RipRap_Class_III_Specs_705.02,_Table_705-1.pdf
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- Surface course material and Rip Rap Federal contract opportunity
- Solicitation number
- 129AB518Q0006
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Riprap specifications
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| File | Type | Posted |
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| Specifications_703,_Table_703-3.pdf | ||
| Sol_129AB518Q0006.docx__FINAL.pdf |
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Section 705
Section 705. — ROCK
705.01 Gabion and Revet Mattress Rock. Furnish hard, durable rock that is resistant to weathering and reasonably free of organic and spoil material. Conform to the following:
(a) Coarse durability index, AASHTO T 210 52 min.
(b) Unit mass of a filled basket 100 pounds per cubic foot min.
(c) Gradation:
(1) Baskets 1 foot or greater in the vertical dimension.
(a) Maximum dimension 8 inches
(b) Minimum dimension 4 inches
(2) Baskets less than 1 foot in the vertical dimension.
(a) Maximum dimension 6 inches
(b) Minimum dimension 3 inches
705.02 Riprap Rock. Furnish hard, durable, angular rock that is resistant to weathering and water action and free of organic or other unsuitable material. Do not use shale, rock with shale seams, or other fissile or fissured rock that may break into smaller pieces in the process of handling and placing. Conform to the following:
(a) Apparent specific gravity, AASHTO T 85 2.50 min.
(b) Absorption, AASHTO T 85 4.2% max.
(c) Coarse durability index, AASHTO T 210 50 min.
(d) Gradation for the class specified Table 705-1
Section 705
Table 705-1 Gradation Requirements for Riprap
Class Percent of Rock by Mass
Mass (pounds)
Approximate Cubic Dimension(2)(3)
(inches)
20 22 to 33 6 to 8
30 11 to 22 5 to 6
40 1 to 11 2 to 5
10 (1) 0 to 1 0 to 2
20 55 to 110 8 to 10
30 22 to 55 6 to 8
40 2 to 22 3 to 6
10 (1) 0 to 2 0 to 3
20 220 to 330 14 to 16
30 110 to 220 10 to 14
40 11 to 110 5 to 10
10 (1) 0 to 11 0 to 5
20 550 to 770 18 to 20
30 220 to 550 14 to 18
40 22 to 220 6 to 14
10 (1) 0 to 22 0 to 6
20 1540 to 2200 26 to 28
30 770 to 1540 20 to 26
40 55 to 770 8 to 20
10 (1) 0 to 55 0 to 8
20 1870 to 3530 28 to 34
30 1100 to 1870 22 to 28
40 110 to 1100 10 to 22
10 (1) 0 to 110 0 to 10
(1) Furnish spalls and rock fragments graded to provide a stable dense mass.
(2) The volume of a rock with these cubic dimensions has a mass approximately equal to the specified rock mass.
(3) Furnish rock with breadth and thickness at least one-third its length.
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