Complete a locate of underground utility services. Remove and dispose of fencing and underground utilities. Remove and dispose of water and/or product, if present, from the oil/water separator (OWS). Demolition and disposal of concrete pads, 2 concrete barricades and 5 bollards. Remove and dispose of underground fuel distribution infrastructures, including a catch basin and OWS. Complete test pitting, test pits backfilled with on site material. Return to site after 48 hours to excavate, remove, and dispose of impacted material based on testing results. Provide clean material (well graded sand and gravel) to backfill the excavation to grade.