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Home / DOT Specifications / Washington / Standard Specifications for Road, Bridge, and Municipal Construction (M 41-10) / 9-22
Materials

9-22Monument Cases

WA · 2024 Standard SpecificationsBook pages 1037–1037View official source ↗

Monument Cases

9-22.1Monument Cases, Covers, and Risers

Castings for monument cases, covers, and risers shall be gray iron castings conforming to the requirements of AASHTO M306, Class 35B. The cover and seat shall be machined so as to have perfect contact around the entire circumference and full width of bearing surface. Dipping, painting, welding, plugging, or repairing defects will not be permitted.

Source: Washington Standard Specifications for Road, Bridge, and Municipal Construction, 2024 Edition. Pages 1037–1037 of 1,151.
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