Item standard
121.0.4 Reference Rockfall Catchment Area Widths Based on FHWA SPR-(032) Rock Fall Design Guide For 40ft, 50ft, 60ft, 70ft, and 80ft Rock Cut Heights
Published by Massachusetts Department of Transportation (MassDOT)
Suggested unit
LS
Related standards from Massachusetts Department of Transportation (MassDOT)
Reference only. Always verify before you specify.
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