This weekly report discusses the construction of a tailings storage facility over several days in December 2012. It notes that an area was still draining three days after a 60 mm rain event and that a trench for an LCRS outfall pipe had to be dewatered and cleaned out for the third time. The report also details the installation of LCRS pipes through an embankment and the placement of fill over the pipes. Construction activities included work on the facility basin, a temporary decant structure, and access stairs for piezometers.