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  Golf Course Lakes
 
  Design Notes:
 
Site Preparation
Regardless of choice of lining products, subgrade preparation is critical to a successful project. The lining system will only be as good as its supporting structure. Care should be taken to match the right lining material with local site conditions
.

This lakes's bottom is well-prepared. The surface is compacted, smooth, and free if sticks and rocks that could puncture the liner. These steps ensure that the liner will function as designed.

   
 

Pre-fabricated Panels
The use of large fabricated panels allows field installation crews to install acres of lining per day while limiting the number of field seams.

Fabrication is available for all materials except Polyethylene and EPDM.

Pre-fabricating lets our crews install liner in panels of up to 25,000 square feet.

Panels are delievered in rolls, marked for placement.

   
 
Field Seams
The type of liner material used determines the type of field seam required. We work closely with you to determine what lining material matches your design and engineering specifications.

We can provide full field installation with our certified crews and CLI state-of-the art equipment.

Seams are tested by air testing seams and pulling destructive samples.

     
   
Pipe Boots
A pipe boot is a "sleeve" that allows mechanical piping to be placed as needed without destroying the integrity of the liner.

Pipe boots are prefabricated and selected to work in tandem with the lining your project specifies.

Pipe boots can be pre-made to your liner type and outer-diameter pipe specifications. Shipped with the liner to your site, this step reduces field installation time.

Pipe boots are also available in 90-degree and slope boots.

     
   
Anchor Trenches
To secure the edges of the lining in an earthen pit, an "anchor trench" is dug. Anchor trenches are approx. two foot wide by two foot deep (2' x 2') and one foot back from the crest of the berm (standard trench dimensions and depth vary according to project design.)
This example of an edge anchor trench utilizes a "U" cut to permanently stabilize the liner. Slightly rounding corners of the trench avoids sharp bends in the geomembrane. The trench itself needs to be free of loose soil and rocks.
     
   
Edge Treatment
As with all lining used in golf construction, care should be taken to design a good edge transition from water to fairway. A safety bench and edge treatment are recommended.
For larger lakes, erosion and wave action should be taken into account. The use of rip-rap, concrete shore protection or synthetic erosion control protection is highly recommended.
     
   
A note on safety:
Many projects utilize a safety bench designed at 3' below the operating surface. This bench solves several potential problems. First, as the name implies, it allows someone who may fall into the lake an area on which to stand and exit the lake. It also allows the golf course contractor or architect the ability to create a nice looking edge around the lake, both protecting the lining from possible mechanical or spike damage and also creating an aesthetically pleasing finish.
     
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