3630.1SCOPE
Provide precast concrete median barriers for use in construction W ork zones. Provide precast concrete median barriers manufactured at a precasting plant approved by the Materials Engineer. A Materials B Concrete Finish If shown on the Plans or required by the Special Provisions, sandblast the precast barrier units and fill the surface imperfections with a grout-containing bonding agent in accordance with 2401.3F.2.a, “Ordinary Surface Finish.” Begin sandblasting and grouting operations after stripping the forms and while the concrete barriers are still warm. Joint Fillers and Sealers
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Source: Minnesota Standard Specifications for Construction, 2025 Edition. Pages 985–0 of 1,081. View official source ↗