The WPCF Phase 1 Improvements Project is spiralnail wall constructed in 2016. The WPCF Phase 1 Improvements Project wall is located at 460 Pocatello WPCF, 10733 N Rio Vista Rd., Pocatello, 83201, Idaho. The wall height is 22 feet with 866 spiral nails. The owner of the wall is the City of Pocatello. The wall designer for the project was Gerhart Cole, Inc., the contractor was Record Steel & Construction, Inc.