1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 FX0187 *********************************************************************** FX0187 DESIGNATION - B 283 RESET 1947 FX0187 PID - FX0187 FX0187 STATE/COUNTY- VA/C OF NORFOLK FX0187 USGS QUAD - NORFOLK SOUTH (1986) FX0187 FX0187 *CURRENT SURVEY CONTROL FX0187 ___________________________________________________________________ FX0187* NAD 83(1986)- 36 50 31. (N) 076 21 32. (W) SCALED FX0187* NAVD 88 - 1.960 (meters) 6.43 (feet) ADJUSTED FX0187 ___________________________________________________________________ FX0187 GEOID HEIGHT- -36.92 (meters) GEOID99 FX0187 DYNAMIC HT - 1.959 (meters) 6.43 (feet) COMP FX0187 MODELED GRAV- 979,854.9 (mgal) NAVD 88 FX0187 FX0187 VERT ORDER - FIRST CLASS II FX0187 FX0187.The horizontal coordinates were scaled from a topographic map and have FX0187.an estimated accuracy of +/- 6 seconds. FX0187 FX0187.The orthometric height was determined by differential leveling FX0187.and adjusted by the National Geodetic Survey in June 1991. FX0187 FX0187.The geoid height was determined by GEOID99. FX0187 FX0187.The dynamic height is computed by dividing the NAVD 88 FX0187.geopotential number by the normal gravity value computed on the FX0187.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 FX0187.degrees latitude (g = 980.6199 gals.). FX0187 FX0187.The modeled gravity was interpolated from observed gravity values. FX0187 FX0187; North East Units Estimated Accuracy FX0187;SPC VA S - 1,058,610. 3,690,960. MT (+/- 180 meters Scaled) FX0187 FX0187 SUPERSEDED SURVEY CONTROL FX0187 FX0187 NGVD 29 - 2.20 (m) 7.2 (f) COMPUTED 1 2 FX0187 FX0187.Superseded values are not recommended for survey control. FX0187.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FX0187.See file dsdata.txt to determine how the superseded data were derived. FX0187 FX0187_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUF788782(NAD 83) FX0187_MARKER: DB = BENCH MARK DISK FX0187_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT FX0187_STAMPING: B 283 RESET 1947 FX0187_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO FX0187+STABILITY: SURFACE MOTION FX0187 FX0187 HISTORY - Date Condition Report By FX0187 HISTORY - 1947 MONUMENTED CGS FX0187 HISTORY - 1952 GOOD NGS FX0187 HISTORY - 1971 MARK NOT FOUND NGS FX0187 HISTORY - 20010331 MARK NOT FOUND NGS FX0187 FX0187 STATION DESCRIPTION FX0187 FX0187'DESCRIBED BY NATIONAL GEODETIC SURVEY 1952 FX0187'AT PORTSMOUTH. FX0187'AT PORTSMOUTH, AT THE WEST CITY LIMITS, ABOUT 1.2 MILES NORTHWEST FX0187'ALONG U.S. HIGHWAY 17 FROM THE JUNCTION OF U.S. HIGHWAY 58 FX0187'LEADING SOUTHWEST, AT THE JUNCTION OF RIVERSIDE DRIVE AND FX0187'WEST BRANCH BOULEVARD (HIGHWAY 17), ABOUT 150 FEET SOUTHEAST FX0187'AND ACROSS RIVERSIDE DRIVE FROM THE SOUTH END OF THE EAST FX0187'ABUTMENT OF BRIDGE OVER WEST BRANCH OF ELIZABETH RIVER, 81 1/2 FX0187'FEET SOUTH OF CENTER LINE OF HIGHWAY, 36 1/2 FEET WEST-SOUTHWEST FX0187'OF COMMADORE DALE MONUMENT, 31 FEET EAST OF CENTER LINE OF FX0187'RIVERSIDE DRIVE, 79 FEET NORTHWEST OF NORTHWEST CORNER OF A FX0187'TWO-STORY FRAME HOUSE, 29 FEET SOUTH OF A FIRE HYDRANT, 18.8 FX0187'FEET NORTHEAST OF NORTH END OF EAST CONCRETE HEAD WALL OF A 20-INCH FX0187'PIPE CULVERT UNDER RIVERSIDE DRIVE, ABOUT 5 FEET BELOW THE FX0187'HIGHWAY AND SET IN THE TOP OF A CONCRETE POST ABOUT FLUSH WITH FX0187'GROUND. NOTE-- MARK MAY BE REACHED FROM THE HIGH SCHOOL AT FX0187'CHURCHLAND BY GOING ABOUT 2.6 MILES SOUTHEAST ALONG U.S. HIGHWAY FX0187'17. NOTE-- THE HYDRANT HAS BEEN REMOVED. FX0187 FX0187 STATION RECOVERY (1971) FX0187 FX0187'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 FX0187'MARK NOT FOUND. FX0187 FX0187 STATION RECOVERY (2001) FX0187 FX0187'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) FX0187'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 FX0184 *********************************************************************** FX0184 DESIGNATION - G 308 FX0184 PID - FX0184 FX0184 STATE/COUNTY- VA/C OF NORFOLK FX0184 USGS QUAD - NORFOLK SOUTH (1986) FX0184 FX0184 *CURRENT SURVEY CONTROL FX0184 ___________________________________________________________________ FX0184* NAD 83(1986)- 36 50 04. (N) 076 20 28. (W) SCALED FX0184* NAVD 88 - 3.627 (meters) 11.90 (feet) ADJUSTED FX0184 ___________________________________________________________________ FX0184 GEOID HEIGHT- -36.96 (meters) GEOID99 FX0184 DYNAMIC HT - 3.624 (meters) 11.89 (feet) COMP FX0184 MODELED GRAV- 979,855.3 (mgal) NAVD 88 FX0184 FX0184 VERT ORDER - FIRST CLASS II FX0184 FX0184.The horizontal coordinates were scaled from a topographic map and have FX0184.an estimated accuracy of +/- 6 seconds. FX0184 FX0184.The orthometric height was determined by differential leveling FX0184.and adjusted by the National Geodetic Survey in June 1991. FX0184 FX0184.The geoid height was determined by GEOID99. FX0184 FX0184.The dynamic height is computed by dividing the NAVD 88 FX0184.geopotential number by the normal gravity value computed on the FX0184.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 FX0184.degrees latitude (g = 980.6199 gals.). FX0184 FX0184.The modeled gravity was interpolated from observed gravity values. FX0184 FX0184; North East Units Estimated Accuracy FX0184;SPC VA S - 1,057,810. 3,692,560. MT (+/- 180 meters Scaled) FX0184 FX0184 SUPERSEDED SURVEY CONTROL FX0184 FX0184 NGVD 29 - 3.87 (m) 12.7 (f) COMPUTED 1 2 FX0184 FX0184.Superseded values are not recommended for survey control. FX0184.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FX0184.See file dsdata.txt to determine how the superseded data were derived. FX0184 FX0184_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUF804773(NAD 83) FX0184_MARKER: DB = BENCH MARK DISK FX0184_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT FX0184_STAMPING: G 308 1952 FX0184_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO FX0184+STABILITY: SURFACE MOTION FX0184 FX0184 HISTORY - Date Condition Report By FX0184 HISTORY - 1952 MONUMENTED CGS FX0184 HISTORY - 20010331 MARK NOT FOUND NGS FX0184 FX0184 STATION DESCRIPTION FX0184 FX0184'DESCRIBED BY COAST AND GEODETIC SURVEY 1952 FX0184'AT PORTSMOUTH. FX0184'AT PORTSMOUTH, IN THE WEST PART OF TOWN, ABOUT 0.1 MILE WEST FX0184'ALONG U.S. HIGHWAY 17 FROM THE JUNCTION OF U.S. HIGHWAY 58 FX0184'LEADING SOUTHWEST, 63 1/2 FEET SOUTH OF THE CENTER LINE OF FX0184'THE EAST BOUND TRAFFIC LANE OF HIGHWAY, 75 1/2 FEET WEST OF NORTHWEST FX0184'CORNER OF CITIZENS TRUST COMPANY BANK (WEST END BRANCH), 28 FX0184'FEET SOUTHWEST OF A 16-INCH OAK TREE, 13 FEET WEST OF WEST FX0184'EDGE OF PAVED APRON AROUND BANK, 1 1/2 FEET EAST OF A WHITE FX0184'WOODEN WITNESS POST, ABOUT LEVEL WITH HIGHWAY AND SET IN THE FX0184'TOP OF A CONCRETE POST PROJECTING 2 INCHES. FX0184 FX0184 STATION RECOVERY (2001) FX0184 FX0184'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) FX0184'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 DF4148 *********************************************************************** DF4148 DESIGNATION - K 310 RESET DF4148 PID - DF4148 DF4148 STATE/COUNTY- VA/C OF NORFOLK DF4148 USGS QUAD - LITTLE CREEK (1989) DF4148 DF4148 *CURRENT SURVEY CONTROL DF4148 ___________________________________________________________________ DF4148* NAD 83(1986)- 36 55 29. (N) 076 11 31. (W) SCALED DF4148* NAVD 88 - 4.91 (meters) 16.1 (feet) RESET DF4148 ___________________________________________________________________ DF4148 GEOID HEIGHT- -37.15 (meters) GEOID99 DF4148 DF4148 VERT ORDER - THIRD DF4148 DF4148.The horizontal coordinates were scaled from a topographic map and have DF4148.an estimated accuracy of +/- 6 seconds. DF4148 DF4148.The orthometric height was computed from unverified reset data. DF4148.No vertical observational check was made to the station. DF4148 DF4148.The geoid height was determined by GEOID99. DF4148 DF4148; North East Units Estimated Accuracy DF4148;SPC VA S - 1,068,140. 3,705,620. MT (+/- 180 meters Scaled) DF4148 DF4148 SUPERSEDED SURVEY CONTROL DF4148 DF4148.No superseded survey control is available for this station. DF4148 DF4148_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUF938871(NAD 83) DF4148_MARKER: DV = VERTICAL CONTROL DISK DF4148_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DF4148_STAMPING: K 310 RESET 2001 DF4148_MARK LOGO: NGS DF4148_MAGNETIC: N = NO MAGNETIC MATERIAL DF4148_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DF4148+STABILITY: SURFACE MOTION DF4148 DF4148 HISTORY - Date Condition Report By DF4148 HISTORY - 2001 MONUMENTED VADHT DF4148 DF4148 STATION DESCRIPTION DF4148 DF4148'DESCRIBED BY VA DEPT HWYS-TRANSP 2001 DF4148'IN NORFOLK, SET AT THE END OF BRIDGE IN WEST BRIDGE WALL. TO REACH THE DF4148'STATION FROM THE JUNCTION OF STATE HIGHWAY 168, (TIDEWATER DRIVE), AT DF4148'OCEAN VIEW (A SUB - DIVISION OF NORFOLK), GO 4.7 MILESS (7.6 KM) DF4148'SOUTHEAST ALONG U. S. HIGHWAY 60 (SHORE DRIVE), 0.55 MILES NORTH OF DF4148'GATE NUMBER 2, AT THE JUNCTION OF MIDWAY ROAD LEADING THRU THE NAVAL DF4148'AMPHIBIOUS BASE. 11.8 FEET (3.6 M) NORTH OF CONCRETE BRIDGE WALL, 27.6 DF4148'FEET (8.4 M) NORTHWEST DROP INLET, 44.2 FEET (13.5 M) SOUTH LAMP POST DF4148'NUMBER JF22, 12.6 FEET (3.8 M) WEST EDGE OF PAVEMENT.