{ "name":"Enhancements2022/BRW_MH_FH_Dec2016_survey_grade", "title":"Enhancements2022/BRW_MH_FH_Dec2016_survey_grade", "type":"Map Service", "typeKeywords":["ArcGIS Server","Service","Map Service"], "description":"

I took four survey grade shots around the edge of every man hole and used those points to draw a best fit circle in CAD, and that is what I exported for the shapefile. Once I had all the circles in CAD, I set a point in the center manually and averaged the four elevations to add a z value to the calculated point. The calculated center point is the csv file.<\/SPAN><\/SPAN><\/P>

Description: ASP NAD 83 Zone 6 in US Feet, Vertical Datum is Mean Lower Low Water (MLLW). Date of Survey, 9/23 - 29, 10/5, 10/8 - 10/9/2014. Reference Field Books: UMIAQ FB 1205 pgs. 64-70; UMIAQ FB1206 pgs. 1-17 & 29. <\/SPAN><\/SPAN><\/P>

MH-### = Standard Manhole<\/SPAN><\/SPAN><\/P>

MH-###-V = Standard Manhole With a Vent<\/SPAN><\/SPAN><\/P>

MH-###-F = Standard Manhole With a Fire Hydrant<\/SPAN><\/SPAN><\/P>

MH-###-F-V = Standard Manhole With a Fire Hydrant & Vent<\/SPAN><\/SPAN><\/P>

MH-###-S = Standard Service Manhole<\/SPAN><\/SPAN><\/P>

<\/P><\/DIV><\/DIV><\/DIV>", "extent":[[-100265.7464544015,-100083.22112095184],[2368782.324483979,2368937.111048656]], "url":"https://gis-public.north-slope.org/server/rest/services/Enhancements2022/BRW_MH_FH_Dec2016_survey_grade/MapServer" }