11th green drainage

Work to renovate the drain lines on the 11th green has recently been completed. 


We started by cutting the turf above the drains and laying it to the side to replace later. 


The sand used as backfill previously was dug out by hand and taken away. 


The sand is actually crushed sandstone and is made up of mostly square shaped particles. These sit close together and provide very little pore space for water to percolate through. 


We removed the pipe and rinsed it out ready to put back in. While the pipe was out we took the opportunity to check the levels of the drain and found the central section was flat with virtually no fall and the back third was actually running the wrong way. This was rectified and the pipe replaced. 


We replaced the pipe and filled the trench with 10mm gravel leaving 6″ for rootzone at the top. The gravel was firmed up before the rootzone was added and heeled in as firmly as possible. The centre on the drain line has been left fractionally proud intentionally to allow for the inevitable settling of material. 

The rootzone is a mix of 80% sand and 20% soil which will allow water to drain through to the gravel but at the same time hold on to enough moisture in summer to avoid the drain lines burning out. 


We then replaced the turf and tied it all in before brushing and blowing the green to clear any spillages of gravel and rootzone. 

The drain lines were then carefully rolled to smooth out any bumps. 

It is important to remember that the material used in the drain lines is completely different to the rest of the green. As a result the drain lines will always be visible to a degree. 

What we have now however is a functioning drainage system which can be added to over time creating a lattice of extra channels which will quickly and efficiently remove surface water. 

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3 thoughts on “11th green drainage

  1. George Anderson November 22, 2016 / 8:44 am

    Looks great and pleased to see problem resolved. Well done to team.

    Like

  2. Derek Gordon November 27, 2016 / 10:38 am

    Once again, another great job done by the guys. Chris’s reputation just gets better and better. Great to see the green staff are much happier and always willing to chat and pass on information.

    Like

  3. steve kemlo December 7, 2016 / 3:36 pm

    Greens are superb for this time of year Chris,and the 11th looks much better, course is looking good .

    Like

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