TTC offers complete engineering services for petroleum marketing.  TTC can prepare plans and complete the permitting process for a service station with convenience store and quick serve restaurant.  We have good working relationships with local and state agencies to help expedite the permit process and minimize problems.  TTC engineers have strong backgrounds in civil engineering, petroleum design, geology, environmental compliance, and remediation.  Engineering projects include:

  • Service Stations: planning, design, permitting, and project management
  • Card-Lock Fueling Facilities
  • Convenience Stores
  • Car Washes
  • Petroleum Bulk Plants
  • Emergency Generator Fueling Systems
  • Fleet Fueling Systems
  • Alternative Fuel Systems
  • Marinas
  • Vapor Recovery
  • Planning
  • Construction documents
  • Equipment specifications
  • Permitting (planning, CEQA, building, fire, CUPA, air quality)
  • Construction Management
  • Project Management

Regulatory Compliance:

TTC staff are experienced professionals providing consulting services associated with the following State programs or service areas:

  • CERS (California Environmental Reporting System)
  • Hazardous Materials Business Plans (HMBP)
  • Spill Prevention Control and Countermeasure (SPCC) Plans
  • Hazardous Materials Warehouses and Storage Buildings
  • Underground Storage Tanks (UST)
  • Above Ground Storage Tanks (AST)
  • Waste Discharge Regulations Associated with Cultivation
  • Regulations Associated with Vineyard Management

Storm Water:

TTC can assist construction and industry and with storm water compliance.  These services include:

  • Storm Water Pollution Prevention Plan (SWPPP) for Construction
  • SWPPP for Industry
  • Storm water monitoring, sampling, and reporting
  • SMARTS (California’s Storm Water Multiple Applications Report Tracking System
  • Notice of Intent (NOI), Water Resource Protection Plans (WRPP), Permits to Operate

Consulting Experts:

TTC Civil Engineers Bill C. Wiggins, P.E. and Matthew E. Donohue, P.E. are experienced consulting experts for case research and in the court room.  Mr. Wiggins has been a consultant in complex cases, providing assistance with technical evaluations, case strategies, trial preparation, witness questioning and document management.  Mr. Donohue is a recognized expert in fueling system design and regulatory compliance.

Phase 1 ESAs:

TTC staff have performed hundreds of ASTM compliant Phase 1 Environmental Site Assessments (Phase 1 ESA’s) .  We are Qualified Environmental Professionals, as defined by ASTM E-1557-13 guidelines.  Our work has been accepted by banks, city and county planning departments, and developers for years.

Site Investigation:

TTC offers a wide variety of environmental services including site investigations related to leaking underground storage tank sites, environmental site assessments, soil and groundwater sampling, monitoring well installation, site remediation, waste characterization, disposal profiling, real estate evaluations, and hazardous materials management.  We have investigated dry cleaners, gas stations, industrial and commercial facilities, farms, and residential properties.

Site Remediation:

The site remediation services include:

  • Risk assessments
  • Evaluation of remedial alternatives and costs
  • Feasibility studies and corrective action plans
  • Remediation system design and installation
  • Operation and maintenance of remediation systems
  • Soil Vapor Extraction
  • Excavation and Groundwater Extraction