considered as being for information only for Army
projects and for Contractor Quality Control approval
for Navy projects.
**************************************************************************
Government approval is required for submittals with a "G" designation;
submittals not having a "G" designation are [for Contractor Quality Control
approval.][for information only. When used, a designation following the
"G" designation identifies the office that will review the submittal for
the Government.] The following shall be submitted in accordance with
Section 01330 SUBMITTAL PROCEDURES:
SD-08 Manufacturer's Instructions
Application
Protection
Corrections
1.3
DELIVERY, STORAGE, AND HANDLING
Do not place bentonite waterproofing materials in flooded areas or during
precipitation. Provide bentonite panels and containers with manufacturer's
labels intact, identifying the materials. Keep materials dry prior to use
with polyethylene or canvas covering for sides and top and chocks or skids
underneath, of sufficient height to maintain separation from ground water.
Protect materials from moisture. Remove materials which show evidence of
damage, deterioration, or contamination.
PART 2
PRODUCTS
2.1
MATERIALS
2.1.1
Bulk and Panel
Provide high-swelling, sodium bentonite containing a minimum of 90 percent
montmorillonite and a maximum of 10 percent unaltered volcanic ash or other
native sediments.
2.1.2
Bentonite
Provide material meeting the following requirements:
2.1.2.1
Free Swell Rating
Two grams of granular bentonite sifted into deionized water shall swell to
occupy a minimum volume of 16 cubic centimeters.
2.1.2.2
Active Ingredient
Hydrous silicate of alumina, composed of the following chemical percentages
and their allowable deviations:
Silica
61.0
+-
3.0
Alumina
19.5
+-
1.5
Iron oxide
5.0
+-
1.0
Magnesia
2.8
+-
0.4
Soda and potash oxides
2.4
+-
0.7
SECTION 07170
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