Deep Drilled Braced Monument Back to comparison table Mount Commonly Used Stability Cost Install Time Labor Substrate Site Impact SCIGN mount high VARIES 2-4 d 3-4 BR, U high The deep drilled braced monument (UNAVCO... Read More

UNAVCO deep drilled braced monument technical drawings The following drawings can be downloaded in .pdf format: Full Above Surface Top Construction Site Layout Sub-surface Read More

GPS Deep Drilled Braced Monument Installation: Driller Instructions Overview The deep drilled braced GPS monument (UNAVCO DDBM*) is designed to create a highly rigid and immobile structure isolated from surface soil movement and cemented in place at ... Read More