COMMERCIAL
The Robertson Crushed Stone quarry holds within it 8 different ledges which supply customers with limestone containing some of the highest concentrations of calcium carbonate and meeting the Indiana Department of Transportation (INDOT) requirements. Multiple ledges in the quarry provide 95% calcium carbonate and above.
COARSE AGGREGATES
INDOT or QA #2: 2.5”-1.5”
Application: Ground stabilization, Road base
INDOT or QA #5: 1 ½” 5/8”
Applications: Ground stabilization, Road Construction, Driveways, Road base
INDOT or QA #7: 1”-5/8”
Applications: Driveways, backfill material, pipe bedding
INDOT or QA #8: 1”-3/8”
Applications: Driveways, road construction, backfill uses
INDOT or QA #9. ¾”-3/8”
Applications: Driveway stone, road construction, backfill uses
INDOT or QA #11: ½”-1/8”
Applications: Driveway topping stone, road construction, backfill uses,
INDOT or QA #12: 3/8”-1/8”
Applications: Chip Seal and road construction, Top Dressing for driveways
DENSE GRADE
INDOT or QA #53: 1 1/2” down to dust.
Applications: Driveway uses, backfill uses, ground stabilization, road base
INDOT or QA #73: 1” down to dust.
Applications: Driveway uses, backfill uses, ground stabilization
FINE GRADE
INDOT or QA 24. Manufactured Sand 100% passing 3/8”
Applications: Asphalt, concrete and block, backfill for pipe, agricultural
RIP RAP
Class 1: 18″ to 3″ material
Application: Erosion control, slope and shoreline stabilization, site development, channel lining and landscaping
Class II: 36″ to 18″ material
Application: Erosion control, slope and shoreline stabilization, site development, channel lining and landscaping
Revetment. 18”-6”. 12″ to 3″ material
Application: Erosion control, slope and shoreline stabilization, site development, channel lining and landscaping
Uniform A. 8”- 6”
Application: Erosion control, slope and shoreline stabilization, site development, channel lining and landscaping
Uniform B. 6”- 3”
Application: Erosion control, slope and shoreline stabilization, site development, channel lining and landscaping