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NELSON AGGREGATE

Nelson Aggregate Co. is an Aggregate Mining and Construction Materials Supply Company. We are involved in the extraction, manufacturing and distribution of Crushed Limestone, Sand and Gravel, and Asphalt Products required in the Construction Industry.

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QUALITY CONTROL

Our onsite laboratories allow us to constantly monitor our products and adjust for variations in processing the natural resource, thereby maintaining product quality & specifications. The laboratories are regularly certified by the Canadian Council of Independent Laboratories (CCIL) as Type C labs. Yearly proficiency testing is carried out at each of our certified labs to meet the requirements of the Ministry of Transportation (MTO) & CCIL. If you have any questions about our processes or certifications feel free to contact our Quality Control Department.

Gradations

(Sieve Analysis) - The determination of the particle size distribution of fine and coarse aggregates. We typically produce our products to meet the OPSS gradation requirements. See Below for the gradation requirements by material category.

Material Category

Specification

Hot Mix Asphalt Aggregates

Miscellaneous Aggregates

Surface Treatment Aggregates

Base, Sub-base, Select Subgrade & Backfill Material

Physicals

Testing performed to determine the physical characteristics of fine and coarse aggregates. The chart below shows some of the typical tests performed on the aggregates. The application helps dictate which physical tests are required for a product.

Test Name

LS Specification

CSA Specification

Materials finer than 75um by Washing

LS 601

A23.2-5A

Relative Density & Absorption of Course Aggregate

LS 604

A23.2-12A

Soundness of Aggregates by use of Magnesium Sulphate

LS 606

A23.2-9A

Determination of Percent Crushed Particles

LS 607

Determination of % Flat & Elongated Particles

LS 608

A23.2-13A

Petrographic Analysis of Course Aggregate

LS 609

Freezing and Thawing of Course Aggregate

LS 614

A23.2-24A

Micro-Deval Abrasion (Coarse Aggregate)

LS 618

A23.2-29A

Micro-Deval Abrasion (Fine Aggregate)

LS 619

Accelerated Mortar Bar Expansion

LS 620

A23.2-25A

Determination of Amount of Asphalt Coated Particles

LS 621

Determination of Amount of Contamination

LS 630