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. <br /> . • <br /> J � , � <br /> Mapping Initiative Summary <br /> STORM WATER MANHOLE & INLET MAPPING PROPOSAL <br /> City of Decatur: <br /> General Geography & Utilities Information <br /> Incorporated Area: N 42.7 sq mi land / 4.3 sq mi water <br /> Q-Sections: N 230 quarter sections <br /> Streets: N 787 mi (within corporate boundary) <br /> Storm Water MH's N 2,533 (as per City of Decatur GIS / CAD archives) <br /> Storm Water Inlets N 5,554 (as per City of Decatur GIS / CAD archives) <br /> Estimated Storm Manhole Acquisition Time <br /> Equipment: Two (2) City of Decatur, Leica GX1250 GPS units with Differential <br /> Correction via CDMA cellular modem, AX1202 antennae and a Leica <br /> SR530 Base Station: Kara Spider Network, Decatur CORS. <br /> Estimated Time = 21 GPS days (required total days in field, less processing and <br /> QA/QC) at an average collection rate of 120 features per day. <br /> Estimated Storm Inlet Acquisition Time <br /> Equipment: Two (2) City of Decatur, Leica GX1250 GPS units with Differential <br /> Correction via CDMA cellular modem, AX1202 antennae and a Leica <br /> SR530 Base Station: Kara Spider Network, Decatur CORS. <br /> Estimated Time = 46 GPS days (required total days in field, less processing and <br /> QA/QC) at an average collection rate of 120 features per day. <br /> 67 Total GPS days for storm water manholes and inlets: <br /> Storm Water MH's 2,533 @ 6.25 = $15,831 <br /> Storm Water Inlets 5,554 @ 6.25 = $34,712 <br /> Storm Water Acquisition Total = $50,543 , <br />