Water Supply & Transmission


Solutions That Fit Your Need

Providing clean drinking water to communities is an ever-increasing need that requires specialized operational knowledge. LAN has successfully performed comprehensive studies and designed cost-effective and energy-efficient solutions for many water supply and distribution projects. Our experience covers all phases of water transmission—from supply planning and analysis, to treatment-plant, waterline (ranging up to 108 inches in diameter), pumping-station, and storage-facility design. Trenchless technologies have become common considerations to minimize impacts to the public. We are experienced with trenchless method identification, tunnel shaft design, and mitigation of surface disruption caused by unstable soil conditions. Additionally, with large-diameter pipeline wear and tear due to age and improper installation, LAN’s “Condition Assessment Plus” is a proactive approach to assess, evaluate, and perform rehabilitation before failures occur.

LAN has designed and managed more than 300 miles of large diameter water transmission lines in urban environments

The US uses 79.6 billion gallons per day of fresh groundwater for public supply, private supply, irrigation, livestock, manufacturing, mining, thermoelectric power, and other purposes

Water Supply & Transmission Leadership

Mackrena Ramos
Mackrena Ramos, P.E.
Vice President, SWTP Program Manager
Mackrena Ramos joined LAN in 1999 and has 21 years of engineering experience in large diameter water main design including management of the Surface Water Transmission Program. The City of Houston’s Surface Water Transmission Program (SWTP) was established in 1985 and includes more than 300 miles of pipelines with a construction cost of over $660M. Mackrena is the SWTP Program Manager and is responsible for meeting Program budgets and deadlines as well as tracking performance measures. She supervises the work of design consultants, professional and technical personnel, the review and approval of designs and related construction changes, and is the liaison with the client. Projects and services provided in the Program include trenchless design such as tunneling, horizontal directional drilling, and slip lining; corrosion design and commissioning; hydraulic and transient analysis; construction phase services; and condition assessment of the existing water system. Her primary focus also includes capital improvement planning, design quality, cost reduction reviews, and optimal phasing of improvements for the Program ...
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Bob Card
Bob Card, P.E.
Chief Pipe Engineer
Over the course of his 35+ year career with pipe manufacturers and consultants, Bob Card has designed more than 2,000 individual pipeline projects using a variety of pipe materials up to 198-inches in diameter. He is a design expert with many types of pipe, including concrete pressure, steel, reinforced concrete, stainless steel, ductile iron, fiberglass reinforced plastic, and high-density polyethylene. His pipeline design includes work in more than 35 states, and six foreign countries. Bob is also an accomplished project manager and technical reviewer. Bob is active in various professional associations, writing specifications and codes for AWWA, ASCE, and ASTM ...
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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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