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Wimbledon Grass Maintenance Brochure

WIMBLEDON sand infill turf is a type of surface combining the benefits of select silica sand materials with the merit of the newer synthetics. It will perform satisfactorily with minimum maintenance. However, if a surface is to perform correctly for those players with higher skills and maintain its engineered comfort and safety, a more systematic method of maintenance is recommended. The following suggestions are intended as a guide to maintenance activities.

BRINGING THE NEW WIMBLEDON SURFACE INTO USE
Following construction there is an initial working-in period during which several factors may require attention in order for the playing surface should achieve its potential high standard for play.

Sand Compaction: Full penetration of the sand infill medium and its subsequent compaction occur naturally with normal rainfall and initial process of play. If construction has taken place during an exceptionally dry spell, an excessive amount of grass may become exposed following the early playing period. This requires correction for the surface to achieve optimum playing potential by the addition of further sand. This should be evenly distributed over the area, to bring the sand to a level exposing about 2-3mm of grass blade.
Even Distribution of Sand: During the initial infill procedure every effort will have been made to ensure even distribution of the sand over the surface area. Experience, however, shows that increasing the frequency of “brushing” in the early weeks of use is beneficial. The process is neither difficult nor time consuming. The technique for “brushing is described in the section below.
Non-slip Properties: Occasionally minor slipperiness may occur when the surface is new and after rain or watering. This will quickly disappear when the surface has weathered and the lubricants used in manufacture are dissipated.

MAINTENANCE
WIMBLEDON is a totally Australian enterprise. The sports surface systems provided are superbly suited to domestic, commercial – amateur or professional application. Normal turf, sand or loam surfaces cannot compare with the resilience and sustained performance that a WIMBLEDON sports surface will maintain under the most severe conditions. The upkeep required to maintain the engineered high performance standard is essentially the same for all sporting surface applications.

The above information is based on current research information. Wimbledon assume no liability to anyone adopting these suggestions.

Large Areas: WIMBLEDON recommends the use of a CROWE Surface Revitalizes Sweeper Unit (available from your State Distributor with a plastic bristly brush system). Slight pressure should be applied to the brush so that the sand is moved but does not build-up excessively in front of the brush. The revitalizes arm should be adjusted to gently move the infill and keep it in a loose porous condition.
Good Housekeeping: Leaves, twigs, litter will not harm WIMBLEDON surfaces but playing performance is maintained when the surface is kept tidy.
Surface Treatment: Periodic maintenance treatment of the surface is recommended with chemicals toxic to algae. Once a month in normal weather and once a week in very wet weather or when algae may be evident. A number of commercial treatments, which are environmentally safe, are available.
(a) Copper compounds such as Copper Sulphate Solution may be effective, but their long term cumulative side effects are not known and routine application is not recommended.
(b) Hypochlorite Solutions (or other swimming pool treatments) are effective, cheap and readily obtainable. Concentrations should be adjusted as per instructions for chlorinating swimming pools and the solution applied at the rate of one gallon per square yard (4 litres/square metre).
(c) Sodium Salt of Dichlorophene (e.g. Panacide) Solutions containing 0.2% active agent. The Solution can be prepared by dissolving one tablespoon of Dichlorophene Salt in one gallon of water and applied at the rate of one gallon of solution to one square yard of surface. N.B. In case of severe infections, dosages of all treatments above can be temporarily doubled.
Note:

WATERING
Water requirements become virtually negligible, whilst still maintaining a manicured appearance. However, some installations may have a need for light watering only. The main reason for watering is essentially linked to player preference and comfort. The surface temperature can be significantly reduced by watering, creating a cool playing surface underfoot, thus reducing strain on the players. Also, ball characteristics can be adjusted, to a much lesser degree, by watering A cricket pitch can play fast (after watering) or slow without watering). Other ball responses are principally governed by the structure of the playing surface, i.e. the combination of rubber underlay an/or sand infill, depth of pile etc.

Note: WIMBLEDON does not recommend excessive watering as this tends to move the sand and causes the yarn to bend over. The court then becomes slippery and the surface yarn will be fused and glazed. If excessive watering of the court is continued, this could have an adverse effect on the Warranty.
Maintenance Agreement: WIMBLEDON suggest you enter into a Maintenance Agreement with your supplier during the initial settling-in period.

DISCOLOURATION OF SYNTHETIC GRASS SURFACE
Synthetic grass surfaces, after long exposure in certain environmental conditions, may develop in these conditions, a discolouration which appears in small random patches, detracting from the appearance of the surface. The most common types are red-brown, green to dark green and light green discolouration. These are due to the growth of various species of algae on the filling sand. In severe cases it is possible for the growth to extend to the polypropylene yarn. Polypropylene yarn and filling sand on their own do not provide sufficient inorganic nutrients to sustain alga growth. However, input from atmospheric dust and the surrounding vegetation can provide adequate nutrients to support the growth of algae. Common soil and aquatic algae may grow prolifically when transported in air currents and deposited on continually wetted filling sand. The eradication of an established alga growth can be difficult, and prevention is the best course to be adopted.

ALGAE GROWTH PREVENTION
The removal of excessive moisture during wet weather. This can only be achieved by good drainage from the underlying cement slab. For sand to dry quickly, the cement slab should be perfectly smooth and graded. Even small depressions in the slab are sufficient to hold enough water to promote alga growth. Drainage within the slab in new constructions may be a worthwhile consideration.

WIMBLEDON STAIN REMOVAL CHART

WATERBORNE AND MISCELLANEOUS STAINS REMEDY
Acid, alcohol, animal urine Sponge with detergent and cold water.
alkali, blood, coffee, tea., chocolate, dyecreams, latex paint, milk, mustard, water colours.
This method will be effective even after glue, fruit juice, ice coke. 24 hours NOTE: It is important To use just enough fluid to irrigate solid particles out of fibre. Too much fluid will leave a “ring”. Clean from outside of stain in towards centre so as not to leave a ring.
PERSISTENT STAINS REMEDY
Chewing gum, Crayon Apply ice and scrape. Sponge with dry cleaning solvent.
Lipstick Sponge with dry cleaning solvent.
Metal polish Sponge with dry cleaning solvent.
Furniture stain Sponge with dry cleaning solvent.
Tar Scrape excess,
sponge with dry cleaning solvent.
Oil paints Blot immediately.
Sponge with turpentine or paint remover. Blot with detergent and water. re-sponge with cold water to remove detergent.
Paraffin Wax Scrape excess, sponge with dry cleaning solvent
EMULSIFIED STAINS REMEDY
Cosmetic, ink, shoe polish Sponge with detergent and cold water. Apply solvent. Clean solvent residue with soap and water. Re-sponge with cold water and remove detergent.
MOSS BUILD UP REMEDY
Tennis courts Diluted chlorine solution to Pool areas kill bacteria.