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Details for Benchmark: SY3577

N 47° 36.967 W 122° 07.564 (NAD 83)

Altitude: 443

Coordinates may not be exact. Altitude is VERTCON and location is ADJUSTED. (more info)

Location:
In KING county, WA View Original Datasheet
Designation:
RICH
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

Reference Points

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I think I found this today. My camera phone didn't take a good quality picture so I can't check the reference marks to be sure. Next time I am there I will get a better picture with my digital camera.

[Photos:]
photoCamera Phone picture.

Documented History (by the NGS)

01/01/1973 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 (JLC) THE STATION IS LOCATED ABOUT 2 MILES EAST OF THE CENTER OF BELLEVUE, ON THE PROPERTY OF THE CITY OF BELLEVUE DEPARTMENT OF UTILITIES. IT IS IN THE NE 1/4 SEC 35, T25N, R5E. PERMISSION WAS GRANTED BY MR. J.W. TENNANT, MANAGER OF THE DISTRICT. HIS PHONE NUMBER IS SH6-5450. TO REACH THE STATION FROM INTERSTATE HIGHWAY 405 AND NE 8TH ST IN BELLEVUE, GO EAST ON NE 8TH ST FOR 2.95 MILES TO THE ENTRANCE TO THE CITY OF BELLEVUE DEPARTMENT OF UTILITIES ON THE RIGHT. TURN RIGHT, PASSING THROUGH A GATE, AND GO SOUTH ALONG THE EAST SIDE OF THE BUILDINGS FOR 0.05 MILE TO THE STATION. THE STATION MARKS ARE STANDARD DISKS STAMPED RICH 1973. THE SURFACE DISK IS SET IN THE TOP OF A ROUND CONCRETE MONUMENT WHICH IS 12 INCHES IN DIAMETER AND FLUSH WITH THE GROUND SURFACE. IT IS 83 FEET EAST-NORTHEAST OF THE SOUTHWEST FENCE CORNER, 46 FEET WEST-NORTHWEST OF THE SOUTHEAST FENCE CORNER, 27 FEET EAST-SOUTHEAST OF THE SOUTHEAST CORNER OF A WOODEN STORAGE BUILDING AND 15.8 FEET SOUTH-SOUTHEAST OF THE SOUTHEAST CORNER OF A 20 FOOT SQUARE CONCRETE SLAB. THE UNDERGROUND DISK IS 36 INCHES BELOW THE GROUND SURFACE. REFERENCE MARK 1 IS A STANDARD DISK STAMPED RICH NO 1 1973, SET IN THE TOP OF A ROUND CONCRETE MONUMENT WHICH IS 12 INCHES IN DIAMETER AND FLUSH WITH THE GROUND SURFACE. IT IS 34 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF THE STORAGE BUILDING AND 1 FOOT NORTHEAST OF THE SOUTHWEST FENCE CORNER. REFERENCE MARK 2 IS A STANDARD DISK STAMPED RICH NO 2 1973, CEMENTED IN A DRILL HOLE IN THE SIDEWALK ALONG THE SOUTH SIDE OF THE OFFICE BUILDING. IT IS 18 FEET WEST OF THE EAST EDGE OF THE SIDEWALK, 8.8 FEET EAST OF THE WEST EDGE OF THE SIDEWALK AND 0.8 FOOT NORTH OF THE SOUTH EDGE OF THE SIDEWALK. REFERENCE MARK 3 IS A STANDARD DISK STAMPED RICH NO 3 1973, SET IN THE TOP OF A ROUND CONCRETE MONUMENT WHICH IS 12 INCHES IN DIAMETER AND PROJECTS ABOUT 3 INCHES ABOVE THE GROUND SURFACE. IT IS ABOUT 0.1 MILE NORTH OF NE 8TH ST AND 3.5 FEET WEST OF A METAL WITNESS POST. THE DISTANCE BETWEEN REFERENCE MARK 1 AND REFERENCE MARK 2 IS 115.79 FEET OR (35.293 METERS). TO REACH REFERENCE MARK 3 FROM THE STATION, CROSS NE 8TH ST AND GO NORTH ALONG A VACANT LOT FOR 0.15 MILE TO THE NORTH END OF A ROW OF TREES AND THE MARK. HEIGHT OF LIGHT ABOVE STATION MARK 34.6 METERS.
01/01/1983 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1983 (GCS) RICH 1973 RECOVERED GOOD. RECOVERED AS DESCRIBED. NOW BELLEVUE PARK DEPARTMENT FACILITY. IT IS AT 16023 NE 8TH ST. RM 1 RECOVERED GOOD. RM 2 RECOVERED GOOD. RM 3 COULD NOT LOCATE. THERE ARE THREE NEW BUILDINGS IN THE AREA AND CONSIDERABLE GRADING AND LAND SCAPING.
11/05/1996 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1996 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in December 1991.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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