or-ef-umpqu615-2022-2-1_4711-1.7_proposed-horizontal-alignment.pdf
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- 69056724B000023
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This document is a Horizontal Alignment Review Report for the Umpqua ERFO Repairs 2022 project (Site 4711-1.7), prepared for the Federal Highway Administration's Western Federal Lands Highway Division. The report details the precise geometric specifications of a road alignment, including station points, northing and easting coordinates, and various curved and linear elements. The alignment (named ALI_MAIN_4711) spans from station 200+00.00 to 204+64.71, featuring multiple circular and linear segments with specific radii, delta angles, curve lengths, and directional changes. The technical data includes precise measurements such as tangent lengths, chord directions, middle ordinates, and external measurements, providing a comprehensive technical overview of the proposed road horizontal alignment.
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PHYSICAL DATA
for
FEDERAL HIGHWAY ADMINISTRATION
WESTERN FEDERAL LANDS HIGHWAY DIVISION
Umpqua ERFO Repairs 2022
OR ERFO FS UMPQU 615‐2022‐2(1)
SITE 4711‐1.7
HORIZONTAL ALIGNMENT
Horizontal Alignment Review Report Report Created: Thursday, January 30, 2025
Time: 8:40:41 AM
Project: Design IntlFt Description:
File Name: c:\pw_work_wfl\d0620287\or-ef-umpqu615-2022-2-1_-4711-1.7_ali.dgn Last Revised: 1/30/2025 08:39:15
Note: All units in this report are in feet unless specified otherwise.
Alignment Name: ALI_MAIN_4711 Alignment Description:
Alignment Style: Alignment\Baseline Station Northing Easting
Element: Linear
START ( START ) 200+00.00 607576.962 4307151.471
PC ( PC ) 200+20.12 607556.974 4307153.808
Tangential Direction: S6.668°E
Tangential Length: 20.124
Element: Circular
PC ( PC ) 200+20.12 607556.974 4307153.808
HPI ( HPI ) 200+62.33 607515.056 4307158.709
CC ( CC ) 607522.138 4306855.837
PT ( PT ) 201+03.98 607473.412 4307151.854
Radius: 300.000 Delta: 16.016° Right
Degree of Curvature (Arc): 19.099° Length: 83.857
Tangent: 42.204 Chord: 83.584
Middle Ordinate: 2.925 External: 2.954
Back Tangent Direction: S6.668°E Back Radial Direction: S83.332°W
Chord Direction: S1.339°W Ahead Radial Direction: N80.653°W
Ahead Tangent Direction: S9.347°W
Element: Linear
PT ( PT ) 201+03.98 607473.412 4307151.854
PC ( PC ) 201+56.19 607421.893 4307143.374
Tangential Direction: S9.347°W Tangential Length: 52.213
Page 1 of 3Horizontal Alignment Review Report
1/30/2025
Element: Circular
PC ( PC ) 201+56.19 607421.893 4307143.374
HPI ( HPI ) 202+18.67 607360.250 4307133.227
CC ( CC ) 607395.906 4307301.249
PT ( PT ) 202+75.31 607308.040 4307167.535
Radius: 160.000 Delta: 42.657° Left
Degree of Curvature (Arc): 35.810° Length: 119.120
Tangent: 62.473 Chord: 116.388
Middle Ordinate: 10.958 External: 11.764
Back Tangent Direction: S9.347°W Back Radial Direction: N80.653°W
Chord Direction: S11.981°E Ahead Radial Direction: S56.690°W
Ahead Tangent Direction: S33.310°E
Element: Linear
PT ( PT ) 202+75.31 607308.040 4307167.535
PC ( PC ) 203+28.13 607263.903 4307196.538
Tangential Direction: S33.310°E Tangential Length: 52.814
Element: Circular
PC ( PC ) 203+28.13 607263.903 4307196.538
HPI ( HPI ) 203+70.86 607228.192 4307220.005
CC ( CC ) 607208.986 4307112.967
PT ( PT ) 204+08.89 607186.550 4307210.417
Radius: 100.000 Delta: 46.275° Right
Degree of Curvature (Arc): 57.296° Length: 80.765
Tangent: 42.731 Chord: 78.588
Middle Ordinate: 8.044 External: 8.747
Back Tangent Direction: S33.310°E Back Radial Direction: S56.690°W
Chord Direction: S10.172°E Ahead Radial Direction: N77.034°W
Ahead Tangent Direction: S12.966°W
Element: Linear
PT ( PT ) 204+08.89 607186.550 4307210.417
Page 2 of 3Horizontal Alignment Review Report
PC ( PC ) 204+28.48 607167.464 4307206.023
Tangential Direction: S12.966°W
Tangential Length: 19.585
Element: Circular
PC ( PC ) 204+28.48 607167.464 4307206.023
HPI ( HPI ) 204+41.90 607154.388 4307203.012
CC ( CC ) 607100.154 4307498.374
PT ( PT ) 204+55.30 607141.096 4307201.181
Radius: 300.000 Delta: 5.122° Left
Degree of Curvature (Arc): 19.099° Length: 26.817
Tangent: 13.418 Chord: 26.808
Middle Ordinate: 0.300 External: 0.300
Back Tangent Direction: S12.966°W Back Radial Direction: N77.034°W
Chord Direction: S10.405°W Ahead Radial Direction: N82.156°W
Ahead Tangent Direction: S7.844°W
Element: Linear
PT ( PT ) 204+55.30 607141.096 4307201.181
END ( END ) 204+64.71 607131.772 4307199.897
Tangential Direction: S7.844°W
Tangential Length: 9.413
Page 3 of 3Horizontal Alignment Review Report
File details come from the government source that posted it. Updated .