The gentle hiss and rhythmic spray of an underground sprinkler system are often taken for granted, until the day you decide to build a patio, plant a tree, install a pool, or otherwise alter your landscape. Suddenly, those carefully placed sprinkler heads become obstacles, spraying water where it’s no longer needed, or worse, directly onto your new hardscape. Moving underground sprinklers is a common task for homeowners undertaking landscaping projects, but it’s a task that requires careful planning and execution to avoid costly mistakes and ensure your lawn stays healthy and well-watered.
Ignoring the need to relocate sprinklers can lead to a host of problems. Imagine building a beautiful deck only to have your sprinkler system drench it every morning. Or picture planting a delicate rose bush directly in the path of a sprinkler head, leading to overwatering and root rot. Proper sprinkler placement is crucial for efficient water usage and the health of your lawn and garden. An improperly adjusted system can waste significant amounts of water, leading to higher water bills and environmental concerns. Furthermore, waterlogged areas can become breeding grounds for mosquitoes and other pests.

The process of moving underground sprinklers isn’t inherently complex, but it does demand a basic understanding of your system’s design and the tools and techniques required for plumbing and irrigation work. Many homeowners are tempted to hire professionals for this task, and while that’s certainly a viable option, tackling the project yourself can save you money and provide a sense of accomplishment. This guide will walk you through the entire process, from assessing your needs and gathering the necessary materials to digging trenches and connecting pipes, ensuring a successful and efficient sprinkler relocation project.
In today’s world, where water conservation and sustainable landscaping are increasingly important, understanding how to manage your irrigation system is more crucial than ever. By learning how to move underground sprinklers, you’re not just adapting your system to your changing landscape; you’re also taking control of your water usage and contributing to a more environmentally friendly approach to lawn care. This comprehensive guide provides the knowledge and confidence you need to tackle this project successfully, ensuring a beautiful and healthy lawn for years to come.
Understanding Your Sprinkler System
Before you even think about digging a trench or cutting a pipe, it’s essential to thoroughly understand your existing sprinkler system. This understanding will not only make the relocation process smoother but also help you avoid potential problems down the line. Knowing the type of sprinkler heads, the pipe material, and the overall system layout is crucial for a successful project.
Identifying Sprinkler Head Types
Sprinkler systems use a variety of sprinkler heads, each designed for specific purposes and coverage patterns. The most common types include: Spray heads, which deliver a fan-shaped spray pattern ideal for smaller areas; Rotor heads, which rotate to cover larger areas with a steady stream of water; and Impact heads, known for their distinctive “tick-tick-tick” sound and robust performance. Identifying the type of heads you have will help you choose the right replacement parts and ensure consistent coverage after the relocation. Look closely at the head’s design and any markings that indicate its type and spray pattern. Consult your original system documentation if available.
Understanding Pipe Material
The pipes used in your sprinkler system are just as important as the heads. Common materials include: PVC (Polyvinyl Chloride), a rigid white or gray pipe commonly used for main lines; Polyethylene (Poly), a flexible black pipe often used for lateral lines connecting to sprinkler heads; and Copper, though less common, found in older systems or for specific connections. Knowing the pipe material is critical because you’ll need to use the correct fittings and joining methods. PVC requires solvent welding, while poly typically uses barbed fittings and clamps. Mixing materials without the proper adapters can lead to leaks and system failure.
Mapping Your System Layout
Creating a map of your sprinkler system is an invaluable step. This map should show the location of all sprinkler heads, the main lines, lateral lines, valves, and any other relevant components. Use a measuring tape or wheel to accurately measure distances between heads and other features. You can draw the map by hand or use a digital tool. A detailed map will help you determine the best way to reroute the pipes and ensure that the relocated heads receive adequate water pressure. Consider taking photographs of the existing system before you start digging, as this can be helpful for reference later.
Water Pressure Considerations
Water pressure is a critical factor in sprinkler system performance. Moving sprinkler heads can affect the overall pressure in your system. Low pressure can result in inadequate coverage, while high pressure can lead to misting and wasted water. When relocating heads, consider the distance from the main line and the number of heads on each zone. Adding too many heads to a single zone can reduce pressure, so you may need to adjust the system’s configuration or even add a new zone. Consult with a landscaping professional or irrigation specialist if you’re unsure about the impact of your changes on water pressure. They can help you calculate the optimal number of heads per zone and recommend any necessary adjustments to your system.
Real-World Example: The Patio Project
Consider a homeowner named Sarah who decided to build a patio in her backyard. Her existing sprinkler system had two heads that were directly in the path of the patio construction. Before starting the project, Sarah carefully mapped her system, identifying the pipe material as PVC and noting the location of the main line. She also measured the water pressure at each head to ensure that relocating the heads wouldn’t affect the overall system performance. By understanding her system, Sarah was able to successfully reroute the pipes and relocate the sprinkler heads, ensuring that her new patio remained dry and her lawn stayed well-watered.
Planning the Sprinkler Relocation
Once you have a solid understanding of your sprinkler system, the next step is to plan the relocation. This involves determining the new location for the sprinkler heads, calculating the required materials, and developing a detailed plan of action. Careful planning will minimize errors and ensure a smooth and efficient relocation process. (See: Cook Fried Rice Pressure Cooker)
Determining New Sprinkler Head Locations
The first step in planning the relocation is to determine the optimal new locations for your sprinkler heads. Consider the coverage area of each head and ensure that the relocated heads will provide adequate water to all areas of your lawn or garden. Avoid placing heads too close to buildings, fences, or other obstacles that could block the spray. Also, consider the prevailing wind direction, as wind can significantly affect the distribution of water. Overlapping coverage is essential to prevent dry spots, so plan the new locations accordingly. Using your system map, sketch out the proposed new locations and coverage patterns, ensuring that all areas receive sufficient water.
Calculating Required Materials
Once you know the new locations, you can calculate the amount of pipe, fittings, and other materials you’ll need. Measure the distance from the existing pipes to the new head locations and add a little extra for safety. Choose the correct type of pipe and fittings that match your existing system. Common materials include PVC pipe, PVC fittings (elbows, tees, couplings), poly pipe, poly fittings (barbed connectors, clamps), and Teflon tape for sealing threaded connections. Make a detailed list of all the materials you’ll need, including the quantity and size of each item. It’s always a good idea to buy a few extra fittings and clamps in case of mistakes or unforeseen issues. Accurate material calculation saves time and prevents unnecessary trips to the hardware store.
Developing a Plan of Action
A well-defined plan of action is crucial for a successful sprinkler relocation. This plan should outline the steps you’ll take, from turning off the water supply to testing the system after the relocation. Break the project down into manageable tasks, such as digging trenches, cutting pipes, connecting fittings, and backfilling. Schedule the project for a time when the weather is favorable and you have ample time to complete the work. Notify your neighbors if the project will disrupt their water supply or access to their property. A clear and detailed plan will help you stay organized and avoid costly mistakes.
Choosing the Right Tools
Having the right tools is essential for any DIY project, and sprinkler relocation is no exception. Essential tools include: a shovel or trenching tool for digging trenches; a pipe cutter or saw for cutting pipes; PVC primer and cement for joining PVC pipes; a pipe wrench for tightening fittings; Teflon tape for sealing threaded connections; and a measuring tape for accurate measurements. Depending on the complexity of the project, you may also need a soil tamper for compacting the soil after backfilling, and a level for ensuring that the sprinkler heads are properly aligned. Investing in quality tools will make the job easier and more efficient.
Case Study: The Garden Expansion
Consider a homeowner named David who decided to expand his vegetable garden. This required moving several sprinkler heads that were located in the area where the garden would be expanded. David carefully planned the relocation, determining the new locations for the heads based on the layout of his garden beds. He calculated the required materials, making sure to choose the correct type of pipe and fittings. He also developed a detailed plan of action, outlining each step of the project. By carefully planning the relocation, David was able to successfully move the sprinkler heads and create a thriving vegetable garden.
The Sprinkler Relocation Process
With your plan in place and materials gathered, it’s time to start the actual sprinkler relocation process. This involves digging trenches, cutting and connecting pipes, and testing the system to ensure proper operation. Follow these steps carefully to avoid leaks and ensure a successful relocation.
Digging Trenches
The first step is to dig trenches from the existing pipes to the new sprinkler head locations. The depth of the trenches should be sufficient to protect the pipes from damage and freezing temperatures, typically 6-12 inches. Use a shovel or trenching tool to dig the trenches, being careful not to damage any existing pipes or utilities. Make sure the trenches are wide enough to accommodate the pipes and fittings. Smooth the bottom of the trenches to provide a stable base for the pipes. Proper trenching is crucial for the long-term performance of your sprinkler system. Consider renting a trenching machine for larger projects to save time and effort.
Cutting and Connecting Pipes
Once the trenches are dug, it’s time to cut the existing pipes and connect them to the new sprinkler head locations. Turn off the water supply to the sprinkler system before cutting any pipes. Use a pipe cutter or saw to make clean, straight cuts. For PVC pipes, use PVC primer and cement to join the pipes and fittings. Apply the primer to both the inside of the fitting and the outside of the pipe, then apply the cement and quickly join the pieces. Hold the pieces together for a few seconds until the cement sets. For poly pipes, use barbed fittings and clamps to connect the pipes. Slide the clamp onto the pipe, insert the barbed fitting, and then tighten the clamp to secure the connection. Proper connections are essential to prevent leaks.
Installing Sprinkler Heads
With the pipes connected, it’s time to install the sprinkler heads. Use threaded fittings to connect the heads to the pipes. Wrap Teflon tape around the threads to create a watertight seal. Tighten the fittings with a pipe wrench, being careful not to overtighten and damage the threads. Adjust the height of the sprinkler heads so they are level with the ground. Proper installation of the heads ensures even coverage and prevents damage from lawnmowers or foot traffic.
Testing the System
After installing the sprinkler heads, it’s time to test the system. Turn on the water supply slowly and check for leaks at all connections. If you find any leaks, turn off the water and tighten the fittings or replace any damaged parts. Adjust the spray pattern of the sprinkler heads to ensure adequate coverage. Observe the system for a few minutes to make sure everything is working properly. Thorough testing is crucial to identify and fix any problems before backfilling the trenches. (See: Long Cookrice)
Backfilling Trenches
Once you’re satisfied that the system is working properly, it’s time to backfill the trenches. Use a shovel to fill the trenches with soil, being careful not to damage the pipes. Compact the soil with a soil tamper to prevent settling. Add topsoil and seed or sod to restore the lawn. Proper backfilling ensures that the pipes are protected and the lawn is restored to its original condition.
Summary and Recap
Moving underground sprinklers is a manageable task for homeowners with a basic understanding of plumbing and irrigation. This guide has outlined the key steps involved, from understanding your existing system to testing the relocated sprinklers. Remember, careful planning and attention to detail are crucial for a successful project. By following these guidelines, you can adapt your sprinkler system to your changing landscape and ensure a healthy and well-watered lawn.
The first step is to thoroughly understand your existing sprinkler system. This includes identifying the type of sprinkler heads, the pipe material, and the overall system layout. Creating a map of your system is an invaluable tool for planning the relocation. Water pressure is also a critical factor to consider, as moving heads can affect the overall pressure in your system. Consider the following checklist for understanding your system:
- Identify sprinkler head types (spray, rotor, impact).
- Determine pipe material (PVC, poly, copper).
- Map the system layout (head locations, main lines, lateral lines, valves).
- Assess water pressure at each head.
Next, you need to plan the relocation carefully. This involves determining the new locations for the sprinkler heads, calculating the required materials, and developing a detailed plan of action. Accurate material calculation and a well-defined plan will minimize errors and ensure a smooth relocation process. Key planning steps include:
- Determine new sprinkler head locations, considering coverage and obstacles.
- Calculate required materials (pipe, fittings, Teflon tape).
- Develop a detailed plan of action, outlining each step.
- Choose the right tools (shovel, pipe cutter, PVC cement, pipe wrench).
The actual sprinkler relocation process involves digging trenches, cutting and connecting pipes, installing sprinkler heads, testing the system, and backfilling the trenches. Follow these steps carefully to avoid leaks and ensure a successful relocation. Remember to:
- Dig trenches deep enough to protect pipes from damage and freezing.
- Cut pipes cleanly and connect them securely using the appropriate fittings.
- Install sprinkler heads level with the ground and adjust spray patterns.
- Test the system thoroughly for leaks before backfilling.
- Backfill trenches carefully, compacting the soil to prevent settling.
By following these steps and paying attention to detail, you can successfully move underground sprinklers and adapt your system to your changing landscape. Remember to consult with a landscaping professional or irrigation specialist if you’re unsure about any aspect of the project.
Frequently Asked Questions (FAQs)
How deep should I bury my sprinkler pipes?
The depth at which you should bury your sprinkler pipes depends on your local climate and the risk of freezing. In general, pipes should be buried at least 6-12 inches deep to protect them from damage and freezing. In colder climates, you may need to bury them deeper to prevent freezing during the winter months. Check with your local building codes for specific requirements in your area. (See: Flavor Rice Rice Cooker)
What type of pipe should I use for my sprinkler system?
The type of pipe you should use depends on your existing system and the specific application. PVC (Polyvinyl Chloride) is a rigid white or gray pipe commonly used for main lines due to its durability and resistance to pressure. Polyethylene (Poly) is a flexible black pipe often used for lateral lines connecting to sprinkler heads because it’s easier to work with and can bend around obstacles. Choose the pipe material that matches your existing system and meets your specific needs.
How do I prevent leaks in my sprinkler system?
Preventing leaks requires careful attention to detail during installation. Ensure that all connections are properly sealed using Teflon tape for threaded fittings and PVC primer and cement for PVC pipes. Tighten fittings securely but avoid overtightening, which can damage the threads. Use high-quality fittings and pipes that are designed for sprinkler systems. Regularly inspect your system for leaks and address any problems promptly.
How do I adjust the spray pattern of my sprinkler heads?
The method for adjusting the spray pattern depends on the type of sprinkler head. Spray heads typically have an adjustment screw that allows you to adjust the distance and pattern of the spray. Rotor heads often have adjustable nozzles that allow you to change the angle and range of the rotation. Consult the manufacturer’s instructions for specific details on how to adjust your sprinkler heads. Proper adjustment ensures even coverage and prevents wasted water.
Can I add more sprinkler heads to my existing system?
Yes, you can add more sprinkler heads to your existing system, but you need to consider the water pressure and flow rate. Adding too many heads to a single zone can reduce pressure and result in inadequate coverage. You may need to adjust the system’s configuration or even add a new zone to accommodate the additional heads. Consult with a landscaping professional or irrigation specialist to determine the optimal number of heads per zone and ensure that your system can handle the additional load.
