MS_274_006.pdf
PDF 239 KB Posted
- Attached to
- DOTD Agg Cont, Exp. Clay/Shale, Lightweight
- Solicitation number
- 3000025594
- Issued by
- Louisiana
About this file
This specification document issued by the Louisiana Department of Transportation and Development defines the requirements for aggregate materials used in asphalt surface treatment applications, commonly known as chip seals. The specification establishes material standards for three aggregate sizes sourced from the Approved Materials List and requires compliance with Subsection 1003.01 of the 2016 Louisiana Standard Specifications for Roads and Bridges. Size 1 and Size 2 crushed gravel must have a minimum of 60 percent crushed material retained on the No. 4 sieve, while Size 3 crushed gravel must have a minimum of 75 percent crushed material retained on the No. 4 sieve, with percentages determined in accordance with DOTD TR 306.
Acceptable aggregate types include crushed gravel, crushed stone, or lightweight aggregate, with specific gradation requirements detailed for slag or stone aggregate (Size No. 5), crushed gravel or lightweight aggregate (Size No. 7), and all aggregate (Size No. 8). The specification includes precise sieve analysis requirements across multiple sieve sizes ranging from 1½ inches to No. 200 with corresponding percentage passing specifications for each size category. Material sampling must be conducted in accordance with the Materials Sampling Manual. This specification was approved for the Maintenance Division on July 13, 2023, and applies to Product IDs 11478, 11479, 11480, 11481, 11482, and 54750.
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Other files
| File | Type | Posted |
|---|---|---|
| MS_274_004.pdf | ||
| 3000025594.pdf | ||
| Bid Submission Instructions.pdf | ||
| US Preference Form.pdf | ||
| AML for Aggregates 10.PDF | ||
| MS_274_005.pdf |
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Text version
Product IDs MS 274-006 11478, 11479, 11480, Rev. 07-13-2023 11481, 11482, and 54750 1 Page
LOUISIANA
DEPARTMENT OF TRANSPORTATION AND DEVELOPMENT
SPECIFICATIONS
AGGREGATE FOR ASPHALT SURFACE TREATMENT
DESCRIPTION: This aggregate is for use in asphalt surface treatment applications, sometimes referred to as chip seals.
GENERAL REQUIREMENTS: Aggregate shall be crushed gravel, crushed stone, or lightweight aggregate from the Approved Materials List and comply with Subsection 1003.01 of the 2016 Louisiana Standard Specifications for Roads and Bridges.
SPECIFIC REQUIREMENTS: Crushed gravel Size 1 and Size 2 shall have 60 percent minimum crushed retained on the No. 4 (4.75 mm) sieve. Crushed gravel Size 3 shall have 75 percent crushed retained on the No. 4 (4.75 mm) sieve. Determine the percent crushed in accordance with DOTD
TR 306.
Comply with the following gradation:
Asphaltic Surface Treatment Aggregates Percent Passing Size 1 Size 2 Size 3
U. S.
Sieve
Metric Sieve
Slag or Stone Aggregate (Size No. 5)
Crushed Gravel2 or Lightweight Aggregate
All Aggregate (Size No. 7)
All Aggregate (Size No. 8)
1 1/2 inch 1 inch 3/4 inch 1/2 inch 3/8 inch No. 4 No. 8 No. 16 No. 200
37.5 mm
25.0 mm
19.0 mm
12.5 mm
9.5 mm
4.75 mm
2.36 mm
1.18 μm 75 μm1
90-100 20-55 0-10 0-5 0-1
95-100 60-90
0-15 0-5 0-1
90-100 40- 80 0-15 0-5 0-1
85-100 10-40 0-10 0-5 0-1
1 The percentage passing the No. 200 (75 μm) sieve shall be 0 - 2 percent for crushed aggregates when the materials finer than the No. 200 (75 μm) sieve consist of dust fraction from crushing and handling, essentially free of clay.
2 Uncrushed gravel may be used for Size 1 aggregate if more than one application of Asphaltic Surface Treatment is required.
SAMPLING: Sampling will be in accordance with the Materials Sampling Manual.
DocuSign Envelope ID: 8F519961-BE13-4AA1-831D-C00DF87D516B
| 2023-07-17T11:09:39-0700 | |
| Digitally verifiable PDF exported from www.docusign.com |
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