1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 AI2815 *********************************************************************** AI2815 DESIGNATION - 4011 AI2815 PID - AI2815 AI2815 STATE/COUNTY- FL/POLK AI2815 USGS QUAD - PROVIDENCE (1988) AI2815 AI2815 *CURRENT SURVEY CONTROL AI2815 ___________________________________________________________________ AI2815* NAD 83(1999)- 28 12 03.38487(N) 081 59 30.39772(W) ADJUSTED AI2815* NAVD 88 - 36.3 (meters) 119. (feet) GPS OBS AI2815 ___________________________________________________________________ AI2815 X - 783,681.497 (meters) COMP AI2815 Y - -5,570,382.825 (meters) COMP AI2815 Z - 2,996,153.373 (meters) COMP AI2815 LAPLACE CORR- -2.38 (seconds) DEFLEC99 AI2815 ELLIP HEIGHT- 9.79 (meters) (05/31/01) GPS OBS AI2815 GEOID HEIGHT- -26.48 (meters) GEOID99 AI2815 AI2815 HORZ ORDER - FIRST AI2815 ELLP ORDER - FOURTH CLASS I AI2815 AI2815.The horizontal coordinates were established by GPS observations AI2815.and adjusted by the National Geodetic Survey in May 2001. AI2815 AI2815.The orthometric height was determined by GPS observations and a AI2815.high-resolution geoid model. AI2815 AI2815.The X, Y, and Z were computed from the position and the ellipsoidal ht. AI2815 AI2815.The Laplace correction was computed from DEFLEC99 derived deflections. AI2815 AI2815.The ellipsoidal height was determined by GPS observations AI2815.and is referenced to NAD 83. AI2815 AI2815.The geoid height was determined by GEOID99. AI2815 AI2815; North East Units Scale Converg. AI2815;SPC FL W - 428,476.117 200,807.263 MT 0.99994118 +0 00 14.0 AI2815;UTM 17 - 3,119,860.003 402,664.746 MT 0.99971693 -0 28 07.4 AI2815 AI2815 SUPERSEDED SURVEY CONTROL AI2815 AI2815 NAD 83(1990)- 28 12 03.38343(N) 081 59 30.39722(W) AD( ) 1 AI2815 ELLIP HT - 9.74 (m) (11/30/99) GP( ) 4 1 AI2815 AI2815.Superseded values are not recommended for survey control. AI2815.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AI2815.See file dsdata.txt to determine how the superseded data were derived. AI2815 AI2815_U.S. NATIONAL GRID SPATIAL ADDRESS: 17RMM0266519860(NAD 83) AI2815_MARKER: DD = SURVEY DISK AI2815_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AI2815_STAMPING: GPS 4011 1999 AI2815_MARK LOGO: FL1690 AI2815_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT AI2815_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AI2815+STABILITY: SURFACE MOTION AI2815_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AI2815+SATELLITE: SATELLITE OBSERVATIONS - May 21, 2003 AI2815 AI2815 HISTORY - Date Condition Report By AI2815 HISTORY - 1999 MONUMENTED KEISCH AI2815 HISTORY - 20030521 GOOD GCYI AI2815 AI2815 STATION DESCRIPTION AI2815 AI2815'DESCRIBED BY KEITH AND SCHNARS - LAKELAND 1999 (RTS) AI2815'THE STATION IS LOCATED ABOUT 6 MI (9.7 KM) NORTH OF LAKELAND IN THE AI2815'NORTH RIGHT OF WAY OF ROCK RIDGE ROAD IN SECTION 22, TOWNSHIP 26 AI2815'SOUTH, RANGE 23 EAST, POLK COUNTY, FLORIDA. TO REACH THE STATION FROM AI2815'THE INTERSECTION OF US 98 AND ROCK RIDGE ROAD, NORTH OF LAKELAND, GO AI2815'EAST ON ROCK RIDGE ROAD FOR 0.86 MI (1.38 KM) TO THE STATION ON THE AI2815'LEFT. THE STATION LIES 122 FT (37.2 M) EAST OF A CONCRETE BRIDGE, AI2815'16.3 FT (5.0 M) NORTH OF THE CENTERLINE OF ROCK RIDGE ROAD AND 28.1 FT AI2815'(8.6 M) SOUTHEAST OF A CARSONITE WITNESS POST. THE STATION IS A ROUND AI2815'POURED-IN-PLACE CONCRETE MONUMENT 1 FT (0.3 M) IN DIAMETER WITH A CITY AI2815'OF LAKELAND GEODETIC CONTROL DISC STAMPED 4011 1999, RECESSED 0.5 FT AI2815'(15.2 CM) BELOW GROUND. REFERENCES--SET NAIL AND DISC, LB 1337, IN AI2815'WOOD POWER POLE, NORTH 12 DEGREES EAST AT 59.99 FT (18.28 M) . SET AI2815'NAIL AND DISC, LB 1337, AT THE EDGE OF PAVEMENT, SOUTH 51 DEGREES EAST AI2815'AT 1.53 FT (0.47 M) . SET NAIL AND DISC, LB 1337, AT THE EDGE OF AI2815'PAVEMENT, SOUTH 30 DEGREES WEST AT 29.05 FT (8.85 M) . SET CARSONITE AI2815'WITNESS POST, NORTH 59 DEGREES WEST AT 28.14 FT (8.58 M) . AI2815 AI2815 STATION RECOVERY (2003) AI2815 AI2815'RECOVERY NOTE BY G.C.Y., INCORPORATED 2003 AI2815'REFERENCE 'NAIL AND DISC, LB 1337, AT THE EDGE OF PAVEMENT, SOUTH 51 AI2815'DEGREES EAST AT 1.53 FT (0.47 M)' WAS NOT FOUND. IMPRESSION OF WASHER AI2815'AND NAIL HOLE REMAIN IN ASPHALT AT THIS BEARING AND DISTANCE.