Rip Rap   

Dutra Mateiral's Rip Rap is free of clay, dirt, and organic matter and commonly used for erosion control and landscaping.

Dutra Material's water-side barge-loading equipment makes it the most cost-effective transporter of quality aggregates and building materials in the region..

From levee repair projects along the Sacramento Delta, to sporting fields and playgrounds for Bay Area schools, our clients range from civil contractors to small water districts and individual home owners.

 

 


No. 1 Backing

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
200 lb. (90kg) 2 0-5
75 lb. (34kg) 65 50-100
25 lb. (11kg) 94 90-100

No. 2 Backing

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
75 lb. (34kg) 1 0-5
25 lb. (11kg) 36 25-75
5 lb. (2.2kg) 96 90-100

No. 3 Backing

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
25 lb. (11kg) 4 0-5
5 lb. (2.2kg) 65 25-75
1 lb. (0.4kg) 96 90-100

3” x 6” Gabion

Dutra Materials’ Gabion Material is of a hard and durable nature. It will be free of vegetation, organic material, or other deleterious substances.

Rock Size Typical Gradiation (% >)
6" (150mm) 100
4" (100mm) 74
3" (75mm) 24
2" (50mm) 5
1" (25mm) 3

4” x 8” Gabion

Dutra Materials’ Gabion Material is of a hard and durable nature. It will be free of vegetation, organic material, or other deleterious substances.

Rock Size Typical Gradiation (% >)
8" (200mm) 100
6" (150mm) 80
4" (100mm) 30
2" (50mm) 3
1" (25mm) 1

6” x 12”

Dutra Materials’ Rip Rap is of a hard and durable nature. It will be free of vegetation, organic material, or other deleterious substances.

Rock Size Typical Gradiation (% >)
12" (305) 100
8" (200mm) 52
6" (150mm) 30
4" (100mm) 15
2" (50mm) 3
1" (25mm) 1

12” x 18”

Dutra Materials’ Rip Rap is of a hard and durable nature. It will be free of vegetation, organic material, or other deleterious substances.

Rock Size Typical Gradiation (% >)
200 lb. (90kg) 2
100 lb. (45kg) 65
10 lb. (4.5kg) 100

Facing Class

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
200 lb. (90kg) 2 0-5
75 lb. (34kg) 65 50-100
25 lb. (11kg) 94 90-100

Light Class

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
500 lb. (220kg) 0 0-5
200 lb. (90kg) 65 50-100
75 lb. (34kg) 94 90-100

1/4 Ton

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
1000 lb. (450kg) 0 0-5
500 lb. (220kg) 65 50-100
75 lb. (34kg) 98 90-100

1/2 Ton (Method A)

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
2000 lb. (900kg) 3 0-5
1000 lb. (450kg) 69 50-100
200 lb. (90kg) 99 95-100

1/2 Ton (Method B)

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
4000 lb. (1.8 Tonne) 0 0-5
2000 lb. (900kg) 60 50-100
1000 lb. (450kg) 99 95-100

1 Ton

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (%>) Specification
4000 lb. (1.8 Tonne) 3 0-5
2000 lb. (900kg) 60 50-100
1000 lb. (450kg) 97 95-100

2 Ton

Meets all specifications of Section 72 of the 2006 CA Department of Transportation Standard Specifications. This material shall be free of clay, dirt, organic matter and other deleterious materials.

Rock Size Typical Gradiation (% >) Specification
8000 lb. (3.6 Tonne) 0 0-5
4000 lb. (1.8 Tonne) 69 50-100
2000 lb. (900kg) 98 95-100

NOTE: All third-party sampling of aggregate for the purpose of specification compliance shall be performed in accordance with California Test Method 125. Testing of these materials for compliance purposes shall be done in accordance with applicable California Department of Transportation test methods and practices.