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Book of Standards for Highway & Incidental Structures

Table of Approved Substitutes For MDOT SHA Standards
Category 3 'Drainage'

Drawings for all Approved Substitutes may be obtained through the manufacturers.

ADVANCED DRAINAGE STRUCTURES, INC. (PDF, 35 kb)
AMERICAST / A Division of VALLEY BLOX, INC. (PDF, 79 kb)
ATLANTIC PRECAST INDUSTRIES (PDF, 33 kb)
CONTRACTORS PRECAST CORPORATION (PDF, 82 kb)
EJ COMPANY (PDF, 1.0 mb)
FREDERICK PRECAST CONCRETE, INC. (PDF, 78 kb)
GILLESPIE PRECAST, LLC (PDF, 43 kb)
HANSON CONCRETE PRODUCTS (PDF, 82 kb)
MAYER BROTHERS, INC. (PDF, 67 kb)
OLDCASTLE PRECAST (PDF, 43 kb)
TERRE HILL CONCRETE PRODUCTS (PDF, 82 kb)

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