Jeff B & Andres R We moved the HLTS suspension SR3 into position to have the metal Bottom Mass replaced with the Glass Optic. We took height and blade tip breakoff measurements as a pre-installation base line. All measurements are within tolerances. Measurement Point Target/Tolerance Measurement Top Blade Wire Breakoff 806.12mm 804.93mm, 805.89mm Bottom of T-Block 552.23mm 552.60mm Top of Intermediate Mass 461.63mm 461.63mm Lower Blade Wire Breakoff 608.84mm tip coplanar <0.5mm 607.75mm, 608.11mm, Coplanar = 0.36mm Top of Bottom Mass 291.0mm +-1mm 291.17mm The next step is to center and adjust the OSEMs, and then run Phase 2A Transfer Functions.