Thursday 22 September 2011

Murrayfield Golf Club – Drainage 4th Fairway – Phase II

 Drainage 4th Hole


Members will remember that earlier this year we replaced a large section of the main drainage pipe that runs down the left-hand side of the 4th fairway, the original pipe work had been damaged by tree roots and was beyond repair.

Next week (weather permitting) we intend to commence phase II, the plan is to excavate and refurbish the existing drain, which crosses the fairway at approximately 230 yards from the teeing ground.

We will remove the existing turf (which has an extremely high thatch content) and gravel from over the top of the drain, as this gravel is now contaminated with debris.
This contamination is now slowing infiltration rates and is causing surface flooding, especially after excessive rainfall.

Locating pipe work

Existing gravel contaminated with soil and debris

Once the drain has been covered with fresh 15/ 20 mm diameter gravel, a 50 mm layer of 2-4mm diameter grit will be added.

The grit layer will prevent the new root-zone from being washed down and mixing with the gravel, consequently, ensuring rainwater can drain freely down to the drainage pipe.

Finally, the drainage line will then be returfed with new turf and marked as ground under repair. 

Drainage 16th Hole

We will shortly be announcing plans to start a phased improvement program to the drainage system from the 16th fairway and hope to commence excavations later this year. 



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