Tag Archive for: Relief

Terrain Aeration relief for housebuilders

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Terrain Aeration relief for housebuilders: One problem facing housebuilders both before and after development is ground compaction. Open spaces designated for building may suffer years of neglect, constant foot traffic or use of wheeled machinery resulting in panning deep below the surface.

Similarly, during the building process bulldozers, diggers, dumper trucks and concrete mixer lorries flatten the air out of the soil in areas that will eventually become gardens and shared grassed areas. Often the land itself may have had previous buildings, and the subsoil contains old bricks, rubble and landfill. All these factors contribute to waterlogging which normal aeration cannot relieve.

Terrain Aeration relief for housebuilders

Terrain Aeration relief for housebuilders

Terrain Aeration’s Housebuilder’s Division has developed the specialist machinery and a full service needed for deep penetration aeration to relieve the problem of heavy compaction and waterlogging. Designed to access tight areas, their Terralift tracked aerator can enter small gardens through a gateway or garage and provide unique one-metre-deep aeration. At this depth, compressed air is released via a probe to fracture the soil and create fissures, allowing drainage and letting oxygen reach deep into the soil. Such work has been carried out for many years by Terrain Aeration for the UK’s leading housebuilders including Taylor-Wimpey, Barratt and Persimmon. A typical recent contract saw them treating ten small gardens and a small open flower meadow for Barratt David Wilson Homes in East Anglia while a project for Taylor-Wimpey was treating an open space so the housing development could be signed off with the council as ‘decompacted’. In this instance, the full-size Terralift machines were used, driving the JCB road breaker probe into the ground. At one metre depth the compressed air, up to 20Bar/280psi, was released from the probe which, on the tail-end of the blast, injects dried seaweed. This sticks to the fissures created as the Terralift process is repeated at two-metre centre spacing on a staggered grid. The seaweed expands and contracts with the soil’s moisture content to allow drainage and aeration.

The Terrain Aeration process has been in operation for over thirty years, providing compaction relief for new-build gardens, sports grounds, golf courses, amenity areas and public spaces. The Terrain Aeration Tree Division provides the specialist treatment for Royal Parks and arboriculturalists throughout the UK.  Terrain Aeration 01449 673783 www.terrainaeration.co.uk

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Quick compaction relief at Phoenix GC

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Quick compaction relief at Phoenix GC: Tackling compaction on previous untouched ground, a Redexim Verti-Quake® 2516 has dramatically improved the downward movement of moisture at Rotherham’s Phoenix Golf Club.

The Verti-Quake®, delivered in September 2021, complements the aeration work conducted with their existing Redexim Verti-Drain®, with Multi-Sport Complex Manager Mark Smith citing outstanding results on some of the sites historically waterlogged areas.

Quick compaction relief at Phoenix GC

Quick compaction relief at Phoenix GC

Constructed on clay-based land, the 65 hectares that make up the complex includes cricket facilities, a bowling green and nine football pitches, alongside the 18-hole parkland golf course. Working with Mark on the maintenance is a team of five, meaning that operations such as aeration have been limited by time and resources. “The Verti-Drain® has traditionally been utilised on the greens but not on larger, open areas because of staffing levels” explains Mark.

“We’d seen a contractor utilising a linear aerator on our football pitch and decided something like that could bring benefit to areas, such as the fairways, on the golf course.” After exploring the options, Mark opted for the Redexim Verti-Quake® 2516 – offering a 1.6m working width and effective compaction relief down to 250mm. “As soon as it was delivered by our local dealer Cheshire Turf, we were out on some of the historically challenging areas and the results spoke for themselves. We went into the winter, and emerged the other side, so much drier than we ever have before.”

“Considering a lot of the areas we used it on had never been aerated previously, the Verti-Quake® broke straight through the compaction and helped to move the water down and towards the water courses – providing a much more cost-effective alternative to installing drainage.” After making such a strong first impression, Mark is now looking forward to the further improvements the Verti-Quake® can deliver. “If it’s open land, and it’s likely to get wet, we’re going to get the Verti-Quake® on it!” he says.

That mantra extends to work on other areas of the complex, including the football pitch, reducing the reliance on external contractors. “We’ll get the Verti-Quake® out during the end of season renovations, giving us important compaction relief and getting the ground repaired and recovered in time for the busy playing season.”

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Maximise workshop efficiency: Relief grind your cutting units

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Maximise workshop efficiency: Relief grind your cutting units: Ian Robson, of ProSport UK Ltd, the UK & Ireland Importer/Distributor for Foley Company, explains why relief grinding maximises the performance of reels by giving a factory finish every time.

Avital question for a workshop manager is how to maximise efficiency and minimise labour and maintenance equipment costs. One area to achieve excellent savings is to look at how you maintain the sharpness of your cutting units.

Maximise workshop efficiency: Relief grind your cutting units

Maximise workshop efficiency: Relief grind your cutting units

Firstly, why is having sharp cylinders (reels) that are the correct shape so important anyway? The answer is obvious – unhealthy turf brings a whole host of other issues which are costly to correct.

Therefore, prevention is a far more economic approach than a cure.

A huge amount of research and development has gone into designing a cutting unit to produce the cleanest cut possible with the least amount of fraying and tissue damage to the plant. The result is that all manufacturers of grass cutting equipment supply new units with relief ground edges.

WHY RELIEF GRIND?

Tests carried out by leading manufacturers have established that relief ground cylinders stay on cut up to 3 times longer than spun ground ones and require less horse power to drive the unit, resulting in greater fuel efficiency and less stress on the hydraulic power systems. In addition, a relief ground cylinder will withstand the abrasive effects of top dressing far better than one spun ground because the relief edge on both the bed-knife and the cylinder allows the top dressing to clear the cutting blades easily, helping to prevent the dulling effect seen on spun only units.

Continual relief grinding also decreases the squeezing and tearing of the grass as the units get dull, and most importantly it allows the cylinder to be returned to a factory specification perfect cylinder as quickly as possible.

The overall cleaner cut achieved by relief grinding gives a better after-cut appearance, increased recovery rate due to the clean cut of the grass and reduces the stress on components because less horsepower is needed to drive the cylinder.

As a reel wears flat and loses shape (becomes coned), more stress and strain is put on the cutting systems.

A 5-gang cutting unit with relief can require up to 4.5 HP (5 x 0.88HP = 4.5HP) to drive the cutting units therefore a 35HP engine has 30.5HP remaining to drive the rest of the traction system. A 5-gang unit which has been spun ground only, can require up to 13Hp (5 x 2.59HP = 13HP) leaving only 22HP to drive the rest of the traction system.

Maximise workshop efficiency: Relief grind your cutting units

Maximise workshop efficiency: Relief grind your cutting units

So, it has been established that relief grinding your cutting units saves you money not only by reducing workshop maintenance time with far fewer grinds but also through a reduction in fuel costs and replacement parts.

It is also important to acknowledge what relief grinding does for a reel. By removing metal from the trailing edge of the blade it forms a relief angle, which reduces the contact area of the cutting edges, resulting in less friction, longer wear life.

Typically, when a new mower is delivered the reels will be a perfect cylindrical shape. Over time the blade naturally loses shape, and the sharp edge it arrives with becomes flat and dull, often meaning the reel is no longer a perfect cylinder from end to end. This is referred to as ‘coning’ and a natural point for grinding to take place. The decision then sits between touch-up and spin grinding, or relief grinding.

If there is sufficient relief still on the reel then a quick touch-up is fine but once more than 50% of the relief has gone my advice would be to relief grind again and remove any coning. Failure to remove the coning will eventually be seen in an uneven cut appearance of your turf.

Foley machines are set-up for both choices, and some models, such as the ACCU-Sharp, ACCU-Pro and ACCU-Master, have automatic grinding pre-sets and adjustment systems to decrease time and labour.

But, the main question mentioned at the beginning comes back; how to get the most out of your workshop resources by choosing the most effective method to sharpen your cutting units. The answer is to trust the manufacturer’s judgement and return the reels as close to the original factory standard as possible, and for that, relief grinding is the best option. The bonus is this method also maximises performance and gives the best cut.

Deep aeration relief for Broadway Bowling Club

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Deep aeration relief for Broadway Bowling Club: Where once stood a croquet lawn and tennis courts, the Broadway Bowling Club opened its doors in 1919. It sits in an idyllic location in beautifully maintained grounds with scenic views towards the Cotswold escarpment and the Broadway tower; a ‘Saxon Tower’ folly that was the brainchild of 18th Century landscape designer ‘Capability Brown’.

The gently sloping banks of herbaceous flower borders and hedging change through the seasons and come days when the weather halts play, the club’s pavilion offers a pool table and an indoor skittle alley for members to enjoy.

Deep aeration relief for Broadway Bowling Club

Deep aeration relief for Broadway Bowling Club

It was during 2021 the weather brought matters to a head for Dennis Hall, Broadway’s Greenkeeper of ten years. Increasingly, the green was suffering from standing water after heavy rain, with one area getting progressively worse. Even in dry periods, it was noted the ground was frequently mushy when the mower went through the area. Avonmore Associates, the highly respected South Warwickshire sports grounds construction and maintenance company, regularly maintain the green with a regime of spiking and aeration. They suspected a deeper problem. As happens with many older bowling greens, the sheer volume of play over the years, combined with the substrate of the original construction, leads to compaction at a depth not reached by normal aeration. In Broadway’s case, there are mixed areas of stone and clay with insufficient release of standing water built up over time.

Avonmore suggested using Terrain Aeration, with whom they have worked on a number of projects, to bring in their Terralift machine to provide one metre deep aeration. At this depth, the ground is usually so compacted it requires fracturing to open up fissures and allow drainage. Terrain Aeration’s Terralift system works on the principle of hammering a hollow probe through the soil using a JCB road breaker gun, and compressed air is released up to 20Bar (280psi). At the end of the air blast, they inject dried seaweed, which sticks to the fissure walls. This expands and contracts with the moisture in the soil to keep the area breathing. Working to a grid with approximately two metre spacings allows the Terralift to create interlinked cracks and fissures deep underground to carry away the water. The 1.5-inch probe holes on the green are backfilled with Lytag aggregate and covered with topsoil, making it playable almost immediately. The work at the Broadway Bowling Club was carried out in November 2021 and Dennis Hall reports that they have had several periods of heavy downpour and the deep aeration has done the trick with no standing water to halt play.

Terrain Aeration 01449 673783 www.terrainaeration.co.uk

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Comic Relief: demonstration of support

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Comic Relief: demonstration of support: Fleet Line Markers Ltd is well known across the industry as the market leader in the manufacture of sports line marking paint and machines.

However, over the past 12 months Fleet have launched several projects using their expertise in the field to show a spectacular display of support for the NHS, Key Workers, VE Day and last November the giant Poppy to mark Remembrance Day. Staff voluntarily gave their time to show their support for the community and wider causes.

Comic Relief: demonstration of support

Comic Relief: demonstration of support

This month, a new challenge was set. Red Nose Day, in support of Comic Relief benefits so many and Fleet decided to go BIG! The project would take up the whole of the 1st XV Pitch at Malvern Rugby Club. Businesses sponsored a red nose and in return they had their company name displayed underneath a large red painted nose (scale shown below). If you look closely, you can see the goal posts at each end of the pitch. The results and feedback have been remarkable, you really do have to see it to believe it.

Fleet have been overwhelmed by the support for last year’s projects, which received a large amount of Media coverage with the VE Day Rainbow reaching National News and internationally as far as New Zealand and Japan. The Comic Relief challenge was no different, the response has been huge. A massive thank you should go out to all those involved.

Watch this space the challenges only get bigger! Here at Fleet we are all looking forward to what this summer will bring, with competitive sports now returning at all levels it looks to be a busy time. Headlining as official sponsor at The Sports & Grounds Expo (SAGE) is a key event in our calendar, the all new totally outdoor trade show for the grounds maintenance industry. With many key exhibitors signed already, SAGE looks to fall at an ideal time this summer.

There might be a few projects of our own to be released over the three-day event at The Three Counties Showground! Don’t miss it 27 – 29 July 2021, we’ll see you there! To find out more visit; www.sportsandgrounds.co.uk.

To find out more about what we can do for you at Fleet call 01684 573535 today or go online to find out more; www.fleetlinemarkers.co.uk

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