Shell Rock Material Specification FA481422TF147.pdf
PDF 84 KB Posted
- Solicitation number
- FA481422TF147
View the file
Other files
| File | Type | Posted |
|---|---|---|
| FA481422TF147 Provisions and Clauses.pdf | ||
| FA481422TF147 Combo Synopsis Solicitation.pdf |
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
FA481422TF147: Shell Rock Specification
- Shell-rock materials to be used at APAFR shall meet the following requirements:
-Non-DOT screened shell rock
-Limerock Bearing Ratio (FM 5-515)
-Plasticity (AASHTO T89 and AASHTO T90) - That portion of the material passing the No. 40 sieve shall be non-plastic.
-Carbonates (FM-5-514) - The minimum of the average percentage of carbonates of calcium and magnesium shall be 50.
-Materials classified as shell-rock shall be graded uniformly down to dust and in addition, meet the following specific requirements:
Passing 3-1/2 inch sieve= MIN 97%
Passing No. 4 sieve= MAX 70%
Passing No. 200 sieve= MAX 20% (washed)
Shell-rock materials shall not contain lumps of clay, organic matter, cherty or other extremely hard materials, or other substances not defined, in sufficient quantity as to be detrimental to the finishing, strength, or performance of the base. The material shall not contain loose, free silica sand in sufficient quantity to prevent bonding of the base, or to result in a surface which is susceptible to distortion under construction traffic, nor shall the material contain more than 50% loose, free shells, corals or skeletal remain of other marine invertebrates (retained on the No. 4 sieve). Materials shall contain no water sensitive clay minerals.
Upon each delivery of material, load tickets will be provided to the Government POC.
Delivery sites are located approximately 12 miles from the main gate at Avon Park AFR, FL.
File details come from the government source that posted it. Updated .