Phase II Sediment Consolidation Area Construction Final Report - April 2013
This report presents a summary of the Phase II area construction activities for the Onondaga Lake Sediment Consolidation Area. dated 12 June 2012. Due to operational constraints, Phase II was subdivided into Phase IIA, the eastern portion, and Phase IIB, the western portion. Phase IIB was certified under separate cover, dated 12 October 2012. The data contained within this report covers Phase II of construction. The construction activities discussed in this report include: (i) engineered fill; (ii) low-permeability soil layer; (iii) gravel drainage layer; and (iv) installation of geosynthetics (i.e., geotextile, and geomembrane liner). Quality assurance/quality control documentation is provided in appendices to this report. Appendices are available at the Onondaga Lake repositories. This report provides certification by an engineer, registered in the State of New York,
that the area was constructed in accordance with the approved plans and specifications, and modifications approved by the Designer and NYSDEC. The test requirements for each of the major components of the lining system are summarized on the tables found in the appendices.
Other appendicies can be found at the repositories for the Onondaga Lake Site.