NORTH FORK SKOKOMISH POWERHOUSE & FISH FACILITIES 2014 NWHA Generation on the Upgrade Matthew Wilson, P.E.

PROJECT LOCATION – CUSHMAN HYDROELECTRIC PROJECT

GENERAL INFORMATION TIMELINE = FEBRUARY 2011 – JULY 2013 PROVIDES UPSTREAM & DOWNSTREAM FISH PASSAGE ADDITION OF 3.6 MW FEDERAL ARRA GRANT = $4,671,304 CONSTRUCTION CONTRACT = $15,087,007 TURBINE GENERATOR AND EQUIPMENT = $4,313,723 TOTAL LABOR HRS. WORKED = 69,823

SOLIDWORKS RENDERINGAERIAL PHOTO

SOLIDWORKS RENDERINGAERIAL PHOTO

POWERHOUSE AND FISH COLLECTION BEFOREAFTER

FISH TRAM BEFOREAFTER

LESSONS LEARNED 1. Know Your Geology a)Pre-construction field studies are important but don’t eliminate all risk.

1. Know your Geology – Micropiles

LESSONS LEARNED 2. Planning Space

LESSONS LEARNED 2. Planning Space

LESSONS LEARNED 3. Think About Maintenance

LESSONS LEARNED 4. Don’t Hide the Details a)If it’s important, make it obvious b)Tell the Contractor your dimensional tolerances c)Design in such a way that eliminates Contractor mistakes

16 Trades CategoriesJourneyman Hours Apprenticeship Hours Sub-Total Hours Apprenticeship Share of Total Labor Hours % Carpenters/Millwright/Diving20,1113,92924, Laborer/Pipe layer/Fencing13,0703,04016, Operators9,6101,86811, Electricians9,5613,33012, Other4, , Total57,13412,68969, REC Credits Goal : 15% Apprenticeship Labor Initiative 937, approved by the voters of Washington State in November of 2006, established that renewable energy projects that commence operation after December 31, 2005 having a minimum level of apprenticeship labor will obtain a credit towards the utility’s renewable energy target.