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U.S. Public Land Survey Monument Record CityolndedxiNo 810150 East Quarter Corner of Section 33, T08N R10E, Dane County Wisconsin NOTES: 1. Date of field work: Sept 20, 2017 2.This is a found perpetuated monument. Monument(P01) and witness ties(P02-P06) recovered Ire--- fr om monument record dated Mar 21,2007 by Carl Sandsnes,with excellent agreement(see Line Table). Bearing differences are due to different coordinate sy stems. Five new witness ties (P07-P11) .�� were established. �' 3s..s .. 3. Horizontal coordinates are Dane County Coordinates, U.S. Survey feet, NAD83(2007)datum, � � . computed from a combined adjustment of total station measurements and RTK GPS measurements from the Emil Street base station (MAON)at 43°02'12.78285"N, 89°24'34.27099"W (Easting 814396.30, Northing 469050.00 U.S. Survey feet).The Wisconsin Coordinate ReferencWIM Systems(WISCRS) parameters were used to compute Easting, Northing coordinates. See __ ,._ http://gis.cityofmadison.com/Madison_GPS/and www.sco.wisc.edu Horizontal 95% uncertainty from adjustment=+/-0.04 ft from the base station. 4. Elevations are in the NAVD88(1991)datum(the original adjustment), determined by same adjustment used for horizontal position, using the NAD 83(2011)(EPOCH 2010.00) ellipsoid height of 815.84 ft for the bottom of antenna mount of the Emil St base.The GEOID12(=12A=12B here) geoid model was used to compute NAVD 88(2012) elevations,then 0.17 ft subtracted to get NAVD 88(1991).Vertical 95% uncertainty from adjustment=+/-0.03 ft from the base station. 5. Compared to the county coordinates per 2007 Sandsnes record, my northing is 0.04 ft smaller, easting is 0.07 ft larger, and elevation is 0.02 ft larger. Some of the horizontal difference may be datum shift. LINE TABLE& NOTES Distances are horizontal. POINT TABLE& NOTES talics per i in n ensios Monument dimensions in inches,outside diameter(unless noted) Sandsnes s in 7 Elevations for witness monuments are shown to allow verification of section corner monument re07rd. monument. Note that witness monuments may not be stable vertically(or horizontally) Pt Northing Easting Elev Monument From To Bearing Distance P01 497107.30 842075.19 901.06 Found brass cap on concrete post (no cover) P01 P02 N07°58'1 1"E 2.02 ft P02 497109.30 842075.47 n/a Found 3/4in diam pipe leaning east (shot top) N06°50'01"E 2.00 ft P03 497107.17 842073.65 n/a Found 3/4in diam pipe leaning NW (shot top) P01 P03 S85°10'29"W 1.55 ft PO4 497106.01 842075.12 n/a Found 3/4in diam pipe leaning north (shot top) S84°08'32"W 1.59 ft P05 497107.24 842076.70 n/a Found 3/4in rod P01 PO4 S03°06'22"W 1.29 ft P06 497172.18 842075.02 898.47 Found hydrant top nut SO4°31'07"W 1.28 ft P07 497090.37 842072.79 n/a Set 3/4in rod P01 P05 S87°43128"E 1.51 ft P08 497128.74 842081.21 n/a Set 3/4in rod S87°31'51"E 1.46 ft P09 497177.25 842092.28 895.79 Set magnail in south curb head P10 497247.04 842150.67 901.15 3/4in rebar in concrete (landfill control #40) P01 P06 N00°09'00"W 64.88 ft P11 497169.52 842940.21 931.79 3/4in rebar in concrete (landfill control #41) N00°30'38"W 64.88 ft P01 P07 S08°04'07"W 17.10 ft P01 P08 N15°41'02"E 22.27 ft P01 P09 N13°43'46"E 72.01 ft N P01 P10 N28°22'32"E 158.82 ft Graphical Scale P01 P11 N85°53'09"E 867.25 ft p 40ft P10 P11 S84°23'33"E 793.34 ft P100 Public Works Facility west driveway P11� Sycamore Ave P09 • = I here by certify that the corner location 06 on this record was determined by or under my direction and control and ��11111111I11,8�� x that this US Land Survey Monument ��5 CONS/ Record is correct and complete to the\0 ,�`\ � best of m -owledg- and •-�. �� v" Detail blowup ,/� DANIEL C. X / RODMAN '"`f (not to scale) Signed I!'. '..... %%� S-2793 U P08 O P01 P02 Date: 9' 22ND ( 7 _ Madison, WI c / °-' P03 P05 r x P01 • PO4 Landfill / Dog Park ///��"9�° S U Rv�yp � ' Sycamore OP07 ��/II11111111111111��\ I Page 1 of 1 M:\DESIGN\PARKS\Survey\Sycamore\Section Corner 810150 Tie Sheet 2017.dgn 908/ 033 -ooc