Impact
Established separate pre-construction references for both buildings and kept their findings distinct.
Challenge
Neighboring construction required response information for 1566 Second Avenue and 303 East 81st Street without combining their individual findings.
STRAAM approach
STRAAM measured each building on October 4, 2017, using five triaxial accelerometers at 200 samples per second and prepared separate dynamic signatures.
Result
Each building’s response was documented separately, giving the project team a point of comparison before adjacent construction.


