Hydraulic & Transient Modeling


Anticipating the Future Needs to
Keep Ahead of the Curve

As cities experience population growth, many are updating water and wastewater master plans to better understand future infrastructure needs. Hydraulic and transient modeling are critical tools to help communities understand normal system operations, surge conditions, system changes, and water and wastewater demand projections.

LAN performs hydraulic modeling to understand water and wastewater demand scenarios and recommend appropriate infrastructure pipe sizing, rehabilitation, replacement, or service extension. Our experts have a comprehensive knowledge of water modeling tools and can work with a client’s existing software or recommend the most applicable.

Modeling is also an important tool during sudden infrastructure system failures, which can be catastrophic. If such a situation arises, LAN can perform emergency transient modeling to identify the cause, provide shut-down modeling to continue service to customers during repairs, and recommend improvements. LAN also performs transient modeling as part of both planning and design efforts to ensure pipes, pumps, valves, and plants can sustain sudden and dynamic pressure surges.

LAN performed a hydraulic analysis of the Green Bay Water Utility’s distribution system that services 36,200 customers.
LAN has performed hydraulic modeling for more than 50 shutdowns for existing and proposed large diameter waterlines for the City of Houston.

Hydraulic & Transient Leadership

Melissa Mack
Melissa Mack, P.E.
Vice President, Principal
Ms. Mack is an experienced civil engineer focusing on water system hydraulic and transient analysis for municipal water systems. Melissa’s background includes hydraulic and transient modeling, water systems master planning, pump station design, large diameter water line route evaluation and design, and hydraulic analysis of water plant facilities. ...
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Warren Green
Warren Green, P.E.
Vice President, Chief Technical Officer
As Chief Technical Officer, Mr. Green serves as the technical liaison for all of LAN. He assists with staffing plans to assure project quality, develops and oversees technical presentations and publications, as well as assisting with defining and implementing technical training. Warren has more than 40 years of experience in the engineering management and supervision of complex drinking water supply and treatment projects totaling more than $1 billion. He is chair of the American Water Works Association (AWWA) Stainless Steel Pipe Standards Committee, and co-chair of the AWWA Steep Water Pipe Manufactures Technical Advisory Committee ...
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Example Projects