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The Benefits of SUE

According to the American Society of Civil Engineers' (ASCE) Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data (CI/ASCE 38-02), Subsurface Utility Engineering (SUE) is “a means to better characterize the quality of subsurface utility information and to manage risks associated with construction activities that may affect existing utilities.” SUE addresses risk management by depicting the source and confidence level related to the existence and location of subsurface utilities. A quality level is assigned to each facility noted on the plans. This risk information is transferred to the contractor with the confidence level for the horizontal and vertical location of the existing underground utilities allowing the contractor to have a clear understanding and, if required, allowing additional subsurface investigation before proceeding with or in advance of the underground construction. San Dieguito Engineering (SDE) has extensive experience in the use of SUE as a tool to provide a cost-effective, systematic approach to managing risk associated with the research and depiction of existing underground utilities. SDE started a division primarily for SUE, which ultimately became AirX Utility Surveyors, Inc. SDE and AirX continue to work together to provide all aspects of SUE including utility record research, topographic mapping, surveying, designating, locating, data management, conflict analysis, and 3D modeling for BIM. Utilization of SUE is an integral part of a project as location and identification of existing underground utilities is a critical aspect of the design approach. Unknown or mismarked underground utilities are often responsible for project delays and cost overruns. On the San Diego International Airport Terminal 2 West expansion project, SDE identified significant cost savings by avoiding construction changes and construction delays due to unknown utilities or mismarked underground utilities. 

SDE Welcomes New Planner

San Dieguito Engineering (SDE) is feeling and embracing the impacts of an improving economy. In preparation, we have brought an experienced planner on board, John Kanlund. John is a certified botanist/biologist with over 12 years of experience in wildlife biology, urban and regional planning, water quality sampling, CEQA/NEPA document preparation, and environmental planning. He is versatile and fluent in military and regulatory planning, as well as being thorough and tactful in processing projects. John works closely with staff under the direction of Annie Aguilar and Michael Wolfe, and will be the primary point of contact for all planning activities. We are happy to have John, as he is an integral part of our team!

SDE Receives 2016 Calmentor Program Certification of Completion

Today, Barry Munson received the 2016 Calmentor Certification of Completion on behalf of San Dieguito Engineering. Our firm was partnered with mentor, AECOM, throughout the year.

SDE Welcomes Michael Wolfe as Partner

San Dieguito Engineering (SDE) is proud to announce that Michael Wolfe, PE has been made a partner of our firm. Since Mike began with SDE, we quickly recognized his immense value in management and professional abilities. Mike brings over 30 years of professional engineering experience to the firm encompassing land development and municipal public works infrastructure projects throughout southern California. He specializes in project design management and construction management for large private, commercial, retail, and mixed use land development projects. Mike is a responsible leader for multi-discipline teaming environments, as well as being well-versed in business development, strategic planning, and maintaining relationships. 

Annie Joins the 2017 Small Business Council for Caltrans District 11

San Dieguito Engineering would like to congratulate our very own, Annie Aguilar, as a 2017 Small Business Council member for Caltrans District 11 representing American Public Works Association. The Caltrans Small Business Council promotes the implementation of federal and state policies. Annie will serve as a liaison between the APWA San Diego/Imperial County Chapters and the Small Business Council promoting small businesses and large firms at the Caltrans State level.caltrans-logo

Mission and Values






The strength of any community is defined by the individuals who make up that community. Leadership at SDE is characterized by our core values: 

  • Client Satisfaction
  • Integrity
  • Teamwork
  • Quality Product
  • Work and Life Balance