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Geodetic Control Network PREPARED BY. The City With A Beaut:fu: Fu ture GEODETIC CONTROL NETWORK ~ ~~E,.~.AtJ~G~l<!'1~ .ft ~'O'.ItO. ."... ..., w.., ".,/t,. .,.,,,. , o"C':~;~ "./:_.../.,~. 'U"e': I.J T;:: _0, ~::., a...- ~. 8aAIbII b CUCarrmnlllt ~~~ " i . I I ;',"',".:' ." '.. . G.P~S. SURvEY REPORT GEODETIC CONTROL POINTS 1 to 9 ESTABLISHED BY TEAGUE' NALL AND PERKINS, INC., FOR THE CITY OF COPPELL, TX. IN MAY AND JUNE OF 1998 Geodetic Control Points 1 to 9 were established by the Teague NaIl and Perkins, Inc., Survey Department in the months of May and June of 1998. The purpose of this project was to establish a city wide control network. The project was performed using Trimble 4000S81 receivers. The receivers were logging both Ll and L2 frequencies. GPSurvey version 2.20 was used to process the baselines. All baselines used were either Ll fixed or lanD Free fixed. The adjustment was performed using the least squares adjustment in Trimnet Plus. The City of Coppell Control Network is based on the N.G.S. A Order Station "ARLIN"GTON RRP". The Datum - used is NAn 83(93). The State Plane Coo~dinatei published herein are Texas-North Central Zone. The Vertical Datmn published herein is based on the NA VD 88. The data published herein meets and/or exceeds Third Order Accuracy. BASIS FOR RORlZONT AL POSITION The horizontal positions for the Geodetic Control Network for the City of Coppell was established using the N.G.S. A Order Station "Arlington RRP", and the N.G.S. First Order Station "W 914". These points were held fixed for Horizontal Positioning on the City of Coppell's monuments 1 to 9. Horizontal postions for monumentsJ to 9 meet andlor exceed Second Order Specifications. BASIS FOR'VERTICAL DATUM : The vertical danun for the Geodetic Control Network for the City of Coppell was established using the N.G.S. First Order Class 2 Station "Arlington RRP", the N.G.S. Second Order Class 0 Station"W 914", and the N.G.S. Second Order Class 0 Station "N 946". These points were held fixed for the Vertical Datum on the City of Coppell's mouments 1 to 9. Vertical Datum on these points meets andlor exceeds Third Order Accuracy. <J:: I- <J:: o U !- W o o w C) ~ <1: o W -I 0 Z'--'" <(tj ::r:Z I-W :::>0 N Lct: t') _w "j N> <(2 ('.1 0 CO wO ;t Z"---' 0 <( -.J Q... ,--,. I- W {f)W Ww... I- <( >- c;o r-... ZW n ~ > .0 0 Oct: ~ -;t n::::::::) n oi o (f) to r-... o r") CO ~ U vi .8 ('J w ,I' :::> "---' '" f- W - W .- w... V1 '<T '-':' a.: <'i > 'N ~ C) l{) w ~i!: n~ 0'>0 Z n CO o <( z o :c f- :::) ~ N <( ~ ~ ~ Vi I- Z o 0... u... o z o i= 0.. i2 () VI w o ~ ::) ~ N <( -' -' -< . :c. rJ (} 0 r:::. ~ r~ N ~I ~Q -~: --_...~= .-'=:: . ~ - ROYAL L.ANE I U I---- W ~ (j) ~ ~ W ::L l- I- <1: o' wO I-<{ <{o (J~ o . --1~ W .I ocr- wUJ >CI:l o (..)0 Z V1 <{ (f) WW uz U<( <(--1 I...J 1-<( ~b l-~ Zw... ~O :JO::: zw OZ ~O::: . 0 {:.U 0:::>- :)Vl u<( wW rf) IE QO::: 00 I-Z ",:::...:. 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CITY OF COPPELL'S BENCHMARK DESCRIPTIONS (ELEV ATIONS ON ADJACENT PAGE) HM DESCRIPTION 10 ALUMINUM MARKER SET IN THE WEST SIDE OF AN INLET ON THE NORTH SIDE OF P ARKW A Y BLVD., APPROXIMATELY lOT (FEET) WEST OF PHILLIPS DRIVE. 12 ALUMINUM MARKER SET IN THE TOP OF CURB IN THE PARKING LOT, BETWEEN THE FLAG POLES, OF FIRE STATION NO.2 LOCATED AT 366 MACARTHUR BLVD. 13 ALUMINUM MARKER SET IN THE CENTER OF AN INLET ON THE NORTH SIDE OF SOUTHWESTERN BLVD., APPROXIMATELY 263' (FEET) WEST OF COPPELL ROAD. 14 ALUMINUM MARKER SET IN THE NORTH SIDE OF AN INLET ON THE WES OORE ROAD IN FRONT OF BARBA AUSTING LEMENTARY, APPROXIMATELY 63' (FEET ORTH OF PHEASANT LANE. A (.A. ~ r , I-.J 15 ALUMINUM MARKER SET IN THE CENTER OF AN INLET ON THE EAST SIDE OF NORTHBOUND DENTON TAP ROAD, APPROXIMATELY 89' (FEET) NORTH OF THE WESTBOUND FRONTAGE ROAD OF 121 BYPASS {SPUR "3~. ~ I-f ,z., 16 ALUMINUM MARKER SET IN THE CENTER OF AN INLET ON THE NORTH SIDE OF BETHEL SCHOOL ROAD, APPROXIMATELY 104' (FEET) WEST OF HUNTERS RIDGE CIRCLE. 17 ALUMINUM MARKER SET IN THE TOP OF CURB OF THE PARKING LOT OPPOSITE THE FRONT DOORS OF WILSON ELEMENTARY AT 200 N. COPPELL RD., APPROXIMATELY 36t (FEET) EAST OF THE CENTER: LINE OF SAID COPPELL ROAD. 1 CITY OF COPPELL'S BENCHMARK DESCRIPTIONS (ELEVATIONS ON ADJACENT PAGE) BM DESCRIPTION 18 ALUMINUM MARKER SET IN THE SOUTH SIDE OF AN INLET ON THE EAST SIDE OF NORTHBOUND ROYAL LANE, APPROXIMATELY 123' (FEET) SOUTH OF THE CENTER OF A BRIDGE OVER COTTONWOOD CREEK. 19 ALUMINUM MARKER SET IN THE SOUTH SIDE OF AN INLET ON THE WEST SIDE OF RIVERCHASE DRIVE, APPROXIMATELY 181' (FEET) NORTH OF STONECREST DRIVE. .20 -ALUMINUM MARKER-SET IN THE CENTER OF AN INLET ON THE EAST SIDE OF NORTHBOUND MACARTHUR BLVD. , APPROXIMATELY 181' (FEET) -NORTH OF ALLEN ROAD. 2 -~--~~-----~--------------------------~-----------------------------------------1 -prepared by; Teague, NaIl & Perkins #CGnS08108 List-~~ords/Brg-Azi "97113BM "6/1~/98 10:13:45 Factor: 1.0000000 -------------------------------------------------------------------------------- -pt.0. -Cod North East -Elevation- n;0s . .- \0 7041673.17150 2435955.73250 463.690 BM io 12 7035854.24600 2441019.51550 450.370 BM#l 13 7031364.97150 2426761.43900 516.870 BM#13 14 7037762.60750 2435622.34800 508.480 BM#14 15 7045394.26550 2430493.23850 465.560 EM#15 16 7035524.38700 2432194.33350 511.130 BM#16 17 7037192.50550 2426521.92100 515.370 -BM#17 18 7036215.20350 2420394.66700 515.120 BM#18 19 7036054.32600 2443703.17450 444.660 BM#19 20 7042436.594~0 2439339.25900 450.130 BM#20 '.' 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