Attachment to C-408/94-207
April 28, 1999
COMMONWEALTH OF PENNSYLVANIA
Department of Transportation
Supplementing the Specifications
Publication 408 dated 1994
SECTION 724.2(b) For Use With Cement Concrete.
Revise as follows:
(b) For Use With Cement Concrete.
AASHTO M-295, Class C, F or N, except limit Loss on Ignition to a maximum of 6.0%. Certify as specified in Section 106.03(b)3.
Add the following new subpart:
SECTION 724.4 Silica Fume -
(a) For Use With Cement Concrete.
AASHTO M-307, (Also called Micro Silica) Certify as specified in Section 106.03(b)3.
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