Montana Department of Transportation (MDT) · 2020 Standard Specifications for Road & Bridge Construction
Section 403 — Crack Sealing
Montana 2020 Standard Specifications for Road & Bridge Construction, Section 403. Full text, cross-references and related pay items on BuildSpec.
SECTION 403 CRACK SEALING 403.01 DESCRIPTION This work consists of routing, cleaning, and sealing the transverse and specified longitudinal cracks in accordance with Subsection 403.03.1 in the roadway surface with the specified sealant. 403.02 MATERIALS A. Crack Sealant. Use a sealant that is listed on the QPL and in accordance with Subsection 707.01. B. Backer Rod. Furnish backer rod that is listed on the QPL. Furnish backer rod in accordance with ASTM D5249, Type 1. The backer rod used must be compatible with the crack sealant placement temperature and sized for cracks in accordance with…
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