40988 - Class D Rip Rap

Knife River – South Dakota Product #40983, #40984, #40985, #40988 and #40989
SD DOT Class A, Class B, Class C, Class D, and Class E

Description

Color: Tifton Pink (Pink, Light Red, Light Purple)
Shape: Angular/Cubical
Size: Varies by class
Weight: Approx. 1.4 tons per loose cubic yard
Source: Sioux Falls Quarry, Sioux Falls, SD
Available at: Sioux Falls Quarry, Yankton Gravel Pit

Applications

  • Retaining walls
  • Erosion control
  • Drainage fill

Mechanical Analysis Data – South Dakota

SD DOT Rip Rap ClassRock size in feetRock size in poundsGradation
A

1.30

0.95

0.40

200

75

5

100

50

15

B

1.80

1.30

0.40

500

200

5

100

50

15

C

2.25

1.80

0.95

1000

500

75

100

50

15

D

2.85

2.25

1.80

2000

1000

500

100

50

15

E

3.60

2.85

2.25

4000

2000

1000

100

50

15

(above information is subject to change but will still be within specification range)