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Hayden Consultants Precertifications

Category Category Description
1.4.1 Land Planning/Engineering
1.6.1 Major Investment Studies
3.1.1 Route Studies & Schematic Design (Minor Roadways)
3.2.1 Route Studies & Schematic Design (Major Roadways)
3.4.1 Minor Bridge Layouts
3.5.1 Major Bridge Layouts
4.1.1 Minor Roadway Design
4.2.1 Major Roadway Design
4.3.1 Complex Highway Design
4.4.1 Major Freeway Interchanges and Direct Connectors
6.1.1 Routine Bridge Inspection
7.1.1 Traffic Engineering Studies
7.2.1 Highway-Rail Grade Crossing Studies
7.3.1 Traffic Signal Timing
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking and Channelization
8.3.1 Signalization
8.5.1 Highway-Rail Grade Crossings
9.1.1 Bicycle and Pedestrian Facility Development
10.1.1 Hydrologic Studies
10.2.1 Basic Hydraulic Design
10.3.1 Complex Hydraulic Design
10.5.1 Bridge Scour Evaluations and Analysis
11.1.1 Roadway Construction Management and Inspection
11.2.1 Major Bridge Construction Management and Inspection
15.1.1 Survey
15.1.2 Parcel Plats
15.1.3 Legal Descriptions
15.1.4 Right of Way Maps
15.2.1 Design Construction Survey
15.4.1 Horizontal and Vertical Control for Aerial Mapping
18.2.1 Subsurface Utility Engineering

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