AG9916 ***********************************************************************
AG9916  CBN         -  This is a Cooperative Base Network Control Station.
AG9916  DESIGNATION -  12 W 3
AG9916  PID         -  AG9916
AG9916  STATE/COUNTY-  NJ/MIDDLESEX
AG9916  USGS QUAD   -  PLAINFIELD (1995)
AG9916
AG9916                         *CURRENT SURVEY CONTROL
AG9916  ___________________________________________________________________
AG9916* NAD 83(1996)-  40 33 26.21328(N)    074 26 46.04552(W)     ADJUSTED
AG9916* NAVD 88     -        25.191  (meters)      82.65   (feet)  ADJUSTED
AG9916  ___________________________________________________________________
AG9916  X           -   1,301,223.080 (meters)                     COMP
AG9916  Y           -  -4,674,983.918 (meters)                     COMP
AG9916  Z           -   4,125,189.575 (meters)                     COMP
AG9916  LAPLACE CORR-           5.23  (seconds)                    DEFLEC99
AG9916  ELLIP HEIGHT-          -7.76  (meters)                     GPS OBS
AG9916  GEOID HEIGHT-         -32.96  (meters)                     GEOID99
AG9916  DYNAMIC HT  -          25.180 (meters)      82.61  (feet)  COMP
AG9916  MODELED GRAV-     980,192.6   (mgal)                       NAVD 88
AG9916
AG9916  HORZ ORDER  -  B
AG9916  VERT ORDER  -  FIRST     CLASS II
AG9916  ELLP ORDER  -  THIRD     CLASS II
AG9916
AG9916.The horizontal coordinates were established by GPS observations
AG9916.and adjusted by the National Geodetic Survey in August 1998.
AG9916
AG9916.The orthometric height was determined by differential leveling
AG9916.and adjusted by the National Geodetic Survey in January 2001.
AG9916.No vertical observational check was made to the station.
AG9916
AG9916.The X, Y, and Z were computed from the position and the ellipsoidal ht.
AG9916
AG9916.The Laplace correction was computed from DEFLEC99 derived deflections.
AG9916
AG9916.The ellipsoidal height was determined by GPS observations
AG9916.and is referenced to NAD 83.
AG9916
AG9916.The geoid height was determined by GEOID99.
AG9916
AG9916.The dynamic height is computed by dividing the NAVD 88
AG9916.geopotential number by the normal gravity value computed on the
AG9916.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
AG9916.degrees latitude (g = 980.6199 gals.).
AG9916
AG9916.The modeled gravity was interpolated from observed gravity values.
AG9916
AG9916;                    North         East     Units   Scale      Converg.
AG9916;SPC NJ       -   191,390.145   154,562.626   MT  0.99990026 +0 02 06.1
AG9916;UTM  18      - 4,489,760.371   546,892.243   MT  0.99962707 +0 21 36.5
AG9916
AG9916                          SUPERSEDED SURVEY CONTROL
AG9916
AG9916.No superseded survey control is available for this station.
AG9916
AG9916_MARKER: I = METAL ROD
AG9916_SETTING: 15 = METAL ROD DRIVEN INTO GROUND. SEE TEXT FOR ADDITIONAL
AG9916+WITH SETTING: INFORMATION.
AG9916_STAMPING: 12 W 3 1997
AG9916_MAGNETIC: I = MARKER IS A STEEL ROD
AG9916_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
AG9916
AG9916  HISTORY     - Date     Condition        Recov. By
AG9916  HISTORY     - 1997     MONUMENTED       NJGS
AG9916  HISTORY     - 19970707 GOOD             NJGS
AG9916  HISTORY     - 20001212 GOOD             TWT
AG9916
AG9916                          STATION DESCRIPTION
AG9916
AG9916''DESCRIBED BY NEW JERSEY GEODETIC SURVEY 1997 (RJK)
AG9916''THE STATION IS LOCATED IN PISCATAWAY TOWNSHIP ON STATE PROPERTY ABOUT
AG9916''2.5 MI (4.0 KM) SOUTHEAST FROM THE BOROUGH OF DUNELLEN, 4.0 MI (6.4
AG9916''KM) NORTHWEST FROM THE BOROUGH OF METUCHEN AND 2.5 MI (4.0 KM)
AG9916''SOUTHWEST FROM THE BOROUGH OF SOUTH PLAINFIELD ON THE NORTHWEST SIDE
AG9916''OF A LARGE TRIANGULAR SHAPED DRAINAGE DETENTION BASIN WITHIN A RAMP
AG9916''AREA AND ACCESS ROAD LEADING TO THE NORTHBOUND LANES OF INTERSTATE
AG9916''HIGHWAY 287 AND ABOUT 0.1 MI (0.2 KM) NORTH FROM THE BRIDGE CARRYING
AG9916''WASHINGTON AVENUE OVER INTERSTATE HIGHWAY 287.  TO REACH THE STATION
AG9916''FROM THE INTERSECTION OF STELTON ROAD, COUNTY ROAD 529 AND WASHINGTON
AG9916''AVENUE, GO SOUTH ON WASHINGTON AVENUE FOR 0.2 MI (0.3 KM) TO THE
AG9916''INTERSECTION WITH THE RAMP AND AN ACCESS ROAD AT A TRAFFIC LIGHT. TURN
AG9916''LEFT AND GO EAST ON THE ACCESS ROAD FOR ABOUT 87 FT (26.5 M) TO THE
AG9916''STATION ON THE RIGHT, SET FLUSH WITH THE GROUND ON THE NORTHWEST SIDE
AG9916''OF A LARGE TRIANGULAR SHAPED DRAINAGE RETENTION BASIN WITHIN A RAMP
AG9916''LEADING TO THE NORTHBOUND LANES OF INTERSTATE HIGHWAY 287 AND AN
AG9916''ACCESS ROAD LEADING EAST TO A LARGE CONCRETE AND GLASS OFFICE
AG9916''BUILDING, THE WASHINGTON PLAZA.  THE STATION IS A STANDARD NGS THREE
AG9916''DIMENSIONAL MARK.  THE LOGO FLANGE WITH ACCESS COVER IS STAMPED 12 W 3
AG9916''1997 AND IS SET FLUSH WITH THE GROUND.  THE STATION IS A NINE
AG9916''SIXTEENTHS INCH DIAMETER STAINLESS STEEL ROD WITH GREASE FILLED
AG9916''SLEEVE, DRIVEN TO REFUSAL AT A DEPTH OF 1.52 M (4.99 FT) AND IS
AG9916''RECESSED ABOUT 10 CM BELOW THE GROUND.  THE STATION IS 33.0 FT (10.1
AG9916''M) SOUTH SOUTHEAST FROM THE CENTERLINE OF A PAVED ACCESS ROAD LEADING
AG9916''EAST TO A LARGE CONCRETE AND GLASS OFFICE BUILDING, 59.75 FT (18.21 M)
AG9916''WEST FROM A CONCRETE FLARED END SECTION DRAINAGE PIPE ON THE WEST SIDE
AG9916''OF THE RAMP, 61.30 FT (18.68 M) EAST NORTHEAST FROM A CONCRETE FLARED
AG9916''END SECTION DRAINAGE PIPE ON THE EAST SIDE OF WASHINGTON AVENUE, 78.50
AG9916''FT (23.93 M) SOUTHEAST FROM POLE NUMBER 9771 PC ON THE NORTHWEST SIDE
AG9916''OF THE ACCESS ROAD, 81.50 FT (24.84 M) EAST FROM A TRAFFIC LIGHT POLE
AG9916''ON THE EAST SIDE OF WASHINGTON AVENUE, 87.0 FT (26.5 M) EAST FROM THE
AG9916''EAST CURB OF WASHINGTON AVENUE AND 12.50 FT (3.81 M) SOUTH SOUTHEAST
AG9916''FROM THE SOUTH CURB OF THE ACCESS ROAD.
AG9916
AG9916                          STATION RECOVERY (1997)
AG9916
AG9916''RECOVERY NOTE BY NEW JERSEY GEODETIC SURVEY 1997 (ECB)
AG9916''THE STATION IS LOCATED IN PISCATAWAY TOWNSHIP ON STATE PROPERTY ABOUT
AG9916''2.5 MI (4.0 KM) SOUTHEAST FROM THE BOROUGH OF DUNELLEN, 4.0 MI (6.4
AG9916''KM) NORTHWEST FROM THE BOROUGH OF METUCHEN AND 2.5 MI (4.0 KM)
AG9916''SOUTHWEST FROM THE BOROUGH OF SOUTH PLAINFIELD ON THE NORTHWEST SIDE
AG9916''OF A LARGE TRIANGULAR SHAPED DRAINAGE DETENTION BASIN WITHIN A RAMP
AG9916''AREA AND ACCESS ROAD LEADING TO THE NORTHBOUND LANES OF INTERSTATE
AG9916''HIGHWAY 287 AND ABOUT 0.1 MI (0.2 KM) NORTH FROM THE BRIDGE CARRYING
AG9916''WASHINGTON AVENUE OVER INTERSTATE HIGHWAY 287.  TO REACH THE STATION
AG9916''FROM THE INTERSECTION OF STELTON ROAD, COUNTY ROAD 529 AND WASHINGTON
AG9916''AVENUE, GO SOUTH ON WASHINGTON AVENUE FOR 0.2 MI (0.3 KM) TO THE
AG9916''INTERSECTION WITH THE RAMP AND AN ACCESS ROAD AT A TRAFFIC LIGHT. TURN
AG9916''LEFT AND GO EAST ON THE ACCESS ROAD FOR ABOUT 87 FT (26.5 M) TO THE
AG9916''STATION ON THE RIGHT, SET FLUSH WITH THE GROUND ON THE NORTHWEST SIDE
AG9916''OF A LARGE TRIANGULAR SHAPED DRAINAGE RETENTION BASIN WITHIN A RAMP
AG9916''LEADING TO THE NORTHBOUND LANES OF INTERSTATE HIGHWAY 287 AND AN
AG9916''ACCESS ROAD LEADING EAST TO A LARGE CONCRETE AND GLASS OFFICE
AG9916''BUILDING, THE WASHINGTON PLAZA.  THE STATION IS A STANDARD NGS THREE
AG9916''DIMENSIONAL MARK.  THE LOGO FLANGE WITH ACCESS COVER IS STAMPED 12 W 3
AG9916''1997 AND IS SET FLUSH WITH THE GROUND.  THE STATION IS A NINE
AG9916''SIXTEENTHS INCH DIAMETER STAINLESS STEEL ROD WITH GREASE FILLED
AG9916''SLEEVE, DRIVEN TO REFUSAL AT A DEPTH OF 1.52 M (4.99 FT) AND IS
AG9916''RECESSED ABOUT 10 CM BELOW THE GROUND.  THE STATION IS 33.0 FT (10.1
AG9916''M) SOUTH SOUTHEAST FROM THE CENTERLINE OF A PAVED ACCESS ROAD LEADING
AG9916''EAST TO A LARGE CONCRETE AND GLASS OFFICE BUILDING, 59.75 FT (18.21 M)
AG9916''WEST FROM A CONCRETE FLARED END SECTION DRAINAGE PIPE ON THE WEST SIDE
AG9916''OF THE RAMP, 61.30 FT (18.68 M) EAST NORTHEAST FROM A CONCRETE FLARED
AG9916''END SECTION DRAINAGE PIPE ON THE EAST SIDE OF WASHINGTON AVENUE, 78.50
AG9916''FT (23.93 M) SOUTHEAST FROM POLE NUMBER 9771 PC ON THE NORTHWEST SIDE
AG9916''OF THE ACCESS ROAD, 81.50 FT (24.84 M) EAST FROM A TRAFFIC LIGHT POLE
AG9916''ON THE EAST SIDE OF WASHINGTON AVENUE, 87.0 FT (26.5 M) EAST FROM THE
AG9916''EAST CURB OF WASHINGTON AVENUE AND 12.50 FT (3.81 M) SOUTH SOUTHEAST
AG9916''FROM THE SOUTH CURB OF THE ACCESS ROAD.
AG9916
AG9916                          STATION RECOVERY (2000)
AG9916
AG9916''RECOVERY NOTE BY TWT CONS ENG 2000 (DRF)
AG9916''RECOVERED IN GOOD CONDITION.