
Problem: Underground leakage from a faulty 6” clay pipeline — estimated to be 100 years old — was causing sinkholes to form on one of Downtown Tulsa’s original brick-lined alleyways. The city was forced to close the alley which blocked public access and the only access nearby workers had to their company’s parking lot. The need to rehabilitate the street was urgent. Solution: The city’s Sewer Operations & Maintenance crew replaced the 6” clay pipe …


