ARCADIS/CSX GAUTIER OIL SITE
May 2008 – June 2008
Zero OSHA Recordables
CSX (Owner)/ Arcadis (Engineer)
NorthStar to provided a free-product non-aqueous phase liquid (NAPL) recovery trench and install ancillary equipment and utilities at a property that had been used to preserve wood pilings with creosote. NAPL was present from approximately two feet below ground surface (bgs) to approximately eight feet bgs, the top of a large horizontal zone of inorganic clay. The water table varied with the season and tide and was approximately one to five feet bgs.
The project included: Recovery trench construction; Piezometers and recover sump pump installation; Backfill installation; and, Vault, ancillary equipment and monitoring system installation.