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NORTH FORK SKOKOMISH POWERHOUSE & FISH FACILITIES
2014 NWHAGeneration 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 RENDERING AERIAL PHOTO
SOLIDWORKS RENDERING AERIAL PHOTO
POWERHOUSE AND FISH COLLECTION
BEFORE AFTER
FISH TRAM
BEFORE AFTER
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 Categories Journeyman Hours Apprenticeship Hours
Sub-Total Hours
Apprenticeship Share of Total Labor Hours %
Carpenters/Millwright/Diving 20,111 3,929 24,040 5.6
Laborer/Pipe layer/Fencing 13,070 3,040 16,110 4.3
Operators 9,610 1,868 11,478 2.6
Electricians 9,561 3,330 12,891 4.7
Other 4,782 522 5,364 0.8
Total 57,134 12,689 69,823 18.2
REC Credits Goal : 15% Apprenticeship
Labor
Initiative 937, approved by the voters of Washington State in November of 2006, establishedthat renewable energy projects that commence operation after December 31, 2005 having aminimum level of apprenticeship labor will obtain a credit towards the utility’s renewableenergy target.