Office of Professional Engineer Sergio N. Lozano-Sanchez


LOC Consultants Civil Division provides a wide range of services in the disciplines of civil, and environmental engineering and planning to clients in Austin and through out all central Texas.

A dedicated team of engineers, urban planners and engineering technicians bring unique perspective to all projects, for both public and private sector clients. Providing the highest quality service to clients is the goal for all projects, regardless size. A genuine interest in client needs  - helping their business grow, seeing their goal achieved - is the incentive that drives LOC's own success.

Civil Engineering

LOC has extensive experience with wide variety of Civil Engineering projects in commercial, institutional and industrial fields. In addition, LOC's professionals are knowledgeable in the execution of all associated construction administration services. LOC's areas of civil design include site development, subdivision design, stormwater management and water and waste water design.

Site Development

LOC provides complete site development design and support services. Project experience covers all public and private sector requirements. LOC strives to meet the client's needs while minimizing costs and environmental disturbances Services include;

-Master Plan Development

-Site Plan Development

-Groundwater and Surface Hydrology Studies

-Grading and Drainage Plans

-Erosion and Sedimentation Controls

-Demolition Plans 

-Project Management for Design and Construction 

-Parking Design

-Obtaining Permits

-Drainage Remediation Work

Permitting Services

LOC has extensive experience with in-house permitting services. The staff works closely with architects and other professionals to execute plans, subdivision plats, studies and reports in accordance with governmental requirements. Planning staff and project managers meet and correspond with city planners, environmental reviewers and traffic specialists to obtain required permits.

Water and Waste Water Infrastructure

LOC offers complete engineering design services for water/wastewater utilities structures include clarifies, clear wells, filter buildings, lift stations, storage tanks, pump stations, valve vaults and retention structures.

Additional Expertise

Staff members regularly fulfill clients needs in areas such as street, roadway/highway design, marina development, traffic detour plans, forensic engineering and expert witness testimony. LOC utilizes the latest computer equipment and programs including AutoCAD, EaglePoint Software, Watershed Modeling, HEC-1, HEC-RAS and TR20.