Valley Iron Works

Mill expansion project in Ione, California

March 31, 2009 2:24 pm

Valley Iron Works, Inc. fabricated and erected over 118 tons of structural steel for the ISP Granule Products Inc. Mill Expansion project.¬ The project started as an expansion of one building, the Rotex building, with the addition of a new crusher building.¬ Valley Iron Works utilized a combination of¬ ¬ in – house detailing and outside detailing to get the submittal drawings completed in 18 calendar days.¬ The normal lead time for this volume of drawings is 6 weeks.¬ The drawings were approved later than expected due to coordination problems the owner experienced between out of state designers¬ and a California registered engineer.

The drawings were approved in November of 2008, giving Valley Iron Works just 22 days to fabricate and another 15 days to erect the steel.¬ During the fabrication of structural steel, a change order was approved for fabrication of structural steel needed for machinery supports, chutes to move material in process and additional miscellaneous metals such as stairs and guard rails.¬ This change increased the original order by approximately 2/3.¬ The completion date of the entire project was not changed, even with this additional work.¬ Luckily, Diede Construction was the general contractor.¬ Valley Iron Works has sub-contracted with Diede Construction many times over the past 20 years and has developed a very strong working relationship with Diede’s field crews, Superintendents and Project Managers.¬ These relationships helped in the coordination of the various aspects of the work, use of equipment and staging materials so all trades could meet the very aggressive schedule.¬ It was also critical to the success of the project that Diede Construction employs concrete, wood and metal building crews.

The project was completed on time, with the plant actually starting up for testing the Sunday night before the projected Monday target.

These new photos show the “pop-outs” in the Rotex Building that made the 2nd and 3rd floors wider as well as the red structural steel that was used to add a new, lower floor.¬ The new crusher building is topped off with a shelter over the middle of the conveyor dubbed the “dog house”.¬ The photos of the inside of the building show the new chutes and supports fabricated and installed, all with red primer on them.

Rotex Building with "pop out"New Crusher building with "dog house"New floors in Rotex building





You can see more photos under the projects gallery¬ ” ISP Mill Expansion”.

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