French Drain
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French Drains in Hawaii
French drains are used in Hawaii to drain excess water in yards. Because it rains a lot in some areas of Oahu, homes that are next to hills or slopes may collect substantial amounts of water if there is no drainage system. Yard drainage in Honolulu is often needed in the valleys such as Nu’uanu, Manoa, and Palolo valley. Other areas that have heavy rain such as Mililani, Waipahu, Aiea, and Kaneohe can benefit from a French drain system. If your lawn or lot is constantly flooded or there’s a lot of pooling of excess water, it is recommended to evaluate your home and lawn to see if a French drain system is right for you.
What is a French Drain?
A French drain is a drainage system that involves digging a trench underground and laying a pipe inside. The pipe or trench will help to funnel excess water from the highest point of your lot and out of the lowest part. It can be topped off with gravel, rock, mulch, turf so that you do not see the drain or fall into the trench. If desired, it can be virtually invisible. This system uses gravity to direct rainwater at the surface toward the lowest point and prevent over-saturation and is a great way to get excess water off your land.
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Frequently Asked Questions (FAQs)
Why should I consider a French drain?
You should consider installing a French drain if you notice water pooling on your lawn after heavy rain. Even more so if your lawn takes days to dry afterward or if water gets into the lowest level of your home. If you live next to a stream or natural spring, you may also notice water coming up into your lot sometimes, even if it hasn’t rained. These are clear signs that you have a problem with lawn drainage. The first step is to contact a company like ourselves to evaluate the issue. We have a team specializing in building French drains in Honolulu and Oahu. After visiting your place, we will put together a recommendation and estimate at no cost to you.
How much does it cost to build a French drain in Oahu?
Building a French drain system is not cheap and usually starts at $10,000. The price will vary with the size and configuration of your home and lawn, and how many feet of drainage is needed. Government permits are usually required and plumbing and concrete work are often needed. Procedures that can only be done by experts starting with the right measurements and excavation will be done. Water pressure needs to be considered as well.
While it may be complicated to calculate the price estimate, the estimate or quote is free! Excess water can be damaging to a home and its value. The added value of having a French drain in a home that needs it far exceeds the cost.