Author: Travis Taylor

Customer and Site: Stratford General Hospital

System: 4″ cast iron vertical rain water leaders, located behind the hospital’s walls.

Situation: The constant flow of rainwater corroded the pipes, eventually causing them to split after years of damage and decay. Two critical units within the hospital were affected, and many patients had to be relocated to safer floors. Stratford General Hospital wanted the pipes lined so they could eliminate both the hassle and the costs associated with yearly maintenance to fix the soaked walls. Ontario Pipe Lining recognized that the hospital needed a non-invasive solution that wouldn’t damage the facility or compromise the safety of building inhabitants.

Problem: Ontario Pipe Lining discovered that the damaged pipe was enclosed to less than 2” in a 4” rain water leader. This was causing the line to build up with water and leak on the floors above.

Solution: Ontario Pipe Lining used existing access points to clean and line the rainwater leaders to avoid damaging the hospital or creating a disturbance. When working above the hospital’s surgery rooms, OPL created an infection control tent so the debris could easily be removed after cleaning. OPL first cleaned the pipeline from the 4th floor down to the hospital’s basement. It was then lined it using Nu Flow’s Nu Drain patented technology. Most importantly, the hospital was able to maintain daily operations with minimal interference as only two points of access were used to repair and reline the vertical stack.

Although our non-invasive solution left the hospital unscathed and patients undisturbed, the extensive procedure could be compared to when a stent is placed in the arteries of the heart during a coronary angioplasty.

Using Nu Flow’s unique, non-destructive pipe lining solution, Ontario Pipe Lining prevented future pipe system failures. Although many of the pipes were difficult to access, OPL ensured that the repairs were completed while the facility remained fully operational.

Project: Ontario Pipe Lining used the Nu Drain system to rehabilitate leaking storm drains without disrupting the customer’s normal business operations.

Customer: One of Canada’s largest telecommunications providers, which offers services such as mobile phones, cable, internet and residential landlines.

Site: A four-story building in Ontario that houses the communication switch boards and terminals for a large portion of Ontario.

System: Vertical and horizontal storm lines that range from 3″ to 6″ in diameter.

Problem: The storm drain system experienced leaks caused by cracks and mechanical joint failures. The horizontal storm drains, which are covered with electrical wires, ductwork and asbestos, run directly over switchboards, terminals, and batteries for the communication network. These leaks were jeopardizing the functionality of the communication network.

Circumvention: Since the pipes are mixed with electrical wires, ductwork, and asbestos, a traditional repipe of the failing storm drain system would create a large mess. Also, the location of the pipes being directly over significant communication network devices would make a repipe difficult without greatly interrupting normal operations of the network. The customer emphasized that the pipe system repair should not interfere with business operations.

Solution: The Nu Drain system was the perfect solution for the telecommunications company, because the business remained fully operational throughout Ontario Pipe Lining’s repair process. OPL installed Nu Flow’s Pull-in- Place structural liner in the hard-to-access storm drain pipes using limited pipe access, which reduced the cost of asbestos abatements. Once the epoxy-saturated liner cured, it formed a protective, seamless pipe within the host pipe. This new pipe will prevent future leaks from occurring.