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Service Description: The DWW GSI layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention, biofiltration/bioretention, and conveyance) are generally shallow depressions with a designed mix of soil and plants which break down pollutants through natural processes while reducing runoff. Permeable pavement is a paving system which allows rainfall to percolate into an underlying soil or aggregate storage reservoir. Underdrain piping systems are provided to prevent prolonged ponding of stormwater or to collect and convey water to another facility. Rain gardens are less engineered systems that are designe to mitigate water from the sidewalk only and have two inches or less of ponded depth. The drainage structures represented in the GSI points are not all unique to GSI, however, they are specifically part of SPU GSI projects.
Map Name: Layers
Legend
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Dynamic Legend
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Layers:
Description:
Copyright Text: Seattle Public Utilities
Spatial Reference:
2926
(2926)
Single Fused Map Cache: false
Initial Extent:
XMin: 1197311.0266633981
YMin: 177435.47023371895
XMax: 1324003.7349967316
YMax: 286159.42856705235
Spatial Reference: 2926
(2926)
Full Extent:
XMin: 1246016.162712723
YMin: 178356.83287468553
XMax: 1295234.250059113
YMax: 282058.216660887
Spatial Reference: 2926
(2926)
Units: esriFeet
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title:
Author:
Comments: The DWW GSI layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention, biofiltration/bioretention, and conveyance) are generally shallow depressions with a designed mix of soil and plants which break down pollutants through natural processes while reducing runoff. Permeable pavement is a paving system which allows rainfall to percolate into an underlying soil or aggregate storage reservoir. Underdrain piping systems are provided to prevent prolonged ponding of stormwater or to collect and convey water to another facility. Rain gardens are less engineered systems that are designe to mitigate water from the sidewalk only and have two inches or less of ponded depth. The drainage structures represented in the GSI points are not all unique to GSI, however, they are specifically part of SPU GSI projects.
Subject: In the polygon data, Facility Footprints details the footprint of the swale, permeable pavement, and rain garden features. Each polygon has an associated drain line feature that is used to show the basic direction that drainage flow may be travelling
Category:
Keywords: GSI,Green Storm Infrastructure,SPU
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON
Supports Query Data Elements:
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
Child Resources:
Info
Dynamic Layer
Supported Operations:
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