Sappi Fine Paper North ~ BP-4 Woodyard Outage

Cloquet, Minnesota

Project Description

“Project Athena” was a $170 million project that involved a plant conversion of the pulp mill to produce specialized cellulose used in producing rayon and other non-woven textiles. The project took 13 months and 550,000 man-hours to complete and at the peak of its shut down employed over 1,100 workers.

Boldt was brought on to provide civil, structural and mechanical installation services for the upgraded woodroom. The old gentlefeed and rotary debarking drums were removed. The wood room’s roof panels were removed to allow for removal of equipment. New concrete piers and foundations, structural steel modifications, access platforms, piping and electrical were required for the new gentlefeed and rotary debarking drum. A six-crane pick was used to install the new equipment.

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Boldt's Role

Installation Contractor

Key Points

  • Interactive scheduling played a key role in pre-planning the significant amount of work that needed to happen during the March outage for removal and new installation of equipment. Boldt identified as much “pre-down” work as possible to minimize the actual work that needed to occur during the down; demo, new foundations, piers, steel platforms, etc.
  • Major project obstacles that Boldt overcame include setting the new 200 ft. long 200-ton gentlefeed with six cranes and then receiving 51” of snow with a wide open roof on the day of our large pick.