Attachment 3 Special Project Specification 412.pdf
PDF 90 KB Posted
- Solicitation number
- 1284LM25Q0013-AMD001
- Issued by
-
Department of Agriculture Forest Service
About this file
This Special Project Specification 412 document details technical requirements for calcium chloride pellets used as a dust palliative for road surfaces. The specification mandates specific chemical composition standards, including a minimum 94% calcium chloride (CaCl2) content, maximum 3% total alkali chlorides, and maximum 0.3% calcium hydroxide. Particle size requirements are precisely defined, with 100% passing a 3/8" screen, 80-100% passing a #4 screen, and 0-5% passing a #30 screen. The test method R1-412/Cl for verification is available from the USDA Forest Service Regional Materials Engineering Center in Missoula, Montana, with additional testing to be conducted using ASTM E 449 and AASHTO T 27 standards.
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Other files
| File | Type | Posted |
|---|---|---|
| Attachment 2 Quality Assurance Plan.pdf | ||
| Attachment 4 Vicinity Maps.pdf | ||
| SF-30_Amd_0001.pdf | ||
| Attachment 6 SCA Wage Determinations.pdf | ||
| 1284LM25Q0013 AMD 0001.docx | DOCX document | |
| Attachment 5 Experience Questionnaire.docx | DOCX document | |
| Attachment 1 Statement of Work.pdf |
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Text version
Special Project Specification
DESCRIPTION
412.01 This work shall consist of furnishing, sampling and applying dust palliative Work to a road surface.
MATERIALS
412.02 The type of material shall be as shown on the SCHEDULE OF ITEMS and shall Requirements meet the specified requirements shown below:
Calcium Chloride Pellets
The chemical composition as shown below, shall be determined on a percent by weight basis:
Calcium Chloride (CaCl2) 94% Minimum
(Test method R1-412/Cl must be used. It is available upon request from USDA Forest Service, Regional Materials Engineering Center, P.O. Box 7669, Missoula, Montana 59807)
Total Alkali Chlorides (as NaCl).ASTM E 449 3% Maximum Calcium Hydroxide (Ca(OH)2) ASTM E 449 0.3% Maximum
Particle size by AASHTO T 27 shall be as follows: 100% pass the 3/8" screen, 80 to 100% pass the #4 screen, and 0 to 5% pass the #30 screen
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