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Our Services

ENGINEERING
SERVICES

Comprehensive civil engineering solutions delivered with precision, safety, and full regulatory compliance for projects throughout California.

General Engineering & Civil Engineering

Comprehensive civil engineering services covering all aspects of infrastructure development, from initial surveying to final construction oversight. Our Class A license authorizes work on any general engineering project in California.

  • Project planning & feasibility
  • Construction management
  • Engineering design
  • Regulatory compliance

Grading & Earthwork Engineering

Precision earthwork solutions ensuring proper site preparation, stable foundations, and effective drainage. We engineer grading plans that meet stringent California standards while optimizing construction efficiency.
  • Cut and fill calculations
  • Compaction specifications
  • Slope stability analysis
  • Erosion prevention

Site Development & Land Development

Full-service land development engineering from raw land to finished site. We coordinate all civil aspects including grading, utilities, access roads, and stormwater management.

  • Master planning
  • Permit coordination
  • Infrastructure design
  • Construction oversight

Structural Engineering Coordination

Seamless integration of structural requirements with civil engineering elements. We coordinate with structural engineers to ensure foundations, retaining walls, and other structures meet all specifications.
  • Foundation coordination
  • Structural interfaces
  • Load calculations
  • Design review

Foundation Engineering

Engineered foundation solutions for all soil conditions found throughout California. From standard footings to complex deep foundations, we design systems that provide lasting structural support.

  • Soil analysis
  • Settlement calculations
  • Foundation design
  • Deep foundations

Retaining Walls & Shoring Systems

Design and engineering of retaining structures for hillside development, excavation support, and grade transitions. All designs comply with California seismic requirements.
  • Cantilever walls
  • Mechanically stabilized earth
  • Soldier pile systems
  • Seismic design

Drainage & Stormwater Management

Complete stormwater engineering including collection, conveyance, treatment, and discharge. We design systems that protect property while meeting California’s stringent water quality requirements.
  • Hydrology analysis
  • BMP implementation
  • Storm drain design
  • NPDES compliance

Utility Infrastructure

Engineering of water, sewer, and storm drain systems to municipal standards. We design efficient utility networks that integrate seamlessly with existing infrastructure.
  • Water distribution
  • Storm drain systems
  • Sanitary sewer
  • Utility coordination

Roadway & Access Road Engineering

Design of public and private roadways meeting Caltrans and local agency standards. From simple driveways to complex street networks, we engineer safe and durable access solutions.

  • Geometric design
  • Traffic analysis
  • Pavement sections
  • ADA compliance

Parking Lot & Pavement Design

Complete parking facility engineering including layout optimization, drainage, and pavement sections designed for anticipated traffic loads and California climate conditions.

  • Layout optimization
  • Pavement engineering
  • Drainage design
  • Striping plans

Trenching & Excavation Engineering

OSHA-compliant trenching and excavation engineering for utility installation and foundation construction. We design shoring systems and excavation plans that prioritize worker safety.
  • Shoring design
  • Dewatering
  • Safety plans
  • Soil classification

Hillside & Slope Stability Engineering

Specialized engineering for California’s challenging hillside terrain. We analyze slope stability and design mitigation measures that protect structures and infrastructure.

  • Stability analysis
  • Slope reinforcement
  • Landslide mitigation
  • Drainage solutions

Concrete Engineering

Structural and flatwork concrete engineering including mix designs, reinforcement specifications, and construction details. All designs meet California Building Code requirements.
  • Mix specifications
  • Joint layouts
  • Reinforcement design
  • Quality control

Public Works Engineering Support

Engineering services supporting public works and municipal projects. We understand agency requirements and deliver documentation that meets government procurement standards.
  • Agency coordination
  • As-built preparation
  • Bid documentation
  • Inspection support

ADU & Residential Development

Complete civil engineering for ADU construction and residential developments. We navigate California’s ADU regulations while delivering efficient, code-compliant designs.

  • Site planning
  • Access design
  • Utility connections
  • Permit support

Commercial & Industrial Engineering

Comprehensive engineering for commercial and industrial facilities including site development, utilities, and specialized infrastructure for manufacturing and logistics operations.
  • Industrial site design
  • Fire access
  • Heavy-duty pavements
  • Loading facilities

NEED ENGINEERING SUPPORT?

Contact our licensed engineering team to discuss your project requirements.

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Call (888) 576-4777
OneHatEngineering