Gregg’s Sand and Gravel Density Monitoring Review
An independent review for possible density measurement around the EvoWash dewatering and sand-washing process at Gregg’s.
Washed sand density monitoring at Gregg’s plant in Northern Ireland
Gregg’s Sand and Gravel Plant in Northern Ireland uses modern washing and dewatering equipment to produce washed sand and gravel. The SDM ECO can continuously measure density on a suitable pumped feed or related process-water line without a nuclear source, giving operators additional context between product checks. PMA would confirm the present flowsheet and the line where the data can support an operating decision.
Application note: This guide uses published process information to identify where SDM ECO measurement may be useful. PMA would confirm the current process, pipe conditions and calibration range before recommending an installation.
Representative Rhosonics quarry application image. It is not presented as a photograph of Gregg’s Sand and Gravel Plant.
Quarry process and SDM ECO opportunities
The review should complement existing plant controls and product testing.
Local process and material
The public project update identifies a sand-and-gravel plant and an EvoWash installed to improve the effectiveness of washing and dewatering.
Where SDM ECO can help
A stable pumped feed to the EvoWash or a related process-water line may warrant screening where solids loading influences performance.
What to confirm
Confirm the current process arrangement, pump and pipe data, product grades, water additions, density range, air risk and representative reference method.
Application considerations
An EvoWash has multiple inputs and outputs. A reading at one line should not be treated as a proxy for final moisture, grading or product compliance.
A practical SDM ECO review pathway
These four steps show how PMA would assess a potential SDM ECO duty, from selecting the process stream through to validating the measurement against representative site data.
1. Confirm the flowsheet
Verify the present EvoWash feed and return-water arrangement.
2. Choose the question
Separate feed consistency from product-quality outcomes.
3. Survey the point
Check full pipe, flow stability, air and access.
4. Compare evidence
Use product and process records during commissioning.
Where continuous density may add value
A density trend may support diagnosis of feed consistency, water balance or changing loading and help connect process conditions with product-test results.
What PMA would verify on site
PMA would identify the exact question, inspect suitable pipework and compare the online trend against process and sample data before recommending operational use.
Sources and application guidance
Public facts used for this site profile are linked below. Process descriptions can change, so PMA would confirm the current flowsheet, operating range and measurement objective directly with the operator before proposing hardware.
Continue exploring
Return to the UK quarry application library, review mining slurry measurement guidance, or see the SDM ECO product page.
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