ak-r-kna7452501_proposed-alignment_01.pdf

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Attached to
AK FWS KNA 74525(1) Swan Lake Road Project
Solicitation number
69056723B000020
Issued by

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This document contains a horizontal alignment review report for the AK FWS KNA 74525(1) Swan Lake Road Project solicitation issued by the Department of Transportation Federal Highway Administration. The report provides technical details on the proposed road alignment, including stationing, bearings, radii, and element types for the linear and circular segments. Project details in the related solicitation include opportunities for design and construction of improvements to Swan Lake Road near Kenai, Alaska, with responses due by August 30, 2023 and award anticipated by September 15, 2023.

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Horizontal Alignment Review Report

Report Created: Thursday, August 10, 2023 Time: 12:42:09 PM

Project: Default

Description:

File Name: c:\pw-work\d0515948\ak-r-kenai7452501_ALI_01.dgn

Last Revised: 7/26/2023 16:23:13 Note: All units in this report are in feet unless specified otherwise.

Alignment Name: SITE_1

Alignment Description:

Alignment Style: Alignment\Baseline

Station Northing Easting

Element: Linear

START ( ) 100+00.00 2457262.814 1518517.175

PC ( ) 100+75.26 2457295.504 1518584.963

Tangential Direction: N64.255°E

Tangential Length: 75.259

Element: Circular

PC ( ) 100+75.26 2457295.504 1518584.963

HPI ( ) 101+40.63 2457323.897 1518643.842

CC ( ) 2455494.027 1519453.689

PT ( ) 102+05.95 2457348.385 1518704.450

Radius: 2000.000

Delta: 03°44'38.263" Right

Degree of Curvature (Arc): 02°51'53.240"

Length: 130.689

Tangent: 65.368

Chord: 130.666

Middle Ordinate: 1.067

External: 1.068

Back Tangent Direction: N64.255°E

Back Radial Direction: S25.745°E

Chord Direction: N66.127°E

Ahead Radial Direction: S22.001°E

Ahead Tangent Direction: N67.999°E

Element: Linear

PT ( ) 102+05.95 2457348.385 1518704.450

PC ( ) 102+98.64 2457383.111 1518790.397

Tangential Direction: N67.999°E

Tangential Length: 92.697

Element: Circular

Page 1 of 3Horizontal Alignment Review Report

PC ( ) 102+98.64 2457383.111 1518790.397

HPI ( ) 103+18.88 2457390.691 1518809.158

CC ( ) 2459237.468 1518041.158

PT ( ) 103+39.11 2457398.649 1518827.761

Radius: 2000.000

Delta: 01°09'33.451" Left

Degree of Curvature (Arc): 02°51'53.240"

Length: 40.467

Tangent: 20.234

Chord: 40.466

Middle Ordinate: 0.102

External: 0.102

Back Tangent Direction: N67.999°E

Back Radial Direction: S22.001°E

Chord Direction: N67.420°E

Ahead Radial Direction: S23.160°E

Ahead Tangent Direction: N66.840°E

Element: Linear

PT ( ) 103+39.11 2457398.649 1518827.761

PC ( ) 107+27.73 2457551.493 1519185.059

Tangential Direction: N66.840°E

Tangential Length: 388.617

Element: Circular

PC ( ) 107+27.73 2457551.493 1519185.059

HPI ( ) 107+63.67 2457565.629 1519218.106

CC ( ) 2455712.673 1519971.662

PT ( ) 107+99.61 2457578.569 1519251.639

Radius: 2000.000

Delta: 02°03'33.003" Right

Degree of Curvature (Arc): 02°51'53.240"

Length: 71.879

Tangent: 35.943

Chord: 71.875

Middle Ordinate: 0.323

External: 0.323

Back Tangent Direction: N66.840°E

Back Radial Direction: S23.160°E

Chord Direction: N67.870°E

Ahead Radial Direction: S21.101°E

Ahead Tangent Direction: N68.899°E

Element: Linear

PT ( ) 107+99.61 2457578.569 1519251.639

PC ( ) 110+13.48 2457655.565 1519451.168

Tangential Direction: N68.899°E

Tangential Length: 213.869

Page 2 of 3Horizontal Alignment Review Report

Element: Circular

PC ( ) 110+13.48 2457655.565 1519451.168

HPI ( ) 110+83.68 2457680.839 1519516.664

CC ( ) 2455136.605 1520423.199

PT ( ) 111+53.85 2457702.675 1519583.386

Radius: 2700.000

Delta: 02°58'43.977" Right

Degree of Curvature (Arc): 02°07'19.437"

Length: 140.377

Tangent: 70.204

Chord: 140.361

Middle Ordinate: 0.912

External: 0.913

Back Tangent Direction: N68.899°E

Back Radial Direction: S21.101°E

Chord Direction: N70.389°E

Ahead Radial Direction: S18.122°E

Ahead Tangent Direction: N71.878°E

Element: Linear

PT ( ) 111+53.85 2457702.675 1519583.386

END ( ) 112+00.16 2457717.080 1519627.400

Tangential Direction: N71.878°E

Tangential Length: 46.311

Page 3 of 3Horizontal Alignment Review Report

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