Award winning Zarinkelk Engineering Services, Inc. (ZESI), established in 2001, is a
Houston, Texas-based, woman-owned, consulting engineering firm. ZESI is a civil and
structural engineering company with a client base that includes primarily municipal
agencies. ZESI is a State of Texas certified WBE and HUB. ZESI’s mission is to
provide reliability to our clients and to deliver excellence in a timely
manner. ZESI offers a wide range of professional services including:

• Program Management
• Project Management
• Construction Management
• Drainage Analysis and Modeling
• Water Resource Planning
• Feasibility Studies
• Road Design
• Bridge Design
• Traffic Engineering
• GIS
• Stormwater Design
• Wastewater Design
• Cost Estimating Services
• Negotiating and Bidding Services

ZESI is also pre-certified in following TxDOT categories:
1.6.1 MAJOR INVESTMENT STUDIES
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
5.1.1 MINOR BRIDGE DESIGN
7.1.1 TRAFFIC ENGINEERING STUDIES
7.4.1 TRAFFIC CONTROL SYSTEMS ANALYSIS, DESIGN AND
IMPLEMENTATION
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
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
10.4.1 PUMP STATION-HYDRAULICS
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS

Zarinkelk Engineering Services, Inc.

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