Transcription of CHAPTER 4 STORM DRAINAGE SYSTEMS - Charlotte, North …
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CHARLOTTE-MECKLENBURG STORM water DESIGN MANUAL CHAPTER 4 STORM DRAINAGE SYSTEMS Overview .. 4-1 Introduction .. 4-1 Inlet Definition .. 4-1 Criteria .. 4-1 Pavement DRAINAGE .. 4-2 Introduction .. 4-2 STORM Drain Location .. 4-2 Inlet Types and Spacing .. 4-2 Longitudinal Slope .. 4-3 Cross Slope .. 4-3 Curb and Gutter .. 4-3 Median Ditches .. 4-3 Roadside 4-3 Bridge Decks .. 4-3 Median Barriers .. 4-4 CHARLOTTE-MECKLENBURG STORM water DESIGN MANUAL Gutter Flow Calculations .. 4-4 Formula.
with water entering from one direction. The “sag” condition exists when the inlet is located at a low point and water enters from both directions. 4.1.3 Criteria . The following criteria shall be used for drainage system design. • Maximum spread of 6 feet in a travel lane based on a rainfall intensity of 4 inches/hour.
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