Through recent project needs and equipment and vessel acquisition, CDIM Engineering now provides vessel-based sampling and monitoring services within northern California’s estuarine and riverine systems. CDIM is pleased to announce that it offers the following services:

  • Vessel-based water quality monitoring including field observations, real time data collection, and sampling for chemical and physical analysis;

  • Shallow sediment sampling;

  • Vessel-based inspections and reconnaissance for dredging or sediment remediation projects;

  • Deployment and operation of water quality monitoring stations;

  • Application of high-resolution global navigation system devices for all projects;

  • Data collection quality assurance procedures in accordance with project needs; and,

  • Contracting and oversight for laboratory analysis including data validation and reporting.

Based in San Francisco, CDIM provides environmental and engineering services to local construction, development, industrial and municipal clients. Our staff of licensed professional engineers and geologist provide client-focused support on site engineering, contamination remediation, water quality and environmental regulatory compliance projects. We hold superior quality, cost efficiency and exceptional client-service as paramount values.

Examples of recent or ongoing on-water projects include:

  • Dredging and Capping for Future Ferry Terminal Construction: CDIM was the overall consultant project manager and technical lead for water quality monitoring for the Mission Bay Ferry Landing Dredging and Cap Construction project in the Mission Bay/Central Basin Waterfront area of San Francisco. We provided vessel-based water quality monitoring during dredging and sediment capping, including both real-time monitoring and at-depth sampling for high resolution chemical analysis of polycyclic aromatic hydrocarbons (PAHs), to ensure compliance with San Francisco Regional Water Quality Control Board requirements.

  • Temperature and Harmful Algae Bloom Monitoring: CDIM provides on-water monitoring services facility that discharges water to the San Joaquin River. CDIM uses a 17-foot vessel to collect field measurements using a multiparameter devices as well as grab samples for harmful algal blooms (HAB) to maintain with the client’s National Pollutant Discharge Elimination System (NPDES) permit.

CDIM maintains a Class A General Engineering Contractors License with Hazardous Substance Removal Certificate (1020239 A HAZ) and is a Local Business Enterprise (LBE) through the City of San Francisco Contract Monitoring Division (#CMD082017244). We value engineering solutions that accomplish our client’s objectives, advance our profession, and result in net positive business, community, and social impacts.

We are enthusiastic about our expanding services and continued growth as a company. Please don’t hesitate to reach out to discuss how our vessel-based services could assist in achieving your objectives!