COMMONWEALTH OF PENNSYLVANIA
DEPARTMENT OF TRANSPORTATION
RECORD OF SURVEY CONTROL - HORIZONTAL
STATION NAME:
H102
PROJECT SR:
0453-002
COUNTY:
BLAIR
GENERAL INFORMATION
Tyrone, PA
Tyrone, PA
Locality:
USGS Quad Name:
PennDOT
2003
Established By:
Date Established:
PennDOT Disk set in Concrete Mon
“H102”
Type of Mark:
Stamping:
SPECIFICATIONS
GPS
First
Horizontal Control Derived By:
Horizontal Order Accuracy:
Differential
Third
Vertical Control Derived By:
Vertical Order Accuracy:
NAD83 (1992)
NAVD88
Horizontal Datum:
Vertical Datum:
HARN TIES
HARN Stations that derived this station’s original position: GOSPEL HILL RM 2, D 333 PADH, PSU1 CORS ARP
NGS VERTICAL TIES
NGS Benchmarks that derived this station’s original elevation: PTS 2 USGS, TYRONE 3, F 149
GEODETIC COORDINATES
242.85
Latitude:
Ellipsoidal Height (Meters):
40° 40’ 16.38830” N
796.8
Longitude:
Ellipsoidal Height (US FT):
78° 14’ 07.25750” W
GEOID99
Convergence:
NGS Geoid Model Type:
-0° 18’ 53.609”
PA STATE PLANE COORDINATES - SOUTH ZONE
148666.319 Northing (US FT):
487749.41 Grid Scale Factor:
0.99996689
Northing (Meters):
558964.373 Easting (US FT):
1833868.95 Elevation Scale Factor:
0.99996198
Easting (Meters):
275.909 Elevation (US FT):
905.21 Combined Scale Factor:
0.99992887
Elevation (Meters):
AZIMUTHS
H103
N/A
Companion Station:
Secondary Azimuth Mark :
N/A
Grid Azimuth:
Secondary
Grid
Azimuth:
146° 35’ 09”
334.875
Grid Distance (Meters):
Description:
1098.67
Grid Distance (US FT):
0.99992870
Combined Factor:
PennDOT Monument
Description:
REFERENCE TIES
Number
Type of Reference Mark
Meters
US FT
Concrete nail in 8” Oak Tree
24.99
81.99
1
Drill hole in light pole concrete base
25.42
83.39
2
Center punch in side of light pole. 4.2 feet above ground.
28.50
93.52
3
TO REACH DESCRIPTION & SKETCH
To reach the station from
Tyrone, begin at the
intersection of Pennsylvania
Avenue and SR 0453.
Proceed south on SR 0453
for 0.1 mile to the station on
left. Station is near the end
H102
of an off ramp for I-99 South.
Station is 12.4 feet from edge
of ramp.
I-99