1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 AB2981 *********************************************************************** AB2981 DESIGNATION - 10 LB 7 AB2981 PID - AB2981 AB2981 STATE/COUNTY- NC/DURHAM AB2981 USGS QUAD - SOUTHWEST DURHAM (1993) AB2981 AB2981 *CURRENT SURVEY CONTROL AB2981 ___________________________________________________________________ AB2981* NAD 83(1986)- 35 54 51.62157(N) 078 55 03.01013(W) ADJUSTED AB2981* NAVD 88 - 112.35 (+/-2cm) 368.6 (feet) VERTCON AB2981 ___________________________________________________________________ AB2981 LAPLACE CORR- -6.05 (seconds) DEFLEC99 AB2981 GEOID HEIGHT- -31.46 (meters) GEOID99 AB2981 AB2981 HORZ ORDER - SECOND AB2981 VERT ORDER - THIRD ? (See Below) AB2981 AB2981.The North Carolina/South Carolina HARNS have been completed but, AB2981.due to contractual restrictions, coordinates for these stations AB2981.will NOT be published in the near future. In the interim, the AB2981.published coordinates in North and South Carolina will not be AB2981.consistent with the Continuously Operating Reference Stations AB2981.(CORS). The HARN coordinates for these stations are available AB2981.upon request. Contact Gary Thompson(919-733-3836), or Lewis AB2981.Lapine(803-896-7700). AB2981. AB2981.In addition, the published North and South Carolina positions AB2981.(NAD 83 (1986)) are NOT consistent with those determined in AB2981.adjacent state readjustments. The discontinuity between stations AB2981.located in North or South Carolina and those in adjacent states AB2981.which have been adjusted to the HARN may be as much as 5 AB2981.decimeters. This will result in a significant loss of accuracy AB2981.over lines crossing such state borders. AB2981 AB2981 AB2981.The horizontal coordinates were established by classical geodetic methods AB2981.and adjusted by the National Geodetic Survey in April 1996. AB2981.No horizontal observational check was made to the station. AB2981 AB2981.The NAVD 88 height was computed by applying the VERTCON shift value to AB2981.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) AB2981.The vertical order pertains to the superseded datum. AB2981 AB2981.The Laplace correction was computed from DEFLEC99 derived deflections. AB2981 AB2981.The geoid height was determined by GEOID99. AB2981 AB2981; North East Units Scale Converg. AB2981;SPC NC - 240,099.543 617,047.054 MT 0.99993934 +0 02 51.4 AB2981;UTM 17 - 3,976,451.088 687,906.305 MT 1.00003509 +1 13 18.8 AB2981 AB2981 SUPERSEDED SURVEY CONTROL AB2981 AB2981 NGVD 29 - 112.60 (m) 369.4 (f) LEVELING 3 AB2981 AB2981.Superseded values are not recommended for survey control. AB2981.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AB2981.See file dsdata.txt to determine how the superseded data were derived. AB2981 AB2981_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPV8790676451(NAD 83) AB2981_MARKER: DE = TRAVERSE STATION DISK AB2981_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AB2981_STAMPING: 10 LB 7 1973 AB2981_MARK LOGO: NCDOT AB2981_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT AB2981_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AB2981+STABILITY: SURFACE MOTION AB2981 AB2981 HISTORY - Date Condition Report By AB2981 HISTORY - 1973 MONUMENTED NCDOT AB2981 HISTORY - 19880101 GOOD NCGS AB2981 HISTORY - 20021201 MARK NOT FOUND INDIV AB2981 AB2981 STATION DESCRIPTION AB2981 AB2981'DESCRIBED BY NORTH CAROLINA GEODETIC SURVEY 1988 (EWB) AB2981'STATION IS LOCATED ABOUT 9.0 KM (5.6 MI) SOUTH OF DURHAM.$PROCEED AB2981'ALONG NC 54 FOR 1.9 KM (1.2 MI) WEST FROM NC 55 TO SR 1106 (BARBEE AB2981'RD), THENCE 1.1 KM (0.7 MI) NORTH ALONG SR 1106, OR 0.2 KM (0.1 MI) AB2981'NORTH OF SR 2217 (WINDCREST RD), TO STATION AT POWER POLE.$MARK IS AB2981'RECESSED 2 INCHES BELOW GROUND AND IS 2 FEET LOWER THAN ROAD. LOCATED AB2981'8.1 M (26.6 FT) WEST OF THE CENTERLINE OF ROAD, 19.1 M (62.7 FT) AB2981'EAST-NORTHEAST OF NORTHEAST CORNER OF BRICK HOUSE, 26.5 M (86.9 FT) AB2981'EAST-SOUTHEAST OF SOUTHEAST CORNER OF BRICK HOUSE, 7.6 M (24.9 FT) AB2981'SOUTH OF SOUTH END OF DRIVEWAY CULVERT, AND 0.9 M (3.0 FT) EAST OF AB2981'POWER POLE WITH REFERENCE TAG. AB2981 AB2981 STATION RECOVERY (2002) AB2981 AB2981'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (JE) AB2981'FOUND A HOLE WITH A BRICK IN IT - EXACTLY WHERE THIS SURVEY MARK AB2981'SHOULD BE, OR WAS. APPARENTLY MARKER NO LONGER EXISTS AT THIS AB2981'LOCATION - JUST A HOLE WHERE IT USED TO BE. 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 EZ5464 *********************************************************************** EZ5464 DESIGNATION - ALPHA EZ5464 PID - EZ5464 EZ5464 STATE/COUNTY- NC/DURHAM EZ5464 USGS QUAD - SOUTHWEST DURHAM (1993) EZ5464 EZ5464 *CURRENT SURVEY CONTROL EZ5464 ___________________________________________________________________ EZ5464* NAD 83(1986)- 35 53 48.61041(N) 078 53 49.84051(W) ADJUSTED EZ5464* NAVD 88 - 79.4 (meters) 260. (feet) VERTCON EZ5464 ___________________________________________________________________ EZ5464 LAPLACE CORR- -6.12 (seconds) DEFLEC99 EZ5464 GEOID HEIGHT- -31.59 (meters) GEOID99 EZ5464 EZ5464 HORZ ORDER - SECOND EZ5464 EZ5464.The North Carolina/South Carolina HARNS have been completed but, EZ5464.due to contractual restrictions, coordinates for these stations EZ5464.will NOT be published in the near future. In the interim, the EZ5464.published coordinates in North and South Carolina will not be EZ5464.consistent with the Continuously Operating Reference Stations EZ5464.(CORS). The HARN coordinates for these stations are available EZ5464.upon request. Contact Gary Thompson(919-733-3836), or Lewis EZ5464.Lapine(803-896-7700). EZ5464. EZ5464.In addition, the published North and South Carolina positions EZ5464.(NAD 83 (1986)) are NOT consistent with those determined in EZ5464.adjacent state readjustments. The discontinuity between stations EZ5464.located in North or South Carolina and those in adjacent states EZ5464.which have been adjusted to the HARN may be as much as 5 EZ5464.decimeters. This will result in a significant loss of accuracy EZ5464.over lines crossing such state borders. EZ5464 EZ5464 EZ5464.The horizontal coordinates were established by classical geodetic methods EZ5464.and adjusted by the National Geodetic Survey in July 1986. EZ5464 EZ5464.The NAVD 88 height was computed by applying the VERTCON shift value to EZ5464.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) EZ5464 EZ5464.The Laplace correction was computed from DEFLEC99 derived deflections. EZ5464 EZ5464.The geoid height was determined by GEOID99. EZ5464 EZ5464; North East Units Scale Converg. EZ5464;SPC NC - 238,159.282 618,883.500 MT 0.99993585 +0 03 33.6 EZ5464;UTM 17 - 3,974,548.670 689,782.315 MT 1.00004383 +1 13 59.9 EZ5464 EZ5464: Primary Azimuth Mark Grid Az EZ5464:SPC NC - LOWES 012 21 58.5 EZ5464:UTM 17 - LOWES 011 11 32.2 EZ5464 EZ5464|---------------------------------------------------------------------| EZ5464| PID Reference Object Distance Geod. Az | EZ5464| dddmmss.s | EZ5464| EZ5492 LOWES APPROX. 0.7 KM 0122532.1 | EZ5464| EZ5469 BRAVO APPROX. 0.5 KM 1755959.4 | EZ5464|---------------------------------------------------------------------| EZ5464 EZ5464 SUPERSEDED SURVEY CONTROL EZ5464 EZ5464 NAD 27 - 35 53 48.08781(N) 078 53 50.81663(W) AD( ) 2 EZ5464 NGVD 29 - 79.7 (m) 261. (f) VERT ANG EZ5464 EZ5464.Superseded values are not recommended for survey control. EZ5464.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EZ5464.See file dsdata.txt to determine how the superseded data were derived. EZ5464 EZ5464_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPV8978274549(NAD 83) EZ5464_MARKER: DE = TRAVERSE STATION DISK EZ5464_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT EZ5464_STAMPING: ALPHA 1961 EZ5464_MARK LOGO: NCGS EZ5464_MAGNETIC: N = NO MAGNETIC MATERIAL EZ5464_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO EZ5464+STABILITY: SURFACE MOTION EZ5464 EZ5464 HISTORY - Date Condition Report By EZ5464 HISTORY - 1961 MONUMENTED NCGS EZ5464 HISTORY - 19880101 GOOD NCGS EZ5464 HISTORY - 20021127 MARK NOT FOUND INDIV EZ5464 EZ5464 STATION DESCRIPTION EZ5464 EZ5464'DESCRIBED BY NORTH CAROLINA GEODETIC SURVEY 1961 (WCF) EZ5464'ALPHA IS A N. C. GEODETIC SURVEY TRAVERSE STATION ESTABLISHED EZ5464'IN THE VICINITY OF DURHAM, NORTH CAROLINA. EZ5464' EZ5464'ALPHA IS LOCATED APPROXIMATELY 6.8 MILES SOUTH OF DURHAM, N.C. EZ5464'AND 6.5 MILES WNW OF RALEIGH-DURHAM AIRPORT. TO REACH STATION EZ5464'PROCEED FROM THE INTERSECTION OF NC 55 AND NC 54 SOUTH ON NC 55 EZ5464'FOR 0.4 MILES TO STATION. THE STATION IS LOCATED ON THE WEST EZ5464'BANK OF NC 55 AT SOUTHEAST CORNER OF WOODS AND NORTHEAST EDGE OF EZ5464'FIELD. EZ5464' EZ5464'STATION MARK IS A PRECAST MONUMENT WITH A N.C. BRASS TRAVERSE EZ5464'DISK, STAMPED ALPHA 1961, WHICH IS 1 INCH ABOVE THE SURFACE OF EZ5464'THE GROUND. EZ5464' EZ5464'MARK IS EZ5464' EZ5464'42.7 FT NW OF C/L OF NC 55 EZ5464' EZ5464'20.8 FT S OF 10 INCH OAK TREE WITH ALUMINUM REF. TAG AT EDGE OF EZ5464'WOODS EZ5464' EZ5464'20.7 FT NE OF 14 INCH OAK TREE WITH ALUMINUM REF. TAG, THE SE EZ5464'TREE OF WOODS EZ5464 EZ5464 STATION RECOVERY (1988) EZ5464 EZ5464'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1988 (EWB) EZ5464'RECOVERED AS DESCRIBED. MARK IS FLUSH WITH GROUND.$LOCATED 46.4 M EZ5464'(152.2 FT) SOUTHWEST OF SOUTH END OF A DRIVEWAY CULVERT EAST--AND 6.3 EZ5464'M (20.7 FT) SOUTH-SOUTHEAST OF A 24-INCH OAK, 6.3 M (20.7 FT) EAST OF EZ5464'ANOTHER 24-INCH OAK--BOTH WITH REFERENCE TAGS. EZ5464 EZ5464 STATION RECOVERY (2002) EZ5464 EZ5464'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (JE) EZ5464'I WAS UNABLE TO LOCATE THIS MARK, IF IT EXISTS AT THIS LOCATION. EZ5464'WOODS AND TREES DESCRIBED IN ORIGINAL REPORT(S) ARE GONE DUE TO EZ5464'DEVELOPMENT ALONG HWY 55. COORDINATES LED ME TO A ROUND BALL-SHAPED EZ5464'PIECE OF WELL-ANCHORED METAL, WHICH HAS NO MARKINGS.