Location: Juneau, AK
Project Dates: 2018-Present
Owner: City and Borough of Juneau
proHNS is handling primary engineering design, research, analysis, and technical specification writing for this City and Borough of Juneau project that will replace Sitka Street’s dilapidated and failing water main. Other improvements include storm drainage collection upgrades and replacement of the aging pavement section between North Douglas Highway and Nowell Avenue. Design elements include new concrete valley gutter, corrosion protection anodes, minor grade and profile adjustments, street underdrains, and a new structural section consisting of at least 12 inches of shot rock borrow subbase with a base section of 2-inch minus shot rock capped with base course, grading D-1. The final bid package is expected to be complete by the end of May 2018, with construction slated for the summer.