Rock – Washed 3/4″ Rock

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Washed angular rock used in concrete mix designs as well as gravel backfill where a very clean rock is specified.

Sieve Results

Sieve Size% Passing
ASTM D4791 | Ratio=5:1
25.0 mm (1")100
19.0 mm (3/4")100
12.5 mm (1/2")77
9.5 mm (3/8")40
6.3 mm (1/4")2
4.75 mm (No.4")1
0.075 mm (No.200)0.4

Test Results

Physical Properties
C 29T19Unit WeightUnit Weight, lbs./cu.ft.96
D4318T89/90Liquid/Plastic LimitLiquid Limit0
Plastic Limit0
Plasticity Index0
C131T96L.A. AbrasionSmall Coarse Loss20%
C 127T85Coarse Specific Gravity & AbsorptionBulk Specific Gravity (dry)2.664
Bulk Specific Gravity, SSD2.687
Apparent Specific Gravity2.726
C 88T104SoundnessCoarse Soundness Loss1%
Sodium No. of Cycles5
Fine Soundness Loss%
Magnesium No. of Cycles%
C40T21Organic ImpuritiesCoarse AggregateLighter Plate # 1%
C142T112Clay / Friable ParticlesCoarse Aggregate0%
Fine Aggregate%
C123T113Lightweight PiecesCoarse Aggregate0%
Fine Aggregate%
D5821 Fractured Face1 or 2 Faces1 = 100
Fractured Face, %2 = 100

Fill – Hardpac 3/8″ Minus Crushed Limestone Fines

Limestone fines from Pelican Point can be an ideal choice for placement in applications such as footpaths or other trails where a smaller top size would be ideal.

Fill – Structural A-1-a fill graded to a 2” minus

Structural A-1-a fill graded to a 2” minus.

Roadbase – 1.5” UTBC

High-quality roadbase that meets stringent UDOT specifications as well as demanding commercial applications.

Rock – Boulders

Angular boulders for use in retaining walls, water features or other landscape improvements.

Rock – Unwashed, 1.5″ Maximum

Used for many of the same functions as the smaller diameter ¾” Max rock, but where a coarser rock is specified or desired.