BC Hydro
Type of Project:
Overcoating four Penstocks
Project Description:
Four Penstock pipes that feed water to turbines in the powerhouse.
Length: 540-feet Diameter: 22-feet Total: 136,080 sq. feet
Reason project was undertaken:
To preserve the structure and existing coating for 25-years.
Name and location of facility:
Dam Penstocks at Kootney Canal near Castegar, B. C.
B. C. Hydro, Kootney River, South Slowcan Generating Station
Project start and completion dates:
Three year project, completed in fall 2000
Service Environment:
Rural / Industrial
Surface Preparation: Methods, degree of cleaning, profile:
5,000 PSI High Pressure water wash to a SSPC SP12 WJ4
Coating application methods, equipment:
Airless spray and brush
Coating system, number of coats, dry film thickness per coat, etc.:
Spot prime 5 mils DFT of Termarust 2100 (RAVCS®) Primer/Topcoat on bare metal and rusted surfaces.
An overcoat of 5 8 mils DFT Termarust 2100 (RAVCS®) Primer/Topcoat, color matched.
Safety and Environmental Protection Measures:
Environment around the project had to be protected from contamination.
Unusual Job conditions:
Fall Prevention System. Contain all water and filter, four-week duration.
Evidence of good performance:
Overcoating job secured by a five-year warranty that includes pack rusted joints and connections.
Owner’s Representative:
Contact: Bill Epenspanger, City Engineer
Company: B. C. Hydro
Tel: 604-528-8336
Fax: 604-528-8133
Contractor:
Contact: Cliff Harper
Company: Kootney Powder Coating
Tel: 250-365-5400
Fax: 250-365-3390
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