Emergency Sprinkler Repair Service Sprinkler Irrigation Systems Drainage Systems French Drains Surface DrainsSump Pumps Rain/Freeze Sensors Scheduled Sprinkler Repair

 

 

Sprinkler Repair is also very popular this time of year.  Folks in Central Oklahoma are turning on their Sprinkler Systems and discovering problems.    We fixed several leaks in a Sprinkler System in Edmond.  The sprinkler pipes were leaking in several places.  Each leak had to be cut out and replaced.  The Sprinkler System was fairly new.  It was installed last summer by a Pool Company that also installs cheap sprinkler systems. All the joints in the sprinkler pipes were glued together with clear PVC Cement.  That part is OK, But they cut some corners and didn’t use PVC Primer with the glue.  As a result the joints didn’t bond very well and many of them blew apart this spring when the sprinkler systems was turned on.  (Thus all the leaks)  I suspect we will have to go back several times to fix additional leaks.  We can only warranty the PVC joints that we have replaced.   Cheaper isn’t always better.

 

Just what is a “French Drain?”  Many times people incorrectly use the phrase, “French Drain,”  to apply to many different types of Drains that could be used in a Drainage System.  The term is widely used and many times incorrectly connected to “Surface Drains,” or “Channel Drains.”

A Surface Drain has a grate that sits on top of a basin.  The basin is underground.  A Drain Pipe is connected underground to an outlet on the Drain BasinStorm-Water Drains through the grate into the Drain Basin.  Once in the Drain Basin, water travels out of the basin through a Drain Pipe.  The Storm-Water continues downhill in an underground Drain Pipe to an exit point.

THIS IS NOT A FRENCH DRAIN!

A Surface Drain may come in many different shapes or sizes.  The Drain Grate may be round or square.  Here is a picture of a common Surface Drain.

A Channel Drain is a type of Surface Drain and many times is installed in concrete across sidewalks or driveways.

A French Drain is completely different from a Surface Drain.  A basic French Drain consists of a Perforated Drain Pipe in the bottom of a trench.  The Drain Pipe should have a neoprene sock around the Perforated Drain Pipe.   This is to ensure that the Drain Pipe does not become clogged.

The dirt that was taken out to make the trench is hauled away.  It is replaced by some type of small stone or gravel depending on what is desired or available.  I prefer crushed 1 inch lime stone.  It is the most economical option in my area.  Pea Gravel or some other type of small stone can work just as well.    The lime-stone or gravel is placed in the trench on top of the perforated Drain Pipe and filled all the way to the surface (ground level).   In some cases where the French Drain needs to be deep or is being placed in sandy soil, a special trench liner must be placed in the trench before the perforated Drain Pipe or the Gravel are installed.  This helps maintain the integrity of the trench over time.  It also increases the cost of the French Drain and the amount of time to install it.  I install a trench liner in a French Drain about 20% of the time.  Most of the time a liner in not needed.

A French Drain is designed to handle a large volume of water and cover a large area. The Drain is anyplace the trench goes. It has many applications and can be used in many situations.  It can be installed by itself or incorporated into a Drainage System with Surface Drains or Gutter Down-Spouts connected to it.
The main downfall of a French Drain is that they, for the most part aren’t very pretty.  They don’t look very nice in a yard once they are completed.
Depending on the area the French Drain is installed and the type of grass around the French Drain, will dictate whether grass grows over the lime stone.  Grass can grow up and through the gravel in the French Drain over time eventually covering the gravel.  This is Ok.  It won’t have a measurable effect on the performance of the drain.
DONT COVER THE GRAVEL IN THE FRENCH DRAIN WITH DIRT.  THE FRENCH DRAIN WON’T WORK IF THE TRENCH IS CLOGGED WITH DIRT.  DON’T EVEN INSTALL IT IF YOU ARE GOING TO COVER IT UP WITH DIRT.

DECORATIVE STONE CAN BE USED TO COVER A FRENCH DRAIN AND THEY LOOK GREAT AND LAST A LIFETIME.

French Drains Can Look Great!

 

 

 

 

 

Comments
  1. […] Sprinkler Systems designed by CMG are SELF DRAINING.  When the Sprinkler System is not running, the Sprinkler Pipes drain underground.  This ensures that the Sprinkler Pipes will not freeze in the winter.   CMG Designed Sprinkler Systems are also fully automatic.  Your Sprinkler System can run on its own any time you want, day that you want, or as long as you want.  CMG can also install a Rain/Freeze Sensor that will turn off your Sprinkler System if it is too wet or too cold to water and you are not available to turn off the sprinkler system.  ( If your on Vacation for example)  The Rain/Freeze Sensorwill also turn the Sprinkler System back on again when it gets dry enough or warm enough to water again.  PRETTY COOL! […]

  2. […] 5. Sprinkler Zones or Sprinkler Stations that won’t work […]

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