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Table of Contents
- Introduction
- What is Groundwater and Why is it a Problem?
- The Dewatering System: A Solution for Groundwater Around Your Pool
- 3.1 How Does a Dewatering System Work?
- 3.2 The Importance of a Dry Pit
- The Skimmer Lid: Hiding the Dewatering System
- 4.1 The Function of the Skimmer Lid
- 4.2 Why is the Skimmer Lid Important?
- The Pipe: Removing Groundwater from the Pool
- 5.1 The Purpose of the Pipe
- 5.2 Depth Considerations for Different Pool Types
- Backfilling: Using Clean Stone to Manage Groundwater
- 6.1 The Role of Backfilling in Groundwater Control
- 6.2 Advantages of Using Three-Quarter Inch Stone
- Sources of Groundwater
- 7.1 Rainwater and Sprinkler Systems
- 7.2 Natural Water Levels and Proximity to Water Sources
- Pumping out the Groundwater
- 8.1 Pumping Options and Limitations
- 8.2 Ensuring Proper Drainage of Water
- The Consequences of Ignoring Groundwater Control
- 9.1 Water Damage and Foundation Issues
- 9.2 Risks to Different Pool Types
- The Prevalence of Dewatering Systems Today
- Conclusion
👉🏼 The Dewatering System: A Solution for Groundwater Around Your Pool
Groundwater buildup around swimming pools can create various issues, ranging from cosmetic concerns to severe structural damage. At Royal Pools, we have devised an effective solution to combat this problem and ensure the longevity of your pool – the dewatering system, also known as a dry pit.
3. What is Groundwater and Why is it a Problem?
Groundwater refers to the water that is present underground, either as a result of rainfall or from nearby water sources such as ponds or lakes. While some groundwater is essential for maintaining stable earth conditions, excessive amounts around swimming pools can lead to significant problems. The continuous presence of groundwater can cause the walls of the pool to bulge, compromising the structural integrity and potentially resulting in costly damages.
4. How Does a Dewatering System Work?
A dewatering system works by effectively removing the excess groundwater from around your swimming pool. At Royal Pools, our system comprises a skimmer lid and a pipe that extends to the deep end of the pool excavation. The skimmer lid is designed to hide the underlying infrastructure, while the pipe acts as a sump pump pit, allowing the groundwater to be pumped out.
5. The Importance of a Dry Pit
In the case of fiberglass pools, the pipe of the dewatering system extends all the way down to the ground. However, for vinyl liners, the pipe is limited to the shallow end, ensuring that the liner remains unaffected by the rising groundwater. The dry pit created by the dewatering system prevents water from accumulating around the pool, protecting its structure and preventing potential damage.
6. The Skimmer Lid: Hiding the Dewatering System
6.1 The Function of the Skimmer Lid
The skimmer lid serves a crucial purpose in the dewatering system. It not only conceals the pipe and the pit but also ensures the visual appeal of your pool. By covering the access point to the system, the skimmer lid blends seamlessly with the pool surroundings, maintaining its aesthetic appeal.
6.2 Why is the Skimmer Lid Important?
The skimmer lid plays a significant role in maintaining the integrity of the dewatering system. By protecting the access point, it prevents dirt, debris, and other foreign objects from entering the system, ensuring its smooth operation. Additionally, the skimmer lid eliminates any potential safety hazards by keeping the system hidden and inaccessible to unauthorized individuals.
7. The Pipe: Removing Groundwater from the Pool
7.1 The Purpose of the Pipe
The pipe in the dewatering system acts as the main conduit for removing the excess groundwater from around the pool. It extends from the surface down into the ground, creating a pathway for the water to be pumped out. The size of the pipe ensures efficient water removal, effectively addressing the groundwater issue.
7.2 Depth Considerations for Different Pool Types
The depth to which the pipe extends can vary depending on the type of pool. In the case of fiberglass pools, the pipe reaches the deep end of the excavation, allowing for complete removal of the groundwater. However, for vinyl liners, the pipe is limited to the shallow end, as it is crucial to prevent the liner from floating or getting damaged due to excessive water pressure.
This limitation is typically around 42 inches, providing sufficient space for groundwater removal without risking any harm to the pool structure.
8. Backfilling: Using Clean Stone to Manage Groundwater
8.1 The Role of Backfilling in Groundwater Control
To further enhance the effectiveness of the dewatering system, proper backfilling techniques are employed. Clean stone, typically three-quarter inches in size, is used as the backfill material around the pool. This helps facilitate drainage and prevents the accumulation of groundwater. The clean stone acts as a natural filter, allowing water to pass through while controlling the water table around the pool.
8.2 Advantages of Using Three-Quarter Inch Stone
The use of three-quarter inch clean stone offers several advantages when it comes to managing groundwater around the pool. Firstly, its size allows for optimal water flow, preventing any blockages or restrictions within the backfill material. Additionally, the three-quarter inch stone helps maintain a stable water table by efficiently draining excess groundwater away from the pool, reducing the risk of damage to the pool structure. Overall, the strategic use of clean stone in backfilling ensures a more effective and reliable dewatering system.
9. Sources of Groundwater
9.1 Rainwater and Sprinkler Systems
One of the most common sources of groundwater around pools is rainwater and the runoff from sprinkler systems. As water seeps into the ground, it can find its way to the pool area, leading to excessive groundwater accumulation. Proper dewatering systems help mitigate this issue by redirecting the water away from the pool and into the appropriate drainage areas.
9.2 Natural Water Levels and Proximity to Water Sources
In some cases, the natural water table in the surrounding area may be higher due to the presence of nearby water sources such as ponds, lakes, or rivers. This higher water level can result in increased groundwater around the pool. The dewatering system effectively removes this groundwater, protecting the pool's structural integrity and preventing any potential damage.
10. Pumping Out the Groundwater
10.1 Pumping Options and Limitations
To effectively remove the excess groundwater, a pump is required in the dewatering system. At Royal Pools, we offer the option of using a three-quarter horsepower pump, which can be easily dropped into the dry pit. The pump is typically connected to a garden hose, which can then be directed towards a suitable drainage area away from the pool. It is essential to ensure proper drainage to prevent any water from re-entering the pool area.
10.2 Ensuring Proper Drainage of Water
When selecting the drainage site, it is imperative to consider the natural grading of your yard. The garden hose should be directed towards swales or the existing drainage paths within your property. By following these guidelines, the eliminated water will flow naturally and not cause any further groundwater-related issues.
11. The Consequences of Ignoring Groundwater Control
11.1 Water Damage and Foundation Issues
Failure to address the groundwater issue around your pool can lead to significant water damage and potential foundation issues. Excessive groundwater can saturate the surrounding soil, causing it to expand and put pressure on the pool structure. Over time, this can result in cracks, bulges, and even the displacement of the pool. Implementing a dewatering system is crucial to prevent such costly damages.
11.2 Risks to Different Pool Types
Different pool types may have varying degrees of susceptibility to groundwater-related issues. Vinyl liners, for example, are more prone to floating or getting damaged when in contact with excessive groundwater. Fiberglass pools, on the other hand, can experience structural damage due to high water pressure on the walls. It is essential to consider your pool type and invest in an appropriate dewatering system to ensure its longevity.
12. The Prevalence of Dewatering Systems Today
As awareness of groundwater-related issues continues to grow, dewatering systems have become increasingly prevalent in the pool industry. The importance of proper groundwater control cannot be overstated, and pool owners are encouraged to invest in these systems to protect their pools and avoid potential damages in the long run.
13. Conclusion
In conclusion, groundwater control is a critical aspect of maintaining a healthy and structurally sound swimming pool. With the implementation of a dewatering system like the one offered by Royal Pools, pool owners can effectively eliminate excess groundwater and ensure their pool's durability. Don't let groundwater be a problem for your pool – take the necessary steps to address it and enjoy your pool worry-free.
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