Louise Bridge
Type of Project:
Repaint 663 ft. long steel thru truss two-lane bridge.
Project Description:
Totally remove existing lead-based paint on the structure, clean and apply new protective coating.
Reason project was undertaken:
Existing paint system was failing and development of crevice corrosion and pack rust were reducing the load capacity of the bridge.
Name and location of facility:
Louise Bridge, over the Red River in Winnipeg, Manitoba, Canada.
Project start and completion dates:
June - October 91
Service Environment:
Urban / Marine.
Surface Preparation: Methods, degree of cleaning, profile:
Sand blast to SSPC - SP6 with 2 mil profile
Coating application methods, equipment:
Airless spray and brush.
Coating system, number of coats, dry film thickness per coat, etc.:
Single coat, 10 mils DFT of Termarust 2100 (RAVCS®) Primer/Topcoat on all surfaces.
Safety and Environmental Protection Measures:
Platform and side tarps were erected. No lead program.
Unusual Job conditions:
An unmanageable number of pigeons contaminated the blast with feces. Eventually had to eliminate pigeons.
Evidence of good performance:
A five-year warranty that included pack rusted joints and connections.
Warranty expired with no warranty claim against Termarust.
Why Termarust was used.
Termarust and the contractor provided a 5-year warranty on leakage from pack rusted joints and connections and a minimum 25-year coating system service life.
Owner’s Representative:
Contact: Bill Epenspanger, Engineer
Company: City of Winnipeg
Tel: 204-986-5283
Contractor:
Contact: Darren Wanger
Company: Central Sandblasting
Tel: 204-222-3829
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