Two test bunkers have been constructed at the short game area near the Pro Shop to sample and compare different bunker sands and construction methods. Below you will find a step by step explanation of a typical bunker rehabilitation proposed in the Renovation Plan.
Bunker sand was removed from 2/3 of each bunker. The remaining 1/3 was left undisturbed for comparison purposes.
Removal of the bunker sand reveals a 90 degree angle of sub-soil at the bunker edge. This 90 degree angle causes a deep layer of sand around the edges of bunkers.
This close up shows the deep layer of sand near the edges and the steep transition from 9" to a consistent 2"-3" of sand in the bunker flats.
Plugged lies are common in the deep layer of sand near the edges.
Once bunker sand was removed and drain lines cleaned a layer of clay was packed around the edges on the inside of the bunker. This layer of clay will allow the bunker sand to "mirror" the bunker bottoms providing a consistent 2"-3" sand depth throughout the entire bunker.
A bunker liner was added to the center section of each bunker. This bunker liner reduces contamination of soil into the sand and also hold the sand in place on any sloped areas during heavy rains.
Bunker sand was added and compacted.
A "view port" was left exposed to show the difference in edge construction. The left photo shows our current bunkers with over 10" of sand near the edge. The right photo shows a renovated edge where sub-soil is ramped to the edges allowing for a consistent sand depth throughout the bunker.
From left to right "North Face" "Best Tour Grade Signature" & "Steep Face"
On October 5th a heavy thunderstorm dumped 2.5" of rain in a short period of time. Notice how the sand in the middle installed with a liner didn't wash while the other 2 sands washed from the bunker edges.
