Pier 57 Ferris Wheel

Seattle, Washington. USA


Year Completed

Project Summary


Pier 57 is a Seattle waterfront location favored by tourists and locals. It was lengthened to construct a 156 ft diameter Ferris wheel which opened in 2012. Helix® Micro-Rebar™ reinforcement was incorporated into the project design to fully replace the #6 rebar cages inside 53 piles. This application allowed the owner significant reduction in material and labor costs.

A total of 980 yd3 of concrete were placed by Manson Construction, pumped by Conco Pumping with concrete supplied by CalPortland of Seattle. There was 23,420 lb of Helix® Micro-Rebar™ reinforcement added into the concrete at the batch plant that replaced all of the structural rebar cages.




Seattle, WA

Original Design

30” diameter piles, 8- #6 and #3@12’’ hoops


Manson Construction


Pier Foundation

Helix ® Dosage

25 lb/yd3 and 31.5 lb/yd3

Increase In Shear Strength:

Increase In Modulus of Rupture:

Increase In Durability:

Increase Construction Speed:

Reduction In Carbon Footprint:




4 Days

40 Tons

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