U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Datums Page Page 1 of 7 Station ID: 9410196 PUBLICATION DATE: 08/11/2017 Name: MISSION BAY CA NOAA Chart: 18765 Latitude: 32° 47.6' N ( 32.79372) USGS Quad: LA JOLLA Longitude: 117° 13.4' W (-117.22378) To reach the tide station from exit 23A on I-5 North, exit I-5 North towards Grand Avenue / Garnet Avenue and proceed north 0.5 km (0.3 mi), merge onto Mission Bay Drive and continue 0.3 km (0.2 mi) NW to the fork where Grand Avenue splits to the left, turn left onto Grand Avenue and proceed west 1.3km (0.8 mi) to the intersection with Olney Street, turn left onto Olney Street and proceed 0.5 km (0.3 mi) south to the T intersection with Pacific Beach Drive, turn left and proceed 0.1 km (0.1 mi) east on Pacific Beach Drive to the entrance to Campland on the Bay on the right. The tide station is at the marina and the bench marks are in the RV park and along Pacific Beach Drive and bike trail. T I D A L B E N C H M A R K S PRIMARY BENCH MARK STAMPING: 0196 D 2017 DESIGNATION: 941 0196 D MONUMENTATION: Bench Mark disk VM#: 22231 AGENCY: National Ocean Service (NOS) IDB PID#: SETTING CLASSIFICATION: Concrete bridge deck OPUS PID#: BBFL84 LATITUDE: 32° 47.9' N ( 32.79800) LONGITUDE: 117° 13.3' W (-117.22136) The primary bench mark is a disk set in the west end of a concrete bridge for the bike path over Rose Inlet, 12.40 m (40.7 ft) south of a corner of a wooden fence, 10.40 m (34.1 ft) east of a light pole on north side of the path, 4.25 m (13.9 ft) south of the edge of a curb along the north side of the path, 2.03 m (6.7 ft) south of the centerline of the path, 0.86 m (2.8 ft) west of the corner of a concrete curb along the south side of the bridge, and 0.12 m (0.4 ft) north of the edge of the concrete path.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 2 of 7 Station ID: 9410196 PUBLICATION DATE: 08/11/2017 Name: MISSION BAY CA NOAA Chart: 18765 Latitude: 32° 47.6' N ( 32.79372) USGS Quad: LA JOLLA Longitude: 117° 13.4' W (-117.22378) T I D A L B E N C H M A R K S BENCH MARK STAMPING: 0196 A 2017 DESIGNATION: 941 0196 A MONUMENTATION: Bench Mark disk VM#: 22232 AGENCY: National Ocean Service (NOS) IDB PID#: SETTING CLASSIFICATION: Concrete base for a flagpole OPUS PID: LATITUDE: 32° 47.7' N ( 32.79425) LONGITUDE: 117° 13.4' W (-117.22392) The mark is a disk set in the concrete base of a flagpole in between two palm trees at a marina, 28.70 m (94.2 ft) SE of the NE corner of the marina building, 7.01 m (23.0 ft) east of the SE corner of the marina building, 4.27 m (14.0 ft) SE of the closest edge of a curb around trees in a paved area east of the marina building, 2.71 m (8.9 ft) NE of the SW palm tree, 2.21 m (7.3 ft) SW of the NE palm tree, 1.01 m (3.3 ft) north of the edge of a curb at the top of rip-rap above the water edge, and about 0.07 m (0.2 ft) higher than the parking lot. BENCH MARK STAMPING: 0196 B 2017 DESIGNATION: 941 0196 B MONUMENTATION: Bench Mark disk VM#: 22233 AGENCY: National Ocean Service (NOS) IDB PID#: SETTING CLASSIFICATION: Concrete base for flag pole OPUS PID: LATITUDE: 32° 47.8' N ( 32.79633) LONGITUDE: 117° 13.5' W (-117.22481) The mark is a disk set in the concrete base of a flag pole, 18.90 m (62.0 ft) east of the SE corner of a guard shack, 11.50 m (37.7 ft) NNE of the edge of the curb along the west side of the entrance road, 3.57 m (11.7 ft) SSW of the center of a junction box in the pavement, 3.12 m (10.2 ft) WSW of the NE corner of the building, 2.34 m (7.7 ft) NW of the SW corner of the building, and 1.93 m (6.3 ft) SE of the edge of a curb at the NW point in the front of the office.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 3 of 7 Station ID: 9410196 PUBLICATION DATE: 08/11/2017 Name: MISSION BAY CA NOAA Chart: 18765 Latitude: 32° 47.6' N ( 32.79372) USGS Quad: LA JOLLA Longitude: 117° 13.4' W (-117.22378) T I D A L B E N C H M A R K S BENCH MARK STAMPING: 0196 C 2017 DESIGNATION: 941 0196 C MONUMENTATION: Bench Mark disk VM#: 22234 AGENCY: National Ocean Service (NOS) IDB PID#: SETTING CLASSIFICATION: Low concrete wall OPUS PID: LATITUDE: 32° 47.8' N ( 32.79656) LONGITUDE: 117° 13.4' W (-117.22303) The mark is a disk set in a low concrete wall on the south side of the skate park inside of a locked gate, 21.10 m (69.2 ft) ENE of the west access gate to the skate park, 17.01 m (55.8 ft) SSW of a light post near the NE corner of the skate park, 10.40 m (34.1 ft) east of a light post near the SW corner of skate park, 5.85 m (19.2 ft) SW of a light post near the SE corner of the skate park, 4.45 m (14.6 ft) north of the centerline of the road, 2.14 m (7.0 ft) WSW of the south end of the low concrete wall on the east side of gate, 0.25 m (0.8 ft) north of south end of a low concrete wall, and about 0.37 m (1.2 ft) higher than the ground.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 4 of 7 Station ID: 9410196 PUBLICATION DATE: 08/11/2017 Name: MISSION BAY CA NOAA Chart: 18765 Latitude: 32° 47.6' N ( 32.79372) USGS Quad: LA JOLLA Longitude: 117° 13.4' W (-117.22378) T I D A L B E N C H M A R K S BENCH MARK STAMPING: 0196 E 2017 DESIGNATION: 941 0196 E MONUMENTATION: Bench Mark disk VM#: 22235 AGENCY: National Ocean Service (NOS) IDB PID#: SETTING CLASSIFICATION: Concrete bridge deck OPUS PID: LATITUDE: 32° 47.9' N ( 32.79822) LONGITUDE: 117° 13.2' W (-117.22036) The bench mark is a disk set in the east end of a concrete bridge for the bike path over Rose Inlet, 33.40 m (109.6 ft) west of a warning sign at the west end of the traffic island filled with stones, 10.40 m (34.1 ft) SW of a light post, 4.15 m (13.6 ft) south of a concrete curb on the north side of a path, 3.65 m (12.0 ft) east of the east end of a metal bridge railing, 1.94 m (6.4 ft) south of the centerline of path, and 0.21 m (0.7 ft) north of the north edge of a concrete curb.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 5 of 7 Station ID: 9410196 PUBLICATION DATE: 08/11/2017 Name: MISSION BAY CA NOAA Chart: 18765 Latitude: 32° 47.6' N ( 32.79372) USGS Quad: LA JOLLA Longitude: 117° 13.4' W (-117.22378) T I D A L B E N C H M A R K S BENCH MARK STAMPING: DESIGNATION: 0915 MONUMENTATION: Bench Mark disk VM#: 22236 AGENCY: IDB PID#: SETTING CLASSIFICATION: Disk set into concrete under triangular steel monument cover OPUS PID: LATITUDE: 32° 47.8' N ( 32.79658) LONGITUDE: 117° 13.7' W (-117.22814) The benchmark is a 6 cm (2 inch) disk set in concrete under a triangular steel monument cover in the intersection of Pacific Beach Dr and Olney St, 16.67 m (54.7 ft) SW of the stop sign for Pacific Beach Dr west bound traffic, 16.55 m (54.3 ft) SE of a light pole at the NE corner of the intersection, 12.59 m (41.3 ft) south of the center of a concrete drainage on the east side of Olney St, 4.45 m (14.6 ft) NE of the NE corner of sidewalk along the south side of Pacific Beach Dr, and 0.15 m (0.5 ft) lower than the street. Note: There is no logo on the disk.
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 6 of 7 Station ID: 9410196 PUBLICATION DATE: 08/11/2017 Name: MISSION BAY CA NOAA Chart: 18765 Latitude: 32° 47.6' N ( 32.79372) USGS Quad: LA JOLLA Longitude: 117° 13.4' W (-117.22378) T I D A L D A T U M S Tidal datums at MISSION BAY based on: LENGTH OF SERIES: 3 MONTHS TIME PERIOD: February 2017 - April 2017 TIDAL EPOCH: 1983-2001 CONTROL TIDE STATION: 9410170 SAN DIEGO, SAN DIEGO BAY Elevations of tidal datums referred to Mean Lower Low Water (MLLW), in METERS: MEAN HIGHER HIGH WATER MHHW = 1.661 MEAN HIGH WATER MHW = 1.439 MEAN TIDE LEVEL MTL = 0.858 MEAN SEA LEVEL MSL = 0.856 MEAN LOW WATER MLW = 0.276 MEAN LOWER LOW WATER MLLW = 0.000 North American Vertical Datum (NAVD88) Bench Mark Elevation Information In METERS above: Stamping or Designation MLLW MHW 0196 D 2017 5.077 3.638 0196 A 2017 3.292 1.853 0196 B 2017 4.969 3.530 0196 C 2017 6.328 4.889 0196 E 2017 3.917 2.478 0915 3.299 1.860
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Page 7 of 7 Station ID: 9410196 PUBLICATION DATE: 08/11/2017 Name: MISSION BAY CA NOAA Chart: 18765 Latitude: 32° 47.6' N ( 32.79372) USGS Quad: LA JOLLA Longitude: 117° 13.4' W (-117.22378) 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.