Call: (425) 401.1611
Safeco Field - Roof Support System
Seattle, Washington
Gantrex Systems Inc.
275 Curry Hollow Rd.
Pittsburgh, PA 15236
Client References:
David Guest
Firm's Contract Price:
Approx. $50,000
Project Completion Date:
December 1998


SAI worked closely with Gantrex to assure the runway rails for the roof support system met pinpoint tolerances.

Project Highlights:
  • Roof support system layout
  • Align rail blockouts for grouting
  • As-build rail post grouting
  • As-build concrete for location accuracy and grout volumes
  • Prepare as-build CADD drawings
  • As-Build drawing support
Firm's Responsibility:
SAI assisted Gantrex in assuring the railing for the retractable roof at Safeco Field was accurately laid out and constructed. The strict tolerances set into place by the roof's engineer required constant communication and coordination. Over a ten-month period, SAI crews verified the layout on a daily basis. This data was downloaded to SAI's civil/site software, the results plotted and drawings submitted our client. SAI also provided Gantrex "As-Build" drawings of the completed construction of the roof's rail system. For our efforts, SAI received an "outstanding" rating for flexibility and precision from Gantrex Stystems.
Firm's Project Personnel:
Carol Sanders, P.E. - Don Cuffel - Clint Ames - survey field crew
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