ak-b-gfo201901_Horizontal_Alignment_DIV.pdf

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Attached to
AK BLM GFO 2019 (1) Sourdough Campground Bridge
Solicitation number
69056722B000023
Issued by

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This document contains a horizontal alignment review report and related federal contract opportunity. The horizontal alignment review report provides technical specifications for a roadway diversion project in Alaska, including stationing, coordinates, element types, radii, degrees of curvature, lengths, tangents, chords, and directions for a proposed realignment between Station 100+00.00 and 104+35.71. The related federal contract opportunity is solicitation number 69056722B000023 for bridge work at the Sourdough Campground in Alaska, issued by the Department of Transportation Federal Highway Administration as a full and open competitive procurement.

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PHYSICAL DATA

for

FEDERAL HIGHWAY ADMINISTRATION

WESTERN FEDERAL LANDS HIGHWAY DIVISION

PROJECT

AK BLM GFO 2019(1)

SOURDOUGH CAMPGROUND

BRIDGE

ROADWAY DIVERSION

HORIZONTAL ALIGNMENT

Station 100+00.00 to 104+35.71

Horizontal Alignment Review Report

Report Created: Monday, February 28, 2022 Time: 3:19:37 PM

Project: Default

Description:

File Name: c:\pw-work\d0532084\ak-b-gfo201901_DIV.dgn

Last Revised: 2/28/2022 15:15:54 Note: All units in this report are in feet unless specified otherwise.

Alignment Name: Diversion

Alignment Description:

Alignment Style: Alignment\Baseline

Station Northing Easting

Element: Circular

PC ( ) 10000.000 3116161.106 1722245.903

HPI ( ) 10029.042 3116153.411 1722217.899

CC ( ) 3116257.532 1722219.406

PT ( ) 10056.529 3116161.913 1722190.130

Radius: 100.000

Delta: 32.388° Right

Degree of Curvature (Arc): 57.296°

Length: 56.529

Tangent: 29.042

Chord: 55.779

Middle Ordinate: 3.968

External: 4.132

Back Tangent Direction: S74.635°W

Back Radial Direction: N15.365°W

Chord Direction: N89.171°W

Ahead Radial Direction: N17.023°E

Ahead Tangent Direction: N72.977°W

Element: Linear

PT ( ) 10056.529 3116161.913 1722190.130

PC ( ) 10114.805 3116178.974 1722134.407

Tangential Direction: N72.977°W

Tangential Length: 58.277

Element: Circular

PC ( ) 10114.805 3116178.974 1722134.407

HPI ( ) 10144.639 3116187.708 1722105.880

CC ( ) 3116083.355 1722105.131

PT ( ) 10172.791 3116179.385 1722077.231

Radius: 100.000

Page 1 of 3Horizontal Alignment Review Report

2/28/2022

Delta: 33.223° Left

Degree of Curvature (Arc): 57.296°

Length: 57.986

Tangent: 29.833

Chord: 57.177

Middle Ordinate: 4.174

External: 4.355

Back Tangent Direction: N72.977°W

Back Radial Direction: N17.023°E

Chord Direction: N89.588°W

Ahead Radial Direction: N16.200°W

Ahead Tangent Direction: S73.800°W

Element: Linear

PT ( ) 10172.791 3116179.385 1722077.231

PC ( ) 10270.008 3116152.262 1721983.874

Tangential Direction: S73.800°W

Tangential Length: 97.218

Element: Circular

PC ( ) 10270.008 3116152.262 1721983.874

HPI ( ) 10280.036 3116149.464 1721974.245

CC ( ) 3116056.232 1722011.773

PT ( ) 10289.996 3116144.810 1721965.363

Radius: 100.000

Delta: 11.452° Left

Degree of Curvature (Arc): 57.296°

Length: 19.988

Tangent: 10.027

Chord: 19.955

Middle Ordinate: 0.499

External: 0.501

Back Tangent Direction: S73.800°W

Back Radial Direction: N16.200°W

Chord Direction: S68.074°W

Ahead Radial Direction: N27.652°W

Ahead Tangent Direction: S62.348°W

Element: Linear

PT ( ) 10289.996 3116144.810 1721965.363

PC ( ) 10398.975 3116094.233 1721868.831

Tangential Direction: S62.348°W

Tangential Length: 108.979

Element: Circular

PC ( ) 10398.975 3116094.233 1721868.831

HPI ( ) 10419.692 3116084.618 1721850.481

CC ( ) 3116182.811 1721822.421

Page 2 of 3Horizontal Alignment Review Report

PT ( ) 10439.830 3116083.085 1721829.822

Radius: 100.000

Delta: 23.408° Right

Degree of Curvature (Arc): 57.296°

Length: 40.855

Tangent: 20.716

Chord: 40.571

Middle Ordinate: 2.079

External: 2.123

Back Tangent Direction: S62.348°W

Back Radial Direction: N27.652°W

Chord Direction: S74.052°W

Ahead Radial Direction: N4.244°W

Ahead Tangent Direction: S85.756°W

Page 3 of 3Horizontal Alignment Review Report

File details come from the government source that posted it. Updated .