Description: Subtypes:Side Opening: A catch basin with a standard, vertical curb opening.Grated: A catch basin with a grate-covered opening located in the plane of the gutter or pavement.Combination: A catch basin with both side and grated openings.Inlet: A flared-type catch basin typically made of corrugated steel pipe (CSP).Cover: A lid for the access hole to a catch basin, typically made of cast iron.Insert: A manufactured frame incorporating filter or fabric and placed in a curb opening to remove trash, and sediments from catch basins. It is also a form of Best Management Priactice.Cover & Insert: A combined cover and insert device. Attributes: Most of the feature classes in this storm drain geometric network share the same GIS table schema. Only the most critical attributes per operations of the Los Angeles County Flood Control District are listed below:AttributeDescriptionASBDATEThe date the design plans were approved "as-built" or accepted as "final records".CROSS_SECTION_SHAPEThe cross-sectional shape of the pipe or channel. Examples include round, square, trapezoidal, arch, etc.DIAMETER_HEIGHTThe diameter of a round pipe or the height of an underground box or open channel.DWGNODrain Plan Drawing Number per LACFCD NomenclatureEQNUMAsset No. assigned by the Department of Public Works' (in Maximo Database).MAINTAINED_BYIdentifies, to the best of LAFCD's knowledge, the agency responsible for maintaining the structure.MOD_DATEDate the GIS features were last modified.NAMEName of the individual drainage infrastructure.OWNERAgency that owns the drainage infrastructure in question.Q_DESIGNThe peak storm water runoff used for the design of the drainage infrastructure.SOFT_BOTTOMFor open channels, indicates whether the channel invert is in its natural state (not lined).SUBTYPEMost feature classes in this drainage geometric nature contain multiple subtypes.UPDATED_BYThe person who last updated the GIS feature.WIDTHWidth of a channel in feet.
Copyright Text: This data is maintained by the Los Angeles County Department of Public Works. Contacts: Thierno Diallo, PE, 626-458-6920, tdiallo@dpw.lacounty.gov; Jeff Wingate, PE, 626-458-7396, jwingate@dpw.lacounty.gov.
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