View In:   ArcGIS Online Map Viewer

Name: ADA Curb Ramp Inventory

Display Field: LASTUPDATE

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>MPOJC’s field technicians used an iPad Mini equipped with a cellular data plan to allow online editing of a cloud-based map while out in the field. To collect data accurately and efficiently, technicians used a comprehensive set of definitions for attributes as outlined below. </SPAN></SPAN></P><P><SPAN><SPAN>Curb Ramps </SPAN></SPAN></P><P><SPAN><SPAN>The data dictionary employed for the curb ramp inventory was: </SPAN></SPAN></P><P><SPAN><SPAN>1. Ramp type: Left or Right (perpendicular); Center (diagonal); Under Construction </SPAN></SPAN></P><P><SPAN><SPAN>2. Detectable warnings (i.e. truncated domes): </SPAN></SPAN></P><P><SPAN><SPAN>a. None installed </SPAN></SPAN></P><P><SPAN><SPAN>b. 25 percent damaged </SPAN></SPAN></P><P><SPAN><SPAN>c. 50 percent damaged </SPAN></SPAN></P><P><SPAN><SPAN>d. 75 percent damaged </SPAN></SPAN></P><P><SPAN><SPAN>e. None damaged </SPAN></SPAN></P><P><SPAN><SPAN>3. Truncated domes aligned with crosswalk: yes/no/unknown </SPAN></SPAN></P><P><SPAN><SPAN>4. Common panel slope: cross slope over 2%, cross slope less than 2%, no common panel </SPAN></SPAN></P><P><SPAN><SPAN>5. Ramp running slope: 0-5%, 5-8.3%, 8.3-11%, 11%+ </SPAN></SPAN></P><P><SPAN><SPAN>6. Receiving ramp on opposite side of street: yes/no </SPAN></SPAN></P><P><SPAN><SPAN>7. Pavement condition: Good – no major cracks or uneven areas; Fair – some major cracks or uneven areas; Poor - major cracks or missing and uneven concrete </SPAN></SPAN></P><P><SPAN>The field technicians relied on ortho-photography to correctly identify the precise point of each curb ramp. After recording the location of each ramp, field technicians used a digital level and tape measure to determine slopes and widths, entered these values in the appropriate data fields, and captured a digital image of the site.</SPAN></P></DIV></DIV></DIV>

Service Item Id: 6f406ecd42a040f3a299afc8a5266163

Copyright Text: Metropolitan Planning Organization of Johnson County, Neighborhood and Development Services Department, City of Iowa City

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• Name: ADA Curb Ramp Inventory
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