1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 HS3769 *********************************************************************** HS3769 HT_MOD - This is a Height Modernization Survey Station. HS3769 DESIGNATION - 11.19 USBR HS3769 PID - HS3769 HS3769 STATE/COUNTY- CA/CONTRA COSTA HS3769 USGS QUAD - BRENTWOOD (1978) HS3769 HS3769 *CURRENT SURVEY CONTROL HS3769 ___________________________________________________________________ HS3769* NAD 83(1998)- 37 58 37.54130(N) 121 38 31.54008(W) ADJUSTED HS3769* NAVD 88 - 4.24 (meters) 13.9 (feet) GPS OBS HS3769 ___________________________________________________________________ HS3769 EPOCH DATE - 2002.86 HS3769 X - -2,640,879.693 (meters) COMP HS3769 Y - -4,285,630.481 (meters) COMP HS3769 Z - 3,903,422.921 (meters) COMP HS3769 LAPLACE CORR- 0.72 (seconds) DEFLEC99 HS3769 ELLIP HEIGHT- -28.12 (meters) (10/28/05) GPS OBS HS3769 GEOID HEIGHT- -32.37 (meters) GEOID03 HS3769 HS3769 HORZ ORDER - FIRST HS3769 VERT ORDER - SECOND CLASS 0 (See Below) HS3769 ELLP ORDER - FOURTH CLASS I HS3769 HS3769.The horizontal coordinates were established by GPS observations HS3769.and adjusted by the National Geodetic Survey in October 2005. HS3769.This is a SPECIAL STATUS position. See SPECIAL STATUS under the HS3769.DATUM ITEM on the data sheet items page. HS3769.The horizontal coordinates are valid at the epoch date displayed above. HS3769.The epoch date for horizontal control is a decimal equivalence HS3769.of Year/Month/Day. HS3769 HS3769.The orthometric height was determined by GPS observations and a HS3769.high-resolution geoid model using precise GPS observation and HS3769.processing techniques. HS3769.The vertical order pertains to the NGVD 29 superseded value. HS3769 HS3769.The X, Y, and Z were computed from the position and the ellipsoidal ht. HS3769 HS3769.The Laplace correction was computed from DEFLEC99 derived deflections. HS3769 HS3769.The ellipsoidal height was determined by GPS observations HS3769.and is referenced to NAD 83. HS3769 HS3769.The geoid height was determined by GEOID03. HS3769 HS3769; North East Units Scale Factor Converg. HS3769;SPC CA 3 - 664,542.775 1,899,664.658 MT 0.99993693 -0 41 57.2 HS3769;SPC CA 3 - 2,180,254.09 6,232,483.13 sFT 0.99993693 -0 41 57.2 HS3769;UTM 10 - 4,204,143.364 619,260.287 MT 0.99977518 +0 50 08.5 HS3769 HS3769! - Elev Factor x Scale Factor = Combined Factor HS3769!SPC CA 3 - 1.00000441 x 0.99993693 = 0.99994134 HS3769!UTM 10 - 1.00000441 x 0.99977518 = 0.99977959 HS3769 HS3769 SUPERSEDED SURVEY CONTROL HS3769 HS3769 NAD 83(1992)- 37 58 37.53958(N) 121 38 31.53731(W) AD(1997.30) 1 HS3769 ELLIP H (07/10/98) -28.13 (m) GP(1997.30) 4 1 HS3769 NAD 83(1992)- 37 58 37.53916(N) 121 38 31.53764(W) AD(1997.30) 1 HS3769 ELLIP H (05/14/98) -28.04 (m) GP(1997.30) 3 1 HS3769 NGVD 29 (??/??/92) 3.421 (m) 11.22 (f) ADJ UNCH 2 0 HS3769 HS3769.Superseded values are not recommended for survey control. HS3769.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HS3769.See file dsdata.txt to determine how the superseded data were derived. HS3769 HS3769_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH1926004143(NAD 83) HS3769_MARKER: DD = SURVEY DISK HS3769_SETTING: 36 = SET IN A MASSIVE STRUCTURE HS3769_SP_SET: CANAL HEADWALL HS3769_STAMPING: 11.19 HS3769_MARK LOGO: BOR HS3769_MAGNETIC: N = NO MAGNETIC MATERIAL HS3769_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HS3769_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HS3769+SATELLITE: SATELLITE OBSERVATIONS - September 05, 2002 HS3769 HS3769 HISTORY - Date Condition Report By HS3769 HISTORY - UNK MONUMENTED BOR HS3769 HISTORY - 1963 GOOD NGS HS3769 HISTORY - 1966 GOOD NGS HS3769 HISTORY - 19971028 GOOD BOR HS3769 HISTORY - 20020905 GOOD CADWR HS3769 HS3769 STATION DESCRIPTION HS3769 HS3769'DESCRIBED BY NATIONAL GEODETIC SURVEY 1963 HS3769'2 MI E FROM KNIGHTSEN. HS3769'0.3 MILE NORTHWEST ALONG THE ATCHINSON, TOPEKA AND SANTA FE HS3769'RAILROAD FROM THE STATION AT KNIGHTSEN, THENCE 0.2 MILE NORTH ALONG HS3769'KNIGHTSEN AVENUE, THENCE 1.5 MILES EAST ALONG TULE LANE, THENCE HS3769'ABOUT 140 YARDS NORTHWEST ALONG THE CONTRA COSTA CANAL, AT THE HS3769'CONTRA COSTA CANAL FISH SCREEN, IN THE TOP OF THE SOUTHEAST END HS3769'OF THE NORTHEAST CONCRETE ABUTMENT FOR THE HEADGATE STRUCTURE, HS3769'68-1/2 FEET SOUTHWEST OF THE DIRT ROAD ON THE NORTHEAST LEVEE, HS3769'3.6 FEET SOUTHEAST OF THE SOUTHEAST END OF A GATE ACROSS THE HS3769'NORTHEAST END OF THE SOUTHEAST WALKWAY, 1.1 FEET NORTH OF AN HS3769'IRON GUARD RAIL POST, AND ABOUT LEVEL WITH THE LEVEE ROAD. HS3769 HS3769 STATION RECOVERY (1966) HS3769 HS3769'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 HS3769'RECOVERED IN GOOD CONDITION. HS3769 HS3769 STATION RECOVERY (1997) HS3769 HS3769'RECOVERY NOTE BY US BUREAU OF RECLAMATION 1997 (DWS) HS3769'THE STATION WAS RECOVERED AND A COMPLETE NEW DESCRIPTION FOLLOWS. THE HS3769'STATION IS ABOUT 4.2 MI (6.8 KM) NORTHEAST OF BRENTWOOD, ABOUT 4.15 MI HS3769'(6.68 KM) EAST-SOUTHEAST OF OAKLEY, AND ABOUT 2.7 MI (4.3 KM) SOUTH OF HS3769'BETHEL ISLAND, AT THE START OF THE CONTRA COSTA CANAL OFF OF ROCK HS3769'SLOUGH. TO REACH THE STATION FROM THE INTERSECTION OF STATE HIGHWAY 4 HS3769'AND CYPRESS ROAD IN THE CITY OF OAKLEY, EAST OF ANTIOCH, GO EAST ON HS3769'CYPRESS ROAD FOR 2.12 MI (3.41 KM) PAST THE INTERSECTION OF JERSEY HS3769'ISLAND ROAD ON THE LEFT TO THE CONTRA COSTA CANAL. TURN RIGHT AND GO HS3769'SOUTHEAST, THROUGH TWO LOCKED GATES, ALONG THE NORTHEAST SIDE OF THE HS3769'CANAL FOR ABOUT 1.33 MI (2.14 KM) TO THE CONTRA COSTA CANAL TRASH HS3769'RACK/INTAKE STRUCTURE AND THE STATION ON THE RIGHT. THE STATION IS A HS3769'BUREAU OF RECLAMATION SURVEY DISK CEMENTED FLUSH ON THE CONCRETE HS3769'CURBING ON THE SOUTHEAST END OF THE NORTHEAST ABUTMENT OF THE HS3769'STRUCTURE, ABOUT 68.5 FT (20.9 M) SOUTHWEST OF THE DIRT ROAD ON THE HS3769'NORTHEAST LEVEE, 55.2 FT (16.8 M) SOUTHWEST OF THE SOUTHEAST CORNER OF HS3769'THE STRUCTURE, IN THE CORNER OF THE CURB, 1.64 FT (0.50 M) NORTHWEST HS3769'OF THE UPSTREAM FACE OF THE CURB, 1.45 FT (0.44 M) NORTHEAST OF THE HS3769'SOUTHWEST FACE, ABOUT 1.35 FT (0.41 M) ABOVE THE GROUND, 1.0 FT (0.3 HS3769'M) NORTH OF THE CORNER POST OF THE RAILING, AND ABOUT A FOOT FROM A HS3769'CARSONITE WITNESS POST. THE STATION WAS OCCUPIED AS PART OF THE SAN HS3769'JOAQUIN-SACRAMENTO RIVER DELTA GPS/VERTICAL PROJECT. HS3769 HS3769 STATION RECOVERY (2002) HS3769 HS3769'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) HS3769'RECOVERED AS DESCRIBED WITH THE FOLLOWING ADDITIONAL NOTES. FROM THE HS3769'T-INTERSECTION OF CYPRESS RD AND JERSEY ISLAND ROAD, TURN RIGHT ON HS3769'THE EASTERN OF TWO ACCESS ROADS PARALLELING THE CONTRA COSTA CANAL. HS3769'IT IS NEAR THE DRIVEWAY WITH MAILBOX FOR 2015 CYPRESS RD. THE STATION HS3769'WAS OBSERVED AS PART OF THE DWR DELTA 2002 SUBSIDENCE NETWORK HEIGHT HS3769'MODERNIZATION SURVEY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 HS3746 *********************************************************************** HS3746 HT_MOD - This is a Height Modernization Survey Station. HS3746 DESIGNATION - 11.26 EBMUD HS3746 PID - HS3746 HS3746 STATE/COUNTY- CA/CONTRA COSTA HS3746 USGS QUAD - WOODWARD ISLAND (1978) HS3746 HS3746 *CURRENT SURVEY CONTROL HS3746 ___________________________________________________________________ HS3746* NAD 83(1998)- 37 56 21.84004(N) 121 36 53.90628(W) ADJUSTED HS3746* NAVD 88 - 4.24 (meters) 13.9 (feet) GPS OBS HS3746 ___________________________________________________________________ HS3746 EPOCH DATE - 2002.86 HS3746 X - -2,640,199.889 (meters) COMP HS3746 Y - -4,289,071.624 (meters) COMP HS3746 Z - 3,900,124.078 (meters) COMP HS3746 LAPLACE CORR- 0.55 (seconds) DEFLEC99 HS3746 ELLIP HEIGHT- -28.08 (meters) (10/28/05) GPS OBS HS3746 GEOID HEIGHT- -32.34 (meters) GEOID03 HS3746 HS3746 HORZ ORDER - FIRST HS3746 VERT ORDER - SECOND CLASS 0 (See Below) HS3746 ELLP ORDER - FOURTH CLASS I HS3746 HS3746.The horizontal coordinates were established by GPS observations HS3746.and adjusted by the National Geodetic Survey in October 2005. HS3746.This is a SPECIAL STATUS position. See SPECIAL STATUS under the HS3746.DATUM ITEM on the data sheet items page. HS3746.The horizontal coordinates are valid at the epoch date displayed above. HS3746.The epoch date for horizontal control is a decimal equivalence HS3746.of Year/Month/Day. HS3746 HS3746.The orthometric height was determined by GPS observations and a HS3746.high-resolution geoid model using precise GPS observation and HS3746.processing techniques. HS3746.The vertical order pertains to the NGVD 29 superseded value. HS3746 HS3746.The X, Y, and Z were computed from the position and the ellipsoidal ht. HS3746 HS3746.The Laplace correction was computed from DEFLEC99 derived deflections. HS3746 HS3746.The ellipsoidal height was determined by GPS observations HS3746.and is referenced to NAD 83. HS3746 HS3746.The geoid height was determined by GEOID03. HS3746 HS3746; North East Units Scale Factor Converg. HS3746;SPC CA 3 - 660,330.650 1,901,997.292 MT 0.99993456 -0 40 57.4 HS3746;SPC CA 3 - 2,166,434.81 6,240,136.12 sFT 0.99993456 -0 40 57.4 HS3746;UTM 10 - 4,199,995.870 621,704.504 MT 0.99978243 +0 51 06.0 HS3746 HS3746! - Elev Factor x Scale Factor = Combined Factor HS3746!SPC CA 3 - 1.00000441 x 0.99993456 = 0.99993897 HS3746!UTM 10 - 1.00000441 x 0.99978243 = 0.99978684 HS3746 HS3746 SUPERSEDED SURVEY CONTROL HS3746 HS3746 NAD 83(1998)- 37 56 21.83948(N) 121 36 53.90457(W) AD(2000.86) B HS3746 ELLIP H (11/27/02) -28.07 (m) GP(2000.86) 4 1 HS3746 NAD 83(1992)- 37 56 21.83814(N) 121 36 53.90361(W) AD(1997.30) 1 HS3746 ELLIP H (07/10/98) -28.11 (m) GP(1997.30) 4 1 HS3746 NAD 83(1992)- 37 56 21.83774(N) 121 36 53.90393(W) AD(1997.30) 1 HS3746 ELLIP H (05/14/98) -28.02 (m) GP(1997.30) 3 1 HS3746 NGVD 29 (??/??/92) 3.420 (m) 11.22 (f) ADJ UNCH 2 0 HS3746 HS3746.Superseded values are not recommended for survey control. HS3746.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HS3746.See file dsdata.txt to determine how the superseded data were derived. HS3746 HS3746_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFG2170599996(NAD 83) HS3746_MARKER: DD = SURVEY DISK HS3746_SETTING: 30 = SET IN A LIGHT STRUCTURE HS3746_SP_SET: AQUEDUCT SUPPORT HS3746_STAMPING: STA P 2689 00.63 F ELEV 11.26 HS3746_MARK LOGO: EBMUD HS3746_MAGNETIC: N = NO MAGNETIC MATERIAL HS3746_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HS3746+STABILITY: SURFACE MOTION HS3746_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HS3746+SATELLITE: SATELLITE OBSERVATIONS - August 17, 2004 HS3746 HS3746 HISTORY - Date Condition Report By HS3746 HISTORY - 1930 MONUMENTED EBMUD HS3746 HISTORY - 1951 GOOD NGS HS3746 HISTORY - 1966 GOOD NGS HS3746 HISTORY - 19970814 GOOD BOR HS3746 HISTORY - 20010114 GOOD FRAME HS3746 HISTORY - 20020905 GOOD CADWR HS3746 HISTORY - 20040817 GOOD BESTOR HS3746 HS3746 STATION DESCRIPTION HS3746 HS3746'DESCRIBED BY NATIONAL GEODETIC SURVEY 1951 HS3746'2.9 MI W FROM ORWOOD. HS3746'2.9 MILES WEST ALONG THE ATCHISON, TOPEKA, AND SANTA FE RAILROAD HS3746'FROM THE WEST END OF THE DRAWBRIDGE OVER THE OLD RIVER AT ORWOOD, HS3746'3.5 MILES SOUTHEAST OF KNIGHTSEN, ABOUT 85 YARDS SOUTH OF THE HS3746'TRACK, AT THE POINT WHERE THE NORTH PIPE OF EAST BAY MUNICIPAL HS3746'UTILITY DISTRICT 60-INCH TWIN PIPES GOES UNDERGROUND, IN THE HS3746'TOP OF THE CENTER OF THE CONCRETE COLLAR, 49 1/2 FEET NORTH OF HS3746'THE CENTER OF A T JUNCTION OF ORWOOD ROAD AND A TRACK ROAD LEADING HS3746'SOUTH, 61.2 FEET NORTHWEST OF A TELEPHONE POLE, ABOUT 3 HS3746'FEET HIGHER THAN THE ROAD, AND SET ABOUT 3 FEET LOWER THAN HS3746'THE TRACK. HS3746 HS3746 STATION RECOVERY (1966) HS3746 HS3746'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 HS3746'RECOVERED IN GOOD CONDITION. HS3746 HS3746 STATION RECOVERY (1997) HS3746 HS3746'RECOVERY NOTE BY US BUREAU OF RECLAMATION 1997 (DWS) HS3746'THE STATION WAS RECOVERED AND A COMPLETE NEW DESCRIPTION FOLLOWS. THE HS3746'STATION IS ALONG THE MOKELUMNE AQUEDUCT PIPELINE OF THE EAST BAY HS3746'MUNICIPAL UTILITY DISTRICT, ABOUT 4.2 MI (6.8 KM) EAST OF BRENTWOOD HS3746'AND ABOUT 3.5 MI (5.6 KM) SOUTHEAST OF KNIGHTSEN. TO REACH THE HS3746'STATION FROM BRENTWOOD, GO EAST ON CHESTNUT STREET FOR ABOUT 2.8 MI HS3746'(4.5 KM) TO THE T-INTERSECTION OF THE BYRON HIGHWAY. TURN LEFT AND GO HS3746'NORTH FOR ABOUT 0.5 MI (0.8 KM) TO A SIDE ROAD RIGHT, ORWOOD ROAD. HS3746'TURN RIGHT AND GO EAST ON ORWOOD ROAD FOR 1.0 MI (1.6 KM) TO BIXLER HS3746'ROAD ON THE LEFT, A SOUTH JOG IN THE ROAD, AND BIXLER ROAD ON THE HS3746'RIGHT. CONTINUE EAST ON ORWOOD ROAD FOR 0.46 MI (0.74 KM) TO THE HS3746'STATION ON THE LEFT, WHERE TWO 54-INCH MOKELUMNE AQUEDUCT PIPES GO HS3746'UNDERGROUND ACROSS FROM A RESIDENCE AT 4401 ORWOOD ROAD. THE STATION HS3746'IS ABOUT 315 FT (96.0 M) WEST OF A LARGE PIPELINE GATEHOUSE, 255 FT HS3746'(77.7 M) SOUTH OF THE RAILROAD TRACKS, IN THE CENTER OF THE TOP OF THE HS3746'CONCRETE HEADWALL 1-FT THICK AND 21-FT LONG AROUND THE SOUTHERLY OF HS3746'TWO AQUEDUCT PIPES, 49 FT (14.9 M) NORTH OF THE CENTERLINE OF ORWOOD HS3746'ROAD, 17.8 FT (5.4 M) EAST-SOUTHEAST OF THE END OF A 4.7 FT (1.4 M) HS3746'HIGH WALL EXTENDING SOUTH 4.0 FT (1.2 M) FROM THE SOUTHEAST CORNER OF HS3746'A 9 BY 13-FT CONCRETE UNDERGROUND PIPELINE ACCESS STRUCTURE OVER THE HS3746'NORTH PIPE, 2 FT (0.6 M) HIGHER THAN THE LEVEL OF ORWOOD ROAD, AND 1.5 HS3746'FT (0.5 M) HIGHER THAN THE TOP OF THE PIPELINE. THE STATION WAS HS3746'OCCUPIED AS PART OF THE SAN JOAQUIN-SACRAMENTO RIVER DELTA HS3746'GPS/VERTICAL PROJECT. HS3746 HS3746 STATION RECOVERY (2001) HS3746 HS3746'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) HS3746'RECOVERED AS DESCRIBED. HS3746 HS3746 STATION RECOVERY (2002) HS3746 HS3746'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) HS3746'RECOVERED AS DESCRIBED WITH THIS NOTE. THE STATION PROJECTS 1 FT HS3746'ABOVE THE HIGHEST PART OF THE BACKFILLED DIRT AND WILL REQUIRE HS3746'CAREFUL SETUP WITH A FIXED HEIGHT POLE. THE STATION WAS OBSERVED AS HS3746'PART OF THE DWR DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION HS3746'SURVEY. HS3746 HS3746 STATION RECOVERY (2004) HS3746 HS3746'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (DT) HS3746'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AE9894 *********************************************************************** AE9894 HT_MOD - This is a Height Modernization Survey Station. AE9894 DESIGNATION - 92.202 EBMUD AE9894 PID - AE9894 AE9894 STATE/COUNTY- CA/CONTRA COSTA AE9894 USGS QUAD - BRENTWOOD (1978) AE9894 AE9894 *CURRENT SURVEY CONTROL AE9894 ___________________________________________________________________ AE9894* NAD 83(1998)- 37 57 14.80759(N) 121 43 12.92265(W) ADJUSTED AE9894* NAVD 88 - 29.00 (meters) 95.1 (feet) GPS OBS AE9894 ___________________________________________________________________ AE9894 EPOCH DATE - 2002.86 AE9894 X - -2,647,558.969 (meters) COMP AE9894 Y - -4,283,375.349 (meters) COMP AE9894 Z - 3,901,427.147 (meters) COMP AE9894 LAPLACE CORR- -2.56 (seconds) DEFLEC99 AE9894 ELLIP HEIGHT- -3.30 (meters) (10/28/05) GPS OBS AE9894 GEOID HEIGHT- -32.31 (meters) GEOID03 AE9894 AE9894 HORZ ORDER - FIRST AE9894 ELLP ORDER - FOURTH CLASS I AE9894 AE9894.The horizontal coordinates were established by GPS observations AE9894.and adjusted by the National Geodetic Survey in October 2005. AE9894.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AE9894.DATUM ITEM on the data sheet items page. AE9894.The horizontal coordinates are valid at the epoch date displayed above. AE9894.The epoch date for horizontal control is a decimal equivalence AE9894.of Year/Month/Day. AE9894 AE9894.The orthometric height was determined by GPS observations and a AE9894.high-resolution geoid model using precise GPS observation and AE9894.processing techniques. AE9894 AE9894.The X, Y, and Z were computed from the position and the ellipsoidal ht. AE9894 AE9894.The Laplace correction was computed from DEFLEC99 derived deflections. AE9894 AE9894.The ellipsoidal height was determined by GPS observations AE9894.and is referenced to NAD 83. AE9894 AE9894.The geoid height was determined by GEOID03. AE9894 AE9894; North East Units Scale Factor Converg. AE9894;SPC CA 3 - 662,078.962 1,892,765.101 MT 0.99993544 -0 44 49.5 AE9894;SPC CA 3 - 2,172,170.73 6,209,846.84 sFT 0.99993544 -0 44 49.5 AE9894;UTM 10 - 4,201,496.115 612,430.353 MT 0.99975569 +0 47 13.8 AE9894 AE9894! - Elev Factor x Scale Factor = Combined Factor AE9894!SPC CA 3 - 1.00000052 x 0.99993544 = 0.99993596 AE9894!UTM 10 - 1.00000052 x 0.99975569 = 0.99975621 AE9894 AE9894 SUPERSEDED SURVEY CONTROL AE9894 AE9894 NAD 83(1998)- 37 57 14.80719(N) 121 43 12.92135(W) AD(2000.86) B AE9894 ELLIP H (11/27/02) -3.28 (m) GP(2000.86) 4 1 AE9894 NAD 83(1992)- 37 57 14.80540(N) 121 43 12.92001(W) AD(1997.30) 1 AE9894 ELLIP H (07/10/98) -3.31 (m) GP(1997.30) 4 1 AE9894 NAD 83(1992)- 37 57 14.80497(N) 121 43 12.92030(W) AD(1997.30) 1 AE9894 ELLIP H (05/14/98) -3.21 (m) GP(1997.30) 3 1 AE9894 AE9894.Superseded values are not recommended for survey control. AE9894.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AE9894.See file dsdata.txt to determine how the superseded data were derived. AE9894 AE9894_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH1243001496(NAD 83) AE9894_MARKER: DD = SURVEY DISK AE9894_SETTING: 30 = SET IN A LIGHT STRUCTURE AE9894_SP_SET: AQUEDUCT MANHOLE AE9894_STAMPING: P 3007+60.30 ELEV 92.202 AE9894_MARK LOGO: EBMUD AE9894_MAGNETIC: N = NO MAGNETIC MATERIAL AE9894_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AE9894+STABILITY: SURFACE MOTION AE9894_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AE9894+SATELLITE: SATELLITE OBSERVATIONS - August 17, 2004 AE9894 AE9894 HISTORY - Date Condition Report By AE9894 HISTORY - 1930 MONUMENTED EBMUD AE9894 HISTORY - 20010114 GOOD FRAME AE9894 HISTORY - 20020905 GOOD CADWR AE9894 HISTORY - 20040817 GOOD BESTOR AE9894 AE9894 STATION DESCRIPTION AE9894 AE9894'DESCRIBED BY EAST BAY MUNICIPAL UTILITIES DISTRICT 1930 AE9894'THE STATION IS 3 MI (4.8 KM) SOUTH OF OAKLEY AND 2 MI (3.2 KM) AE9894'NORTHWEST OF BRENTWOOD ALONG THE MOKELUMNE AQUEDUCT PIPELINE. TO AE9894'REACH THE STATION FROM THE INTERSECTION OF BRENTWOOD BOULEVARD (STATE AE9894'HIGHWAY 4) AND BALFOUR ROAD, JUST SOUTH OF BRENTWOOD, GO WEST ON AE9894'BALFOUR ROAD FOR 1.8 MI (2.9 KM) TO THE INTERSECTION OF FAIRVIEW AE9894'AVENUE, A SIDE ROAD RIGHT. TURN RIGHT AND GO NORTH ON FAIRVIEW AVENUE AE9894'FOR 2.0 MI (3.2 KM) TO THE INTERSECTION OF MINNESOTA AVENUE, A SIDE AE9894'ROAD RIGHT. TURN RIGHT AND GO EAST FOR 0.12 MI (0.19 KM) TO AN AE9894'UNNAMED PAVED SIDE ROAD ON THE LEFT (NORTH) , TURN LEFT ONTO THE PAVED AE9894'SIDE ROAD AND THE STATION ON THE RIGHT. THE STATION IS AN EAST BAY AE9894'MUNICIPAL UTILITY DISTRICT (EBMUD) SURVEY DISK IN THE MOKELUMNE AE9894'AQUEDUCT RIGHT-OF-WAY, SET IN THE TOP OF A 5-FT X 5-FT SQUARE CONCRETE AE9894'MANHOLE STRUCTURE (THE MIDDLE OF THREE PROJECTING STRUCTURES) , AE9894'LABELED STA 3008. THE STATION IS 55 FT (16.8 M) NORTH OF THE AE9894'CENTERLINE OF MINNESOTA AVENUE, 39 FT (11.9 M) NORTH OF THE CENTER OF AE9894'A CEMENT-BAGGED CULVERT FOR A DITCH UNDER THE ACCESS ROAD, 14.5 FT AE9894'(4.4 M) EAST OF THE EDGE OF PAVEMENT OF THE ACCESS ROAD, CENTERED IN AE9894'THE WEST EDGE OF THE STRUCTURE AND 0.5 FT (0.2 M) EAST OF THE WEST AE9894'EDGE. THE STATION IS 2.5 FT (0.8 M) SOUTH OF A CARSONITE WITNESS AE9894'POST. THE STATION WAS OCCUPIED AS PART OF THE SAN JOAQUIN-SACRAMENTO AE9894'RIVER DELTA GPS/VERTICAL PROJECT. AE9894 AE9894 STATION RECOVERY (2001) AE9894 AE9894'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) AE9894'RECOVERED AS DESCRIBED. AE9894 AE9894 STATION RECOVERY (2002) AE9894 AE9894'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AE9894'RECOVERED AS DESCRIBED WITH THE FOLLOWING ADDITIONAL NOTES. FROM THE AE9894'INTERSECTION OF FAIRVIEW AVE AND MINNESOTA AVE, TURN RIGHT AND GO EAST AE9894'FOR 0.12 MI TO A PAVED ROAD OPPOSITE A NEW RESIDENCE AT 1995 GRANT ST AE9894'AND THE STATION ON THE RIGHT. THE CULVERT IS GONE AND THE DITCH HAS AE9894'BEEN FILLED IN AS PART OF A GRAVEL ACCESS RD. THE STATION WAS OBSERVED AE9894'AS PART OF THE DWR DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION AE9894'SURVEY. AE9894 AE9894 STATION RECOVERY (2004) AE9894 AE9894'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (DT) AE9894'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AH7472 *********************************************************************** AH7472 HT_MOD - This is a Height Modernization Survey Station. AH7472 FBN - This is a Federal Base Network Control Station. AH7472 TIDAL BM - This is a Tidal Bench Mark. AH7472 DESIGNATION - 941 5144 H TIDAL AH7472 PID - AH7472 AH7472 STATE/COUNTY- CA/CONTRA COSTA AH7472 USGS QUAD - VINE HILL (1980) AH7472 AH7472 *CURRENT SURVEY CONTROL AH7472 ___________________________________________________________________ AH7472* NAD 83(1998)- 38 03 18.94229(N) 122 02 18.37949(W) ADJUSTED AH7472* NAVD 88 - 3.40 (meters) 11.2 (feet) GPS OBS AH7472 ___________________________________________________________________ AH7472 EPOCH DATE - 2002.86 AH7472 X - -2,667,627.213 (meters) COMP AH7472 Y - -4,262,729.651 (meters) COMP AH7472 Z - 3,910,257.988 (meters) COMP AH7472 LAPLACE CORR- -0.96 (seconds) DEFLEC99 AH7472 ELLIP HEIGHT- -28.76 (meters) (10/28/05) GPS OBS AH7472 GEOID HEIGHT- -32.16 (meters) GEOID03 AH7472 AH7472 HORZ ORDER - B AH7472 ELLP ORDER - FOURTH CLASS I AH7472 AH7472.ITRF positions are available for this station. AH7472.The horizontal coordinates were established by GPS observations AH7472.and adjusted by the National Geodetic Survey in October 2005. AH7472.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AH7472.DATUM ITEM on the data sheet items page. AH7472.The horizontal coordinates are valid at the epoch date displayed above. AH7472.The epoch date for horizontal control is a decimal equivalence AH7472.of Year/Month/Day. AH7472 AH7472.The orthometric height was determined by GPS observations and a AH7472.high-resolution geoid model using precise GPS observation and AH7472.processing techniques. AH7472 AH7472.This Tidal Bench Mark is designated as VM 994 AH7472.by the Center for Operational Oceanographic Products and Services. AH7472 AH7472.The X, Y, and Z were computed from the position and the ellipsoidal ht. AH7472 AH7472.The Laplace correction was computed from DEFLEC99 derived deflections. AH7472 AH7472.The ellipsoidal height was determined by GPS observations AH7472.and is referenced to NAD 83. AH7472 AH7472.The geoid height was determined by GEOID03. AH7472 AH7472; North East Units Scale Factor Converg. AH7472;SPC CA 3 - 673,716.021 1,864,990.347 MT 0.99994323 -0 56 30.8 AH7472;SPC CA 3 - 2,210,349.98 6,118,722.50 sFT 0.99994323 -0 56 30.8 AH7472;UTM 10 - 4,212,382.831 584,360.079 MT 0.99968765 +0 35 33.9 AH7472 AH7472! - Elev Factor x Scale Factor = Combined Factor AH7472!SPC CA 3 - 1.00000451 x 0.99994323 = 0.99994774 AH7472!UTM 10 - 1.00000451 x 0.99968765 = 0.99969216 AH7472 AH7472 SUPERSEDED SURVEY CONTROL AH7472 AH7472 NAD 83(1998)- 38 03 18.94034(N) 122 02 18.37780(W) AD(1998.50) A AH7472 ELLIP H (04/06/00) -28.77 (m) GP(1998.50) 3 1 AH7472 AH7472.Superseded values are not recommended for survey control. AH7472.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AH7472.See file dsdata.txt to determine how the superseded data were derived. AH7472 AH7472_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH8436012383(NAD 83) AH7472_MARKER: DB = BENCH MARK DISK AH7472_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) AH7472_STAMPING: 5144 H 1976 AH7472_MARK LOGO: NOS AH7472_PROJECTION: FLUSH AH7472_MAGNETIC: N = NO MAGNETIC MATERIAL AH7472_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AH7472_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AH7472+SATELLITE: SATELLITE OBSERVATIONS - November 05, 2002 AH7472_ROD/PIPE-DEPTH: 10.0 meters AH7472_SLEEVE-DEPTH : 0.1 meters AH7472 AH7472 HISTORY - Date Condition Report By AH7472 HISTORY - 1976 MONUMENTED NOS AH7472 HISTORY - 19970401 GOOD NGS AH7472 HISTORY - 19980429 GOOD NGS AH7472 HISTORY - 20021101 GOOD CADWR AH7472 HISTORY - 20021105 GOOD CADWR AH7472 AH7472 STATION DESCRIPTION AH7472 AH7472'DESCRIBED BY NATIONAL GEODETIC SURVEY 1997 AH7472'RECOVERED IN GOOD CONDITION. AH7472 AH7472 STATION RECOVERY (1998) AH7472 AH7472'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CSM) AH7472'THE STATION IS LOCATED NEAR THE SOUTH SIDE OF SUISUN BAY, ABOUT 8 KM AH7472'(4.95 MI) NORTHEAST OF MARTINEZ, 9.6 KM (5.95 MI) NORTH-NORTHEAST OF AH7472'CONCORD, 9.6 KM (5.95 MI) NORTHWEST OF WEST PITTSBURG, AT THE PORT AH7472'CHICAGO CONCORD NAVAL WEAPONS STATION, NEAR THE INSHORE END OF THE TUG AH7472'PIER, IN THE SOUTHEAST QUADRANT OF THE JUNCTION OF JOHNSON RD AND AH7472'WHITE ROADS, IN A GRASS STRIP BETWEEN BUILDING A-16 AND A RAILROAD AH7472'TRACK. OWNERSHIP--U.S. NAVY. TO REACH THE STATION FROM THE JUNCTION AH7472'OF STATE HIGHWAY 4 AND PORT CHICAGO HIGHWAY, ABOUT 1.6 KM (1.00 MI) AH7472'NORTHEAST OF THE JUNCTION OF INTERSTATE HIGHWAY 680, GO NORTH FOR 1.2 AH7472'KM (0.75 MI) ON PORT CHICAGO HIGHWAY TO A STOP SIGN. TURN RIGHT, AH7472'SOUTHEAST FOR 0.16 KM (0.10 MI) TO A BUILDING AND A PARKING LOT ON THE AH7472'RIGHT OF A GUARDHOUSE AND GATE. CHECK IN AND GET A PASS. FROM THE AH7472'STOP SIGN ON PORT CHICAGO HIGHWAY, GO NORTH-NORTHWEST FOR 0.08 KM AH7472'(0.05 MI), BEARING LEFT THROUGH A GUARDED GATE (CHECK IN) AND CONTINUE AH7472'NORTH FOR 3.2 KM (2.00 MI) ON THE ROAD AND ALONG THE RAILROAD TRACKS AH7472'UNTIL CROSSING A BRIDGE, BEAR LEFT AT A FORK ONTO JOHNSON ROAD. AH7472'CONTINUE NORTHERLY FOR 0.96 KM (0.60 MI) ON THE ROAD TO THE JUNCTION AH7472'OF WHITE RD AND THE STATION ON THE RIGHT, IN THE GRASS STRIP. THE AH7472'STATION IS A PUNCH MARK ON THE TOP CENTER OF A DISK CRIMPED TO THE TOP AH7472'OF AN UNSPECIFIED ROD WITHOUT SLEEVE ABOUT FLUSH WITH GROUND, ENCASED AH7472'IN A 4-INCH PVC PIPE WITH SCREW CAP PROJECTING 20 CM ABOVE GROUND. AH7472'LOCATED ABOUT 97 M (318.2 FT) SOUTHEAST OF THE INSHORE END OF THE TUG AH7472'PIER, 50.0 M (164.0 FT) EAST OF THE CENTER OF JOHNSON ROAD, 30.0 M AH7472'(98.4 FT) WEST OF THE WESTERLY CORNER OF BUILDING A-16, 30.0 M (98.4 AH7472'FT) SOUTH OF THE CENTER OF WHITE ROAD, 27.0 M (88.6 FT) NORTHEAST OF AH7472'THE NORTHEAST CORNER OF BUILDING A-14, 14.6 M (47.9 FT) NORTHEAST OF AH7472'THE NEAR RAIL AND 1.4 M (4.6 FT) EAST OF A 4-INCH WOOD POST WITH AH7472'WITNESS SIGN. NOTE--A LARGE PAIR OF CHANNEL-LOCKS OR PIPE WRENCH IS AH7472'NEEDED TO REMOVE SCREW CAP. AH7472 AH7472 STATION RECOVERY (2002) AH7472 AH7472'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AH7472'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR AH7472'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. AH7472 AH7472 STATION RECOVERY (2002) AH7472 AH7472'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AH7472'RECOVERED AS DESCRIBED WITH THE FOLLOWING ADDITIONAL NOTES. AH7472'PERMISSION MUST BE OBTAINED FROM MILITARY TO ACCESS SITE. FROM THE AH7472'FORK ONTO JOHNSON RD, CONTINUE NORTHERLY FOR 0.6 MI THE THE JUNCTION AH7472'WITH WHITE RD, JUST AFTER BUILDING A-14. TURN RIGHT ON WHITE RD, AH7472'CROSS THE RR TRACKS, AND TURN RIGHT ON A GRAVEL TRACK, PAST POLE 1227 AH7472'ABOUT 85 FT, TO THE STATION ON THE LEFT. BUILDING A-16 IS A AH7472'CORRUGATED STEEL BLDG, BUILDING A-14 IS A WHITE CLAPBOARD BLDG. AH7472'THERE IS AN UPWARD BULGE OF 1-2 MM IN THE DISK ABOUT 1/2-IN DIA THAT AH7472'IS CENTERED AT THE BOTTOM OF THE CIRCLE SURROUNDING THE CENTER PUNCH AH7472'HOLE. THE STATION WAS OBSERVED AS PART OF THE DWR DELTA 2002 AH7472'SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 JS1885 *********************************************************************** JS1885 HT_MOD - This is a Height Modernization Survey Station. JS1885 DESIGNATION - C 563 JS1885 PID - JS1885 JS1885 STATE/COUNTY- CA/CONTRA COSTA JS1885 USGS QUAD - ANTIOCH NORTH (1978) JS1885 JS1885 *CURRENT SURVEY CONTROL JS1885 ___________________________________________________________________ JS1885* NAD 83(1998)- 38 00 57.87555(N) 121 51 48.92354(W) ADJUSTED JS1885* NAVD 88 - 11.51 (meters) 37.8 (feet) GPS OBS JS1885 ___________________________________________________________________ JS1885 EPOCH DATE - 2002.86 JS1885 X - -2,656,024.360 (meters) COMP JS1885 Y - -4,273,132.015 (meters) COMP JS1885 Z - 3,906,837.225 (meters) COMP JS1885 LAPLACE CORR- -3.17 (seconds) DEFLEC99 JS1885 ELLIP HEIGHT- -20.70 (meters) (10/28/05) GPS OBS JS1885 GEOID HEIGHT- -32.22 (meters) GEOID03 JS1885 JS1885 HORZ ORDER - FIRST JS1885 VERT ORDER - FIRST CLASS II (See Below) JS1885 ELLP ORDER - FOURTH CLASS I JS1885 JS1885.The horizontal coordinates were established by GPS observations JS1885.and adjusted by the National Geodetic Survey in October 2005. JS1885.This is a SPECIAL STATUS position. See SPECIAL STATUS under the JS1885.DATUM ITEM on the data sheet items page. JS1885.The horizontal coordinates are valid at the epoch date displayed above. JS1885.The epoch date for horizontal control is a decimal equivalence JS1885.of Year/Month/Day. JS1885 JS1885.The orthometric height was determined by GPS observations and a JS1885.high-resolution geoid model using precise GPS observation and JS1885.processing techniques. JS1885.The vertical order pertains to the NGVD 29 superseded value. JS1885 JS1885.The X, Y, and Z were computed from the position and the ellipsoidal ht. JS1885 JS1885.The Laplace correction was computed from DEFLEC99 derived deflections. JS1885 JS1885.The ellipsoidal height was determined by GPS observations JS1885.and is referenced to NAD 83. JS1885 JS1885.The geoid height was determined by GEOID03. JS1885 JS1885; North East Units Scale Factor Converg. JS1885;SPC CA 3 - 669,129.380 1,880,270.136 MT 0.99993984 -0 50 05.4 JS1885;SPC CA 3 - 2,195,301.97 6,168,852.94 sFT 0.99993984 -0 50 05.4 JS1885;UTM 10 - 4,208,208.062 599,753.583 MT 0.99972255 +0 41 59.8 JS1885 JS1885! - Elev Factor x Scale Factor = Combined Factor JS1885!SPC CA 3 - 1.00000325 x 0.99993984 = 0.99994309 JS1885!UTM 10 - 1.00000325 x 0.99972255 = 0.99972580 JS1885 JS1885 SUPERSEDED SURVEY CONTROL JS1885 JS1885 NGVD 29 (??/??/92) 10.66 (m) 35.0 (f) COMPUTED 1 2 JS1885 JS1885.Superseded values are not recommended for survey control. JS1885.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS1885.See file dsdata.txt to determine how the superseded data were derived. JS1885 JS1885_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH9975408208(NAD 83) JS1885_MARKER: DB = BENCH MARK DISK JS1885_SETTING: 36 = SET IN A MASSIVE STRUCTURE JS1885_SP_SET: ABUTMENT JS1885_STAMPING: C 563 1957 JS1885_MAGNETIC: N = NO MAGNETIC MATERIAL JS1885_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JS1885_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JS1885+SATELLITE: SATELLITE OBSERVATIONS - November 01, 2002 JS1885 JS1885 HISTORY - Date Condition Report By JS1885 HISTORY - 1957 MONUMENTED CGS JS1885 HISTORY - 1964 GOOD NGS JS1885 HISTORY - 1987 GOOD USPSQD JS1885 HISTORY - 20021101 GOOD CADWR JS1885 JS1885 STATION DESCRIPTION JS1885 JS1885'DESCRIBED BY COAST AND GEODETIC SURVEY 1957 JS1885'1.3 MI E FROM PITTSBURG. JS1885'1.3 MILES EAST ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD JS1885'FROM THE STATION AT PITTSBURG, IN R1E T2N S16, 0.3 MILE EAST OF JS1885'MILEPOLE 50, 0.2 MILE WEST OF THE CROSSING OF LOVERIDGE ROAD, JS1885'AT WOODEN BRIDGE 50.27 OVER A SMALL CREEK, IN THE TOP OF THE JS1885'NORTH END OF THE EAST CONCRETE ABUTMENT, 71 1/2 FEET SOUTH OF JS1885'THE CENTER LINE OF THE ANTIOCH PITTSBURG HIGHWAY, 6.6 FEET NORTH JS1885'OF THE NORTH RAIL, AND ABOUT 1/2 FOOT LOWER THAN THE TRACK. JS1885 JS1885 STATION RECOVERY (1964) JS1885 JS1885'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1964 JS1885'RECOVERED IN GOOD CONDITION. JS1885 JS1885 STATION RECOVERY (1987) JS1885 JS1885'RECOVERY NOTE BY US POWER SQUADRON 1987 (EJD) JS1885'RECOVERED IN GOOD CONDITION. JS1885 JS1885 STATION RECOVERY (2002) JS1885 JS1885'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) JS1885'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR JS1885'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 DH6895 *********************************************************************** DH6895 HT_MOD - This is a Height Modernization Survey Station. DH6895 DESIGNATION - DUTCH DH6895 PID - DH6895 DH6895 STATE/COUNTY- CA/CONTRA COSTA DH6895 USGS QUAD - JERSEY ISLAND (1978) DH6895 DH6895 *CURRENT SURVEY CONTROL DH6895 ___________________________________________________________________ DH6895* NAD 83(1998)- 38 00 48.14804(N) 121 40 13.73972(W) ADJUSTED DH6895* NAVD 88 - 3.13 (meters) 10.3 (feet) GPS OBS DH6895 ___________________________________________________________________ DH6895 EPOCH DATE - 2002.86 DH6895 X - -2,641,700.811 (meters) COMP DH6895 Y - -4,282,210.921 (meters) COMP DH6895 Z - 3,906,595.665 (meters) COMP DH6895 LAPLACE CORR- 0.70 (seconds) DEFLEC99 DH6895 ELLIP HEIGHT- -29.25 (meters) (10/28/05) GPS OBS DH6895 GEOID HEIGHT- -32.39 (meters) GEOID03 DH6895 DH6895 HORZ ORDER - FIRST DH6895 ELLP ORDER - FOURTH CLASS I DH6895 DH6895.The horizontal coordinates were established by GPS observations DH6895.and adjusted by the National Geodetic Survey in October 2005. DH6895.This is a SPECIAL STATUS position. See SPECIAL STATUS under the DH6895.DATUM ITEM on the data sheet items page. DH6895.The horizontal coordinates are valid at the epoch date displayed above. DH6895.The epoch date for horizontal control is a decimal equivalence DH6895.of Year/Month/Day. DH6895 DH6895.The orthometric height was determined by GPS observations and a DH6895.high-resolution geoid model using precise GPS observation and DH6895.processing techniques. DH6895 DH6895.The X, Y, and Z were computed from the position and the ellipsoidal ht. DH6895 DH6895.The Laplace correction was computed from DEFLEC99 derived deflections. DH6895 DH6895.The ellipsoidal height was determined by GPS observations DH6895.and is referenced to NAD 83. DH6895 DH6895.The geoid height was determined by GEOID03. DH6895 DH6895; North East Units Scale Factor Converg. DH6895;SPC CA 3 - 668,599.936 1,897,221.134 MT 0.99993963 -0 42 59.8 DH6895;SPC CA 3 - 2,193,564.96 6,224,466.34 sFT 0.99993963 -0 42 59.8 DH6895;UTM 10 - 4,208,132.939 616,709.371 MT 0.99976776 +0 49 07.9 DH6895 DH6895! - Elev Factor x Scale Factor = Combined Factor DH6895!SPC CA 3 - 1.00000459 x 0.99993963 = 0.99994422 DH6895!UTM 10 - 1.00000459 x 0.99976776 = 0.99977235 DH6895 DH6895 SUPERSEDED SURVEY CONTROL DH6895 DH6895.No superseded survey control is available for this station. DH6895 DH6895_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH1670908133(NAD 83) DH6895_MARKER: DD = SURVEY DISK DH6895_SETTING: 60 = ALUMINUM ALLOY ROD IN SLEEVE (10 FT.+) DH6895_MARK LOGO: CADWR DH6895_PROJECTION: PROJECTING 5 CENTIMETERS DH6895_MAGNETIC: N = NO MAGNETIC MATERIAL DH6895_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DH6895_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DH6895+SATELLITE: SATELLITE OBSERVATIONS - April , 2003 DH6895_ROD/PIPE-DEPTH: 18.3 meters DH6895_SLEEVE-DEPTH : 0.6 meters DH6895 DH6895 HISTORY - Date Condition Report By DH6895 HISTORY - 200304 MONUMENTED USGS DH6895 DH6895 STATION DESCRIPTION DH6895 DH6895'DESCRIBED BY US GEOLOGICAL SURVEY 2003 (WLB) DH6895'STATION IS ON THE SOUTH SIDE OF JERSEY ISLAND IN THE SACRAMENTO-SAN DH6895'JOAQUIN DELTA, NORTH OF DUTCH SLOUGH, ABOUT 4.5 MI NORTHEAST OF DH6895'OAKLEY. TO REACH THE STATION FROM THE INTERSECTION OF STATE HIGHWAY 4 DH6895'AND CYPRESS ROAD, EAST OF OAKLEY, GO EAST ON CYPRESS ROAD FOR 2.1 MI DH6895'(3.4 KM) TO JERSEY ISLAND ROAD, A SIDE ROAD LEFT. TURN LEFT AND GO DH6895'NORTH ON JERSEY ISLAND ROAD FOR 1.45 MI (2.33 KM) TO JERSEY ISLAND, DH6895'CROSSING THE BRIDGE OVER DUTCH SLOUGH. DRIVE NORTH FOR 0.4 MI TO A DH6895'SIDE ROAD LEFT, TURN LEFT, PASS THROUGH A GATE AND MAKE A U-TURN. DH6895'FOLLOW THE DIRT ROAD FOR ABOUT 0.1 MI AND THEN DRIVE WEST ON A GRAVEL DH6895'ROAD FOR 0.1 MI TO A 4-WAY INTERSECTION. TURN LEFT WEST OF THE DITCH DH6895'AND DRIVE SOUTH ON A GRAVEL ROAD FOR 0.2 MI WHERE THE ROAD CURVES WEST DH6895'AND THERE ARE TWO GRAVEL ROADS. TAKE THE LEFT (EAST) OF THE TWO AND DH6895'DRIVE 0.3 MI GOING UP AND SOUTHWESTERLY ONTO THE LEVEE ROAD AND THEN DH6895'WEST ALONG DUTCH SLOUGH TO A 5-FT X 5-FT SQUARE METAL INSTRUMENT DH6895'(USGS GAGE HOUSE) SHELTER. THE MARK IS 112 FT EAST OF THE SMALL DH6895'BUILDING, ABOUT IN LINE (OR SLIGHTLY NORTH) WITH ITS SOUTH WALL AND DH6895'ABOUT 18 FT NORTH OF THE EDGE OF ROAD, THE NORTH BERM OF THE LEVEE, DH6895'ON THE LANDWARD SLOPE OF THE LEVEE. THERE ARE 3 METAL T-POSTS ABOUT 3 DH6895'FT AWAY SURROUNDING THE MARK. THE PVC CASING SLEEVE IS FILLED WITH DH6895'GRAVEL AND SET IN CONCRETE. THE STATION WAS OBSERVED AS PART OF THE DH6895'DWR DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AE9874 *********************************************************************** AE9874 HT_MOD - This is a Height Modernization Survey Station. AE9874 DESIGNATION - DWR 7 AE9874 PID - AE9874 AE9874 STATE/COUNTY- CA/CONTRA COSTA AE9874 USGS QUAD - CLIFTON COURT FOREBAY (1978) AE9874 AE9874 *CURRENT SURVEY CONTROL AE9874 ___________________________________________________________________ AE9874* NAD 83(1998)- 37 49 47.12362(N) 121 33 25.10300(W) ADJUSTED AE9874* NAVD 88 - 5.01 (meters) 16.4 (feet) GPS OBS AE9874 ___________________________________________________________________ AE9874 EPOCH DATE - 2002.86 AE9874 X - -2,639,768.057 (meters) COMP AE9874 Y - -4,298,110.683 (meters) COMP AE9874 Z - 3,890,519.645 (meters) COMP AE9874 LAPLACE CORR- -0.83 (seconds) DEFLEC99 AE9874 ELLIP HEIGHT- -27.22 (meters) (10/28/05) GPS OBS AE9874 GEOID HEIGHT- -32.24 (meters) GEOID03 AE9874 AE9874 HORZ ORDER - FIRST AE9874 ELLP ORDER - FOURTH CLASS I AE9874 AE9874.The horizontal coordinates were established by GPS observations AE9874.and adjusted by the National Geodetic Survey in October 2005. AE9874.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AE9874.DATUM ITEM on the data sheet items page. AE9874.The horizontal coordinates are valid at the epoch date displayed above. AE9874.The epoch date for horizontal control is a decimal equivalence AE9874.of Year/Month/Day. AE9874 AE9874.The orthometric height was determined by GPS observations and a AE9874.high-resolution geoid model using precise GPS observation and AE9874.processing techniques. AE9874 AE9874.The X, Y, and Z were computed from the position and the ellipsoidal ht. AE9874 AE9874.The Laplace correction was computed from DEFLEC99 derived deflections. AE9874 AE9874.The ellipsoidal height was determined by GPS observations AE9874.and is referenced to NAD 83. AE9874 AE9874.The geoid height was determined by GEOID03. AE9874 AE9874; North East Units Scale Factor Converg. AE9874;SPC CA 3 - 648,103.297 1,906,957.731 MT 0.99993012 -0 38 49.6 AE9874;SPC CA 3 - 2,126,318.90 6,256,410.49 sFT 0.99993012 -0 38 49.6 AE9874;UTM 10 - 4,187,907.336 626,989.594 MT 0.99979862 +0 53 06.5 AE9874 AE9874! - Elev Factor x Scale Factor = Combined Factor AE9874!SPC CA 3 - 1.00000427 x 0.99993012 = 0.99993439 AE9874!UTM 10 - 1.00000427 x 0.99979862 = 0.99980289 AE9874 AE9874 SUPERSEDED SURVEY CONTROL AE9874 AE9874 NAD 83(1992)- 37 49 47.12169(N) 121 33 25.10007(W) AD(1997.30) 1 AE9874 ELLIP H (07/10/98) -27.23 (m) GP(1997.30) 4 1 AE9874 NAD 83(1992)- 37 49 47.12134(N) 121 33 25.10041(W) AD(1997.30) 1 AE9874 ELLIP H (05/14/98) -27.14 (m) GP(1997.30) 3 1 AE9874 AE9874.Superseded values are not recommended for survey control. AE9874.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AE9874.See file dsdata.txt to determine how the superseded data were derived. AE9874 AE9874_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFG2699087907(NAD 83) AE9874_MARKER: DD = SURVEY DISK AE9874_SETTING: 40 = SET IN A LARGE STRUCTURE WITH DEEP FOUNDATIONS AE9874_SP_SET: AQUEDUCT INTAKE STRUCTURE AE9874_STAMPING: 7 AE9874_MARK LOGO: CADWR AE9874_MAGNETIC: N = NO MAGNETIC MATERIAL AE9874_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD AE9874+STABILITY: POSITION/ELEVATION WELL AE9874_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AE9874+SATELLITE: SATELLITE OBSERVATIONS - December 02, 2002 AE9874 AE9874 HISTORY - Date Condition Report By AE9874 HISTORY - 1967 MONUMENTED CADWR AE9874 HISTORY - 20021202 GOOD CADWR AE9874 AE9874 STATION DESCRIPTION AE9874 AE9874'DESCRIBED BY CA DEPT OF WATER RES 1967 (DF) AE9874'THE STATION IS ABOUT 16.5 MI (26.6 KM) SOUTHWEST OF STOCKTON, ABOUT AE9874'9.6 MI (15.4 KM) NORTHWEST OF TRACY, AND ABOUT 10.1 MI (16.3 KM) AE9874'SOUTHEAST OF BRENTWOOD, IN THE SOUTHWEST CORNER OF A MASSIVE RADIAL AE9874'GATE STRUCTURE IN THE SOUTHEAST CORNER OF THE CLIFTON COURT FOREBAY AE9874'FOR THE CALIFORNIA AQUEDUCT. TO REACH THE STATION FROM BRENTWOOD, AE9874'TRAVEL SOUTHEASTERLY ON STATE HIGHWAY 4 FOR ABOUT 4.9 MI (7.9 KM) TO AE9874'THE INTERSECTION OF BYRON ROAD (CR J4) . RATHER THAN FOLLOW STATE AE9874'HIGHWAY 4 TO THE EAST, CONTINUE SOUTH ON BYRON ROAD FOR ABOUT 5.6 MI AE9874'(9.0 KM) TO THE INTERSECTION OF THE CALIFORNIA AQUEDUCT. JUST SOUTH AE9874'OF THE AQUEDUCT, TURN LEFT AND GO NORTHEAST THROUGH A WIRE GATE, PAST AE9874'A FENCED COMPOUND ON THE LEFT CONTAINING OFFICE TRAILERS, TO A VERY AE9874'SHARP RIGHT-HAND TURN AT THE CLIFTON COURT FOREBAY, AND THEN SOUTH AND AE9874'EAST ALONG THE FOREBAY ACCESS ROAD TO A RADIAL GATE STRUCTURE, ABOUT AE9874'2.7 MI (4.3 KM) FROM THE WIRE GATE AT THE BYRON ROAD INTERSECTION. AE9874'THE STATION IS A 3.5 INCH DIAMETER CALIFORNIA DEPARTMENT OF WATER AE9874'RESOURCES SURVEY DISK STAMPED 7 , SET IN THE SOUTHWEST CORNER OF THE AE9874'GATE STRUCTURE AT THE INTERSECTION OF A FENCE ACROSS THE FRONT OF THE AE9874'STRUCTURE, THE SOUTH GUARDRAIL ON THE ACCESS APPROACH ROADWAY, AND A AE9874'FENCE ON THE SOUTHWEST RETAINING WALL THAT EXTENDS SOUTH AND WEST OF AE9874'THE STRUCTURE. THE STATION IS SET IN THE CORNER OF THE STRUCTURE AND AE9874'IS ABOUT 0.4 FT (0.1 M) ABOVE THE ROADWAY. THE STATION WAS OCCUPIED AE9874'AS PART OF THE SAN JOAQUIN-SACRAMENTO RIVER DELTA GPS/VERTICAL AE9874'PROJECT. (RWK) AE9874 AE9874 STATION RECOVERY (2002) AE9874 AE9874'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AE9874'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR AE9874'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AE9888 *********************************************************************** AE9888 HT_MOD - This is a Height Modernization Survey Station. AE9888 DESIGNATION - GARY AE9888 PID - AE9888 AE9888 STATE/COUNTY- CA/CONTRA COSTA AE9888 USGS QUAD - BRENTWOOD (1978) AE9888 AE9888 *CURRENT SURVEY CONTROL AE9888 ___________________________________________________________________ AE9888* NAD 83(1998)- 37 52 33.32038(N) 121 43 09.60199(W) ADJUSTED AE9888* NAVD 88 - 62.69 (meters) 205.7 (feet) GPS OBS AE9888 ___________________________________________________________________ AE9888 EPOCH DATE - 2002.86 AE9888 X - -2,650,307.956 (meters) COMP AE9888 Y - -4,287,977.173 (meters) COMP AE9888 Z - 3,894,601.044 (meters) COMP AE9888 LAPLACE CORR- -3.72 (seconds) DEFLEC99 AE9888 ELLIP HEIGHT- 30.56 (meters) (10/28/05) GPS OBS AE9888 GEOID HEIGHT- -32.14 (meters) GEOID03 AE9888 AE9888 HORZ ORDER - FIRST AE9888 ELLP ORDER - FOURTH CLASS I AE9888 AE9888.The horizontal coordinates were established by GPS observations AE9888.and adjusted by the National Geodetic Survey in October 2005. AE9888.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AE9888.DATUM ITEM on the data sheet items page. AE9888.The horizontal coordinates are valid at the epoch date displayed above. AE9888.The epoch date for horizontal control is a decimal equivalence AE9888.of Year/Month/Day. AE9888 AE9888.The orthometric height was determined by GPS observations and a AE9888.high-resolution geoid model using precise GPS observation and AE9888.processing techniques. AE9888 AE9888.The X, Y, and Z were computed from the position and the ellipsoidal ht. AE9888 AE9888.The Laplace correction was computed from DEFLEC99 derived deflections. AE9888 AE9888.The ellipsoidal height was determined by GPS observations AE9888.and is referenced to NAD 83. AE9888 AE9888.The geoid height was determined by GEOID03. AE9888 AE9888; North East Units Scale Factor Converg. AE9888;SPC CA 3 - 653,400.432 1,892,733.090 MT 0.99993154 -0 44 47.5 AE9888;SPC CA 3 - 2,143,697.92 6,209,741.81 sFT 0.99993154 -0 44 47.5 AE9888;UTM 10 - 4,192,821.377 612,630.576 MT 0.99975624 +0 47 10.9 AE9888 AE9888! - Elev Factor x Scale Factor = Combined Factor AE9888!SPC CA 3 - 0.99999520 x 0.99993154 = 0.99992674 AE9888!UTM 10 - 0.99999520 x 0.99975624 = 0.99975145 AE9888 AE9888 SUPERSEDED SURVEY CONTROL AE9888 AE9888 NAD 83(1998)- 37 52 33.32038(N) 121 43 09.60072(W) AD(2000.86) B AE9888 ELLIP H (11/27/02) 30.59 (m) GP(2000.86) 4 1 AE9888 NAD 83(1992)- 37 52 33.31852(N) 121 43 09.59924(W) AD(1997.30) 1 AE9888 ELLIP H (07/10/98) 30.56 (m) GP(1997.30) 4 1 AE9888 NAD 83(1992)- 37 52 33.31814(N) 121 43 09.59955(W) AD(1997.30) 1 AE9888 ELLIP H (05/14/98) 30.65 (m) GP(1997.30) 3 1 AE9888 AE9888.Superseded values are not recommended for survey control. AE9888.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AE9888.See file dsdata.txt to determine how the superseded data were derived. AE9888 AE9888_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFG1263192821(NAD 83) AE9888_MARKER: DD = SURVEY DISK AE9888_SETTING: 15 = METAL ROD DRIVEN INTO GROUND. SEE TEXT FOR ADDITIONAL AE9888+WITH SETTING: INFORMATION. AE9888_STAMPING: GARY 1997 AE9888_MARK LOGO: BOR AE9888_PROJECTION: FLUSH AE9888_MAGNETIC: N = NO MAGNETIC MATERIAL AE9888_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AE9888_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AE9888+SATELLITE: SATELLITE OBSERVATIONS - August 17, 2004 AE9888_ROD/PIPE-DEPTH: 2.70 meters AE9888 AE9888 HISTORY - Date Condition Report By AE9888 HISTORY - 1997 MONUMENTED BOR AE9888 HISTORY - 20010114 GOOD FRAME AE9888 HISTORY - 20021022 GOOD CADT AE9888 HISTORY - 20021101 GOOD CADWR AE9888 HISTORY - 20040817 GOOD BESTOR AE9888 AE9888 STATION DESCRIPTION AE9888 AE9888'DESCRIBED BY US BUREAU OF RECLAMATION 1997 (DWS) AE9888'THE STATION IS 5.0 MI (8.0 KM) WEST OF BYRON AND 4.2 MI (6.8 KM) SOUTH AE9888'OF BRENTWOOD. TO REACH THE STATION FROM THE INTERSECTION OF BYRON AE9888'HIGHWAY AND CAMINO DIABLO IN BYRON, GO WEST ON CAMINO DIABLO FOR 3.7 AE9888'MI (6.0 KM) TO THE INTERSECTION WITH WALNUT BOULEVARD. CONTINUE WEST AE9888'ON CAMINO DIABLO FOR 1.25 MI (2.01 KM) TO THE STATION ON THE RIGHT AE9888'(NORTH) . THE STATION IS A 2 1/2 INCH DIAMETER ALUMINUM ALLOY DOMED AE9888'CAP WITH MAGNET, SET 0.2 FT (0.1 M) BELOW GROUND, ATTACHED TO AN AE9888'ALUMINUM ALLOY ROD DRIVEN 9.0 FT (2.7 M) TO REFUSAL, ENCASED IN A SAND AE9888'FILLED 4-INCH DIAMETER PVC PIPE SET TO A DEPTH OF 4 FT (1.2 M) IN A 1 AE9888'FT (0.3 M) DIAMETER CONCRETE-FILLED HOLE 4 FT (1.2 M) DEEP. THE AE9888'STATION IS 42.7 FT (13.0 M) WEST OF THE NORTH END OF AN 18 INCH AE9888'CORRUGATED METAL PIPE CULVERT UNDER THE ROAD, 23.6 FT (7.2 M) NORTH OF AE9888'CENTERLINE OF CAMINO DIABLO, 2.1 FT (0.6 M) EAST OF THE EASTERN OF TWO AE9888'WOODEN BRACE POSTS IN THE BARBED-WIRE FENCE, AND 1.5 FT (0.5 M) SOUTH AE9888'OF A BARBED WIRE FENCE. THE STATION IS 1.7 FT (0.5 M) EAST OF A AE9888'CARSONITE WITNESS POST. THE STATION WAS OCCUPIED AS PART OF THE SAN AE9888'JOAQUIN-SACRAMENTO RIVER DELTA GPS/VERTICAL PROJECT. (RWK) AE9888 AE9888 STATION RECOVERY (2001) AE9888 AE9888'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) AE9888'RECOVERED AS DESCRIBED. AE9888 AE9888 STATION RECOVERY (2002) AE9888 AE9888'RECOVERY NOTE BY CALTRANS 2002 (DH) AE9888'FOUND IN GOOD CONDITIONS. AE9888 AE9888 STATION RECOVERY (2002) AE9888 AE9888'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AE9888'RECOVERED AS DESCRIBED. MONUMENT IS ALUMINUM ALLOY ROD. THE STATION AE9888'WAS OBSERVED AS PART OF THE DWR DELTA 2002 SUBSIDENCE NETWORK HEIGHT AE9888'MODERNIZATION SURVEY. AE9888 AE9888 STATION RECOVERY (2004) AE9888 AE9888'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (DT) AE9888'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AA3810 *********************************************************************** AA3810 HT_MOD - This is a Height Modernization Survey Station. AA3810 DESIGNATION - GPS CONTROL PT 44 AA3810 PID - AA3810 AA3810 STATE/COUNTY- CA/CONTRA COSTA AA3810 USGS QUAD - BYRON HOT SPRINGS (1968) AA3810 AA3810 *CURRENT SURVEY CONTROL AA3810 ___________________________________________________________________ AA3810* NAD 83(1998)- 37 51 48.28949(N) 121 40 43.74327(W) ADJUSTED AA3810* NAVD 88 - 51.03 (meters) 167.4 (feet) GPS OBS AA3810 ___________________________________________________________________ AA3810 EPOCH DATE - 2002.86 AA3810 X - -2,647,717.813 (meters) COMP AA3810 Y - -4,290,567.685 (meters) COMP AA3810 Z - 3,893,497.859 (meters) COMP AA3810 LAPLACE CORR- -3.07 (seconds) DEFLEC99 AA3810 ELLIP HEIGHT- 18.86 (meters) (10/28/05) GPS OBS AA3810 GEOID HEIGHT- -32.18 (meters) GEOID03 AA3810 AA3810 HORZ ORDER - FIRST AA3810 ELLP ORDER - FOURTH CLASS I AA3810 AA3810.The horizontal coordinates were established by GPS observations AA3810.and adjusted by the National Geodetic Survey in October 2005. AA3810.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AA3810.DATUM ITEM on the data sheet items page. AA3810.The horizontal coordinates are valid at the epoch date displayed above. AA3810.The epoch date for horizontal control is a decimal equivalence AA3810.of Year/Month/Day. AA3810 AA3810.The orthometric height was determined by GPS observations and a AA3810.high-resolution geoid model using precise GPS observation and AA3810.processing techniques. AA3810 AA3810.The X, Y, and Z were computed from the position and the ellipsoidal ht. AA3810 AA3810.The Laplace correction was computed from DEFLEC99 derived deflections. AA3810 AA3810.The ellipsoidal height was determined by GPS observations AA3810.and is referenced to NAD 83. AA3810 AA3810.The geoid height was determined by GEOID03. AA3810 AA3810; North East Units Scale Factor Converg. AA3810;SPC CA 3 - 651,966.592 1,896,279.701 MT 0.99993109 -0 43 18.2 AA3810;SPC CA 3 - 2,138,993.73 6,221,377.65 sFT 0.99993109 -0 43 18.2 AA3810;UTM 10 - 4,191,483.146 616,213.663 MT 0.99976634 +0 48 39.6 AA3810 AA3810! - Elev Factor x Scale Factor = Combined Factor AA3810!SPC CA 3 - 0.99999704 x 0.99993109 = 0.99992813 AA3810!UTM 10 - 0.99999704 x 0.99976634 = 0.99976338 AA3810 AA3810 SUPERSEDED SURVEY CONTROL AA3810 AA3810 NAD 83(1998)- 37 51 48.28887(N) 121 40 43.74199(W) AD(2000.86) B AA3810 ELLIP H (11/27/02) 18.90 (m) GP(2000.86) 4 1 AA3810 NAD 83(1992)- 37 51 48.28707(N) 121 40 43.74023(W) AD(1997.30) 1 AA3810 ELLIP H (07/10/98) 18.90 (m) GP(1997.30) 4 1 AA3810 NAD 83(1992)- 37 51 48.28670(N) 121 40 43.74055(W) AD(1997.30) 1 AA3810 ELLIP H (05/14/98) 18.99 (m) GP(1997.30) 3 1 AA3810 NAD 83(1992)- 37 51 48.28461(N) 121 40 43.73657(W) AD(1991.35) 1 AA3810 ELLIP H (09/29/94) 18.96 (m) GP(1991.35) 4 2 AA3810 AA3810.Superseded values are not recommended for survey control. AA3810.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA3810.See file dsdata.txt to determine how the superseded data were derived. AA3810 AA3810_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFG1621491483(NAD 83) AA3810_MARKER: DD = SURVEY DISK AA3810_SETTING: 50 = ALUMINUM ALLOY ROD W/O SLEEVE (10 FT.+) AA3810_STAMPING: PT 44 LS 5672 1990 AA3810_MARK LOGO: CA-013 AA3810_MAGNETIC: N = NO MAGNETIC MATERIAL AA3810_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AA3810_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA3810+SATELLITE: SATELLITE OBSERVATIONS - October 22, 2002 AA3810 AA3810 HISTORY - Date Condition Report By AA3810 HISTORY - 1990 MONUMENTED CA-013 AA3810 HISTORY - 19931022 GOOD CADT AA3810 HISTORY - 19940120 GOOD CADT AA3810 HISTORY - 19971021 GOOD BOR AA3810 HISTORY - 20010115 GOOD FRAME AA3810 HISTORY - 20020905 GOOD CADWR AA3810 HISTORY - 20021022 GOOD CADT AA3810 HISTORY - 20040814 GOOD BESTOR AA3810 AA3810 STATION DESCRIPTION AA3810 AA3810'DESCRIBED BY CALTRANS 1993 (DAN) AA3810'THE STATION IS LOCATED AT THE INTERSECTION OF CAMINO DIABLO ROAD AND AA3810'CAMINO VAQUEROS, ABOUT 22 MI (35.4 KM) WEST OF STOCKTON, ABOUT 13 MI AA3810'(20.9 KM) SOUTHEAST OF ANTIOCH AND ABOUT 2.5 MI (4.0 KM) WEST OF AA3810'BYRON. AA3810' AA3810'TO REACH THE STATION FROM THE INTERSECTION OF BRENTWOOD BOULEVARD AA3810'(STATE HIGHWAY 4) AND OAK STREET IN BRENTWOOD, GO SOUTHWEST ON OAK AA3810'STREET FOR 0.1 MI (0.2 KM) TO A T-INTERSECTION WITH WALNUT BOULEVARD. AA3810'TURN LEFT AND GO SOUTHEAST THEN SOUTH ON WALNUT BOULEVARD FOR 6.1 MI AA3810'(9.8 KM) TO THE INTERSECTION WITH CAMINO DIABLO ROAD. TURN LEFT AND GO AA3810'EAST ON CAMINO DIABLO ROAD FOR 1.4 MI (2.3 KM) TO A GRAVEL SIDE ROAD AA3810'RIGHT, CAMINO VAQUEROS, AND THE STATION ON THE RIGHT NEAR A GROUP OF AA3810'MAILBOXES. AA3810' AA3810'THE STATION IS A SURVEY DISK ENCASED IN PVC PIPE WITH PVC CAP SET IN AA3810'CONCRETE FLUSH WITH THE GROUND. THE DISK IS 0.3 FT (0.1 M) BELOW THE AA3810'CAP. IT IS 68.5 FT (20.9 M) SOUTH-SOUTHWEST OF THE CENTERLINE OF AA3810'CAMINO DIABLO ROAD, 21.0 FT (6.4 M) SOUTHEAST OF THE CENTERLINE OF AA3810'CAMINO VAQUEROS, 5.4 FT (1.6 M) WEST OF AN ANGLE POINT IN A WOOD AA3810'FENCE, AND 2.8 FT (0.9 M) NORTHWEST OF A CARSONITE WITNESS POST. AA3810' AA3810'THIS STATION IS PART OF A CONTRA COSTA COUNTY MONUMENTATION PROJECT AA3810'PERFORMED IN 1990. THIS STATION WAS OCCUPIED AS PART OF A CALIFORNIA AA3810'HPGN DENSIFICATION SURVEY IN 1993. AA3810 AA3810 STATION RECOVERY (1994) AA3810 AA3810'RECOVERY NOTE BY CALTRANS 1994 (DBS) AA3810'THE STATION WAS RECOVERED AS DESCRIBED. AA3810 AA3810 STATION RECOVERY (1997) AA3810 AA3810'RECOVERY NOTE BY US BUREAU OF RECLAMATION 1997 (DWS) AA3810'THE STATION WAS RECOVERED WITH A MINOR ROADWAY CHANGE. TO REACH THE AA3810'STATION FROM THE INTERSECTION OF BRENTWOOD BOULEVARD (STATE HIGHWAY 4) AA3810'AND OAK STREET IN BRENTWOOD, GO SOUTHWEST ON OAK STREET FOR 0.1 MI AA3810'(0.2 KM) TO A T-INTERSECTION WITH WALNUT BOULEVARD. TURN LEFT AND GO AA3810'SOUTHEAST THEN SOUTH ON WALNUT BOULEVARD FOR 5.1 MI (8.2 KM) TO WHERE AA3810'THE MAIN ROAD BEARS SOUTHEAST AND WALNUT BOULEVARD IS A RIGHT TURN TO AA3810'THE SOUTH. TURN RIGHT AND GO SOUTH ON WALNUT BOULEVARD AGAIN FOR 1.0 AA3810'MI (1.6 KM) TO THE INTERSECTION OF CAMINO DIABLO. TURN LEFT AND GO AA3810'EAST FOR 1.4 MI (2.3 KM) TO A GRAVEL SIDE ROAD RIGHT, CAMINO VAQUEROS, AA3810'BEHIND A LINE OF TREES, AND THE STATION ON THE RIGHT NEAR A GROUP OF AA3810'MAILBOXES. THE STATION IS INSIDE OF AN 8-INCH DIAMETER PVC PIPE WITH AA3810'A FLAT WHITE CAP, 23.6 FT (7.2 M) SOUTHWEST OF THE STOP SIGN, BETWEEN AA3810'THE STOP SIGN AND THE MAILBOXES, AND 3.6 FT (1.1 M) FROM THE FENCE. AA3810'ALTERNATIVELY, TO REACH THE STATION FROM THE INTERSECTION OF CAMINO AA3810'DIABLO AND THE BYRON HIGHWAY IN BYRON, GO WEST ON CAMINO DIABLO FOR AA3810'1.65 MI (2.66 KM) TO THE INTERSECTION OF VASCO ROAD. CONTINUE WEST ON AA3810'CAMINO DIABLO FOR 0.7 MI (1.1 KM) TO THE STATION ON THE LEFT. THE AA3810'STATION WAS OCCUPIED AS PART OF THE SAN JOAQUIN-SACRAMENTO RIVER DELTA AA3810'GPS/VERTICAL PROJECT. AA3810 AA3810 STATION RECOVERY (2001) AA3810 AA3810'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) AA3810'RECOVERED AS DESCRIBED. AA3810 AA3810 STATION RECOVERY (2002) AA3810 AA3810'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AA3810'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR AA3810'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. AA3810 AA3810 STATION RECOVERY (2002) AA3810 AA3810'RECOVERY NOTE BY CALTRANS 2002 (DH) AA3810'FOUND IN GOOD CONDITIONS. AA3810 AA3810 STATION RECOVERY (2004) AA3810 AA3810'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (DT) AA3810'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 DH6897 *********************************************************************** DH6897 HT_MOD - This is a Height Modernization Survey Station. DH6897 DESIGNATION - HOTCH DH6897 PID - DH6897 DH6897 STATE/COUNTY- CA/CONTRA COSTA DH6897 USGS QUAD - JERSEY ISLAND (1978) DH6897 DH6897 *CURRENT SURVEY CONTROL DH6897 ___________________________________________________________________ DH6897* NAD 83(1998)- 38 00 42.99366(N) 121 39 38.10722(W) ADJUSTED DH6897* NAVD 88 - 4.05 (meters) 13.3 (feet) GPS OBS DH6897 ___________________________________________________________________ DH6897 EPOCH DATE - 2002.86 DH6897 X - -2,641,012.769 (meters) COMP DH6897 Y - -4,282,751.141 (meters) COMP DH6897 Z - 3,906,471.028 (meters) COMP DH6897 LAPLACE CORR- 0.98 (seconds) DEFLEC99 DH6897 ELLIP HEIGHT- -28.32 (meters) (10/28/05) GPS OBS DH6897 GEOID HEIGHT- -32.38 (meters) GEOID03 DH6897 DH6897 HORZ ORDER - FIRST DH6897 ELLP ORDER - FOURTH CLASS I DH6897 DH6897.The horizontal coordinates were established by GPS observations DH6897.and adjusted by the National Geodetic Survey in October 2005. DH6897.This is a SPECIAL STATUS position. See SPECIAL STATUS under the DH6897.DATUM ITEM on the data sheet items page. DH6897.The horizontal coordinates are valid at the epoch date displayed above. DH6897.The epoch date for horizontal control is a decimal equivalence DH6897.of Year/Month/Day. DH6897 DH6897.The orthometric height was determined by GPS observations and a DH6897.high-resolution geoid model using precise GPS observation and DH6897.processing techniques. DH6897 DH6897.The X, Y, and Z were computed from the position and the ellipsoidal ht. DH6897 DH6897.The Laplace correction was computed from DEFLEC99 derived deflections. DH6897 DH6897.The ellipsoidal height was determined by GPS observations DH6897.and is referenced to NAD 83. DH6897 DH6897.The geoid height was determined by GEOID03. DH6897 DH6897; North East Units Scale Factor Converg. DH6897;SPC CA 3 - 668,430.212 1,898,088.244 MT 0.99993951 -0 42 38.0 DH6897;SPC CA 3 - 2,193,008.12 6,227,311.18 sFT 0.99993951 -0 42 38.0 DH6897;UTM 10 - 4,207,986.535 617,580.569 MT 0.99977027 +0 49 29.8 DH6897 DH6897! - Elev Factor x Scale Factor = Combined Factor DH6897!SPC CA 3 - 1.00000444 x 0.99993951 = 0.99994395 DH6897!UTM 10 - 1.00000444 x 0.99977027 = 0.99977471 DH6897 DH6897 SUPERSEDED SURVEY CONTROL DH6897 DH6897.No superseded survey control is available for this station. DH6897 DH6897_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH1758107987(NAD 83) DH6897_MARKER: DD = SURVEY DISK DH6897_SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES DH6897_SP_SET: BRIDGE WINGWALL DH6897_STAMPING: HOTCH 1998 DH6897_MARK LOGO: BOR DH6897_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET DH6897_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DH6897+STABILITY: SURFACE MOTION DH6897_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DH6897+SATELLITE: SATELLITE OBSERVATIONS - November 20, 2002 DH6897 DH6897 HISTORY - Date Condition Report By DH6897 HISTORY - 1998 MONUMENTED BOR DH6897 HISTORY - 20021120 GOOD CADWR DH6897 DH6897 STATION DESCRIPTION DH6897 DH6897'DESCRIBED BY CA DEPT OF WATER RES 2002 (WLB) DH6897'THE STATION IS LOCATED ABOUT 3 MI (4.8 KM) NORTHEAST OF OAKLEY AND DH6897'ABOUT 10 MI (16.1 KM) SOUTHSOUTHEAST OF RIO VISTA. TO REACH THE DH6897'STATION FROM THE INTERSECTION OF STATE HWY 4 AND CYPRESS ROAD, EAST OF DH6897'OAKLEY, GO EAST ON CYPRESS ROAD FOR 2.1 MI (3.4 KM) TO JERSEY ISLAND DH6897'ROAD, A SIDE ROAD LEFT. TURN LEFT AND GO NORTH ON JERSEY ISLAND RD DH6897'FOR 1.45 MI (2.33 KM) TO A CONCRETE BRIDGE OVER DUTCH SLOUGH AND THE DH6897'STATION ON THE RIGHT BEFORE THE SLOUGH. THE STATION IS A 2-IN-DIA DH6897'ALUMINUM ALLOY DOMED DISK WITH MAGNET, SET FLUSH IN THE SOUTHEAST DH6897'WING WALL OF THE DUTCH SLOUGH BRIDGE. THE STATION IS 29.5 FT (9.0 M) DH6897'EASTERLY AND ACROSS THE ROAD FROM USCGS MONUMENT R 465, 16.3 FT (5.0 DH6897'M) EAST OF THE CENTERLINE OF THE ROAD, AND 11.0 FT (3.4 M) NORTHWEST DH6897'OF THE SOUTH END OF THE SOUTHEAST WING WALL OF THE BRIDGE. THE DH6897'STATION WAS OBSERVED AS PART OF THE DWR DELTA 2002 SUBSIDENCE NETWORK DH6897'HEIGHT MODERNIZATION SURVEY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AA3821 *********************************************************************** AA3821 HT_MOD - This is a Height Modernization Survey Station. AA3821 DESIGNATION - HPGN D CA 04 HK AA3821 PID - AA3821 AA3821 STATE/COUNTY- CA/CONTRA COSTA AA3821 USGS QUAD - JERSEY ISLAND (1978) AA3821 AA3821 *CURRENT SURVEY CONTROL AA3821 ___________________________________________________________________ AA3821* NAD 83(1998)- 38 01 04.02619(N) 121 45 03.92598(W) ADJUSTED AA3821* NAVD 88 - 4.90 (meters) 16.1 (feet) GPS OBS AA3821 ___________________________________________________________________ AA3821 EPOCH DATE - 2002.86 AA3821 X - -2,647,564.752 (meters) COMP AA3821 Y - -4,278,234.982 (meters) COMP AA3821 Z - 3,906,982.458 (meters) COMP AA3821 LAPLACE CORR- -1.50 (seconds) DEFLEC99 AA3821 ELLIP HEIGHT- -27.47 (meters) (10/28/05) GPS OBS AA3821 GEOID HEIGHT- -32.37 (meters) GEOID03 AA3821 AA3821 HORZ ORDER - B AA3821 ELLP ORDER - FOURTH CLASS I AA3821 AA3821.The horizontal coordinates were established by GPS observations AA3821.and adjusted by the National Geodetic Survey in October 2005. AA3821.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AA3821.DATUM ITEM on the data sheet items page. AA3821.The horizontal coordinates are valid at the epoch date displayed above. AA3821.The epoch date for horizontal control is a decimal equivalence AA3821.of Year/Month/Day. AA3821 AA3821.The orthometric height was determined by GPS observations and a AA3821.high-resolution geoid model using precise GPS observation and AA3821.processing techniques. AA3821 AA3821.The X, Y, and Z were computed from the position and the ellipsoidal ht. AA3821 AA3821.The Laplace correction was computed from DEFLEC99 derived deflections. AA3821 AA3821.The ellipsoidal height was determined by GPS observations AA3821.and is referenced to NAD 83. AA3821 AA3821.The geoid height was determined by GEOID03. AA3821 AA3821; North East Units Scale Factor Converg. AA3821;SPC CA 3 - 669,180.999 1,890,150.047 MT 0.99993998 -0 45 57.4 AA3821;SPC CA 3 - 2,195,471.33 6,201,267.28 sFT 0.99993998 -0 45 57.4 AA3821;UTM 10 - 4,208,524.260 609,626.543 MT 0.99974802 +0 46 09.4 AA3821 AA3821! - Elev Factor x Scale Factor = Combined Factor AA3821!SPC CA 3 - 1.00000431 x 0.99993998 = 0.99994429 AA3821!UTM 10 - 1.00000431 x 0.99974802 = 0.99975233 AA3821 AA3821 SUPERSEDED SURVEY CONTROL AA3821 AA3821 NAD 83(1998)- 38 01 04.02572(N) 121 45 03.92476(W) AD(2000.86) B AA3821 ELLIP H (11/27/02) -27.46 (m) GP(2000.86) 4 1 AA3821 NAD 83(1992)- 38 01 04.02452(N) 121 45 03.92354(W) AD(1997.30) 1 AA3821 ELLIP H (07/10/98) -27.49 (m) GP(1997.30) 4 1 AA3821 NAD 83(1992)- 38 01 04.02409(N) 121 45 03.92388(W) AD(1997.30) 1 AA3821 ELLIP H (03/20/98) -27.39 (m) GP(1997.30) 3 2 AA3821 NAD 83(1992)- 38 01 04.02139(N) 121 45 03.91966(W) AD(1991.35) 1 AA3821 ELLIP H (09/29/94) -27.39 (m) GP(1991.35) 4 2 AA3821 AA3821.Superseded values are not recommended for survey control. AA3821.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA3821.See file dsdata.txt to determine how the superseded data were derived. AA3821 AA3821_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH0962708524(NAD 83) AA3821_MARKER: DD = SURVEY DISK AA3821_SETTING: 50 = ALUMINUM ALLOY ROD W/O SLEEVE (10 FT.+) AA3821_STAMPING: CA-HPGN-DENSIFICATION STA. 04-HK 1993 AA3821_MARK LOGO: CADT AA3821_PROJECTION: FLUSH AA3821_MAGNETIC: N = NO MAGNETIC MATERIAL AA3821_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AA3821_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA3821+SATELLITE: SATELLITE OBSERVATIONS - July 28, 2004 AA3821_ROD/PIPE-DEPTH: 7.30 meters AA3821 AA3821 HISTORY - Date Condition Report By AA3821 HISTORY - 1993 MONUMENTED CADT AA3821 HISTORY - 19970829 GOOD NGS AA3821 HISTORY - 20010115 GOOD FRAME AA3821 HISTORY - 20020213 GOOD CONDOR AA3821 HISTORY - 20021022 GOOD CADT AA3821 HISTORY - 20021105 GOOD CADWR AA3821 HISTORY - 20021201 GOOD CADWR AA3821 HISTORY - 20040728 GOOD BESTOR AA3821 AA3821 STATION DESCRIPTION AA3821 AA3821'DESCRIBED BY CALTRANS 1993 (DAN) AA3821'THE STATION IS LOCATED IN THE ANTIOCH REGIONAL SHORELINE AT THE SOUTH AA3821'END OF THE ANTIOCH BRIDGE, ABOUT 10 MI (16.1 KM) SOUTH-SOUTHWEST OF AA3821'THE CITY OF RIO VISTA AND ABOUT 4 MI (6.4 KM) EAST OF THE CITY OF AA3821'ANTIOCH. AA3821' AA3821'TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 4 AND 160, AA3821'ABOUT 3.5 MI (5.6 KM) EAST OF THE CITY OF ANTIOCH, GO NORTHERLY ON AA3821'HIGHWAY 160 FOR 0.35 MI (0.56 KM) TO THE EXIT FOR WILBUR AVENUE. TAKE AA3821'THE OFF-RAMP NORTHEASTERLY FOR 0.1 MI (0.2 KM) TO WILBUR AVENUE. TURN AA3821'RIGHT AND GO EAST ON WILBUR AVENUE FOR ABOUT 150 FT (45.7 M) TO A AA3821'T-INTERSECTION WITH BRIDGEHEAD ROAD. TURN LEFT AND GO NORTH ON AA3821'BRIDGEHEAD ROAD FOR 0.3 MI (0.5 KM) TO A CURVE TO THE LEFT AND THE AA3821'ENTRANCE TO THE ANTIOCH REGIONAL SHORELINE ON THE RIGHT. TURN RIGHT AA3821'AND ENTER THE SHORELINE PARKING LOT. THE STATION IS ON A LOW GRASSY AA3821'KNOLL ABOUT 70 FT (21.3 M) NORTH OF THE PARKING LOT. AA3821' AA3821'THE STATION IS A SURVEY DISK ENCASED IN PVC PIPE WITH ACCESS COVER SET AA3821'IN CONCRETE FLUSH WITH THE GROUND. THE DISK IS 0.4 FT (0.1 M) BELOW AA3821'THE ACCESS COVER. IT IS ABOUT 198 FT (60.4 M) SOUTHEAST OF THE CENTER AA3821'OF BRIDGE COLUMN NO. 4, 131 FT (39.9 M) NORTHEAST OF THE CENTER OF AA3821'BRIDGE COLUMN NO. 3, 130.4 FT (39.7 M) NORTHWEST OF THE CENTERLINE OF AA3821'A PARK SERVICE ROAD, 102.4 FT (31.2 M) NORTH OF A TWO RAIL WOOD FENCE AA3821'ON THE NORTH SIDE OF THE ASPHALT PARKING LOT AND ABOUT 20 FT (6.1 M) AA3821'SOUTH OF THE HIGHEST POINT OF THE KNOLL. AA3821' AA3821'THIS STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION AA3821'SURVEY 1N 1993. AA3821 AA3821 STATION RECOVERY (1997) AA3821 AA3821'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1997 (JDD) AA3821'THE STATION WAS RECOVERED AND OCCUPIED AS PART OF THE SAN AA3821'JOAQUIN-SACRAMENTO RIVER DELTA GPS/VERTICAL PROJECT. AA3821 AA3821 STATION RECOVERY (2001) AA3821 AA3821'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) AA3821'RECOVERED AS DESCRIBED. AA3821 AA3821 STATION RECOVERY (2002) AA3821 AA3821'RECOVERY NOTE BY CONDOR TECHNOLOGIES 2002 (DLS) AA3821'RECOVERED IN GOOD CONDITION. AA3821 AA3821 STATION RECOVERY (2002) AA3821 AA3821'RECOVERY NOTE BY CALTRANS 2002 (DH) AA3821'FOUND IN GOOD CONDITIONS. AA3821 AA3821 STATION RECOVERY (2002) AA3821 AA3821'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 AA3821'RECOVERED AS DESCRIBED WITH THE FOLLOWING ADDITIONAL NOTES. DRIVE AA3821'(CONTINUE NORTH) THROUGH THE PARKING LOT AND AT THE BACK, TURN LEFT AA3821'IMMEDIATELY AFTER THE LANDSCAPING MOUND SEPARATING THE SERVICE ROAD AA3821'FROM THE PAVED WIDE PEDESTRIAN RECREATION TRAIL. THE STATION IS 58.5 AA3821'FT WEST OF THE WEST EDGE OF THE PEDESTRIAN ROAD WHERE LETTERING AA3821''04HK' HAS BEEN SPRAY PAINTED, 62.5 FT SOUTHWEST OF AN ALDER TREE AA3821'WITH SEVERE BARK DAMAGE TO THE WEST SIDE OF ITS TRUNK, 20 FT SOUTH OF AA3821'THE HIGHEST KNOLL WHICH IS ABOUT 70 FT NORTH OF THE PARKING LOT. THE AA3821'LID IS BROKEN AT THE HINGE END STEM. THE STATION WAS OBSERVED AS PART AA3821'OF THE DWR DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. AA3821 AA3821 STATION RECOVERY (2002) AA3821 AA3821'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AA3821'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR AA3821'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. AA3821 AA3821 STATION RECOVERY (2004) AA3821 AA3821'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (MVH) AA3821'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AE9882 *********************************************************************** AE9882 HT_MOD - This is a Height Modernization Survey Station. AE9882 DESIGNATION - KRISTI AE9882 PID - AE9882 AE9882 STATE/COUNTY- CA/CONTRA COSTA AE9882 USGS QUAD - BRENTWOOD (1978) AE9882 AE9882 *CURRENT SURVEY CONTROL AE9882 ___________________________________________________________________ AE9882* NAD 83(1998)- 37 54 42.37585(N) 121 40 43.10591(W) ADJUSTED AE9882* NAVD 88 - 20.06 (meters) 65.8 (feet) GPS OBS AE9882 ___________________________________________________________________ AE9882 EPOCH DATE - 2002.86 AE9882 X - -2,645,960.664 (meters) COMP AE9882 Y - -4,287,749.909 (meters) COMP AE9882 Z - 3,897,714.810 (meters) COMP AE9882 LAPLACE CORR- -1.76 (seconds) DEFLEC99 AE9882 ELLIP HEIGHT- -12.22 (meters) (10/28/05) GPS OBS AE9882 GEOID HEIGHT- -32.29 (meters) GEOID03 AE9882 AE9882 HORZ ORDER - FIRST AE9882 ELLP ORDER - FOURTH CLASS I AE9882 AE9882.The horizontal coordinates were established by GPS observations AE9882.and adjusted by the National Geodetic Survey in October 2005. AE9882.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AE9882.DATUM ITEM on the data sheet items page. AE9882.The horizontal coordinates are valid at the epoch date displayed above. AE9882.The epoch date for horizontal control is a decimal equivalence AE9882.of Year/Month/Day. AE9882 AE9882.The orthometric height was determined by GPS observations and a AE9882.high-resolution geoid model using precise GPS observation and AE9882.processing techniques. AE9882 AE9882.The X, Y, and Z were computed from the position and the ellipsoidal ht. AE9882 AE9882.The Laplace correction was computed from DEFLEC99 derived deflections. AE9882 AE9882.The ellipsoidal height was determined by GPS observations AE9882.and is referenced to NAD 83. AE9882 AE9882.The geoid height was determined by GEOID03. AE9882 AE9882; North East Units Scale Factor Converg. AE9882;SPC CA 3 - 657,332.995 1,896,362.870 MT 0.99993310 -0 43 17.8 AE9882;SPC CA 3 - 2,156,600.00 6,221,650.52 sFT 0.99993310 -0 43 17.8 AE9882;UTM 10 - 4,196,848.963 616,153.232 MT 0.99976617 +0 48 43.2 AE9882 AE9882! - Elev Factor x Scale Factor = Combined Factor AE9882!SPC CA 3 - 1.00000192 x 0.99993310 = 0.99993502 AE9882!UTM 10 - 1.00000192 x 0.99976617 = 0.99976809 AE9882 AE9882 SUPERSEDED SURVEY CONTROL AE9882 AE9882 NAD 83(1998)- 37 54 42.37555(N) 121 40 43.10477(W) AD(2000.86) B AE9882 ELLIP H (11/27/02) -12.20 (m) GP(2000.86) 4 1 AE9882 NAD 83(1992)- 37 54 42.37368(N) 121 40 43.10307(W) AD(1997.30) 1 AE9882 ELLIP H (07/10/98) -12.24 (m) GP(1997.30) 4 1 AE9882 NAD 83(1992)- 37 54 42.37328(N) 121 40 43.10338(W) AD(1997.30) 1 AE9882 ELLIP H (05/14/98) -12.15 (m) GP(1997.30) 3 1 AE9882 AE9882.Superseded values are not recommended for survey control. AE9882.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AE9882.See file dsdata.txt to determine how the superseded data were derived. AE9882 AE9882_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFG1615396849(NAD 83) AE9882_MARKER: DD = SURVEY DISK AE9882_SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES AE9882_SP_SET: CULVERT HEADWALL AE9882_STAMPING: KRISTI 1997 AE9882_MARK LOGO: BOR AE9882_MAGNETIC: N = NO MAGNETIC MATERIAL AE9882_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AE9882_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AE9882+SATELLITE: SATELLITE OBSERVATIONS - September 05, 2002 AE9882 AE9882 HISTORY - Date Condition Report By AE9882 HISTORY - 1997 MONUMENTED BOR AE9882 HISTORY - 20010115 GOOD FRAME AE9882 HISTORY - 20020905 GOOD CADWR AE9882 HISTORY - 20040817 GOOD BESTOR AE9882 AE9882 STATION DESCRIPTION AE9882 AE9882'DESCRIBED BY US BUREAU OF RECLAMATION 1997 (DWS) AE9882'THE STATION IS ABOUT 1.5 MI (2.4 KM) SOUTHEAST OF BRENTWOOD. TO REACH AE9882'THE STATION FROM THE INTERSECTION OF STATE ROUTE 4 AND SELLERS AVENUE, AE9882'1.5 MI (2.4 KM) SOUTHEAST OF BRENTWOOD, GO SOUTH ON SELLERS AVENUE FOR AE9882'ABOUT 225 FT (68.6 M) TO THE RAILROAD TRACKS. GO ACROSS THE TRACKS, AE9882'TURN HARD RIGHT BEFORE REACHING PAYNE AVENUE, AND FOLLOW A NARROW AE9882'TRACK ROAD ON THE SOUTHWEST SIDE OF AND PARALLEL TO THE TRACKS FOR AE9882'ABOUT 300 FT (91.4 M) TO THE STATION ON THE LEFT. THE STATION IS 317 AE9882'FT (96.6 M) NORTHWEST OF THE CENTERLINE OF SELLERS AVENUE, IN THE AE9882'NORTHWEST END OF A 1.5 FT-WIDE CONCRETE CULVERT HEADWALL, WHICH HAS AE9882'ABOUT 1 FT (0.3 M) OF THE WEST SIDE OF THE SOUTHEAST END CHIPPED OFF. AE9882'THE STATION IS SET IN THE TOP OF THE HEADWALL, 11.9 FT (3.6 M) AE9882'SOUTHWEST OF THE SOUTHWEST RAIL OF THE TRACKS, 9.4 FT (2.9 M) AE9882'NORTHWEST OF THE SOUTHEAST END OF THE HEADWALL, 1.2 FT (0.4 M) AE9882'NORTHEAST OF A CARSONITE WITNESS POST, AND 0.6 FT (0.2 M) SOUTHEAST OF AE9882'THE NORTHWEST END OF THE HEADWALL. THE STATION WAS OCCUPIED AS PART AE9882'OF THE SAN JOAQUIN-SACRAMENTO RIVER DELTA GPS/VERTICAL PROJECT. AE9882 AE9882 STATION RECOVERY (2001) AE9882 AE9882'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) AE9882'RECOVERED AS DESCRIBED. AE9882 AE9882 STATION RECOVERY (2002) AE9882 AE9882'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AE9882'RECOVERED AS DESCRIBED WITH THE FOLLOWING ADDITIONAL NOTES. AFTER AE9882'CROSSING THE TRACKS, FOLLOW A NARROW TRACK ROAD WHICH STARTS NORTH OF AE9882'(IN FRONT OF) A UPRR SIGNAL CONTROL STATION AT MP 63.50 AND DRIVE AE9882'SOUTHWEST PARALLEL TO THE TRACKS TO THE STATION ON THE LEFT. THE AE9882'STATION WAS OBSERVED AS PART OF THE DWR DELTA 2002 SUBSIDENCE NETWORK AE9882'HEIGHT MODERNIZATION SURVEY. AE9882 AE9882 STATION RECOVERY (2004) AE9882 AE9882'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (DT) AE9882'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 JS4835 *********************************************************************** JS4835 HT_MOD - This is a Height Modernization Survey Station. JS4835 DESIGNATION - LAKE ALHAMBRA JS4835 PID - JS4835 JS4835 STATE/COUNTY- CA/CONTRA COSTA JS4835 USGS QUAD - ANTIOCH NORTH (1978) JS4835 JS4835 *CURRENT SURVEY CONTROL JS4835 ___________________________________________________________________ JS4835* NAD 83(1998)- 38 00 20.09403(N) 121 47 36.37098(W) ADJUSTED JS4835* NAVD 88 - 4.72 (meters) 15.5 (feet) GPS OBS JS4835 ___________________________________________________________________ JS4835 EPOCH DATE - 2002.86 JS4835 X - -2,651,165.399 (meters) COMP JS4835 Y - -4,276,985.987 (meters) COMP JS4835 Z - 3,905,915.183 (meters) COMP JS4835 LAPLACE CORR- -2.55 (seconds) DEFLEC99 JS4835 ELLIP HEIGHT- -27.57 (meters) (10/28/05) GPS OBS JS4835 GEOID HEIGHT- -32.30 (meters) GEOID03 JS4835 JS4835 HORZ ORDER - FIRST JS4835 ELLP ORDER - FOURTH CLASS I JS4835 JS4835.The horizontal coordinates were established by GPS observations JS4835.and adjusted by the National Geodetic Survey in October 2005. JS4835.This is a SPECIAL STATUS position. See SPECIAL STATUS under the JS4835.DATUM ITEM on the data sheet items page. JS4835.The horizontal coordinates are valid at the epoch date displayed above. JS4835.The epoch date for horizontal control is a decimal equivalence JS4835.of Year/Month/Day. JS4835 JS4835.The orthometric height was determined by GPS observations and a JS4835.high-resolution geoid model using precise GPS observation and JS4835.processing techniques. JS4835 JS4835.The X, Y, and Z were computed from the position and the ellipsoidal ht. JS4835 JS4835.The Laplace correction was computed from DEFLEC99 derived deflections. JS4835 JS4835.The ellipsoidal height was determined by GPS observations JS4835.and is referenced to NAD 83. JS4835 JS4835.The geoid height was determined by GEOID03. JS4835 JS4835; North East Units Scale Factor Converg. JS4835;SPC CA 3 - 667,877.223 1,886,413.455 MT 0.99993901 -0 47 30.8 JS4835;SPC CA 3 - 2,191,193.86 6,189,008.14 sFT 0.99993901 -0 47 30.8 JS4835;SPC CA 2 - 537,643.629 2,018,143.240 MT 1.00009042 +0 07 48.8 JS4835;SPC CA 2 - 1,763,919.14 6,621,191.61 sFT 1.00009042 +0 07 48.8 JS4835;UTM 10 - 4,207,121.128 605,926.944 MT 0.99973819 +0 44 34.8 JS4835 JS4835! - Elev Factor x Scale Factor = Combined Factor JS4835!SPC CA 3 - 1.00000433 x 0.99993901 = 0.99994334 JS4835!SPC CA 2 - 1.00000433 x 1.00009042 = 1.00009475 JS4835!UTM 10 - 1.00000433 x 0.99973819 = 0.99974252 JS4835 JS4835 SUPERSEDED SURVEY CONTROL JS4835 JS4835 NAD 83(1998)- 38 00 20.09339(N) 121 47 36.36998(W) AD(2000.86) B JS4835 ELLIP H (11/27/02) -27.54 (m) GP(2000.86) 4 1 JS4835 NAD 83(1992)- 38 00 20.09200(N) 121 47 36.36874(W) AD(1997.30) B JS4835 ELLIP H (07/10/98) -27.58 (m) GP(1997.30) 4 1 JS4835 NAD 83(1992)- 38 00 20.09140(N) 121 47 36.36874(W) AD(1997.30) B JS4835 NAD 83(1992)- 38 00 20.09140(N) 121 47 36.36874(W) AD(1997.30) 1 JS4835 ELLIP H (03/20/98) -27.48 (m) GP(1997.30) 3 1 JS4835 NAD 83(1992)- 38 00 20.09096(N) 121 47 36.36259(W) AD(1991.35) 1 JS4835 JS4835.Superseded values are not recommended for survey control. JS4835.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS4835.See file dsdata.txt to determine how the superseded data were derived. JS4835 JS4835_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH0592707121(NAD 83) JS4835_MARKER: DD = SURVEY DISK JS4835_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JS4835_SP_SET: CONCRETE POST JS4835_STAMPING: GPS RGA-LOT LAKE ALHAMBRA 1993 LS 4802 JS4835_MARK LOGO: NONE JS4835_MAGNETIC: N = NO MAGNETIC MATERIAL JS4835_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JS4835+STABILITY: SURFACE MOTION JS4835_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JS4835+SATELLITE: SATELLITE OBSERVATIONS - July 28, 2004 JS4835 JS4835 HISTORY - Date Condition Report By JS4835 HISTORY - 1993 MONUMENTED LOCSUR JS4835 HISTORY - 19970403 GOOD NGS JS4835 HISTORY - 19970829 GOOD NGS JS4835 HISTORY - 20010115 GOOD FRAME JS4835 HISTORY - 20020905 GOOD CADWR JS4835 HISTORY - 20040728 GOOD BESTOR JS4835 JS4835 STATION DESCRIPTION JS4835 JS4835'DESCRIBED BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1993 JS4835'STATION IS LOCATED IN THE CITY OF ANTIOCH, NEAR THE SOUTH END OF LAKE JS4835'ALHAMBRA, IN THE PARKING LOT OF A SMALL OFFICE BUILDING AT 10 SOUTH JS4835'LAKE DRIVE. STATION IS A 3 INCH ALUMINUM DISK SET FLUSH IN THE TOP OF JS4835'A CONCRETE MONUMENT IN THE LANDSCAPED AREA BEHIND THE PARKING LOT CURB JS4835'AND ABOUT LEVEL WITH THE CURB. IT IS 78 FEET SOUTH OF THE CENTERLINE JS4835'OF THE STREET, 44 FEET NORTH WEST OF THE SOUTHWEST BUILDING CORNER, JS4835'12.7 FEET EAST OF A 6 FEET HIGH CHAIN LINK FENCE, 5.9 FEET WEST OF JS4835'THE PARKING CURB, AND 0.75 FEET WEST OF A 2 INCH ALUM. DISK MARKED JS4835'RGA-GPS NO. 1 1991. STATION IS STAMPED GPS RGA-LOT LAKE ALHAMBRA JS4835'1993 L.S. 4802. JS4835'TO REACH FROM THE ANTIOCH BRIDGE OVER THE SAN JOAQUIN RIVER, PROCEED JS4835'SOUTH ON STATE HIGHWAY 160, 0.8 MILES TO THE INTERSECTION OF STATE JS4835'HIGHWAYS 160 AND 4, AND EAST 18TH STREET (A.K.A. VICTORY HIGHWAY). GO JS4835'WEST ON EAST 18TH ST., 2.25 MILES TO THE INTERSECTION WITH ALHAMBRA JS4835'DRIVE, TURN RIGHT (NORTH) FOR 0.1 MILES TO A T INTERSECTION, TURN JS4835'RIGHT ON SOUTH LAKE DRIVE, AND IMMEDIATELY TURN RIGHT INTO THE JS4835'PARKING LOT AND THE STATION ON THE RIGHT. JS4835 JS4835 STATION RECOVERY (1997) JS4835 JS4835'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1997 (JDD) JS4835'RECOVERED AS DESCRIBED. JS4835 JS4835 STATION RECOVERY (1997) JS4835 JS4835'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1997 (JDD) JS4835'THE STATION WAS RECOVERED AND OCCUPIED AS PART OF THE SAN JS4835'JOAQUIN-SACRAMENTO RIVER DELTA GPS/VERTICAL PROJECT. JS4835 JS4835 STATION RECOVERY (2001) JS4835 JS4835'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) JS4835'RECOVERED AS DESCRIBED. JS4835 JS4835 STATION RECOVERY (2002) JS4835 JS4835'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) JS4835'RECOVERED AS DESCRIBED WITH THE ADDITIONAL NOTE THAT THE PARKING LOT JS4835'IS FOR LAKEVIEW PLAZA, A SMALL BUSINESS OFFICE PROPERTY. THE STATION JS4835'WAS OBSERVED AS PART OF THE DWR DELTA 2002 SUBSIDENCE NETWORK HEIGHT JS4835'MODERNIZATION SURVEY. JS4835 JS4835 STATION RECOVERY (2004) JS4835 JS4835'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (MVH) JS4835'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 JS1905 *********************************************************************** JS1905 HT_MOD - This is a Height Modernization Survey Station. JS1905 DESIGNATION - M 465 JS1905 PID - JS1905 JS1905 STATE/COUNTY- CA/CONTRA COSTA JS1905 USGS QUAD - JERSEY ISLAND (1978) JS1905 JS1905 *CURRENT SURVEY CONTROL JS1905 ___________________________________________________________________ JS1905* NAD 83(1998)- 38 02 52.54180(N) 121 39 31.72701(W) ADJUSTED JS1905* NAVD 88 - 1.76 (meters) 5.8 (feet) GPS OBS JS1905 ___________________________________________________________________ JS1905 EPOCH DATE - 2002.86 JS1905 X - -2,639,587.793 (meters) COMP JS1905 Y - -4,280,736.727 (meters) COMP JS1905 Z - 3,909,615.870 (meters) COMP JS1905 LAPLACE CORR- 1.72 (seconds) DEFLEC99 JS1905 ELLIP HEIGHT- -30.60 (meters) (10/28/05) GPS OBS JS1905 GEOID HEIGHT- -32.37 (meters) GEOID03 JS1905 JS1905 HORZ ORDER - FIRST JS1905 VERT ORDER - SECOND CLASS 0 (See Below) JS1905 ELLP ORDER - FOURTH CLASS I JS1905 JS1905.The horizontal coordinates were established by GPS observations JS1905.and adjusted by the National Geodetic Survey in October 2005. JS1905.This is a SPECIAL STATUS position. See SPECIAL STATUS under the JS1905.DATUM ITEM on the data sheet items page. JS1905.The horizontal coordinates are valid at the epoch date displayed above. JS1905.The epoch date for horizontal control is a decimal equivalence JS1905.of Year/Month/Day. JS1905 JS1905.The orthometric height was determined by GPS observations and a JS1905.high-resolution geoid model using precise GPS observation and JS1905.processing techniques. JS1905.The vertical order pertains to the NGVD 29 superseded value. JS1905 JS1905.The X, Y, and Z were computed from the position and the ellipsoidal ht. JS1905 JS1905.The Laplace correction was computed from DEFLEC99 derived deflections. JS1905 JS1905.The ellipsoidal height was determined by GPS observations JS1905.and is referenced to NAD 83. JS1905 JS1905.The geoid height was determined by GEOID03. JS1905 JS1905; North East Units Scale Factor Converg. JS1905;SPC CA 3 - 672,422.036 1,898,293.316 MT 0.99994256 -0 42 34.1 JS1905;SPC CA 3 - 2,206,104.63 6,227,983.99 sFT 0.99994256 -0 42 34.1 JS1905;UTM 10 - 4,211,981.740 617,678.562 MT 0.99977056 +0 49 36.1 JS1905 JS1905! - Elev Factor x Scale Factor = Combined Factor JS1905!SPC CA 3 - 1.00000480 x 0.99994256 = 0.99994736 JS1905!UTM 10 - 1.00000480 x 0.99977056 = 0.99977536 JS1905 JS1905 SUPERSEDED SURVEY CONTROL JS1905 JS1905 NAD 83(1998)- 38 02 52.54083(N) 121 39 31.72609(W) AD(2000.86) B JS1905 ELLIP H (11/27/02) -30.57 (m) GP(2000.86) 4 1 JS1905 NAD 83(1992)- 38 02 52.53839(N) 121 39 31.72477(W) AD(1997.30) 1 JS1905 ELLIP H (07/10/98) -30.56 (m) GP(1997.30) 4 1 JS1905 NAD 83(1992)- 38 02 52.53796(N) 121 39 31.72514(W) AD(1997.30) 1 JS1905 ELLIP H (05/14/98) -30.47 (m) GP(1997.30) 3 1 JS1905 NGVD 29 (??/??/92) 1.377 (m) 4.52 (f) ADJ UNCH 2 0 JS1905 JS1905.Superseded values are not recommended for survey control. JS1905.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS1905.See file dsdata.txt to determine how the superseded data were derived. JS1905 JS1905_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH1767911982(NAD 83) JS1905_MARKER: DB = BENCH MARK DISK JS1905_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JS1905_SP_SET: SET IN TOP OF CONCRETE MONUMENT JS1905_STAMPING: M 465 1951 JS1905_MARK LOGO: CGS JS1905_MAGNETIC: N = NO MAGNETIC MATERIAL JS1905_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JS1905+STABILITY: SURFACE MOTION JS1905_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JS1905+SATELLITE: SATELLITE OBSERVATIONS - November 05, 2002 JS1905 JS1905 HISTORY - Date Condition Report By JS1905 HISTORY - 1951 MONUMENTED CGS JS1905 HISTORY - 1966 GOOD NGS JS1905 HISTORY - 19970811 GOOD USGS JS1905 HISTORY - 20010115 GOOD FRAME JS1905 HISTORY - 20021105 GOOD CADWR JS1905 JS1905 STATION DESCRIPTION JS1905 JS1905'DESCRIBED BY COAST AND GEODETIC SURVEY 1951 JS1905'AT JERSEY ISLAND. JS1905'ON THE EAST SIDE OF JERSEY ISLAND, 1.0 MILES SOUTH ALONG A PAVED JS1905'COUNTY ROAD ON THE WEST LEVEE OF TAYLOR SLOUGH FROM THE JERSEY JS1905'LANDING OF VICTORY II FERRY, AT THE Y JUNCTION OF A TRACK JS1905'ROAD LEADING NORTHEAST OFF THE LEVEE, 22 FEET NORTH OF THE JS1905'CENTER LINE OF THE LEVEE ROAD, 15 FEET NORTHWEST OF THE CENTER JS1905'LINE OF THE TRACK ROAD, 2.6 FEET SOUTHEAST OF A WITNESS POST, JS1905'ABOUT 3 FEET LOWER THAN THE ROAD, AND SET IN THE TOP OF A JS1905'CONCRETE POST PROJECTING 0.5 FEET. JS1905 JS1905 STATION RECOVERY (1966) JS1905 JS1905'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 JS1905'RECOVERED IN GOOD CONDITION. JS1905 JS1905 STATION RECOVERY (1997) JS1905 JS1905'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1997 (MEI) JS1905'THE STATION WAS RECOVERED AND A COMPLETE NEW DESCRIPTION FOLLOWS. THE JS1905'STATION IS ABOUT 8 MI (12.9 KM) SOUTH-SOUTHEAST OF RIO VISTA AND ABOUT JS1905'4.9 MI (7.9 KM) NORTHEAST OF OAKLEY, ALONG TAYLOR SLOUGH IN THE JS1905'NORTHEASTERN PART OF JERSEY ISLAND. TO REACH THE STATION FROM THE JS1905'INTERSECTION OF STATE HIGHWAY 4 AND CYPRESS ROAD, EAST OF OAKLEY, GO JS1905'EAST ON CYPRESS ROAD FOR 2.1 MI (3.4 KM) TO THE T-INTERSECTION WITH JS1905'JERSEY ISLAND ROAD ON THE LEFT. TURN LEFT AND GO NORTH ON JERSEY JS1905'ISLAND ROAD FOR 1.45 MI (2.33 KM) TO JERSEY ISLAND, CROSSING THE JS1905'BRIDGE OVER DUTCH SLOUGH. FROM THE SOUTH SHORE OF JERSEY ISLAND, JS1905'CONTINUE NORTHWEST ON JERSEY ISLAND ROAD FOR 1.35 MI (2.17 KM) TO A JS1905'T-INTERSECTION WITH A PAVED ROAD ON THE RIGHT (THE CONTINUATION OF JS1905'JERSEY ISLAND ROAD) LEADING TOWARD THE FERRY FOR BRADFORD ISLAND AND JS1905'WEBB TRACT. TURN RIGHT AND GO EAST FOR 2.6 MI (4.2 KM) TO THE STATION JS1905'ON THE LEFT. THE STATION IS WEST OF A Y-INTERSECTION OF A TRACK ROAD JS1905'LEADING DOWN AND NORTHEAST FROM THE LEVEE. THE STATION IS ALSO ABOUT JS1905'1.0 MI (1.6 KM) SOUTH FROM THE FERRY LANDING ON THE NORTH SIDE OF THE JS1905'NORTHEAST TIP OF JERSEY ISLAND. THE STATION IS 22 FT (6.7 M) NORTH OF JS1905'THE CENTERLINE OF THE LEVEE ROAD, 21 FT (6.4 M) WEST OF THE WEST JS1905'WOODEN GATE POST AT THE TRACK ROAD, ABOUT 15 FT (4.6 M) WEST OF THE JS1905'CENTERLINE OF THE TRACK ROAD, 4 FT (1.2 M) WEST OF WESTERNMOST OF JS1905'THREE 6X8 INCH WOODEN FENCEPOSTS, 3.9 FT (1.2 M) WEST OF A WITNESS JS1905'POST, ABOUT 2.0 FT (0.6 M) BELOW THE LEVEL OF THE ROAD, AND DIRECTLY JS1905'UNDERNEATH A BARBED WIRE FENCE 2.5 FT (0.8 M) HIGH AT THE STATION. JS1905'THE STATION WAS OCCUPIED AS PART OF THE SAN JOAQUIN-SACRAMENTO RIVER JS1905'DELTA GPS/VERTICAL PROJECT. JS1905 JS1905 STATION RECOVERY (2001) JS1905 JS1905'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) JS1905'RECOVERED AS DESCRIBED. JS1905 JS1905 STATION RECOVERY (2002) JS1905 JS1905'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) JS1905'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR JS1905'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AE9890 *********************************************************************** AE9890 HT_MOD - This is a Height Modernization Survey Station. AE9890 DESIGNATION - MOUND CSLC AE9890 PID - AE9890 AE9890 STATE/COUNTY- CA/CONTRA COSTA AE9890 USGS QUAD - JERSEY ISLAND (1978) AE9890 AE9890 *CURRENT SURVEY CONTROL AE9890 ___________________________________________________________________ AE9890* NAD 83(1998)- 38 01 04.56582(N) 121 37 46.65744(W) ADJUSTED AE9890* NAVD 88 - 6.66 (meters) 21.9 (feet) GPS OBS AE9890 ___________________________________________________________________ AE9890 EPOCH DATE - 2002.86 AE9890 X - -2,638,484.580 (meters) COMP AE9890 Y - -4,283,830.505 (meters) COMP AE9890 Z - 3,906,996.662 (meters) COMP AE9890 LAPLACE CORR- 2.00 (seconds) DEFLEC99 AE9890 ELLIP HEIGHT- -25.69 (meters) (10/28/05) GPS OBS AE9890 GEOID HEIGHT- -32.35 (meters) GEOID03 AE9890 AE9890 HORZ ORDER - FIRST AE9890 ELLP ORDER - FOURTH CLASS I AE9890 AE9890.The horizontal coordinates were established by GPS observations AE9890.and adjusted by the National Geodetic Survey in October 2005. AE9890.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AE9890.DATUM ITEM on the data sheet items page. AE9890.The horizontal coordinates are valid at the epoch date displayed above. AE9890.The epoch date for horizontal control is a decimal equivalence AE9890.of Year/Month/Day. AE9890 AE9890.The orthometric height was determined by GPS observations and a AE9890.high-resolution geoid model using precise GPS observation and AE9890.processing techniques. AE9890 AE9890.The X, Y, and Z were computed from the position and the ellipsoidal ht. AE9890 AE9890.The Laplace correction was computed from DEFLEC99 derived deflections. AE9890 AE9890.The ellipsoidal height was determined by GPS observations AE9890.and is referenced to NAD 83. AE9890 AE9890.The geoid height was determined by GEOID03. AE9890 AE9890; North East Units Scale Factor Converg. AE9890;SPC CA 3 - 669,061.982 1,900,814.604 MT 0.99993999 -0 41 29.7 AE9890;SPC CA 3 - 2,195,080.85 6,236,255.91 sFT 0.99993999 -0 41 29.7 AE9890;UTM 10 - 4,208,691.023 620,288.571 MT 0.99977821 +0 50 38.8 AE9890 AE9890! - Elev Factor x Scale Factor = Combined Factor AE9890!SPC CA 3 - 1.00000403 x 0.99993999 = 0.99994402 AE9890!UTM 10 - 1.00000403 x 0.99977821 = 0.99978224 AE9890 AE9890 SUPERSEDED SURVEY CONTROL AE9890 AE9890 NAD 83(1998)- 38 01 04.56554(N) 121 37 46.65601(W) AD(2000.86) B AE9890 ELLIP H (11/27/02) -25.67 (m) GP(2000.86) 4 1 AE9890 NAD 83(1992)- 38 01 04.56412(N) 121 37 46.65474(W) AD(1997.30) 1 AE9890 ELLIP H (07/10/98) -25.70 (m) GP(1997.30) 4 1 AE9890 NAD 83(1992)- 38 01 04.56370(N) 121 37 46.65509(W) AD(1997.30) 1 AE9890 ELLIP H (05/14/98) -25.61 (m) GP(1997.30) 3 1 AE9890 AE9890.Superseded values are not recommended for survey control. AE9890.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AE9890.See file dsdata.txt to determine how the superseded data were derived. AE9890 AE9890_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH2028908691(NAD 83) AE9890_MARKER: DD = SURVEY DISK AE9890_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AE9890_STAMPING: MOUND 1951 AE9890_MARK LOGO: CASLC AE9890_MAGNETIC: N = NO MAGNETIC MATERIAL AE9890_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AE9890+STABILITY: SURFACE MOTION AE9890_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AE9890+SATELLITE: SATELLITE OBSERVATIONS - August 17, 2004 AE9890 AE9890 HISTORY - Date Condition Report By AE9890 HISTORY - 1951 MONUMENTED CASLC AE9890 HISTORY - 20010115 GOOD FRAME AE9890 HISTORY - 20021221 GOOD CADWR AE9890 HISTORY - 20040817 GOOD BESTOR AE9890 AE9890 STATION DESCRIPTION AE9890 AE9890'DESCRIBED BY CALIFORNIA STATE LANDS COMMISSION 1951 (WO) AE9890'THE STATION IS LOCATED IN THE SOUTHEAST PORTION OF BETHEL ISLAND, 4.8 AE9890'MI (7.7 KM) EAST-NORTHEAST OF THE CITY OF OAKLEY, ON THE SOUTH TOP OF AE9890'A SAND HILL WHICH RISES ABOUT 40 FT (12.2 M) ABOVE THE SURROUNDING AE9890'AREA. THE EQUIPMENT MUST BE CARRIED TO THE STATION. TO REACH THE AE9890'STATION FROM THE INTERSECTION OF STATE HIGHWAY 4 AND CYPRESS ROAD IN AE9890'OAKLEY, GO EAST ON CYPRESS ROAD FOR 3.06 MI (4.92 KM) TO WHERE THE AE9890'PAVED ROAD TURNS LEFT (NORTH) AND BECOMES BETHEL ISLAND ROAD. FOLLOW AE9890'BETHEL ISLAND ROAD NORTH FOR 1.49 MI (2.40 KM) TO THE BETHEL ISLAND AE9890'BRIDGE OVER DUTCH SLOUGH. CONTINUE NORTH FOR 0.53 MI (0.85 KM) TO THE AE9890'INTERSECTION OF GATEWAY ROAD, JUST NORTH OF THE US POST OFFICE AT AE9890'BETHEL ISLAND. TURN RIGHT AND GO EAST ON GATEWAY ROAD FOR 0.57 MI AE9890'(0.92 KM) TO A DIRT DRIVEWAY ON THE RIGHT BELONGING TO WES ANDERSON AE9890'ENGINEERING, (209) 684-2080 M-F 8AM-12PM, 1PM-5PM. TURN RIGHT AND GO AE9890'SOUTH FOR 0.1 MI (0.2 KM) UNTIL THE DRIVEWAY STRAIGHTENS, AND PARK AT AE9890'A WOODEN H-BRACE IN THE FENCE ON THE LEFT. THE STATION IS A STANDARD AE9890'CALIFORNIA STATE LANDS COMMISSION 3-INCH DIAMETER BRASS SURVEY DISK AE9890'RECESSED IN THE TOP OF A 9 INCH DIAMETER CONCRETE MONUMENT WHICH AE9890'PROJECTS 0.33 FT (0.10 M) ABOVE THE GROUND. IT IS ABOUT 207 FT (63.1 AE9890'M) AT 72 DEGREES MAGNETIC FROM THE H-BRACE, ON TOP OF THE 40-FT HIGH AE9890'SAND HILL, AND NOT QUITE VISIBLE FROM THE ROAD. THE STATION IS 1.8 FT AE9890'(0.5 M) NORTH OF A WOODEN 4X4 POST STANDING 2 FT (0.6 M) HIGH THAT IS AE9890'MARKED WITH A TRIANGLE ON THE NORTH SIDE FACING THE STATION, AND 2.0 AE9890'FT (0.6 M) SOUTH OF A CARSONITE WITNESS POST. THE FOLLOWING REFERENCE AE9890'MARK DESCRIPTIONS WERE TAKEN FROM THE CALIFORNIA STATE LANDS AE9890'COMMISSION RECORDS. THE MARKS WERE NOT SEARCHED FOR. RM 1, A AE9890'STANDARD CALIFORNIA LANDS COMMISSION BRASS CAP, IS LOCATED 28 FT (8.5 AE9890'M) WEST OF THE CENTERLINE OF THE DRIVEWAY, 510 FT (155.4 M) SOUTH OF AE9890'THE CENTERLINE OF GATEWAY ROAD, AND 4 FT (1.2 M) EAST OF THE FENCE ON AE9890'THE WEST SIDE OF THE DRIVEWAY. THE CAP IS SET IN A 9 INCH DIAMETER AE9890'CONCRETE MONUMENT PROJECTING ABOUT 5 INCHES ABOVE THE GROUND, AND IS AE9890'INSCRIBED MOUND RM 1 1951. RM 2, A STANDARD CALIFORNIA LANDS AE9890'COMMISSION BRASS CAP, IS LOCATED 23 FT (7.0 M) WESTERLY FROM THE AE9890'CENTERLINE OF THE DRIVEWAY, 5 FT (1.5 M) EASTERLY OF THE FENCE AE9890'PARALLEL TO AND ON THE WEST SIDE OF THE DRIVEWAY, AND 275 FT (83.8 M) AE9890'NORTHERLY OF THE EASTERLY OF TWO TREES WEST OF THE DRIVEWAY. THE CAP AE9890'IS SET IN A 9 INCH DIAMETER CONCRETE MONUMENT PROJECTING ABOUT 5 AE9890'INCHES ABOVE THE GROUND AND IS INSCRIBED MOUND RM 2 1951. THE STATION AE9890'WAS OCCUPIED AS PART OF THE SAN JOAQUIN-SACRAMENTO RIVER DELTA AE9890'GPS/VERTICAL PROJECT. (RWK) AE9890 AE9890 STATION RECOVERY (2001) AE9890 AE9890'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) AE9890'RECOVERED AS DESCRIBED. AE9890 AE9890 STATION RECOVERY (2002) AE9890 AE9890'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AE9890'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR AE9890'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. AE9890 AE9890 STATION RECOVERY (2004) AE9890 AE9890'RECOVERY NOTE BY BESTOR ENGINEERS INCORPORATED 2004 (DT) AE9890'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AA3823 *********************************************************************** AA3823 HT_MOD - This is a Height Modernization Survey Station. AA3823 DESIGNATION - P3716+33.00 EBMUD AA3823 PID - AA3823 AA3823 STATE/COUNTY- CA/CONTRA COSTA AA3823 USGS QUAD - HONKER BAY (1980) AA3823 AA3823 *CURRENT SURVEY CONTROL AA3823 ___________________________________________________________________ AA3823* NAD 83(1998)- 38 01 19.49427(N) 121 56 29.83931(W) ADJUSTED AA3823* NAVD 88 - 31.24 (meters) 102.5 (feet) GPS OBS AA3823 ___________________________________________________________________ AA3823 EPOCH DATE - 2002.86 AA3823 X - -2,661,632.609 (meters) COMP AA3823 Y - -4,269,175.629 (meters) COMP AA3823 Z - 3,907,374.550 (meters) COMP AA3823 LAPLACE CORR- -1.54 (seconds) DEFLEC99 AA3823 ELLIP HEIGHT- -0.88 (meters) (10/28/05) GPS OBS AA3823 GEOID HEIGHT- -32.12 (meters) GEOID03 AA3823 AA3823 HORZ ORDER - FIRST AA3823 ELLP ORDER - FOURTH CLASS I AA3823 AA3823.The horizontal coordinates were established by GPS observations AA3823.and adjusted by the National Geodetic Survey in October 2005. AA3823.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AA3823.DATUM ITEM on the data sheet items page. AA3823.The horizontal coordinates are valid at the epoch date displayed above. AA3823.The epoch date for horizontal control is a decimal equivalence AA3823.of Year/Month/Day. AA3823 AA3823.The orthometric height was determined by GPS observations and a AA3823.high-resolution geoid model using precise GPS observation and AA3823.processing techniques. AA3823 AA3823.The X, Y, and Z were computed from the position and the ellipsoidal ht. AA3823 AA3823.The Laplace correction was computed from DEFLEC99 derived deflections. AA3823 AA3823.The ellipsoidal height was determined by GPS observations AA3823.and is referenced to NAD 83. AA3823 AA3823.The geoid height was determined by GEOID03. AA3823 AA3823; North East Units Scale Factor Converg. AA3823;SPC CA 3 - 669,898.507 1,873,429.325 MT 0.99994033 -0 52 57.4 AA3823;SPC CA 3 - 2,197,825.35 6,146,409.38 sFT 0.99994033 -0 52 57.4 AA3823;UTM 10 - 4,208,793.570 592,896.175 MT 0.99970628 +0 39 07.1 AA3823 AA3823! - Elev Factor x Scale Factor = Combined Factor AA3823!SPC CA 3 - 1.00000014 x 0.99994033 = 0.99994047 AA3823!UTM 10 - 1.00000014 x 0.99970628 = 0.99970642 AA3823 AA3823 SUPERSEDED SURVEY CONTROL AA3823 AA3823 NAD 83(1998)- 38 01 19.49389(N) 121 56 29.83772(W) AD(2000.86) B AA3823 ELLIP H (11/27/02) -0.84 (m) GP(2000.86) 4 1 AA3823 NAD 83(1992)- 38 01 19.49230(N) 121 56 29.83642(W) AD(1997.30) 1 AA3823 ELLIP H (07/10/98) -0.89 (m) GP(1997.30) 4 1 AA3823 NAD 83(1992)- 38 01 19.49183(N) 121 56 29.83662(W) AD(1997.30) 1 AA3823 ELLIP H (03/20/98) -0.80 (m) GP(1997.30) 3 2 AA3823 NAD 83(1992)- 38 01 19.48909(N) 121 56 29.83257(W) AD(1991.35) 1 AA3823 ELLIP H (09/29/94) -0.79 (m) GP(1991.35) 4 2 AA3823 AA3823.Superseded values are not recommended for survey control. AA3823.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA3823.See file dsdata.txt to determine how the superseded data were derived. AA3823 AA3823_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH9289608794(NAD 83) AA3823_MARKER: DD = SURVEY DISK AA3823_SETTING: 40 = SET IN A LARGE STRUCTURE WITH DEEP FOUNDATIONS AA3823_SP_SET: AQUEDUCT SUPPORT STRUCTURE AA3823_STAMPING: P3716+33.00 1991 AA3823_MARK LOGO: EBMUD AA3823_MAGNETIC: N = NO MAGNETIC MATERIAL AA3823_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD AA3823+STABILITY: POSITION/ELEVATION WELL AA3823_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA3823+SATELLITE: SATELLITE OBSERVATIONS - June 17, 2004 AA3823 AA3823 HISTORY - Date Condition Report By AA3823 HISTORY - 1991 MONUMENTED EBMUD AA3823 HISTORY - 19931021 GOOD CADT AA3823 HISTORY - 20010116 GOOD FRAME AA3823 HISTORY - 20021203 GOOD CADWR AA3823 HISTORY - 20040617 GOOD CADWR AA3823 AA3823 STATION DESCRIPTION AA3823 AA3823'DESCRIBED BY CALTRANS 1993 (DAN) AA3823'THE STATION IS LOCATED NEAR THE INTERSECTION OF STATE HIGHWAY 4 AND AA3823'BAILEY ROAD IN WEST PITTSBURG IN THE EAST BAY MUNICIPAL UTILITY AA3823'DISTRICT (EBMUD) MOKELUMNE AQUEDUCT RIGHT-OF-WAY, ABOUT 6 MI (9.7 KM) AA3823'NORTHEAST OF THE CITY OF CONCORD. AA3823' AA3823'TO REACH THE STATION FROM THE INTERSECTION OF STATE HIGHWAY 4 AND AA3823'BAILEY ROAD, GO NORTH ON BAILEY ROAD FOR 0.15 MI (0.24 KM) TO THE AA3823'INTERSECTION WITH CANAL ROAD. CONTINUE NORTH ON BAILEY ROAD FOR ABOUT AA3823'200 FT (61.0 M) TO THE STATION ON THE RIGHT IN A LARGE CONCRETE AA3823'STRUCTURE IN THE MOKELUMNE AQUEDUCT RIGHT-OF-WAY. AA3823' AA3823'THE STATION IS A 3 INCH BRASS DISK EPOXIED IN A DRILL HOLE IN A 7.3 FT AA3823'(2.2 M) BY 7.3 FT (2.2 M) CONCRETE STRUCTURE WHICH IS FLUSH WITH THE AA3823'GROUND. THE CONCRETE STRUCTURE IS TIED INTO A MASSIVE PIPE STRUCTURE AA3823'MORE THAN 10 FT (3.0 M) BELOW THE SURFACE. IT IS ABOUT 201 FT (61.3 M) AA3823'NORTHEAST OF THE INTERSECTION OF BAILEY ROAD AND CANAL ROAD, 93.9 FT AA3823'(28.6 M) SOUTH OF A 6 FT (1.8 M) SOUNDWALL ON THE NORTH SIDE OF THE AA3823'RIGHT-OF-WAY, 84.1 FT (25.6 M) NORTH OF A 6 FT (1.8 M) CHAIN LINK AA3823'FENCE ON THE SOUTH SIDE OF THE RIGHT-OF-WAY, AND 27.5 FT (8.4 M) EAST AA3823'OF THE BACK OF THE SIDEWALK ON THE EAST SIDE OF BAILEY ROAD. AA3823' AA3823'THIS STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION AA3823'SURVEY IN 1993. AA3823 AA3823 STATION RECOVERY (2001) AA3823 AA3823'RECOVERY NOTE BY FRAME SURVEYING AND MAPPING 2001 (JHF) AA3823'RECOVERED AS DESCRIBED. AA3823 AA3823 STATION RECOVERY (2002) AA3823 AA3823'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AA3823'RECOVERED AS DESCRIBED WITH THE FOLLOWING ADDITIONAL NOTES. FROM STATE AA3823'HWY 4, DRIVE NORTH ON BAILEY ROAD FOR 0.15 MI, PASSING THE AA3823'INTERSECTION FOR CANAL ROAD EAST, TO THE INTERSECTION WITH CANAL ROAD AA3823'WEST. THE STATION IS JUST NORTH OF THE BEL AIR BIKE TRAIL, ALONG THE AA3823'AQUEDUCT. THE STATION WAS OBSERVED AS PART OF THE DWR DELTA 2002 AA3823'SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY. AA3823 AA3823 STATION RECOVERY (2004) AA3823 AA3823'RECOVERY NOTE BY CA DEPT OF WATER RES 2004 (NRB) AA3823'FOUND GOOD CONDITION (GPS ABLE) 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2005 AE9875 *********************************************************************** AE9875 HT_MOD - This is a Height Modernization Survey Station. AE9875 DESIGNATION - WEBB AE9875 PID - AE9875 AE9875 STATE/COUNTY- CA/CONTRA COSTA AE9875 USGS QUAD - JERSEY ISLAND (1978) AE9875 AE9875 *CURRENT SURVEY CONTROL AE9875 ___________________________________________________________________ AE9875* NAD 83(1998)- 38 03 29.77178(N) 121 38 50.24865(W) ADJUSTED AE9875* NAVD 88 - -0.89 (meters) -2.9 (feet) GPS OBS AE9875 ___________________________________________________________________ AE9875 EPOCH DATE - 2002.86 AE9875 X - -2,638,354.584 (meters) COMP AE9875 Y - -4,280,663.345 (meters) COMP AE9875 Z - 3,910,518.146 (meters) COMP AE9875 LAPLACE CORR- 2.27 (seconds) DEFLEC99 AE9875 ELLIP HEIGHT- -33.23 (meters) (10/28/05) GPS OBS AE9875 GEOID HEIGHT- -32.35 (meters) GEOID03 AE9875 AE9875 HORZ ORDER - FIRST AE9875 ELLP ORDER - FOURTH CLASS I AE9875 AE9875.The horizontal coordinates were established by GPS observations AE9875.and adjusted by the National Geodetic Survey in October 2005. AE9875.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AE9875.DATUM ITEM on the data sheet items page. AE9875.The horizontal coordinates are valid at the epoch date displayed above. AE9875.The epoch date for horizontal control is a decimal equivalence AE9875.of Year/Month/Day. AE9875 AE9875.The orthometric height was determined by GPS observations and a AE9875.high-resolution geoid model using precise GPS observation and AE9875.processing techniques. AE9875 AE9875.The X, Y, and Z were computed from the position and the ellipsoidal ht. AE9875 AE9875.The Laplace correction was computed from DEFLEC99 derived deflections. AE9875 AE9875.The ellipsoidal height was determined by GPS observations AE9875.and is referenced to NAD 83. AE9875 AE9875.The geoid height was determined by GEOID03. AE9875 AE9875; North East Units Scale Factor Converg. AE9875;SPC CA 3 - 673,557.323 1,899,318.579 MT 0.99994351 -0 42 08.7 AE9875;SPC CA 3 - 2,209,829.32 6,231,347.70 sFT 0.99994351 -0 42 08.7 AE9875;UTM 10 - 4,213,143.908 618,672.849 MT 0.99977345 +0 50 02.4 AE9875 AE9875! - Elev Factor x Scale Factor = Combined Factor AE9875!SPC CA 3 - 1.00000521 x 0.99994351 = 0.99994872 AE9875!UTM 10 - 1.00000521 x 0.99977345 = 0.99977866 AE9875 AE9875 SUPERSEDED SURVEY CONTROL AE9875 AE9875 NAD 83(1992)- 38 03 29.76975(N) 121 38 50.24593(W) AD(1997.30) 1 AE9875 ELLIP H (07/10/98) -33.16 (m) GP(1997.30) 4 1 AE9875 NAD 83(1992)- 38 03 29.76933(N) 121 38 50.24634(W) AD(1997.30) 1 AE9875 ELLIP H (05/14/98) -33.07 (m) GP(1997.30) 3 1 AE9875 AE9875.Superseded values are not recommended for survey control. AE9875.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AE9875.See file dsdata.txt to determine how the superseded data were derived. AE9875 AE9875_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH1867313144(NAD 83) AE9875_MARKER: DD = SURVEY DISK AE9875_SETTING: 50 = ALUMINUM ALLOY ROD W/O SLEEVE (10 FT.+) AE9875_STAMPING: WEBB 1997 AE9875_MARK LOGO: BOR AE9875_PROJECTION: FLUSH AE9875_MAGNETIC: N = NO MAGNETIC MATERIAL AE9875_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AE9875_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AE9875+SATELLITE: SATELLITE OBSERVATIONS - November 05, 2002 AE9875_ROD/PIPE-DEPTH: 10.0 meters AE9875 AE9875 HISTORY - Date Condition Report By AE9875 HISTORY - 1997 MONUMENTED BOR AE9875 HISTORY - 20021105 GOOD CADWR AE9875 AE9875 STATION DESCRIPTION AE9875 AE9875'DESCRIBED BY US BUREAU OF RECLAMATION 1997 (DWS) AE9875'THE STATION IS ABOUT 6.85 MI (11.02 KM) SOUTHEAST OF RIO VISTA AND AE9875'ABOUT 5.6 MI (9.0 KM) NORTHEAST OF OAKLEY. TO REACH THE STATION FROM AE9875'THE CITY OF OAKLEY, GO EAST ON STATE HIGHWAY 4 FOR ABOUT 1 MI (1.6 KM) AE9875'TO THE INTERSECTION OF CYPRESS ROAD. TURN LEFT AND GO EAST ON CYPRESS AE9875'ROAD FOR 2.1 MI (3.4 KM) TO THE T-INTERSECTION OF JERSEY ISLAND ROAD AE9875'ON THE LEFT. TURN LEFT ONTO JERSEY ISLAND ROAD AND GO NORTHERLY FOR AE9875'1.5 MI (2.4 KM) TO A CONCRETE BRIDGE OVER DUTCH SLOUGH. CONTINUE AE9875'NORTHERLY 1.32 MI (2.12 KM) TO A SIDE ROAD RIGHT (THE CONTINUATION OF AE9875'JERSEY ISLAND ROAD) , A SHARP RIGHT TURN TO THE NORTHEAST. TURN RIGHT AE9875'AND FOLLOW THE ROAD FOR ANOTHER 3.6 MI (5.8 KM) TO A FERRY LANDING. AE9875'TAKE THE FERRY TO WEBB TRACT. UPON LEAVING THE FERRY ON WEBB TRACT, AE9875'TURN LEFT AND FOLLOW THE TRACK ROAD ALONG THE LEVEE WEST-NORTHWEST AND AE9875'NORTH PAST AN OLD METAL BUILDING. JUST PAST THE POINT WHERE THE ROAD AE9875'TURNS RIGHT AND GOES NORTH, THERE IS A TRACK ROAD RIGHT THAT EXITS THE AE9875'LEVEE FOR THE PURPOSE OF BEING ABLE TO TURN A VEHICLE AROUND AND AE9875'TRAVERSING THE LEVEE IN THE OPPOSITE DIRECTION. THE STATION IS AT THE AE9875'TOE OF, AND ON THE EAST SIDE OF THE NORTH-SOUTH LEVEE. IT IS 68 FT AE9875'(20.7 M) EAST OF THE CENTERLINE OF THE NORTH-SOUTH LEVEE, 6.2 FT (1.9 AE9875'M) SOUTHEAST OF A LEANING POWER POLE, AND 1 FT (0.3 M) SOUTH OF A AE9875'CARSONITE WITNESS POST. THE STATION IS A 2 1/2 INCH DIAMETER ALUMINUM AE9875'ALLOY DOMED CAP WITH MAGNET, SET 0.2 FT (0.1 M) BELOW GROUND, ATTACHED AE9875'TO AN ALUMINUM ROD DRIVEN 18 FT (5.5 M) TO REFUSAL, ENCASED IN A SAND AE9875'FILLED 4-INCH DIAMETER PVC PIPE SET TO A DEPTH OF 4 FT (1.2 M) IN A 1 AE9875'FT (0.3 M) DIAMETER CONCRETE-FILLED HOLE 4 FT (1.2 M) DEEP. THE AE9875'STATION WAS OCCUPIED AS PART OF THE SAN JOAQUIN-SACRAMENTO RIVER DELTA AE9875'GPS/VERTICAL PROJECT. AE9875 AE9875 STATION RECOVERY (2002) AE9875 AE9875'RECOVERY NOTE BY CA DEPT OF WATER RES 2002 (WLB) AE9875'RECOVERED AS DESCRIBED. THE STATION WAS OBSERVED AS PART OF THE DWR AE9875'DELTA 2002 SUBSIDENCE NETWORK HEIGHT MODERNIZATION SURVEY.