GPS establishes primary and secondary project goals for each remedial engineering design project to outline exactly what the project intends to accomplish. Criteria used in evaluation of engineering alternatives include technical feasibility of the solution considering site conditions, probable effectiveness, cost of implementation, results of treatability and pilot studies, operational flexibilities, ease of maintenance, and regulatory acceptability.

The most viable alternative(s) are then further developed to the conceptual design stage. GPS prepares a preliminary design package including design bases, conceptual design layout, process and instrumentation diagrams (P&IDs), preliminary equipment layout and preliminary cost estimates for the most viable alternative. Upon completion of review of the preliminary design package, GPS prepares a bid document and assists it clients throughout the bidding process, or has the in-house capability to perform design-build serves.

Soil Remediation

GPS has used the following remedial techniques for removing hydrocarbons from soil:

  • Bioremediation
  • Incineration
  • Landfarming
  • Excavation
  • Chemical oxidation
  • Air stripping
  • Vapor extraction

Our experience in soil remediation includes the following projects:

  • Designed and assisted in the permitting of soil vapor extraction systems to remediate soils containing petroleum hydrocarbons for refineries and petrochemical facilities in the United States.
  • Performed bioremediation of soils contaminated by petroleum hydrocarbons at over 2000 locations within the Nigerian Delta.
  • Designed and assisted in operation of landfarms in two major refineries in the United States
  • Excavated and removed soils contaminated by petroleum hydrocarbons for a refineries
  • Designed and constructed biotreatment cells contaminated by petroleum hydrocarbons. The cells featured perforated pipe aeration system through out the cell to deliver oxygen and a separate system for supplying water and nutrients.

Groundwater Remediation and Hydrocarbon Recovery

Groundwater contaminated with hydrocarbons can be remediated using a number of technologies. GPS is experienced in using the following remedial techniques to cleanup groundwater:

  • Air stripping
  • Vapor extraction
  • Activated carbon adsorption
  • Anaerobic treatment
  • Activated resin adsorption
  • Recovery wells
  • Chemical oxidation
  • Pump and Treat

Our recent groundwater and hydrocarbon recovery experience includes projects for Conoco and Shell Petroleum and Devolvement Company.

Surface Impoundment Remediation

Treatment of refinery and petrochemical facility wastes contained in surface impoundments include the following methods:

  • Solidification/encapsulation
  • Stabilization
  • Chemical, physical, and biological treatment
  • Excavation and transfer
  • Dewatering

Our experience in treatment of surface impoundment waste include the following projects:

  • Performed mircoencapsulation of 100,000³ meters of oil based drill cuttings in Campache, Mexico. The project involved the proprietary encapsulation treatment system of Baker Hughes Inteq (previously owned by Encap), to microencapsulate the hydrocarbon to meet the zero discharge requirements.
  • Performed solidification and neutralization of contaminated sludge for a refinery in Lake Charles, Louisiana.
  • Performed sludge dewatering at a Texas based refinery. The project involved dredging and processing 12,000 tons of sludge.

Asbestos and Mold Remediation

GPS provides services to remove asbestos in commercial and industrial applications. Asbestos projects are managed in the most efficient and cost effective manner for clients. Mold abatement projects are conducted with the leading industry techniques and solutions. GPS provides a technical staff for analysis of both mold and asbestos containing materials, to provide a clear picture of options for clients.

GPS also provides qualified experience inspectors to conduct mold and asbestos surveys. GPS retains individuals experienced in indoor quality issues and concerns to conduct air monitoring.