the end of a storage period of up to 75 years.

How HCSS Software assisted with this project

Various categories and sub-categories allowed HeavyBid to focus on specific groups of unit bid items and lump sum items and to break them out into sub-categories. It also allowed Wm. Dickson to bid certain items with and without taxes and to implement escalation. The detailed reports HeavyBid generates enabled Wm. Dickson to compare actual phase and cost code accounting reports to the bid estimate.

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