mt-d-malm202301_DAR2023(1)_proposed-horizontal-alignment.pdf

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Attached to
MT DAR MALM 2023(1) Defense Access Roads FY 2023
Solicitation number
69056723B000007
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This document contains a proposed horizontal alignment for a federal highway project and the related federal contract opportunity. The proposed horizontal alignment provides technical specifications for Lower NiHill Road from station 97+89.995 to 163+76.135, including element types, stationing, northings, eastings, radii, degrees of curvature, lengths, tangents, and chord directions. The related federal contract opportunity is solicitation number 69056723B000007 for the MT DAR MALM 2023(1) Defense Access Roads FY 2023 project managed by the Department of Transportation Federal Highway Administration. No further details are provided on required products or services, pricing terms, or response dates.

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PHYSICAL DATA

for

FEDERAL HIGHWAY ADMINISTRATION

WESTERN FEDERAL LANDS HIGHWAY DIVISION

PROJECT

MT DAR MALM 2023(1)

Defense Access Roads FY2023

HORIZONTAL ALIGNMENT

DATA LISTING

LOWER NIHILL RD

97+89.995 to 163+76.135

Horizontal Alignment Review Report

Report Created: Thursday, March 23, 2023 Time: 7:19:55 PM

Project: 2D Design IntlFt

Description:

File Name:

F:\highways\FHWA\22500007_mt-d-malm202301_DAR2023\DGN\mt-d-malm202301ha01.dgn

Last Revised:

3/23/2023 19:16:58

Note: All units in this report are in feet unless specified otherwise.

Alignment Name: Lower NiHill Rd

Alignment Description:

Alignment Style: Alignment\Baseline

Station Northing Easting

Element: Linear

START ( ) 9789.995 816736.113 1902242.393

PC ( ) 10425.547 816736.934 1902877.945

Tangential Direction: N89.926°E

Tangential Length: 635.552

Element: Circular

PC ( ) 10425.547 816736.934 1902877.945

HPI ( ) 11693.135 816738.571 1904145.532

CC ( ) 316737.350 1903523.657

PT ( ) 12960.718 816733.780 1905413.111

Radius: 500000.000

Delta: 0.291° Right

Degree of Curvature (Arc): 0.011°

Length: 2535.171

Tangent: 1267.588

Chord: 2535.168

Middle Ordinate: 1.607

External: 1.607

Back Tangent Direction: N89.926°E

Back Radial Direction: S0.074°E

Chord Direction: S89.929°E

Ahead Radial Direction: S0.217°W

Ahead Tangent Direction: S89.783°E

Element: Linear

PT ( ) 12960.718 816733.780 1905413.111

PC ( ) 14389.079 816728.383 1906841.462

Tangential Direction: S89.783°E

Tangential Length: 1428.361

Page 1 of 3Horizontal Alignment Review Report

3/23/2023

Element: Circular

PC ( ) 14389.079 816728.383 1906841.462

HPI ( ) 14513.293 816727.913 1906965.675

CC ( ) 846728.169 1906954.829

PT ( ) 14637.506 816728.473 1907089.888

Radius: 30000.000

Delta: 0.474° Left

Degree of Curvature (Arc): 0.191°

Length: 248.427

Tangent: 124.214

Chord: 248.426

Middle Ordinate: 0.257

External: 0.257

Back Tangent Direction: S89.783°E

Back Radial Direction: S0.217°W

Chord Direction: N89.979°E

Ahead Radial Direction: S0.258°E

Ahead Tangent Direction: N89.742°E

Element: Linear

PT ( ) 14637.506 816728.473 1907089.888

PC ( ) 14794.424 816729.179 1907246.805

Tangential Direction: N89.742°E

Tangential Length: 156.918

Element: Circular

PC ( ) 14794.424 816729.179 1907246.805

HPI ( ) 14906.373 816729.683 1907358.752

CC ( ) 786729.483 1907381.864

PT ( ) 15018.320 816729.352 1907470.700

Radius: 30000.000

Delta: 0.428° Right

Degree of Curvature (Arc): 0.191°

Length: 223.896

Tangent: 111.949

Chord: 223.896

Middle Ordinate: 0.209

External: 0.209

Back Tangent Direction: N89.742°E

Back Radial Direction: S0.258°E

Chord Direction: N89.956°E

Ahead Radial Direction: S0.170°W

Ahead Tangent Direction: S89.830°E

Element: Linear

PT ( ) 15018.320 816729.352 1907470.700

END ( ) 16376.135 816725.331 1908828.508

Page 2 of 3Horizontal Alignment Review Report

Tangential Direction: S89.830°E

Tangential Length: 1357.814

Page 3 of 3Horizontal Alignment Review Report

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