upper rootzone containing the Desso along the West stand side”
“First task was to remove the existing track and
being prepared. These two sides would then be married together to produce the finished surface. Work began in earnest on the 14th May, with the machinery being delivered the day before. This consisted of two JCB 360s, one JCB front loader, one D5 bulldozer, three dumpers and a small JCB digger. First task was to remove the
existing track and upper root-zone containing the Desso along the West stand side of the pitch, as this was the side we wanted to complete first. This also allowed the East stand side to be used as a storage area for machinery and materials. Next, we removed the existing under soil heating pipes which were cut up and removed from site in skips. More root-zone was then removed to obtain our sub- base level - in all there was around 300mm of root-zone removed. The lower root- zone was then compacted in various directions using a 12 tonne vibrating roller. The sub-base was then laser graded using the D5 to create the correct levels to work from.
Whilst this work was being
carried out the new kerb edgings were being laid along the West stand and half of the North and South stands to give us our new pitch and track levels. The next task was to begin putting in the various pipework needed, which included the main carrier drain from our East to West stands and the laterals and main carrier drain for the West stand side of the pitch. These pipes were all on top of a Visqueen layer, an impervious membrane which will ensure that the air is maintained within the sand profile once we have our sub-
SURFING? You just got lucky
TURF
air units running. Once the pipes were in we began bringing in the gravel to form our drainage carpet. The gravel was laid to a depth of 150mm and used around 2,000 tonnes of material. After the gravel was graded we began laying out the new under soil heating pipes directly on top. These were set at 30cm centres and use approximately 19 miles of pipework. The new irrigation system was put in on the West side, which will eventually consist of fourteen Hunter G995 heads around the outside of the pitch and six Hunter I41 heads within the turf surface. We were now at the stage
where we could begin bringing in the sand root- zone which will be graded to a depth of 300mm. This is specially blended for Hewitt sportsturf to achieve the most desirable root-zone. We will eventually have used over 4,000 tonnes of sand into which will then be mixed around 100 tonnes of a soil root-zone, containing Fytozone, to give us a 97% sand profile. This will then be constantly laser graded to achieve the desired levels. All of these operations will then be replicated on the East side of the pitch until we are at a point where we can marry the two sides together. We currently have a provisional date of 18th June for Desso to begin work on one side of the pitch, which we are very optimistic of achieving, especially with the excellent and very well organised team Hewitt’s have in place here. Whilst Desso are working on the surface we will carry on with the work required on the new track. The pitch should be ready for seeding around the beginning of July which will give us about six weeks of
growing in time to be ready for the start of the new season on 11th August. As I write this article we have begun work on the East side of the pitch where we have dug through an old
carrier drain and lateral which we have found to be approximately 90% clogged up with silt, which justifies our decision to install new drainage.
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