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Details for Benchmark: LW5583

N 41° 29.767 W 071° 34.117 (NAD 83)

Altitude: 118

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

Location:
In WASHINGTON county, RI View Original Datasheet
Designation:
WAITE AZ MK
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Documented History (by the NGS)

01/01/1987 by RIGS (MONUMENTED)
DESCRIBED BY RHODE ISLAND GEODETIC SURVEY 1987 THE STATION IS LOCATED ABOUT 4.32 KM (2.70 MI) NORTHWEST OF KINGSTON CENTER. OWNERSHIP--STATE RIGHT OF WAY, RHODE ISLAND GEODETIC SURVEY,401 277-2814. TO REACH FROM THE INTERSECTION OF STATE HIGHWAYS 2 AND 138, GO 0.64 KM (0.40 MI) NORTH ON HIGHWAY 2 TO THE STATION ON THE LEFT AT BARBER POND ROAD. THE STATION IS A STANDARD RIGS DISK STAMPED WAITE AZI SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 30 CM IN DIAMETER FLUSH WITH THE GROUND. IT IS 15.65 M (51.3 FT) NORTH FROM THE CENTERLINE OF HIGHWAY 2, 6.5 M (21.3 FT) WEST FROM THE CENTERLINE OF BARBER POND ROAD, 2.5 M (8.2 FT) NORTH NORTHEAST FROM AN NECO POLE 2858, 0.65 M (2.1 FT) EAST-SOUTHEAST FROM A FIBERGLASS WITNESS POST. NOTE- ORIGINALLY WAITE AZ WAS MONUMENTED WITH AN IRON REBAR. THE REBAR WAS REMOVED AND A RIGS DISK WAS SET IN THE SAME LOCATION AS THE REBAR.
07/14/1989 by (GOOD)
RECOVERED 1989 RECOVERED IN GOOD CONDITION.
10/01/1997 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1997 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in August 1998.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The X, Y, and Z were computed from the position and the ellipsoidal ht.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
  • The geoid height was determined by GEOID99.