FALSE
1.0
swManhole
878834.784910
1082526.504823
2649738.746057
2856013.455226
1
002
Projected
GCS_North_American_1983
Linear Unit: Foot_US (0.304801)
NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001_Feet
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20250423
14435500
20250423
14435500
20210627
11561200
500000
5000
Storm Manholes - point feature
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Manhole features connect two or more pipes and control the flow of water in the network through pipe elevations. Manhole invert elevations are stored on the pipes, instead of the manholes themselves.</SPAN></P><P><SPAN><SPAN>About the data acquisition project:</SPAN></SPAN></P><P><SPAN><SPAN>Update features in an existing planimetric dataset, and collect some new additional feature classes, from imagery acquired in the spring of 2020, with a horizontal positional accuracy that shall not exceed 0.38-meters NSSDA 95% confidence (0.22-meters Root Mean Squared (RMSE) Error XY (0.15-meter RMSE X or Y), suitable for 40-scale Planimetrics.</SPAN></SPAN></P><P><SPAN><SPAN>Imagery Bands: 4-band (true color & near infrared) </SPAN></SPAN></P><P><SPAN><SPAN>Acceptable Window: Spring 2020, generally thought to be from February 1, 2020 and continue through April 30, 2020. </SPAN></SPAN></P><P><SPAN><SPAN>Acquisition Conditions: Leaf off, snow free, free from clouds, smoke, haze, light streaks, flooding (streams/rivers in banks), and excessive soil moisture. </SPAN></SPAN></P><P><SPAN><SPAN>Sun angle: Greater than 35 degrees over entire project. Minimal shadows, generally between 10am and 2pm. </SPAN></SPAN></P><P><SPAN><SPAN>Resolution: 7.5 cm Ground Sample Distance (pixel resolution)</SPAN></SPAN></P><P><SPAN /></P></DIV></DIV></DIV>
Stormwater
manholes
2020
Cape Cod
Cape Cod Commission funded project completed by Quantum Spatial, Inc. starting in 2020.
Based on Spring 2020 aerial photography.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Publicly available data.</SPAN></P></DIV></DIV></DIV>
Esri ArcGIS 13.4.0.55405
swManhole
1
-70.686971
-69.929492
42.082101
41.508292
OBJECTID
OBJECTID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
SHAPE
SHAPE
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
ACTIVEFLAG
Active Flag
SmallInteger
2
0
0
Indicates if the feature is in use/active
CONDITION
Manhole Condition
String
10
0
0
The condition of the asset
CUTDEPTH
Pavement Cut Depth
Double
8
0
0
Pavement Cut Depth
CVTYPE
Cover Type
String
50
0
0
The type of stormwater manhole cover
ENABLED
Enabled
SmallInteger
2
0
0
Enabled
FACILITYID
Facility ID
String
20
0
0
Locally assigned Facility Identifier
FLOWDIR
Flow Direction
String
5
0
0
Defines the direction of flow using geometric flow direction values
GPSDATE
GPS Date
Date
8
0
0
Date the feature was located with GPS
HIGHELEV
High Pipe Elevation
Double
8
0
0
High pipe elevation inside manhole
INSTALLDATE
Install Date
Date
8
0
0
The date the asset was installed
INVERT
Invert
Double
8
0
0
The depth of the manhole
INVERTELEV
Invert Elevation
Double
8
0
0
The bottom elevation of the manhole
LASTEDITOR
Last Editor
String
50
0
0
The user who performed the last update
LASTUPDATE
Last Update Date
Date
8
0
0
The date the feature was last updated in the maintenance database
LINED
Lined
String
3
0
0
Indicates if the manhole is lined
LOCDESC
Location Description
String
200
0
0
A general description of the location of the manhole
MAINTBY
Managed By
SmallInteger
2
0
0
Indicates which organization maintains the asset
MHTYPE
Manhole Type
String
15
0
0
The type of manhole
OWNEDBY
Owned By
SmallInteger
2
0
0
Indicates which organization owns the asset
RIMELEV
Rim Elevation
Double
8
0
0
The elevation of the manhole rim
SUMFLOW
Flow Summary
Double
8
0
0
The sum of flow
WALLMAT
Wall Material
String
25
0
0
Wall Material
swManhole
Feature Class
0
Status
Status
String
100
0
0
File Geodatabase Feature Class
dataset
EPSG
5.3(9.0.0)
0
Simple
FALSE
0
TRUE
FALSE
20250423