european turfgrass laboratories ltd - etl-ltd.com
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European TurfgrassLaboratories LtdInformation Sheet – Test Sequence for New Golf Green Construction
This is a guide for the different testing required for a new golf green construction.
Please allow time during each stage for thelaboratory to process your testing needs.Some tests take longer than others to complete.
STEP 1Source USGA Approved Testing Laboratory
STEP 2Source Suitable Construction Materials Close to Project
STEP 3Check Particle Size Distribution & pH of Sand
Check Particle Size Distribution of Gravel
STEP 4Check Sand/Gravel Compatibility
STEP 5Check Organic / Inorganic Amendments for Suitability
STEP 6Select the Best Materials for Rootzone Mix
STEP 7Determine the Best Mix Ratio for Rootzone
STEP 9Establish a Quality Control Program for Use During Construction
STEP 8Prepare a Small Bulk Mix for Testing
European TurfgrassLaboratories Ltd
STEP 1Source a USGA approved testing laboratory. The USGA website displays the list of A2LA-accredited laboratories. The USGA only recommend the use of A2LA-accredited laboratories.
STEP 2Begin to source suitable construction materials close to the project. Choose potential sands for greens rootzone. Choose gravel for use as a drainage layer in golf green construction. Ideally, silica sands are best. Sands with no lime content are preferable.
STEP 3Check particle size distribution and pH of the sand. Check the particle size distribution of the gravel. The results are compared to the 2004 USGA Recommendations.
STEP 4Check the sand/gravel compatibility (bridging, permeability and gravel uniformity) to ensure that these materials satisfy the USGA recommendation for bridging and permeability factors. This is based on engineering principles that rely on the largest 15% of the rootzone particles bridging with the smallest 15% of the gravel particles. Compatibility is calculated mathematically.
STEP 5Check the organic and inorganic amend-ments to be used in the greens rootzone for suitability. Organic amendments include peat, soil, compost (aged for at least 1 year), rice hulls, finely ground bark or sawdust. Inorganic amendments include zeolite, calcined diamtomites or calcined clays (porous ceramics).
STEP 6From the results obtained in Steps 3 - 5, select the materials to be used in the rootzone mix. Instruct the laboratory which materials have been selected for use in the greens rootzone.
STEP 7Determine the best mix ratio for the rootzone. The laboratory will conduct a USGA-Design test where we produce 3 mixes using the selected sand organic/inorganic materials. Each root-zone is tested for particle size distribution, pH, particle shape, organic matter content, percolation rate, bulk density, total porosity, air-filled porosity, water-filled porosity and water retention. The results are compared to the 2004 USGA Recommendations.
STEP 8 Prepare a small bulk mix of the best rootzone chosen from Step 7 and submit to the laboratory for testing. This is to ensure that the bulk mix produced in the field is comparable with the laboratory developed rootzone mix.
The laboratory will conduct a USGA test. The rootzone is tested for particle size distribution, pH, particle shape, organic matter content, percolation rate, bulk density, total porosity, air-filled porosity, water-filled porosity and water retention. The results are compared to the 2004 USGA Recommendations.
STEP 9Establish a quality control program during the rootzone blending phase. The sand particle size distribution should be checked for consistency at regular intervals. We suggest a minimum sampling of the rootzone at every 1000 tonnes. The rootzone should be submitted for a full USGA test – this enables the rootzone blender, if necessary to make adjustments to the peat content to maintain the desired physical properties.
European Turfgrass
Laboratories Ltd (ETL)
provides an independent
and unbiased service for
the analysis of soils, sand,
peat, gravel, rootzone and
other materials specifically
for the turfgrass and
landscape industries.
Why Test with ETL?
Having materials tested provides an invaluable and essential tool for golf course architects, agronomists, course superintendents, and groundsmen in making an informed decision on which materials are right for you and your projects needs.
Testing at ETL can provide data to help with:
• Selecting materials for new construction projects• Identifying problems with rootzones or topdressings• Recommending soil nutrient levels• Ensuring materials are compatible• Choosing suitable bunker sand• Determining suitable construction depths for different materials• Ensuring irrigation water is fit for use
Providing accurate and independent analysis of materials gives you the comfort of knowing that Europe’s first A2LA-accredited and USGA approved laboratory is working together with you and for you.
If you would like more details of our full range of services or our scope of accreditation, please contact us at the address below:
European Turfgrass Laboratories LtdUnit 58, Stirling Enterprise Park, Stirling, FK7 7RP, Scotland, UK
Tel No. 0044 (0) 1786 449195
Fax No. 0044 (0) 1786 449688
Email: [email protected]
Website: www.etl-ltd.com
Why test with ETL?Having materials tested provides an invaluable and essential toolfor golf course architects, agronomists, course superintendents, and groundsmen in making an informed decision on which materials are right for you and your projects needs.Testing at ETL can provide data to help with:
• Selecting materials for new construction projects
• Identifying problems with rootzones or topdressings
• Recommending soil nutrient levels
• Ensuring materials are compatible
• Choosing suitable bunker sand
• Determining suitable construction depths for different materials
• Ensuring irrigation water is fit for use
Providing accurate and independent analysis of materials givesyou the comfort of knowing that Europe’s first A2LA-accredited and USGA approved laboratory is working together with you and for you.
If you would like more details of our full range of services or ourscope of accreditation, please contact us at the address below:
European Turfgrass Laboratories LtdUnit 6, Millar Court, Alloa Business Park, Alloa, ClackmannanshireFK10 3SA, Scotland, UK
Tel No. 0044 (0) 01259 725060Fax No. 0044 (0) 01259 722289Email: [email protected]: www.etl-ltd.com
European Turfgrass
Laboratories Ltd (ETL)
provides an independent
and unbiased service for
the analysis of soils, sand,
peat, gravel, rootzone and
other materials specifically
for the turfgrass and
landscape industries.
Why Test with ETL?
Having materials tested provides an invaluable and essential tool for golf course architects, agronomists, course superintendents, and groundsmen in making an informed decision on which materials are right for you and your projects needs.
Testing at ETL can provide data to help with:
• Selecting materials for new construction projects• Identifying problems with rootzones or topdressings• Recommending soil nutrient levels• Ensuring materials are compatible• Choosing suitable bunker sand• Determining suitable construction depths for different materials• Ensuring irrigation water is fit for use
Providing accurate and independent analysis of materials gives you the comfort of knowing that Europe’s first A2LA-accredited and USGA approved laboratory is working together with you and for you.
If you would like more details of our full range of services or our scope of accreditation, please contact us at the address below:
European Turfgrass Laboratories LtdUnit 58, Stirling Enterprise Park, Stirling, FK7 7RP, Scotland, UK
Tel No. 0044 (0) 1786 449195
Fax No. 0044 (0) 1786 449688
Email: [email protected]
Website: www.etl-ltd.com
Why test with ETL?Having materials tested provides an invaluable and essential toolfor golf course architects, agronomists, course superintendents, and groundsmen in making an informed decision on which materials are right for you and your projects needs.Testing at ETL can provide data to help with:
• Selecting materials for new construction projects
• Identifying problems with rootzones or topdressings
• Recommending soil nutrient levels
• Ensuring materials are compatible
• Choosing suitable bunker sand
• Determining suitable construction depths for different materials
• Ensuring irrigation water is fit for use
Providing accurate and independent analysis of materials givesyou the comfort of knowing that Europe’s first A2LA-accredited and USGA approved laboratory is working together with you and for you.
If you would like more details of our full range of services or ourscope of accreditation, please contact us at the address below:
European Turfgrass Laboratories LtdUnit 6, Millar Court, Alloa Business Park, Alloa, ClackmannanshireFK10 3SA, Scotland, UK
Tel No. 0044 (0) 01259 725060Fax No. 0044 (0) 01259 722289Email: [email protected]: www.etl-ltd.com
European Turfgrass
Laboratories Ltd (ETL)
provides an independent
and unbiased service for
the analysis of soils, sand,
peat, gravel, rootzone and
other materials specifically
for the turfgrass and
landscape industries.
Why Test with ETL?
Having materials tested provides an invaluable and essential tool for golf course architects, agronomists, course superintendents, and groundsmen in making an informed decision on which materials are right for you and your projects needs.
Testing at ETL can provide data to help with:
• Selecting materials for new construction projects• Identifying problems with rootzones or topdressings• Recommending soil nutrient levels• Ensuring materials are compatible• Choosing suitable bunker sand• Determining suitable construction depths for different materials• Ensuring irrigation water is fit for use
Providing accurate and independent analysis of materials gives you the comfort of knowing that Europe’s first A2LA-accredited and USGA approved laboratory is working together with you and for you.
If you would like more details of our full range of services or our scope of accreditation, please contact us at the address below:
European Turfgrass Laboratories LtdUnit 58, Stirling Enterprise Park, Stirling, FK7 7RP, Scotland, UK
Tel No. 0044 (0) 1786 449195
Fax No. 0044 (0) 1786 449688
Email: [email protected]
Website: www.etl-ltd.com
Why test with ETL?Having materials tested provides an invaluable and essential toolfor golf course architects, agronomists, course superintendents, and groundsmen in making an informed decision on which materials are right for you and your projects needs.Testing at ETL can provide data to help with:
• Selecting materials for new construction projects
• Identifying problems with rootzones or topdressings
• Recommending soil nutrient levels
• Ensuring materials are compatible
• Choosing suitable bunker sand
• Determining suitable construction depths for different materials
• Ensuring irrigation water is fit for use
Providing accurate and independent analysis of materials givesyou the comfort of knowing that Europe’s first A2LA-accredited and USGA approved laboratory is working together with you and for you.
If you would like more details of our full range of services or ourscope of accreditation, please contact us at the address below:
European Turfgrass Laboratories LtdUnit 6, Millar Court, Alloa Business Park, Alloa, ClackmannanshireFK10 3SA, Scotland, UK
Tel No. 0044 (0) 01259 725060Fax No. 0044 (0) 01259 722289Email: [email protected]: www.etl-ltd.com