Stormwater Management

Case Study

Pervious Concrete as a Large Area Thin Infiltration System

Monday, February 12
11:30 AM - 12:30 PM

PDH: 1

Location: 102B

Level of Presentation: All: Suitable for a broad audience

Civil engineers have their hands full these days when it comes to stormwater design and tend to throw everything but the kitchen sink at the problem in an attempt to satisfy the new regulations, but it does not have to be that way. Pervious concrete storm water management systems, when designed according to the principle known as LATIS, or Large Area Thin Infiltration System, are considerably more effective and less costly than other BMP's. More that just a way to reduce stormwater runoff, utilizing the power of a LATIS design, pervious concrete pavements greatly simplifies stormwater management by completely eliminating run off even in slow draining type D clay soils. LATIS however represents a 180 degree departure from conventional storm water modeling and design and requires a major re-think. This presentation illustrates this new design approach by taking participants step by step through the building of a series of system models leading up to a 100 year storm event. As a result of this presentation participants will understand how the use of conventional storm design tools, applied to pervious pavements, actually increase the cost and lower the performance of the systems. As a result of this understanding participants will gain the ability to lower site design costs through simplified design, while increasing efficacy.

Learning Objectives:

Target Audience: Architect,Developer/Builder,Engineer,Landscape,Landscape Architect,Storm Water

David Liguori

Bay Area Pervious Concrete Technical Services Division

Designing and building pervious concrete stormwater management systems for the past 12 years David has a considerable degree of real world experience that he draws in his presentations to civil engineers. David developed the Large Area Thin Infiltration System concept and has given over 100 presentations on the subject to civil engineers and architects in the northern California Bay Area. David is a member of: ASTM C09.49 Pervious Concrete Testing Committee
National Pervious Concrete Paving Assoc. (NPCPA) Board of Directors, Education Committee Chair
Cal-Trans Pervious Pavement Industry Advisory Council Member
National Ready Mix Concrete Assoc. (NRMCA) Certified Pervious Concrete Craftsman
American Concrete Institute (ACI) Lead Instructor for the N. Cal /Nev Pervious Concrete Technician Training Class
Founder & President of Bay Area Pervious Concrete


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Pervious Concrete as a Large Area Thin Infiltration System


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