design storm

design storm

[di′zīn ‚stȯrm]
(civil engineering)
A storm whose magnitude, rate, and intensity do not exceed the design load for a storm drainage system or flood protection project.
References in periodicals archive ?
This design is based on many factors such as the design storm event ground permeability and total area to be drained from.
Description : The Umatilla sewer projects will provide capacity to handle peak buildout flows during a 5-year design storm event and reduce existing overflows.
The design of the gravity sewer main and the force main are based on results from a hydraulic capacity analysis with an objective of both being able to transport the projected peak design storm flow.
2003) also stated that the time distribution of a design storm should be obtained from data observed in the area of study or from regional data; however, in Brazil, this type of data is seldom available.
Of the $500,000 in penalties, $300,000 will go toward a project conducted by the Southern California Coastal Water Research Project Authority to conduct design storm development work.
The main purposes of the program are to design storm systems and analyze the performance of storm sewers under various scenarios.
Description : The Maple Street Lift Station project will provide the capacity necessary to meet peak existing and buildout flows during a 5- year design storm event.
A total of approximately 3,500 feet of 60-inch pipe will provide temporary storage during the design storm event.
The existing bridge has a 100-year design storm elevation above the roadway surface.
The 2001 Sonoma Valley County Sanitation District wet Weather Sewer Analysis of the existing trunk system found that much of the existing sewer trunk is inadequately sized to carry the discharge for future District buildout plus the inflow and infiltration from a 20-year frequency design storm.
reclassified to a high hazard dam, thereby requiring a higher spillway design storm.
Specific manhole locations for these major sewers were determined by comparing hydraulic gradelines to manhole rim elevations for the DC Water 15-year design storm.
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