U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Datums Page Page 1 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) To reach the tidal bench marks proceed north along Highway 17/80 (Eastshore Highway), exit at University Avenue, west to Marina Boulevard (0.8 km (0.5 mi) west of freeway), then 30.48 m (100.0 ft) beyond Marina Boulevard, turn south into dirt parking area. Tide tide gage and staff were located on seawall between two boat houses at the City of Berkeley Marina, South Basin. T I D A L B E N C H M A R K S
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 2 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) T I D A L B E N C H M A R K S PRIMARY BENCH MARK STAMPING: DESIGNATION: 941 4816 CITY MONUMENT 1 ALIAS: NO STAMPING 1 MONUMENTATION: See descriptive text VM#: 8419 AGENCY: City of Berkeley IDB PID#: SETTING CLASSIFICATION: Street OPUS PID: LATITUDE: 37° 51.8' N ( 37.86330) LONGITUDE: 122° 18.7' W (-122.31200) The primary bench mark is a City of Berkeley bronze pin set on street, below a monument cover marked "City Monument", located near the intersection of University Avenue and entrance to Angel Island, Tiburon Ferry Dock, 229 m (750 ft) east of first lamp post west of intersection, 12.13 m (39.8 ft) south of University Avenue centerline and projected centerline of Angel Dock Entrance, 1.77 m (5.8 ft) SE of centerline of University Avenue, and 0.15 m (0.5 ft) below cover.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 3 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) T I D A L B E N C H M A R K S BENCH MARK STAMPING: DESIGNATION: 941 4816 CITY MONUMENT 2 ALIAS: NO STAMPING 2 MONUMENTATION: See descriptive text VM#: 8420 AGENCY: City of Berkeley IDB PID#: SETTING CLASSIFICATION: Street OPUS PID: LATITUDE: 37° 51.8' N ( 37.86330) LONGITUDE: 122° 18.7' W (-122.31200) The bench mark is a City of Berkeley bronze pin set on the street, below a monument cover marked "City Monument", located at the "T" intersection of University Avneue and Marina Boulevard, 267 m (875 ft) NE of sign marking entrance of Berkeley Marina, 11 m (35 ft) south of a lamp post at beginning of Marina Boulevard, 8 m (25 ft) east of sidewalk curb, and 0.15 m (0.5 ft) below cover.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 4 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) T I D A L B E N C H M A R K S BENCH MARK STAMPING: DESIGNATION: 941 4816 CITY MONUMENT 3 ALIAS: NO STAMPING 3 MONUMENTATION: See descriptive text VM#: 8421 AGENCY: City of Berkeley IDB PID#: SETTING CLASSIFICATION: Street OPUS PID: LATITUDE: 37° 51.8' N ( 37.86330) LONGITUDE: 122° 18.7' W (-122.31200) The bench mark is a City of Berkeley bronze pin set in street, below a monument cover marked "City Monument", located on the centerline of Seawall Drive and the projected centerline of the two-way portion of University Avenue, 38 m (125 ft) east of intersection of Berkeley pier with shore, 15 m (50 ft) south of a lightpole, and 0.15 m (0.5 ft) below level of street.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 5 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) T I D A L B E N C H M A R K S BENCH MARK STAMPING: YACHT 1947 DESIGNATION: YACHT MONUMENTATION: Horizontal Station disk VM#: 8422 AGENCY: US Coast and Geodetic Survey (USC&GS) IDB PID#: HT2935 SETTING CLASSIFICATION: Concrete monument OPUS PID: LATITUDE: 37° 51.8' N ( 37.86330) LONGITUDE: 122° 19.0' W (-122.31700) The bench mark is a disk set in a concrete monument under a 0.5 m (1.5 ft) by 0.5 m (1.5 ft) cast iron lid in an asphalt area located at the southern corner of the Berkeley Marina, 87 m (285 ft) east of Seawall Drive, 73 m (240 ft) north of University Avenue, 23 m (75 ft) north of the NW corner of the parking lot, 21 m ( 70 ft) east of the east edge of another parking lot, 6 m (20 ft) south of the center of a 1 m (4 ft) diameter manhole cover, 3 m (10 ft) east of a 2 m (5 ft) high metal transformer box, 0.76 m (2.5 ft) west of a fire hydrant, and 0.46 m (1.5 ft) below the surface.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 6 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) T I D A L B E N C H M A R K S BENCH MARK STAMPING: 10 1947 DESIGNATION: TIDAL 10 STA III 20 MONUMENTATION: Bench Mark disk VM#: 8423 AGENCY: US Coast and Geodetic Survey (USC&GS) IDB PID#: HT0987 SETTING CLASSIFICATION: Concrete base for a viaduct support OPUS PID: LATITUDE: 37° 52.0' N ( 37.86670) LONGITUDE: 122° 18.1' W (-122.30200) The bench mark is a disk set in top of NE corner of the concrete base for center support of viaduct located at SE edge of 2nd Street, at intersection of Second Street, under University Avenue vaiduct, 161 m (528 ft) SW of Southern Pacific Company railroad station, and 0.27 m (0.9 ft) above street.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 7 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) T I D A L B E N C H M A R K S BENCH MARK STAMPING: C 558 1956 DESIGNATION: C 558 MONUMENTATION: Bench Mark disk VM#: 8424 AGENCY: US Coast and Geodetic Survey (USC&GS) IDB PID#: HT0985 SETTING CLASSIFICATION: Column concrete base OPUS PID: LATITUDE: 37° 52.1' N ( 37.86830) LONGITUDE: 122° 18.0' W (-122.30000) The bench mark is a disk set in top of NW corner of north one of two concrete bases for the concrete column supporting the University Avenue vaiduct, 46 m (150 ft) NE of Southern Pacific Company railroad station, 32.46 m (106.5 ft) east of centerline of Third Street, and 0.3 m (1 ft) above asphalt parking lot.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 8 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) T I D A L D A T U M S Tidal datums at BERKELEY,S.F.BAY based on: LENGTH OF SERIES: 2 MONTHS TIME PERIOD: July 1979 - August 1979 TIDAL EPOCH: 1983-2001 CONTROL TIDE STATION: 9414290 SAN FRANCISCO, SAN FRANCISCO BAY Elevations of tidal datums referred to Mean Lower Low Water (MLLW), in METERS: MEAN HIGHER HIGH WATER MHHW = 1.860 MEAN HIGH WATER MHW = 1.672 MEAN TIDE LEVEL MTL = 1.010 MEAN SEA LEVEL MSL = 1.000 MEAN LOW WATER MLW = 0.347 MEAN LOWER LOW WATER MLLW = 0.000 North American Vertical Datum NAVD88 = -0.040 North American Vertical Datum (NAVD88) Bench Mark Elevation Information In METERS above: Stamping or Designation MLLW MHW 941 4816 CITY MONUMENT 1 3.623 1.951 941 4816 CITY MONUMENT 2 3.264 1.592 941 4816 CITY MONUMENT 3 4.335 2.663 YACHT 1947 3.349 1.677 10 1947 3.684 2.012 C 558 1956 5.156 3.484
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 9 of 9 Station ID: 9414816 PUBLICATION DATE: 03/09/2004 Name: BERKELEY,S.F.BAY CA NOAA Chart: 18649 Latitude: 37° 51.9' N ( 37.86500) USGS Quad: OAKLAND WEST Longitude: 122° 18.4' W (-122.30700) D E F I N I T I O N S Mean Sea Level (MSL) is a tidal datum determined over a 19-year National Tidal Datum Epoch. It pertains to local mean sea level and should not be confused with the fixed datums of North American Vertical Datum of 1988 (NAVD88). NAVD88 is a fixed datum derived from a simultaneous, least squares, minimum constraint adjustment of Canadian/Mexican/United States leveling observations. Local mean sea level observed at Father Point/Rimouski, Canada was held fixed as the single initial constraint. NAVD88 replaces NGVD29 as the national standard geodetic reference for heights. Bench mark elevations relative to NAVD88 are available from NGS through the World Wide Web at National Geodetic Survey. NGVD29 is a fixed datum adopted as a national standard geodetic reference for heights but is now considered superseded. NGVD29 is sometimes referred to as Sea Level Datum of 1929 or as Mean Sea Level on some early issues of Geological Survey Topographic Quads. NGVD29 was originally derived from a general adjustment of the first-order leveling networks of the U.S. and Canada after holding mean sea level observed at 26 long term tide stations as fixed. Numerous local and wide-spread adjustments have been made since establishment in 1929. Bench mark elevations relative to NGVD29 are available from the National Geodetic Survey (NGS) data base via the World Wide Web at National Geodetic Survey. NAVD88 and NGVD29 are fixed geodetic datums whose elevation relationships to local MSL and other tidal datums may not be consistent from one location to another. The Vertical Mark Number (VM#) and PID# shown on the bench mark sheet are unique identifiers for bench marks in the tidal and geodetic databases, respectively. Each bench mark in either database has a single, unique VM# and/or PID# assigned. Where both VM# and PID# are indicated, both tidal and geodetic elevations are available for the bench mark listed. The NGS's Integrated Data Base (IDB PID) provides geodetic datum based on traditionally leveled and bluebooked ties to the National Spatial Reference System(NSRS) https://www.ngs.noaa.gov/datasheets/. The NGS Online Positioning User Service (OPUS PID) provides geodetic datum based on GPS position & tie it to the NSRS https://www.ngs.noaa.gov/OPUS/. The NAVD88 elevation is shown on the Elevations of Tidal Datums Table Referred to MLLW only when two or more of the bench marks listed have NAVD88 elevations. The NAVD88 elevation relationship shown in the table is derived from an average of several bench mark elevations relative to tide station datum. As a result of this averaging, NAVD88 bench mark elevations computed indirectly from the tidal datums elevation table may differ slightly from NAVD88 elevations listed for each bench mark in the NGS database.