Opening a Window of Discovery on the Dynamic Universe

Monthly Updates

Construction Project Status

For the period of performance August 1-31, 2017

(updated October 2nd, 2017)

The Project Earned Value toward the MREFC effort rose $6.02 million this month to a calculated $184.1 million. The cost variance decreased $1.87 million this month to -$2.2 million, and the cost performance index (CPI) dropped to 0.99. The schedule variance decreased by 1.08 million to -$7.8 million, which equates to a schedule performance index (SPI) of 0.96. There were 14 change requests implemented this month; 11 had an impact on cost or schedule resulting in a net contingency return of $481,529. As of the end of the month, the Project has allocated 19% of the total contingency to the baseline through the change control process. The remaining contingency of $66.4 million is 30% of ETCI (ETCI=BAC-BCWP) and 27% of ETCII (2017 bottom up).  

Frequent updates can be found on our Blog posts and Digest. A Day in The Life of LSST may also be of interest

Top level Earned Value Management (EVM) Data Table




Financial support for LSST comes from the National Science Foundation (NSF) through Cooperative Agreement No. 1258333, the Department of Energy (DOE) Office of Science under Contract No. DE-AC02-76SF00515, and private funding raised by the LSST Corporation. The NSF-funded LSST Project Office for construction was established as an operating center under management of the Association of Universities for Research in Astronomy (AURA).  The DOE-funded effort to build the LSST camera is managed by the SLAC National Accelerator Laboratory (SLAC). 

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