By Jeff Butler, Repipe Specialists
Understanding your Piping systems
When considering your piping systems, there are two main systems in question: Domestic Water Systems and Drain, Waste and Vent (DWV) Systems. Below are some signs of aging to look out for with each system, and how to best maintain them. In the event that systems fail, repiping is the primary option that can prove to be more cost-effective than constant repairs and can be achieved without the need for residents to move out.
Domestic Water Systems
Domestic water systems provide potable drinking water. Most domestic water systems have a life expectancy of between 30 and 50 years. These systems can include materials such as galvanized, copper, polybutylene or CPVC pipes.
Some issues that can occur with those systems are:
- Leaks: Galvanized and copper pipes are prone to corrosion, which can lead to pinhole leaks or more significant pipe failures. You may notice recurring leaks in your plumbing system, especially around the joints or areas where the pipes are visibly corroded.
- Leaks: CPVC and polybutylene pipes are particularly sensitive to thermal fluctuations, and constant expansion and contraction can stress joints and fittings, leading to leaks. These type of piping systems can also become brittle over time and can become sufficiently fragile that even touching or putting pressure on the pipe can cause a leak.
- Low water pressure: Accumulated rust and mineral deposits within galvanized pipes can restrict the flow of water, resulting in reduced water pressure.
- Rusty or discolored water: As the zinc coating wears away on galvanized pipes and the steel begins to corrode, rust particles can enter the water supply, causing discoloration. You may notice brown or yellowish water coming from your faucets.
- Mold or mildew growth: Pinhole leaks can lead to excess moisture, creating a favorable environment for mold and mildew to thrive. If you notice moldy or musty odors, visible mold growth, or persistent dampness, it could be linked to a hidden leak.
To extend the lifespan of domestic water piping systems and minimize the need for premature replacements, you can implement several preventive measures:
- Regular inspections: Perform routine inspections of your plumbing system to check for leaks, corrosion, or other signs of wear and tear. Early detection of problems allows for timely repairs, preventing further damage.
- Maintain a record of leaks: Keeping track of the type of leaks you are experiencing will be telling over time and also appropriately inform proper decision-making in terms of what type of repair is appropriate long-term.
- Maintain adequate water pressure: Avoid excessive water pressure, as it can stress the pipes and lead to leaks or bursts. Install a pressure regulator if necessary to maintain a safe and consistent pressure throughout your plumbing system.
- Regular maintenance: Schedule regular maintenance for your plumbing system, including flushing water heaters, cleaning aerators, and checking for leaks. Proper maintenance helps keep your pipes in good condition and prevents issues from arising.
- Educate residents: Educate occupants of the property about proper plumbing usage and maintenance practices to minimize the risk of damage to the system. Encourage them to report any leaks or issues promptly for timely repairs.
Drain Waste and Vent Systems
DWV systems carry used water out of the residence. There are several signs that may indicate a DWV system is compromised, including:
- Frequent Clogs: If you're experiencing frequent clogs in your plumbing system despite attempts to clear them, it could be a sign of deteriorating pipes that need replacement.
- Corrosion: Obvious corrosion on the exterior of your pipes. Corrosion weakens pipes and can lead to slow leaks, which can cause water damage and mold growth.
- Leaks: Visible leaks or water damage around pipes are obvious signs that there's a problem. Leaks can occur due to cracks, holes, or loose connections in the pipes.
- Foul Odors: If you notice foul odors coming from your drains, it could indicate sewer gas leaks, which pose health risks. This could be due to damaged or improperly installed DWV pipes.
- Old Age: If your building's plumbing system is aging, it's worth considering a replacement, especially if you're experiencing any of the above issues. Older pipes are more prone to corrosion and damage.
To extend the lifespan of DWV systems, be sure to
- Avoid Chemical Drain Cleaners: Refrain from using harsh chemical drain cleaners, as they can corrode pipes over time. Instead, use mechanical methods such as plungers or drain snakes to clear clogs whenever possible.
- Proper Ventilation: Ensure that DWV piping systems are properly vented to prevent the buildup of sewer gases, which can be corrosive and pose health hazards. Proper ventilation also helps maintain proper drainage and prevent vacuum or pressure buildup in the pipes.
When considering any type of pipe replacement project in an occupied building, it's essential to plan the project carefully to minimize disruptions to residents and ensure the safety and functionality of the plumbing system. If you're unsure whether your pipes need replacement, it's a good idea to consult with a licensed plumber or contractor who can inspect the system and provide expert advice based on its condition.
About the Author:
Jeff Butler founded Repipe Specialists in 1991, and has been working to constantly improve and refine the Repipe Specialists One Stop Repipe Process™ since. Repipe Specialists specializes in repiping occupied multi-family buildings and communities with minimal impact to residents and working closely with onsite property management to ensure a smooth project.
